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    • 专利摘要:
    method for implementing communication for a user device, method for implementing delivery for a user device and system for implementing communication for a user device the disclosure provides a method and system for implementing communication for a user device, which includes: a user device reports the status information of other sub-devices, except the sub-device that adopts long term evolution technology (lte), next to the network (300); the network side performs the management of radio resources according to the state information obtained (301). it can be seen from the disclosure method that the network side, already knowing the state information of the user equipment, performs the management of radio resources. as for the sub-devices in the user equipment that are configured to adopt the lte technology, and for the other sub-devices that adopt such technologies different from the lte technology, such as the wlan technology, the bluetooth technology, and the like, the method reaches the effective suppression of inter-device coexistence interference, thereby improving the communication quality of radio technologies on user equipment and the communication experience of users.
    公开号:BR112013003297B1
    申请号:R112013003297-9
    申请日:2010-08-13
    公开日:2021-04-06
    发明作者:Xiaojuan Shi
    申请人:Zte Corporation；
    IPC主号:
    专利说明:

    [0001] [001] The present description concerns a technology of coexistence between multiple radio technologies in a terminal and, more particularly, a method and a system for implementing communication for a user equipment in which several radio technologies coexist. HISTORIC
    [0002] [002] With the development of radio technologies, more and more radio technologies have started to be widely adopted. In particular, in order to satisfy multiple communication requirements of terminal customers, several radio technologies will be adopted simultaneously in the same intelligent terminal.
    [0003] [003] Figure 1 is a diagram of user equipment adopting two or more radio technologies simultaneously. As shown in Figure 1, on user equipment 100, three radio technologies are adopted. A sub-device 101 (or called a sub-module) adopts Long Term Evolution (LTE) technology, a sub-device 102 (ie, Wireless Local Area Network Station (WLAN STA)) adopts a network wireless local area (WLAN) specified by the IEEE 802.11 standard specification, and a sub-device 103 adopts Bluetooth radio technology specified by the IEEE 802.15 standard specification. The three sub-devices of user equipment 100 carry out radio communication with pairs corresponding to the respective radio technologies, respectively. Sub-device 101 performs radio communication with an E-UTRAN Node-B (LTE eNode-B) 104 through an air interface; sub-device 102 performs radio communication with another WLAN device STA 105 through an air interface; and sub-device 103 performs radio communication with another Bluetooth device 106 via an air interface.
    [0004] [004] In Figure 1, the sub-device 101, the sub-device 102 and the sub-device 103 are connected to each other through an inter-radio interface, for example, the sub-device 101 is connected to the sub-device 102 through L101 and sub-device 101 is connected to sub-device 103 via L102. Alternatively, the three sub-devices are controlled by a common control device 107.
    [0005] [005] Since the user equipment is very small in volume, if two or more radio technologies are defined on the same user equipment simultaneously, this certainly means that the spatial distance between the sub-devices in which the two or more technologies radio are set is very small, for example, a few centimeters. That is, it is not possible to project a sufficiently large spatial isolation between antenna ports used by two or more radio technologies, as such, when the radio technologies in the same user equipment use the adjacent bands, due to reasons such as emission outside bandwidth and spurious broadcasts, the reception of another radio technology sub-device will be interfered when one of the radio technology sub-devices is broadcasting, and vice versa. Furthermore, such interference cannot be eliminated by the existing filters, so that the quality of the communication of the radio technology sub-devices is seriously influenced. In this document, said interference is called coexistence interference in the device.
    [0006] [006] Taking user equipment 100 shown in Figure 1 as an example, it is assumed that WLAN and Bluetooth use the industrial, scientific and medical (ISM - “Industrial, Scientific and Medical”) band (2.4 GHz at 2.5 GHz), where WLAN uses the 2.4 GHz to 2.4835 GHz frequency band in the ISM band, and Bluetooth uses the 2.4 GHz to 2,497 GHz frequency band in the ISM band. The ISM band is adjacent to the LTE 40 band (Band40: 2.3 GHz to 2.4 GHz), and to the uplink band of band 7 (Band7 UP: 2.5 GHz to 2.57 GHz), as shown in Figure 2.
    [0007] [007] If sub-device 101 uses a duplex time division (TDD - “Time Division Duplex”) mode and only uses Band40, or, if sub-device 101 uses a duplex frequency division (FDD) mode - “Frequency Division Duplex”) and only using Band7 on the uplink, mutual interference will exist between sub-device 101, sub-device 102 and sub-device 103. The specific interference is as shown in Table 1. Table 1
    [0008] [008] As shown in Table 1, the coexistence interference on the device between LTE and ISM-related radio technologies, LTE Band40 and ISM interfere with each other; LTE Band7 will interfere with the ISM, but will not suffer interference from the ISM.
    [0009] [009] In the existing LTE system, the LTE user equipment detects interference by measuring the quality of the received reference signal (RSRQ - “Reference Signal Received Quality”). This type of detection mechanism is applicable to a scenario in which the network knows the source of interference. In general, the network can configure the parameters of the rational measurement assessment and the measurement report according to network planning and network optimization or under the support of the functions of SON-Organizing Networks (SON - “Self-Organizing Networks”), to determine whether the user equipment is interfered with in a server cell on the result of the measurement of the signal quality of the server cell reported by the user equipment (UE - “user equipment”), and on the result of the measurement of the signal quality of the relative cells neighbors. If the network determines that the UE is affected by interference, the Node-B can guarantee the quality of the UE's communication through inter-cell interference coordination technology, or by handing the UE to a neighboring cell. During the measurement for the UE in the existing LTE system, since the interference from the outside of the device generally becomes gradually strong, the measurement report reported to the Node-B by the UE is a result that is obtained and filtered from all among the Measurement results within a period of time (320ms, for example, or even longer) are filtered out, to avoid the EU ping-pong handover caused by the short jitter of the signal.
    [0010] [0010] Unlike such interference from the outside of the device, coexistence interference in the device has explosive property and strong interference. On the one hand, as the activation time of ISM-related radio technologies depends completely on the user's action, the interference has explosive properties; on the other hand, since the radio technologies related to ISM and LTE are located in the same user equipment, the spatial isolation between the antenna ports is very small, and the interference has strong interference property. Therefore, in user equipment in which several radio technologies coexist, if the LTE UE adopts the existing interference detection mechanism, the detection will be very slow, which influences the transmission of LTE data, and even causes calls are lost. In addition, the existing LTE interference detection mechanism can only detect an event in which LTE is interfered with, but cannot detect an event in which LTE interferes with other devices, the interference in ISM-related radio technologies caused by LTE cannot be resolved, so data transmission from ISM-related radio technologies on the device is influenced, even interrupted.
    [0011] [0011] Obviously, the coexistence interference in the device inside a device that adopts multiple radio technologies seriously reduces the communication quality of all radio technologies in the user's equipment, and influences the user's communication experience.
    [0012] [0012] US 2010/0067469 A1 describes interference management for different wireless communication technologies. Systems and methodologies that facilitate interference with disparate communication technologies are described when allocating and / or using wireless communication resources. Access points can generate resource allocations for mobile devices based, at least in part, on the resources used by the different communication technology devices, such as to avoid such resources, allocate narrow bands over such resources, avoid or limit allocations in a measurement interval during which different communication technologies communicate and / or similar to mitigate interference with resources. Mobile devices can provide such information to the access point, such as a communication technology to avoid interference, resources used by communication technology devices, etc. This information can be acquired by receiving signals from the devices, detecting the presence of the devices and / or the like. In addition, the mobile device can reduce the transmission power over the resources used by different communication technologies.
    [0013] [0013] STEVENSON C ET AL: “IEEE 802.22: The first cognitive radio wireless regional area network standard”, IEEE COMMUNICATIONS MAGAZINE, vol. 44, no. 1, January 2009 (2009-01), pages 130-138, XP011250000 presents a high-level overview of the IEEE 802.22 standard for cognitive wireless regional area networks (WRANs) that is under development in the standards committee IEEE 802 LAN / MAN.
    [0014] [0014] US 2010/184435 A1 describes methods and devices for providing a wireless expansion network. In one aspect, an apparatus includes an expansion circuit configured to identify at least one of a selected uplink channel (UL) and a selected downlink channel (DL) that are provided by a primary network and an expansion network and circuit configured to switch to at least one of the selected UL and DL channels. An apparatus includes the means to obtain link parameters associated with a primary network and an expansion network, the means to identify clients that are assigned to the transmission channels on both the primary network and the expansion network based on the link parameters, and the means for transmitting messages to customers to indicate the assigned transmission channels.
    [0015] [0015] US 2010/0203832 A1 describes a method and apparatus for the coexistence of an OFDMA transmitter with a frame-based synchronous transmitter.
    [0016] [0016] The document CN 101553054A describes a terminal and method to improve the suppression of interference in a terminal.
    [0017] [0017] The document WO2010088814 A1 describes a method and system to implement the measurement.
    [0018] [0018] The document KR20090091634 A describes a method to support coexistence in a mobile station. SUMMARY
    [0019] [0019] The main purpose of the description is to provide a method and system for implementing communication for user equipment, which can effectively suppress coexistence interference on the device, improve the communication quality of all radio technologies supported by the user equipment, and improve the user's communication experience.
    [0020] [0020] To achieve the above objective, this description provides the following technical solutions.
    [0021] − um equipamento de usuário relata informações de outros sub-dispositivos, exceto um sub-dispositivo que adota a tecnologia Long Term Evolution (LTE) a uma rede; e − a rede realiza gerenciamento de recursos de rádio de acordo com as informações de estado. [0021] A method of implementing communication for user equipment is provided, which includes the following steps: - a user device reports information from other sub-devices, except for a sub-device that adopts Long Term Evolution (LTE) technology to a network; and - the network manages radio resources according to the state information.
    [0022] [0022] The method also includes the following step, prior to the other steps: the network allows the user equipment to report the status information of the other sub-devices, except the sub-device that adopts LTE technology.
    [0023] − a rede envia informações de permissão na mensagem de reconfiguração de conexão do RRC para instruir o equipamento de usuário a relatar as informações de estado dos outros sub-dispositivos no interior do equipamento de usuário, exceto o subdispositivo que adota a tecnologia LTE; ou, − a rede envia as informações de permissão em uma mensagem de configuração de conexão RRC; ou, − a rede envia as informações de permissão em uma nova mensagem RRC. [0023] The stage in which the network allows the user equipment to report the status information of the other sub-devices, except the sub-device that adopts LTE technology includes that: - the network sends permission information in the RRC connection reconfiguration message to instruct the user's equipment to report the status information of the other sub-devices inside the user's equipment, except for the sub-device that adopts LTE technology; or, - the network sends the permission information in an RRC connection configuration message; or, - the network sends the permission information in a new RRC message.
    [0024] − o sub-dispositivo que adota a tecnologia LTE adquire as informações de estado através de uma interface inter-rádio ou de um dispositivo de controle no equipamento de usuário. [0024] The method also includes the following stage, prior to the other stages: the user's equipment acquires the status of other sub-devices, except the device that adopts LTE technology, and this stage includes that: - the sub-device that adopts LTE technology acquires the status information through an inter-radio interface or a control device in the user equipment.
    [0025] [0025] Status information includes information about the active or inactive status of other sub-devices, except for the sub-device that adopts LTE technology in the user equipment.
    [0026] [0026] The status information additionally includes information about the interfering LTE frequency band (s).
    [0027] [0027] The status information additionally includes information on additional measurement results.
    [0028] − os resultados de medições de todas as células vizinhas, para todas as tarefas de medições configuradas, já cumprem as condições de relatórios de medições da respectiva tarefa de medição e são salvos em uma lista de ativação de célula correspondente à respectiva tarefa de medição; ou, − os resultados de medições das N células vizinhas mais fortes, para todas as tarefas de medições configuradas, já cumprem as condições de relatórios de medições da respectiva tarefa de medição e são salvos em uma lista de ativação de célula correspondente à respectiva tarefa de medição, em que N é um valor pré-definido para a rede e o equipamento de usuário. [0028] Information on the results of additional measurements is: - the measurement results of all neighboring cells, for all configured measurement tasks, already fulfill the measurement reporting conditions of the respective measurement task and are saved in a cell activation list corresponding to the respective measurement task; or, - the measurement results of the N strongest neighboring cells, for all configured measurement tasks, already fulfill the measurement reporting conditions of the respective measurement task and are saved in a cell activation list corresponding to the respective measurement task, where N is a predefined value for the network and user equipment.
    [0029] [0029] The step of reporting status information to the network includes: reporting status information to the network by including status information in an expanded proximity indication message; or, report state information to the network by including state information in an expanded full RRC connection configuration message; or report status information to the network by including status information in an expanded full RRC connection reconfiguration message; or report status information to the network by including status information in a new RRC message.
    [0030] [0030] The stage in which the network performs radio resource management according to the state information includes: performing connection mobility control or management of multiport origin, according to the state information.
    [0031] − realizar operações de acordo com o estado ativo ou inativo de outros subdispositivos exibidos pelas informações de estado recebidas, as quais incluem: quando o equipamento de usuário não trabalhar em Band40/Band7, a rede não passar o equipamento de usuário à Band40/Band7 quando realiza a decisão de handover; ou − configurar o equipamento de usuário com configurações de medição para acelerar a detecção de interferência. [0031] The stage in which the network performs mobility connection management control, according to the state information, includes: - perform operations according to the active or inactive status of other sub-devices displayed by the received status information, which include: when the user equipment does not work on Band40 / Band7, the network does not transfer the user equipment to Band40 / Band7 when performs the handover decision; or - configure the user equipment with measurement settings to speed up the detection of interference.
    [0032] − quando as informações sobre a banda de frequência LTE com interferência forem Band40-UP: − quando o equipamento de usuário trabalhar na banda de frequência abaixo da Band40, a rede determina que o UE não está sujeito a interferência de coexistência no dispositivo, de modo que não são necessárias operações; ou, − quando o equipamento de usuário trabalha em um estado multiportadora, uma célula servidora primária trabalha na banda de frequência abaixo da Band40, e uma ou mais células servidoras auxiliares trabalham na banda de frequência acima da Band40, a rede desativa ou exclui uma ou mais células servidoras auxiliares; ou, − quando o equipamento de usuário trabalha em um estado de portadora única, e na banda de frequência acima da Band40, a rede passa o equipamento de usuário para a banda de frequência 80M abaixo da Band40; e − quando as informações recebidas sobre a banda de frequência LTE com interferência forem Band40-all, o que significa que toda a banda de frequência da Band40 está com interferência, realizar as seguintes operações de acordo com as informações sobre o estado ativo ou inativo de outros sub-dispositivos mostradas pelas informações de estado recebidas: − quando o equipamento de usuário não trabalhar na Band40/Band7, a rede não passa o equipamento de usuário para a Band40/Band7 ao realizar uma decisão de handover; e − configurar o equipamento de usuário com configurações de medição para acelerar uma detecção de interferência. [0032] Status information includes information about the active and inactive status of other sub-devices, except for the sub-device that adopts LTE technology in the user equipment and information about the frequency band (s) LTE with interference. The network performs connection mobility control according to the status information, the step includes: performing the following operations according to the information about the active or inactive status of other sub-devices and the information about the band (s) ( s) LTE frequency with interference: - when the information about the interfering LTE frequency band is Band40-UP: - when the user equipment works in the frequency band below Band40, the network determines that the UE is not subject to coexistence interference in the device, so that operations are not necessary; or, - when the user equipment works in a multiport state, a primary server cell works in the frequency band below Band40, and one or more auxiliary server cells work in the frequency band above Band40, the network disables or excludes one or more cells auxiliary servers; or, - when the user equipment works in a single carrier state, and in the frequency band above Band40, the network passes the user equipment to the frequency band 80M below Band40; and - when the information received about the interfering LTE frequency band is Band40-all, which means that the entire Band40 frequency band is interfering, perform the following operations according to the information about the active or inactive state of others sub-devices shown by the received status information: - when the user equipment does not work on the Band40 / Band7, the network does not transfer the user equipment to the Band40 / Band7 when making a handover decision; and - configure user equipment with measurement settings to speed up interference detection.
    [0033] [0033] Status information includes information about the active or inactive status of other sub-devices, except for the sub-device that adopts LTE technology in the user equipment and information about the results of additional measurements; the stage in which the network performs connection mobility control according to the status information obtained includes that:
    [0034] [0034] when the user equipment works on Band40 / Band7, the network performs the handover decision according to the information on the additional measurement results reported by the user equipment and passes the user equipment to a neighboring cell indicated by the information on additional measurement results.
    [0035] − quando o equipamento de usuário trabalha em um estado multiportadora, uma célula servidora primária do UE trabalha na banda de frequência abaixo da Band40, e uma ou mais células servidoras secundárias trabalham na banda de frequência acima da Band40, a rede desativa ou exclui as uma ou mais células servidoras secundárias. [0035] The status information includes the information about the interference LTE frequency information, which are Band40-UP; the stage in which the network performs the management of multiport resources includes that: - when the user equipment works in a multiport state, a primary UE cell server works in the frequency band below Band40, and one or more secondary server cells work in the frequency band above Band40, the network disables or excludes one. or more secondary server cells.
    [0036] − a rede de origem de um equipamento de usuário envia uma mensagem de solicitação de handover para a rede de destino do equipamento de usuário, em que o contexto RRC da mensagem de solicitação de handover inclui as informações de permissão sobre a rede de origem permitindo um equipamento de usuário a relatar o estado de outros dispositivos, exceto um sub-dispositivo que adota a tecnologia LTE; − a rede de destino retorna uma mensagem de reconhecimento de solicitação de handover para a rede de destino; em seguida, a comunicação entre o equipamento de usuário e a rede de destino inclui que o equipamento de usuário relate para para a rede as informações de estado de outros sub-dispositivos, exceto o sub-dispositivo que adota a tecnologia LTE; e − a rede realiza gerenciamento de recursos de rádio de acordo com as informações de estado obtidas. [0036] A method for implementing handover for user equipment is provided, which includes the following steps: - the source network of a user's equipment sends a handover request message to the destination network of the user's equipment, where the RRC context of the handover request message includes the permission information about the source network allowing a user equipment to report the status of other devices, except for a sub-device that adopts LTE technology; - the destination network returns a handover request acknowledgment message to the destination network; then, the communication between the user equipment and the destination network includes that the user equipment reports the status information of other sub-devices to the network, except the sub-device that adopts LTE technology; and - the network manages radio resources according to the status information obtained.
    [0037] [0037] The handover request message additionally includes information about the active or inactive status of other sub-devices, except the sub-device that adopts LTE technology in the user's equipment.
    [0038] [0038] The handover request message additionally includes information about the interfering LTE frequency band (s).
    [0039] [0039] A system for implementing communication for user equipment is provided, which includes user equipment and a network. User equipment is provided with a sub-device that adopts Long Term Evolution (LTE) technology and other sub-devices that adopt technologies other than LTE technology.
    [0040] [0040] The user equipment is configured to acquire status information from other sub-devices, except the sub-device that adopts LTE technology, and to report the status information to the network.
    [0041] [0041] The network is configured to manage radio resources according to the state information obtained; where the network can be a B-Node.
    [0042] [0042] The network is additionally configured to allow a user's equipment to report the status information of other sub-devices, except the sub-device that adopts LTE technology.
    [0043] [0043] The system additionally includes a destination network when the user equipment performs the handover, and the network is a source network.
    [0044] [0044] The originating network is additionally configured to send a handover request message to the destination network to which the user equipment will be passed, the RRC context of the handover request message includes permission information from the network source to allow the user equipment to report the status of other sub-devices, except the sub-device that adopts LTE technology.
    [0045] [0045] The destination network is configured to return a handover request acknowledgment message to the source network.
    [0046] [0046] The originating network is additionally configured to include in the handover request message information about the active and inactive status of other sub-devices, except the sub-device that adopts LTE technology in the user's equipment.
    [0047] [0047] The originating destination network is additionally configured in the handover request message with information about the LTE frequency band (s) with interference.
    [0048] − A Figura 1 é um diagrama de um equipamento de usuário que adota duas ou mais tecnologias de rádio simultaneamente; − A Figura 2 é um diagrama da relação de posição entre a banda LTE e a banda ISM; − A Figura 3 é um fluxograma de um método para a implementação de comunicação para o equipamento de usuário; − A Figura 4 é um fluxograma de uma primeira realização de uma implementação de comunicação para o equipamento de usuário; − A Figura 5 é um fluxograma de uma segunda realização de uma implementação de comunicação para o equipamento de usuário; e − A Figura 6 é um fluxograma de uma realização de um handover do equipamento de usuário. [0048] It can be seen from the technical solutions provided by the description, that the status information of other sub-devices, except the sub-device that adopts LTE technology, which are reported by a user equipment to the network, are included; and the network manages radio resources according to state information. According to the present description, the network, already knowing the status information of the user equipment, performs the management of radio resources. As for the sub-devices in the user equipment that are configured to adopt the LTE technology, and for the other sub-devices that adopt such technologies different from the LTE technology, such as the WLAN technology, the Bluetooth technology, and the like, the method achieves the effective suppression of coexistence interference on the device, thereby improving the communication quality of radio technologies on user equipment and the communication experience of users. BRIEF DESCRIPTION OF THE DRAWINGS - Figure 1 is a diagram of a user equipment that adopts two or more radio technologies simultaneously; - Figure 2 is a diagram of the position relationship between the LTE band and the ISM band; - Figure 3 is a flow chart of a method for implementing communication for the user equipment; - Figure 4 is a flowchart of a first implementation of a communication implementation for the user's equipment; - Figure 5 is a flowchart of a second implementation of a communication implementation for the user equipment; and - Figure 6 is a flowchart of performing a handover of the user equipment.
    [0049] [0049] Figure 3 is a flow chart of a method for the implementation of communication for the user equipment. Referring to Figure 3, the method includes the following steps:
    [0050] [0050] Step 300: A user's equipment reports the status information of other sub-devices, except the sub-device that adopts LTE technology, to the network, the network being a Node-B.
    [0051] [0051] Before this stage, a stage where the user's equipment obtains the status of other sub-devices, except the sub-device that adopts LTE technology, is additionally included.
    [0052] [0052] With reference to Figure 1, the sub-devices that adopt different radio technologies are connected to each other through an intra-radio interface, or the sub-devices that adopt different radio technologies are simultaneously controlled by a common device. Therefore, the LTE sub-device in the UE can obtain the active / inactive state of other sub-devices in the UE, for example, the ISM sub-devices shown in Figure 1., using either of the two means above. If other sub-devices are connected, additionally, the LTE sub-device in the UE can additionally obtain the working frequency of other sub-devices in any of the above ways.
    [0053] [0053] In this step, the UE can use a proximity indication message to report the status information of other sub-devices to the network, namely, expanding the proximity indication message to include the status information of others sub-devices.
    [0054] [0054] Alternatively, since other sub-devices may be activated at the beginning, or before the radio resource control connection configuration, the UE can expand a full RRC connection configuration message to include the status information obtained other sub-devices. It should be noted that when the UE reports status information to the network via the RRC full connection configuration message, the status information does not include information on additional measurement results.
    [0055] [0055] Alternatively, the UE includes the status information obtained from other sub-devices in a new RRC message, for example, a new sub-device status indication message.
    [0056] [0056] In this step, the status information of other sub-devices that the UE reports to the network at least includes information about the on (also known as "in use") or off (also known as "out of state") state. use ”) of other sub-devices.
    [0057] [0057] In addition, status information additionally includes: information for the LTE frequency band (s), for example, Band40-all (the entire Band40 frequency band) and Band40-UP (frequency band) above Band40, for example, above the 20 MHz frequency band).
    [0058] [0058] Band40-all indicates that the entire Band40 of LTE will suffer interference. Taking Table 1 as an example, after Node-B receives the information field, it can be inferred that the ISM sub-devices work in a frequency band below (for example, below the 20 MHz frequency band). Band40-UP indicates that an AC frequency band above LTE Band40 (for example, above the 20 MHz frequency band) is interfering with LTE Band40. Taking Table 1 as an example, after Node-B receives the information field, it can be inferred that the ISM sub-devices work in a frequency band above (for example, a frequency band different from below frequency band 20 MHz).
    [0059] [0059] The status information additionally includes information on the additional measurement results.
    [0060] [0060] The information on the measurement results, for example, may be that the measurement results of all neighboring cells, for all configured measurement tasks, already fulfill the measurement report conditions of the respective measurement task, and they are saved in the cell activation list corresponding to the respective measurement task; or it could be that the measurement results of the strongest N neighboring cells, for all configured measurement tasks, already fulfill the measurement report conditions of the respective measurement task and are saved in the cell activation list corresponding to the respective measurement task. measurement, where N is a predefined value for the network and user equipment.
    [0061] [0061] Particularly, with reference to Figure 5, taking the network as eNode-B and other sub-devices as ISM devices, when the ISM devices in the UE are inactive, the coexistence interference in the device in the UE does not exist (Step 500) , the UE and the eNode-B do not need special treatment for the coexistence interference in the device. In this case, the status information reported by the UE is that the ISM devices are turned off (additionally known as “out of use”) (Step 501). After the eNode-B receives the status information that the ISM devices are turned off, there is no longer a need for all operations to consider coexistence interference on the device, for example, the eNode-B can delete the measurement settings for accelerate the detection of interference.
    [0062] [0062] Step 301: The network manages radio resources according to the state information obtained.
    [0063] [0063] The operations carried out by the network according to the received state information depend on the strategy of the network. In this step, the management of radio resources includes the control of connection mobility. The possible control of connection mobility includes the following types, among others:
    [0064] [0064] The first type is related to operations carried out according to the indicated state, active (in use) or inactive (out of use), of other sub-devices in the received state information, which include the following operations:
    [0065] [0065] Operation 1, When the user equipment does not work on Band40 / Band7, the network does not pass the UE to Band40 / Band7 when making a handover decision.
    [0066] [0066] Operation 2, Measurement settings to accelerate the detection of interference are configured for the UE, for example, to reduce the time for activation of the measurement report in the measurement settings; reconfiguring the event activation threshold in the measurement settings, for example, reducing the compensation setting in the current A3 event (the signal strength of the neighboring cell is better compensated than that of the server cells).
    [0067] [0067] From the connected state of the ISM devices to the state in which the ISM devices are in dense data transmission, there may be a buffer time. Through the operations of the measurement settings to accelerate the detection of interference, the UE and the network can use this buffer time in order to detect and prevent coexistence interference in the device using existing techniques. That is, the UE uses the operations of the measurement settings to speed up the interference detection to measure the interference of server cells and the signal strength of the neighboring cells and reports the measurement results to the network, while the network performs the prevention of interference according to the measurement results reported by the UE, for example, delivering the UE to an appropriate cell, and the like.
    [0068] [0068] The second type is that, when the status information received by the network includes the information of the LTE frequency band (s) with interference, the operations performed according to the information on the connected state (in use) ) or disconnected (out of use) from the other sub-devices and information from the interfering LTE frequency band (s) includes that:
    [0069] − quando o UE trabalhar na banda de frequência abaixo da Band40, a rede determina que o UE não está sujeito à interferência de coexistência no dispositivo, de modo que não é necessária operação alguma; − quando o UE trabalhar em um estado de portadora única, e na banda de frequência acima da Band40 (por exemplo, acima de 20 MHz), a rede pode entregar o UE para a banda de frequência 80M acima da Band40; e − quando as informações da banda de frequência LTE com interferência forem Band40-all, significa que toda a banda de frequência da Band40 sofrerá interferência, e as operações do Nó-B incluem tanto a operação 1 quanto a operação 2. [0069] Operation 3, when the LTE frequency band information with interference is Band40-UP, it means that the frequency band below Band40 (for example, below 80MHz) will not be interfered by ISM devices. The network makes a decision according to the LTE Band40 on which the UE currently works: - when the UE works in the frequency band below Band40, the network determines that the UE is not subject to coexistence interference in the device, so that no operation is necessary; - when the UE works in a single carrier state, and in the frequency band above Band40 (for example, above 20 MHz), the network can deliver the UE to the 80M frequency band above Band40; and - when the information of the interfering LTE frequency band is Band40-all, it means that the entire Band40 frequency band will be interfered with, and the Node-B operations include both operation 1 and operation 2.
    [0070] [0070] The third type is that, when the status information received by the network includes information on the results of additional measurements, the operation performed according to the information on the state on (in use) or off (out of use) of the other sub-devices and information on the results of additional measurements may additionally include:
    [0071] [0071] Operation 4, when the UE currently works on Band40 / Band7, the network performs the handover decision according to the information on the additional measurement results reported by the UE, and passes the UE to an appropriate neighbor cell indicated by the information on additional measurement results. Specifically, the network selects an appropriate neighboring cell, according to information on additional measurement results reported by the EU, load information for all cells and other radio resource management strategies on the network.
    [0072] [0072] In this step, the management of radio resources carried out by the network according to the state information may also include the management of multiport. Specifically, when the status information received by the network includes information about an interfering LTE frequency band, and information about the interfering LTE frequency band (s) is Band40-UP, it means that the frequency band below Band40 (for example, below 80 MHz) will not be interfered by ISM devices. When the UE works in a multiport state, that is, the UE using carrier aggregation technology, the primary server cell of the UE works in the frequency band below Band40, and one or more secondary cells work in the frequency band above the Band40 (for example, above 20 MHz), the network can disable or exclude the secondary server cells mentioned above.
    [0073] [0073] It can be seen from the method of the present description that the network, already knowing the status information of the user equipment, performs the management of radio resources. As for the sub-devices in the user equipment that are configured to adopt LTE technology, and for the other sub-devices that adopt such technologies other than LTE technology, such as WLAN technology, Bluetooth technology, and the like, the method achieves the effective suppression of coexistence interference on the device, thereby improving the communication quality of radio technologies on user equipment and the communication experience of users.
    [0074] [0074] The method of the present description additionally includes the following step, which precedes the steps above: the network allows the user equipment to report the state of coexistence interference on the device, that is, the network notifies the user equipment to allow the function of reporting the status information of other devices, except the sub-device that adopts the LTE technology, namely, the network allows the user equipment to report the status of other devices, except the sub-device that adopts the technology LTE. Specifically, the network sends permission information in the RRC connection reconfiguration message to indicate the user equipment to report status information for other sub-devices, except for the sub-device that adopts LTE technology. Since other sub-devices may be at the beginning or before the RRC connection configuration, permission information can also be sent in the RRC connection configuration message. Permission information can also be sent in the new RRC message.
    [0075] [0075] It should be noted that if the UE and / or the network does not support Band40 / Band7, for example, the capacity of the UE does not allow the UE to work on Band40 / Band7, or the operator does not have the frequency of Band40 / Band7, then, the connected state of other sub-devices, except the sub-device that adopts LTE technology in the user equipment, will not cause the coexistence interference in the device, therefore, the network can disable the UE that does not report the state. of coexistence interference on the device, namely, the network does not send permission information to the UE.
    [0076] [0076] It should be noted that Node-B does not need to explicitly notify the UE that the network allows reporting of state information of coexistence interference on the device, instead, the UE is allowed by default to report the reporting of the information status of coexistence interference on the device.
    [0077] [0077] As shown in Figure 4, taking the network as eNode-B, and other sub-devices as ISM devices, eNode-B allows the reporting of the state of coexistence interference on the device (Step 400). When the ISM devices in the UE are at (Step 401), the status information reported by the UE is that the ISM devices are turned on (additionally called “in use”) (Step 402). After receiving the status information indicating that the ISM devices are connected, the eNode-B performs operations related to coexistence interference on the device according to the received status information (Step 403, with specific steps as shown in Step 301), for example For example, eNode-B can configure measurement settings to speed up interference detection.
    [0078] [0078] Figure 6 is a flowchart of performing a handover of the user equipment. Referring to Figure 6, when a source Node-B (S-eNode B) passes the UE from a source cell to a destination cell according to the measurement reports of the UE, or according to the information status of other sub-devices reported by the UE, or according to RRM algorithms. When the originating Node-B interacts with a destination Node-B (T-eNode B) for handover preparation, for the sake of ensuring the normal communication of devices that adopt multiple radio technologies and coexisting in the UE after the UE is delivered to the destination cell, in the case of the connected status of other sub-devices, the description method additionally includes the following steps:
    [0079] [0079] Step 600: The originating Node-B sends a handover request message to the destination Node-B.
    [0080] [0080] If the originating Node-B has already sent an indication in the originating cell to the UE that the Node-B allows the report of the coexistence interference state in the device, then the originating Node-B includes, in the RRC context of the handover request message, the permission information that the Node-B allows the reporting of the state of coexistence interference on the device, in order to notify the destination Node-B. The originating Node-B has already enabled the UE's function to report the state of coexistence interference in the device. The destination Node-B, according to its own strategy, decides whether to configure the permission information in the RRC connection reconfiguration message subsequently sent to the UE, to allow reporting of the state of coexistence interference on the device. If you decide to enable the function of the UEs that report the state of the coexistence interference on the device in the destination cell, the Node-B can use the delta signaling configuration using the indication that is transmitted from the Node-B that the originating Node-B used to enable reporting of the state of coexistence interference on the device, in the source cell. For example, if the destination Node-B decides to continue to allow the UE function to report the state of coexistence interference on the device in the destination cell, then in the subsequent RRC connection reconfiguration message, the Node-B of destination does not need to reconfigure the indication to allow reporting of the state of coexistence interference on the device. Without receiving the enabling indication, the function must be kept enabled in the UE.
    [0081] [0081] In addition, if the originating Node-B has already received, in the originating cell, the status information of other sub-devices that are reported by the UE, then the Node-B includes the status information obtained from other sub-devices -devices in the RRC context of the handover request message. Specifically, status information can include information about the on (in use) or off (out of use) status of other sub-devices, and can also include information for the interfering LTE frequency band (s) .
    [0082] [0082] In case the UE is allowed by default to report the coexistence interference status report on the device and the Node-B has already received, in the source cell, the status information from other sub-devices that are reported by the UE, in this step, the originating Node-B includes the status information of other sub-devices in the RRC context of the handover request message. Specifically, status information can include information about the on (in use) or off (out of use) status of other sub-devices, and can also include information for the interfering LTE frequency band (s) .
    [0083] [0083] Step 601: The destination Node-B sends a handover request acknowledgment message to the originating Node-B.
    [0084] [0084] After receiving the handover request acknowledgment message from the destination Node-B, the originating Node-B notifies the UE to start delivery. After the UE is successfully delivered to the destination cell under the destination Node-B, to ensure normal communication of multiple radio technologies in the UE, the method as shown in Figure 3 is adopted for the communication of the UE and the Node -B destination.
    [0085] [0085] According to the present description, when transmitting the permission indication of the coexistence interference status report on the device by the source cell during the handover preparation, the status information of the other sub-devices that are reported by the UE in the source cell they are additionally transmitted, so that the destination Node-B directly uses the status information of the other sub-devices, and the normal communication of the devices that adopt multiple radio technologies, and coexist, is guaranteed after delivery.
    [0086] [0086] It should be noted that if there is no direct interface between the above mentioned Node-B and the destination Node-B, the aforementioned handover preparation needs to be routed by the mobility management entity (MME - “Mobility Management Entity ”). In this case, the indication of enabling the coexistence interference status report on the device by the originating Node-B, and the status information of other sub-devices that are reported by the UE on the originating Node-B, are included in the context RRC that is included in the requested handover message sent by the originating Node-B to the MME, and also included in the handover command sent by the MME to the destination Node-B.
    [0087] [0087] Corresponding to the method of the present description, a system for implementing communication for user equipment is additionally provided, which includes a user equipment and a network. The user equipment is provided with a sub-device that adopts LTE technology and other sub-devices that adopt technologies other than LTE technology, such as a WLAN technology, Bluetooth technology.
    [0088] [0088] User equipment is configured to acquire status information from other sub-devices, except the sub-device that adopts LTE technology, and report the acquired status information to the network.
    [0089] [0089] The network is configured to carry out the management of radio resources according to the state information. The network can be a Node-B.
    [0090] [0090] The network is additionally configured to allow the user equipment to report the state of coexistence interference on the device.
    [0091] [0091] When the user equipment performs the handover and the network is a source network, the system additionally includes a destination network.
    [0092] [0092] The source network is additionally configured to report a handover request message to the destination network to which user equipment will be passed; the RRC context of the handover request message includes permission information from the source network side to allow reporting of the state of coexistence interference on the device.
    [0093] [0093] The destination network is configured to return a handover request acknowledgment message to the source network.
    [0094] [0094] The originating network is additionally configured to include in the handover request message information about the active and inactive status of other sub-devices, except the sub-device that adopts LTE technology in the user's equipment.
    [0095] [0095] The originating network is additionally configured to include in the handover request message information about the interfering LTE frequency band (s).
    [0096] [0096] The above descriptions are only preferred embodiments of the present description, and are not provided to limit the scope of protection of the description. Any modifications, equivalent substitutions and improvements within the description principle must be included within the scope of protection of the description.
    权利要求:
    Claims (17)
    [0001]
    Method for implementing communication for user equipment, characterized by understanding: - enable, through the network, the user equipment to report the status information of other sub-devices, except for a sub-device that adopts Long Term Evolution technology; the sub-device adopting the long-term evolution technology and the other devices being inside the user equipment; - report, through the user equipment, to the network the status information of the other sub-devices except one sub-device that adopts the long-term evolution technology; and - perform, through the network, the management of radio resources according to the state information in order to suppress the coexisting interference in the device between the sub-device that adopts the long-term evolution technology and the other sub -devices, the state information comprises information about the active or inactive state of the other sub-devices except for the sub-device that adopts the long-term evolution technology in the user equipment.
    [0002]
    Method, according to claim 1, characterized by the enabling, by the network, of the user equipment to report the status information of other sub-devices, except the sub-device that adopts the Long Term Evolution technology, comprising: - send, through the network, the enabling information in a Radio Resource Control connection reconfiguration message, the enabling information being for instructing the user equipment to report the status information of other sub-devices inside the user equipment, except for the sub-device that adopts the Long Term Evolution technology; or, - send, through the network, the enabling information in a Radio Resource Control connection configuration message; or - send, through the network, the enabling information in a new Radio Resource Control message.
    [0003]
    Method according to claim 1, further characterized by comprising: - acquire, by the user's equipment, the status information of other sub-devices, except the sub-device that adopts the Long-Term Evolution technique, which comprises: - acquire, through the sub-device that adopts the Long Term Evolution technology, the status information through an inter-radio interface or a control device in the user equipment.
    [0004]
    Method according to claim 1 or 3, characterized in that the status information additionally comprises the information about Long Term Evolution frequency bands with interference.
    [0005]
    Method according to claim 1 or 3, characterized in that the status information additionally comprises information on additional measurement results.
    [0006]
    Method according to claim 5, characterized in that the information on additional measurement results is: - the measurement results of all neighboring cells, for all configured measurement tasks, already fulfill the measurement reporting conditions of the respective measurement task and are saved in a cell activation list corresponding to the respective measurement task; or, - the measurement results of the N strongest neighboring cells, for all configured measurement tasks, already fulfill the measurement reporting conditions of the respective measurement task and are saved in a cell activation list corresponding to the respective measurement task, where N is a predefined value for the network and user equipment.
    [0007]
    Method according to claim 1, characterized in that the reporting of status information to the network comprises: - report status information to the network by including status information in an expanded proximity indication message; or - report status information to the network by including status information in an expanded complete Radio Resource Control connection configuration message; or - report status information to the network by including the status information in an expanded full Radio Resource Control connection reconfiguration message; or - report status information to the network by including status information in a new Radio Resource Control message.
    [0008]
    Method, according to claim 1, characterized in that the realization, through the network, of the management of radio resources according to the state information, comprises: the realization of the connection mobility control, according to the information of state.
    [0009]
    Method according to claim 8, characterized in that the realization, through the network, of the connection mobility control according to the state information, comprises: - perform operations according to the active or inactive status of other sub-devices displayed by the received status information, which include: when the user equipment does not work on Band40 / Band7, the network does not transfer the user equipment to Band40 / Band7 when to make the handover decision; or, - reduce the time to trigger a measurement report in the measurement settings or reconfigure a trigger threshold in the measurement settings.
    [0010]
    Method according to claim 8, characterized in that the status information further comprises information about an interfered Long Term Evolution frequency band; the realization, through the network, of the connection mobility control according to the state information comprises: the performance of the following operations according to the information about the active or inactive state of the other sub-devices and the information about the interfering Long-Term Evolution frequency band: when the information about the interfering Long-Term Evolution frequency band is Band40-UP: when the user equipment works in the frequency band below Band40, the network determines that the user equipment is not subject to coexistence interference on the device, so that operations are not necessary; or, when the user equipment works in a multiport state, a primary server cell works in the frequency band below Band40, and one or more secondary server cells work in the frequency band above Band40, the network disables or excludes one or more server cells secondary; or, when the user equipment works in a single carrier state, and in the frequency band above Band40, the network passes the user equipment to the frequency band 80M below Band40; and when the information about the interfered Long Term Evolution frequency band is Band40-all, which means that the entire Band40 frequency band is interfering, the following operations are performed according to the information about the active or inactive state of the other sub-devices shown by the status information: when the user equipment does not work on the Band40 / Band7, the network does not transfer the user equipment to the Band40 / Band7 when making a handover decision; and reduce the time to trigger a measurement report in the measurement settings or reconfigure a trigger threshold in the measurement settings.
    [0011]
    Method according to claim 8, characterized in that the status information further comprises information on additional measurement results; and the realization, through the network, of the connection mobility control according to the information comprises: when the user equipment works on the Band40 / Band7, the network performs the handover decision according to the information on the additional measurement results reported by the user equipment and passes the user equipment to a neighboring cell indicated by the information on results of additional measurements.
    [0012]
    Method for implementing handover for user equipment, characterized by understanding: - enable, through an originating network, the user equipment, the user equipment to report the status information of other sub-devices, except for a sub-device that adopts Long Term Evolution technology, being that the sub -device that adopts Long Term Evolution technology and other sub-devices are within the user's equipment; - send, through an originating network, a handover request message to the destination network to which the user equipment will be passed, and the Radio Resource Control context of the handover request message includes the enabling information about the home network allowing the user equipment to report status information for other sub-devices, except for the sub-device that adopts Long Term Evolution technology; and the handover request message includes information about the active or inactive status of the other sub-devices, except for the sub-device that adopts the Long Term Evolution technology in the user's equipment; - return, through the destination network, a handover request acknowledgment message to the destination network; - receive, through the destination network, the status information of the other sub-devices, except the sub-device that adopts the Long Term Evolution technology reported by the user's equipment; and - carry out, through the destination network, the management of radio resources according to the state information in order to suppress the coexistence interference in the device between the sub-device that adopts Long Term Evolution technology and the other sub -devices.
    [0013]
    Method according to claim 12, characterized in that the handover request message additionally includes information about the frequency bands of Long Term Evolution with interference.
    [0014]
    System for implementing communication for user equipment, able to implement a method as defined in claims 1 or 12, characterized by comprising user equipment and the network, with the user equipment being provided with a sub-device that adopts Long Term Evolution technology, and other sub-devices that adopt technologies other than Long Term Evolution technology; being that, the network is configured to enable the user equipment to report the status information of the other sub-devices, except the sub-device that adopts the Long Term Evolution technology, and the status information comprises the information about the active or inactive state of other sub-devices, except the sub-device that adopts the Long Term Evolution technology in the user's equipment; being that the user equipment is configured to acquire the status information of other sub-devices, except the sub-device that adopts the Long Term Evolution technology, and to report the acquired status information to the network; and the network is still configured to manage radio resources according to the state information in order to suppress the coexistence interference in the device between the sub-device that adopts the Long Term Evolution technology and the others sub-devices; being that, the network is a Node-B; and the sub-device adopting the Long Term Evolution technology and other sub-devices are within the user equipment.
    [0015]
    System, according to claim 14, further comprising the destination network when the user equipment performs the handover, and the network is the source network; characterized by, the originating network is additionally configured to send a handover request message to the destination network to which the user equipment will be passed; the Radio Resource Control context of the handover request message includes the enabling information from the source network to enable the user equipment to report status information from other sub-devices, except the sub-device that adopts the technology Long Term Evolution; and the destination network is configured to return a handover request acknowledgment message to the source network.
    [0016]
    System according to claim 15, characterized in that the network is additionally configured to include in the handover message information about the active or inactive status of other sub-devices in the user equipment, except for the sub-device that adopts the technology of Long Term Evolution.
    [0017]
    System according to claim 16, characterized in that the destination network of origin is additionally configured to include in the handover request message the information about the frequency bands of Long Term Evolution with interference.
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    同族专利:
    公开号 | 公开日
    JP5653520B2|2015-01-14|
    CN103004256A|2013-03-27|
    KR20130036315A|2013-04-11|
    EP2605580A1|2013-06-19|
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    US20130137435A1|2013-05-30|
    JP2013536634A|2013-09-19|
    EP2605580B1|2020-06-24|
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    法律状态:
    2019-01-15| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-02-27| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-03-03| B15K| Others concerning applications: alteration of classification|Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04W 28/16 , H04W 88/06 Ipc: H04J 11/00 (2006.01), H04L 27/00 (2006.01), H04W 3 |
    2021-03-09| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-04-06| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 06/04/2021, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    PCT/CN2010/076000|WO2012019369A1|2010-08-13|2010-08-13|Method and system for communicaion implementation for terminal device|
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