专利摘要:
method and apparatus for transmitting a short message in an evolved package system that provides an interoperability function through mobility management entity and short message call center. the present invention relates to a core network for the transmission of a short message in a mobile network with radio access system with evolved packet (eps), the core network providing an sms over sgs functionality, the core network further comprising a mobility management entity (mme) and a call center for short message (smsc), and the core network further comprising the unit providing an interoperability function (iwf) for the control of short messages so that the call center mobile activation (msc) is avoided in relation to the transmission and/or receipt of short messages regarding the user equipment (ue) that has a data connection in the mobile communication network of the system with evolved packet (eps), a direct communication it is provided between the mobility management entity (mme) and the short message service center (smsc) through the interoperability function (iwf).
公开号:BR112012002217B1
申请号:R112012002217-2
申请日:2010-07-29
公开日:2021-07-13
发明作者:Karl-Heinz NENNER;Dieter Jacobsohn
申请人:Deutsche Telekon Ag;
IPC主号:
专利说明:

BACKGROUND
[0001] The present invention relates to a Core Network for the transmission of a short message in a System with Evolved Packet, in which the Core Network comprises a Mobile Switching Center (MSC) according to a standard network with radio access GE-RAN/UTRAN (GSM/UMTS mobile telecommunication network). The present invention further relates to a method for controlling a short message in such a mobile network with radio access from the Evolved Packet System (EPS), in the Unit that provides an Interoperability Function (IWF), in the Short Message Service Center (SMSC), the Mobility Management Entity (MME) and the program comprising computer readable program code.
[0002] In order to provide SMS functionality to a User Equipment (UE) that has a data connection to a mobile telecommunication network of the Evolved Packet System (EPS), it is suggested to use - or so-called solutions "native", that is, the transport of short messages using only Packet Switched Core Network (PS) entities (or "SMS via EPS"), -- or a so-called Circuit Switched Contingency (CSFB) solution. The introduction of a native short message service solution in the Evolved Packet System (EPS) (SMS via EPS) was not retained within the 3GPP standardization process. Alternatively, a native Evolved Packet System (EPS) solution for the transport of short messages must at least partially use Circuit Switched (CS) entities or components of the Core Network. Here further, such use of Circuit Switched (CS) entities or components of the Core Network, also called Circuit Switched (CS) contingency solutions. A Circuit Switched Contingency (CSFB) solution supports not only the SMS (Short Message Service) service, but also its primary target, voice service. The mechanism for voice support must revert to a GERAN/UTRAN cell (second/third generation network cell) that supports circuit switched voice communication (CS voice) when the User Equipment (UE) receives or want to make a voice call. For Switched Circuit Contingency (CSFB) to work, a major alignment between the switched circuit (CS) Local Areas (LA) and the Evolved Packet System (TA) Tracking Areas needs to be managed and configured on the network, based on the current coverage areas of the cells that belong to the Local Areas (LAs) or the Tracking Areas (TAs), respectively. Circuit Switched Contingency (CSFB) is considered an interim solution during the migration towards IMS voice.
[0003] There are obvious reasons why Circuit Switched Contingency (CSFB), in its original form (ie also involving the Circuit Switched (CS) voice service), is not very suitable for SMS. For example, the rollback of a circuit switched (CS) capable of accessing at any time a short message that must be sent or received appears to be a large excess and could break the Evolved Packet System (EPS) data connection of the User Equipment (UE) whenever User Equipment (UE) needed to move to GERAN (second generation wireless access mobile network). For this reason, it is suggested to extend the Switched Circuit Contingency (CSFB) to allow the sending and receiving of short messages through the EPS's Mobility Management Entity (MME) rather than backtracking on the GERAN (2G) functionality or UTRAN (3G) (ie, performing a full contingency on the Circuit Switch functionality of the (CS)). In the end, the SGs interface between the Mobility Management Entity (MME) and the Mobile Switching Center (MSC), which is needed in Circuit Switched Contingency (CSFB) in order to both create and maintain the link of the Equipment of the User with Mobile Switching Center (MSC) for Equipment of a User (UE) connected or who is requesting a connection to the Evolved Packet System (EPS) and to perform calls to a mobile termination connection, also extended permission for the transfer of short messages to and from a UE is allowed. In accordance with ETSI TR 21.905 V8.8.0, the term MME means Mobile Management Entity; per TS23.401, V8.6.0 this term means Mobility Management Entity; hereafter, the term Mobility Management Entity is used.0
[0004] With such an approach, the entire Switched Circuit Contingency (CSFB) - that is, including voice support - must be deployed in an operator's network even when only SMS support is desired by the User Equipment ( HUH). Therefore, even an SMS-only target for Switched Circuit Contingency (CSFB) comes with the inherent disadvantage of having to "upgrade" (upgrade) all MSCs and closely align local areas ( LAs) of the network components of the circuit switched (CS) with the System with Tracking Areas (TAs) of the Evolved Packet (EPS) as this is necessary for a proper association of the Mobility Management Entity (MME) with o Mobile Switching Center (MSC) by User Equipment (UE) of Circuit Switched Contingency (CSFB). With another Switched Circuit Contingency (CS) solution the so-called "SMS via SGs" solution within the 3GPP (Third Generation Partnership Project) (as defined in document S2-094958 of the 3GPP technical operating group SA2) , an SGs interface is only used to establish and maintain the association between the Mobility Management Entity (MME) and the Mobile Switching Center (MSC), and to transfer the short messages. All necessary functionality for voice is eliminated, and a contingency for a CS access does not happen (to provide only SMS functionality) as short messages are relayed between the MSC and the UE via the MME using the interface SGs. To enable this solution, UE can be linked to CS system for SMS support only. However, this solution still has the disadvantage that a modified MSC is required. SUMMARY
[0005] An objective of the present invention is to provide a Core Network for the transmission of a short message in an Evolved Packet System (EPS), in which the Core Network especially comprises a Mobile Switching Center (MSC) according to a standard network with radio access GERAN/UTRAN (GSM/UMTS communication mobile network) and in which especially a standard functionality according to, for example, a GERAN network of Mobile Switching Centers (MSC) can be used. In this way, the entities and components of the Circuit Switched (CS) of the Core Network are used to transport short messages. Another objective of the present invention is to provide a method for controlling a short message in such a mobile network with Evolved Packet System (EPS) radio access, a Unit providing an Interoperability Function (IWF), a Call Center for Short Message (SMSC), a Mobility Management Entity (MME) and a program comprising computer-readable program code, enabling standard Mobile Switching Centers (MSC) functionality in accordance with, for example, a GE-RAN network.
[0006] The objective of the present invention is achieved through the Core Network for the transmission of a short message in a mobile communication network of the Evolved Packet System (EPS), the Core Network providing an SMS on the SGs functionality, the Network Core comprising the Mobility Management Entity (MME) and a Short Message Service Center (SMSC), and the Core Network further comprising a unit that provides an Interoperability Function (IWF) for the control of short messages so that in regarding the transmission and/or receipt of short messages with respect to a User Equipment (UE) that has a data connection in the System with the Evolved Packet (EPS) mobile communication network, a direct communication is provided between the Mobility Management Entity (MME) and the Short Message Service Center (SMSC) through the Interoperability Function (IWF).
[0007] This means that no involvement of a Mobile Switching Center (MSC) is required.
[0008] According to the present invention, it is thus advantageously possible that a complete reuse of the existing interfaces, especially the Mobile Switching Center (MSC) interfaces, is possible and that no modification of any existing network element is required due to the improved functionality, as all functionality of the SMS service to the Equipment of a User connected to the Evolved Packet System (EPS) resides within the unit providing the Interoperability Function (IWF). Furthermore, a simpler implementation of such functionality is possible according to the present invention compared to the "SMS via SGs" solution suggested within the framework of 3GPP.
[0009] According to a preferred embodiment of the present invention, the Core Network comprises a Mobile Switching Center (MSC) according to a GERAN/UTRAN radio access network standard (GSM/GSM mobile communication network). UMTS), in which the Interoperability Function (IWF) for the control of short messages is provided so that the Mobile Switching Center (MSC) is avoided in relation to transmitting and/or receiving short messages regarding the Equipment of a User (UE) that has a data connection in the mobile communication network of the Evolved Packet System (EPS).
[00010] According to the present invention, it is advantageous that no interface or interface modification in the other Mobile Switching Centers (MSC) (or that combinations of such Visitor Location Registers (VLRs)) are required.
[00011] According to the present invention, an implementation of a Short Message Service (SMS) functionality, especially through the SGs interface, is provided by defining an Interoperability Function (IWF) that provides only the necessary functionality (for SMS service). Advantageously, it avoids arguing about the existing Mobile Switching Centers (MSC basis).
[00012] According to the present invention, it is advantageously possible to integrate an SMS functionality with an Evolved Package System (EPS) in a simpler way than that previously known, that is, specifying an Interoperability Function (IWF) for the necessary functions rather than forcing an upgrade of all Mobile Switching Center (MSC) units. The functionality of the Interoperability Function (IWF) is much less than a fully fledged Mobile Switching Center (MSC); in essence, Function Interoperability (IWF) has only minimal functions of a Mobile Switching Center (MSC) on top of which would have to be added to a Mobile Switching Center (MSC) in order to support SMS via SGs. Other full functionality simplifications can be achieved when integrating the Interoperability Function (IWF) within the Mobility Management Entity (MME) (eg no need for a deviation of the number of VLR and SGs interface) or within the Short Message Service Center (SMSC) (eg no need for an "updating" of the Local Subscriber Server (HSS) local area and the MAP interface towards the Short Message Service Center ( SMSC)).
[00013] According to a preferred embodiment of the present invention, the Core Network provides an SMS functionality to the User Equipment (UE) that has a data connection in the mobile communication network of the Evolved Packet System (EPS), in which SMS control is provided in a non-native way with respect to the Evolved Packet System (EPS).
[00014] According to a preferred embodiment of the present invention, the unit that provides the Interoperability Function (IWF) is an intermediate unit that has an SGs interface with a Mobility Management Entity (MME) and an interface with the Center Short Message Answering (SMSC) as defined in clause 4.2 in TS23.040 (clause 4.2 "Transfer at reference point 3" in accordance with 3GPP TS 23.040 version 8.5.0). In the context of the present invention, such an interface is hereinafter also called an "SMSC-interface". Such interface (or SMSC interface) can, for example, be realized through a MAP interface (Partial with Mobile Application according to TS29.002), however, other realizations are also possible according to TS23.040.
[00015] Thus, it is advantageously possible according to the present invention that the Interoperability Function (IWF) is implemented as an independent element, which could then be centralized if so desired by the Operator. This deployment can be viewed as a reduced function of the MSC, limited to the minimum functionality to support SMS service via SGs by UEs in EPS. The Interoperability Function (IWF) would expose the SGs interface towards the Mobility Management Entity (MME) as well as the D interface towards the Local Subscriber Server (HSS) and the interface towards the Short Message Service Center (SMSC) in the same way as a normal MSC, although no functionality or interface required to support voice (eg towards a BSC/RNC or MGW) exists.
[00016] According to a further preferred embodiment of the present invention, the unit providing the Interoperability Function (IWF) is integrated into the Mobility Management Entity (MME), which has an SMSC interface with the Message Call Center Short (SMSC).
[00017] Thus, it is advantageously possible according to the present invention that through the integration of the Interoperability Function (IWF) within the MME, a truly "native" SMS solution in the EPS is possible to be achieved. Although the interfaces towards the Local Subscriber Server (HSS) and the Short Message Service Center (SMSC) were then exposed by this "integrated MME", all SG interactions would be internal to this integrated node (ie, integrated MME). TS23.040 (clause 4.2 "Transfer at reference point 3" according to 3GPP TS 23.040 version 8.5.0).
[00018] Still according to an additional preferred modality of the present invention, the unit that provides the Interoperability Function (IWF) is integrated in the Call Center for Short Message (SMSC) which has an SGs interface with the Enti Mobility Management (MME).
[00019] Thus, it is advantageously possible according to the present invention that through the integration of the Interoperability Function (IWF) within the Short Message Call Center (SMSC), the need for VLR functionality and, therefore, , the need for signaling with the Local Subscriber Server (HSS), is eliminated. This "built-in SMSC" only needs the SGs interface - that is, no Local Subscriber Server Interface (HSS), although SMS-specific interactions between a normal MSC and the Short Message Service Center (SMSC) are internal in the "integrated SMSC". This is the most preferred embodiment of the present invention due to cost savings.
[00020] The present invention also relates to a method for controlling a short message in a mobile telecommunication network of the Evolved Packet System (EPS), the method comprising the steps to: - link a Equipment of the User (UE) to the parts of the circuit switched network, the parts of the circuit switched network comprising a Mobile Switching Center (MSC) according to a GERAN/UTRAN radio access network standard (GSM/UMTS mobile communication network) ), and User Equipment (UE) that owns or requests a data connection to the Evolved Packet System (EPS) radio access mobile network, - transmit the short message using the unit providing an Interoperability Function (IWF) for short message control so that the Mobile Switching Center (MSC) is avoided in relation to transmitting and/or receiving short messages.
[00021] It is thus advantageously possible that a complete reuse of existing interfaces, especially the Mobile Switching Center (MSC) interfaces as used by SMS, if possible and that no modification of any existing network element is required.
[00022] The present invention also relates to a Unit that provides an Interoperability Function (IWF) for the control of short messages in a system with Evolved Packet communication mobile network (EPS) that has a Core Network, the Network Core comprising a Mobile Switching Center (MSC) according to a GERANUTRAN radio access network standard (GSM/UMTS mobile communication network), the Core Network further comprising a Mobility Management Entity (MME) and a Short Message Service Center (SMSC), in which the unit providing the Interoperability Function (IWF) is an intermediate unit that has an SGs interface with the Mobility Management Entity (MME) and an SMSC interface with the Short Message Call Center (SMSC) as specified in clause 4.2 of TS23.040 (clause 4.2 "Transfer at reference point 3" according to 3GPP TS 23.040 version 8.5.0), in which message control short is done so that the Mobile Switching Center (MSC) is avoided in relation to the transmission and/or receipt of short messages regarding the User Equipment (UE) that has a data connection in the mobile network with radio access from the Packet System Evolved (EPS).
[00023] In addition, the present invention refers to a Short Message Service Center (SMSC) that has an integrated unit that provides an Interoperability Function (IWF) for the control of short messages in a system with mobile network of Evolved Packet (EPS) communication having a Core Network, the Core Network comprising a Mobile Switching Center (MSC) according to a GERANUTRAN radio access network standard (GPRS/EDGE/UMTS mobile communication network) , the Core Network still comprising the Mobility Management Entity (MME), in which the unit that provides the Interoperability Function (IWF) has an SGs interface with the Mobility Management Entity (MME), in which the control of short messages is done so that the Mobile Switching Center (MSC) is avoided in relation to the transmission and/or receipt of short messages regarding the User Equipment (UE) that has a data connection in the mobile network with access v ia the Evolved Packet System (EPS) radio.
[00024] The present invention also relates to a Mobility Management Entity (MME) that has an integrated unit that provides an Interoperability Function (IWF) for the control of short messages in a system with a mobile communication network of the Evolved Packet (EPS) which has a Core Network, the Core Network comprising a Mobile Switching Center (MSC) according to a GERAN/UTRAN radio access network standard (GSM/UMTS mobile communication network), the Core Network also comprises a Short Message Service Center (SMSC), in which the unit providing the Interoperability Function (IWF) has an SMSC interface with the Short Message Service Center (SMSC) as per specified in clause 4.2 of TS23.040 (clause 4.2 "Transfer at reference point 3" according to 3GPP TS 23.040 version 8.5.0), in which the control of short messages is done so that the Mobile Switching Center (MSC) is avoided in relation to transmission tion and/or receipt of short messages regarding the User Equipment (UE) that has a data connection in the mobile network with radio access from the Evolved Packet System (EPS).
[00025] Furthermore, the present invention relates to a program comprising a computer readable program code for controlling the Unit that provides an Interoperability Function (IWF) for the control of short messages in a system with Evolved Packet communication access network (EPS), a Short Message Call Center (SMSC) and/or to control the Mobility Management Entity (MME) in accordance with the present invention.
[00026] Through a complete reuse of existing interfaces, especially Mobile Switching Center (MSC) interfaces as used by SMS, in accordance with the present invention, no modification of any existing network element is required.
[00027] These and other characteristics, aspects and advantages of the present invention will be apparent from the following description of the cut, considered in conjunction with the attached drawings, which illustrate, by way of example, the principles of the invention. Description is given only to provide an example, without intending to limit the scope of the invention. The referenced figures mentioned below refer to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[00028] Figures 1, 5 and 9 schematically illustrate the procedure for linking a User Equipment to a System with Evolved Package (EPS), the control of a mobile-originated short message and the control of a short message terminated in a mobile way according to the known suggestion made within the framework of 3GPP.
[00029] Figures 2 to 4 schematically illustrate the procedure for linking a User Equipment to a System with Evolved Package (EPS) according to three different modalities of the present invention.
[00030] Figures 6 to 8 schematically illustrate the control of a mobile-originated short message according to three different embodiments of the present invention.
[00031] Figures 10 to 12 schematically illustrate the control of a mobile terminated short message according to three different embodiments of the present invention.
[00032] Figures 13 to 15 schematically illustrate the network configuration according to three different embodiments of the present invention. DETAILED DESCRIPTION
[00033] The present invention will be described with respect to particular embodiments and with reference to certain drawings, but the invention is not limited thereto, but only to the embodiments. The drawings described are only schematic and are not limiting. In the drawings, perhaps the size of some elements is enlarged and not drawn to scale for illustrative reasons.
[00034] Where a definite or indefinite article is used when referring to a singular noun, for example, "a", "an", "the", "a", includes the plural of that noun, unless something else is specifically stated.
[00035] In addition, the terms first, second, third and similar in the description and in the embodiments are used to distinguish between similar elements and not necessarily to describe a sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and that embodiments of the invention described herein are capable of operating in sequences other than those described or illustrated herein.
[00036] In Figure 1, the procedure of linking a User Equipment (UE) to an Evolved Package System (EPS) according to the well-known "SMS via SGs" solution made within the 3GPP structure is shown from schematic mode. A first step of the linking procedure, called AT1, corresponds to the linking request from the User Equipment (UE) towards the Mobility Management Entity (MME). A second step of the binding procedure, designated by AT2, corresponds to steps 2 to 17 of the binding procedure specified in TS 23.401 (figure 5.3.2.1-1: "Binding procedure" according to the document " 3GPP TS 23.401 version 8.6.0"). A third step in the linking procedure, called AT3, is the derivation of the Visitor Location Register (VLR) number. A fourth step of the linking procedure, designated AT4, corresponds to the Mobility Management Entity (MME) which sends a Location Update Request to the Mobile Switching Center/Visitor Location Recorder (MSC/VLR). A fifth step of the linking procedure, called AT5, corresponds to the creation of an association of SGs. A sixth step of the binding procedure, called AT6, corresponds to an update of the Location in the circuit switched domain. A seventh step of the linking procedure, designated AT7, corresponds to the Mobile Switching Center/Visitor Location Recorder (MSC/VLR) which sends a Location Update Acceptance to the Mobility Management Entity (MME) . An eighth step of the binding procedure, designated by AT8, corresponds from steps 18 to steps 26 of the binding procedure specified in TS 23.401 (figure 5.3.2.1-1: "Binding procedure" according to the document "3GPP TS 23,401 version 8.6.0").
[00037] This means that the User Equipment (UE) must perform a blended binding (ie it must bind to both the Evolved Packet System (EPS) and the Circuit Switched System (CS)). For SMS only, the binding procedure is limited either by the User Equipment (UE) which requests binding to the MSC/VLR for SMS only, or by the network which returns acceptance for SMS only. When the linking procedure is performed for SMS only, the third step of the AT3 linking procedure is the specific implementation of the Mobility Management Entity (MME) and does not need to take into account the Reported Identity of the Tracking Area of the EU (TAI). In addition, the Location Area Identity (LAI) returned to the User Equipment (UE) need not match a current Location Area Identity (LAI) used in the CS network.
[00038] According to a first modality of the present invention, the Mobile Switching Center/Visitor Location Recorder (MSC/VLR) is replaced by the unit providing the Interoperability Function (IWF). This is shown in Figure 2, ie the linking procedure when the unit provides the Interoperability Function (IWF) is an independent entity. It is easily conceivable that there is logically only one Interoperability Function (IWF) in the network so that the third step AT3 becomes a simple, pre-configured address book. The functions of the Interoperability Function (IWF) in relation to the SGs interface with the Mobility Management Entity (MME) and the D interface with the Local Subscriber Server (HSS) are the same as in Figure 1; however, the Interoperability Function (IWF) does not need to have any other functionality of a Mobile Switching Center (MSC).
[00039] If there is only one logical Interoperability Function (IWF) in the network, updating the CS location in the sixth step AT6 would not be strictly necessary, for the same reasons described with respect to figure 4 ("IWF integrated in SMSC" or in the third mode). However, dispensing with the location update in the first mode would require specific changes to the Call Center (not otherwise affected) for short message (SMSC) such as: - the ability to attempt SMS sending via the Simple Interoperability Function (IWF) without asking the HSS for the UE location information (eg serving MSC/VLR), and - the ability to attempt to send SMS towards a Mobile Switching Center/Visitor Location Recorder (MSC/ VLR) based on a Local Subscriber Server (HSS) query when sending via the Interoperability Function (IWF) fails, - optionally, an algorithm that controls and improves the sequence in which SMS send attempts described above are performed.
[00040] According to the second modality of the present invention, represented in relation to the binding procedure of figure 3, the Interoperability Function (IWF) is integrated in the Mobility Management Entity (MME). The derivation of a VLR number in the third step AT3 is not necessary at all, and the fourth and fifth steps AT4, AT5 take place internally in the combined MME/IWF; that is, there are no SGs interface. Here, it is necessary to perform the AT6 sixth step location update towards the Local Subscriber Server (HSS) as well as it is necessary to the SMS Gateway Mobile Switching Center (SMS-GWMSC) in order to locate the Equipment User (UE) for mobile terminated SMS (as shown below).
[00041] According to the third modality of the present invention, the Interoperability Function (IWF) is integrated within the Short Message Call Center (SMSC). In this case, derivation of a VLR number in the third step AT3 is not necessary, as there is typically only one Short Message Call Center (SMSC) in the network - in other words, the "derivation" degenerates to a simple pre-configuration (as already indicated in relation to figure 2 or the first modality) where this is also possible with a simple Logic Interoperability Function (IWF) in the network). As an important difference in the scenario according to the second modality of the present invention, it is not necessary to perform the location update (sixth step AT6) of the CS domain; this is only necessary for the SMSC Gateway MSC to meet the EU Visitor Location Register (VLR) when a short completion message is to be sent, which is not required when the IWF is integrated within the SMSC ( as shown below with respect to figures 10 through 12). As a result, there is only the SGs interface between the Mobility Management Entity (MME) and IWF/SMSC combined, although the SMSC interface according to clause 4.2 of TS23.040 (clause 4.2 "Transfer at reference point 3" according to 3GPP TS 23.040 version 8.5.0) is internal in combined IWF/SMSC. Tracking Area Update
[00042] When the User Equipment (UE) performs an update of the Tracking Area (TA) / Location Area (LA) of the System with Evolved Package (EPS), the scenarios are equivalent to the linkage scenarios or procedures described above . In accordance with the present invention, similar simplifications occur in signaling, in the function "derived from Visitor Location Register (VLR) number" and in relation to Local Subscriber Server (HSS) signaling. Additionally, the SGs interface is not required when the Interoperability Function (IWF) is embedded in the Mobility Management Entity (MME), and no signaling with the Local Subscriber Server (HSS) is required by the same circumstances in the Linking scenarios described above.
[00043] The Interoperability Function (IWF) is not required to retrieve any aspect of the User Equipment (UE) Mobility Management (MM) context from the old Mobile Switching Center/Visitor Location Recorder (MSC /VLR) when the UE performs a 2G or 3G Internal Tracking Area Update (TAU). It is also necessary for the Interoperability Function (IWF) to retrieve any old Interoperability Function (IWF) information in the event of a change to the Interoperability Function (IWF), even though the User Equipment (UE) moves inwards. from the Web.
[00044] In situations where the Interoperability Function (IWF) may not perform CS location update with Local Subscriber Server (HSS), the old Mobile Switching Center/Visitor Location Register (MSC/VLR) remains stored in the Local Subscriber Server (HSS) when the User Equipment (UE) moves from the GERAN/UTRAN, where it is serviced by a Mobile Switching Center/Visitor Location Register (MSC/VLR) within the Evolved Packet System (EPS) where it is served only for SMS through the Interoperability Function (IWF) according to the present invention. The UE location will also not be canceled at the old Mobile Switching Center/Visitor Location Recorder (MSC/VLR). This is, however, dispensable from the perspective of SMS support since: - the Short Message Service Center (SMSC) will not make use of the Mobile Switching Center/Visitor Location Recorder (MSC/VLR) information from the Local Subscriber Server (HSS) for sending SMS via the Interoperability Function (IWF) according to the present invention, - the Short Message Call Center (SMSC) can use the Mobile Switching Center/Recorder of the Visitor Location (MSC/VLR) Local Subscriber Server (HSS) information for sending SMS via Mobile Switching Center/Visitor Location Recorder (MSC/VLR) when sending via the Interoperability Function ( IWF) fails, - when sending SMS via the old Mobile Switching Center/Visitor Location Recorder (MSC/VLR) fails, normal 3GPP error procedures will be executed.
[00045] According to the present invention, other location pendant applications will prefer the System with Evolved Packet location information (EPS) over circuit switched (CS) location information in order to avoid the failure of your location services due to the fact that the Mobile Switching Center/Visitor Location Recorder (MSC/VLR) stored in the Local Subscriber Server (HSS) may be obsolete. In case of an incoming CS call, the network would still try to send the call through the old Mobile Switching Center (MSC).
[00046] Failure to send SMS via Mobile Switching Center/Visitor Location Recorder (MSC/VLR), or call termination attempts, will indicate to the network that the UE is no longer reachable through the Center obsolete Mobile Switching/Visitor Location Recorder (MSC/VLR) conforming to standard 3GPP functionality. Location Area Update
[00047] According to the present invention, there is no change in the location update or in the Tracking Area (TA)/Combined Location Area (LA) update procedure defined in the 3GPP. However, it may be possible for the new Mobile Switching Center/Visitor Location Recorder (MSC/VLR) to retrieve User Equipment (UE) Mobility Management (MM) context information from the old Center Switching Mobile/Visitor Location Recorder (MSC/VLR), the latter being in fact an Interoperability Function (IWF) according to the present invention. Which is no problem, as the 3GPP standards specify the behavior of the system to recover from this situation, as it can happen anyway in the 2G/3G system at any time.
[00048] In distributions where the Interoperability Function (IWF) does not perform signaling with the Local Subscriber Server (HSS), it may not be informed also when the User Equipment (UE) moves to a "real" Switching Center Mobile/Visitor Location Recorder (MSC/VLR), eg during Location Area (LA) update or Combined Routing Area (RA)/Location Area (LA) update. Then the Short Message Service Center (SMSC) will keep trying to send the short termination messages through the Interoperability Function (IWF), which will fail. Therefore, the Short Message Service Center (SMSC) should be able to attempt to send the SMS either through the Interoperability Function (IWF) or through the Mobile Switching Center/Visitor Location Recorder (MSC/VLR) retrieved from the Local Subscriber Server (HSS). The order of priority of the two routes can then depend on the most recent short messages and/or sending failures via a particular route or other algorithm. Separation Procedure
[00049] The scenarios for the Separation Procedure work in the same way as the Binding, with the same differences and simplifications compared to the known procedure according to figure 1, depending on which modality of the present invention is used. SMS control
[00050] It should be noted that a typical Short Message Service Center (SMSC) product encompasses Service Center (SC), SMS-IWMSC (SMS Interoperability Mobile Switching Center (MSC)), and SMS functions -GWMSC (SMS Gateway Mobile Switching Center (MSC)). Therefore, message exchange between SMS-IWMSC/SMS-GWMSC and SC is usually internal to the Short Message Service Center (SMSC). Note that SMS-IWMSC is only applicable in the Mobile Originated (MO) case, while SMS-GWMSC is only applicable in the Terminated Mobile (MT) case, which is reflected in figures 5 to 12. All these figures show just stream for SMS transfer. It is a prerequisite that the UE binds or performs an internal and combined update in the Tracking Area (TA)ZLocation Area (LA) of the Evolved Packet System (EPS), as described above, before any SMS transfer can occur . The association between the Mobility Management Entity (MME) and the Interoperability Function (IWF) for a User Equipment (UE) is created during User Equipment (UE) linking or Tracking Area (TA) update /Location Area (LA). Mobile Source SMS Case (MO)
[00051] In the case of Mobile Origination (MO), there is an SMS-IWMSC function - usually implemented in the Short Message Service Center (SMSC) - which receives the short messages from the network via an SS7/MAP signaling interface. The procedure according to the 3GPP standard is shown in figure 5.
[00052] In a first step of the Originated Mobile (MO) procedure, designated as MO1, the Mobile Station (MS) or User Equipment (UE) sends a Service Request towards the Mobility Management Entity (MME). A second step of the MO procedure, called MO2, is the sending of information about the NAS Transport of an Uplink User Equipment (UE) to the Mobility Management Entity (MME). A third step of the MO procedure, called MO3, corresponds to the Mobility Management Entity (MME) which sends information about the unit data of an Uplink to the Mobile Switching Center/Visitor Location Recorder (MSC/VLR ). A fourth step of the MO procedure, designated as MO4, corresponds to the Mobile Switching Center/Visitor Location Recorder (MSC/VLR) forwarding the short message to the SMS-IWMSC of the Short Message Service Center (SMSC) . A fifth step of the MO procedure, designated as MO5, corresponds to the transfer of a message from the SMS-IWMSC to the SC of the Call Center for Short Message (SMSC) and a sixth step of the MO procedure, called MO6, corresponds to the sending of a Submission report from the SC to the SMS-IWMSC of the Short Message Service Center (SMSC). A seventh step of the MO procedure, designated as MO7, is the sending of the Short Message Service Center (SMSC) Submission report to the Mobile Switching Center/Visitor Location Recorder (MSC/VLR). An eighth step of the MO procedure, designated as MO8, corresponds to the Mobility Management Entity (MME) receiving a Downlink Data Unit from the Mobile Switching Center/Visitor Location Recorder (MSC/VLR). A ninth step of the MO procedure, called MO9, corresponds to the User Equipment (UE) receiving information about the NAS Transport of a Downlink by the Mobility Management Entity (MME).
[00053] The first MO1 step of the MO procedure is only needed when the UE is in idle mode. A User Equipment (UE) in active mode can start SMS transfer with the second step MO2 of the MO procedure. This applies to all SMS MO cases.
[00054] The Originated Mobile (MO) procedure according to the first embodiment of the present invention is shown in figure 6. The Mobile Switching Center/Visitor Location Recorder (MSC/VLR) is replaced by the Interoperability Function (IWF) , which exposes both the SGs and the Mobility Management Entity (MME) interface and the Short Message Call Center (SMSC) interface as specified in TS23.040 (clause 4.2 "Transfer at reference point 3" of according to 3GPP TS 23.040 version 8.5.0). Analogous to figure 2, the functionality regarding the SGs and Ds interfaces of the first mode (figure 6) is the same as in figure 5, but otherwise, the Interoperability Function (IWF) has only the functions that are necessary for the transfer. rence of SMS.
[00055] The Originated Mobile (MO) procedure according to the second modality of the present invention is shown in figure 7. Analogous to figure 3 for the case of Binding according to the second of the modality, the Interoperability Function (IWF) is integrated into the Mobility Management Entity (MME), which results in the signaling flow described in Figure 7. Here, no SGs interface is required (and the corresponding third and eight steps va MO3 and MO8 can be omitted) - a Combined MME/IWF sends a short message (in the fourth step M04) using the existing interface towards the Short Message Service Center (SMSC) as specified in TS23.040 (clause 4.2 "Transfer at reference point 3" according to 3GPP TS 23.040 ver is 8.5.0, and receives the short message in the seventh step MO7.
[00056] The Originated Mobile (MO) procedure according to the third modality of the present invention is shown in figure 8. Analogous to figure 4, the Interoperability Function (IWF) is integrated within the Short Message Call Center (SMSC ). The interface as specified in TS23.040 (clause 4.2 "Transfer at reference point 3" according to 3GPP TS 23.040 ver is 8.5.0) is not required, although the SGs interface is used between the Mobility Management Entity ( MME) and the combined SMSC/IWF for SMS transfer, i.e. the fourth and seventh step MO4, MO7 are omitted and the third and eighth steps MO3, MO8 (Uplink Unit Data, Link Unit Data Descendant) are used. Mobile Termination (MT) SMS Case
[00057] In the case of Mobile Termination (MT), described in figures 9 to 12, there is an SMS-GWMSC function - usually implemented in the Short Message Service Center (SMSC) - which locates the User Equipment (UE ) via a query to the Local Subscriber Server (HSS). With the information received from the Local Subscriber Server (HSS), the SMS-GWMSC obtains the knowledge of the current Mobile Switching Call Center/Visitor Location Recorder (MSC/VLR) of the User Equipment (UE), to which it then forwards the trailing short message.
[00058] The procedure according to the 3GPP standard that is shown in figure 9. Figure 10 shows the case of the first modality of the present invention, where the Mobile Switching Service Center/Visitor Location Recorder ( MSC/VLR) is replaced by a unit providing the Interoperability Function (IWF). The following explanation refers to both figure 9 and 10.
[00059] In a first step of the Mobile Finishing (MT) procedure, designated as Mt1, the SC of the Short Message Service Center (SMSC) transfers the message to the SMS-GWMSC of the Short Message Service Center (SMSC) . A second step of the MT procedure, called MT2, is the Short Message Service Center (SMSC) that asks the Local Subscriber Internal Location Recorder (HLR/HSS) for the location of the User Equipment (UE) (via a question about Routing InfoForShortMessage "Routing InfoForShortMessage"). In a third step of the MT procedure, called MT3, the Short Message Call Center (SMSC) forwards the short message to the unit that provides the Interoperability Function (IWF) according to the first modality of the present invention, fi Figure 10. A fourth step of the MT procedure, called MT4, corresponds to the Interoperability Function (IWF) which sends a call request to the Mobility Management Entity (MME). A fifth step of the MT procedure, called MT5, corresponds to the Mobility Management Entity (MME) calling an eNodoB. A sixth step of the MT procedure, called MT6, corresponds to the eNodoB that forwards the call request to the User Equipment (UE). A seventh step of the MT procedure, called MT7, corresponds to the User Equipment (UE) that sends a Service Request. An additional seventh step of the MT procedure, called MT7a, corresponds to the transmission of the service request to the Interoperability Function (IWF). An additional eighth step of the MT procedure, designated MT8a, corresponds to the transmission of Downlink Unit Data to the Mobility Management Entity (MME). An eighth step of the MT procedure, called MT8, corresponds to the Mobility Management Entity (MME) which sends the NAS Transport information of a Downlink to the User Equipment (UE). A ninth step of the MT procedure, called MT9, corresponds to the User Equipment (UE) that sends NAS Transport information from an Uplink to the Mobility Management Entity (MME). A tenth step of the MT procedure, called MT10, corresponds to the Mobility Management Entity (MME) which sends the information about the Uplink Unit Data to the Interoperability Function (IWF). The eleventh step of the MT procedure, called MT11, corresponds to the Interoperability Function (IWF) which sends a Shipping report to the SMS-GMSC of the Short Message Service Center (SMSC). A twelfth step of the MT procedure, called MT12, corresponds to the SMS-GMSC of the Short Message Service Center (SMSC) which sends a Shipping report to the SC.
[00060] The User Equipment (UE) Mobility Management Entity (MME) call is only required when the User Equipment (UE) is in idle mode. For User Equipment (UEs) in active mode, there is no need for the Mobility Management Entity (MME) to execute a Call after the fourth step. The Mobility Management Entity (MME) continues with the seventh additional step MT7a (ie the steps from the fifth MT5 to the seventh MT7 are skipped). In this way, the Mobility Management Entity (MME) immediately sends (ie without any call) the NAS Transport information of a Downlink (step eight MT8) to the User Equipment (UE). This consequently applies to all SMS MT cases (figures 9 to 12).
[00061] In figure 10 (in relation to figure 9) the Mobile Switching Center/Visitor Location Recorder (MSC/VLR) is replaced by the Interoperability Function (IWF), which exposes both the SGs interface to the MME as for the interface to the SMSC as specified in TS23.040 (clause 4.2 "Transfer at reference point 3" according to 3GPP TS 23.040 version 8.5.0). There is also no change from SMS-GWMSC asking the Local Subscriber Server (HSS) for the location of the UE (ie the service MSC/VLR which is actually the IWF according to the second embodiment of the present invention ). Analogous to figure 2, the functionality referring to the SGs and the Ds interface is the same as in figure 9, however, otherwise, the Interoperability Function (IWF) has only the functions that are necessary for the transfer of SMS. When there is only a single IWF (logic) on the network, it is possible to dismiss the HSS question. This would require specific changes to the SMSC (otherwise unaffected) which has already been described in the context of Figure 2 above.
[00062] With reference to the second modality of the present invention which is analogous to figure 3 regarding the Binding case and figure 7 regarding the SMS MO case, the Interoperability Function (IWF) can be integrated in the Mobility Management Entity ( MME), which results in the MT flow described in figure 11. Again, the SGs interface is not required - the combined MME/IWF receives the short message using the existing SMSC interface as specified in TS23.040 (clause 4.2 "Transfer in the 3" reference point according to 3GPP TS 23.040 version 8.5.0). The HSS question in this case will return the combined MME/IWF to the SMS-GWMSC, which was registered in the HSS during the UE binding, as described in the context of figure 3.
[00063] With reference to the third modality of the present invention which is analogous to figure 4 for the Binding case and figure 8 for the SMS MO case, the Interoperability Function (IWF) can be integrated within the Call Center for Short Message (SMSC) as described for the MT case in figure 12. The interface as specified in TS23.040 (clause 4.2 "Transfer at reference point 3" according to 3GPP TS 23.040 version 8.5.0) is not required, although the SGs interface is used between the Mobility Management Entity (MME) and the combined SMSC/IWF for SMS transfer. As can be seen, there is no Local Subscriber Server (HSS) question involved - there is no CS location information at all that identifies the IWF in the HSS, as no CS location update was performed when "the resp. of the" linked UE performed the TA/LA update. Since the Interoperability Function (IWF) is collocated with the Short Message Service Center (SMSC), the need for the SMS GMSC to obtain the location of the UE is eliminated - instead, the message can be directly forwarded to the internal Function of Interoperability (IWF).
[00064] Figures 13 to 15 schematically illustrate the network configuration of the Core Network 10 according to three different modes of the present invention. In all three modalities of the present invention, the Core Network 10 comprises the Mobility Management Entity (MME), a Local Subscriber Server (HSS), a Short Message Service Center (SMSC), the SMS-GWMSC (Center Gateway Mobile Switching Center), an SMS-IWMSC (SMS Interoperability Mobile Switching Center), a GMSC (Gateway Mobile Switching Center), an E-UTRAN and a VMSC (Mobile Switching Visited Center).
[00065] Figure 13 corresponds to the first modality: the unit providing the Interoperability Function (IWF) is an intermediate unit that has an SGs interface and an interface as specified in TS23.040 (clause 4.2 "Transfer at reference point 3" according to 3GPP TS 23.040 version 8.5.0).
[00066] Figure 14 corresponds to the third modality: the Interoperability Function (IWF) is integrated in the Short Message Call Center (SMSC).
[00067] Figure 15 corresponds to the second modality: the Interoperability Function (IWF) is integrated in the Mobility Management Entity (MME).
[00068] According to the first and third modalities of the present invention, the Interoperability Function (IWF) does not have the proper information about the location of the User Equipment (UE). Only in the case of the second modality (when the Interoperability Function (IWF) is integrated in the Mobility Management Entity (MME)). Therefore, carrying out the present invention according to the first and third embodiments may require the implementation of a legitimate intercept functionality for SMS in the Mobility Management Entity (MME).
[00069] According to all embodiments of the present invention, it is not necessary for the Interoperability Function (IWF) to maintain the Mobility Management (MM) context of the User Equipment (from the UE) in the same way as a Mobile Switching Center/Visitor Location Recorder (MSC/VLR). It may be left to the Interoperability Function (IWF) deployment to find out if the Interoperability Function (IWF) supports retrieving User Equipment (UE) Mobility Management (MM) context information to/from other Mobile Switching Center/Visitor Location Recorder (MSC/VLR) units or other Function Interoperability (IWF) units. Modalities
[00070] First modality: Core Network 10 for the transmission of a short message in a mobile Evolved Packet communication (EPS) system, Core Network 10 comprising a Mobile Switching Center (MSC) according to a standard the GERAN/UTRAN radio access network (GSM/UMTS mobile communication network), the Core 10 Network also comprising the Mobility Management Entity (MME) and a Short Message Service Center (SMSC), and the Network Core further comprising the unit that provides an Interoperability Function (IWF) for the control of short messages so that the Mobile Switching Center (MSC) is avoided in relation to the transmission and/or receipt of short messages regarding the Equipment of the User (UE) who has a data connection on the Evolved Packet System (EPS) mobile communication network.
[00071] Second modality: Core 10 Network according to the first modality, in which the unit that provides the Interoperability Function (IWF) is an intermediate unit that has an SGs interface with the Mobility Management Entity (MME) and an SMSC interface with the Short Message Service Center (SMSC).
[00072] Third modality: Core 10 Network according to the first modality, in which the unit that provides the Interoperability Function (IWF) is integrated in the Short Message Call Center (SMSC), which has an SGs interface with the Mobility Management Entity (MME).
[00073] Fourth modality: Core 10 Network according to the first modality, in which the unit that provides the Interoperability Function (IWF) is integrated in the Mobility Management Entity (MME), which has an SMSC interface with the Short Message Service Center (SMSC).
[00074] Fifth modality: Method for controlling a short message in a mobile network with radio access from the Evolved Packet System (EPS), the method comprising the steps to: - link a User Equipment (UE) to the parties of circuit-switched network, the circuit-switched network parts comprising a Mobile Switching Center (MSC) in accordance with a GERAN/UTRAN (GSM/UMTS mobile communication network) radio access network standard, and the User (UE) who owns or requests a data connection on the mobile network with Evolved Packet System (EPS) radio access, - transmit the short message using the unit that provides an Interoperability Function (IWF) for control of the short message so that the Mobile Switching Center (MSC) is avoided in relation to transmitting and/or receiving short messages.
[00075] Sixth modality: Method according to the fifth modality, in which the unit providing the Interoperability Function (IWF) is an intermediate unit that has an SGs interface and an SMSC interface with the SMSC.
[00076] Seventh modality: Method according to the fifth modality, in which the unit providing the Interoperability Function (IWF) is integrated in the Short Message Call Center (SMSC), which has an SGs interface.
[00077] Eighth modality: Method according to the fifth modality, in which the unit providing the Interoperability Function (IWF) is integrated into the Mobility Management Entity (MME), which has an SMSC interface with the SMSC.
[00078] Ninth modality: Unit that provides an Interoperability Function (IWF) for the control of short messages in a system with a mobile network of access to Evolved Packet (EPS) communication that has a Core 10 Network, a Core 10 Network that comprises a Mobile Switching Center (MSC) in accordance with a GERAN/UTRAN radio access network standard (GSM/UMTS mobile communication network), a Core Network 10 further comprising the Mobility Management Entity (MME) and a Short Message Call Center (SMSC), in which the unit providing the Interoperability Function (IWF) is an intermediary unit that has an SGs interface with the Mobility Management Entity (MME) and an interface SMSC with the Short Message Service Center (SMSC), in which the control of short messages is done so that the Mobile Switching Center (MSC) is avoided in relation to the transmission and/or receipt of short messages regarding the Equipment of the User io (UE) which has a data connection on the mobile network with Evolved Packet System (EPS) radio access.
[00079] Tenth modality: Short Message Service Center (SMSC) which has an integrated unit that provides an Interoperability Function (IWF) for the control of short messages in a mobile network with radio access from the Evolved Packet System (EPS) which has a Core Network 10, a Core Network 10 which comprises a Mobile Switching Center (MSC) according to a GERAN/UTRAN radio access network standard (GSM/UMTS mobile communication network), the Network Core 10 further comprising the Mobility Management Entity (MME), in which the unit that provides the Interoperability Function (IWF) has an SGs interface with the Mobility Management Entity (MME), in which the message control short messages is done so that the Mobile Switching Center (MSC) is avoided in relation to the transmission and/or receipt of short messages regarding the User Equipment (UE) that has a data connection in the System's mobile communication network with Package Evolved (EPS).
[00080] Eleventh modality: Mobility Management Entity (MME), which has an integrated unit that provides an Interoperability Function (IWF) for the control of short messages in a system with mobile communication network of the Evolved Pack ( EPS) which has a Core Network 10, a Core Network 10 comprising a Mobile Switching Center (MSC) according to a GERAN/UTRAN radio access network standard (GSM/UMTS mobile communication network), the Core Network 10 further comprising a Short Message Call Center (SMSC), in which the unit providing the Interoperability Function (IWF) has an SMSC interface with the Short Message Call Center (SMSC), in which the short messages is done so that the Mobile Switching Center (MSC) is avoided in relation to the transmission and/or receipt of short messages regarding the User Equipment (UE) that has a data connection in the mobile network with S radio access System with Evolved Package (EPS).
[00081] Twelfth modality: Program comprising a computer-readable program code for controlling the Unit that provides an Interoperability Function (IWF) for the control of short messages in a system with mobile network access to Packet communication Evolved (EPS) according to the ninth modality.
[00082] Thirteenth modality: Program comprising a computer readable program code to control a Short Message Call Center (SMSC) according to modality.
[00083] Fourteenth modality: Program comprising a computer readable program code to control the Mobility Management Entity (MME) according to eleventh modality.
权利要求:
Claims (9)
[0001]
1. Core network (10) for short message transmission in an evolved packet system (EPS) mobile communication network, the core network (10) providing an SMS over SGs functionality, the core network (10) characterized by the fact that which comprises a mobility management entity (MME); a short message service center (SMSC); a unit that provides an interoperability function (IWF) for the control of short messages; the unit providing the interoperability function (IWF) is configured to process short messages transmitted from and received by a user equipment (UE) that has a data connection to the EPS mobile communications network, the transmission and reception of the short messages being provided through a communication between the mobility management entity (MME) and the short message service center (SMSC) via the interoperability function (IWF) without involving a mobile switching center (MSC) .
[0002]
2. Core network (10), according to claim 1, characterized by the fact that the core network (10) provides an SMS functionality for the user equipment (UE), with the SMS functionality it is provided in a non-native way compared to the Evolved Packing System (EPS).
[0003]
3. Core network (10), according to claim 1, characterized by the fact that the unit that provides the interoperability function (IWF) is an intermediate unit that has an SGs interface with the management entity (MME) and an SMSC interface with the short message call center (SMSC).
[0004]
4. Core network (10), according to claim 1, characterized by the fact that the unit providing the interoperability function (IWF) is integrated in the short message service center (SMSC), having a SGs interface with the Mobility Management Entity (MME).
[0005]
5. Core network (10), according to claim 1, characterized by the fact that the unit providing the interoperability function (IWF) is integrated in the mobility management entity (MME), having an interface SMSC with short message service center (SMSC).
[0006]
6. Method for the control of short messages in a mobile network with radio access of an evolved packet system (EPS) comprising a mobility management entity (MME) and a call center for short message (SMSC), the method characterized by the fact that it comprises the steps of - linking a user equipment (UE) to circuit-switched network parts, and the user equipment (UE) has or requests a data connection to the mobile network with system radio access with evolved packet (EPS), - transmit a first short message from the user equipment (UE) using a unit that provides an interoperability function (IWF) for short message control; and - receiving a second short message at the user equipment (UE) using the unit providing the interoperability function (IWF); whereby the mobility management entity (MME) and the short message call center (SMSC) are in communication through the interoperability function (IWF) without involving a mobile switching center (MSC) in relation to the communication of the first and second short messages.
[0007]
7. Method according to claim 6, characterized in that an SMS functionality is provided for the user equipment (UE), and the SMS functionality is provided in a non-native way in relation to the system with evolved package (EPS).
[0008]
8. Short Message Service Center (SMSC), characterized by the fact that it comprises an integrated unit, comprising a processor, configured to provide an interoperability function (IWF) for the control of short messages in a mobile network with access via Evolved Packet System (EPS) radio having a core network (10), the core network (10) providing an SMS over SGs functionality and comprising a mobility management entity (MME); the unit providing the interoperability function (IWF) is configured to process short messages transmitted to and received by a user equipment (UE) that has a data connection to the mobile network with radio access of the system with packet Evolved (EPS), the transmission and reception of short messages being provided through communication between the mobility management entity (MME) and the short message service center (SMSC) through the interoperability function (IWF) without involving a center mobile switching (MSC), and the unit providing the interoperability function (IWF) has an SGs interface with the mobility management entity (MME).
[0009]
9. Mobility Management Entity (MME), characterized in that it comprises an integrated unit, comprising a processor, configured to provide an interoperability function (IWF) for the control of short messages in a mobile communication network the Evolved Packet System (EPS) that has a core network (10), the core network (10) providing an SMS on the SGs functionality and comprising a short message call center (SMSC); the unit providing the interoperability function (IWF) is configured to process short messages transmitted to and received by a user equipment (UE) that has a data connection to the mobile network with radio access of the system with packet Evolved (EPS), the transmission and reception of short messages being provided through a communication between the mobility management entity (MME) and the call center for short message (SMSC) through the interoperability function (IWF) without involving a mobile switching center (MSC), and the unit providing the interoperability function (IWF) has an SMSC interface with the short message call center (SMSC).
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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]|
2020-02-11| B15K| Others concerning applications: alteration of classification|Free format text: A CLASSIFICACAO ANTERIOR ERA: H04W 4/14 Ipc: H04W 4/14 (2009.01), H04W 76/12 (2018.01), H04W 88 |
2020-02-11| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
2021-05-18| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
2021-07-13| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 29/07/2010, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO. |
优先权:
申请号 | 申请日 | 专利标题
US23056209P| true| 2009-07-31|2009-07-31|
EP09009912|2009-07-31|
EP09009912.8|2009-07-31|
US61/230,562|2009-07-31|
PCT/EP2010/004645|WO2011012305A1|2009-07-31|2010-07-29|Method and apparatuses for the transmission of a short message in an evolved packet system providing an interworking function|
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