CN102300185B - Worldwide interoperability for microwave access (WIMAX)-based neighbor cell message configuration method and base station - Google Patents
Worldwide interoperability for microwave access (WIMAX)-based neighbor cell message configuration method and base station Download PDFInfo
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- CN102300185B CN102300185B CN201010205278.4A CN201010205278A CN102300185B CN 102300185 B CN102300185 B CN 102300185B CN 201010205278 A CN201010205278 A CN 201010205278A CN 102300185 B CN102300185 B CN 102300185B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000004044 response Effects 0.000 claims description 8
- 238000013507 mapping Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 101710192523 30S ribosomal protein S9 Proteins 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/045—Interfaces between hierarchically different network devices between access point and backbone network device
Abstract
The invention discloses a worldwide interoperability for microwave access (WIMAX)-based neighbor cell message configuration method and a WIMAX-based neighbor cell message configuration base station. The method comprises the following steps that: a serving base station acquires the base station configuration information of a neighbor cell base station from at least one neighbor cell base station by an access gateway; and the serving base station saves the base station configuration information of the neighbor cell base station. By the technical scheme provided by the invention, the automatic configuration of the serving base station over the information of the neighbor cell base station is realized, and compared with a manual configuration way, the automatic configuration remarkably improves configuration efficiency and avoids communication failures caused by input errors. By the method and the base station, a neighbor cell handover way of a mobile station (MS) is judged by the base station configuration information of the neighbor cell base station, so the success rate of neighbor cell handover can be remarkably increased, and wireless communication quality can be ensured.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to a kind of method and the base station that realize adjacent area message arrangement based on worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access:WIMAX).
Background technology
In WIMAX system, base station (Base Station:BS) is when controlling wireless terminal (MS) and carrying out the operations such as adjacent area switching, usually need to consider multiple reference factor, the physical layer modes, subchannel behaviour in service etc. of such as adjacent area BS, to ensure that MS is at the communication quality switching adjacent area, realizes the load balancing between multiple BS simultaneously.
But each BS adopts manual type to realize the configuration of neighboring BS information in current WIMAX system, not only operating efficiency is low, and the success rate that adjacent area may be caused to switch due to the reason such as operate miss, operation delay is lower.
Summary of the invention
The main technical problem to be solved in the present invention is, provides a kind of method and the base station that realize adjacent area message arrangement based on WIMAX, can significantly improve allocative efficiency.
For solving the problems of the technologies described above, the invention provides a kind of method realizing adjacent area message arrangement based on WIMAX, comprising the following steps:
Service side BS obtains the base station configuration information of described adjacent area BS from least one adjacent area BS by IAD;
Service side BS preserves the base station configuration information of described adjacent area BS.
Further, after service side BS preserves the base station configuration information of described adjacent area BS, further comprising the steps of:
The adjacent area of triggering wireless terminal switches;
Service side BS, according to the base station configuration information of the adjacent area BS preserved, adjudicates the adjacent area switching mode of described wireless terminal.
Service side BS obtains the base station configuration information of adjacent area BS in the following ways from adjacent area BS:
Side BS is when system initialization in service, sends neighboring BS information request to adjacent area BS, and receives the base station configuration information that described adjacent area BS returns according to described neighboring BS information request;
Or side BS is in normal course of operation in service, and timing sends neighboring BS information request to adjacent area BS, and receives the base station configuration information that described adjacent area BS returns according to described neighboring BS information request;
When the base station configuration information of adjacent area BS changes, initiatively send the base station configuration information of the adjacent area BS after change to described service side BS.
In a kind of execution mode, when service side BS obtains the base station configuration information of described adjacent area BS, described base station configuration information is included in during described adjacent area BS reports to the neighboring BS information that described service side BS sends.
Described base station configuration information comprises at least one in synchronous code index, switching preference, physical layer modes, dispatch service support, switching type support, upstream subchannels mapping.
After service side BS preserves the base station configuration information of described adjacent area BS, also by broadcast, the base station configuration information of described adjacent area BS is sent to described wireless terminal.
Preferably, the concrete mode that the adjacent area of triggering wireless terminal switches is: service side BS receives the handover request of wireless terminal, or service side BS is to the response message receiving described wireless terminal after described wireless terminal sends handover request.
The handover request of described wireless terminal or response message also carry the signal strength information of described adjacent area BS; Side BS is also with reference to the signal strength information of described adjacent area BS in service, adjudicates the adjacent area switching mode of described wireless terminal.
The present invention also protects a kind of service side BS realizing adjacent area message arrangement based on WIMAX, comprises data obtaining module and memory module;
Data obtaining module is used for the base station configuration information being obtained described adjacent area BS by IAD from least one adjacent area BS, and the base station configuration information of described adjacent area BS is sent to described memory module;
Memory module is for preserving the base station configuration information of described adjacent area BS.
Further, handover trigger module and switch decision module is also comprised;
Handover trigger module switches for the adjacent area of triggering described wireless terminal;
Switch decision module is used for, when the adjacent area that described handover trigger module triggers described wireless terminal switches, according to the base station configuration information of the adjacent area BS that described memory module is preserved, adjudicating the switching mode of described wireless terminal.
Further, also comprise information providing module, for the request according to adjacent area BS, send the base station configuration information of described service side BS to described adjacent area BS; Or when the base station configuration information of serving side BS changes, initiatively send the base station configuration information of the service side BS after described change to described adjacent area BS.
The invention has the beneficial effects as follows: the present invention is based on the technical scheme that WIMAX realizes adjacent area message arrangement and achieve the automatic configuration of service base station, side for neighbor base station information, compared with the mode of human configuration, significantly improve allocative efficiency, and the communication failure avoiding input error and cause.
Service side BS of the present invention utilizes the adjacent area switching mode of the base station configuration information judgement MS of adjacent area BS, can significantly improve the success rate that adjacent area switches, ensure wireless telecommunications quality.
Accompanying drawing explanation
Fig. 1 is that an embodiment of the present invention realizes the method flow diagram of adjacent area message arrangement based on WIMAX;
Fig. 2 is the information interaction schematic diagram that the another kind of embodiment MS of the present invention carries out adjacent area switching;
Fig. 3 is the another kind of embodiment of the present invention realizes adjacent area message arrangement system schematic based on WIMAX.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
The invention discloses a kind of technical scheme realizing adjacent area message arrangement based on WIMAX, service side BS can obtain the base station configuration information of adjacent area BS automatically from adjacent area BS, when the MS serving side BS management needs to carry out adjacent area switching, serve side BS using the base station configuration information of adjacent area BS as reference factor, thus the adjacent area switching mode of judgement MS.
Please refer to Fig. 1, a kind of method realizing adjacent area message arrangement based on WIMAX of present embodiment comprises the following steps:
Step S101: service side BS obtains the base station configuration information of adjacent area BS from least one adjacent area BS by IAD, the base station configuration information of each BS comprises the Preamble index (synchronous code index) of this BS, HO Process Optimzation (switching preference), PhyModeID (physical layer modes), SchedulingService Supported (dispatch service support), HO Type Support (switching type support), one or more in the information such as ULAllocated subchannels bitmap (upstream subchannels mapping), whether support that a certain MS switches to this BS and carries out wireless telecommunications for reflection, or other operation is performed for base station.
Concrete obtain manner comprises multiple, such as, when serving side BS at system initialization, sends neighboring BS information request to adjacent area BS, and receives the base station configuration information that adjacent area BS returns according to neighboring BS information request.
Or when service side BS is in normal course of operation, timing sends neighboring BS information request to adjacent area BS, and receives the base station configuration information that adjacent area BS returns according to described neighboring BS information request.
In another kind of execution mode, when the base station configuration information of adjacent area BS changes, initiatively send the base station configuration information of the adjacent area BS after change to service side BS.
For the WIMAX system that multiple BS forms, may there is adjacent area and switch in MS between each BS, therefore serves the adjacent area BS of side BS as other communities, also provide the base station configuration information of service side BS by above-described mode to other adjacent areas BS.
At present, the radio resource management module of BS is used for being responsible for the mutual of the information such as configuration information between the BS of adjacent area and resource utilization, the radio resource management module of each BS can send to adjacent BS the adjacent area report message comprising the message such as the description of up-downgoing channel and resource utilization, contribute to the load balancing realized between BS, therefore, one preferred embodiment in, base station configuration information can be included in the neighboring BS information report that adjacent area BS sends to service side BS, namely add the content of existing neighboring BS information report, the change of present embodiment to existing WIMAX system is less.
IAD realizes the transmission of base station configuration information by information control unit, and for directly not carrying out mutual BS, IAD also can carry out information forwarding by next stage IAD.
Step S102: service side BS preserves the base station configuration information of adjacent area BS.Then, service side BS, also by all MS that the base station configuration information of adjacent area BS sends to service side BS to manage by MOB_NBR-ADV broadcast, makes MS determine whether propose adjacent area handover request with reference to the base station configuration information of these adjacent areas BS.
Step S103: the adjacent area of triggering MS switches.
This step also realizes by various ways, such as, when MS judges that the signal strength signal intensity of current service side BS is more weak, initiatively can propose handover request to service side BS; Or when service side BS is according to load state, sends handover request to MS where necessary, and receive the response message of MS.
Preferably, MS, when proposing handover request or response message, also can carry the signal strength information of one or more adjacent area BS obtained by the mode of signal scanning, and service side BS receives and preserves the signal strength information of this adjacent area BS.
Step S104: service side BS according to the base station configuration information of the adjacent area BS preserved, and the adjacent area switching mode of judgement MS, whether adjacent area switching mode comprises advises that MS switches, or selects the target adjacent area BS etc. of switching.
Mode decision scheme can set flexibly, such as, serve side BS by more multiple adjacent area BSPhyModeID, selects to have to switch BS compared with the adjacent area BS of large bandwidth pattern as the target of MS.Preferably, side BS is when adjudicating in service, the signal strength information of each adjacent area BS that also can provide with reference to MS, thus draws rational court verdict, the adjacent area BS that such as prioritizing selection signal strength signal intensity is larger.
Step S105: the court verdict comprising adjacent area switching mode is sent to MS by service side BS, makes it carry out corresponding handover operation according to this court verdict.
As shown in Figure 2, such as, when base station A is as when serving side BS, base station B and base station C as adjacent area BS, the information interaction flow process that MS carries out adjacent area switching comprises the following steps:
Step S201: base station A, when system initialization, sends neighboring BS information request by IAD to neighbor base station.
Step S202: IAD by neighboring BS information request forward to base station B.
Step S203: the base station configuration information of this BS is sent to base station A by IAD by base station B, its PhyModeID only supports 5M bandwidth mode.
Step S204: the base station configuration information of base station B is forwarded to base station A by IAD, base station A preserves this base station configuration information.
Step S205: IAD by neighboring BS information request forward to base station C.
Step S206: the base station configuration information of this BS is sent to base station A by IAD by base station C, its PhyModeID support 5M bandwidth mode and 10M bandwidth mode.
Step S207: the base station configuration information of base station C is forwarded to base station A by IAD, base station A preserves this base station configuration information.
The reciprocal process that above base station A obtains base station configuration information from multiple adjacent area BS such as base station B, base station C can be carried out simultaneously.
Step S208:MS initiates adjacent area handover request to base station A, carries the signal strength information of base station B and base station C simultaneously.
Step S209: base station A according to the base station configuration information of base station B and base station C, in conjunction with the adjacent area switching mode of its signal strength information judgement MS, in present embodiment, although the signal strength information of base station B is slightly better than base station C, but base station B cannot support 10M bandwidth mode, therefore selection base station C is the target switching BS of MS, and court verdict is sent to MS by idle message by base station A.
Step S210:MS, according to the court verdict received, initiates handover request to base station C.
If adopt existing technical scheme, when MS proposes handover request directly to base station B, access failure may be caused because base station B cannot support 10M bandwidth mode; And the adjacent area switching mode that present embodiment utilizes the base station configuration information of adjacent area BS, judgement is suitable for MS, therefore effectively improve the success rate of access.
As shown in Figure 3, a kind of system realizing adjacent area message arrangement based on WIMAX of the present invention comprises service side BS 10, IAD 20 and at least one adjacent area BS 30, and the structure of each adjacent area BS 30 can be identical with service side BS 10.
Wherein serve side BS 10 and comprise data obtaining module 11, memory module 12, handover trigger module 14, switch decision module 13 and information providing module 15.
Data obtaining module 11, for by the information control unit 21 in IAD 20, obtains the base station configuration information of adjacent area BS 30, and the base station configuration information of the adjacent area BS 30 of acquisition is sent to memory module 12 from least one adjacent area BS 30.
Obtain manner comprises multiple, and such as serve side BS 10 when system initialization, data obtaining module 11 sends neighboring BS information request to adjacent area BS 30, and receives the base station configuration information that adjacent area BS 30 returns according to neighboring BS information request; Or when service side BS 10 is in normal course of operation, data obtaining module 11 timing sends neighboring BS information request to adjacent area BS 30, and receives the base station configuration information that adjacent area BS 30 returns according to neighboring BS information request; In another kind of execution mode, data obtaining module 11 also can receive adjacent area BS 30 when base station configuration information changes, initiatively to the base station configuration information of the adjacent area BS 30 after the change of service side BS 10 transmission.
Memory module 12 is for preserving the base station configuration information of the adjacent area BS 30 of data obtaining module 11 acquisition.Further, also the base station configuration information of adjacent area BS 30 is sent to by MOB_NBR-ADV broadcast all MS serving side BS 20 and manage.
Handover trigger module 14 switches for the adjacent area of triggering MS, and triggering mode also comprises multiple, and such as MS initiatively proposes handover request, and handover trigger module 14 receives this handover request; Or handover trigger module 14 sends handover request to MS where necessary, and receive the response message of this MS.Preferably, the signal strength information carrying each adjacent area BS 30 can also be comprised in the handover request of MS or response message.
When switch decision module 13 switches for the adjacent area of triggering MS when handover trigger module 14, according to the base station configuration information of the adjacent area BS 30 that memory module 12 is preserved, adjudicate the switching mode of this MS, and court verdict is sent to MS.Preferably, switch decision module 13 also can adjudicate the adjacent area switching mode of this MS with reference to the signal strength information of adjacent area BS 30.
Information providing module 15, for the request according to adjacent area BS 30, sends the base station configuration information of service side BS10 to adjacent area BS 30; Or when the base station configuration information of serving side BS 10 changes, initiatively send the base station configuration information of the service side BS 10 after change to adjacent area BS 30.Preferably, information providing module 15 adopts original radio resource management module, when radio resource management module sends neighboring BS information report to adjacent area BS 30, the base station configuration information of service side BS 10 is included in the message report of adjacent area and sends in the lump.
The present invention is based on the technical scheme that WIMAX realizes adjacent area message arrangement and achieve service side BS for the automatic configuration of neighbor base station information, not only increase allocative efficiency, and the communication failure avoiding input error and cause.Service side BS of the present invention utilizes the adjacent area switching mode of the base station configuration information judgement MS of adjacent area BS, can significantly improve the success rate that adjacent area switches, ensure wireless telecommunications quality.
Above content is in conjunction with concrete execution mode further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (11)
1. realize a method for adjacent area message arrangement based on WIMAX, it is characterized in that, comprise the following steps:
Service base station, side obtains the base station configuration information of described neighbor base station from least one neighbor base station by IAD, specifically comprise with under type: service base station, side is when system initialization, neighboring BS information request is sent to neighbor base station, and receive base station configuration information or service base station, side that described neighbor base station returns according to described neighboring BS information request in normal course of operation, timing sends neighboring BS information request to neighbor base station, and receives the base station configuration information that described neighbor base station returns according to described neighboring BS information request;
The base station configuration information of described neighbor base station is preserved in service base station, side.
2. the method for claim 1, is characterized in that, after the base station configuration information of described neighbor base station is preserved in service base station, side, further comprising the steps of:
The adjacent area of triggering wireless terminal switches;
The adjacent area switching mode of described wireless terminal, according to the base station configuration information of described neighbor base station, is adjudicated in service base station, side.
3. the method for claim 1, it is characterized in that, service base station, side also obtains the base station configuration information of described neighbor base station in the following ways from neighbor base station: when the base station configuration information of neighbor base station changes, and initiatively sends the base station configuration information of the neighbor base station after change to base station, described service side.
4. the method for claim 1, is characterized in that, service base station, side is when obtaining the base station configuration information of described neighbor base station, and described base station configuration information is included in during described neighbor base station reports to the neighboring BS information that base station, described service side sends.
5. the method according to any one of Claims 1-4, is characterized in that, described base station configuration information comprises at least one in synchronous code index, switching preference, physical layer modes, dispatch service support, switching type support, upstream subchannels mapping.
6. method as claimed in claim 2, is characterized in that, after the base station configuration information of described neighbor base station is preserved in service base station, side, also by broadcast, the base station configuration information of described neighbor base station is sent to described wireless terminal.
7. method as claimed in claim 2, it is characterized in that, the concrete mode that the adjacent area of triggering wireless terminal switches is: service base station, side receives the handover request of wireless terminal, or service base station, side is to the response message receiving described wireless terminal after described wireless terminal sends handover request.
8. method as claimed in claim 7, it is characterized in that, the handover request of described wireless terminal or response message also carry the signal strength information of described neighbor base station; The adjacent area switching mode of described wireless terminal, also with reference to the signal strength information of described neighbor base station, is adjudicated in service base station, side.
9. realize a base station, service side for adjacent area message arrangement based on WIMAX, it is characterized in that, comprise information providing module, data obtaining module and memory module;
Information providing module is used for the request according to neighbor base station, sends the base station configuration information of base station, described service side to described neighbor base station;
Data obtaining module is used for the base station configuration information being obtained described neighbor base station by IAD from least one neighbor base station, and the base station configuration information of described neighbor base station is sent to described memory module;
Memory module is for preserving the base station configuration information of described neighbor base station.
10. service base station, side as claimed in claim 9, is characterized in that, also comprise handover trigger module and switch decision module;
Handover trigger module switches for the adjacent area of triggering wireless terminal;
Switch decision module is used for, when the adjacent area that described handover trigger module triggers described wireless terminal switches, according to the base station configuration information of the neighbor base station that described memory module is preserved, adjudicating the switching mode of described wireless terminal.
11. serve base station, side as claimed in claim 9, it is characterized in that, when information providing module is also for changing when the base station configuration information of serving base station, side, initiatively send the base station configuration information of the base station, service side after described change to described neighbor base station.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010205278.4A CN102300185B (en) | 2010-06-22 | 2010-06-22 | Worldwide interoperability for microwave access (WIMAX)-based neighbor cell message configuration method and base station |
| PCT/CN2010/079081 WO2011160391A1 (en) | 2010-06-22 | 2010-11-24 | Method and base station for performing neighboring cell message configuration based on worldwide interoperability for microwave access (wimax) |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010205278.4A CN102300185B (en) | 2010-06-22 | 2010-06-22 | Worldwide interoperability for microwave access (WIMAX)-based neighbor cell message configuration method and base station |
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| Publication Number | Publication Date |
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| CN102300185A CN102300185A (en) | 2011-12-28 |
| CN102300185B true CN102300185B (en) | 2015-04-01 |
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| CN201010205278.4A Expired - Fee Related CN102300185B (en) | 2010-06-22 | 2010-06-22 | Worldwide interoperability for microwave access (WIMAX)-based neighbor cell message configuration method and base station |
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| WO (1) | WO2011160391A1 (en) |
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| CN108810920B (en) | 2017-04-28 | 2021-01-15 | 中国移动通信有限公司研究院 | Measurement parameter configuration method and device |
| US10736063B2 (en) * | 2017-06-27 | 2020-08-04 | Qualcomm Incorporated | Neighbor cell synchronization signal block index determination |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006089456A1 (en) * | 2005-02-23 | 2006-08-31 | Zte Corporation | A method of mobile terminal autonomous handoff |
| CN101052195A (en) * | 2006-04-03 | 2007-10-10 | 中兴通讯股份有限公司 | Adjacent zone configuration and optimizing device and configuration and optimizing method |
| CN101516116A (en) * | 2009-03-19 | 2009-08-26 | 上海华为技术有限公司 | Switching method, device and communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101064860B (en) * | 2006-04-29 | 2012-04-11 | 中兴通讯股份有限公司 | Method for automatic configuring wireless parameter of cellular mobile communication system |
| CN100417255C (en) * | 2006-04-30 | 2008-09-03 | 中兴通讯股份有限公司 | Method for obtaining neighbor base station information to realize self-adoptive group network |
| KR100973427B1 (en) * | 2007-06-29 | 2010-08-02 | 삼성전자주식회사 | Apparatus and method for supporting handover between home cell and macro cell in wireless communication system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006089456A1 (en) * | 2005-02-23 | 2006-08-31 | Zte Corporation | A method of mobile terminal autonomous handoff |
| CN101052195A (en) * | 2006-04-03 | 2007-10-10 | 中兴通讯股份有限公司 | Adjacent zone configuration and optimizing device and configuration and optimizing method |
| CN101516116A (en) * | 2009-03-19 | 2009-08-26 | 上海华为技术有限公司 | Switching method, device and communication system |
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| WO2011160391A1 (en) | 2011-12-29 |
| CN102300185A (en) | 2011-12-28 |
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