CN102595326B - Method for switching user terminal of multimedia broadcast multicast service in base station of wireless communication network - Google Patents
Method for switching user terminal of multimedia broadcast multicast service in base station of wireless communication network Download PDFInfo
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- 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
- H04W36/00835—Determination of neighbour cell lists
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- 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
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- H—ELECTRICITY
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Abstract
The invention relates to a method for switching a user terminal of MBMS (Multimedia Broadcast Multicast Service) in a base station of a wireless communication network, which comprises the following steps: (A) determining at least one multicast broadcast single frequency network region which corresponds to a first adjacent cell in at least one adjacent cell; (B) determining a second MBMS set supported by the first cell according to MBMS supported respectively by at least one multicast broadcast single frequency network region; and (C) determining the first adjacent cell as a switching target cell if for the first adjacent cell, a maximum intersection exists between a first MBMS set and the second MBMS set in at least one adjacent cell. According to the technical scheme, when the user terminal is switched to the adjacent cell, the continuity of the MBMS which can be received in a source cell can be kept to the largest degree.
Description
Technical field
The present invention relates to cordless communication network, particularly relate to a kind of in the base station of cordless communication network the method for the user terminal of switching multi-media BroadCast MultiCast Service (MBMS) business.
Background technology
A challenging task in mobile communication is to provide multimedia service to wireless user in an efficient manner.Efficiently refer in particular to the rare and expensive wireless network resource (as frequency band) that effective use distributes to network here, thus can in radio bands Parallel Service in user as much as possible and services different as far as possible.Although the support voice service in an efficient manner of existing second generation wireless network, the target of third generation wireless systems and packet-based wireless network is with most efficient way as data communication and distribution provide optimal service.
By using clean culture or broadcast/multi broadcast transmission technology according to COS, can optimized network capacity and investment.Can applying broadcasting/multicasting technology when needs walk abreast from a source provide (multimedia) data to a large amount of receiver.When needing in different communication exchanged between entities data or when needing can apply unicast technique to when one or a small amount of receiver distributing data (content of multimedia of such as program request).
One of transmission mode of imagination utilizes so-called SFN (Single Frequency Network) to operate, wherein multicast broadcast single frequency network (MBMS SFN, MB SFN) all communities in region use same radio resources to transmit identical content in a synchronous manner, thus likely allow the user terminal carrying out receiving combine received signal on a physical layer.This requires to configure radio resource (such as wireless resource block, TTI ...) and physical layer parameter (such as MCS, modulation and encoding scheme) in all cells in the same manner for each session of MBMS user's service.Herein, multiple cell/multicast coordination entity (MCE) can be used.Such MCE can control the community belonging to one or more eNB (base station).But, if exceed such this SFN region of way selection, the region that controlled by single MCE with SFN region, then require the coordination between these MCE.
Certainly, when receiving the user terminal of one or more MBMS, because the movement of user terminal or other reasons and when cell merge occurs base station one side, ideal state should be, one or more MBMS that this user terminal receives keep good service continuity.
Summary of the invention
But find in experimentation, when receiving the user terminal of one or more MBMS, when there is handoff procedure under the base station that it belongs to controls, one or more MBMS that above-mentioned user terminal receives often cannot continue.
Based on above-mentioned discovery, in addition can obtain further to analyze, the MBMS of a part receives user and the reason of service continuity cannot be kept in handoff procedure to be often, one or more MBMS that the Target cell switched is supported and one or more MBMS that cell-of-origin is supported is also incomplete same, the MBMS that even switched Target cell is supported often is less than the MBMS supported cell-of-origin, or Target cell not supports that MBMS sends.
Therefore, if can provide a kind of to switch the method for user terminal for controlling in the base station of cordless communication network, thus the business continuance of the MBMS making the user terminal be switched to keep it to receive to greatest extent, a kind of useful scheme of can yet be regarded as.
According to one embodiment of present invention, provide a kind of in the base station of cordless communication network for switching the method for user terminal, the cell-of-origin at user terminal place is that base station is administrative and have at least one adjacent cell, user terminal is for receiving the first multimedia broadcast multi-broadcasting business collection, and method comprises:
A. at least one the multicast broadcast single frequency network region corresponding to the first adjacent cell at least one adjacent cell is determined;
B. supported respectively according at least one multicast broadcast single frequency network region multimedia broadcast multi-broadcasting business, determines the second multimedia broadcast multi-broadcasting business collection that the first community is supported;
C. at least one adjacent cell, if for the first adjacent cell, between the first multimedia broadcast multi-broadcasting business collection and the second multimedia broadcast multi-broadcasting business collection, there is maximum common factor, then the first adjacent cell is defined as switching target small area.
According to another embodiment of the invention, provide a kind of in the base station of cordless communication network for switching the device of user terminal, the cell-of-origin at user terminal place is that base station is administrative and have at least one adjacent cell, user terminal is for receiving the first multimedia broadcast multi-broadcasting business collection, and device comprises:
-multicast broadcast single frequency network area determining device, for determining at least one the multicast broadcast single frequency network region corresponding to the first adjacent cell at least one adjacent cell;
-the second multimedia broadcast multi-broadcasting business collection determining device, for the multimedia broadcast multi-broadcasting business supported respectively according at least one multicast broadcast single frequency network region, determines the second multimedia broadcast multi-broadcasting business collection that the first community is supported;
-switching target small area determining device, for at least one adjacent cell, if for the first adjacent cell, between the first multimedia broadcast multi-broadcasting business collection and the second multimedia broadcast multi-broadcasting business collection, there is maximum common factor, then the first adjacent cell is defined as switching target small area.
Wherein, first multimedia broadcast multi-broadcasting business integrates the set receiving one or more MBMS that maybe can receive as user terminal in cell-of-origin, and the second multimedia broadcast multi-broadcasting business integrates as user terminal can by the set of one or more MBMS that can receive in as the first community of handover candidate cells.
In technique scheme, first adjacent cell is one of at least one adjacent cell of the cell-of-origin at user terminal place, by at least one multicast broadcast single frequency network area determination step, at least one the multicast broadcast single frequency network region covering this first adjacent cell can be obtained; Thus determine the second multimedia broadcast multi-broadcasting business collection that this first community is supported further, for at least one adjacent cell of the cell-of-origin at user terminal place, if only comprise a community, i.e. the first adjacent cell, then directly user terminal can be switched to this first adjacent cell; If comprise multiple community, then by comparing, if the common factor in this first adjacent cell between receivable second multimedia broadcast multi-broadcasting business collection and above-mentioned first multimedia broadcast multi-broadcasting business collection is maximum in all adjacent cells, then user terminal is switched to this first adjacent cell.If the above-mentioned common factor corresponding to this first adjacent cell is not maximum, then can repeat the step of this programme, until determine the adjacent cell that above-mentioned common factor is maximum, then user terminal be switched to this and have in the adjacent cell of maximum above-mentioned common factor.Thus, by above-mentioned steps, can ensure, in all adjacent cells, user terminal can be switched to one all the time to be had in the community of maximum above-mentioned common factor, thus the MBMS making it receive keeps maximum continuity.
Accompanying drawing explanation
By reading the detailed description done non-limiting example referring to accompanying drawing, other features, objects and advantages of the present invention will become more obvious.
Fig. 1 show according to an embodiment of the invention in the base station of cordless communication network for switching the method flow diagram of MBMS user terminal;
Fig. 2 determines in the multicast broadcast single frequency network region for switching the method for MBMS user terminal in the base station of cordless communication network shown according to another embodiment of the invention the flow chart of sub-step;
Fig. 3 determines in the multicast broadcast single frequency network region for switching the method for MBMS user terminal in the base station of cordless communication network shown according to still a further embodiment the flow chart of sub-step;
Fig. 4 show according to an embodiment of the invention in the base station of cordless communication network for switching the structure chart of the device of MBMS user terminal;
In the accompanying drawings, identical with similar Reference numeral represents same or analogous device or method step.
Embodiment
Fig. 1 show according to an embodiment of the invention in the base station 11 of cordless communication network for switching the method flow diagram of MBMS user terminal.The cell-of-origin at user terminal place is that base station is administrative and have at least one adjacent cell, such as NCell_1, NCell_2, NCell_3, NCell_4, and user terminal is for receiving the first multimedia broadcast multi-broadcasting business collection, such as { MBMS_Service_1, MBMS_Service_3, MBMS_Service_4}, as shown in the figure, the method comprising the steps of S11, S12 and S13.
In step s 11, the first adjacent cell at least one adjacent cell is determined in base station 11, such as NCell_2, at least one corresponding multicast broadcast single frequency network region.
In step s 12, the multimedia broadcast multi-broadcasting business that base station 11 is supported respectively according at least one multicast broadcast single frequency network region, determines the second multimedia broadcast multi-broadcasting business collection that the first community is supported;
In step s 13, base station 11 is at least one adjacent cell, if for the first adjacent cell NCell_2, first multimedia broadcast multi-broadcasting business collection (such as MBMS_Service_1, MBMS_Service_3, MBMS_Service_4) and between the second multimedia broadcast multi-broadcasting business collection there is maximum common factor, then the first adjacent cell NCell_2 is defined as switching target small area.
Wherein, first multimedia broadcast multi-broadcasting business collection (such as MBMS_Service_1, MBMS_Service_3, MBMS_Service_4) for user terminal is receiving the set of one or more MBMS that maybe can receive in cell-of-origin, and the second multimedia broadcast multi-broadcasting business integrates as user terminal can by the set of one or more MBMS that can receive in as the first community of handover candidate cells.
In certain embodiments, above-mentioned can by base station 11 at least one adjacent cell as the handover candidate cells of user terminal, preferably, be that the handover measurement meeting user terminal reports criterion.Accordingly, said method can also comprise step: report criterion based on the handover measurement carrying out user terminal, determines at least one adjacent cell.
In certain embodiments, if the first adjacent cell NCell_2 community that to be base station 11 administrative, then alternatively, in step s 11, can directly by the M2 interface process of establishing of M2 interface application protocol, at least one multicast broadcast single frequency network region, such as MBSFN_Area_1 and MBSFN_Area_2 corresponding to this first adjacent cell NCell_2 is obtained from multiple cell multicast coordination entity 20.
And in further embodiments, if the first adjacent cell NCell_2 is that the second base station 12 is administrative, then in step s 11, the indication information at least one the multicast broadcast single frequency network region (such as MBSFN_Area_1 and MBSFN_Area_2) corresponding to the first adjacent cell NCell_2 can be obtained from multiple cell multicast coordination entity.
Alternatively, can consider that the MBSFN information by all communities administrative for base stations all in all-network are corresponding respectively is no longer intensively stored among multiple cell multicast coordination entity 20, but can be stored among each base station sharedly, and real-time update, now, alternatively, in step s 11, can between multiple cell multicast coordination entity 20 and base station 11 simultaneous operation and administration configuration (O & M) information, this operation and managing configuration information can comprise the indication information at least one the multicast broadcast single frequency network region (such as MBSFN_Area_1 and MB SFN_Area_2) corresponding to the first adjacent cell NCell_2, or preferably, the syntople between the cell-of-origin at user terminal place and at least one adjacent cell can also be comprised.Then by this step, base station 11 can obtain one or more MBSFN information of the correspondence of above-mentioned first adjacent cell NCell_2 from multiple cell multicast coordination entity 20.
Alternately, in another embodiment, step S11 also can pass through to multiple cell multicast coordination entity MCE 20 request messages, thus from the second base station 12 to obtaining asked at least one multicast broadcast single frequency network region (such as MBSFN_Area_1 and MB SFN_Area_2) the response of this message, particularly, the sub-step that step S11 may further include " what send the indication information at least one multicast broadcast single frequency network region updates request to multiple cell multicast coordination entity " and " according to the response of update request, determine at least one multicast broadcast single frequency network region " sub-step.
Fig. 2 determines in the multicast broadcast single frequency network region for switching the method for MBMS user terminal in the base station of cordless communication network shown according to another embodiment of the invention the flow chart of sub-step.In this embodiment, the sub-step of " what send the indication information at least one multicast broadcast single frequency network region updates request to multiple cell multicast coordination entity ", particularly, may further include step S1111 and S1112.
In step S1111, what base station 11 sent the indication information at least one multicast broadcast single frequency network region updates request to multiple cell multicast coordination entity 20.At least one multicast broadcast single frequency network region is wherein corresponding with the first adjacent cell NCell_2 as handover candidate cells.
In step S1112, at least one multicast broadcast single frequency network region, according to the response message of the update request from multiple cell multicast coordination entity 20, is determined in base station 11, such as, can be MBSFN_Area_1 and MBSFN_Area_2.
Particularly, " update request of the indication information at least one multicast broadcast single frequency network region " that send in step S1111 can based on existing M2 interface application protocol process, for MBSFN region increases in one " update request territory " on the basis of the existing message namely in M2 interface application protocol, then in step S1111, base station 11 can be further advanced by M2 interface application protocol, M2 interface configuration updating message is sent to multiple cell multicast coordination entity, this configuration update message comprises the update request of the indication information at least one multicast broadcast single frequency network region.Accordingly, in step S1112, at least one multicast broadcast single frequency network region further according to the response of multiple cell multicast coordination entity to M2 interface configuration updating message, can be determined in base station 11.
M2 interface configuration updating message in above-described embodiment and response message thereof can adopt such as but not limited to message format as shown in table 1 below, this message is sent to multiple cell multicast coordination entity MCE 20 by eNB 11, in order to represent that the application layer configuration data in eNB 11 changes.
Table 1:M2 interface configuration upgrades (" ENB CONFIGURATION UPDATE) message (eNB 11 → MCE 20)
Wherein, iso-frequency adjacent community list information unit, co-frequency neighbor cell list information word and each self-corresponding " EUTRANCGI " thereof are the information word of new definition in the message.The implication of some projects in above-mentioned table 1 is as follows:
| span | describe |
| maxnoofCells | by an eNB the maximum quantity of community of serving.This value is 256. |
| maxnooflntraFreqNCell | the maximum quantity of iso-frequency adjacent community.The value of maxnooflntraFreqNCell is 16. |
| maxnooflnterFreqNCell | the maximum quantity of iso-frequency adjacent community.The value of maxnooflntraFreqNCell is 16. |
Accordingly, upgrade in response (CONFIGURATION UPDATEACKNOWLEDGE) message in M2 interface configuration, MCE 20 needs the id information feed back in the MB SFN region of the same frequency/alien frequencies of being asked by eNB 11 to eNB 11 1 side.
In view of existing M2 interface configuration upgrades response (ENB CONFIGURATIONUPDATE ACKNOWLEDGE) message.In an embodiment of the present invention, the part of MSBFN area information as the information word " MCCH related BCCHConfiguration Item " in " ENB CONFIGURATIONUPDATE ACKNOWLEDGE " message for adjacent cell can be increased.Like this, then the new information element of definition one " NCell MBSFNArea Info Item " is needed.
In the present embodiment, the concrete change for information word " MCCH related BCCH ConfigurationItem " can such as but not limited to as shown in table 2:
Table 1 provides the information word of the BCCH configuration information relevant to MCCH to base station/eNB11
Wherein, " iso-frequency adjacent community MBSFN area information list ", " co-frequency neighbor cell MBSFN area information list " and each self-corresponding " adjacent cell MBSFN area information project " thereof is the information word of new definition in the message.
Particularly, information word definition " NCell MBSFN Area Info Item " newly increased can to exist such as but not limited to the form given by following table 3.Be somebody's turn to do the id information that " NCell MBSFNArea Info Item " information word provides the MBSFN region of adjacent cell.
Table 3:NCell MBSFN Area Info Item
As the alternative method that another kind is alternative, in another embodiment of the invention, " update request of the indication information at least one multicast broadcast single frequency network region " that send in step S 1111 can be realized by definition message interface new in existing M2 interface, namely then in step S1111, base station 11 can send the multimedia broadcasting and multicast configuration request message of base station to multiple cell multicast coordination entity, this configuration request message is the newly-increased message of M2 interface application protocol, and comprise the update request of the indication information at least one multicast broadcast single frequency network region.Accordingly, in step S1112, at least one multicast broadcast single frequency network region according to the response of multiple cell multicast coordination entity to configuration request message, can be determined in base station 11.
Herein, those skilled in the art are to be understood that, message and the response message thereof of asking the MBSFN region indication information of adjacent cell for base station 11 to MCE 20 of above-mentioned new definition in M2 interface application protocol, its concrete form can define with reference to the form of the information word definition in above-mentioned table 1 ~ table 3.Its concrete form of Definition is not construed as limiting the invention.
Certainly, those skilled in the art are to be understood that: the sub-step of step S11 " obtaining the indication information at least one multicast broadcast single frequency network region from multiple cell multicast coordination entity ", be not limited to above by " sending the update request of the indication information at least one multicast broadcast single frequency network region " thus according to multiple cell multicast coordination entity MCE 20, the response of this request obtained to the indication information at least one multicast broadcast single frequency network region, certainly, also may further include other forms of acquisition sub-step, such as, MCE 20 periodically initiatively can send the message of the indication information at least one the multicast broadcast single frequency network region comprised corresponding to the first adjacent cell NCell_2, accordingly, first base station 11 1 side receives this message by property information cycle ground, thus obtain the indication information at least one above-mentioned multicast broadcast single frequency network region.
Alternately, in another embodiment of the invention, base station 11 not only from MCE20 mono-side, but also can obtain the information at least one the multicast broadcast single frequency network region corresponding to the first adjacent cell NCell_2 from the second base station 12 1 side.
Fig. 3 determines in the multicast broadcast single frequency network region for switching the method for MBMS user terminal in the base station of cordless communication network shown according to still a further embodiment the flow chart of sub-step.Wherein, comprise X2 interface and set up request message forwarding step S1121 and X2 interface sets up response message receiving step S1122.
In above-mentioned steps S1121 and S1122, make use of X2 interface process of establishing in order to exchange the MBSFN sub-frame information corresponding to community administrative respectively, each base station between the multiple base stations in the network comprising base station 11 and the second base station 12, therefore, embodiments of the invention, carry out the exchange of the MBSFN region indication information of the administrative separately community in base station 11 and the second base station 12 in this X2 interface process of establishing.Namely, in step S 1122, base station 11 is by X2 interface application protocol, receive and set up request message from the X2 interface of the second base station, otherwise or, in step S1121, request message can be set up to the second base station transmission X2 interface in base station 11 and the X2 interface received in step S1122 from the second base station sets up response message, above-mentioned X2 interface sets up request message or X2 interface sets up the indication information that response message has included the multicast broadcast single frequency network region (such as MBSFN_Area_1 and MBSFN_Area_2) of at least one community of the second base station 12 correspondence separately.
Certainly, alternatively, X2 interface application protocol also can be passed through in base station 11, receive " the eNB configuration update message " from the second base station 12, or the response message sending " eNB configuration update message " to the second base station 12 and receive from " the eNB configuration update message " of the second base station 12, above-mentioned configuration update message and response message thereof include the information word of the indication information in the multicast broadcast single frequency network region (such as MBSFN_Area_1 and MB SFN_Area_2) of at least one administrative community of the second base station 12.
Request (X2SETUPREQUEST) is set up according to the X2 in existing X2AP signaling, X2 sets up the definition of response (X2SETUP RESPONSE) and base station configuration updating (ENB CONFIGURATION UPDATE) message, can be in certain embodiments of the present invention, to in above-mentioned signaling message for the community that each base station 11 in network is administrative, MBSFN area information is increased in the definition of " Served Cell Information ", certainly, herein, preferably, the improvement of the message of signaling is for benchmark carries out with the form of the signaling/message of TS36.423V9.4.0 version.And form and the changing format in above-mentioned table 1 ~ 3 of concrete increased such as " instruction of MBSFN region " information word can be identical, also can be different, repeat no more herein, but the concrete altered form of form to signaling/message, the present invention is not construed as limiting.
Herein, assuming that the MB SNF region of user terminal receivable MBMS collection and correspondence thereof is as shown in table 4 below:
Suppose that the MB SFN zone identification information corresponding to all adjacent cells of cell-of-origin is as shown in table 5 below simultaneously:
The judgement of criterion is reported, this first adjacent cell NCell2 by the handover measurement of user terminal, can as the candidate handover cell of user terminal.Step then in above-described embodiment, base station 11 can obtain an adjacent cell of cell-of-origin, such as the first adjacent cell NCell2, the indication information in multicast broadcast single frequency network region (such as MBSFN_Area_1 and MBSFN_Area_2).And in step s 12, the second multimedia broadcast multi-broadcasting business collection that the first adjacent cell NCell2 supports according to the information of supported the respectively multimedia broadcast multi-broadcasting business of above-mentioned multicast broadcast single frequency network region MBSFN_Area_1 and MBSFN_Area_2, can be determined in base station 11.Such as, assuming that the multimedia broadcast multi-broadcasting business that MBSFN_Area_1 supports is MBMS_Service_1, MBMS_Service_3, and the multimedia broadcast multi-broadcasting business that MBSFN_Area_2 supports is MBMS_Service_4, then base station 11 can determine that the second multimedia broadcast multi-broadcasting business collection that the first adjacent cell NCell2 supports is { MBMS_Service_1, MBMS_Service_3, MBMS_Service_4}, then at adjacent cell NCell1, NCell2, NCell3, in NCell4, for the first adjacent cell NCell2, first multimedia broadcast multi-broadcasting business collection { MBMS_Service_1, MBMS_Service_3, MBMS_Service_4} and the second multimedia broadcast multi-broadcasting business collection { MBMS_Service_1, MBMS_Service_3, there is between MBMS_Service_4} maximum common factor, two set herein overlap completely, then the first adjacent cell NCell2 can be defined as the Target cell that user terminal is switched.
Further, in step s 13, sub-step can also be comprised: at least one adjacent cell of cell-of-origin, if the first multimedia broadcast multi-broadcasting business collection in this embodiment, such as { MBMS_Service_1, MBMS_Service_3, MBMS_Service_4}, and the first adjacent cell NCell2 and the second multimedia broadcast multi-broadcasting business collection corresponding to the second adjacent cell NCell4, all such as { MBMS_Service_1 respectively, MBMS_Service_3, MBMS_Service_4}, namely for the first adjacent cell NCell2 and the second adjacent cell NCell4, between its second corresponding respectively multimedia broadcast multi-broadcasting business collection and the first multimedia broadcast multi-broadcasting business collection corresponding to user terminal, there is identical maximum common factor, i.e. { MBMS_Service_1, MBMS_Service_3, MBMS_Service_4}, herein, first adjacent cell NCell2 and the second adjacent cell NCell4 can as switching target small area, thus support all continuitys that receive business of user terminal in cell-of-origin, then now, base station 11 can according to the reporting information about channel of user terminal, the good community of channel quality in first adjacent cell and the second adjacent cell is defined as switching target small area.
Herein, MBSFN_Area_1 and MBSFN_Area_2 as shown in table 5 forms overlapping covering to the first adjacent cell NCell_2.It should be noted that, even if even if at least one the multicast broadcast single frequency network region corresponding to the first adjacent cell NCell_2 covers without any overlap, i.e. only in corresponding MBSFN_Area_1 or MBSFN_Area_2 one of the first adjacent cell NCell_2, now, the second multimedia broadcast multi-broadcasting business defecate collection corresponding to NCell_2 is { MBMS_Service_1, MBMS_Service_3} or { MBMS_Service_4}, now in step s 13, still at several adjacent cell NCell_1 of cell-of-origin, NCell_2, the adjacent cell selecting the common factor between the first corresponding multimedia broadcast multi-broadcasting business collection and the second multimedia broadcast multi-broadcasting business collection maximum among NCell_3 and NCell_4 is as switching target small area, now, although the receivable MBMS of user terminal may have part and be interrupted, but by the method for this embodiment, still to make one or more MBMS of the reception of user terminal keep continuity as much as possible to the full extent.
As shown in Figure 1, go to step S11 after step s 13, continue for other adjacent cells of cell-of-origin, judge this adjacent cell whether in all adjacent cells of cell-of-origin, there is the common factor between the first maximum multimedia broadcast multi-broadcasting business collection and the second multimedia broadcast multi-broadcasting business collection.After performing all adjacent cells of said method ergodic source community, namely can determine the Target cell of the switching of user terminal.
Certainly, as the adjacent cell in above-described embodiment, such as the first adjacent cell NCell2 or the second adjacent cell NCell4 etc., can be co-frequency neighbor cell and/or iso-frequency adjacent community relative to cell-of-origin.
Fig. 4 show according to an embodiment of the invention in the base station of cordless communication network for switching the structure chart of the device 100 of MBMS user terminal.Multicast broadcast single frequency network area determining device 101, second multimedia broadcast multi-broadcasting business collection determining device 102 and switching target small area determining device 103.
Above-mentioned is arranged in base station 11 for the device 100 switching MBMS user terminal usually, switches its administrative user terminal for this base station 11.Wherein, multicast broadcast single frequency network area determining device 101, for determining at least one the multicast broadcast single frequency network region corresponding to the first adjacent cell at least one adjacent cell.Second multimedia broadcast multi-broadcasting business collection determining device 102, for the multimedia broadcast multi-broadcasting business supported respectively according at least one multicast broadcast single frequency network region, determines the second multimedia broadcast multi-broadcasting business collection that the first community is supported.Switching target small area determining device 103, for at least one adjacent cell, if for the first adjacent cell, between the first multimedia broadcast multi-broadcasting business collection and the second multimedia broadcast multi-broadcasting business collection, there is maximum common factor, then the first adjacent cell is defined as switching target small area.
In another embodiment of the present invention, above-mentioned multicast broadcast single frequency network area determining device 101 also comprises, indication information base station acquisition module, or indication information multiple cell multicast coordination entity acquisition module (not shown); Wherein, indication information base station acquisition module is used for the indication information obtaining at least one multicast broadcast single frequency network region from the second base station; And indication information multiple cell multicast coordination entity acquisition module is used for, if the first adjacent cell is that base station is administrative, then by the process of establishing of M2 interface application protocol, obtain at least one multicast broadcast single frequency network region from multiple cell multicast coordination entity.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those of ordinary skill in the art can make various modification or amendment within the scope of the appended claims.Technical scheme software of the present invention or hardware all can realize.
Claims (11)
1. one kind in the base station of cordless communication network for switching the method for user terminal, the cell-of-origin at described user terminal place is that base station is administrative and have at least one adjacent cell, described user terminal is for receiving the first multimedia broadcast multi-broadcasting business collection, and described method comprises:
A. at least one the multicast broadcast single frequency network region corresponding to the first adjacent cell at least one adjacent cell described is determined;
B. supported respectively according at least one multicast broadcast single frequency network region described multimedia broadcast multi-broadcasting business, determines the second multimedia broadcast multi-broadcasting business collection that described first adjacent cell is supported;
C. at least one adjacent cell described, if for described first adjacent cell, between described first multimedia broadcast multi-broadcasting business collection and the second multimedia broadcast multi-broadcasting business collection, there is maximum common factor, then described first adjacent cell is defined as switching target small area;
Wherein, described steps A also comprises:
If-described first adjacent cell is that described base station is administrative, then by the process of establishing of M2 interface application protocol, obtain at least one multicast broadcast single frequency network region described from multiple cell multicast coordination entity; Or
If A1. described first adjacent cell is that the second base station is administrative, then obtain the indication information at least one multicast broadcast single frequency network region described from multiple cell multicast coordination entity; Or
A2. the indication information at least one multicast broadcast single frequency network region described is obtained from the second base station.
2. method according to claim 1, is characterized in that, also comprises before described steps A:
-report criterion based on the handover measurement from described user terminal, determine at least one adjacent cell described.
3. method according to claim 1, is characterized in that, the obtaining step in described steps A 1 also comprises:
-between multiple cell multicast coordination entity and described base station simultaneous operation and administration configuration, this operation and administration configuration comprise the indication information in syntople between described cell-of-origin and at least one adjacent cell described and at least one multicast broadcast single frequency network region described.
4. method according to claim 1, is characterized in that, the obtaining step of described steps A 1 also comprises:
What A11. send the indication information at least one multicast broadcast single frequency network region described updates request to described multiple cell multicast coordination entity;
A12. according to the response of described update request, at least one multicast broadcast single frequency network region described is determined.
5. method according to claim 4, is characterized in that, described steps A 11 also comprises:
-by M2 interface application protocol, send M2 interface configuration updating message to described multiple cell multicast coordination entity, this configuration update message comprises the described update request of the indication information at least one multicast broadcast single frequency network region described;
-according to the response of described multiple cell multicast coordination entity to described M2 interface configuration updating message, determine at least one multicast broadcast single frequency network region described.
6. method according to claim 4, is characterized in that, described steps A 11 also comprises:
-the configuration request message of described base station is sent to described multiple cell multicast coordination entity, this configuration request message is the newly-increased message of M2 interface application protocol, and comprises the described update request of the indication information at least one multicast broadcast single frequency network region described;
-according to the response of described multiple cell multicast coordination entity to described configuration request message, determine at least one multicast broadcast single frequency network region described.
7. method according to claim 1, is characterized in that, described steps A 2 also comprises:
-by X2 interface application protocol, receive and set up request message from the X2 interface of described second base station or X2 interface sets up response message, this X2 interface sets up request message or X2 interface sets up the indication information that response message includes the multicast broadcast single frequency network region of at least one administrative community of described second base station separately.
8. method according to claim 1, is characterized in that, described steps A 2 also comprises:
-by X2 interface application protocol, receive the configuration update message from described second base station, this configuration update message comprises the indication information in the multicast broadcast single frequency network region of at least one administrative community of described second base station.
9. according to the method described in claim 1, it is characterized in that, described step C also comprises:
In at least one adjacent cell described, if described first adjacent cell and the second adjacent cell described first multimedia broadcast multi-broadcasting business collection with there is between the second multimedia broadcast multi-broadcasting business collection number of elements identical maximum common factor respectively, then the good community of quality in described first adjacent cell and the second adjacent cell is defined as switching target small area.
10. the method according to any one of claim 1-9, is characterized in that, wherein, at least one adjacent cell described is co-frequency neighbor cell and/or iso-frequency adjacent community relative to described cell-of-origin.
11. 1 kinds in the base station of cordless communication network for switching the device of user terminal, the cell-of-origin at described user terminal place is that base station is administrative and have at least one adjacent cell, described user terminal is for receiving the first multimedia broadcast multi-broadcasting business collection, and described device comprises:
-multicast broadcast single frequency network area determining device, for determining at least one the multicast broadcast single frequency network region corresponding to the first adjacent cell at least one adjacent cell described;
-the second multimedia broadcast multi-broadcasting business collection determining device, for the multimedia broadcast multi-broadcasting business supported respectively according at least one multicast broadcast single frequency network region described, determines the second multimedia broadcast multi-broadcasting business collection that described first adjacent cell is supported;
-switching target small area determining device, for at least one adjacent cell described, if for described first adjacent cell, between described first multimedia broadcast multi-broadcasting business collection and the second multimedia broadcast multi-broadcasting business collection, there is maximum common factor, then described first adjacent cell is defined as switching target small area;
Wherein, described multicast broadcast single frequency network area determining device also comprises, indication information base station acquisition module or indication information multiple cell multicast coordination entity acquisition module; Wherein, described indication information base station acquisition module is used for the indication information obtaining at least one multicast broadcast single frequency network region described from the second base station; Described indication information multiple cell multicast coordination entity acquisition module is used for, if described first adjacent cell is that described base station is administrative, then by the process of establishing of M2 interface application protocol, at least one multicast broadcast single frequency network region described is obtained from described multiple cell multicast coordination entity, if and described first adjacent cell is that the second base station is administrative, then obtain the indication information at least one multicast broadcast single frequency network region described from multiple cell multicast coordination entity.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110000704.5A CN102595326B (en) | 2011-01-04 | 2011-01-04 | Method for switching user terminal of multimedia broadcast multicast service in base station of wireless communication network |
| TW100140722A TWI488515B (en) | 2011-01-04 | 2011-11-08 | Interface and functions design for mbms service continuity of rrc connected ues |
| PCT/IB2011/003218 WO2012093281A2 (en) | 2011-01-04 | 2011-11-08 | Method for handing over mbms ue in an enb in wireless telecommunication network |
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| CN201110000704.5A CN102595326B (en) | 2011-01-04 | 2011-01-04 | Method for switching user terminal of multimedia broadcast multicast service in base station of wireless communication network |
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| CN102595326A CN102595326A (en) | 2012-07-18 |
| CN102595326B true CN102595326B (en) | 2015-07-22 |
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| CN (1) | CN102595326B (en) |
| TW (1) | TWI488515B (en) |
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| CN104954994A (en) | 2014-03-26 | 2015-09-30 | 电信科学技术研究院 | Group communication service interruption processing method and group communication service interruption processing device |
| TWI672960B (en) * | 2018-08-02 | 2019-09-21 | 財團法人資訊工業策進會 | Communication system, method and coordination entity for multimedia broadcast/multicast service |
| CN112118540B (en) * | 2019-06-20 | 2023-09-05 | 华为技术有限公司 | Communication method and device |
| WO2022006888A1 (en) * | 2020-07-10 | 2022-01-13 | Oppo广东移动通信有限公司 | Method and apparatus for receiving mbs service, and terminal device |
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| EP1874075A2 (en) * | 2003-04-09 | 2008-01-02 | Samsung Electronics Co., Ltd. | Method for cell reselection in an MBMS mobile communication system |
| CN101267660A (en) * | 2007-03-16 | 2008-09-17 | 华为技术有限公司 | A resource dispatching method, device and user device |
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| KR101340720B1 (en) * | 2006-03-24 | 2013-12-12 | 삼성전자주식회사 | Method and Apparatus for Transmitting/Receiving of Broadcasting Service in DVB-H CBMS System |
| KR101160739B1 (en) * | 2007-04-30 | 2012-06-28 | 인터디지탈 테크날러지 코포레이션 | Cell reselection and handover with multimedia broadcast/multicast service |
| EP2201804A1 (en) * | 2007-10-26 | 2010-06-30 | Nokia Corporation | Method, apparatus and computer program product for reducing outage probability for mobile devices |
| CN101656914B (en) * | 2008-08-18 | 2012-05-02 | 电信科学技术研究院 | Method and device for processing multimedia broadcasting multicast service |
| CN101448290B (en) * | 2008-12-17 | 2010-06-30 | 北京天碁科技有限公司 | Method for receiving MCCH communication channel through TD-MBMS terminal |
| CN101772222B (en) * | 2008-12-29 | 2013-03-20 | 中兴通讯股份有限公司 | Method and system for obtaining MBSFN configuration information of affiliated subdistrict of adjacent base station |
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- 2011-11-08 WO PCT/IB2011/003218 patent/WO2012093281A2/en active Application Filing
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1874075A2 (en) * | 2003-04-09 | 2008-01-02 | Samsung Electronics Co., Ltd. | Method for cell reselection in an MBMS mobile communication system |
| CN101267660A (en) * | 2007-03-16 | 2008-09-17 | 华为技术有限公司 | A resource dispatching method, device and user device |
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| Publication number | Publication date |
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| CN102595326A (en) | 2012-07-18 |
| TWI488515B (en) | 2015-06-11 |
| TW201234888A (en) | 2012-08-16 |
| WO2012093281A2 (en) | 2012-07-12 |
| WO2012093281A3 (en) | 2013-01-17 |
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