CN100525494C - A dynamic distribution method for wireless channel - Google Patents
A dynamic distribution method for wireless channel Download PDFInfo
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- CN100525494C CN100525494C CNB2006101570987A CN200610157098A CN100525494C CN 100525494 C CN100525494 C CN 100525494C CN B2006101570987 A CNB2006101570987 A CN B2006101570987A CN 200610157098 A CN200610157098 A CN 200610157098A CN 100525494 C CN100525494 C CN 100525494C
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Abstract
The presented dynamic allocation method for wireless channel comprises: BSS (base station system) receives channel request triggered by circuit business or grouping data business, and allocates channel when there is available resource; when the request contains PRI code, the BSS can force releasing channel for allocation. This invention can ensure business running with high PRI.
Description
Technical field
The present invention relates to a kind of dynamic allocation method of wireless channel, refer to that especially a kind of is the method for Packet Data Channel or Traffic Channel with the wireless channel dynamic assignment.
Background technology
In wireless communication system, the Packet Data Channel (Packet Data Channel is hereinafter to be referred as PDCH) that is used for data service can be divided into static PDCH channel and dynamic PDCH channel.Static PDCH channel can only use for packet control unit (Packet Control Unit is hereinafter to be referred as PCU) provides Packet Service.Dynamically the PDCH channel is after initialization is finished in the sub-district, by acquiescence as the speech or the user data that are loaded with coding, be used for Traffic Channel (the Traffic Channel of Circuit Service, hereinafter to be referred as TCH) use, when the Packet data service demand being arranged and do not have voice demand, can convert the PDCH channel to again.
Present method for channel allocation, as the TCH channel allocation is that the process of dynamic PDCH channel is usually as follows: when cell group data channel resource anxiety, be that static PDCH channel is not enough, and dynamically the PDCH channel is by base station controller (Base Station Controller, hereinafter to be referred as BSC) when being used for speech business, PCU will recover dynamic PDCH channel to the BSC application.
This process of asking for generally includes:
Occurring new Packet data service among the a.PCU inserts;
B. static PDCH channel resource anxiety, then PCU recovers dynamic PDCH channel and is used for Packet data service to the BSC request of sending;
C.BSC judges this request, and responds.
Wherein, in step c, as requested channel idle, then BSC discharges this dynamic PDCH channel that is used for Circuit Service to PCU as Packet Service; Taken by calling at present as this channel, then the request of BSC refusal PCU.
Yet in real life, such a case usually occurs: although dynamically the PDCH channel is just taken by calling, the TCH channel resource of this moment is but very abundant; And in contrast be, be used for the static PDCH channel resource anxiety of Packet data service, the request of the dynamic PDCH channel of release that sends to BSC is rejected, some more important Packet data services can not get response, the utilization of channel resource is very unreasonable.
In view of the foregoing, the present invention proposes a kind of new wireless channel dynamic allocation method.
Summary of the invention
The object of the present invention is to provide a kind of dynamic allocation method of wireless channel, insert success rate with channel resource utilance and the calling that increases base station system.
The object of the invention is achieved through the following technical solutions: a kind of dynamic allocation method of wireless channel, the channel that comprises the triggering of base station system receiving circuit business or Packet data service is asked for request, in the time can using channel to be used to Packet data service or Circuit Service, base station system is to the Packet data service allocated channel of trigger request, when dynamic PDCH channel was taken by Circuit Service, base station system attempted this Circuit Service is switched to other channels in the sub-district; When professional handover success, the base station is given requested dynamic PDCH channel allocation and is triggered the Packet data service that channel is asked for request; When the business switching is unsuccessful, if when comprising the preferential message code of corresponding Circuit Service that triggers this request or Packet data service in the described request, base station system discharges requested dynamic PDCH channel by force, and this channel allocation is given the Packet data service of this request of triggering.
Current channel resource anxiety, and exist in other channel resources in the time of can being converted into the used channel of current channel, base station system is sent channel and is asked for request.
The described channel that uses is dynamic PDCH channel.
When dynamic PDCH channel idle, base station system is directly given this channel allocation and is triggered the Packet data service that this channel is asked for request.
Described base station system comprises base station controller BSC and packet control unit PCU, and Circuit Service triggers channel by BSC and asks for request, and Packet data service triggers channel by PCU and asks for request.
When new Circuit Service access, and Traffic Channel TCH resource anxiety, Packet data service has been used dynamic PDCH channel, and then BSC asks for channel to the PCU request.
When new Packet data service access, and PDCH channel resource anxiety has been used dynamic PDCH channel in the Circuit Service, and then PCU asks for channel to the BSC request.
A kind of dynamic allocation method of wireless channel, the channel that comprises the triggering of base station system receiving circuit business or Packet data service is asked for request, in the time can using channel to be used to Packet data service or Circuit Service, base station system is to the Circuit Service allocated channel of trigger request, it is characterized in that: when dynamic PDCH channel was grouped data service and takies, base station system attempted this Packet data service is switched to other channels in the sub-district; When professional handover success, base station system asks for the Circuit Service of request for the triggering channel requested dynamic PDCH channel allocation; When business is switched when unsuccessful, if when comprising the preferential message code of the corresponding Circuit Service that triggers this request in the described request, base station system discharges requested channel by force, and this channel allocation is given the Circuit Service of this request of triggering.
Compared with prior art, the message code of the service priority of the present invention by adding the expression trigger request in request for allocation has guaranteed that high-priority service carries out smoothly, has improved the success rate of service access.
Description of drawings
Fig. 1 is the embodiment diagram that Packet data service is used for dynamic PDCH channel allocation in the dynamic allocation method of a kind of wireless channel of the present invention.
Embodiment
The dynamic allocation method of a kind of wireless channel of the present invention, the channel that comprises the triggering of base station system receiving circuit business or Packet data service is asked for request, when existence can be used channel, base station system is to the Circuit Service or the Packet data service allocated channel of trigger request, when comprising the preferential message code of corresponding Circuit Service that triggers this request or Packet data service in the described request, base station system can discharge the channel of being asked by force.
Be requested to be converted to the specific embodiment that is used for the Packet data service use below in conjunction with the dynamic PDCH channel that is used for Circuit Service, the present invention is done detailed description.
Please refer to shown in Figure 1ly, have new Packet data service to insert among the base station system PCU.Because dynamically the PDCH channel both can be used as the Packet data service use, can be used as Circuit Service again uses, and dynamically the PDCH channel is after initialization is finished in the sub-district, used as the TCH channel by acquiescence, therefore when static PDCH channel resource is nervous, PCU sends request to BSC, requires to recover dynamic PDCH channel.BSC receives and has at first judged whether that dynamic PDCH channel allocation uses to BSC after this request.If not then directly refuse this request.When BSC found to exist dynamic PDCH channel to be used for Circuit Service, then to requested dynamic PDCH channel, and the Packet data service of issue request was judged whether discharge dynamic PDCH channel with decision.
When being used for the dynamic PDCH channel idle of Circuit Service, BSC directly discharges this channel, and distributes to PCU and use.When this dynamic PDCH channel that is used for Circuit Service was just being taken by calling, other Traffic Channels that BSC attempts calling is switched in the sub-district got on.If handover success, then this dynamic PDCH channel is assigned to PCU.
In order to improve the success rate that PCU applies for dynamic PDCH channel, in the request that PCU sent particularly including the state information of Packet data service.This state information can be used for representing the priority level of the Packet data service of the request of sending.Therefore, when switch call was failed, BSC checked the state information of the Packet data service of the request of sending, and represented that as state information Packet Service is preferential, and then call release also uses this channel allocation to PCU by force.If handoff failure and state information represent that non-packet services is preferential, then refuse the application of PCU, do not distribute this channel to use to PCU.
Certainly, ask for to BSC with PCU that can to use channel to be used for Packet data service corresponding, in BSC, have new Circuit Service to produce, and TCH channel resource anxiety, when dynamically the PDCH channel can be taken over for use simultaneously, BSC also can ask for dynamic PDCH channel to the PCU request and be used for Circuit Service.In the request of this correspondence, comprise the priority state of the Circuit Service that triggers this request in the request that BSC sends.
The present invention has guaranteed carrying out smoothly of high-priority service by add the message code of the service priority of representing trigger request in request for allocation, has improved the success rate of service access.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the dynamic allocation method of a wireless channel, the channel that comprises the triggering of base station system receiving circuit business or Packet data service is asked for request, in the time can using channel to be used to Packet data service or Circuit Service, base station system is to the Packet data service allocated channel of trigger request, it is characterized in that: when dynamic PDCH channel was taken by Circuit Service, base station system attempted this Circuit Service is switched to other channels in the sub-district;
When professional handover success, base station system is given requested dynamic PDCH channel allocation and is triggered the Packet data service that channel is asked for request;
When the business switching is unsuccessful, if when comprising the preferential message code of the corresponding Packet data service that triggers this request in the described request, base station system discharges requested dynamic PDCH channel by force, and this channel allocation is given the Packet data service of this request of triggering.
2. the dynamic allocation method of wireless channel as claimed in claim 1 is characterized in that: current channel resource anxiety, and exist in other channel resources in the time of can being converted into the used channel of current channel, base station system is sent channel and is asked for request.
3. the dynamic allocation method of wireless channel as claimed in claim 1, it is characterized in that: the described channel that uses is dynamic PDCH channel.
4. the dynamic allocation method of wireless channel as claimed in claim 3 is characterized in that: when dynamic PDCH channel idle, base station system is directly given this channel allocation and is triggered the Packet data service that this channel is asked for request.
5. as the dynamic allocation method of each described wireless channel of claim 1-4, it is characterized in that: described base station system comprises base station controller BSC and packet control unit PCU, Circuit Service triggers channel by BSC and asks for request, and Packet data service triggers channel by PCU and asks for request.
The dynamic allocation method of 6 wireless channels as claimed in claim 5 is characterized in that: when new Circuit Service access, and Traffic Channel TCH resource anxiety, Packet data service has been used dynamic PDCH channel, and then BSC asks for channel to the PCU request.
7. the dynamic allocation method of wireless channel as claimed in claim 5 is characterized in that: when new Packet data service inserts, and PDCH channel resource anxiety has been used dynamic PDCH channel in the Circuit Service, and then PCU asks for channel to the BSC request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101570987A CN100525494C (en) | 2006-11-27 | 2006-11-27 | A dynamic distribution method for wireless channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101570987A CN100525494C (en) | 2006-11-27 | 2006-11-27 | A dynamic distribution method for wireless channel |
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| CN1964549A CN1964549A (en) | 2007-05-16 |
| CN100525494C true CN100525494C (en) | 2009-08-05 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102651896B (en) * | 2011-02-23 | 2016-02-10 | 中兴通讯股份有限公司 | A kind of packet switched channels automatic expansion method and apparatus |
| CN103857043A (en) * | 2012-11-30 | 2014-06-11 | 中国移动通信集团浙江有限公司 | Data channel resource distribution method and device |
| CN105578603A (en) * | 2014-10-17 | 2016-05-11 | 中国移动通信集团浙江有限公司 | Data service assigning method and device |
| WO2017132988A1 (en) * | 2016-02-05 | 2017-08-10 | 华为技术有限公司 | Signal sending method and device |
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Effective date of registration: 20211222 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: xFusion Digital Technologies Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |