WO2015117504A1 - 保持eMBMS业务连续性的方法及系统、设备 - Google Patents

保持eMBMS业务连续性的方法及系统、设备 Download PDF

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Publication number
WO2015117504A1
WO2015117504A1 PCT/CN2014/093856 CN2014093856W WO2015117504A1 WO 2015117504 A1 WO2015117504 A1 WO 2015117504A1 CN 2014093856 W CN2014093856 W CN 2014093856W WO 2015117504 A1 WO2015117504 A1 WO 2015117504A1
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WIPO (PCT)
Prior art keywords
frequency set
embms service
terminal
base station
set identifier
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Ceased
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PCT/CN2014/093856
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English (en)
French (fr)
Inventor
杜高鹏
崔冶华
常华伟
桑健
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ZTE Corp
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ZTE Corp
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Priority to EP14881607.7A priority Critical patent/EP3188544B1/en
Priority to JP2017511882A priority patent/JP6490198B2/ja
Publication of WO2015117504A1 publication Critical patent/WO2015117504A1/zh
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0007—Control or signalling for completing the hand-off for multicast or broadcast services, e.g. MBMS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services

Definitions

  • the present invention relates to a handover technology in the field of communications, and in particular, to a method, system, device and computer readable medium for maintaining continuity of an enhanced multimedia broadcast/multicast service (eMBMS) service.
  • eMBMS enhanced multimedia broadcast/multicast service
  • eMBMS 3rd Generation Partnership Project
  • 3GPP 3rd Generation Partnership Project
  • eMBMS 3rd Generation Partnership Project
  • the use of network resources will depend on the number of content channels, not the number of users.
  • the core network and the radio access network can realize a large amount of resource saving, thereby effectively reducing the network cost.
  • the eMBMS service can adopt the multicast mode, which is called the Multimedia Broadcast multicast service Single Frequency Network (MBSFN) transmission mode, and the service adopting the MBSFN transmission mode is called the MBSFN service.
  • MBSFN Multimedia Broadcast multicast service Single Frequency Network
  • the MBSFN service can adopt the same modulation and coding format in multiple cells, and the same content is generated by the same physical resource.
  • the characteristics of the eMBMS multi-cell transmission include: 1) in the MBSFN area Internal synchronous transmission; 2) support multi-cell eMBMS transmission and merge; 3) multicast traffic CHannel (MTCH) and multicast control channel (MCCH) mapped to point-to-multipoint (pTm) mode On the MCH transport channel; 4) MBSFN synchronization area, MBSNF area, MBSFN transmission, advertisement, reserved cell, etc. are all semi-statically configured by operation and maintenance.
  • UE user equipment
  • a plurality of cells that use the same physical resource and transmit the same eMBMS service in the MBSFN transmission mode may constitute one MBSFN area.
  • MBSFN areas In the actual network deployment of eMBMS, there are multiple MBSFN areas with different frequencies in the same eMBMS service area. These MBSFN areas provide the same eMBMS service.
  • the target cell is determined by the network side.
  • the UE in the Radio Resource Control (RRC) connection state is located in the eNB cell of the MBSFN area, the eMBMS service is being received or interested.
  • the UE informs the eNB of the frequency set of the eMBMS that is of interest or receiving by the eNB through the RRC message MBMS Interest Indication and the multicast priority identifier.
  • RRC Radio Resource Control
  • the eNB performs a handover decision according to the measurement result, and determines that the UE may be handed over to the frequency cell of the non-MBSFN area. And not switching to the cell in the frequency set of the eMBMS reported by the UE. In this case, if the UE has the eMBMS service in the MBSFN mode in the source cell, then after the handover, the cell in the non-MBSFN area is Failure to provide eMBMS services will result in the UE being unable to receive interest or interrupt ongoing eMBMS services.
  • the frequency set of the eMBMS service in the MBMSInterestIndication currently reported by the terminal is a frequency set that does not distinguish between different types of eMBMS services, which causes the eNB to perform corresponding processing for different service types when performing the handover decision. For example, currently the UE cannot distinguish between The frequency set of the eMBMS service that the user is interested in or is in progress, so that the eNB cannot perform corresponding processing on the frequency set being received and interested in the handover decision. If the terminal is receiving the eMBMS service, the eNB may decide to switch. In a cell in which the frequency of the eMBMS service is concentrated, the service interruption of the terminal is caused, which affects the user experience.
  • the embodiments of the present invention provide a method, a system, a device, and a computer readable medium for maintaining eMBMS service continuity, which can ensure the continuity of the eMBMS service of the terminal and improve the user experience.
  • the embodiment of the invention provides a method for maintaining eMBMS service continuity, including:
  • the eMBMS service frequency set identifier is used to distinguish a frequency set of different types of eMBMS services
  • the judgment of the handover is performed in the same cell in which the frequency set corresponding to the service is performed.
  • the event is measured by using the corresponding frequency set of the eMBMS service frequency set identifier, and the measurement report is reported to the source base station after the event measurement result meets the preset condition, including:
  • the source base station determines whether to complete cell handover.
  • the eMBMS service frequency set identifier includes: the terminal is in progress The eMBMS service frequency set identifier, and/or the eMBMS service frequency set identifier of interest to the user.
  • the embodiment of the invention further provides a method for maintaining eMBMS service continuity, including:
  • the eMBMS service frequency set identifier is configured to distinguish a frequency set of different types of eMBMS services
  • the event measurement configuration for delivering the corresponding frequency set to the terminal according to the eMBMS service frequency set identifier includes:
  • the second event measurement configuration of the corresponding frequency set is sent to the terminal according to the eMBMS service frequency set identifier.
  • the eMBMS service frequency set identifier includes: an eMBMS service frequency set identifier that is performed by the terminal or an eMBMS service frequency set identifier that is interested in the user.
  • the eMBMS service frequency set identifier includes an eMBMS service frequency set identifier that the terminal is performing and an eMBMS service frequency set identifier that is interested in the user;
  • the switching the terminal to the cell in any frequency corresponding to the frequency set of the eMBMS service frequency set identifier comprises: preferentially switching the terminal to the frequency corresponding to the ongoing frequency of the eMBMS service frequency set identifier of the terminal In a frequency of a cell.
  • the embodiment of the invention further provides a terminal, including:
  • a sending module configured to send an enhanced multimedia broadcast multicast service eMBMS service frequency set identifier to the source base station; the eMBMS service frequency set identifier is used to distinguish a frequency set of different types of eMBMS services;
  • the measurement reporting module is configured to measure an event corresponding to the frequency set corresponding to the eMBMS service frequency set identifier, and report the measurement report to the source base station after the event measurement result meets the preset condition, where the measurement report is used to complete the assurance
  • the source base station determines that the handover is performed in a cell having the same frequency set as the current eMBMS service of the terminal.
  • the measurement reporting module includes:
  • the first measurement reporting sub-module is configured to perform a first event measurement based on the first event measurement configuration sent by the source base station, and report the first measurement report to the source base station after the first event measurement result meets the preset condition, where The first event measurement report is used by the source base station to determine whether to perform cell handover;
  • the second measurement reporting sub-module is configured to perform a second event measurement based on the second event measurement configuration sent by the source base station, and report the second measurement report to the source base station after the second event measurement result meets the preset condition, where The second event measurement report is used by the source base station to determine whether to complete the cell handover.
  • the embodiment of the invention further provides a base station, including:
  • a receiving module configured to receive an enhanced multimedia broadcast multicast service eMBMS service frequency set identifier sent by the terminal; the eMBMS service frequency set identifier is used to distinguish a frequency set of different types of eMBMS services;
  • a measurement configuration module configured to send an event measurement configuration of the corresponding frequency set to the terminal according to the eMBMS service frequency set identifier
  • the switching module is configured to perform cell handover determination based on the measurement report reported by the terminal, and switch the terminal to a cell of any frequency corresponding to the frequency set of the eMBMS service frequency set identifier.
  • the measurement configuration module includes:
  • a first measurement configuration sub-module configured to: when receiving the eMBMS service frequency set identifier sent by the terminal, send a corresponding frequency to the terminal according to the eMBMS service frequency set identifier The first event measurement configuration of the set;
  • the second measurement configuration sub-module is configured to: when receiving the first measurement report reported by the terminal, send a second event measurement configuration of the corresponding frequency set to the terminal according to the eMBMS service frequency set identifier.
  • the embodiment of the present invention further provides a system for maintaining eMBMS service continuity, including a source base station and a terminal, where
  • the terminal is configured to send an eMBMS service frequency set identifier to the source base station, and measure an event corresponding to the eMBMS service frequency set identifier corresponding frequency set, and send the event to the source base station after the event measurement result meets a preset condition. And reporting the measurement report; the measurement report is used for determining that the source base station performs handover in a cell with the same frequency set corresponding to the current eMBMS service of the terminal;
  • the source base station is configured to receive an eMBMS service frequency set identifier sent by the terminal, and send an event measurement configuration of the corresponding frequency set to the terminal according to the eMBMS service frequency set identifier; and receive the measurement reported by the terminal At the time of reporting, performing cell handover determination, and switching the terminal to a cell target base station of any frequency corresponding to the frequency set of the eMBMS service frequency set identifier;
  • the eMBMS service frequency set identifier is configured to distinguish a frequency set of different types of eMBMS services.
  • the embodiment of the present invention further provides a computer readable medium having stored therein executable instructions for performing any of the methods described above for maintaining eMBMS service continuity.
  • the terminal reports the eMBMS service frequency set identifier to the source base station, and the source base station sends the event measurement configuration corresponding to the eMBMS service frequency set identifier corresponding frequency set to the terminal, where the terminal is in the frequency range. Perform measurement and report the measurement report to the source base station; thus, the source base station can ensure the frequency set corresponding to the current eMBMS service of the terminal.
  • FIG. 1 is a schematic diagram of an application scenario of switching a terminal to a unicast cell
  • FIG. 2 is a schematic flowchart of a method for maintaining eMBMS service continuity according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of a method for maintaining eMBMS service continuity according to Embodiment 1 of the present invention
  • FIG. 4 is a schematic flowchart of a method for maintaining eMBMS service continuity according to Embodiment 2 of the present invention.
  • FIG. 5 is a schematic flowchart of a method for maintaining eMBMS service continuity according to Embodiment 3 of the present invention.
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic flowchart of a method for maintaining eMBMS service continuity in a manner compatible with an embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of a system for maintaining an eMBMS service continuity according to an embodiment of the present invention.
  • the terminal shown by the black filled solid circle receives the eMBMS service in the cell A and belongs to the MBSFN area A, and the frequency provided is F1;
  • the cell B provides the eMBMS service and belongs to the MBSFN area B, and the frequency provided is F2;
  • the cell C is a unicast cell, and the frequency provided is F3.
  • the terminal moves to the edge of the cell A and close to the cell B and the cell C, the terminal reports the measurement to the evolved base station eNB. It is reported that the eNB will switch the terminal to the cell C according to the measurement report, and in order to maintain the eMBMS service continuity, it is desirable to switch the terminal to the cell B.
  • the embodiment of the present invention provides that the MBMSInterestIndication reported by the terminal includes the frequency set of the eMBMS service being received, and/or the frequency set of the eMBMS service of interest; preferably, the multicast unicast priority may also be included. If there is a multicast unicast priority identifier, the unicast frequency and the multicast frequency cannot be balanced. Then, the terminal expects to receive the multicast frequency service preferentially; if the multicast unicast priority identifier is not carried, it indicates Priority is given to receiving unicast frequency services. For convenience of description, the frequency set of the eMBMS service being received is identified by the f1, and the frequency set of the eMBMS service of interest is identified by the f2.
  • the embodiment of the present invention is based on the consideration of the eMBMS service transmitted in the MBSFN manner.
  • a method for maintaining the continuity of the eMBMS service is proposed. As shown in FIG. 2, the following steps are included:
  • Step 201 The terminal sends the identifier of the eMBMS service frequency set to the source base station.
  • the eMBMS service frequency set identifier is used to distinguish the frequency set corresponding to different types of eMBMS services included in the MBMSInterestIndication reported by the terminal, including: a frequency set of the eMBMS service being received, and/or a frequency set of the eMBMS service of interest.
  • the specific form of the eMBMS service frequency set identifier may be any symbol having a distinguishing function, which is not limited herein;
  • the terminal may obtain the service type directly from the application layer list.
  • the different eMBMS service types correspond to different eMBMS service frequency set identifiers, where the eMBMS service type may include the eMBMS service that the terminal is receiving, and/or the user.
  • different eMBMS service types correspond to different frequency sets.
  • the MBMSInterestIndication reported by the terminal includes the terminal receiving the terminal.
  • the corresponding eMBMS service frequency set identifier may be represented by f1; or the MBMSInterestIndication reported by the terminal includes the frequency set corresponding to the eMBMS service that the user is interested in, and the corresponding eMBMS service frequency set identifier may be f2.
  • the indication may also include the eMBMS service frequency set identifier f1 and the eMBMS service frequency set identifier f2.
  • the MBMSInterestIndication sent by the terminal may further include a multicast unicast priority identifier; when the MBMSInterestIndication sent by the terminal includes the multicast unicast priority identifier The terminal preferentially receives the multicast frequency service; otherwise, the terminal preferentially receives the unicast frequency service.
  • Step 202 After receiving the identifier of the eMBMS service frequency set sent by the terminal, the source base station sends an event measurement configuration of the corresponding frequency set to the terminal according to the eMBMS service frequency set identifier, and the terminal performs the eMBMS service sent by the source base station.
  • the frequency set identifies an event measurement of the corresponding frequency set, and reports the measurement report to the source base station after the event measurement result meets the preset condition;
  • the measurement report is used to complete the determination to ensure that the source base station performs handover in the same cell set as the current eMBMS service corresponding to the terminal.
  • the source base station After receiving the message including the MBMSInterestIndication sent by the terminal, the source base station sends an event measurement configuration of the corresponding frequency set to the terminal according to the eMBMS service frequency set identifier in the MBMSInterestIndication; the preset condition is a preset condition for reporting the measurement report. It belongs to the prior art and will not be described here.
  • the step may further include:
  • the first event measurement configuration of the corresponding frequency set is sent to the terminal according to the eMBMS service frequency set identifier; the terminal performs the first event sent by the source base station. And measuring, after the first event measurement result meets the preset condition, reporting the first measurement report to the source base station, where the first event measurement performed by the terminal is to determine whether the source base station needs to switch the current cell, and the cell handover ensures the source Base station is in The terminal performs handover within the same frequency set corresponding to the current eMBMS service.
  • the second event measurement configuration of the corresponding frequency set is sent to the terminal according to the eMBMS service frequency set identifier; and the terminal performs the second event measurement sent by the source base station. After the second event measurement result meets the preset condition, the second measurement report is reported to the source base station.
  • the second event measurement performed by the terminal is for the source base station to determine whether the current cell handover is completed.
  • the preset condition is a pre-set condition for reporting the measurement report, which is a prior art and is not described here.
  • the terminal and the source base station may perform three or more measurements and reports according to the foregoing manner to complete cell handover and ensure continuity of the eMBMS service, thereby reducing false handover and ensuring handover accuracy.
  • Step 203 When receiving the measurement report reported by the terminal, the source base station performs cell handover determination, and switches the terminal to a cell of any frequency corresponding to the frequency set of the eMBMS service frequency set identifier.
  • the source base station preferentially switches the terminal to the cell of any frequency corresponding to the frequency set of the eMBMS service frequency set identifier f1. in.
  • the terminal in the RRC connected state reports the eMBMS service frequency set identifier to the source base station by using the MBMSInterestIndication in the RRC message, and the source base station sends the event measurement configuration corresponding to the eMBMS service frequency set identifier corresponding to the frequency set.
  • the terminal performs event measurement in the frequency range and reports the measurement report to the source base station.
  • the source base station can be switched in the same frequency set as the current eMBMS service corresponding to the terminal, thereby ensuring the eMBMS service of the terminal user. Continuously improve the user experience.
  • the MBMSInterestIndication reported by the terminal includes different eMBMS service frequency set identifiers, and the present invention can be specifically implemented as follows.
  • the MBMSInterestIndication reported by the terminal includes only the eMBMS service frequency set identifier f1.
  • the method for maintaining the continuity of the eMBMS service in the embodiment is as shown in FIG. 3, and the method includes:
  • Step 301 The terminal sends the eMBMS service frequency set identifier f1 to the source base station (source eNB).
  • the MBMSInterestIndication sent by the terminal only includes the eMBMS service frequency set identifier f1, that is, only the frequency set of the eMBMS service that the terminal is receiving.
  • the MBMSInterestIndication may also include a multicast unicast priority identifier.
  • Step 302 The source base station sends a measurement configuration of the A2 event corresponding to the eMBMS service frequency set identifier f1.
  • the threshold of the A2 event is configured by the gateway, and the A2 event threshold is higher than the frequency threshold of the unicast service.
  • Step 303 After measuring that the measurement configuration of the A2 event meets the preset condition, the terminal reports the A2 event measurement report to the source base station.
  • Step 304 The source base station sends an A3 event measurement configuration corresponding to the eMBMS service frequency set identifier f1 to the terminal when receiving the A2 event measurement report reported by the terminal.
  • the threshold of the A3 event is higher than the frequency threshold of the unicast service, so that the A3 event corresponding to the eMBMS service frequency set identifier f1 is preferentially satisfied during the terminal measurement.
  • Step 305 After measuring that the measurement configuration of the A3 event meets the preset condition, the terminal reports the A3 event measurement report to the source base station.
  • Step 306 When receiving the A3 event measurement report reported by the terminal, the source base station performs cell handover determination, and preferentially switches the terminal to any one of the frequency sets corresponding to the eMBMS service frequency set identifier f1.
  • the terminal preferentially receives the unicast frequency service; correspondingly, in the step In step 302, the A2 event threshold is a frequency threshold of the unicast service; in step 304, the threshold of the A3 event is a frequency threshold of the unicast service, thereby ensuring that the terminal measures the eMBMS service frequency preferentially.
  • the A3 event corresponding to the identifier f1.
  • a method for maintaining the continuity of the eMBMS service in the embodiment is as shown in FIG. 4.
  • the difference between the embodiment and the first embodiment is that the MBMSInterestIndication sent by the terminal only includes the eMBMS service frequency set identifier f2, that is, only the The frequency set of the eMBMS service that the user is interested in.
  • steps 401-406 only replace the eMBMS service frequency set identifier f1 appearing in steps 301-306 in the first embodiment with the eMBMS service frequency set identifier f2, and the remaining specific processing steps and operations are basically the same, therefore, Let me repeat.
  • the method for maintaining the continuity of the eMBMS service in the embodiment is as shown in FIG. 5.
  • the difference between the embodiment and the first embodiment is that the MBMSInterestIndication sent by the terminal includes the eMBMS service frequency set identifier f1 and the eMBMS service frequency set.
  • the identifier f2 that is, the frequency set of the eMBMS service that the terminal is receiving and the frequency set of the eMBMS service that the user is interested in.
  • steps 501-506 only replace the eMBMS service frequency set identifier f1 appearing in steps 301-306 in the first embodiment with the eMBMS service frequency set identifier f1 and the eMBMS service frequency set identifier f2, and the remaining specific processing steps and operations are basically The same, therefore, will not be described here.
  • the threshold corresponding to the frequency set corresponding to the eMBMS service frequency set identifier f1 is higher than the threshold corresponding to the frequency set corresponding to the eMBMS service frequency set identifier f2, so that the terminal in step 505 can be guaranteed.
  • the preset measurement condition that satisfies the A3 event corresponding to the eMBMS service frequency set identifier f1 is preferentially measured.
  • the terminal reports the measurement report of the A3 event corresponding to the eMBMS service frequency set identifier f1 to the source base station, and the source base station preferentially switches to the eMBMS service frequency set identifier f1.
  • the frequency is concentrated in any one of the cells.
  • the terminal If the terminal is unable to measure the A3 event corresponding to the eMBMS service frequency set identifier f1, the terminal measures the A3 event corresponding to the eMBMS service frequency set identifier f2, and reports the measurement report of the A3 event corresponding to the eMBMS service frequency set identifier f2 to the source base station.
  • the source base station preferentially switches to any one of the frequency sets corresponding to the eMBMS service frequency set identifier f2.
  • the embodiment of the present invention further provides a terminal 60.
  • the terminal 60 includes:
  • the sending module 601 is configured to send the eMBMS service frequency set identifier to the source base station; the eMBMS service frequency set identifier is used to distinguish the frequency set of different types of eMBMS services;
  • the measurement reporting module 602 is configured to measure an event that is sent by the source base station and is related to the eMBMS service frequency set identifier, and report the measurement report to the source base station after the event measurement result meets the preset condition, where the measurement report is sent.
  • the report is used to complete the determination that the source base station performs handover in the same cell set as the current eMBMS service corresponding to the terminal.
  • the measurement reporting module 602 may further include (shown in the figure):
  • the first measurement reporting sub-module 6021 is configured to perform a first event measurement configuration (transmitted by the source base station based on the eMBMS service frequency set identifier) by the source base station to perform the first event measurement (that is, to identify the eMBMS service frequency set identifier)
  • the event corresponding to the frequency set is measured, and the first measurement report is reported to the source base station after the obtained first event measurement result meets the preset condition;
  • the second measurement reporting module 6022 (coupled with the first measurement reporting sub-module 6021) is configured to perform a second event measurement by transmitting, by the source base station, the first event measurement configuration (transmitted by the source base station based on the eMBMS service frequency set identifier) That is, the event corresponding to the corresponding frequency set of the eMBMS service frequency set identifier is measured, and the obtained second event measurement result satisfies the preset condition.
  • the second measurement report is reported to the source base station.
  • the foregoing sending module 601 can be implemented by a transmitter in the terminal 60.
  • the measurement reporting module 602 can be implemented by one of the following transmitters in the terminal: a central processing unit (CPU), digital signal processing (DSP, Digital Signal Processor), Microprocessor Unit (MPU), or Field Programmable Gate Array (FPGA).
  • CPU central processing unit
  • DSP digital signal processing
  • MPU Microprocessor Unit
  • FPGA Field Programmable Gate Array
  • the embodiment of the present invention further provides a base station 70.
  • the base station 70 includes:
  • the receiving module 701 is configured to receive an eMBMS service frequency set identifier sent by the terminal, where the eMBMS service frequency set identifier is used to distinguish a frequency set of different types of eMBMS services;
  • the measurement configuration module 702 is configured to send an event measurement configuration of the corresponding frequency set to the terminal according to the eMBMS service frequency set identifier;
  • the switching module 703 is configured to perform cell handover determination based on the measurement report reported by the terminal, and switch the terminal to a cell of any frequency corresponding to the frequency set of the eMBMS service frequency set identifier.
  • the measurement configuration module 702 includes:
  • the first measurement configuration sub-module 7021 is configured to: when receiving the eMBMS service frequency set identifier sent by the terminal, send a first event measurement configuration of the corresponding frequency set to the terminal according to the eMBMS service frequency set identifier;
  • the second measurement configuration sub-module 7022 (coupled with the first measurement configuration sub-module 7021) is configured to: when receiving the first measurement report reported by the terminal, send the corresponding frequency set to the terminal according to the eMBMS service frequency set identifier The second event measurement configuration.
  • the receiving module 701 can be implemented by a receiver in the base station 70; the measurement configuration module 702 can be implemented by the base station 70 receiver in combination with one of the following: a CPU, or a DSP, or an MPU, or an FPGA; the switching module 703 can be a CPU in the base station 70, DSP, MPU, or FPGA implementation.
  • the embodiment of the invention further provides a system for maintaining eMBMS service continuity, as shown in FIG.
  • the indication includes a base station 70 (the base station 70 is a source base station), a terminal 60 and a base station 80 (the base station 80 is a target base station);
  • the terminal 60 is configured to send an eMBMS service frequency set identifier to the source base station, and measure an event corresponding to the eMBMS service frequency set identifier corresponding frequency set, and send the event to the source after the event measurement result meets a preset condition.
  • the base station reports a measurement report, where the measurement report is used for determining that the source base station performs handover in a cell with the same frequency set corresponding to the current eMBMS service of the terminal;
  • the base station 70 is configured to receive an eMBMS service frequency set identifier sent by the terminal 60, and send an event measurement configuration of the corresponding frequency set to the terminal 60 according to the eMBMS service frequency set identifier; when receiving the report reported by the terminal 60 At the time of the measurement report, the cell handover determination is performed, and the terminal 60 is switched to the cell base station 80 (target base station) of any frequency corresponding to the frequency set of the eMBMS service frequency set identifier.
  • the eMBMS service frequency set identifier is used to distinguish eMBMS frequency sets of different types of services.
  • the terminal 60 is further configured to perform a first event measurement based on the first event measurement configuration sent by the source base station, and report the first measurement report to the source base station after the first event measurement result meets the preset condition,
  • the first event measurement report is used by the source base station to determine whether to perform cell handover;
  • the source base station determines whether to complete the cell handover.
  • the base station 70 is further configured to: when receiving the eMBMS service frequency set identifier sent by the terminal 60, send a first event measurement configuration to the terminal 60 according to the eMBMS service frequency set identifier to send the corresponding frequency set according to the eMBMS service frequency set identifier. ;
  • the rate set identifier sends a second event measurement configuration of the corresponding frequency set to the terminal 60.
  • the structure of the terminal 60 and the functions of the components may be described in the structure shown in FIG. 6 and the description of each component module; the composition of the base station 70 and the functions of the components may be as shown in FIG. Structure and description of each component module.
  • the embodiment of the present invention has certain improvements to the terminal, the base station, and the corresponding interaction process.
  • the terminal shown in FIG. 6 and the base station shown in FIG. 7 cooperate with each other to complete the embodiment of the present invention.
  • the method for maintaining the continuity of the eMBMS service, but in the process of the terminal and the base station interaction in the prior art, the message including the MBMSInterestIndication does not include different eMBMS service frequency set identifiers to distinguish the frequency of the eMBMS service being received. Set and frequency set of eMBMS services of interest.
  • the terminal of the old version in the prior art may adopt the processing flow shown in FIG.
  • the terminal only needs to send the MBMSInterestIndication of the frequency set containing the eMBMS service to the eNB twice in succession, if If the content of the frequency set of the eMBMS service included in the two MBMSInterestIndications is consistent, the eNB considers that the first frequency in the frequency set is the frequency of the eMBMS service being received; thus, it is not necessary to make major changes to the old version terminal, and is also compatible.
  • the idea of implementing the embodiments of the present invention is described in succession.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本发明实施例公开了一种保持增强型多媒体广播多播业务(eMBMS)业务连续性的方法，其中，所述方法包括以下步骤：终端将eMBMS业务频率集标识发送给源基站；所述eMBMS业务频率集标识用于区分不同类型eMBMS业务的频率集；终端进行源基站发送的与所述eMBMS业务频率集标识对应频率集的事件测量，当所述事件测量结果满足预设条件后向源基站上报测量报告，所述测量报告用于完成保证源基站在与终端当前eMBMS业务对应的频率集相同的小区内进行切换的判断。本发明实施例还同时公开了一种保持eMBMS业务连续性的系统、设备和计算机可读介质。

Description

保持eMBMS业务连续性的方法及系统、设备 技术领域
本发明涉及通信领域中的切换技术，尤其涉及一种保持增强型多媒体广播多播业务(ehanced Multimedia Broadcast/Multicast Service，eMBMS)业务连续性的方法及系统、设备及计算机可读介质。
背景技术
随着Internet的迅猛发展和大屏幕多功能手机的普及，出现了大量移动数据多媒体业务和各种高带宽多媒体业务，例如，视频会议、电视广播、视频点播、广告、网上教育、互动游戏等，这些移动数据多媒体业务不仅满足了移动用户不断上升的业务需求，同时也为移动运营商带来了新的业务增长点；并且，这些移动数据多媒体业务要求多个用户能够同时接收相同数据，与一般的数据业务相比，具有数据量大、持续时间长、时延敏感等特点。
为了有效地利用移动网络资源，第三代合作伙伴计划(3rd Generation Partnership Project，3GPP)提出eMBMS，eMBMS是一种共享网络资源从一个数据源向多个目标传送数据的技术。采用eMBMS技术，网络资源的利用将取决于内容渠道的数量，而非用户数量。在用户数量很大的情况下，核心网和无线接入网可以实现大量的资源节约，进而有效降低网络成本。
在LTE中，eMBMS业务可采用多播模式，称为多媒体广播多播单频网络(Multimedia Broadcast multicast service Single Frequency Network，MBSFN)传输方式，采用MBSFN传输方式的业务称为MBSFN业务。MBSFN业务可以在多个小区采用相同的调制后编码格式，采用相同的物理资源发生相同内容，eMBMS多小区传输的特征包括：1)在MBSFN区域 内同步传输；2)支持多小区eMBMS传输合并；3)多播业务信道(Multicast Traffic CHannel，MTCH)和多播控制信道(Multicast Control CHannel，MCCH)在点到多点(p-T-m)模式下映射到MCH传输信道上；4)MBSFN同步区域、MBSNF区域、MBSFN传输、广告、保留小区等均由操作维护半静态配置。这样，多个小区的用户设备(User equipment，UE)可以接收到多个内容相同的eMBMS数据并进行单频网(SFN)合并，从而可提高接收信号的增益。采用相同物理资源，并采用MBSFN发送模式发送相同eMBMS业务的多个小区可构成一个MBSFN区域。
在eMBMS的实际网络部署中，在同一个eMBMS服务区内，有多个频率不同的MBSFN区域，这些MBSFN区域提供相同的eMBMS业务。
在UE小区切换中，目标小区由网络侧来决定。对于一个具备eMBMS业务能力的UE来说，按照现有的切换方法，当处于无线资源控制协议(Radio Resource Control，RRC)连接状态的UE位于MBSFN区域的eNB小区下，正在接收或者感兴趣eMBMS业务A时，UE通过RRC消息MBMS兴趣指示(MBMSInterestIndication)告知eNB所感兴趣或正在接收的eMBMS的频率集以及多播优先级标识。如果UE移动到MBSFN区域中所在小区的边缘，当UE满足某个频率的测量条件上报给eNB时，eNB根据测量结果进行切换判决，判决有可能将该UE切换到一个非MBSFN区域的频率小区中，而并非切换到UE上报的eMBMS的频率集中的小区中，这种情况下，如果该UE在源小区存在通过MBSFN方式进行的eMBMS业务，那么，在切换后，由于该非MBSFN区域的小区并不提供eMBMS业务，就会导致该UE无法接收感兴趣或者中断正在进行的eMBMS业务。
此外，目前终端上报的MBMSInterestIndication中eMBMS业务的频率集是不区分不同类型eMBMS业务的频率集，这就导致eNB在进行切换判决时无法针对不同的业务类型进行相应的处理。例如，目前UE无法区分用 户感兴趣或者正在进行的eMBMS业务的频率集，这样，会导致eNB在进行切换判决时无法对正在接收和感兴趣的频率集进行相应的处理，若终端正在接收eMBMS业务，eNB则可能判决切换到一个感兴趣的eMBMS业务的频率集中的小区中，导致终端正在进行的业务中断，影响用户体验。
发明内容
本发明实施例提供一种保持eMBMS业务连续性的方法、系统、设备及计算机可读介质，能保证终端eMBMS业务的连续性，提高用户体验。
本发明实施例的技术方案是这样实现的：
本发明实施例提供了一种保持eMBMS业务连续性的方法，包括：
将eMBMS业务频率集标识发送给源基站；所述eMBMS业务频率集标识用于区分不同类型eMBMS业务的频率集；
对与所述eMBMS业务频率集标识对应频率集的事件进行测量，当事件测量结果满足预设条件后向所述源基站上报测量报告，所述测量报告用于所述源基站在与终端当前eMBMS业务对应的频率集相同的小区内进行切换的判断。
上述方案中，所述对所述eMBMS业务频率集标识对应频率集的事件进行测量，当事件测量结果满足预设条件后向所述源基站上报测量报告，包括：
基于所述源基站发送的第一事件测量配置进行第一事件测量，当第一事件测量结果满足预设条件后向所述源基站上报第一测量报告，所述第一事件测量报告用于供所述源基站确定是否进行小区切换；
基于所述源基站发送的第二事件测量配置进行第二事件测量，当第二事件测量结果满足预设条件后向所述源基站上报第二测量报告，所述第二事件测量报告用于供所述源基站确定是否完成小区切换。
上述方案中，所述eMBMS业务频率集标识包括：终端正在进行的 eMBMS业务频率集标识、和/或用户感兴趣的eMBMS业务频率集标识。
本发明实施例还提供了一种保持eMBMS业务连续性的方法，包括：
接收终端发送的eMBMS业务频率集标识；所述eMBMS业务频率集标识配置为区分不同类型eMBMS业务的频率集；
根据所述eMBMS业务频率集标识向所述终端下发对应频率集的事件测量配置；
基于所述终端上报的测量报告，进行小区切换判断，并将所述终端切换到所述eMBMS业务频率集标识对应频率集中任一频率的小区中。
上述方案中，所述根据所述eMBMS业务频率集标识向所述终端下发对应频率集的事件测量配置包括：
当接收到所述终端发送的eMBMS业务频率集标识时，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的第一事件测量配置；
当接收到所述终端上报的第一测量报告时，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的第二事件测量配置。
上述方案中，所述eMBMS业务频率集标识包括：终端正在进行的eMBMS业务频率集标识或用户感兴趣的eMBMS业务频率集标识。
上述方案中，所述eMBMS业务频率集标识包括终端正在进行的eMBMS业务频率集标识和用户感兴趣的eMBMS业务频率集标识；
相应的，所述将所述终端切换到所述eMBMS业务频率集标识对应频率集中任一频率的小区中，包括：优先将所述终端切换到终端正在进行的eMBMS业务频率集标识对应频率集中任一频率的小区中。
本发明实施例又提供了一种终端，包括：
发送模块，配置为将增强型多媒体广播多播业务eMBMS业务频率集标识发送给源基站；所述eMBMS业务频率集标识用于区分不同类型eMBMS业务的频率集；
测量上报模块，配置为对与所述eMBMS业务频率集标识对应频率集的事件进行测量，当事件测量结果满足预设条件后向所述源基站上报测量报告，所述测量报告用于完成保证所述源基站在与终端当前eMBMS业务对应的频率集相同的小区内进行切换的判断。
上述方案中，所述测量上报模块包括：
第一测量上报子模块，配置为基于所述源基站发送的第一事件测量配置进行第一事件测量，当第一事件测量结果满足预设条件后向所述源基站上报第一测量报告，所述第一事件测量报告用于供所述源基站确定是否进行小区切换；
第二测量上报子模块，配置为基于所述源基站发送的第二事件测量配置进行第二事件测量，当第二事件测量结果满足预设条件后向源基站上报第二测量报告，所述第二事件测量报告用于供所述源基站确定是否完成小区切换。
本发明实施例还提供了一种基站，包括：
接收模块，配置为接收终端发送的增强型多媒体广播多播业务eMBMS业务频率集标识；所述eMBMS业务频率集标识用于区分不同类型eMBMS业务的频率集；
测量配置模块，配置为根据所述eMBMS业务频率集标识向所述终端下发对应频率集的事件测量配置；
切换模块，配置为基于所述终端上报的测量报告，进行小区切换判断，并将所述终端切换到所述eMBMS业务频率集标识对应频率集中任一频率的小区中。
上述方案中，所述测量配置模块包括：
第一测量配置子模块，配置为接收到所述终端发送的eMBMS业务频率集标识时，根据所述eMBMS业务频率集标识向所述终端下发对应频率 集的第一事件测量配置；
第二测量配置子模块，配置为接收到所述终端上报的第一测量报告时，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的第二事件测量配置。
本发明实施例还提供了一种保持eMBMS业务连续性的系统，包括源基站、终端，其中，
所述终端，配置为将eMBMS业务频率集标识发送给所述源基站；对与所述eMBMS业务频率集标识对应频率集的事件进行测量，当事件测量结果满足预设条件后向所述源基站上报测量报告；所述测量报告用于所述源基站在与所述终端当前eMBMS业务对应的频率集相同的小区内进行切换的判断；
所述源基站，配置为接收所述终端发送的eMBMS业务频率集标识，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的事件测量配置；当接收到所述终端上报的测量报告时，进行小区切换判断，并将所述终端切换到所述eMBMS业务频率集标识对应频率集中任一频率的小区目标基站中；
其中，所述eMBMS业务频率集标识配置为区分不同类型eMBMS业务的频率集。
本发明实施例还提供一种计算机可读介质，所述计算机可读介质中存储有可执行指令，所述可执行指令用于执行以上所述的任意一种保持eMBMS业务连续性的方法。
本发明实施例所提供的技术方案中，由终端将eMBMS业务频率集标识上报给源基站，源基站向终端下发与eMBMS业务频率集标识对应频率集的事件测量配置，终端在此频率范围内进行测量，并向源基站上报测量报告；如此，就能保证源基站在与终端当前eMBMS业务对应的频率集相 同的小区内进行切换，避免终端切换到一个非MBSFN区域的频率小区，也避免终端从一个正在进行eMBMS业务的频率集的小区切换到其它业务的频率集的小区，从而保证了终端eMBMS业务的连续性，提高用户体验。
附图说明
图1为将终端切换到单播小区的应用场景示意图；
图2本发明实施例提供的保持eMBMS业务连续性的方法的流程示意图；
图3为本发明实施例一提供的保持eMBMS业务连续性的方法的流程示意图；
图4为本发明实施例二提供的保持eMBMS业务连续性的方法的流程示意图；
图5为本发明实施例三提供的保持eMBMS业务连续性的方法的流程示意图；
图6为本发明实施例提供的终端的组成结构示意图；
图7为本发明实施例提供的基站的组成结构示意图；
图8为与本发明实施例兼容方式的保持eMBMS业务连续性的方法的流程示意图；
图9为本发明实施例保持eMBMS业务连续性系统的结构示意图。
具体实施方式
为了具体说明要解决的问题，结合图1来进行描述，如图1所示，黑色填充的实心圆所示的终端在小区A中接收eMBMS业务且归属于MBSFN区域A，提供的频率为F1；小区B提供eMBMS业务且归属于MBSFN区域B，提供的频率为F2；小区C为单播小区，提供的频率为F3。当终端由于移动到小区A边缘靠近小区B和小区C，终端向演进基站eNB上报测量 报告，eNB则根据测量报告会将终端切换到小区C中，而为了保持eMBMS业务连续性，期望将终端切换到小区B中。
为解决上述问题，本发明实施例提出：终端上报的MBMSInterestIndication中包含正在接收的eMBMS业务的频率集、和/或感兴趣的eMBMS业务的频率集；优选地，还可以包括多播单播优先级标识；如果携带有多播单播优先级标识，则说明单播频率和多播频率不能兼顾，那么，终端期望优先接收多播频率的业务；如果不携带多播单播优先级标识，则表示优先接收单播频率业务。为方便说明，正在接收的eMBMS业务的频率集采用f1标识，感兴趣的eMBMS业务的频率集采用f2标识。
下面结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。
本发明实施例基于对以MBSFN方式传送的eMBMS业务的考虑，为了保证用户eMBMS业务的连续性，提出一种保持eMBMS业务连续性的方法，如图2所示，包括以下步骤：
步骤201、终端将eMBMS业务频率集标识发送给源基站；
其中，所述eMBMS业务频率集标识用于区分终端上报的MBMSInterestIndication中包含的不同类型eMBMS业务对应的频率集，包括：正在接收的eMBMS业务的频率集、和/或感兴趣的eMBMS业务的频率集；所述eMBMS业务频率集标识的具体形式可以是具有区分作用的任何符号，在此不做限定；
终端可以从应用层列表中直接获得业务类型，本发明实施例中，不同的eMBMS业务类型对应不同的eMBMS业务频率集标识；其中，eMBMS业务类型可以包括终端正在接收的eMBMS业务、和/或用户感兴趣的eMBMS业务，不同eMBMS业务类型对应不同的频率集。
例如，终端上报的MBMSInterestIndication中包含终端正在接收的 eMBMS业务对应的频率集，则对应的eMBMS业务频率集标识可采用f1表示；或者，终端上报的MBMSInterestIndication中包含用户感兴趣的eMBMS业务对应的频率集，则对应的eMBMS业务频率集标识可采用f2表示；也可以同时包含eMBMS业务频率集标识f1和eMBMS业务频率集标识f2。
优选地，在单播频率业务和多播频率业务不能兼容时，终端发送的MBMSInterestIndication中还可以包括多播单播优先级标识；当终端发送的MBMSInterestIndication中包含所述多播单播优先级标识时，终端优先接收多播频率业务；否则，终端优先接收单播频率业务。
步骤202、源基站接收到终端发送的eMBMS业务频率集标识后，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的事件测量配置；终端进行源基站发送的与所述eMBMS业务频率集标识对应频率集的事件测量，当所述事件测量结果满足预设条件后向源基站上报测量报告；
这里，所述测量报告用于完成保证源基站在与终端当前eMBMS业务对应的频率集相同的小区内进行切换的判断。
例如，源基站接收到终端发送的包含MBMSInterestIndication的消息后，根据MBMSInterestIndication中的eMBMS业务频率集标识向终端发送对应频率集的事件测量配置；所述预设条件为预先设置的可以上报测量报告的条件，属于已有技术，在此不再赘述。
为了使基站的小区切换判断更加准确，本步骤还可以包括：
当源基站接收到终端发送的eMBMS业务频率集标识时，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的第一事件测量配置；终端进行源基站发送的所述第一事件测量，当第一事件测量结果满足预设条件后，向源基站上报第一测量报告；其中，终端进行的第一事件测量是为了源基站确定是否需要切换当前小区，所述小区切换要保证源基站在与 终端当前eMBMS业务对应的频率集相同的小区内进行切换。
当源基站接收到终端上报的第一测量报告时，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的第二事件测量配置；终端进行源基站发送的所述第二事件测量，当第二事件测量结果满足预设条件后向源基站上报第二测量报告。其中，终端进行的第二事件测量是为了源基站确定是否完成当前小区切换；所述预设条件为预先设置的可以上报测量报告的条件，属于已有技术，在此不再赘述。
显然，本步骤中终端和源基站之间也可以依据上述方式进行三次或更多次测量和上报来完成小区切换且保证eMBMS业务的连续性，从而减少误切换，保证切换的准确性。
步骤203、源基站接收到终端上报的测量报告时，进行小区切换判断，并将所述终端切换到所述eMBMS业务频率集标识对应频率集中任一频率的小区中。
其中，当终端发送的MBMSInterestIndication消息同时包含eMBMS业务频率集标识f1和eMBMS业务频率集标识f2时，源基站优先将所述终端切换到所述eMBMS业务频率集标识f1对应频率集中任一频率的小区中。
本发明实施例中，处于RRC连接态的终端通过RRC消息中的MBMSInterestIndication将eMBMS业务频率集标识上报给源基站，源基站向终端下发与eMBMS业务频率集标识对应频率集的事件测量配置，使终端在此频率范围内进行事件测量，并向源基站上报测量报告，如此，就能保证源基站在与终端当前eMBMS业务对应的频率集相同的小区内进行切换，从而保证了终端用户eMBMS业务的连续，提高用户体验。
针对终端上报的MBMSInterestIndication中包含不同的eMBMS业务频率集标识，本发明具体可通过如下方式实施。
实施例一
本实施例中，终端上报的MBMSInterestIndication中仅包含eMBMS业务频率集标识f1，本实施例所述一种保持eMBMS业务连续性的方法，如图3所示，该方法包括：
步骤301、终端将eMBMS业务频率集标识f1发送给源基站(源eNB)；
本实施例中，终端发送的MBMSInterestIndication中仅包含eMBMS业务频率集标识f1，即仅包含终端正在接收的eMBMS业务的频率集；
实际应用中，所述MBMSInterestIndication中也可以包含多播单播优先级标识。
步骤302、源基站下发eMBMS业务频率集标识f1对应的A2事件的测量配置；
其中，A2事件的门限值由网关配置，且A2事件门限值高于单播业务的频率门限值。
步骤303、终端测量到A2事件的测量配置满足预设条件后，向源基站上报A2事件测量报告。
步骤304、源基站接收到终端上报的A2事件测量报告时，向终端下发eMBMS业务频率集标识f1对应的A3事件测量配置；
其中，A3事件的门限值高于单播业务的频率门限值，从而保证终端测量时优先满足eMBMS业务频率集标识f1对应的A3事件。
步骤305、终端测量到A3事件的测量配置满足预设条件后，向源基站上报A3事件测量报告。
步骤306、源基站接收到终端上报的A3事件测量报告时，进行小区切换判断，将终端优先切换到eMBMS业务频率集标识f1对应的频率集中的任意一个小区中。
其中，在步骤301中，若终端发送的MBMSInterestIndication中不包含多播单播优先级标识，则表明终端优先接收单播频率业务；相应的，在步 骤302中，A2事件门限值为单播业务的频率门限值；在步骤304中，A3事件的门限值为单播业务的频率门限值，从而保证终端测量时优先满足eMBMS业务频率集标识f1对应的A3事件。
实施例二
本实施例中提出的一种保持eMBMS业务连续性的方法，如图4所示，本实施例与实施例一的不同在于：终端发送的MBMSInterestIndication中仅包含eMBMS业务频率集标识f2，即仅包含用户感兴趣的eMBMS业务的频率集。
本实施例中，步骤401～406仅将实施例一中步骤301～306出现的eMBMS业务频率集标识f1替换为eMBMS业务频率集标识f2，其余具体处理步骤和操作基本相同，因此，在此不再赘述。
实施例三
本实施例中提出的一种保持eMBMS业务连续性的方法，如图5所示，本实施例与实施例一的不同在于：终端发送的MBMSInterestIndication中包含eMBMS业务频率集标识f1和eMBMS业务频率集标识f2，即同时包含终端正在接收的eMBMS业务的频率集和用户感兴趣的eMBMS业务的频率集。
本实施例中，步骤501～506仅将实施例一中步骤301～306出现的eMBMS业务频率集标识f1替换为eMBMS业务频率集标识f1和eMBMS业务频率集标识f2，其余具体处理步骤和操作基本相同，因此，在此不再赘述。
需要说明的是，本实施例中，eMBMS业务频率集标识f1对应的频率集对应的门限值高于eMBMS业务频率集标识f2对应的频率集对应的门限值，从而可以保证步骤505中终端优先测量满足eMBMS业务频率集标识f1对应的A3事件的预设测量条件。
若eMBMS业务频率集标识f1对应的A3事件满足预设测量条件，则终端向源基站上报eMBMS业务频率集标识f1对应的A3事件的测量报告，源基站优先切换到eMBMS业务频率集标识f1对应的频率集中任意一个小区中。
若终端始终无法测量到eMBMS业务频率集标识f1对应的A3事件，则终端测量eMBMS业务频率集标识f2对应的A3事件，并向源基站上报eMBMS业务频率集标识f2对应的A3事件的测量报告，源基站则优先切换到eMBMS业务频率集标识f2对应的频率集中的任意一个小区中。
为实现上述方法，本发明实施例还提供了一种终端60，如图6所示，该终端60包括：
发送模块601，配置为将eMBMS业务频率集标识发送给源基站；所述eMBMS业务频率集标识用于区分不同类型eMBMS业务的频率集；
测量上报模块602，配置为对与所述源基站发送的与所述eMBMS业务频率集标识对应频率集的事件进行测量，当事件测量结果满足预设条件后向源基站上报测量报告，所述测量报告用于完成保证源基站在与终端当前eMBMS业务对应的频率集相同的小区内进行切换的判断。
其中，所述测量上报模块602，还可以包括(图中为示出)：
第一测量上报子模块6021，配置为进行源基站发送的第一事件测量配置(由源基站基于所述eMBMS业务频率集标识发送)进行第一事件测量(也即对所述eMBMS业务频率集标识对应频率集的事件进行测量)，当得到的第一事件测量结果满足预设条件后向源基站上报第一测量报告；
第二测量上报模块6022(与第一测量上报子模块6021耦合)，配置为进行源基站发送的第一事件测量配置(由源基站基于所述eMBMS业务频率集标识发送)进行第二事件测量(也即对应所述eMBMS业务频率集标识对应频率集的事件进行测量)，当得到的第二事件测量结果满足预设条件 后向源基站上报第二测量报告。
在实际应用中，上述发送模块601、可由终端60中的发射机实现；测量上报模块602可由位于终端中的发射机结合以下之一实现：中央处理器(CPU，Central Processing Unit)、数字信号处理器(DSP，Digital Signal Processor)、微处理器(MPU，Micro Processor Unit)、或现场可编程门阵列(FPGA，Field Programmable Gate Array)。
本发明实施例还提供了一种基站70，如图7所示，该基站70包括：
接收模块701，配置为接收终端发送的eMBMS业务频率集标识；所述eMBMS业务频率集标识用于区分不同类型eMBMS业务的频率集；
测量配置模块702，配置为根据所述eMBMS业务频率集标识向所述终端下发对应频率集的事件测量配置；
切换模块703，配置为基于终端上报的测量报告，进行小区切换判断，并将所述终端切换到所述eMBMS业务频率集标识对应频率集中任一频率的小区中。
优选地，所述测量配置模块702包括：
第一测量配置子模块7021，配置为接收到终端发送的eMBMS业务频率集标识时，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的第一事件测量配置；
第二测量配置子模块7022(与第一测量配置子模块7021耦合)，配置为接收到终端上报的第一测量报告时，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的第二事件测量配置。
上述接收模块701可由基站70中的接收机实现；测量配置模块702可由基站70接收机结合以下之一实现：CPU、或DSP、或MPU、或FPGA实现；切换模块703可基站70中的CPU、DSP、MPU、或FPGA实现。
本发明实施例还提供一种保持eMBMS业务连续性的系统，如图9所 示，包括基站70(基站70为源基站)，终端60和基站80(基站80为目标基站)；
所述终端60，配置为将eMBMS业务频率集标识发送给所述源基站；对与所述eMBMS业务频率集标识对应频率集的事件进行测量，当事件测量结果满足预设条件后向所述源基站上报测量报告；所述测量报告用于所述源基站在与所述终端当前eMBMS业务对应的频率集相同的小区内进行切换的判断；
所述基站70，配置为接收终端60发送的eMBMS业务频率集标识，根据所述eMBMS业务频率集标识向所述终端60下发对应频率集的事件测量配置；当接收到所述终端60上报的测量报告时，进行小区切换判断，并将所述终端60切换到所述eMBMS业务频率集标识对应频率集中任一频率的小区基站80(目标基站)中。
其中，所述eMBMS业务频率集标识用于区分不同类型业务的eMBMS频率集。
作为一个实施方式，终端60还配置为基于所述源基站发送的第一事件测量配置进行第一事件测量，当第一事件测量结果满足预设条件后向所述源基站上报第一测量报告，所述第一事件测量报告用于供所述源基站确定是否进行小区切换；
基于所述源基站发送的第二事件测量配置进行第二事件测量，当第二事件测量结果满足预设条件后向源基站上报第二测量报告，所述第二事件测量报告用于供所述源基站确定是否完成小区切换。
作为一个实施方式，基站70还配置为：接收到所述终端60发送的eMBMS业务频率集标识时，根据所述eMBMS业务频率集标识向所述终端60下发对应频率集的第一事件测量配置；
接收到所述终端60上报的第一测量报告时，根据所述eMBMS业务频 率集标识向所述终端60下发对应频率集的第二事件测量配置。
例如，所述终端60的组成结构及各组成部分的功能可采用图6所示的结构及各组成模块的描述；所述基站70的组成结构及各组成部分的功能可采用图7所示的结构及各组成模块的描述。
根据上面的描述可以看出，本发明实施例对终端、基站及相应的交互流程都有一定的改进，如图6所示的终端和图7所示的基站相互配合，可以完成本发明实施例所述的保持eMBMS业务连续性的方法，但是，现有技术中的终端和基站交互过程中，包含MBMSInterestIndication的消息中并未包含不同的eMBMS业务频率集标识，以区分正在接收的eMBMS业务的频率集和感兴趣的eMBMS业务的频率集。为了保持终端的向前兼容性，现有技术中老版本的终端可以采用如图8所示的处理流程，具体包括：终端只需要向eNB连续两次发送包含eMBMS业务的频率集的MBMSInterestIndication，如果两次MBMSInterestIndication中包含的eMBMS业务的频率集的内容一致，则eNB认为频率集中的第一个频率为正在接收的eMBMS业务的频率；如此，不需要对老版本终端进行大的改动，也可以兼容实现本发明实施例的思路。
本领域内的技术人员应明白，本发明的实施例可提供为方法、系统、或计算机程序产品。因此，本发明可采用硬件实施例、软件实施例、或结合软件和硬件方面的实施例的形式。而且，本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、 嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
以上所述，仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围。

Claims (14)

  1. 一种保持增强型多媒体广播多播业务eMBMS业务连续性的方法，所述方法包括：
    将eMBMS业务频率集标识发送给源基站；所述eMBMS业务频率集标识用于区分不同类型eMBMS业务的频率集；
    对与所述eMBMS业务频率集标识对应频率集的事件进行测量，当事件测量结果满足预设条件后向所述源基站上报测量报告，所述测量报告用于所述源基站在与终端当前eMBMS业务对应的频率集相同的小区内进行切换的判断。
  2. 根据权利要求1所述的方法，其中，所述对所述eMBMS业务频率集标识对应频率集的事件进行测量，当事件测量结果满足预设条件后向所述源基站上报测量报告，包括：
    基于所述源基站发送的第一事件测量配置进行第一事件测量，当第一事件测量结果满足预设条件后向所述源基站上报第一测量报告，所述第一事件测量报告用于供所述源基站确定是否进行小区切换；
    基于所述源基站发送的第二事件测量配置进行第二事件测量，当第二事件测量结果满足预设条件后向所述源基站上报第二测量报告，所述第二事件测量报告用于供所述源基站确定是否完成小区切换。
  3. 根据权利要求1或2所述的方法，其中，所述eMBMS业务频率集标识包括：正在进行的eMBMS业务频率集标识、和/或用户感兴趣的eMBMS业务频率集标识。
  4. 一种保持增强型多媒体广播多播业务eMBMS业务连续性的方法，所述方法包括：
    接收终端发送的eMBMS业务频率集标识；所述eMBMS业务频率集标识用于区分不同类型eMBMS业务的频率集；
    根据所述eMBMS业务频率集标识向所述终端下发对应频率集的事件测量配置；
    基于所述终端上报的测量报告，进行小区切换判断，并将所述终端切换到所述eMBMS业务频率集标识对应频率集中任一频率的小区中。
  5. 根据权利要求4所述的方法，其中，所述根据所述eMBMS业务频率集标识向所述终端下发对应频率集的事件测量配置，包括：
    当接收到所述终端发送的eMBMS业务频率集标识时，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的第一事件测量配置；
    当接收到所述终端上报的第一测量报告时，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的第二事件测量配置。
  6. 根据权利要求4或5所述的方法，其中，所述eMBMS业务频率集标识包括：所述终端正在进行的eMBMS业务频率集标识或用户感兴趣的eMBMS业务频率集标识。
  7. 根据权利要求4或5所述的方法，其中，所述eMBMS业务频率集标识包括终端正在进行的eMBMS业务频率集标识和用户感兴趣的eMBMS业务频率集标识；
    相应的，所述将所述终端切换到所述eMBMS业务频率集标识对应频率集中任一频率的小区中，包括：优先将所述终端切换到所述终端正在进行的eMBMS业务频率集标识对应频率集中任一频率的小区中。
  8. 一种终端，所述终端包括：
    发送模块，配置为将增强型多媒体广播多播业务eMBMS业务频率集标识发送给源基站；所述eMBMS业务频率集标识用于区分不同类型eMBMS业务的频率集；
    测量上报模块，配置为对与所述eMBMS业务频率集标识对应频率集的事件进行测量，当事件测量结果满足预设条件后向所述源基站上报测量 报告，所述测量报告用于完成保证所述源基站在与终端当前eMBMS业务对应的频率集相同的小区内进行切换的判断。
  9. 根据权利要求8所述的终端，其中，所述测量上报模块包括：
    第一测量上报子模块，配置为基于所述源基站发送的第一事件测量配置进行第一事件测量，当第一事件测量结果满足预设条件后向所述源基站上报第一测量报告，所述第一事件测量报告用于供所述源基站确定是否进行小区切换；
    第二测量上报子模块，配置为基于所述源基站发送的第二事件测量配置进行第二事件测量，当第二事件测量结果满足预设条件后向源基站上报第二测量报告，所述第二事件测量报告用于供所述源基站确定是否完成小区切换。
  10. 一种基站，所述基站包括：
    接收模块，配置为接收终端发送的增强型多媒体广播多播业务eMBMS业务频率集标识；所述eMBMS业务频率集标识用于区分不同类型eMBMS业务的频率集；
    测量配置模块，配置为根据所述eMBMS业务频率集标识向所述终端下发对应频率集的事件测量配置；
    切换模块，配置为基于所述终端上报的测量报告，进行小区切换判断，并将所述终端切换到所述eMBMS业务频率集标识对应频率集中任一频率的小区中。
  11. 根据权利要求10所述的基站，其中，所述测量配置模块包括：
    第一测量配置子模块，配置为接收到所述终端发送的eMBMS业务频率集标识时，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的第一事件测量配置；
    第二测量配置子模块，配置为接收到所述终端上报的第一测量报告时， 根据所述eMBMS业务频率集标识向所述终端下发对应频率集的第二事件测量配置。
  12. 一种保持eMBMS业务连续性的系统，包括源基站和终端，其中，
    所述终端，配置为将eMBMS业务频率集标识发送给所述源基站；对与所述eMBMS业务频率集标识对应频率集的事件进行测量，当事件测量结果满足预设条件后向所述源基站上报测量报告；所述测量报告用于所述源基站在与所述终端当前eMBMS业务对应的频率集相同的小区内进行切换的判断；
    所述源基站，配置为接收所述终端发送的eMBMS业务频率集标识，根据所述eMBMS业务频率集标识向所述终端下发对应频率集的事件测量配置；当接收到所述终端上报的测量报告时，进行小区切换判断，并将所述终端切换到所述eMBMS业务频率集标识对应频率集中任一频率的小区目标基站中；
    其中，所述eMBMS业务频率集标识用于区分不同类型eMBMS业务的频率集。
  13. 一种计算机可读介质，所述计算机可读介质中存储有可执行指令，所述可执行指令用于执行权利要求1至3任一项所述的保持增强型多媒体广播多播业务eMBMS业务连续性的方法。
  14. 一种计算机可读介质，所述计算机可读介质中存储有可执行指令，所述可执行指令用于执行权利要求4至7任一项所述的保持增强型多媒体广播多播业务eMBMS业务连续性的方法。
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