CN102300185A - 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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- CN102300185A CN102300185A CN2010102052784A CN201010205278A CN102300185A CN 102300185 A CN102300185 A CN 102300185A CN 2010102052784 A CN2010102052784 A CN 2010102052784A CN 201010205278 A CN201010205278 A CN 201010205278A CN 102300185 A CN102300185 A CN 102300185A
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- 238000004891 communication Methods 0.000 abstract description 5
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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
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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, relate in particular to a kind of method and base station of inserting (Worldwide Interoperability for Microwave Access:WIMAX) realization adjacent area message arrangement based on worldwide interoperability for microwave.
Background technology
In the WIMAX system, when operation such as adjacent area switching is carried out at control wireless terminal (MS) in base station (Base Station:BS), usually need to consider multiple reference factor, the for example physical layer modes of adjacent area BS, subchannel behaviour in service etc., to ensure that MS at the communication quality that switches the adjacent area, realizes the load balancing between a plurality of BS simultaneously.
Yet each BS adopts manual type to realize the configuration of neighboring BS information in the WIMAX system at present, and not only operating efficiency is low, and may cause the adjacent area success rate for switching lower owing to reasons such as operate miss, operation delay.
Summary of the invention
The main technical problem to be solved in the present invention is, a kind of method and base station of realizing the adjacent area message arrangement based on WIMAX is provided, and can significantly improve allocative efficiency.
For solving the problems of the technologies described above, the invention provides a kind of method that realizes the adjacent area message arrangement based on WIMAX, may further comprise the steps:
Service side BS obtains the base station configuration information of described adjacent area BS from least one adjacent area BS by IAD;
The base station configuration information that service side BS preserves 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:
Switch the adjacent area of triggering wireless terminal;
Service side BS adjudicates the adjacent area switching mode of described wireless terminal according to the base station configuration information of the adjacent area BS that preserves.
Service side BS obtains the base station configuration information of adjacent area BS in the following ways from adjacent area BS:
BS is when system initialization for the service side, sends the 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;
Perhaps, BS is in normal course of operation for the service side, regularly sends the 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 changing to described service side BS.
In a kind of execution mode, when service side BS obtained the base station configuration information of described adjacent area BS, described base station configuration information was included in described adjacent area BS in the neighboring BS information report that described service side BS sends.
Described base station configuration information comprises the synchronous code index, switches preference, at least a in the physical layer modes, dispatch service support, switching type support, the mapping of up subchannel.
After service side BS preserves the base station configuration information of described adjacent area BS, also the base station configuration information of described adjacent area BS is sent to described wireless terminal by broadcast.
Preferably, the concrete mode that triggers the adjacent area switching of wireless terminal is: service side BS receives the handoff request of wireless terminal, perhaps serves side BS receives described wireless terminal after described wireless terminal sends handoff request response message.
The handoff request of described wireless terminal or response message also carry the signal strength information of described adjacent area BS; Service side BS adjudicates the adjacent area switching mode of described wireless terminal also with reference to the signal strength information of described adjacent area BS.
The present invention has also protected a kind of service side BS that realizes the adjacent area message arrangement based on WIMAX, comprises information acquisition module and memory module;
The information acquisition module is used for obtaining the base station configuration information of 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 used to preserve the base station configuration information of described adjacent area BS.
Further, also comprise handover trigger module and switch decision module;
The handover trigger module is used to trigger the adjacent area switching of described wireless terminal;
The switch decision module is used for when switch the adjacent area that described handover trigger module triggers described wireless terminal, and the base station configuration information of the adjacent area BS that preserves according to described memory module is adjudicated the switching mode of described wireless terminal.
Further, comprise that also information provides module, be used for request, send the base station configuration information of described service side BS to described adjacent area BS according to adjacent area BS; Perhaps when the base station configuration information of service side BS changes, the base station configuration information of the service side BS after described adjacent area BS sends described variation initiatively.
The invention has the beneficial effects as follows: the present invention is based on WIMAX and realize that the technical scheme of adjacent area message arrangement has realized the automatic configuration of service side group station for neighbor base station information, compare with the mode of human configuration, significantly improve allocative efficiency, and avoided input error and the communication failure that causes.
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 adjacent area success rate for switching, ensures the wireless telecommunications quality.
Description of drawings
Fig. 1 is an embodiment of the present invention realizes the adjacent area message arrangement based on WIMAX a method flow diagram;
Fig. 2 carries out the information interaction schematic diagram that switch the adjacent area for the another kind of embodiment MS of the present invention;
Fig. 3 realizes the system schematic of adjacent area message arrangement based on WIMAX for the another kind of embodiment of the present invention.
Embodiment
In conjunction with the accompanying drawings the present invention is described in further detail below by embodiment.
The invention discloses a kind of technical scheme that realizes the 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 of service side BS management need carry out the adjacent area switching, service side BS with the base station configuration information of adjacent area BS as the reference factor, thereby the adjacent area switching mode of judgement MS.
Please refer to Fig. 1, present embodiment is a kind of to realize that based on WIMAX the method for adjacent area message arrangement may further comprise the 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), in the ULAllocated subchannels bitmap information such as (up subchannel mappings) one or more, be used for reflecting that whether supporting a certain MS to switch to this BS carries out wireless telecommunications, perhaps be used for the base station and carry out other operation.
Concrete obtain manner comprises multiple, for example when serving side BS at system initialization, sends the neighboring BS information request to adjacent area BS, and receives the adjacent area BS base station configuration information that request is returned according to neighboring BS information.
Perhaps,, regularly send the neighboring BS information request, and receive the base station configuration information that adjacent area BS returns according to described neighboring BS information request to adjacent area BS when serving side BS in normal course of operation.
In the 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 changing to service side BS.
For the WIMAX system that a plurality of BS form, the adjacent area may take place and switch in MS between each BS, therefore serves the adjacent area BS of side BS as other sub-districts, and the base station configuration information of service side BS also can be provided to other adjacent areas BS by above-described mode.
At present, the RRM module of BS is used for being responsible for the mutual of information such as configuration information between the BS of adjacent area and resource utilization, the RRM module of each BS can send the adjacent area report message of message such as comprising description of up-downgoing channel and resource utilization to adjacent BS, help to realize the load balancing between BS, therefore, a kind of 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, promptly increased the content of existing neighboring BS information report, present embodiment is less to the change of existing WIMAX system.
IAD is by the transmission of information control unit realization base station configuration information, and for can not directly carrying out mutual BS, IAD also may be transmitted by the next stage IAD information of carrying out.
Step S102: the base station configuration information that service side BS preserves adjacent area BS.Then, service side BS also can send to all MS of service side BS management with the base station configuration information of adjacent area BS by the MOB_NBR-ADV broadcast, makes MS whether propose the adjacent area handoff request with reference to the base station configuration information decision of these adjacent areas BS.
Step S103: switch the adjacent area of triggering MS.
This step also can be accomplished in several ways, and when for example the signal strength signal intensity of MS judgement current service side BS is more weak, can initiatively propose handoff request to service side BS; Perhaps, send handoff request to MS where necessary, and receive the response message of MS when serving side BS according to load state.
Preferably, MS goes back the signal strength information of one or more adjacent area BS that portability obtains by the mode of signal scanning when proposing handoff request or response message, and service side BS receives and preserve the signal strength information of this adjacent area BS.
Step S104: service side BS adjudicates the adjacent area switching mode of MS according to the base station configuration information of the adjacent area BS that preserves, and the adjacent area switching mode comprises whether advising that MS switches, and perhaps selects the target adjacent area BS of switching etc.
Mode decision scheme can be set flexibly, for example serves side BS by more a plurality of adjacent area BSPhyModeID, selects the adjacent area BS with big bandwidth mode to switch BS as the target of MS.Preferably, side BS is when adjudicating in service, the signal strength information of each adjacent area BS that can provide with reference to MS also, thus draw rational court verdict, for example preferentially select the bigger adjacent area BS of signal strength signal intensity.
Step S105: the court verdict that service side BS will comprise the adjacent area switching mode is sent to MS, makes it carry out corresponding handover operation according to this court verdict.
As shown in Figure 2, for example when base station A as service side BS, base station B and base station C during as adjacent area BS, the information interaction flow process that MS carries out switching the adjacent area may further comprise the steps:
Step S201: base station A sends the neighboring BS information request by IAD to neighbor base station when system initialization.
Step S202: IAD is forwarded to base station B with the neighboring BS information request.
Step S203: base station B sends to base station A by IAD with the base station configuration information of this BS, and its PhyModeID only supports the 5M bandwidth mode.
Step S204: IAD is forwarded to base station A with the base station configuration information of base station B, and base station A preserves this base station configuration information.
Step S205: IAD is forwarded to base station C with the neighboring BS information request.
Step S206: base station C sends to base station A by IAD with the base station configuration information of this BS, and its PhyModeID supports 5M bandwidth mode and 10M bandwidth mode.
Step S207: IAD is forwarded to base station A with the base station configuration information of base station C, and base station A preserves this base station configuration information.
Above base station A can carry out simultaneously from the reciprocal process that a plurality of adjacent area BS such as base station B, base station C obtain base station configuration information.
Step S208:MS initiates the adjacent area handoff request to base station A, carries the signal strength information of base station B and base station C simultaneously.
Step S209: base station A is according to the base station configuration information of base station B and base station C, adjacent area switching mode in conjunction with its signal strength information judgement MS, in the present embodiment, though the signal strength information of base station B slightly is better than base station C, yet base station B can't support the 10M bandwidth mode, therefore selecting base station C is the target switching BS of MS, and base station A sends to MS by idle message with court verdict.
Step S210:MS initiates handoff request according to the court verdict that receives to base station C.
If the employing existing technical scheme, MS directly when base station B proposes handoff request, may cause access failure owing to base station B can't support the 10M bandwidth mode; And present embodiment is utilized the base station configuration information of adjacent area BS, the adjacent area switching mode that judgement is suitable for MS, has therefore effectively improved the success rate that inserts.
As shown in Figure 3, the present invention is a kind of to realize that based on WIMAX the system of adjacent area message arrangement 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 that information acquisition module 11, memory module 12, handover trigger module 14, switch decision module 13 and information provide module 15.
Information acquisition module 11 is used for the information control unit 21 by IAD 20, obtains the base station configuration information of adjacent area BS 30 from least one adjacent area BS 30, and the base station configuration information of the adjacent area BS 30 that obtains is sent to memory module 12.
Obtain manner comprises multiple, for example serves side BS 10 when system initialization, and information acquisition module 11 sends the neighboring BS information request to adjacent area BS 30, and receives adjacent area BS 30 base station configuration information that request is returned according to neighboring BS information; Perhaps when serving side BS 10 in normal course of operation, information acquisition module 11 regularly sends the neighboring BS information request to adjacent area BS 30, and receives adjacent area BS 30 base station configuration information that request is returned according to neighboring BS information; In the another kind of execution mode, information acquisition module 11 also can receive adjacent area BS 30 when base station configuration information changes, initiatively the base station configuration information of the adjacent area BS 30 after the variation that service side BS 10 sends.
Information provides module 15 to be used for request according to adjacent area BS 30, sends the base station configuration information of service side BS10 to adjacent area BS 30; Perhaps when the base station configuration information of service side BS 10 changes, initiatively send the base station configuration information of the service side BS 10 after changing to adjacent area BS 30.Preferably, information provides module 15 to adopt original RRM module, when the RRM module when adjacent area BS 30 sends the neighboring BS information report, the base station configuration information of service side BS 10 be included in the message report of adjacent area send in the lump.
The present invention is based on WIMAX and realize that the technical scheme of adjacent area message arrangement has realized the automatic configuration of service side BS for neighbor base station information, not only improved allocative efficiency, and avoided input error and the communication failure that causes.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 adjacent area success rate for switching, ensures the wireless telecommunications quality.
Above content be in conjunction with concrete execution mode to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (11)
1. the method based on WIMAX realization adjacent area message arrangement is characterized in that, may further comprise the steps:
Service side group station obtains the base station configuration information of described neighbor base station from least one neighbor base station by IAD;
The base station configuration information that described neighbor base station is preserved at service side group station.
2. the method for claim 1 is characterized in that, and is after the base station configuration information of described neighbor base station is preserved at service side group station, further comprising the steps of:
Switch the adjacent area of triggering wireless terminal;
The adjacent area switching mode of described wireless terminal is adjudicated according to the base station configuration information of described neighbor base station in service side group station.
3. the method for claim 1 is characterized in that, service side group station obtains the base station configuration information of described neighbor base station in the following ways from neighbor base station:
When the service side group stands in system initialization, send the neighboring BS information request to neighbor base station, and receive the base station configuration information that described neighbor base station returns according to described neighboring BS information request;
Perhaps, the service side group stands in the normal course of operation, regularly sends the 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;
When the base station configuration information of neighbor base station changes, initiatively send the base station configuration information of the neighbor base station after changing to described service side group station.
4. the method for claim 1 is characterized in that, when service side group station obtained the base station configuration information of described neighbor base station, described base station configuration information was included in described neighbor base station in the neighboring BS information report that described service side group station sends.
5. as each described method in the claim 1 to 4, it is characterized in that described base station configuration information comprises the synchronous code index, switches preference, at least a in the physical layer modes, dispatch service support, switching type support, the mapping of up subchannel.
6. as each described method in the claim 1 to 4, it is characterized in that, after the base station configuration information of described neighbor base station is preserved at service side group station, also the base station configuration information of described neighbor base station is sent to described wireless terminal by broadcast.
7. method as claimed in claim 2, it is characterized in that, the concrete mode that triggers the adjacent area switching of wireless terminal is: service side group station receives the handoff request of wireless terminal, perhaps serves the side group station receives described wireless terminal after described wireless terminal sends handoff request response message.
8. method as claimed in claim 7 is characterized in that the handoff 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 is adjudicated also with reference to the signal strength information of described neighbor base station in service side group station.
9. a service side group station of realizing the adjacent area message arrangement based on WIMAX is characterized in that, comprises information acquisition module and memory module;
The information acquisition module is used for obtaining the base station configuration information of 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 used to preserve the base station configuration information of described neighbor base station.
10. service side group as claimed in claim 9 station is characterized in that, also comprises handover trigger module and switch decision module;
The handover trigger module is used to trigger the adjacent area switching of described wireless terminal;
The switch decision module is used for when switch the adjacent area that described handover trigger module triggers described wireless terminal, and the base station configuration information of the neighbor base station of preserving according to described memory module is adjudicated the switching mode of described wireless terminal.
11. service side group as claimed in claim 9 station is characterized in that, comprises that also information provides module, is used for the request according to neighbor base station, sends the base station configuration information at described service side group station to described neighbor base station; Perhaps when the base station configuration information at service side group station changes, the base station configuration information at the service side group station after described neighbor base station sends described variation initiatively.
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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| CN102300185A true CN102300185A (en) | 2011-12-28 |
| CN102300185B CN102300185B (en) | 2015-04-01 |
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| WO (1) | WO2011160391A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108810920A (en) * | 2017-04-28 | 2018-11-13 | ***通信有限公司研究院 | A kind of configuration method and device of measurement parameter |
| CN110800346A (en) * | 2017-06-27 | 2020-02-14 | 高通股份有限公司 | Neighbor cell synchronization signal block index determination |
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| 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 |
| US20090005099A1 (en) * | 2007-06-29 | 2009-01-01 | Samsung Electronics Co., Ltd. | Apparatus and method for supporting handover between home cell and macro cell in wireless communication system |
| 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 |
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| 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 |
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2010
- 2010-06-22 CN CN201010205278.4A patent/CN102300185B/en not_active Expired - Fee Related
- 2010-11-24 WO PCT/CN2010/079081 patent/WO2011160391A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| US20090005099A1 (en) * | 2007-06-29 | 2009-01-01 | Samsung Electronics Co., Ltd. | Apparatus and method for supporting handover between home cell and macro cell in wireless communication system |
| CN101516116A (en) * | 2009-03-19 | 2009-08-26 | 上海华为技术有限公司 | Switching method, device and communication system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108810920A (en) * | 2017-04-28 | 2018-11-13 | ***通信有限公司研究院 | A kind of configuration method and device of measurement parameter |
| US11330481B2 (en) | 2017-04-28 | 2022-05-10 | China Mobile Communication Co., Ltd Research Institute | Method and device for configuring measurement parameter |
| CN110800346A (en) * | 2017-06-27 | 2020-02-14 | 高通股份有限公司 | Neighbor cell synchronization signal block index determination |
| CN110800346B (en) * | 2017-06-27 | 2021-10-08 | 高通股份有限公司 | Neighbor cell synchronization signal block index determination |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102300185B (en) | 2015-04-01 |
| WO2011160391A1 (en) | 2011-12-29 |
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