method for determining timing advance grouping and base station device

专利摘要:
METHOD FOR DETERMINING GROUPING OF ADVANCE TIMING AND BASE STATION DEVICE.The embodiments of the present invention provide a method, device and system for determining timing advance grouping, and relate to the communications field, method, device and system for determining timing advance grouping. The solution is: to add, through a base station (eNóB), a component carrier (CC) to a user equipment (UE); in accordance with the timing advance group (TA) information obtained or a predetermined rule, determine a group of TA to which the CC belongs, where the group of TC is a set of CCs that can share a TA; and send identifying information that identifies the TA group to the UE. The modalities of the present invention are used to determine TA pooling when eNodeB adds CC to the UE.
公开号:BR112012017301A2
申请号:R112012017301-4
申请日:2011-01-12
公开日:2020-08-25
发明作者:Yi Jiang；Yajuan LI；Boyun XIE；Yi Guo；Pingping Xing；Zhongbin Qin；Yinghui Yu；Junren Chang；Mingzeng Dai；Guanglin HAN；Wei Quan；Jian Zhang；Qiao Zhang
申请人:Huawei Technologies Co., Ltd.；
IPC主号:

专利说明:

Invention Patent Descriptive Report for "METHOD FOR DETERMINING GROUPING OF TIME ADVANCEMENT AND BASE STATION DEVICE".
Field of the invention The present invention relates to the field of communications and, in particular, to a technology for determining timing advance grouping.
Background of the invention In a communication system, to ensure that the uplink signals sent by all UEs (User Equipment, user equipment) that are provided by a base station can synchronously reach the base station, which is described in this order document using an evolved Node (eNÓB) as an example, and in an uplink transmission process, eNÓB adjusts the TA (Timing Advance) values for the UEs of according to the conditions of deviation of the uplink signals.
In a system that brings in a CA resource (Carrier Aggregation, carrier aggregation), a UE can communicate with an eNodeB through multiple CCs (Component Carrier, component carrier) on an uplink and a downlink, respectively. For a UE, if the eNÓóB considers that these CCs can share a value of TA, that is, the eNóB adjusts the value of TA just referring to any of the signals of uplink transmission in those CCs; the TA value can be used by these CCs, and these CCs are considered to belong to a group of ATs. In common circumstances, if one or several specific CCs within those CCs perform signal amplification when passing through a selective frequency repeater (Repeater) of a given frequency, while another among one or more CCs does not pass through a repeater to signal amplification or perform signal amplification when they pass through a frequency selective repeater of another determined frequency, and when the UE is within the coverage of one of the repeaters or is within the coverage of two repeaters.
res, respectively, the TA values of these CCs cannot be shared, that is, these CCs do not belong to the same group of AT. While all these CCs do not pass through a repeater for amplification or they perform signal amplification when they pass through selective frequency repeaters of the same frequency, it can be considered that these CCs can share the same TA value, that is, the CCs belong to the same TA group.
For the UE and the eNÓóB that support the CA, when the UE enters a connection state, and the eNóB decides to allocate more CCs to the UE, a RRC connection reconfiguration message (Radio Resource Control). radio) is used to add one or multiple CCs to the UE, and information on related CC attributes is provided in the message. When the eNóB decides to add one or multiple CCs to the UE, the UE is asked to perform a random access process on a CC every time the CC is added, so that the eNÓóB judges whether the CC can share a value of TA with at least one CC of the current communication.
The inventor finds that, in the prior art, whenever the CC is added, frequent random access can be caused, which causes interference in the random access resources, thus increasing the probability of conflict in the access process. random.
Summary of the invention The present invention provides a method, a device and a system for determining the timing advance grouping, which - can reduce the random access times and decrease the likelihood of conflict of a random access process.
In one aspect, the present invention provides a method for determining the timing advance grouping, wherein the method includes: adding, by a base station (eNodeB), a component carrier (CC) to a user equipment (HUH); according to information obtained from the timing advance group (TA) or a predetermined rule, determine a group of TA to which a CC belongs, where the group of TA is a set of CCs that can share a TA ; and send identifying information that identifies the TA group to the UE.
In another aspect, the present invention provides a base station device, which includes: an addition unit, configured to add a component carrier (CC) to user equipment (UE); a unit of determination, configured to, when the addition unit adds CC to the UE, according to information obtained from the timing advance group (TA) obtained or with a predetermined rule, to determine a group of TA to which a CC belongs, where the TA group is a set of CCs that can share a TA; and a sending unit, configured to send identifying information that identifies the TA group to the UE.
In yet another aspect, the present invention provides a user equipment, which includes: a receiving unit, configured —to receive information that is sent by an eNÓB and is used to query the TAs of CCs, to receive information that is sent by a network management center through data from a data plan and are used to query TAs from CCs, and receive identification information from a group of TAs, where identification information is sent by eNóB; and a sending unit, configured to send a query result to eNÓB, and send the query result to the network management center through a data carrier.
In yet another aspect, the present invention additionally provides a network management center device, which includes: a sending unit, configured to send information to query TAS from CCs to a UE through data from a data plan, and send TA group information to an eNÓóB; a receiving unit, configured to receive a query result that is reported by the UE through a data carrier; and a grouping unit, configured to perform TA group grouping according to the query result, in which CCs with a TA that is in a range defined by a third limit and a fourth limit are grouped into a TA group .
In yet another aspect, the present invention further provides a communication system, which includes: at least one device from the preceding base station device, user equipment, and network management center device, Modalities of the present invention they provide the method, the device, and the system for determining the timing advance grouping. When adding the CC to the UE, according to the AT group information obtained or the predetermined rule, the eNÓóB can determine the AT group to which a CC belongs, thereby avoiding the case in which the eNóÓB frequently triggers the random access process due to the uncertainty about the TA group of CC added in the prior art. In this way, the use of random access resources is reduced, the probability of conflict in the random access process is reduced, and the performance of the system is improved.
Brief description of the drawings In order to describe the technical solutions in the modalities of the present invention or in the prior art more clearly, the attached drawings necessary to describe the modalities or the prior art are briefly introduced below. Apparently, the description of the attached drawings below are merely some embodiments of the present invention. People with common skill in the technique can still derive other designs based on these attached designs without creative efforts.
Figure 1 is a block diagram of a method for determining the timing advance grouping according to a mode of the present invention; figure 2 is a first schematic diagram of a method for determining the timing advance grouping according to an embodiment of the present invention; figure 3 is a second schematic diagram of a method for determining the timing advance grouping according to an embodiment of the present invention;
figure 4 is a third schematic diagram of a method for determining the timing advance grouping according to an embodiment of the present invention;
figure 5 is a fourth schematic diagram of a method for
to determine the timing advance grouping according to an embodiment of the present invention;
figure 6 is a fifth schematic diagram of a method for determining the timing advance grouping according to an embodiment of the present invention;
Figure 7 is a sixth schematic diagram of a method for determining the timing advance grouping according to an embodiment of the present invention;
figure 8 is a seventh schematic diagram of a method for determining the timing advance grouping according to an embodiment of the present invention;
Figure 9 is an eighth schematic diagram of a method for determining the timing advance grouping according to an embodiment of the present invention;
figure 10 is a ninth schematic diagram of a method for
to determine the timing advance grouping according to an embodiment of the present invention;
Figure 11 is a schematic diagram of an extended TA Command MAC CE format according to an embodiment of the present invention;
figure 12 is a first structural block diagram of an eNÓB device according to an embodiment of the present invention;
figure 13 is a second structural block diagram of an eNÓB device according to an embodiment of the present invention;
figure 14 is a first structural block diagram of a user equipment according to an embodiment of the present invention;
figure 15 is a second structural block diagram of a user equipment according to an embodiment of the present invention; figure 16 is a structural block diagram of a network management center device according to an embodiment of the present invention; Detailed description of the modalities The technical solutions in the modalities of the present invention are clearly and completely described below with reference to the drawings attached in the modalities of the present invention. Apparently, the modalities to be described are only the modalities part instead of all the modalities of the present invention. Based on the modalities of this invention, all other modalities obtained by people with common skill in the technique without creative efforts will be within the scope of protection of the present invention.
Mode 1 A mode of the present invention provides a method for determining the timing advance grouping, as shown in figure 1, wherein the method includes the following content.
S101: A base station (eNodeB) adds a component carrier (CC) to user equipment (UE).
S102: According to timing advance group (TA) information obtained or a predetermined rule, determine a group of AT to which a CC belongs, where the group of AT is a set of CCs that can share a OK.
Specifically, the eNÓóB can obtain the previous TA group information through the UE or a network management center, and can also judge the TA group according to a rule that is predetermined by a corresponding band and a repeater .
S103: Send identification information that identifies the preceding EU group.
The embodiment of the present invention provides the method for determining the timing advance grouping. After adding the CC to the UE, according to the obtained TA group information or a predetermined rule, the eNÓB can determine the TA group to which a CC belongs, thus avoiding the case in which the eNóB frequently triggers a random access process due to the uncertainty about the group of TAda CC added in the prior art. In this way, the use of random access resources is reduced, the likelihood of conflict in the random access process is decreased, and system performance is improved.
Mode 2 A mode of the present invention provides a method for determining the timing advance grouping, as shown in figure 2, wherein the method includes the following content.
S201: An eNÓB adds an upstream link CC carrier to a UE, and judges whether the added CC and a CC that is currently configured by eNÓB belong to the same band (Band); if they belong to the same band, the added CC is considered to belong to a TA group that corresponds to the band, and an identifier of the TA group is allocated to the CC; otherwise, a new TA group identifier is allocated to the added CC. The so-called TA group is a set of CCs that can share a TA.
It should be noted that, here, the TA group identifier that is referred to is identification information that is used to identify a TA group, where the TA group identifier can be a displayed TA group number, and it can also be a particular CC number in the TA group, and so on.
A group identifier is allocated to the added CC. Optionally, if the eNÓóB can obtain information on the configuration attributes of a repeater (Repeater) that belongs to it, the eNóB can also judge the TA group referring to the information.
If one or multiple repeaters are deployed under an eNóB, the —eNóÓB judges the TA group according to the attributes of the repeaters. For example, if eNÓB knows that the repeater that belongs to it amplifies only one band 1, it can be considered that the CCs under a band 1 can
share a value of TA and belong to a TA group and that CCs under other bands that are not configured with repeaters belong to a TA group; if eNÓóB knows that a repeater 1 that belongs to it amplifies band 1 and a repeater 2 amplifies band 2, it is considered that band 1 and band 2 belong to respective groups of TA, and that CCs under other bands that are not configured with repeaters belong to a TA group; if eNÓB knows that a repeater that belongs to it amplifies band 1 and band 2 at the same time, band 1 and band 2 are considered to belong to a group of AT, and that CCs under other bands that are not configured with repeaters belong to a TA group.
Additionally, if eNÓB can find out the case of processing delay of a repeater belonging to eNóB, eNÓB can also judge the TA group according to the case of processing delay. For example, if the processing delay of the repeater is less than a defined limit, it can be considered that the DC that does not pass through the repeater and the DC that passes through the repeater can share a value of TA. And, it can be considered that all CCs belong to a TA group, and the same new TA group identifier is allocated. The processing delay information from the preceding repeater is optionally applied in the preceding method to determine the TA group.
Optionally, in the preceding method for judging the AT group, the judgment can also be performed using a CC as a size, that is, each CC is considered to belong to a group of AT; and a CC is also used as a size when the repeater attribute information is referred to. For example, if eNóB knows that a repeater that belongs to it amplifies only one CC1, it can be considered that CC1 belongs to a group of AT and that other CCs that are not configured with repeaters belong to a group of TA; if eNÓóB knows that a repeater 1 that belongs to it amplifies a CC1 and a repeater 2 amplifies a CC2, it is considered that CC1 and CC2 belong to respective groups of AT, and that other CCs that are not configured with repetition -
pain belong to a group of AT; if eNÓóB knows that a repeater that belongs to it amplifies a CC1 and a CC2 at the same time, it is considered that CC1 and CC2 belong to a group of TA, and that other CCs that are not configured with repeaters belong to to a group of
TA Additionally, if the eNÓóB can find out the case of a processing delay from a repeater belonging to the eNóB, the eNÓóB can also judge the TA group according to the case of the processing delay. For example, if the processing delay of the repeater is less than a defined limit, it can be considered that the DC that does not pass through the repeater and the DC that passes through the repeater can share a value of TA. And, it can be considered that all CCs belong to a TA group, and the same new TA group identifier is allocated. The processing delay information from the preceding repeater is optionally applied in the preceding method to determine the TA group.
S202: eNóÓB sends the TA group identifier to the UE. Specifically, the eNÓB can send a RRC connection reconfiguration message to the UE, and in the RRC connection reconfiguration message, the TA group identifier is sent as a CCaoUE attribution parameter.
The embodiment of the present invention provides the method for determining the timing advance grouping. When adding the CC to the UE, according to a predetermined band judgment rule, the eNóB can determine the group of AT to which a CC belongs, thereby avoiding the case where the eNóB often triggers a random access process due to the uncertainty about the TA group of CC added in the prior art. In this way, the use of random access resources is reduced, the probability of conflict of the random access process is reduced, and the performance of the system is improved.
Mode 3 A mode of the present invention provides a method for determining the timing advance grouping, as shown in figure 3, wherein the method includes the following content. S301: An eNÓB activates, according to the needs, consulting the TA configuration information of all CCs in the eNóB. The activation conditions of the eNÓóB can be: activation - human, or the eNóB obtains a change of TA Information between CCs, for example, a difference in TA between two CCs exceeds a defined range, detecting uplink information of UE in eNóB coverage, as a channel quality indicator (Channel Quality Indicator, CQI), an audible reference signal (Sounding Reference Signal, SRS), and so on.
In addition, a TA query command must include the information necessary to report TAs from CCs.
S302: eNÓB sends information to consult CC TAs to the UE.
The information can be an RRC message like a UE information request message (UE Information Request), and it can also be a MAC of Medium Access Control Control Element (MAC). It should be noted that the name of the message is a name used only for convenience of description, and the name cannot limit the scope of the application of the modality of the present invention, that is, there cannot be a similar name in some systems. determined themes, but from that it cannot be considered that the technical solutions in the modality of the present invention cannot be applied to these systems.
The message can be an explicit query command, for example, asking the UE to report a TA value for each CC, and it can also be an implicit query command, for example, asking the UE to start a random access process in each CC.
S $ 303: The UE receives the TA query command and performs the - query, and reports a query result to the eNÓB.
Specifically, after receiving the TA query command that is sent by the eNodeB, the UE starts random access on the requested CCs.
das, and selects a preamble of random access (preamble) in each CC, and the eNÓB detects the value of TA through the preamble of random access that is carried by the UE; or, after the UE receives the eNóB query command, the UE decides the TAs of different CCs by detecting a DL reference signal, and reports the TAs to the eNÓB.
The UE obtains the TA values of different CCs through the process of random access or downlink detection, and then reports the result of the query to the eNÓóB via the RRC message as a UE information response (UE Information Response) or the MAC CE. It should be noted that the name of the message is a name used only for convenience of description, and that name cannot limit the scope of the application of the modality of the present invention, that is, there cannot be a similar name in some determined systems, but from that it cannot be considered that technical solutions in the form of the present invention cannot be applied to these systems.
S304: eNóÓB performs TA group grouping according to the consultation result reported by the UE.
Specifically, if TAs of CCs reported by UEs in different positions in the eNÓB coverage are all within a defined numerical range, the eNÓóB can consider that these CCs may belong to a group of TAs, that is, CCs with TAs in a defined range by a first limit and a second limit they can be grouped into a group of AT; otherwise, these CCs are considered not to belong to an AT group.
S305: eNÓóB adds a CC to the UE, according to the TA group information obtained in step S304, the eNÓB determines a TA group identifier of the CC to be added, and in a reconfiguration message. RRC connection, the eNodeB sends the TA group identifier as a CC attribute parameter to the UE. It should be noted that, here, the TA group identifier that is referred to may be a displayed TA group number, and may also be a particular CC number in the TA group.
The embodiment of the present invention provides the method for
finish timing advance grouping.
When adding the CC to the UE, according to the TA group information obtained, the eNÓB can determine the TA group to which a CC belongs, thus avoiding the case in which the eNóB frequently triggers a random access process. - thorium due to uncertainty about the TA group of CC added in the prior art.
In this way, the use of random access resources is reduced, the likelihood of conflict in the random access process is decreased, and system performance is improved.
Mode 4 A mode of the present invention provides a method for determining the timing advance grouping, as shown in figure 4, wherein the method includes the following content.
S401: A network management center sends information to query CC TAs to a UE using data from a data plan.
S402: An upper layer of the UE analyzes a carrier of the data plane.
Specifically, after receiving an instruction from the upper layer (an application layer), a lower layer (a MAC layer) of the UE initiates random access on the requested CCs to obtain different TA values; or after a lower layer (a physical layer) of the UE receives an instruction from the upper layer, the UE decides the TAs of different CCs by detecting a DL reference signal.
The lower layer (the physical layer or the MAC layer) of the UE reports the TA information collected to the upper layer (the application layer). S403: The UE reports a result of consulting the network management center through a data carrier.
S404: The network management center performs grouping of AC according to the result of consultation reported by the UE.
Specifically, if the TAs of CCs that are reported by UEs in different positions in the CA are all within a defined numerical range, the network management center may consider that these CCs may belong to a group of TAs, that is, CCs with TAs in a range defined by a third limit and a fourth limit are grouped into an AT group; otherwise, it is considered that these CCs do not belong to a group ofTA.
S405: The network management center sends TA cluster configuration information to eNóÓB, and sends TA cluster information in the network management center coverage to eNóB.
Optionally, before the network management center sends information to the eNÓóB, the eNÓóB can also send a configuration request message to the network management center to request that the network management center configure the group information from TA to eNÓóB. It should be noted that, here, the name of the message mentioned is a name used only for convenience of description, and that name cannot limit the scope of the application of the modality of the present invention, that is, there cannot be a similar name in some determined systems, but from that it cannot be considered that the technical solutions in the modality of the present invention cannot be applied to those systems.
S406: eNÓB adds a CC to the UE, according to the TA grouping information obtained in step S405, eNÓóB determines a TA group identifier of the CC to be added and, in a reconfiguration message of RRC connection, eNÓB sends the TA group identifier as a CC attribute parameter to the UE. It should be noted that, here, the TA group identifier that is referred to may be a displayed TA group number, and may also be a particular CC number in the TA group.
The embodiment of the present invention provides the method for determining the timing advance grouping. When adding the CC to the EU, according to the TA group information obtained, the eNÓB can determine the TA group to which a CC belongs, avoiding, in this way, the case in which the eNóB frequently triggers a process random access due to uncertainty about the TA group of CC added in the prior art. In this way, the use of random access resources is reduced, the probability of conflict in the random access process is reduced, and the system performance is improved. Mode 5 A mode of the present invention provides a method for determining the timing advance grouping, as shown in figure 5, in which the method includes the following content.
S501: A UE receives system broadcast information, and obtains all CC configuration information under an eNodeB or a cell to which the UE belongs.
S502: After a connection is established between the UE and the eNóÓB, the UE receives synchronization signals from each downlink CC, and judges whether the corresponding uplink CCs can share the same TA adjustment value by judging deviations between synchronizations of each downlink CC.
Specifically, it can be considered that CCs that belong to the same band can share the same TA. Therefore, the UE selects a downlink CC from different bands respectively, and makes the comparison in pairs to make the judgment of sharing a TA.
Optionally, the UE can also monitor the synchronizations of downlink CCs that correspond to all uplink CCs, and make the comparison in pairs.
S503: The UE reports a measurement report to the eNóÓB, that is, the UE reports time deviations between the synchronizations of the downlink CCs to the eNóB through a synchronization report message. The synchronization reporting message specifically used by the UE can be a new RRC message or an information element added to an existing RRC message, and it can also be a new MAC EC. The message name is a name used only for convenience of description, and that name cannot limit the scope of the
of the present invention, that is, there cannot be a similar name in some determined systems, but from that it cannot be considered that technical solutions in the modality of the present invention cannot be applied to those systems.
S504: eNóB adds a CC to the UE; eNodeB refers to a UE measurement report result to determine a TA group identifier from the added CC, the CCs of the groups with synchronization time deviations in the range defined by a fifth limit and a sixth limit in a group of TA, and sends the TA group identifier as a CC attribute parameter to the UE via an RRC connection reconfiguration message.
It should be noted that, here, the TA group identifier that is referred to may be a displayed TA group number, and may also be a particular CC number in the TA group.
The embodiment of the present invention provides the method for determining the timing advance grouping. When adding the CC to the UE, according to a known measurement report that is related to the TA group information, the eNÓB can determine the TA group to which a CC belongs, thereby avoiding the case in which the eNóB often triggers a random access process due to the uncertainty about the TA group of CC added in the prior art. In this way, the use of random access resources is reduced, the likelihood of conflict in the random access process is decreased, and system performance is improved.
Mode 6 A mode of the present invention provides a method for determining the timing advance grouping, as shown in figure 6, wherein the method includes the following content.
S601: An eNÓB adds CCs to a UE, the eNóB first, respectively, judges whether each CC added and a CC that is currently configured for the UE by eNÓB belong to the same TA group, and sends a message reconfiguration of RRC connection to UE.
Specifically, if an added CC and a particular CC that is currently configured belong to the same band, it is considered that the CC and the CC that currently belong to the same band can share the same TA, and they belong to the same TA group. , A TA group identifier is allocated to the CC, and the TA group identifier is sent as a CC attribute parameter to the UE via the RRC connection reset message. It should be noted that, here, the TA group identifier that is referred to may be a displayed TA group number, and may also be a particular CC number in the TA group. If the added CC and the particular CC that is currently configured do not belong to the same band, the eNÓB allows the RRC connection reconfiguration message not to carry a TA group identifier that corresponds to the CC. Optionally, eNÓóB can allocate a preamble (Preamble) or PRACH resources (physical random access channel) in CC to the EU. Optionally, the eNóB can also not judge whether the added CC and the CC that is currently configured belong to the same TA group, and then the eNÓB allows the RRC connection reconfiguration message to not carry a group identifier. of TA that corresponds to the CC. Optionally, the eNÓB can allocate a preamble (Preamble) or PRACH resources (physical random access channel) in the CC to the UE. S602: After receiving the RRN connection reconnect message from the eNÓB, the UE judges, respectively, the attribute information of each CC that is recently configured by a group of identifier of
TA If the added CC carries the identifier, the identifier is stored as CC configuration information. If the added CC does not carry the identifier, according to the time deviations between the downlink synchronizations of the downlink CCs that correspond to the added CC, the UE determines whether the added CC belongs to the currently existing TA group. Specifically, the UE can respectively compare the time deviation between the downlink synchronization of the downlink DC that corresponds to the added DC and the downlink synchronization of the downlink DC that correspond to any selected CC in each group of TA that currently exists; if the deviation value reaches a pre-established limit, it is considered that the added WC does not belong to the TA group that the compared WC belongs to; otherwise, it is considered to belong to the AT group. Subsequently, if the added CC does not belong to any AT group that currently exists, the UE initiates a random access process added to the eNÓóB. Specifically, if eNÓB allocates dedicated PRACH resources and the Preamble to the CC, the UE performs non-competitive random access; otherwise, the UE performs competitive random access. If the added CC belongs to a certain current TA group, the UE sends to the eNÓB identification information of the TA group to which the CC belongs. Specifically in an RRC connection reconfiguration completion message, the eNÓB can be notified of the TA group identifier to which the CC belongs. It should be noted that, in this document, the TA identifier group which is termed as being a displayed TA group number and may also be a particular CC number in the TA group. Optionally, the UE can also only notify eENÓB that the CC can share the same TA value with the CC that is currently configured, but does not report the group identifier to eNóB.
Optionally, after finishing sending the RRC connection reconfiguration completion message, the UE can also report the information to the eNodeB via other new RRC messages or an element of information added in the existing RRC message or a new one MAC CE. The message name is a name used only for convenience of description and that name cannot limit the scope of the patent application for the modality of the present invention, that is, there may be no similar name in some determined systems, but from from this it could not be considered that the solutions of the technique in the modality of the present invention cannot be applied to these systems. S603: eNÓB performs a corresponding operation according to different information that is received. Specifically, when the eNóB detects in the corresponding CC the random access process that is initiated by the UE, the eNÓB adjusts the TA value of the added CC through a RAR message (Random Access Response, random access response) and allocate a new corresponding TA identifier group for the CC added via an RRC connection reconnect message or a new MAC CE. It should be noted that in this document the TA identifier group which is termed as being a displayed TA group number and may also be a particular CC number in the TA group. Additionally, in the present document, the mentioned message name is a name used only for convenience of description and that name cannot limit the scope of the patent application for the modality of the present invention, that is, there may be no similar name in some determined systems, but from that it could not be considered that the solutions of the technique in the modality of the present invention cannot be applied to those systems.
When the eNóB receives the confirmation message from the RRC connection reconfiguration or other added messages or the information element added in the existing message, the eNÓB stores the TA identifier group corresponding to the CC.
The embodiment of the present invention provides the method for determining the timing advance grouping. When CC is added to the UE, according to the group of known AT information, eNóB can determine the AT group to which the CC belongs and thus avoid the case where eNóB frequently triggers an access process. - they are random due to the uncertainty about the TA group of CC added in the prior art; when the eNÓB cannot determine the TA pool, the UE can also assist in determining the TA pool. In this way, the use of random access resources is reduced, the possibility of conflict in the random access process is reduced and the system performance is improved.
Mode 7 A mode of the present invention provides a method for determining timing advance grouping, as shown in figure 7 where the method includes the following content.
S701: An eNÓB adds CCs to a UE; eNóB judges first whether each added CC and a CC that is currently configured for the UE by eNÓB belong to the same TA group and sends a RRC connection reconnection message to the UE.
Specifically, if an added CC and a determined CC that is currently configured belong to the same band, it is considered that the CC and the CC that currently belongs to the same band can share the same TA and they belong to the same TA group. A TA group identifier is allocated to the CC and the TA group identifier is sent as a CC attribute parameter to the UE via the RRC connection reconnection message. It should be noted that in this document the TA group identifier which is termed as being a displayed TA group number and may also be a particular CC number in the TA group. If the added CC and the determined CC that is currently configured do not belong to the same band, eNÓóB enables the RRC connection reconnection message to not carry a TA identifier group that corresponds to the CC.
Optionally, the eNÓóB may also not judge whether the added CC and the CC that is currently configured belong to the same TA group and then the eNóB enables the RRC connection reconnection message to not carry the TA identifier group that corresponds to the CC.
S702: After receiving the RRN connection reconnection message from the eNÓB, the UE judges, respectively, whether the attribute information of each CC that is recently configured bears a TA identifier group.
Specifically, if the CC added to the identifier port, the identifier stores the configuration information of the CC. If the added CC does not carry the identifier, according to the time deviations between the downlink synchronizations of the downlink CCs that correspond to the added CC, the UE determines whether the added CC belongs to the TA group. that currently exists. Specifically, the UE can respectively compare the time deviation between the downlink synchronization of the downlink DC that corresponds to the added DC and the downlink synchronization of the downlink DC that correspond to any selected CC in each group of There is currently; if the deviation value reaches a pre-established limit, it is considered that the added WC does not belong to the TA group that the compared WC belongs to; otherwise, it is considered that it belongs to the AT group. Subsequently, if the added CC does not belong to any —TaA group that currently exists, the UE initiates a random access process on a given CC that is currently configured and notifies the eNode of all added CC identifiers that do not belong to any current TA group; if the added CC belongs to a certain current TA group, the UE notifies in an RRC connection reconfiguration finalizing message, the TA group identifier eNodeB that the added CC is. It should be noted that in this document the TA identifier group which is termed as being a displayed TA group number and may also be a particular CC number in the TA group. Optionally, the UE can also only notify the eNodeB that the CC can share the same TA value with the CC that is currently configured, but does not report the group identifier to the eNodeB.
Optionally, after finishing sending the RRC connection reconnection message, the UE can also report the information to the eNÓB via other new RRC messages or an element of information added in the existing RRC message or a new one MAC CE. The message name is a name used only for convenience of description and that name cannot limit the scope of the patent application for the modality of the present invention, that is, there may be no similar name in some determined systems, but from from this it could not be considered that the solutions of the technique in the modality of the present invention cannot be applied to these systems.
S703: eNÓB performs a corresponding operation according to the different information that is received.
Specifically, when eNÓóB detects in the CC that the random access process that is initiated by the UE is configured, the eNÓóB sends the physical random access channel resource information and the preamble that are used by all added CCs to UE. they do not belong to any current TA group.
Specifically, a PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) order message can be sent to the UE where the message includes the Preamble and the PRACH resource information that is allocated to the UE by eNóB and are used in the added CC.
And a corresponding new TA identifier group is allocated to it via the RRC connection reconnect message or a new MAC CE.
It should be noted that in this document, the TA identifier group which is termed as being a displayed TA group number and may also be a particular CC number in the TA group.
Additionally, in the present document the mentioned message name is a name used only for convenience of description and this name cannot limit the scope of the patent application of the modality of the present invention, that is, there may be no similar name in some determined systems, but from that it could not be considered that the solutions of the technique in the embodiment of the present invention cannot be applied to those systems.
Optionally, directly via the reconnect message - RRC Wconexãode link or a new MAC CE, the eNÓóB can also allocate to it a corresponding new TA identifier group and the Preamble and PRACH resource information that are used in the CC added. It should be noted that in this document the TA identifier group which is termed as being a displayed TA group number and may also be a particular CC number in the TA group, additionally, in this document, the name mentioned message name is a name used only for convenience of description and this name cannot limit the scope of the patent application of the modality of the present invention, that is, there may be no similar name in some determined systems, but from there it could not be considered that the solutions of the art in the form of the present invention cannot be applied to such systems.
When the eNodeB receives the RRC connection reconfiguration completion message or other added messages or an information element added to the existing message, the eENÓóB stores the TA identifier group that corresponds to the CC.
S704: If the UE receives dedicated random access resources that are allocated to the added CC, the UE uses the dedicated Preamble and the PRACH resources to perform uplink synchronization on the added CC.
The embodiment of the present invention provides the method for determining the timing advance grouping. When CC is added to the UE, according to the group of known AT information, eNóB can determine the AT group to which the CC belongs and thus avoid the case where eNóB frequently triggers an access process. - they are random due to the uncertainty about the TA group of CC added in the prior art; when the eNÓB cannot determine the TA pool, the UE can also assist in determining the TA pool. In this way, the use of random access resources is reduced, the possibility of conflict of the random access process is reduced and the system performance is improved.
Mode 8 An embodiment of the present invention provides a method for determining the timing advance grouping, as shown in figure 8 in which the method includes the following content.
S801: In a mobile process, a UE monitors all time downlink synchronizations of the downlink CCs that correspond to the configured uplink CCs and reports a measurement result to an eNode.
Specifically, for CCs that belong to the same TA group, the UE performs a pairwise comparison of the time deviations between the downlink CC synchronizations that correspond to the uplink CCs of each band. Specifically, the UE can select a downlink CC that corresponds to any uplink CC in each band to perform the monitoring and can also monitor the downlink CCs that correspond to all the uplink CCs that are configured. Time deviations between downlink synchronizations are made by a pairwise comparison; if a deviation difference reaches a pre-established limit and lasts for a period, the UE selects any CC from the two bands respectively at the beginning of a random access process. Optionally, the UE stores, but does not immediately apply a TA adjustment value that is received from a RAR message and sends the measurement report information used to the random access Msg3 message.
For CCs that belong to different AT groups, the UE performs a comparison in pairs of time deviations between the synchronizations of downlink CCs that correspond to the uplink CCs of each TA group. Specifically, the UE can select the downlink CC that corresponds to any uplink CC of each TA group to perform the monitoring and can also monitor the downlink CCs that correspond to all the uplink CCs that are configured. Time deviations between downlink synchronizations are made by a pairwise comparison; if a deviation difference is less than a pre-established limit and lasts a period in which the limit and the previous limit can be the same limit and can also be different limits, the UE sends a dedicated synchronization report message to the eNÓóB and sends the measurement report information used to eNÓB. The synchronization report message that is specifically used by the UE can be a new RRC message or an element of information added from an existing RRC message and can also be a new MAC CE. The message name is a name used only for convenience of description and that name cannot limit the scope of the patent application of the modality of the present invention, that is, there may be no similar name in some determined systems, but from that point on it could not be considered that the solutions of the technique in the form of the present invention cannot be applied to these systems.
Optionally, previous monitoring and judgment action performed on the same TA group and different TA groups can also take a CC as a unit, that is, the UE measures the synchronizations of the downlink CCs that correspond to all the CCs that are configured and perform a comparison in pairs. Other rules of judgment and subsequent proceedings are the same as in the previous way.
When the UE is configured with only one CC or the UE does not support CA, the UE monitors a downlink DC synchronization offset that corresponds to the UE. If the synchronization deviation changes abruptly and reaches or exceeds a pre-established limit and no TA command MAC MAC that is sent by the eNÓóB is received to perform the adjustment and its TAT (Timing Advance timer, timer TA) does not expire, when the UE needs to send uplink data, the UE first initiates a random access process at the CC. Specifically, uplink data includes data sent on a PUSCH (physical uplink sharing channel, physical uplink shared channel) and also includes data sent on a PUCCH (link control channel) physical ascending, physical uplink control channel). And a current TA value is adjusted according to the TA adjustment value that is received in the message.
of RAR.
S802: According to a synchronization measurement report and the TA adjustment value of an uplink signal, the eNÓóB adjusts a group of TA to which each CC belongs. Specifically, in the measurement result, if a difference between a DC timing advance of one band and the CC timing advances of other bands in the same AT group reaches a seventh limit, the AT group to which the CCs in the band they belong to is adjusted and reallocates a new TA group to the band's CCs; if among all AT groups, a difference between a CC timing advance from one TA group and the CC timing advances from other AT groups is less than an eighth limit, eNóB adjusts the group of ATs. TA to which the CCs in the TA group belong and combines the CCs that originally belong to the two TA groups in one TA group.
Optionally, the previous process in which the eNÓóB compares the timing advances of CCs can also take a CC as a unit, that is, the judgment is performed according to the result of the measure; if a difference between a timing advance of a given CC and the timing advances of other CCs in the same TA group reaches the seventh limit, the TA group to which the CC belongs is adjusted and reallocates a new TA group to the CC; if among all AT groups, a difference between a CC timing advance from one TA group and the CC timing advances from other TA groups is less than the eighth limit, eNÓB adjusts the TA group to the which the CCs in the TA group belong to and combines the CCs that originally belong to the two TA groups in one TA group.
If the eNóB agrees to adjust the grouping, the eNÓB sends an updated TA identifier group to the UE via an RRC connection reconnection message. It should be noted that in this document the TA identifier group which is termed as being a displayed TA group number and may also be a particular CC number in the TA group.
S803: The UE receives the RRC connection reconfiguration message and records the information. If the UE stores the TA adjustment value that is received from the RAR message, the TA adjustment value is applied.
The method for determining the time-advance grouping in which the method is provided in this mode, can be performed after the eNodeB adds a CC to the UE in the later mode, that is, after the CC is added, the UE judges whether an existing CC changes.
The embodiment of the present invention provides the method for determining the timing advance grouping. Due to the fact that the UE monitors the CC that is configured all the time, the eNÓóB can obtain the alteration of the conditions of a group of AT over time in a communication process and thus avoid the deterioration that is the quality of uplink transmission signals and is generated by the improper adjustment of a value ofTAe and avoids the decrease of the system performance.
Mode 9 A mode of the present invention provides a method for determining the timing advance grouping, as shown in figure 9 where the method includes the following content.
S901: in a mobile process, a UE monitors all downlink time synchronizations of downlink CCs that correspond to the configured uplink CCs and reports a measurement result for an eNodeB.
Specifically, for the CCs that belong to the same DE group, theUE performs a pairwise comparison of the time deviations between the synchronizations of the downlink CCs that correspond to the uplink CCs of each band. Specifically, the UE can select a downlink CC that corresponds to any uplink CC in each band to perform the monitoring and can also monitor the downlink CCs that correspond to all the uplink CCs that are configured. The time deviations between downlink synchronizations are made by a comparison
ration in pairs; if a deviation difference reaches a pre-established limit and lasts for a period, the UE sends a dedicated synchronization report message to eNÓB and sends the measurement report information used to eNóB, The report message The synchronization method that is specifically used by the UE can be a new RRC message or an element of information added from an existing RRC message and can also be the new MAC CE.
The message name is a name used only for convenience of description and that name cannot limit the scope of the patent application for the modality of the present invention, that is, there may be no similar name in some determined systems. , but from that it could not be considered that the solutions of the technique in the modality of the present invention cannot be applied to these systems.
For the CCs that belong to different AT groups, the UE performs a comparison in pairs of time deviations between the synchronizations of the downlink CCs that correspond to the uplink CCs of each TA group.
Specifically, the UE can select the downlink CC that corresponds to any uplink CC of each TA group to perform the monitoring and can also monitor the downlink CCs that correspond to all the uplink CCs that are configured.
Time deviations between downlink synchronizations are made by a pairwise comparison; if a deviation difference is less than a pre-established limit and lasts a period in which the limit and the previous limit can be the same limit and can also be different limits, the UE sends a dedicated synchronization report message to eNÓóB and sends the measurement report information used to the eNÓóB.
The synchronization report message that is specifically used by the UE can be a new RRC message or an element of information added from an existing RRC message and can also be a new MAC CE.
The message name is a name used only for convenience of description and that name cannot limit the scope of the patent application of the mo-
of the present invention, that is, there may be no similar name in some determined systems, but from that it could not be considered that the solutions of the technique in the form of the present invention cannot be applied to those systems.
Optionally, the previous monitoring and judgment action performed in the same TA group and different TA groups can also take a CC as a unit, that is, the UE measures synchronizations of the downlink CCs that correspond to all CCs that are configured and performs a pairwise comparison. Other judgment rules and subsequent processes are the same as in the previous way.
S902: The eNodeB receives a synchronization measurement report and a TA adjustment value from an uplink signal and adjusts a group of TA to which each CC belongs. Specifically, in the measurement result, if a difference between a DC timing advance of one band and the CC timing advances of other bands in the same TA group reaches a seventh limit, eNÓB adjusts the TA group to which the Band CCs belong and relocate a new TA group to the band's CCs; if among all AT groups, the difference between a CC timing advance of one TA group and the CC timing advances of other AT groups is less than an eighth limit, eNÓB adjusts the group of AT TA to which the CCs in the TA group belong and combines the CCs that originally belong to the two TA groups in one TA group.
Optionally, the previous process in which the eNÓóB compares the timing advances of CCs can also take a CC as a unit, that is, the judgment is performed according to the result of the measure; if a difference between a timing advance of a given CC and the timing advances of other CCs in the same TA group reaches the seventh limit, the eNÓóB adjusts the TA group to which a CC belongs and reallocates a new group of TA for CC; if among all the AT groups, a difference between a CC timing advance of one TA group and the CC timing advances of other TA groups is less than the eighth limit, eNÓB adjusts the group of AT TA to which the CCs in the TA group belong and combine the CCs that originally belong to the two TA groups in one TA group. If the eNóB agrees to adjust the grouping, the eNÓB sends an updated TA identifier group to the UE via an RRC connection reconnection message. It should be noted that in this document, the TA identifier group which is termed as being a displayed TA group number and may also be a particular CC number in the TA group. If deemed to be necessary, eNÓB will instruct that a random access process is performed in one or several specified CCs. Optionally, eNÓóB can also allocate a Preamble and the PRACH resources that need to be used for the UE and instructs the UE to initiate a random access process at a given CC. The Preamble and the PRACH resources can be executed in the RRC connection reconnection message and can also be indicated subsequently by a PDCCH order message.
S903: If you receive the RRC connection reconnection message, EU records the information. If the random access process is necessary, the UE performs the random access process in the CC according to an eNÓóB instruction: If the dedicated Preamble and PRACH resources are allocated, the UE performs a non-random access process competitive; otherwise, the UE performs a competitive random access process.
The method for determining the time-advance grouping in which the method is provided in this mode, can be performed after the eNodeB adds a CC to the UE in the later mode, that is, after the CC is added, the UE judges whether an existing CC changes.
The embodiment of the present invention provides the method for determining timing advance grouping. Because the UE monitors the CC that is configured at all times, the eNóB can obtain the conditions of alteration of a group of AT over time in a communication process and thus avoid the deterioration that is in the quality of transmission signals. uplink mission and is generated by improperly adjusting a TA value and prevents the system's performance from decreasing. Mode 10 A mode of the present invention provides a method for determining the timing advance grouping, as shown in figure 10 where the method includes the following content.
S1001: An eNodeB receives data that is sent through each uplink CC and according to a TA adjustment value of the uplink data of each CC, it adjusts a group of TA to which each CC belongs. ENóB judges whether it is necessary to reallocate a new AT group to the band's CCs, or combines the CCs that originally belong to the two AT groups in one AT group.
If necessary, eNÓB sends an updated TA identifier group to an UE via an RRC reconnect message. It should be noted that in this document the TA identifier group which is termed as being a displayed TA group number and may also be a particular CC number in the TAA group. If deemed necessary, the eNÓóB will instruct that a random access process is performed on one or more specified CCs. Optionally, eNÓóB can also allocate a Preamble and the PRACH resources that need to be used for the UE and instructs the UE to initiate a random access process at a given CC. The Preamble and the PRACH resources can be carried in the RRC connection reconfiguration message and can also be indicated subsequently by a PDCCH order message.
S1002: The UE receives the RRC connection reconnection message and records the information. If the random access process is necessary, oUE performs the random access process in the CC according to an eNÓB instruction: If the dedicated Preamble and PRACH resources are allocated, the UE performs a non-competitive random access process ; otherwise, the UE performs a competitive random access process.
The method for determining the time advance grouping, in which the method is provided in this mode, can be performed after eNÓB adds a CC to the UE in the previous mode, that is, after the CC is added, the UE judges whether an existing CC is changed.
The embodiment of the present invention provides the method for determining timing advance grouping. Because eNÓB receives data that are sent by each uplink CC, respectively, eNóB can obtain conditions to change a group of AT over time in a communication process, thus avoiding the deterioration that is of quality of uplink transmission signals and is caused by improper adjustment of a TA value, avoiding increased system performance.
In addition, in each preceding modality, when the eNodeB needs to perform TA adjustment for multiple TA groups in the UE, an added extended TA command MAC CE is used, with the TA group identifier described in the present invention is used to differentiate ie after receiving the extended TA command MAC CE, the UE judges the TA group identifier, and applies a TA adjustment value subsequent to the CCs in the TA group. A format of the extended TA command MAC CE is shown in figure 11.
In addition, in each preceding modality, for a given UE, when multi-band CCs belong to a TA group, when the UE starts a random access process in a scenario other than a random access trigger scenario in previous modalities, the UE selects a random access channel from a CC with a lower frequency of the band, from the random access channels of each CC that is configured, to start a random access process.
An eNÓóB 12 device provided in an embodiment of the present invention, as shown in figure 12, includes: an addition unit
tion 1201, a determination unit 1202, and a sending unit
1203. The preceding addition unit 1201 is configured to add a component carrier (CC) to user equipment (UE). The preceding unit of determination 1202 is configured to determine, when the preceding addition unit 1201 adds the CC to the UE, according to obtained timing advance group (TA) information or a predetermined rule, a group of TA to which a CC belongs to, where the TA group is a set of CCs that can share a TA. The preceding sending unit 1203 is configured to send identification information that identifies the TA group to the UE.
By adding the CC to the UE, according to the AT group information obtained or the predetermined rule, the eNÓB device provided in the mode of the present invention can determine the AT group to which a CC belongs, thus avoiding, the case in which eNóB frequently triggers a random access process due to uncertainty about the TA group of the CC added in the previous technique. In this way, the use of random access resources is reduced, the probability of conflict of the random access process is decreased, and the system performance is improved.
In addition, the preceding sending unit 1203 can be additionally configured to send information to query CC TAs to the UE.
Optionally, as shown in figure 13, the eNodeB device 12 further includes a receiving unit 1204 and a cluster unit 1205.
The preceding receiving unit 1204 is configured to receive a query result that is reported by the UE, to receive TA pool information sent by a network management center, to receive a measurement report that is sent by the UE and includes des - times of time that are between synchronizations of downlink CCs and are measured by the UE, and receive data that is sent through each uplink CC. The preceding grouping unit 1205 is configured to perform grouping of the TA group according to the query result, in which CCs with TAs in a range that is defined by a first limit and a second limit are grouped into a group of TA.
A user equipment 14 provided in an embodiment of the present invention, as shown in figure 14, includes a receiving unit 1401 and a sending unit 1402.
The preceding receiving unit 1401 is configured to receive information that is sent by an eNodeB and is used to query CC TAs, receive information that is sent by a network management center through data from a data plan and is used to consult CC TAs, and receive identification information from a group of ATs, in which the identification information is sent by eNóB. The preceding sending unit 1402 is configured to send a query result to eNÓB, and to send the query result to the network management center through a data carrier.
User equipment provided in the form of the present invention can send TA information from each CC to eNÓB, so that eNóB obtains information from the TA group and determines a TA group to which an added CC belongs, thus avoiding the case in point. that eNÓóB often triggers a random access process due to uncertainty about the TA group of CC added in the prior art. In this way, the use of random access resources is reduced, the probability of conflict of the random access process is reduced, and the performance of the system is improved.
In addition, as shown in figure 15, user equipment 14 can also include: a detection unit 1403. Detection unit 1403 is configured to detect downlink synchronizations of downlink CCs that correspond to each configured upward-bending CC. The preceding sending unit 1402 is further configured to report a measurement result that is obtained by the detection unit 1403 to the eNÓB.
Thus, it is beneficial to eNÓB to obtain conditions to change a group of ATs in time in a communication process, thus avoiding deterioration, that is, the quality of uplink transmission signals and is caused by improper adjustment of a value of TA, and avoiding a decrease in system performance.
A network management center device 16 provided in an embodiment of the present invention, as shown in figure 16, includes: a sending unit 1601, a receiving unit 1602, and a cluster unit 1603.
The preceding sending unit 1601 is configured to send information to query CC TAs to a UE through data from a data plan, and to send TA pooling information to an eNÓB. Receiving unit 1602 preceding is configured to receive a query result which is reported by the UE through a data carrier. The preceding grouping unit 1603 is configured to perform TA group grouping according to the query result, in which CCs with TAs in a range defined by a third limit and a fourth limit are grouped into a TA group.
The network management center device provided in the form of the present invention can send TA information from each CC to eNóB, so that the eNóB obtains TA group information and determines a TA group to which an added CC belongs, thus avoiding the case where eNóB frequently triggers a random access process due to uncertainty about the TA group of the CC added in the prior art. In this way, the use of random access resources is reduced, the probability of conflict of the random access process is reduced, and the performance of the system is improved.
A communication system provided in one embodiment of the present invention includes at least one of the base station device, the user equipment, and the network management center device in the foregoing embodiments.
Because each device is the same as the one prescribed
assignor, repeated descriptions are not given again in this document.
The embodiment of the present invention provides the communication system. By adding a CC to a UE, according to obtained TA group information or a predetermined rule, an eNÓB can determine a group of AT to which a CC belongs, thus avoiding the case in which the eNÓB frequently triggers a process random access due to uncertainty about the TA group of CC added in the previous technique. In this way, the use of random access resources is reduced, the probability of conflict in the random access process is reduced, and the system's performance is improved.
The foregoing descriptions are only specific embodiments of the present invention, but are not intended to limit the scope of protection of the present invention. Any alteration or substitution that can be easily considered by elements skilled in the art in the technical scope revealed by the present invention must fit within the scope of protection of the present invention. Accordingly, the scope of protection of the present invention will be subject to the scope of protection of the claims.

权利要求:
Claims (14)
[1]
1. Method for determining the timing advance grouping characterized by the fact that it comprises the steps of: adding (S101) through a base station a component carrier, DC, to a user equipment, UE; determine (S102) by means of the base station and according to one of the information obtained from the TA timing advance group and a predetermined rule, a TA group to which the added CC belongs, in which the TA group is a set of CCs that they can share a TA and send (S103) through the base station identification information that identifies the TA group to the UE.
[2]
2. Method according to claim 1, characterized by the fact that the determination, in accordance with the predetermined rule, —the TA group to which the CC belongs comprises: if (S201) the added CC and a CC that is currently configured in the base station belong to the same band, to determine that the added CC belongs to a group of TA that corresponds to the band.
[3]
3. Method, according to claim 1, characterized by the fact that before the base station adds the DC component carrier to the EU user equipment, it also comprises: sending (S302) through the base station information to consult CC TAs for the UE; receiving (S303) through the base station a query result6 is reported by the UE; and perform (S304) through the base station a grouping of TA in accordance with the query result, in which the CCs with TAs in a range that is defined by a first limit and a second limit are grouped into a group of AT.
[4]
4. Method according to claim 1, characterized by the fact that before the base station adds the DC component carrier to the EU user equipment, it further comprises:
receive through the base station TA pool information that is sent by a network management center, where the TA pool information comprises the TA pool that is performed by the network management center in accordance with a query result which is fed back by the UE, where CCs with TAs in a range that is defined by a third limit and a fourth limit are grouped into a group of ATs.
[5]
5. Method, according to claim 1, characterized by the fact that the determination according to the information of the TA advance group obtained, of the TA group to which the CC belongs: receive (S503) through from the base station a measurement report that is sent by the UE, where the measurement report comprises a time deviation that is between synchronizations of downlink CCs and is measured by the UE; and determine through the base station and in accordance with the measurement report the TA group to which the DC belongs, in which, in the measurement report, CCs with a synchronization time deviation in a range that is defined by a fifth limit and sixth limit are grouped into oneTA group.
[6]
6. Method, according to claim 1, characterized by the fact that (S602): if the UE does not receive the identification information that are from the TA group and that are sent by the base station, in accordance with a time deviation between downlink synchronizations of downlink CCs that correspond to the added CC, the UE determines whether the added CC belongs to an existing TA group; on determining that the added CC does not belong to the currently existing AT group, the UE initiates a random access process on the added CC to the base station; the base station adjusts a TA from the added CC and sends identification information from a new TA group to the UE, where the identification information from the new TA group is allocated to the added CC; and when determining that the added CC belongs to the AT group that currently exists, the UE sends to the base station the identification information of the AT group to which the added CC belongs.
[7]
7. Method, according to claim 1, characterized by the fact that: if you do not receive the identification information that are from the TA group and are sent by the base station, in accordance with a time deviation between synchronizations of downlink of downlink CCs that correspond to the added CC, the UE determines whether the added CC belongs to a group of TA that currently exists; when determining that the added CC does not belong to the AT group that currently exists, the UE initiates a random access process on a CC that is currently configured; the base station sending physical random access channel resource information and preamble to the UE, and the physical random access channel resource information and preamble are used by the added CC; the UE uses the resources of physical random access channel and preamble to perform uplink synchronization in the added CC; and upon determining that the added CC belongs to the currently existing TA group, the UE sends information identifying the TA group to which the added CC belongs to the base station.
[8]
8. Method according to claim 1, characterized by the fact that it further comprises: receiving through the base station a measurement result that is sent by the UE, in which the measurement result detected by the UE comprises a time deviation between downlink synchronizations of downlink CCs that correspond to each uplink CC that is configured by the UE; and adjust via the base station and in accordance with the measurement result and a TA adjustment value of an uplink signal a group of TA to which each CC belongs.
[9]
9. Method, according to claim 8, characterized by the fatodeque (S801): for CCs that belong to the same TA group, the UE performs a comparison in pairs of time deviations between synchronizations of downlink CCs that correspond to the CCs upward link of each band; and for CCs that belong to different AT groups, the UE performs a comparison in pairs of time deviations between synchronizations of downlink CCs that correspond to the uplink CCs of each TA group.
[10]
10. Method, according to claim 9, characterized by the fact that the adjustment through the base station and in accordance with the measurement result and the TA adjustment value of the U-link signal of the TA group to which each CC belongs understands: in the measurement result, if a difference between a timing advance of a DC of one band and timing advances of CCs of other bands in the same TA group reaches a seventh limit, adjust a TA group to which the CC of the band belongs; and in the measurement result, if between each TA group a difference between a DC timing advance from a TA group and CC timing advances from other TA groups is less than an eighth limit, adjust a AT group to which the CC of the AT group belongs.
[11]
11. Method, according to claim 1, characterized by the fact that it further comprises: receiving through the base station data that is sent through each uplink CC, and in accordance with an adjustment value of data TA uplink of each CC, adjust a group of TA to which the CC belongs.
[12]
12. Method, according to any one of claims 8 to 11, characterized by the fact that after adjusting the TA group to which each CC belongs, it also comprises: sending identification information that identifies a new TA group to the EU.
[13]
13. Base station device characterized by the fact that it comprises: an addition unit (1201) configured to add a DC component carrier to an EU user equipment; a determination unit (1202) configured to determine according to one of the TA timing advance group information obtained and a predetermined rule, when the addition unit (1201) adds CC to the UE, a TA group to which the CC belongs, in which the TA group is a set of CCs that can share a TA; and a sending unit (1203) configured to send identifying information that identifies the TA group to the UE.
[14]
14. Device, according to claim 13, characterized by the fact that: the sending unit is further configured to send information to consult a TA of each CC to the UE; and the base station device which further comprises: a receiving unit (1204) configured to receive a query result that is reported by the EU, receive TA pooling information that is sent by a network management center, receive a measurement report that is sent by the UE and comprises a time deviation that is between synchronizations of downlink CCs and that is measured by the UE, and receive data that is sent through each uplink CC; and a grouping unit (1205) configured to perform a TA grouping in accordance with the query result, in which the CCs with TAs in a range that is defined by a first limit and a second limit are grouped into a group of TA .

类似技术:

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同族专利:

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公开号 | 公开日

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US10645732B2|2020-05-05|

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EP2525612A1|2012-11-21|

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EP2525612B1|2016-10-19|

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CN102123475B|2015-08-19|

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EP3177086A1|2017-06-07|

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US20120282969A1|2012-11-08|

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EP3177086B1|2021-05-26|

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CN102123475A|2011-07-13|

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WO2011085678A1|2011-07-21|

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CN105050178A|2015-11-11|

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US10085287B2|2018-09-25|

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US20150156798A1|2015-06-04|

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CN105050178B|2019-05-03|

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US20180368182A1|2018-12-20|

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EP2525612A4|2012-11-21|

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法律状态:
2020-09-01| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2020-09-01| B15K| Others concerning applications: alteration of classification|Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04W 56/00 , H04W 72/12 Ipc: H04W 56/00 (2009.01), H04W 76/27 (2018.01), H04W 7 |

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2021-11-09| B07A| Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]|

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2021-11-23| B350| Update of information on the portal [chapter 15.35 patent gazette]|

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2022-03-03| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

优先权:

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申请号 | 申请日 | 专利标题

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CN201010000583.XA|CN102123475B|2010-01-12|2010-01-12|A kind of defining method of timing advance grouping and device|

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CN201010000583.X|2010-01-12|

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PCT/CN2011/070199|WO2011085678A1|2010-01-12|2011-01-12|Method, device and system for determining timing advance group|

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