WO2013104177A1 - Procédé et dispositif de signalement et de demande de capacité d'un ue - Google Patents

Procédé et dispositif de signalement et de demande de capacité d'un ue Download PDF

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Publication number
WO2013104177A1
WO2013104177A1 PCT/CN2012/077766 CN2012077766W WO2013104177A1 WO 2013104177 A1 WO2013104177 A1 WO 2013104177A1 CN 2012077766 W CN2012077766 W CN 2012077766W WO 2013104177 A1 WO2013104177 A1 WO 2013104177A1
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WIPO (PCT)
Prior art keywords
user equipment
terminal
equipment capability
base station
communication system
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Application number
PCT/CN2012/077766
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English (en)
Chinese (zh)
Inventor
陈中明
杜忠达
黄河
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中兴通讯股份有限公司
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Publication of WO2013104177A1 publication Critical patent/WO2013104177A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities

Definitions

  • the present invention relates to the field of communications, and in particular to a user equipment capability query and reporting method and apparatus.
  • the user equipment UE capability query process is as shown in FIG. 1 and includes the following steps S102 to S108.
  • Step S102 The MME initiates an initial context setup request to the eNB, without capability information of the UE.
  • Step S104 The eNB sends a requesting UE reporting capability to the UE.
  • Step S106 The UE reports capability information.
  • Step S108 The eNB sends a terminal (UE) capability information indication to the MME (UE CAPABILITY INFO
  • the base station requests the UE to report the capability through the UE Capability Enquiry message, and the UE reports its capability to the base station through the UECapabilitylnformation message.
  • the capability information includes capability information related to various radio access technologies (including LTE, GERAN, UTRA, and CDMA) supported by the UE, and includes all supported LTE frequency band information, and the amount of data is relatively large, in order to save air interfaces during service establishment.
  • the signaling overhead which is designed to be stored in the MME, is configured by the MME to the base station through the INITIAL CONTEXT SETUP REQUEST message of the S1 interface when the service is established. If the MME does not have the capability information, the base station triggers the hollow of FIG.
  • the UE capability query process of the port is reported to the MME by the UE CAPABILITY INFO INDICATION message after the capability information is obtained by the base station.
  • UE capabilities will be communicated between the source base station and the target base station through transparent packets. If the MME changes, the UE radio capability will not be transmitted between the MMEs. It needs to be uploaded to the new MME by the base station, and the process shown in Figure 1 will be executed again.
  • the capability information of the terminal changes, only the wireless capability of the GERAN is dynamically updated in the LTE.
  • the UE can use the TAU of the reason of "UE radio capability update".
  • the UE's E-UTRAN capability can only be updated by detach and re-attach.
  • the UTRAN capability relies on the base station to regain UE capabilities before each attempt to switch from E-UTRAN to UTRAN to ensure that it is up to date.
  • the user equipment UE capability query process is similar to that of the LTE system.
  • the RNC queries the UE through the UE CAPABILITY ENQUIRY message.
  • the UE reports the UE CAPABILITY INFORMATION message to the RNC, and the RNC replies to the UE CAPABILITY INFORMATION CONFIRM.
  • the UE will report its own capabilities every time the RRC connection setup complete message is sent.
  • the capability information includes capability information of the UE supporting the LTE system.
  • the capability reported by the UE does not distinguish between communication systems. According to the capabilities and needs of current operators, only one system in the communication system may be supported, and the functions of different communication systems may be different. This will cause the dual-mode terminal to move between different communication systems, and the network side to the terminal. The confusion of ability understanding will make some functions not working properly.
  • a user equipment capability reporting method includes: a base station acquiring user equipment capability information of the terminal from a mobility management entity MME; and the base station determining a communication currently used by the terminal The system is different from the communication system indicated by the user equipment capability information.
  • the base station requests the terminal to report the user equipment capability corresponding to the predetermined communication system.
  • the base station determines that the communication system currently used by the terminal is different from the communication system indicated by the user equipment capability information, and the base station determines that the frequency band used by the cell accessed by the terminal is not It belongs to the frequency band supported by the user equipment capability information.
  • the method further includes: the base station receiving the user equipment capability information reported by the terminal, and sending the information about the user equipment capability to the MME And/or the base station receives user equipment capability information reported by the terminal, and sends the user equipment capability information to a base station to which the terminal is to be handed over; and/or the base station receives the user equipment reported by the terminal
  • the capability information, and the user equipment capability information is saved; wherein the user equipment capability information carries the user equipment capability corresponding to the communication system supported by the terminal.
  • the requesting, by the base station, the user equipment capability corresponding to the predetermined communication system to the terminal includes: sending, by the base station, a user equipment capability query request to the terminal, where the user equipment capability query request The user equipment capability corresponding to the terminal to report the predetermined communication standard: the base station And the predetermined communication system is instructed to the terminal by the predetermined communication system requested in the user equipment capability query request, and the base station is instructed according to the user equipment capability. Corresponding relationship between the predetermined instruction in the request and the predetermined communication system, and the predetermined communication system is indicated to the terminal by the predetermined instruction.
  • the communication system comprises: a time division duplex (TDD) system and a frequency division duplex (FDD) system.
  • the user equipment capability includes at least one of the following: frequency band information supported by the terminal, and feature group indication (FGI) information of the terminal.
  • FGI feature group indication
  • a user equipment capability reporting method includes: receiving, by a terminal, a user equipment capability query request sent by a base station, where the user equipment capability query request is used to instruct the terminal to report a predetermined communication standard. Corresponding user equipment capability; the terminal sends the user equipment capability corresponding to the predetermined communication system to the base station.
  • the terminal sends the user equipment capability corresponding to the predetermined communication system to the base station by using one of the following manners: the terminal will carry the user corresponding to the predetermined communication system on the signaling of the extended system type The device capability is sent to the base station; the terminal determines the predetermined communication system according to a correspondence between a predetermined instruction in the user equipment capability query request and the predetermined communication system, and the corresponding communication system corresponds to The user equipment capability is sent to the base station; the terminal reports the user equipment capability corresponding to the communication system currently used by the terminal.
  • the communication system comprises: a time division duplex (TDD) system and a frequency division duplex (FDD) system.
  • the user equipment capability includes at least one of the following: frequency band information supported by the terminal, and FGI information of the terminal.
  • a user equipment capability querying apparatus is provided, which is applied to a base station, and the apparatus includes: an acquiring module, configured to acquire user equipment capability information of the terminal from a mobility management entity MME; The first sending module is configured to request the terminal to report the user equipment capability corresponding to the predetermined communication standard, in order to determine that the communication system currently used by the terminal is different from the communication system indicated by the user equipment capability information.
  • a user equipment capability reporting apparatus includes: a receiving module, configured to receive a user equipment capability query request sent by a base station, where the user equipment capability query request is used by The second sending module is configured to send the user equipment capability corresponding to the predetermined communication system to the base station, instructing the terminal to report the user equipment capability corresponding to the predetermined communication system.
  • the base station determines that the communication system used by the terminal is different from the communication system carried by the user equipment capability information of the terminal, the base station sends a capability to the terminal to indicate that the terminal reports the user equipment corresponding to the predetermined communication system.
  • FIG. 2 is a flowchart of a user equipment capability query method according to an embodiment of the present invention
  • FIG. 3 is a user equipment capability report according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a user equipment capability querying apparatus according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram of a user equipment capability reporting apparatus according to an embodiment of the present invention
  • FIG. 6 is a block diagram of a preferred embodiment according to the present invention.
  • FIG. 7 is a flowchart 2 of a user equipment capability query method according to a preferred embodiment of the present invention
  • FIG. 8 is a flowchart 3 of a user equipment capability query method according to a preferred embodiment of the present invention.
  • FIG. 9 is a flowchart of a user equipment capability query method according to a preferred embodiment of the present invention
  • FIG. 10 is a flowchart of a user equipment capability query method according to a preferred embodiment of the present invention
  • FIG. 11 is a preferred embodiment of the present invention.
  • FIG. 12 is a user equipment according to a preferred embodiment of the present invention
  • Step S202 The base station acquires user equipment capability information of the terminal (which may also be referred to as a UE) from the mobility management entity (MME).
  • Step S204 The base station determines that the communication system currently used by the terminal is different from the communication system indicated by the user equipment capability information.
  • Step S206 The base station requests the terminal to report the user equipment capability corresponding to the predetermined communication standard.
  • the base station When the base station determines that the communication system currently used by the terminal is different from the communication system indicated by the acquired user equipment capability information, the base station sends a capability to the terminal to indicate that the terminal reports the user equipment corresponding to the predetermined communication system.
  • the information of the user equipment that uses the multiple communication systems is not differentiated, and the network side cannot correctly obtain the user equipment capability corresponding to the adopted communication system of the terminal, resulting in the user's
  • the problem that some functions cannot be used improves the reliability of multi-mode terminal communication.
  • the base station may acquire the user equipment capability information of the terminal from the MME after the terminal establishes a radio resource control (RRC) connection, and the current communication system adopted by the terminal is the cell of the RRC connection established.
  • RRC radio resource control
  • step S204 may determine, in various manners, whether the communication system employed by the terminal is different from the communication system indicated by the acquired capability information.
  • the base station determines that the frequency band used by the cell accessed by the terminal does not belong to the frequency band supported by the user equipment capability information.
  • the judgment method is simple and easy, and the existing parameters are used, and no additional parameters need to be configured, thereby improving the efficiency of the judgment step.
  • the method further includes: after the base station sends the user equipment capability query request to the terminal, receiving information about the user equipment capability reported by the terminal, and performing further processing based on the information,
  • the mode (the three modes can be used at the same time):
  • Method 1 The base station receives the information about the user equipment capability reported by the terminal, and sends the information about the capability of the user equipment to the MME.
  • Manner 2 The base station receives the information about the user equipment capability reported by the terminal, and sends the user equipment capability information to the base station to which the terminal is to be handed over.
  • Manner 3 The base station receives information about the capability of the user equipment reported by the terminal, and saves information about the capability of the user equipment.
  • the user equipment capability information in the foregoing three modes carries the user equipment capability corresponding to the communication system supported by the terminal.
  • the received information is sent to the MME, and the accuracy of the user equipment capability information of the MME can be implemented.
  • the information may be sent to the base station to be switched by the terminal according to the information about the capability of the user equipment, and the base station to be switched is prevented from initiating the query process again, thereby reducing the signaling load.
  • the base station may request the terminal to report the user equipment capability corresponding to the predetermined communication system to the terminal in multiple manners: for example, the system may be implemented in a direct or indirect manner.
  • Method 1 By carrying the predetermined communication system requested in the user equipment capability query request on the signaling of the extended system type, indicating the predetermined communication system to the terminal.
  • Manner 2 The predetermined communication system is indicated to the terminal by the predetermined instruction according to the correspondence between the predetermined instruction in the user equipment capability query request and the predetermined communication system.
  • Mode 1 is a direct indication mode. Signaling with extended system type can reduce the signaling load.
  • the second method is an indirect indication mode, and the predetermined communication system requested to be reported can be determined according to the correspondence between the preset predetermined instruction and the predetermined communication system.
  • the terminal can be multi-mode or dual-mode.
  • the communication system adopted by the terminal can be a plurality of existing communication systems, and is preferably an TDD system and an FDD system.
  • the user equipment capability includes at least one of the following: frequency band information supported by the terminal and/or (Feature Group Indicators, FGI for short) information.
  • the terminal may process the user equipment capability information according to the frequency band information or the FGI information.
  • FIG. 3 is a flowchart of a method for reporting user equipment capability according to an embodiment of the present invention. As shown in FIG. 3, the method includes the following steps S302 and S304.
  • Step S302 Receive a user equipment capability query request sent by the base station, where the user equipment capability query request is used to indicate that the terminal reports the user equipment capability corresponding to the predetermined communication system.
  • Step S304 The terminal sends the user equipment capability corresponding to the predetermined communication system to the base station.
  • the terminal sends the user equipment capability corresponding to the predetermined communication system to the base station according to the received user equipment capability query request, and overcomes the information in the related art due to the capability of the user equipment adopting multiple communication systems.
  • the network side cannot correctly obtain the user equipment capability corresponding to the communication system adopted by the terminal, which causes the user's partial functions to be unusable, and improves the reliability of the multi-mode terminal communication.
  • step S304 may send the user equipment capability corresponding to the communication system adopted by the terminal to the base station in one of the following manners. Manner 1: The terminal sends the user equipment capability corresponding to the predetermined communication system carried on the signaling of the extended system type to the base station.
  • Manner 2 The terminal determines the predetermined communication system according to the correspondence between the predetermined instruction in the user equipment capability query request and the predetermined communication system, and sends the user equipment capability corresponding to the predetermined communication system to the base station.
  • Manner 3 The terminal reports the user equipment capability corresponding to the communication system currently used by the terminal.
  • the terminal can be multi-mode or dual-mode.
  • the communication system adopted by the terminal can be a plurality of existing communication systems, and is preferably an TDD system and an FDD system.
  • the user equipment capability includes at least one of the following: frequency band information supported by the terminal and/or FGI information of the terminal.
  • the terminal may process the user equipment capability information according to the frequency band information or the FGI information.
  • a user equipment capability query software is provided, which is used to implement the technical solutions described in the foregoing embodiments and preferred embodiments.
  • a storage medium is further provided, where the user equipment capability query software is stored, and the storage medium includes, but is not limited to, an optical disc, a floppy disk, a hard disk, a rewritable memory, and the like.
  • the embodiment of the present invention further provides a user equipment capability querying device, which can be used to implement the foregoing user equipment capability query method and a preferred implementation manner.
  • the modules involved in the user equipment capability query device are described.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the systems and methods described in the following embodiments are preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • 4 is a structural block diagram of a user equipment capability inquiring device according to an embodiment of the present invention.
  • the device may be applied to a base station. As shown in FIG. 4, the device includes: an obtaining module 42, a determining module 44, and a first sending module 46.
  • the obtaining module 42 is configured to acquire information about the user equipment capability of the terminal from the mobility management entity MME.
  • the determining module 44 is connected to the obtaining module 42 and configured to determine whether the communication system adopted by the terminal and the capability acquired by the obtaining module 42 are The communication system indicated by the information is different; the first sending module 46 is connected to the determining module 44, and is configured to request the terminal to report the user equipment capability corresponding to the predetermined communication system.
  • a user equipment capability reporting software is also provided, which is used to implement the technical solutions described in the foregoing embodiments and preferred embodiments.
  • a storage medium is further provided, where the user equipment capability reporting software is stored, and the storage medium includes, but is not limited to, an optical disc, a floppy disk, a hard disk, a rewritable memory, and the like.
  • the embodiment of the present invention further provides a user equipment capability reporting apparatus, where the user equipment capability reporting apparatus can be used to implement the foregoing user equipment capability reporting method and a preferred implementation manner, which have been described, and are not described again.
  • the modules involved in the user equipment capability reporting device are described. As used hereinafter, the term "module" may implement a combination of software and/or hardware of a predetermined function.
  • FIG. 5 is a structural block diagram of a user equipment capability reporting apparatus according to an embodiment of the present invention.
  • the apparatus may be applied to a terminal.
  • the apparatus includes: a receiving module 52 and a second sending module 54, and the foregoing structure is Detailed instructions are given.
  • the receiving module 52 is configured to receive a user equipment capability query request sent by the base station, where the user equipment capability query request is used to indicate that the terminal reports the user equipment capability corresponding to the predetermined communication system; and the second sending module 54 is connected to the receiving module 52.
  • FIG. 6 is a flowchart 1 of a user equipment capability query method according to a preferred embodiment of the present invention. As shown in FIG. 6, the method includes the following step S602. And step S604. Step S602: The base station initiates a command to the UE to report the capability of specifying the customization. Step S604: The terminal reports the capability information of the specified system.
  • the preferred embodiment of the present invention provides a user equipment capability query method.
  • Step S702 The MME initiates an initial context setup request, including capability information of the UE.
  • Step S704 The base station determines, according to the UE capability acquired from the MME, whether its own system is the same as the system used by the local cell, and if not, initiates a UE capability query process.
  • the cell is a cell accessed by the UE.
  • the system is LTE TDD or LTE FDD.
  • step S704 includes: the eNB determining whether the frequency band used by the local cell is included in a frequency band supported by the UE in the UE capability acquired from the MME. If it is included, the system is considered to be the same, otherwise the system is considered different.
  • the UE after receiving the UE capability query message from the base station, the UE reports the UE capability in the specified system according to the indication of the base station.
  • the UE capability may include, but is not limited to, the following: the frequency band information supported by the UE, the FGI information of the UE, and the supported frequency band information only includes the frequency band information corresponding to the specified system.
  • the indication may be specified in an explicit or implicit manner, such as may be carried by an extended system type (RAT-Type), or by an explicit indication, the indication comprising TDD or FDD, or none of them, at this time, the UE considers that the capability information corresponding to the standard of the current cell is reported. If the implicit mode is implemented by using the indication, if the indication is not included or the indication is 0, the capability information corresponding to the system of the local cell is considered to be reported, and when the indication is included or the indication is 1, the system is considered to be reported and the standard of the current cell. Ability information for different standards, or vice versa.
  • Step S706 The base station sends the terminal capability information to the MME.
  • the application scenario is as follows: In the LTE system, the base station 1 is under the jurisdiction
  • the two cells are Celll and Cell2, Celll is the cell of TDD, Cell2 is the cell of FDD, and base station 2 governs two cells, Cell3 and Cell4, Cell3 is the cell of TDD, and Cell4 is the cell of FDD.
  • Both the base station 1 and the base station 2 are connected to the MME 1. If the MME does not have the capability information of the UE, the related procedure is the same as the following embodiment, and the description is not repeated.
  • the UE is a dual-mode terminal, the frequency band supporting TDD is 1, 2, 3, 4, and the frequency band supporting FDD is 33, 34, 35. It should be noted that the following embodiments describe the case where the terminal moves from TDD to FDD.
  • FIG. 8 is a flowchart 3 of the user equipment capability query method according to a preferred embodiment of the present invention.
  • the method includes the following step S802. Go to step S820.
  • Step S802 The UE starts up in Celll and performs an attach procedure.
  • Step S804 The UE performs an RRC connection establishment process.
  • Step S806 The MME and the eNB establish an initial context setup request, and there is no capability information of the UE.
  • Step S808 The initial UE message acquired by the eNB from the MME does not have the capability information of the UE.
  • Step S810 The base station 1 initiates a UE capability query process, acquires capability information of the UE from the terminal, and specifies that the communication system is TDD.
  • the communication system in this step can be specified in the following manner: Mode 1: Extended RAT-TYPE, current RAT-TYPE is eutra, utra, geran-cs, geran-ps, cdma2000-lXRTT, expand eutra to eutra- Fdd, eutra-tdd, this embodiment is eutra-tdd.
  • Manner 2 Implemented by an explicit indication, the indication includes TDD or FDD, or none of them.
  • the UE considers that the capability information corresponding to the standard of the current cell is reported.
  • the cell in which the UE is located is a Celll system, such as TDD, or the base station 1 does not specify a standard.
  • the default format of the UE is the cell in which the UE is located, such as TDD.
  • the capability information corresponding to the standard of the cell is reported, as in the embodiment, the system TDD of Celll; when the indication is included or the indication is 1 (or 0), it is considered that the capability information reporting the system different from the standard of the current cell, if the embodiment is a different FDD of the system TDD of Celll, or vice versa, the indication or indication is 1 (or 0), then The capability information corresponding to the standard of the cell is reported and reported.
  • Step 3 The UE obtains the capability information of the cell type of the cell, such as TDD, and reports the information of the cell in which the UE is located, and only includes the supported TDD band information such as 33, 34, 35.
  • Step S812 The UE acquires the capability (TDD) information of the cell system in the cell and reports it, and only includes the supported TDD frequency band information, such as 33, 34, 35.
  • Step S814 The UE reports the TDD standard capability.
  • Step S816 The base station 1 receives the capability information of the UE TDD system, and notifies the MME.
  • Step S818 The eNB sends the terminal capability information to the MME.
  • Step S820 The UE performs an RRC connection release procedure.
  • the preferred embodiment provides a user equipment capability query method.
  • FIG. 9 is a flowchart of a user equipment capability query method according to a preferred embodiment of the present invention. As shown in FIG. 9, the method includes the following steps S902 to S920.
  • Step S902 The UE starts up in Cell2 and performs an attach procedure.
  • Step S904 The UE performs an RRC connection establishment process.
  • Step S906 The MME and the eNB establish an initial context setup request, and have capability information of the UE.
  • Step S908 The initial UE message acquired from the MME has capability information of the UE.
  • Step S910 The eNB determines that the system corresponding to the capability information is inconsistent with the local cell.
  • Step S912 The base station 1 initiates a UE capability query process. The base station 1 determines that it is a TDD system according to the frequency band information in the capability information, and the cell where the UE is located is
  • Step S914 The UE acquires the capability information of the cell in which the cell is located, such as FDD, and reports the capability of the FDD band, such as 1, 2, 3, and 4.
  • Step S916 The base station 1 receives the capability information of the UE FDD system, and notifies the MME.
  • Step S918 The eNB sends the terminal capability information indication to the MME.
  • Step S920 The UE performs an RRC connection release process.
  • the preferred embodiment of the present invention provides a user equipment capability query method, and FIG.
  • Step S1002 The UE camps in Cell2 and initiates an RRC connection setup.
  • Step S1004 The UE and the eNB perform RRC connection establishment.
  • Step S1006 The MME sends an initial context setup request to the eNB, including capability information of the UE.
  • Step S1008 The base station 1 acquires capability information of the UE from the MME.
  • Step S1010 According to the frequency band information in the capability information, it is determined that the TDD system is inconsistent with the FDD of the cell where the UE is located, and therefore the base station 1 initiates the UE capability query process, and the system is FDD, and the designated mode is the same.
  • Step S1014 The UE reports the FDD standard capability.
  • Step S1016 The base station 1 receives the capability information of the UE FDD standard, saves, and notifies the MME.
  • Step S1018 The e B sends the terminal capability information to the MME.
  • FIG. 11 is a flowchart of a user equipment capability query method according to a preferred embodiment of the present invention. As shown in FIG. 11, the method includes the following steps S1102. Go to step S1118. Step S1102: The UE camps in the Celll and initiates an RRC connection setup. Step S1104: The MME initiates an initial context setup request to the eNB, including capability information of the UE.
  • Step S1106 The UE performs an RRC connection establishment process, and the base station 1 obtains the capability information of the UE from the MME, and determines that it is a TDD system according to the frequency band information in the capability information, and is related to the TDD of the cell where the UE is located at the time of the Celll. Therefore, the base station 1 does not initiate the UE capability query process, but the base station 1 finds that the UE's capability information indicates that the UE supports the handover between the FDD and the TDD. Therefore, the UE capability inquiry process needs to be initiated, and the system is FDD, and the representation method of the designated system is the same.
  • Step S1108 The eNB initiates a UE capability query to the UE.
  • Step S1110 The UE obtains the capability information of the standard FDD and reports the information, and only includes the supported FDD frequency band information, such as 1, 2, 3, and 4.
  • Step S1112 The base station 1 receives the capability information of the UE FDD standard, saves, and does not notify the MME temporarily.
  • Step S1114 The base station 1 configures the measurement task according to the capabilities of the UE TDD and the FDD system, and may include measurements on the frequency of the TDD-related frequency band, such as the frequency bands 33, 34, 35, and may also include measurements on the frequency of the FDD-related frequency band, such as the frequency band 1, 2, 3, 4.
  • Step S1116 The base station 1 performs the measurement according to the measurement task, and reports the measurement report.
  • the base station 1 performs the handover decision according to the measurement report, and needs to switch the UE to the cell 4.
  • the base station 1 needs to transmit the current configuration of the UE to the base station 2, and needs to include the UE in the TDD. And the ability information of the FDD system.
  • Step S1118 After receiving the capability information of the UE in the TDD and FDD standards, the base station 2 does not need to initiate the capability query process again. It should be noted that, in this embodiment, the base station 1 may perform blind cutting as needed according to the capabilities of the UE.
  • the preferred embodiment of the present invention provides a user equipment capability query method.
  • the application scenario of the preferred embodiment is as follows: In the UTRAN system, the base station 3 governs one cell, is a Cell5, and belongs to the RNC.
  • FIG. 12 is a flowchart of a user equipment capability query method according to a preferred embodiment of the present invention. As shown in FIG. 12, the method includes the following steps S1202 to S1218. Step S1202: The UE camps in Cell5 and initiates an RRC connection setup. Step S1204: The UE and the RNC perform RRC connection establishment.
  • Step S1206 The UE reports the capability information of the UE in the RRC connection setup complete message, and includes the capability information of the LTE.
  • the terminal may select the capability of reporting one of the standards, such as TDD, and only the supported TDD frequency band information, such as 33, 34, 35, also includes the ability of the UE to support TDD and FDD.
  • Step S1208 The RNC learns that the neighboring LTE system has two cells, which are TDD and FDD, respectively, and the UE supports TDD and FDD, and the UE reports the capability information corresponding to the TDD, and the UE needs to report the capability information corresponding to the FDD
  • step S1210 The RNC initiates a UE capability query to the UE, and the system is FDD.
  • Step S1212 The UE obtains the capability information of the standard FDD and reports it, and only includes the supported FDD frequency band information such as 1, 2, 3, and 4.
  • Step S1214 The base station 3 receives the capability information of the UE FDD system and saves it.
  • Step S1216 The base station 3 decides to switch the UE to Cell6 according to the measurement report of the UE and the capability of the terminal to support LTE TDD and FDD, and transmits the capability of the system corresponding to Cell6, such as TDD, to the base station 4.
  • Step S1218 After receiving the capability information of the UE in the TDD system, the base station 4 waits for the UE to successfully switch, and then initiates the capability query according to the capability information of the UE supporting the TDD and the FDD, and the system is TDD.
  • the foregoing embodiment provides a user equipment capability query method and device, and a user equipment capability reporting method and device.
  • the base station determines the communication standard carried by the terminal and the user equipment capability information of the terminal.
  • the user equipment capability for instructing the terminal to report the predetermined communication system is transmitted to the terminal, which overcomes the problem that the information is not reported in the related art due to the capability of the user equipment using multiple communication systems.
  • the side cannot correctly obtain the user equipment capability corresponding to the communication system adopted by the terminal, which causes the problem that some functions of the user cannot be used, and improves the reliability of communication of the multimode terminal. It should be noted that these technical effects are not all of the above embodiments, and some technical effects are obtained by some preferred embodiments.
  • the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device so that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or Multiple modules or steps are made into a single integrated circuit module.

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  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un dispositif de signalement et de demande de capacité d'un équipement utilisateur (UE), le procédé de demande de capacité d'un UE comprenant les étapes suivantes : une station de base acquiert, en provenance d'une entité de gestion de mobilité (MME), des informations de capacité d'UE d'un terminal ; la station de base détermine que le mode de communication en cours d'utilisation par le terminal est différent du mode de communication indiqué par les informations de capacité d'UE ; la station de base demande au terminal de signaler la capacité d'UE correspondant au mode de communication prédéfini. Conformément à l'art antérieur, le terminal, qui utilise de multiples modes de communication, ne distingue pas les informations de capacité d'UE pendant le processus de signalement. De ce fait, un côté réseau ne peut pas acquérir de manière appropriée la capacité d'UE correspondant au mode de communication utilisé par le terminal et certaines fonctions utilisateur ne peuvent pas être utilisées. La présente invention remédie à ce problème et améliore la fiabilité des communications d'un terminal multimode.
PCT/CN2012/077766 2012-01-13 2012-06-28 Procédé et dispositif de signalement et de demande de capacité d'un ue WO2013104177A1 (fr)

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CN112788591B (zh) * 2019-11-08 2022-05-31 大唐移动通信设备有限公司 一种传输方法、设备及介质
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