CN104509160B

CN104509160B - The notification method and relevant apparatus and system of community configured information

Info

Publication number: CN104509160B
Application number: CN201280000776.2A
Authority: CN
Inventors: 李强
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-05-18
Filing date: 2012-05-18
Publication date: 2018-09-21
Anticipated expiration: 2032-05-18
Also published as: WO2013170484A1; CN104509160A

Abstract

The notification method and relevant apparatus and system of a kind of community configured information.Wherein, a kind of notification method of community configured information, including：Correspondence between the System Frame Number for the first community that access device obtains the System Frame Number of second community and user equipment is resident；Access device generates the instruction of frame number relationship, wherein the instruction of frame number relationship is used to indicate correspondence between the System Frame Number of second community and the System Frame Number of first community；The forward direction user equipment that access device is switched to second community in user equipment sends the instruction of frame number relationship.The System Frame Number for getting switching target small area that the embodiment of the present invention can enable UE relatively accurate.

Description

The notification method and relevant apparatus and system of community configured information

Technical field

The present invention relates to fields of communication technology, and in particular to the notification method of community configured information and cell switching control side Method and relevant apparatus and system.

Background technology

Currently, in the deployment of heterogeneous network, macro Microcell joint deployment is a kind of typical scene.

In the scene of macro Microcell joint deployment, since Microcell transmission power is limited, coverage area is usually smaller. In order to extend the coverage area of Microcell, to preferably shunt the flow of macrocell, it will usually use a kind of cell extension (CRE, cell range expansion) technology.Based on CRE technologies, the coverage area of Microcell can deliberately be extended, extension Mode is：Traditional macrocell is selected, UE is chosen Reference Signal Received Power (RSRP, Reference by base station Signal Receiving Power) strongest macrocell；But for extending Microcell, base station first gives the downlink of Microcell to believe Number RSRP-pico plus one biasing offset, become offset+RSRP-pico, in this way, even if macrocell downlink letter Number RSRP-macro is stronger, but as long as RSRP-macro<Offset+RSRP-pico, base station still may select UE being switched to The Microcell.

Practice is found, if the macro small of user equipment (UE, User Equipment) is initiated in base station in advance based on CRE technologies Area switches, it is possible to because the problems such as adjacent area is interfered exists, may cause UE can not be correctly small from this after being switched to Microcell The Physical Broadcast Channel in area receives community configured information (such as Cell System Frame Number).

Invention content

The embodiment of the present invention provides a kind of notification method of community configured information, cell switching control method and related dress It sets and communication system, to the relevant configuration information for getting switching target small area for keeping UE relatively accurate.

On the one hand the embodiment of the present invention provides a kind of notification method of community configured information, including：

Between the System Frame Number for the first community that access device obtains the System Frame Number of second community and user equipment is resident Correspondence；

The access device generates the instruction of frame number relationship, wherein it is small that the frame number relationship instruction is used to indicate described second Correspondence between the System Frame Number in area and the System Frame Number of first community；

The access device sends the frame before the user equipment is switched to second community, to the user equipment The instruction of number relationship.

On the other hand the embodiment of the present invention also provides a kind of notification method of community configured information, including：

The user equipment of first community is resided in before being switched to second community, the service access for receiving first community is set The frame number relationship instruction that preparation is sent, the frame number relationship instruction are used to indicate the System Frame Number and first community of the second community System Frame Number between correspondence；

Institute of the user equipment shown according to the System Frame Number of the first community and frame number relationship instruction meaning Correspondence between the System Frame Number of second community and the System Frame Number of first community is stated, determines the system-frame of the second community Number.

On the other hand the embodiment of the present invention also provides a kind of access device, including：

Acquiring unit, the System Frame Number for the first community that the System Frame Number for obtaining second community is resident with user equipment Between correspondence；

Generation unit, for generating the instruction of frame number relationship, wherein it is small that the frame number relationship instruction is used to indicate described second Correspondence between the System Frame Number in area and the System Frame Number of first community；

Transmitter, for before the user equipment is switched to second community, the frame to be sent to the user equipment The instruction of number relationship.

On the other hand the embodiment of the present invention also provides a kind of user equipment, including：

Receiver, the service access device for before being switched to second community from first community, receiving first community are sent out The frame number relationship instruction sent, frame number relationship instruction is used to indicate the System Frame Number of the second community and first community is Correspondence between system frame number；

Projected unit, for according to shown in the System Frame Number of the first community and frame number relationship instruction meaning Correspondence between the System Frame Number of the second community and the System Frame Number of first community, the system for determining the second community Frame number.

On the other hand the embodiment of the present invention also provides a kind of communication system, including：

Access device as described in above-described embodiment.

On the other hand the embodiment of the present invention also provides a kind of computer storage media, the computer storage media is stored with Program includes the step some or all of as described in above method embodiment when described program executes.

Therefore in technical solution provided in an embodiment of the present invention, access device obtains the System Frame Number of second community The correspondence between the System Frame Number of the UE first communities being resident；Before the UE is switched to second community, sent to the UE The frame number relationship of correspondence between the System Frame Number for being used to indicate second community and the System Frame Number of first community of the generation Instruction.Based on this mechanism so that UE can accurately know the current System Frame Number of second community after being switched to second community, into And advantageously ensure that the duration of UE communication.

Description of the drawings

In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.

Fig. 1 is the adjacent schematic diagram of a kind of macrocell provided in an embodiment of the present invention and Microcell；

Fig. 2 is a kind of flow diagram of the notification method of community configured information provided in an embodiment of the present invention；

Fig. 3 is that the notification method of another community configured information provided in an embodiment of the present invention is intended to；

Fig. 4 is the flow diagram of another cell switching control method provided in an embodiment of the present invention；

Fig. 5 is the flow diagram of another cell switching control method provided in an embodiment of the present invention；

Fig. 6 is the flow diagram of another cell switching control method provided in an embodiment of the present invention；

Fig. 7-a are a kind of schematic diagrames of access device provided in an embodiment of the present invention；

Fig. 7-b are the schematic diagrames of another access device provided in an embodiment of the present invention；

Fig. 8-a are a kind of schematic diagrames of user equipment provided in an embodiment of the present invention；

Fig. 8-b are the schematic diagrames of another user equipment provided in an embodiment of the present invention；

Fig. 9 is the schematic diagram of a communication system provided in an embodiment of the present invention.

Specific implementation mode

Below by specific embodiment, it is described in detail respectively.

In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention Range.

Term " first ", " second ", " third " " in description and claims of this specification and above-mentioned attached drawing The (if present)s such as four " are for distinguishing similar object, without being used to describe specific sequence or precedence.It should manage The data that solution uses in this way can be interchanged in the appropriate case, so that the embodiment of the present invention described herein for example can be to remove Sequence other than those of illustrating or describe herein is implemented.In addition, term " comprising " and " having " and theirs is any Deformation, it is intended that cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, production Product or equipment those of are not necessarily limited to clearly to list step or unit, but may include not listing clearly or for this The intrinsic other steps of processes, method, product or equipment or unit a bit.

Illustrate first, meaning access device of the embodiment of the present invention refers to that user equipment radio access management work(can be achieved The entity of energy, and access device and mobile management network element may have different titles, position and production in different networks Product form.

For example, the access device referred in the following embodiments of the present invention for example can refer to：Evolved universal mobile communication system System (UMTS, Universal Mobile Telecommunications System) land radio access web (E-UTRAN, Evolved UMTS Territorial Radio Access Network) in evolution base station (eNodeB), Home eNodeB (HeNB) or other types of base station；Or UMTS Terrestrial radio access network (UTRAN, UMTS Territorial Radio Access Network) base in/GSM EDGE wireless access networks (GERAN, GSM EDGE Radio Access Network) Station control or radio network controller (RNC, Radio Network Controller)；Or also to can refer to wideband code division more Location is accessed in (CDMA, Code Division Multiple Access) network, and there is High Rate Packet Data to access net (HRPD-AN, High Rate Packet Data Access Network) accesses entity, the WLAN of net logic function There is evolution packet data gateway (EPDG, Evolved Packet in (WLAN, Wireless Local Area Network) Data Gateway) access net logic function entity；Micro-wave access global inter communication (WiMAX, Worldwide Interoperability for Microwave Access) access service network base station (ASN-BS, Access in network Service Network Base Station) or other networks in realize terminal wireless access-in management entity.

Referring to Fig. 1, adjacent two cell cell 1, cell 2 are respectively Microcell (cell 1) and Microcell in Fig. 1 (cell 2).According to CRE technologies, 1 region CRE (shadow region in such as Fig. 1) can be generated, in this region CRE, from service The signal strength of cell (it is assumed herein that cell 2 is serving cell) is possibly less than adjacent area (cell 1) signal strength, at some In the case of extreme, the interference signal of adjacent area cell 1 may cause UE to be unable to properly receive the important public control of serving cell Channel institute processed carrying information, especially Physical Broadcast Channel (PBCH, Physical broadcasting channel).Especially It is that the case where being switched to the regions CRE of cell 2 from cell 1 for UE, due to being the switching initiated in advance, the UE may be caused After being switched to cell 2, it is found that it can not correctly receive the PBCH institutes carrying information of cell 2, UE communication is caused to be interrupted. Wherein, a kind of possible settling mode is that in handoff procedure, the serving BS of cell-of-origin (cell 1) passes through high-level signaling handle The important configuration information that Target cell (cell 2) PBCH is carried is notified to UE, in this way, can be solved in certain degree The problem of UE leads to communication disruption being unable to properly receive PBCH institute's carrying informations after being switched to cell 2.

Research and practice find, since PBCH carries many important configuration informations, including it is antenna in cell port number, small Area's downlink bandwidth and Cell System Frame Number (SFN, system frame number) etc..Wherein antenna in cell port number, cell The information such as downlink bandwidth are all static or semi-static changes, notify it is possible by high-level signaling.But SFN be with The time change and change, due to high-level signaling time delay and re-transmission the problems such as, UE is likely to that cell-of-origin can not be passed through The high-level signaling of (cell 1) gets the correct System Frame Number of Target cell (cell 2).

It continues with and probes into other solutions.

One embodiment of the notification method of community configured information of the present invention, it may include：Access device obtains second community System Frame Number and the System Frame Number of the resident first communities of UE between correspondence；Generate the instruction of frame number relationship, wherein the frame The instruction of number relationship is used to indicate correspondence between the System Frame Number of second community and the System Frame Number of first community；It is cut in the UE It changes to before second community, the frame number relationship instruction of the generation is sent to the UE.

Referring to Fig. 2, a kind of notification method of community configured information provided in an embodiment of the present invention, it may include the following contents：

201, right between the System Frame Number for the first community that access device obtains the System Frame Number of second community and UE is resident It should be related to；

Wherein, first community and second community are, for example, neighboring community.If the service that access device is first community accesses Equipment, then the access device can be according to the System Frame Number of neighbor cell configuration acquisition of information to second community and the system-frame of first community Correspondence between number, alternatively, the service access device of the first community can also be obtained from the service access device of second community Take correspondence between the System Frame Number of second community and the System Frame Number of first community.

202, access device generates the instruction of frame number relationship,

Wherein, frame number relationship instruction is used to indicate between the System Frame Number of second community and the System Frame Number of first community Correspondence；

203, before above-mentioned UE is switched to second community, the frame number relationship that the generation is sent to the UE refers to access device Show.

In embodiments of the present invention, access device can be by how many mode, before above-mentioned UE is switched to second community Any time sends the frame number relationship instruction of the generation to the UE.For example, access device can pass through high-level signaling or other types Message send the instruction of above-mentioned frame number relationship to above-mentioned UE.Such as access device can be sent out by radio resource control signaling to the UE It serves and states the instruction of frame number relationship；Or access device can send above-mentioned frame number relationship to the UE by system broadcast message and indicate.Or Access device also can send the switching command switched from first community to second community to the UE, wherein be taken in the switching command It is indicated with above-mentioned frame number relationship.In addition, can also to carry the mark of second community, random access information (or other for the switching command Wireless resource configuration) and/or second community frequency information etc..

In embodiments of the present invention, it is right between the System Frame Number of second community and the System Frame Number of first community to be used to indicate Should be related to frame number relationship instruction, such as may be used to indicate out second community System Frame Number and first community System Frame Number it Between biasing (here, it is assumed that being biased in certain time between the System Frame Number of second community and the System Frame Number of first community Immobilize in section), wherein assuming that indicating the System Frame Number of second community and the system-frame of first community with SFN_offset Biasing between number, then biasing SFN_offset may be, for example,：SFN_offset=(SFN_Cell1-SFN_Cell2) mod N, alternatively, SFN_offset=(SFN_Cell2-SFN_Cell1) mod N；Wherein, N be first community or second community most Big System Frame Number adds 1, SFN_Cell1 to be the System Frame Number of first community, the System Frame Number that SFN_Cell2 is second community.When So, if there are other correspondences, the frame number relationship to indicate for referring between second community and the System Frame Number of first community Other correspondences are shown.Know in the UE that first community was resident the System Frame Number of first community changing rule (such as Can change with time cycle property), so can know the current System Frame Number of first community, therefore, UE can be according to first The system of the current System Frame Number of cell and the System Frame Number and first community of the indicated second community of frame number relationship instruction Correspondence between frame number, to extrapolate the current System Frame Number of second community.

Therefore access device obtains the System Frame Number and the UE first communities being resident of second community in the present embodiment Correspondence between System Frame Number；Before the UE is switched to second community, send the generation to the UE is used to indicate second The frame number relationship instruction of correspondence between the System Frame Number of cell and the System Frame Number of first community.Based on this mechanism so that UE can accurately know the current System Frame Number of second community after being switched to second community, and then advantageously ensure that UE communication Duration.

In one embodiment of this invention, the service access device of first community can be not only switched in UE from first community Before second community (any time such as before the UE attachment removal first communities), the instruction of frame number relationship is sent to the UE, also Can before the UE is switched to second community from first community, to the UE send second community antenna port number information and/or Downlink bandwidth information also further can send second before the UE is switched to second community from first community to the UE certainly The other configurations information etc. of the PBCH carryings of cell.

In one embodiment of this invention, access device for example can determination need to by UE from first community to second community into After row switching, before the UE is switched to second community from first community, the instruction of frame number relationship is sent to the UE.Wherein, it connects Entering equipment can for example determine and need to switch over UE from first community to second community in several ways.For example, access is set The measurement report that standby receivable UE is reported；If access device determines that the signal quality of second community adds according to the measurement report It is better than the signal quality of first community after setting biasing, it is determined that go out and UE need to be cut from first community to second community Change, if according to the measurement report determine second community signal quality be better than first community signal quality, access Equipment, which can determine that, to switch over the UE from first community to second community, wherein first community is macrocell, and second is small Area is Microcell (Microcell is for example such as Microcell or common Microcell based on CRE technologies) or macrocell.Or, access is set The standby load percentage that can obtain first community and second community；If the load percentage of first community is higher than the duty factor of second community Example, then can determine that and need to switch over UE from first community to second community, if alternatively, the load percentage of first community is higher than First threshold is set, and the load percentage of first community is higher than the load percentage of second community, then can determine that need to be by UE from the One cell is switched over to second community.Alternatively, access device can receive the measurement report that UE is reported, access device obtains first The load percentage of cell and second community, if determining that the signal quality of second community adds fixed biasing according to the measurement report It is better than setting second threshold afterwards, and the load percentage of first community is higher than the load percentage of second community, then access device can be true It makes and UE need to be switched over from first community to second community.Certainly, access device can also be existing otherwise, comes true Surely UE need to be switched over from first community to second community, is no longer illustrated one by one herein.

One embodiment of the notification method of community configured information of the present invention, it may include：The UE for residing in first community is being cut It changes to before second community, receives the frame number relationship instruction that the service access device of first community is sent, frame number relationship instruction It is used to indicate correspondence between the System Frame Number of second community and the System Frame Number of first community；The UE is according to first community System Frame Number and the frame number relationship instruction meaning shown in the second community System Frame Number and first community System Frame Number it Between correspondence, determine the System Frame Number of the second community.

Referring to Fig. 3, a kind of notification method of community configured information provided in an embodiment of the present invention, it may include the following contents：

301, the UE of first community is resided in before being switched to second community, receives the service access device of first community The frame number relationship of transmission indicates, wherein frame number relationship instruction is used to indicate the System Frame Number and first community of second community Correspondence between System Frame Number；

Wherein, first community and second community are, for example, neighboring community.

In one embodiment of this invention, the service access device of first community can not only be cut in above-mentioned UE from first community It changes to (any time such as before the UE attachment removal first communities) before second community, sending frame number relationship to the UE refers to Show, can also send the antenna port number information of second community to the UE before the UE is switched to second community from first community And/or downlink bandwidth information, it can also further be sent certainly to the UE before the UE is switched to second community from first community The other configurations information etc. of the PBCH carryings of second community, and UE then can also be received further before being switched to second community Antenna port number information and/or downlink bandwidth information of the second community that the service access device of first community is sent etc..

In embodiments of the present invention, access device can be by how many mode, before above-mentioned UE is switched to second community Any time sends the frame number relationship instruction of the generation to the UE.For example, the UE for residing in first community is being switched to Before two cells, the frame number that the service access device of first community is sent by high-level signaling or other types of message can receive Relationship indicates.For example, the UE for residing in first community before being switched to second community, can receive the service access of first community Equipment is indicated by the frame number relationship that radio resource control signaling is sent；Alternatively, the service access device for receiving first community is logical Cross the frame number relationship instruction of system broadcast message transmission.Alternatively, the UE of first community is resided in before being switched to second community, The switching life that the slave first community that the service access device of receivable first community is sent to the UE is switched over to second community It enables, wherein switching command carries frame number relationship instruction.In addition, the switching command can also carry second community mark, with The frequency information etc. of machine access information (or other wireless resource configurations) and/or second community.

303, the second communities of above-mentioned UE shown according to the System Frame Number of first community and frame number relationship instruction meaning System Frame Number and the System Frame Number of first community between correspondence, determine the System Frame Number of the second community.

Further, UE, can be according to second determined after the service access device with second community establishes connection The System Frame Number of cell determines second community common control channel and system message position, to search and receive second community Related system message and/or paging message etc..

Therefore the service access device of first community is switched to second community in UE from first community in the present embodiment Before, the frame for being used to indicate correspondence between the System Frame Number of second community and the System Frame Number of first community is sent to the UE The instruction of number relationship, UE are according to the second community shown in the System Frame Number of first community and frame number relationship instruction meaning Correspondence between system frame number and the System Frame Number of first community, determines the System Frame Number of the second community.Based on this mechanism, make The current System Frame Number of second community can accurately be known after being switched to second community from first community by obtaining UE, and then is conducive to Ensure the duration of UE communication.

For ease of be better understood from implement the embodiment of the present invention technical solution, below by it is several under handoff scenario into The application scenarios of row community configured information notice are further introduced.

Referring to Fig. 4, another kind cell switching control method provided in an embodiment of the present invention, it may include the following contents：

401, UE 1 measures the descending synchronous signal channel and CPICH Common Pilot Channel of cell 1 and cell 2, and reports survey to eNB1 Amount report.

It is currently stayed with service eNB, eNB2 that eNB1 is cell 1 the service eNB, UE 1 for being cell 2 in the present embodiment It is neighboring community to stay in cell 1, cell 2 and cell 1, and cell 1 is macrocell, cell 2 is based on the small of CRE technologies For area.

If 402, eNB1 determines that the measurement result of cell 2 is better than the measurement result of cell 1 according to the measurement report of UE1 (e.g., RSRP-Cell1<RSRP-Cell2+offset), it is determined that UE1 need to be switched over from cell 1 to cell 2.

403, eNB1 notifies the biasing between cell 1 and the System Frame Number of cell 2 to UE 1；

In an embodiment of the present invention, eNB1 can notify cell 1 and cell by the specific high-level signalings of UE to UE 1 Biasing between 2 System Frame Number；Alternatively, eNB1 also can notify cell 1 and cell 2 by system broadcast message to UE 1 System Frame Number between biasing, eNB1 can also notify the antenna port number and downlink bandwidth etc. of cell 2 to UE 1 together, when The other configurations information etc. of the PBCH carryings of cell 2 so can be also further notified to UE 1.

Wherein, SFN_offset=(SFN_Cell1-SFN_Cell2) mod N, alternatively,

SFN_offset=(SFN_Cell2-SFN_Cell1) mod N；

Wherein, SFN_Cell1 refers to the System Frame Number of cell 1, and SFN_Cell2 refers to the System Frame Number of cell 2, what mod referred to It is modulo operation, N is that the maximum system frame number of cell 1 and cell 2 adds 1, and SFN_offset is cell's 1 and cell 2 Biasing between System Frame Number.

404, UE1 is according to the System Frame Number (SFN_Cell1) of known cell-of-origin cell 1, and the cell-of-origin being notified The System Frame Number of cell 1 and Target cell cell 2 are poor (SFN_offset), extrapolate the System Frame Number of cell 2, SFN_ Cell2=(SFN_Cell1-SFN_offset) mod N, alternatively,

SFN_Cell2=(SFN_Cell1+SFN_offset) mod N.

405, eNB1 sends the switching command switched over to cell 2 to UE1；

Wherein, it is (or other can to carry the mark of cell 2, the frequency of cell 2 and random access information for above-mentioned switching command Wireless resource configuration) etc., certainly, it can also further carry the other information carried needed for existing switching command.

406, UE1 initiates random access according to the above-mentioned switching command received to eNB2, establishes the connection with eNB2, with It is switched to cell 2.

407, UE1 determines 2 common control channel of cell and system message according to the System Frame Number of the cell 2 extrapolated Position, so as to the paging message for searching and receiving cell 2 and other related system message.

Therefore if UE is currently located the service eNB of cell 1 and is determined according to the measurement report of UE in the present embodiment The measurement result of cell 2 is better than the measurement result of cell 1, need to switch over UE from cell 1 to cell 2, then the eNB exists Before UE attachment removals cell 1, the biasing between cell 1 and the System Frame Number of cell 2 is sent to the UE；The UE is from cell 1 is switched to after cell 2, the cell 2 according to current cell 1 System Frame Number and the instruction meaning and cell's 1 The current System Frame Numbers of cell 2 are extrapolated in biasing between System Frame Number, and connection is established in the service eNB with cell 2 Afterwards, UE can search the system message and/or paging message of cell 2 according to the System Frame Number for the cell 2 that this is extrapolated.Based on this Mechanism so that UE, can be based on the system-frame of the cell 2 and cell 1 that receive after being switched to Target cell cell 2 It is biased between number, accurately knows the current System Frame Numbers of cell 1, and then advantageously ensure that the duration of UE communication.

Referring to Fig. 5, another kind cell switching control method provided in an embodiment of the present invention, it may include the following contents：

501, eNB1 obtains the current load percentages of cell 1 and cell 2.

If 502, load percentage current cell 1 is more than the current load percentages of cell 2, eNB1 determinations need to be by UE1 It is switched over from cell 1 to cell 2.

503, eNB1 notifies the biasing between cell 1 and the System Frame Number of cell 2 to UE 1；

Wherein, SFN_offset=(SFN_Cell1-SFN_Cell2) mod N,

Alternatively, SFN_offset=(SFN_Cell2-SFN_Cell1) mod N,

504, UE1 is according to the System Frame Number (SFN_Cell1) of known cell-of-origin cell 1, and the cell-of-origin being notified The System Frame Number of cell 1 and Target cell cell 2 are poor (SFN_offset), extrapolate the System Frame Number of cell 2, SFN_ Cell2=(SFN_Cell1-SFN_offset) mod N,

Alternatively, SFN_Cell2=(SFN_Cell1+SFN_offset) mod N.

505, eNB1 sends the switching command switched over to cell 2 to UE1；

506, UE1 initiates random access according to the above-mentioned switching command received to eNB2, establishes the connection with eNB2, with It is switched to cell 2.

507, UE1 determines 2 common control channel of cell and system message according to the System Frame Number of the cell 2 extrapolated Position, so as to the paging message for searching and receiving cell 2 and other related system message.

Therefore UE is currently located the service eNB of cell 1 according to loading condition in the present embodiment, determination need to by UE from Cell 1 is switched over to cell 2, then the eNB sends cell's 1 and cell 2 before UE attachment removals cell 1 to the UE Biasing between System Frame Number；The UE from cell 1 after being switched to cell 2, according to the current System Frame Numbers of cell 1, and The biasing between cell 2 and the System Frame Number of cell 1 shown in the instruction meaning, extrapolates the current system-frames of cell 2 Number, after the service eNB with cell 2 establishes connection, UE can search cell according to the System Frame Number for the cell 2 that this is extrapolated 2 system message and/or paging message.Based on this mechanism so that UE can be based on after being switched to Target cell cell 2 It is biased between the cell 2 received and the System Frame Number of cell 1, accurately knows the current System Frame Numbers of cell 1, Jin Eryou Conducive to the duration of guarantee UE communication.

Referring to Fig. 6, another kind cell switching control method provided in an embodiment of the present invention, it may include the following contents：

601, UE 1 measures the descending synchronous signal channel and CPICH Common Pilot Channel of cell 1 and cell 2, and reports survey to eNB1 Amount report.

If 602, eNB1 determines that the measurement result of cell 2 is better than the measurement result of cell 1 according to the measurement report of UE1 (e.g., RSRP-Cell1<RSRP-Cell2+offset), it is determined that UE1 need to be switched over from cell 1 to cell 2.

603, eNB1 sends the switching command switched over to cell 2 to UE1；

Wherein, which can carry：Biasing between cell 1 and the System Frame Number of cell 2 can also carry cell 2 mark can also carry the frequency and random access information (or other wireless resource configurations of cell 2.

Wherein, SFN_offset=(SFN_Cell1-SFN_Cell2) mod N,

Alternatively, SFN_offset=(SFN_Cell2-SFN_Cell1) mod N, wherein SFN_Cell1 refers to cell's 1 System Frame Number, SFN_Cell2 refer to the System Frame Number of cell 2, and mod refers to modulo operation, N be cell 1 and cell 2 most Big System Frame Number adds 1, and biasings of the SFN_offset between cell 1 and the System Frame Number of cell 2.

604, UE1 is according to the System Frame Number (SFN_Cell1) of known cell-of-origin cell 1, and the cell-of-origin being notified The System Frame Number of cell 1 and Target cell cell 2 are poor (SFN_offset), extrapolate the System Frame Number of cell 2, SFN_ Cell2=(SFN_Cell1-SFN_offset) mod N,

Alternatively, SFN_Cell2=(SFN_Cell1+SFN_offset) mod N.

605, UE1 initiates random access to eNB2, establishes the connection with eNB2, with switching according to the switching command received To cell 2.

606, UE1 determines 2 common control channel of cell and system message according to the System Frame Number of the cell 2 extrapolated Position, so as to the paging message for searching and receiving cell 2 and other related system message

It should be noted that for each method embodiment above-mentioned, for simple description, therefore it is all expressed as a series of Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the described action sequence because According to the present invention, certain steps can also use other sequences or be carried out at the same time.Secondly, those skilled in the art should also know It knows, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention It is necessary.

For ease of preferably implementing the said program of the embodiment of the present invention, the embodiment of the present invention also provides above-mentioned for implementing The relevant apparatus of scheme.

Referring to Fig. 7-a, access device 700 provided in an embodiment of the present invention, it may include：

Acquiring unit 710, generation unit 720 and transmitter 730.

Wherein, acquiring unit 710, the system-frame of System Frame Number and the UE first communities being resident for obtaining second community Correspondence between number.

Wherein, first community and second community are, for example, neighboring community.It is connect if access device 700 is the service of first community Enter equipment, then the acquiring unit 710 can be according to the System Frame Number of neighbor cell configuration acquisition of information to second community and first community Correspondence between System Frame Number, alternatively, also can to obtain second from the service access device of second community small for acquiring unit 710 Correspondence between the System Frame Number in area and the System Frame Number of first community.

Generation unit 720, for generating the instruction of frame number relationship, wherein frame number relationship instruction is used to indicate second community System Frame Number and the System Frame Number of first community between correspondence；

Transmitter 730, for before above-mentioned UE is switched to second community, sending what generation unit 720 generated to the UE Frame number relationship indicates.

In embodiments of the present invention, transmitter 730 can be by how many mode, before above-mentioned UE is switched to second community Any time sends the frame number relationship instruction that generation unit 720 generates to the UE.

In an embodiment of the present invention, transmitter 730 can be specifically used for, by high-level signaling or other message to above-mentioned UE Send the frame number relationship instruction that generation unit 720 generates.

In an embodiment of the present invention, transmitter 730 can be specifically used for, and be sent out to above-mentioned UE by radio resource control signaling Send the frame number relationship instruction that generation unit 720 generates；Alternatively, sending generation unit 720 to above-mentioned UE by system broadcast message The frame number relationship of generation indicates.

In an embodiment of the present invention, transmitter 730 can be specifically used for, and be sent to above-mentioned UE to from first community to second The switching command that cell switches over, wherein switching command carries the frame number relationship instruction that generation unit 720 generates, the switching Order can also carry the random access information etc. of the mark and second community of second community.

In one embodiment of this invention, access device 700 for example can determination need to be small from first community to second by UE After area switches over, before the UE is switched to second community from first community, the instruction of frame number relationship is sent to the UE.

In one embodiment of this invention, transmitter 730 not only can be before UE be switched to second community from first community (any time such as before the UE attachment removal first communities) sends the instruction of frame number relationship to the UE, can also be in the UE from the One cell is switched to before second community, and the antenna port number information and/or downlink bandwidth information of second community are sent to the UE, Certainly also the PBCH carryings of second community can be further sent to the UE before the UE is switched to second community from first community Other configurations information etc..

Referring to Fig. 7-b, in an embodiment of the present invention, access device 700 may also include：

Determination unit 740 need to switch over UE from first community to second community for determination；

Wherein it is determined that unit 740 can for example determine in several ways need to by UE from first community to second community into Row switching.For example, determination unit 740 can receive the measurement report that UE is reported；If determining second community according to measurement report Signal quality is plus the signal quality for being better than first community after setting biasing, it is determined that going out need to be by UE from first community to second Cell switches over, if determining that the signal quality of second community is better than the signal matter of first community according to the measurement report Amount, then can determine that and need to switch over the UE from first community to second community, wherein first community is macrocell, second Cell is Microcell (Microcell is for example such as Microcell or common Microcell based on CRE technologies) or macrocell.Or, determining Unit 740 can obtain the load percentage of first community and second community；If the load percentage of first community is higher than second community Load percentage then can determine that and need to switch over UE from first community to second community, if alternatively, the duty factor of first community Example higher than setting first threshold, and the load percentage of first community be higher than second community load percentage, then can determine that need by UE is switched over from first community to second community.Alternatively, determination unit 740 can receive the measurement report that UE is reported, the is obtained The load percentage of one cell and second community, if determining that the signal quality of second community adds according to the measurement report determines biasing It is better than setting second threshold later, and the load percentage of first community is higher than the load percentage of second community, it is determined that unit 740 It can determine that and UE need to be switched over from first community to second community.Certainly, determination unit 740 can also show otherwise Have, UE need to be switched over from first community to second community to determine, no longer be illustrated one by one herein.

It is understood that the access device 700 of the present embodiment can such as the access device in above method embodiment, The function of each function module can be implemented according to the method for above method embodiment introduction, and specific implementation process can join See the associated description in above-described embodiment, details are not described herein.

Therefore access device 700 obtains resident first small of System Frame Number and UE of second community in the present embodiment Correspondence between the System Frame Number in area；Before the UE is switched to second community, being used to indicate for the generation is sent to the UE The frame number relationship instruction of correspondence between the System Frame Number of second community and the System Frame Number of first community.Based on this mechanism, So that UE can accurately know the current System Frame Number of second community after being switched to second community, and then advantageously ensure that UE is logical The duration of letter.

Referring to Fig. 8-a, user equipment 800 provided in an embodiment of the present invention, it may include：Receiver 810 and projected unit 820。

Wherein, receiver 810, the service for before being switched to second community from first community, receiving first community connect Enter the frame number relationship instruction of equipment transmission, frame number relationship instruction is used to indicate the System Frame Number and first community of second community Correspondence between System Frame Number；

Projected unit 820, the frame number relationship for being received according to the System Frame Number and receiver 810 of first community indicate Correspondence between the System Frame Number of second community shown in meaning and the System Frame Number of first community, determine second community is System frame number.

In an embodiment of the present invention, receiver 810 can be specifically used for, and the service access device for receiving first community passes through The frame number relationship instruction that high-level signaling is sent.For example, receiver 810 is specifically used for, the service access device of first community is received The frame number relationship instruction sent by radio resource control signaling；Alternatively, the service access device for receiving first community passes through and is The frame number relationship instruction that system broadcast message is sent.Alternatively, receiver 810 is specifically used for, the service access for receiving first community is set The switching command that the slave first community that preparation is sent is switched over to second community, wherein the switching command carries frame number relationship Instruction.

In an embodiment of the present invention, receiver 810 can be additionally used in, before being switched to second community from first community, Receive the antenna port number information and/or downlink bandwidth information of the second community of the service access device transmission of first community.

In embodiments of the present invention, it is right between the System Frame Number of second community and the System Frame Number of first community to be used to indicate Should be related to frame number relationship instruction, such as may be used to indicate out second community System Frame Number and first community System Frame Number it Between biasing (here, it is assumed that being biased in certain time between the System Frame Number of second community and the System Frame Number of first community Immobilize in section), wherein assuming that indicating the System Frame Number of second community and the system-frame of first community with SFN_offset Biasing between number, then biasing SFN_offset may be, for example,：SFN_offset=(SFN_Cell1-SFN_Cell2) mod N, alternatively, SFN_offset=(SFN_Cell2-SFN_Cell1) mod N；Wherein, N be first community or second community most Big System Frame Number adds 1, SFN_Cell1 to be the System Frame Number of first community, the System Frame Number that SFN_Cell2 is second community.When So, if there are other correspondences, the frame number relationship to indicate for referring between second community and the System Frame Number of first community Other correspondences are shown.Know in the UE that first community was resident the System Frame Number of first community changing rule (such as Can change with time cycle property), so can know the current System Frame Number of first community, therefore, projected unit 820 can It is small according to the System Frame Number of the current System Frame Number of first community and the indicated second community of frame number relationship instruction and first Correspondence between the System Frame Number in area, to extrapolate the current System Frame Number of second community.

Referring to Fig. 8-b, in an embodiment of the present invention, user equipment 800 may also include：

Unit 830 is searched, after establishing connection in the service access device of user equipment 800 and second community, root It is estimated that the System Frame Number for the second community that unit 820 is extrapolated, searches the system message and/or paging message of second community.

It is understood that the user equipment 800 of the present embodiment can such as the user equipment in above method embodiment, The function of each function module can be implemented according to the method for above method embodiment introduction, and specific implementation process may refer to The associated description in embodiment is stated, details are not described herein.

Therefore the service access device of first community switches in user equipment 800 from first community in the present embodiment To before second community, the system-frame of the System Frame Number and first community that are used to indicate second community is sent to user equipment 800 The frame number relationship instruction of correspondence, user equipment 800 refer to according to the System Frame Number of first community and the frame number relationship between number Show correspondence between the System Frame Number of the second community shown in meaning and the System Frame Number of first community, determines that this is second small The System Frame Number in area.Based on this mechanism so that user equipment 800 can be obtained accurately after being switched to second community from first community Know the current System Frame Number of second community, and then advantageously ensures that the duration that user equipment 800 communicates.

The embodiment of the present invention provides a kind of communication system, it may include：

Access device 910 and user equipment 920.

Wherein, access device 910 is used for, and obtains System Frame Number and resident first small of user equipment 920 of second community Correspondence between the System Frame Number in area；Generate the instruction of frame number relationship, wherein frame number relationship instruction is used to indicate second community System Frame Number and the System Frame Number of first community between correspondence；Before the user equipment 920 is switched to second community, The frame number relationship instruction of the generation is sent to user equipment 920.

Wherein, first community and second community are, for example, neighboring community.It is connect if access device 910 is the service of first community Enter equipment, then the access device can be according to the System Frame Number of neighbor cell configuration acquisition of information to second community and the system of first community Correspondence between frame number, alternatively, the service access device of the first community also can be from the service access device of second community Correspondence between the System Frame Number and the System Frame Number of first community of acquisition second community.

User equipment 920, what the service access device for before being switched to second community, receiving first community was sent Frame number relationship indicates；The second community according to the System Frame Number of first community and frame number relationship instruction meaning is Correspondence between system frame number and the System Frame Number of first community, determines the System Frame Number of the second community.

In embodiments of the present invention, access device 910 can be switched to by how many mode in above-mentioned user equipment 920 Any time before two cells sends the frame number relationship instruction of the generation to the user equipment 920.For example, access device 910 Above-mentioned frame number relationship can be sent by high-level signaling or other types of message to user equipment 920 to indicate.Such as access device 910 can send above-mentioned frame number relationship by radio resource control signaling to user equipment 920 indicates；Or access device 910 can lead to It crosses system broadcast message and sends above-mentioned frame number relationship instruction to user equipment 920.Or access device 910 also can be to user equipment 920 send the switching command switched from first community to second community, and above-mentioned frame number relationship instruction is carried in the switching command.This Outside, the switching command can also carry the mark of second community, random access information (or other wireless resource configurations) and/ Or the frequency information etc. of second community.

The embodiment of the present invention provides a kind of communication system, it may include：Access device 700.

The embodiment of the present invention also provides a kind of computer storage media, wherein the computer storage media can be stored with journey Sequence, the program include some or all of the data processing method described in above method embodiment step when executing.

In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment Point, it may refer to the associated description of other embodiment.

To sum up, in the technical solution of the embodiment of the present invention, the service access device of first community is cut in UE from first community It changes to before second community, is used to indicate between the System Frame Number of second community and the System Frame Number of first community to UE transmissions The frame number relationship of correspondence indicates that UE is according to being somebody's turn to do shown in the System Frame Number of first community and frame number relationship instruction meaning Correspondence between the System Frame Number of second community and the System Frame Number of first community determines the System Frame Number of the second community. Based on this mechanism so that UE can accurately know the current system-frame of second community after being switched to second community from first community Number, and then advantageously ensure that the duration of UE communication.

One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage Medium for example may include：Read-only memory, random access memory, disk or CD etc..

It is provided for the embodiments of the invention the notification method and relevant apparatus and logical of a kind of community configured information above Letter system is described in detail, and principle and implementation of the present invention are described for specific case used herein, The explanation of above example is only intended to facilitate the understanding of the method and its core concept of the invention；Meanwhile for the one of this field As technical staff, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, to sum up, this Description should not be construed as limiting the invention.

Claims

1. a kind of notification method of community configured information, which is characterized in that including：

Access device obtains corresponding between the System Frame Number of second community and the System Frame Number for the first community that user equipment is resident Relationship；

The access device generates the instruction of frame number relationship, wherein the frame number relationship instruction is used to indicate the second community Correspondence between System Frame Number and the System Frame Number of first community, the frame number relationship instruction is for determining the second community System Frame Number；

The access device sends the frame number before the user equipment is switched to second community, to the user equipment and closes It means and shows.

2. according to the method described in claim 1, it is characterized in that,

It is described to send the frame number relationship instruction to the user equipment, including：It is sent out to the user equipment by high-level signaling The frame number relationship is sent to indicate.

3. according to the method described in claim 2, it is characterized in that,

It is described that the frame number relationship instruction is sent to the user equipment by high-level signaling, including：Pass through wireless heterogeneous networks Signaling sends the frame number relationship instruction to the user equipment；Alternatively, being sent out to the user equipment by system broadcast message The frame number relationship is sent to indicate.

4. according to the method described in claim 2, it is characterized in that,

It is described that the frame number relationship instruction is sent to the user equipment by high-level signaling, including：It is sent out to the user equipment Send the switching command switched from the first community to the second community, wherein the switching command carries the frame number Relationship indicates.

5. method according to any one of claims 1 to 4, which is characterized in that

The method further includes：

Before the user equipment is switched to second community, the antenna port of the second community is sent to the user equipment Number information and/or downlink bandwidth information.

6. method according to any one of claims 1 to 4, which is characterized in that

Between the second community and the System Frame Number of first community correspondence include the second community System Frame Number with Biasing between the System Frame Number of first community.

7. according to the method described in claim 6, it is characterized in that,

Biasing SFN_offset=(SFN_Cell1-SFN_Cell2) the mod N,

Alternatively, biasing SFN_offset=(SFN_Cell2-SFN_Cell1) the mod N；

Wherein, SFN_Cell1 is the System Frame Number of the first community, the System Frame Number that SFN_Cell2 is the second community, The N adds 1 for the maximum system frame number of the first community or the second community.

8. a kind of notification method of community configured information, which is characterized in that including：

The user equipment of first community is resided in before being switched to second community, receives the service access device hair of first community The frame number relationship instruction sent, frame number relationship instruction is used to indicate the System Frame Number of the second community and first community is Correspondence between system frame number；

The user equipment is according to described the shown in the System Frame Number of the first community and frame number relationship instruction meaning Correspondence between the System Frame Number of two cells and the System Frame Number of first community determines the System Frame Number of the second community.

9. according to the method described in claim 8, it is characterized in that, what the service access device for receiving first community was sent The instruction of frame number relationship, including：The service access device for receiving first community is referred to by the frame number relationship that high-level signaling is sent Show.

10. according to the method described in claim 9, it is characterized in that, the service access device for receiving first community passes through High-level signaling sends the frame number relationship instruction, including：The service access device for receiving first community passes through wireless heterogeneous networks The frame number relationship instruction that signaling is sent；Alternatively, the service access device for receiving first community is sent out by system broadcast message The frame number relationship instruction sent.

11. according to the method described in claim 9, it is characterized in that, the service access device for receiving first community passes through High-level signaling sends the frame number relationship instruction, including：The service access device for receiving first community is sent out to the user equipment The switching command switched over from the first community to the second community sent, wherein the switching command carries State the instruction of frame number relationship.

12. according to claim 8 to 11 any one of them method, which is characterized in that

The method further includes：

The user equipment receives the service access device of first community is sent described second before being switched to second community The antenna port number information and/or downlink bandwidth information of cell.

13. according to claim 8 to 11 any one of them method, which is characterized in that

Correspondence includes the second community between the System Frame Number of the second community and the System Frame Number of first community Biasing between System Frame Number and the System Frame Number of first community.

14. according to the method for claim 13, which is characterized in that

Biasing SFN_offset=(SFN_Cell1-SFN_Cell2) the mod N,

Alternatively, biasing SFN_offset=(SFN_Cell2-SFN_Cell1) the mod N；

15. a kind of access device, which is characterized in that including：

Acquiring unit, between the System Frame Number of the resident first community of System Frame Number and user equipment for obtaining second community Correspondence；

Generation unit, for generating the instruction of frame number relationship, wherein the frame number relationship instruction is used to indicate the acquiring unit and obtains Correspondence between the System Frame Number of the second community taken and the System Frame Number of first community, the frame number relationship instruction is for true The System Frame Number of the fixed second community；

Transmitter, for before the user equipment is switched to second community, sending the frame number to the user equipment and closing It means and shows.

16. access device according to claim 15, which is characterized in that

The transmitter is specifically used for, and sending the frame number relationship to the user equipment by high-level signaling indicates.

17. access device according to claim 16, which is characterized in that

The transmitter is specifically used for, and sending the frame number relationship to the user equipment by radio resource control signaling refers to Show；It is indicated alternatively, sending the frame number relationship to the user equipment by system broadcast message.

18. access device according to claim 15, which is characterized in that

The transmitter is specifically used for, and sends from the first community to what the second community switched and cuts to the user equipment Change order, wherein the switching command carries the frame number relationship instruction.

19. according to claim 15 to 18 any one of them access device, which is characterized in that

The transmitter is additionally operable to, before the user equipment is switched to second community, described in user equipment transmission The antenna port number information and/or downlink bandwidth information of second community.

20. a kind of user equipment, which is characterized in that including：

Receiver, what the service access device for before being switched to second community from first community, receiving first community was sent Frame number relationship indicates that the frame number relationship instruction is used to indicate the system-frame of the System Frame Number and first community of the second community Correspondence between number；

Projected unit, the frame number relationship for being received according to the System Frame Number of the first community and the receiver indicate institute Correspondence between the System Frame Number of the second community and the System Frame Number of first community that indicate determines that described second is small The System Frame Number in area.

21. user equipment according to claim 20, which is characterized in that

The receiver is specifically used for, and the service access device for receiving first community is closed by the frame number that high-level signaling is sent It means and shows.

22. user equipment according to claim 21, which is characterized in that

The receiver is specifically used for, and receives the institute that the service access device of first community is sent by radio resource control signaling State the instruction of frame number relationship；Alternatively, the frame number that the service access device for receiving first community is sent by system broadcast message Relationship indicates.

23. user equipment according to claim 21, which is characterized in that

The receiver is specifically used for, receive that the service access device of first community sends to the user equipment from described The switching command that one cell is switched over to the second community, wherein the switching command carries the frame number relationship and refers to Show.

24. according to claim 20 to 23 any one of them user equipment, which is characterized in that

The receiver is additionally operable to, and before being switched to second community from first community, the service access for receiving first community is set The antenna port number information and/or downlink bandwidth information for the second community that preparation is sent.

25. a kind of communication system, which is characterized in that including：

Such as claim 15~19 any one of them access device, and such as claim 20~24 any one of them user Equipment.

26. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey Sequence, the computer program make communication equipment perform claim require 1 to 14 any one of them method.