CN100484295C - A dynamic distribution method for wireless channel - Google Patents
A dynamic distribution method for wireless channel Download PDFInfo
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- CN100484295C CN100484295C CNB2006101570991A CN200610157099A CN100484295C CN 100484295 C CN100484295 C CN 100484295C CN B2006101570991 A CNB2006101570991 A CN B2006101570991A CN 200610157099 A CN200610157099 A CN 200610157099A CN 100484295 C CN100484295 C CN 100484295C
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Abstract
The related 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; wherein the request contains business information code. This invention can improve access success rate and channel resource utility.
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 used as speech or the user data that is loaded with coding, Traffic Channel (the Traffic Channel that is used for Circuit Service under default setting, 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, the process that is the TCH channel as dynamic PDCH channel allocation is usually as follows: when dynamic PDCH channel is used for data service by PCU, if there is not idle TCH channel in the sub-district, then base station controller (Base Station Controller is hereinafter to be referred as BSC) will be asked for dynamic PDCH channel to the PCU application.As ask for successfully, then this dynamic PDCH channel is converted into the TCH channel.
This process of asking for generally includes:
Occurring new Circuit Service among the a.BSC inserts;
B.TCH channel resource anxiety, and packet data traffic is few, dynamically the PDCH channel can be taken over for use, and then BSC asks for dynamic PDCH channel to the PCU request of sending;
C.PCU judges this request, and responds;
D.PCU discharges dynamic PDCH channel, and BSC uses this channel switch for the TCH channel.
Because in the operation of reality, PCU judges and responds request needs the regular hour, this causes the dynamic PDCH channel switch of being asked for is can not in time be taken by current calling behind the TCH channel.If promptly PCU on once the request of asking for when responding, have new request to occur again, then the dynamic PDCH channel that discharges according to the last time request of asking for of PCU can be resultant by new request.
Simultaneously, because the TCH channel can be divided into traffic channel full rate (TCH/F) and half rate (TCH/H) again, both be loaded with respectively total speed be 22.8 and the information of 11.4Kbit/s (use half of TCH/F time slot that channel uses, just can obtain the TCH/H channel, the TCH/F channel can be changed mutually with the TCH/H channel).In the prior art, dynamically the PDCH channel only converts the TCH/F channel to, rather than to be converted to the TCH/F channel according to certain condition or current request still be the TCH/H channel.And BSC just can apply for asking for dynamic PDCH channel to PCU only under the relatively nervous situation of TCH channel resource.In order to save channel resource, at this moment BSC generally understands distribution T CH/H channel to calling out, and still the dynamic PDCH that gets from the PCU funiculus lateralis only can be converted to TCH/F, is unfavorable for the distribution of BSC Circuit Service channel.
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 base station system receiving circuit business or Packet data service calling triggering is asked for request, wherein comprises the corresponding Circuit Service of this request or the message code that Packet data service is called out of triggering in this request; When having spendable Dynamic Packet data traffic channels, base station system determines that according to this message code the Circuit Service of trigger request or Packet data service call out, to the Circuit Service or the described channel that uses of Packet data service call distribution of described definite trigger request.
The message code that described Circuit Service is called out is the call control block number that comprises the Circuit Service attribute, and the message code that affiliated Packet data service is called out is the gap information of Packet data service.
In the time can using channel to be assigned to the Circuit Service use, base station system is according to the type of used channel place frequency range characteristics that are assigned with and request content decision institute allocated channel.
Base station system can be traffic channel full rate or half rate with dynamic PDCH channel allocation.
Described base station system comprises base station controller (BSC) and packet control unit (PCU), and Circuit Service is called out by BSC triggering channel and asked for request, and Packet data service is called out by PCU triggering channel and asked for request.
When new Circuit Service calling access, and Traffic Channel (TCH) resource anxiety, the dynamic PDCH channel that uses during Packet data service is called out can be taken over for use, and then BSC asks for channel to the PCU request.
When new Packet data service calling access, and PDCH channel resource anxiety, the dynamic PDCH channel that uses during Circuit Service is called out can be taken over for use, and then PCU asks for channel to the BSC request.
Compared with prior art, the present invention distributes to the business of this trigger request by ask for the message code that adds the business of trigger request in the request at channel accordingly to realize the channel of asking for, and improves the success rate of service access.Simultaneously, the present invention has increased the channel resource utilance of base station system by distributing according to the characteristics of the carrier frequency at allotted channel place and the demand that triggers the channel request business.
Description of drawings
Fig. 1 is a kind of specific embodiment diagram of 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 comprises that the channel of base station system receiving circuit business or Packet data service triggering is asked for request, comprises the receiving circuit business of corresponding trigger request or the message code of Packet data service in the described request.When existence can be used channel, base station system was to the Circuit Service or the Packet data service allocated channel of trigger request.In the time can using channel to be assigned to the Circuit Service use, base station system is according to the type of allotted channel place frequency range characteristics and request content decision institute allocated channel.
The specific embodiment that is requested to be converted to the TCH channel below in conjunction with dynamic PDCH channel is done detailed description to the present invention.
Please refer to shown in Figure 1ly, have new calling to insert among the base station system BSC.Because dynamically the PDCH channel both can be used as the Packet data service use, can be used as Circuit Service again uses, therefore when TCH channel resource anxiety, and packet data traffic is few, when dynamically the PDCH channel can be taken over for use, BSC asks for dynamic PDCH channel to the PCU request of sending, to improve the channel resource utilance.PCU judges whether to discharge dynamic PDCH channel after receiving this request, and responds.
For the Circuit Service of realizing the request of can being triggered of newly assigned TCH channel obtains accordingly, BSC sends in the request particularly including triggering BSC asks for Call Control Block (Call Control Block, C B) number from the calling of dynamic PDCH channel to the PCU application.This CCB number corresponding with calling, and BSC can easily inquire the calling that triggers channel request by CCB number.It is the TCH channel that BSC asks for behind the channel dynamic PDCH channel switch, and the CCB numbering of returning according to PCU determines which calling has triggered the application of asking for dynamic PDCH channel simultaneously, and with the TCH channel allocation that is converted to this callings use.
Because BSC is only under the relatively nervous situation of Circuit Service channel resource, just can ask for dynamic PDCH channel to the PCU application, be further to save channel resource, the present invention distributes according to the characteristics of the carrier frequency at d/d dynamic PDCH channel place and the demand of sending channel request side.If the carrier frequency at d/d dynamic PDCH channel place is not supported the mutual conversion of TCH/F channel and TCH/H channel, perhaps trigger BSC asks for channel request from the calling of dynamic PDCH channel to PCU application and call out for only selecting full rate, then dynamic PDCH channel switch is the TCH/F channel.Otherwise, then be converted to the TCH/H channel.
Certainly, ask for to PCU with BSC that can to use channel to be used for Circuit Service corresponding, in PCU, there is new data service to produce, and PDCH channel resource anxiety, Circuit Service is few simultaneously, the dynamic PDCH channel that is used for Circuit Service can be by when requisition, and PCU also can ask for dynamic PDCH channel to the BSC request and be used for Packet data service.In the request of this correspondence, the application that PCU sends comprises the information such as time slot of the Packet data service that triggers this application, uses with can the be triggered Packet data service of this application of the dynamic PDCH channel of realizing being asked for.
The present invention distributes to the business of this trigger request by add the message code of the business of trigger request in request for allocation accordingly to realize the channel of asking for, and improves the success rate of service access.Simultaneously, the present invention has increased the channel resource utilance of base station system by distributing according to the characteristics of the carrier frequency at allotted channel place and the demand of sending channel request side.
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 (9)
1. the dynamic allocation method of a wireless channel is characterized in that, comprising:
Base station system receiving circuit business or Packet data service are called out the channel that triggers and are asked for request, comprise the corresponding Circuit Service of this request or the message code that Packet data service is called out of triggering in the described request;
When having spendable Dynamic Packet data traffic channels, base station system determines that according to this message code the Circuit Service of described trigger request or Packet data service call out, and will describedly use channel allocation to call out use for described definite Circuit Service or Packet data service.
2. the dynamic allocation method of wireless channel as claimed in claim 1, it is characterized in that: the message code that described Circuit Service is called out is the call control block number that comprises the Circuit Service attribute, and the message code that affiliated Packet data service is called out is the gap information of Packet data service.
3. as the dynamic allocation method of each described wireless channel of claim 1-2, it is characterized in that: described base station system comprises base station controller BSC and packet control unit PCU, Circuit Service is called out by BSC triggering channel and is asked for request, and Packet data service is called out by PCU triggering channel and asked for request.
4. the dynamic allocation method of wireless channel as claimed in claim 3, it is characterized in that: call out when new Circuit Service and insert, and Traffic Channel TCH resource anxiety, Packet data service is called out the dynamic PDCH channel that uses and can be taken over for use, and then BSC asks for channel to the PCU request.
5. the dynamic allocation method of wireless channel as claimed in claim 3, it is characterized in that: call out when new Packet data service and insert, and PDCH channel resource anxiety, the dynamic PDCH channel that uses during Circuit Service is called out can be taken over for use, and then PCU asks for channel to the BSC request.
6. the dynamic allocation method of a wireless channel, this method comprises
Base station system receiving circuit business or Packet data service are called out the channel that triggers and are asked for request, comprise the corresponding Circuit Service of this request or the message code that Packet data service is called out of triggering in this request;
When having spendable Dynamic Packet data traffic channels, base station system determines that according to the message code that comprises in this request the Circuit Service of trigger request or Packet data service call out, to the Circuit Service or the described channel that uses of Packet data service call distribution of described definite trigger request;
When using channel to be assigned to Circuit Service call out to use, base station system is according to the type of used channel place frequency range characteristics that are assigned with and request content decision institute allocated channel when described.
7. the dynamic allocation method of wireless channel as claimed in claim 6, it is characterized in that: base station system is traffic channel full rate or half rate with dynamic PDCH channel allocation.
8. as the dynamic allocation method of claim 6 or 7 described wireless channels, it is characterized in that: described base station system comprises base station controller BSC and packet control unit PCU, and Circuit Service is called out by the BSC triggering and asked for request to the channel of PCU.
9. the dynamic allocation method of wireless channel as claimed in claim 8, it is characterized in that: call out when new Circuit Service and insert, and Traffic Channel TCH resource anxiety, the dynamic PDCH channel that uses during Packet data service is called out can be taken over for use, and BSC asks for channel to the PCU request.
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| CNB2006101570991A CN100484295C (en) | 2006-11-27 | 2006-11-27 | A dynamic distribution method for wireless channel |
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| CNB2006101570991A CN100484295C (en) | 2006-11-27 | 2006-11-27 | A dynamic distribution method for wireless channel |
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| CN100484295C true CN100484295C (en) | 2009-04-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101212813B (en) * | 2007-12-25 | 2013-06-05 | 中兴通讯股份有限公司 | Dynamic radio channel management system and method |
| CN101330467B (en) * | 2008-07-25 | 2011-09-14 | 华为技术有限公司 | Method for distributing resource of microwave transmission, system and microwave main station |
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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: Super fusion Digital Technology Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |