CN102111823B - A kind of system of selection of radio configuration and device - Google Patents
A kind of system of selection of radio configuration and device Download PDFInfo
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- CN102111823B CN102111823B CN201110045774.2A CN201110045774A CN102111823B CN 102111823 B CN102111823 B CN 102111823B CN 201110045774 A CN201110045774 A CN 201110045774A CN 102111823 B CN102111823 B CN 102111823B
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- radio configuration
- configuration set
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Abstract
The invention provides a kind of system of selection of radio configuration, the method comprises, and determines the front reverse radio configuration set of call matches; Determine the front reverse radio configuration RC set that base station is supported; Before described coupling, before reverse radio configuration set and described support, oppositely radio configuration intersection of sets is concentrated and is selected specific wireless configuration to carry out this calling.Present invention also offers a kind of choice device of radio configuration.Apply technical scheme of the present invention, for the optimum radio configuration that terminal distribution can use under the present circumstances, greatly enhance the capacity of system and reduce interference, also improve IS-95 terminal at CDMA2000 simultaneously? call successful rate in 1X system.
Description
Technical field
The present invention relates to wireless communication field, especially, relate to the system of selection of radio configuration in cdma wireless communication system.
Background technology
Radio configuration (RadioConfiguration, be called for short RC) be the set of a series of forward direction of being identified as transmission rate, modulation system and spreading factor etc. by physical layer parameter or reverse traffic channel, be the important difference of CDMA2000 system and IS-95 system.
Forward direction radio configuration (ForwardRadioConfiguration, Fwd-RC) has 12 kinds: 1 ~ 12.Reverse radio configuration (ReverseRadioConfiguration, Rev-RC) has 8 kinds: 1 ~ 8.Forward direction RC1, RC2, and oppositely RC1, RC2 distribute to IS-95; Forward direction RC3, RC4, RC5 distribute to CDMA20001X, and forward direction RC11, RC12 distribute to CDMA20001X-Enhanced; Forward direction RC6 to RC9 distributes to CDMA20003X.Reverse RC3, RC4 distribute to CDMA20001X, and RC8 distributes to CDMA20001X-Enhanced; RC5, RC6 distribute to CDMA20003X.Wherein CDMA20001X-Enhanced belongs to CDMA20001X system.
The radio configuration RC that each system uses is different, and therefore the capacity of each system is not identical yet.If for transmitting speech business, the total capacity of CDMA20001X system is 2 times of IS-95 system; If data services, the overall system capacity of CDMA20001X is 3.2 times of IS-95 system.And CDMA20001X-Enhanced compares to CDMA20001X, forward-link capacity improves 65%, and reverse capacity improves 25%.
CDMA20001X system can support 1X terminal and IS-95 terminal simultaneously.Although the RC of high-order can the RC of backward compatible low order, the RC being assigned to low order can waste system resource, and reduces speech quality; And the RC of low order cannot be upward-compatible, be the RC that it distributes high-order, will call failure be caused.Therefore, need in a cdma system, a kind of method reliably reasonably selecting radio configuration RC is provided.
A kind of allocative decision of current existence, according to power and the walsh codes resources of the current use in community, dynamic assignment between RC3 and RC4, but there is following shortcoming in the program:
(1) suppose that in CDMA20001X system, all terminals all can support RC3 and RC4.For the terminal can only supporting low order radio configuration, distribute RC3 and RC4 and will cause call failure, the terminal of such as IS-95; For the terminal can supporting more high-order radio configuration, the waste of resource will be caused.
(2) program does not consider that the Channel Elements resource of system and frame are biased resource when changing, and RC arranges and can not change accordingly, reasonably cannot utilize system resource, cause waste or the call failure of resource.
(3) program does not consider the requirement of type of call for radio configuration.
Summary of the invention
In view of the above problems, the technical problem that the present invention solves there is provided a kind of system of selection of radio configuration, and the method, based on dynamic configuration, more reasonably can utilize system resource, makes power system capacity obtain maximized use.
The system of selection of a kind of radio configuration provided by the invention comprises,
Determine the front reverse radio configuration set of call matches;
Determine the front reverse radio configuration RC set that base station is supported;
Before described coupling, before reverse radio configuration set and described support, oppositely radio configuration intersection of sets is concentrated and is selected specific wireless configuration to carry out this calling.
Further, described determine the front reverse radio configuration set that base station is supported before, described method also comprises,
Select the strongest community of pilot frequency intensity, select resource can with and the lightest carrier frequency of load.
In said method, wherein, determine that the front reverse radio configuration set of call matches is specially:
Reverse radio configuration set before determining this call matches according to the radio configuration list of user terminal support;
According to type of call determination business option, and reverse radio configuration set before upgrading described coupling according to business option.
In above-mentioned method, wherein, the described front reverse radio configuration set determining that base station is supported is specially,
The behaviour in service of the Current resource of statistics call setup contained fan, and reverse radio configuration set before determining base station support according to the behaviour in service of described Current resource.
In said method, wherein, described Current resource comprises,
Channel Elements, walsh codes resources and frame are biased.
In said method, wherein, the described behaviour in service according to described Current resource determine base station support before oppositely radio configuration set be specially,
Be biased according to described Channel Elements, walsh codes resources and frame and draw corresponding radio configuration set, reverse radio configuration set before being base station support that the radio configuration of the described correspondence drawn is occured simultaneously.
In said method, wherein, described selection specific wireless is configured to select the optimum radio configuration under specific criteria.
The present invention also provides a kind of choice device of radio configuration, and described device comprises,
First processing module, for determining oppositely radio configuration set before call matches;
Second processing module, determines the front reverse radio configuration RC set that base station is supported;
Select module, concentrate for radio configuration intersection of sets reverse before reverse radio configuration set before described coupling and described support and select specific wireless configuration to carry out this calling.
Above-mentioned device, wherein,
Described second processing module also for selecting the community that pilot frequency intensity is the strongest, and select resource can with and the lightest carrier frequency of load.
Above-mentioned device, wherein, described first processing module for before determining call matches oppositely radio configuration set be specially,
For determining oppositely radio configuration set before this call matches according to the radio configuration list of user terminal support; And
For according to type of call determination business option, and upgrade oppositely radio configuration set before described coupling according to business option.
Above-mentioned device, wherein, described second processing module for before determining base station and supporting oppositely radio configuration set be specially,
Corresponding radio configuration set is drawn, reverse radio configuration set before being base station support of the radio configuration of the described correspondence drawn being occured simultaneously for being biased according to Channel Elements, walsh codes resources and frame.
Compared with prior art, adopt technical scheme of the present invention, take into full account that the optimal wireless that in the radio configuration that terminal self is supported and CDMA20001X system, base station can provide configures, be always the optimum radio configuration that terminal distribution can use under the present circumstances, greatly enhance the capacity of system and reduce interference, also improving the call successful rate of IS-95 terminal in CDMA20001X system simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is first embodiment of the invention flow chart;
Fig. 2 is second embodiment of the invention structure chart.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, be first embodiment of the invention flow chart, this embodiment offers a kind of system of selection of radio configuration, comprise the following steps:
Step S101, user terminal makes a call or switches;
Step S102, determines the front reverse radio configuration set RC_SelectSet of this call matches according to the radio configuration list (RC_MAP) of user terminal support;
Particularly, the radio configuration list (RC_MAP) supported according to user terminal determines that the front reverse radio configuration RC that this calling can be selected gathers RC_SelectSet;
Step S103, according to type of call determination business option, and reverse radio configuration set before upgrading described coupling according to business option;
Particularly, according to type of call determination business option, and according to business option again upgrade can select before oppositely radio configuration RC gather RC_SelectSet;
Step S104, selects the strongest community of pilot frequency intensity, select resource can with and the lightest carrier frequency of load;
Step S105, the service condition of the Current resource of statistics call setup contained fan, comprises Channel Elements (ChannelElement, CE), walsh codes resources (WalshCode) and frame biased (FrameOffset, FO);
Step S106, before determining base station support according to above-mentioned three class resources, oppositely radio configuration RC gathers RC_SuppoertSet;
Particularly, the radio configuration intersection of sets collection drawn by above-mentioned three class resources is reverse radio configuration RC set RC_SuppoertSet before being base station support;
Step S107, before described coupling, before reverse radio configuration set and described support, oppositely radio configuration intersection of sets is concentrated and is selected specific wireless configuration to carry out this calling.
Particularly, in the common factor of RC_SelectSet and RC_SuppoertSet, select the RC of the optimum under various criterion to carry out this calling, such as, to choose under present rate collection most High Order RC as optimum RC.
In the above-described embodiments, the radio configuration set that business options different in step S103 is supported, concrete corresponding relation is in table 1.
The corresponding relation of table 1 business option and radio configuration
The radio configuration set that in step S05, often kind of resource is supported, comprising:
Channel Elements (ChannelElement, CE), different Channel Elementss supports different radio configuration, and concrete corresponding relation is in table 2.
The corresponding relation of table 2 Channel Elements and radio configuration
Walsh codes resources (WalshCode), the walsh codes resources of same order does not support different radio configuration.Concrete corresponding relation is in table 3
The corresponding relation of table 3 walsh code money and radio configuration
Frame is biased (FrameOffset, FO), and the frame only having radio configuration corresponding is biased resource and enough supports that the frame that this calling needs is biased, and can use this radio configuration.
As shown in Figure 2, be second embodiment of the invention structure chart, this embodiment offers a kind of choice device of radio configuration, described device comprises,
First processing module, for before determining coupling according to the radio configuration list of user terminal support and type of call oppositely radio configuration RC gather RC_SelectSet;
Particularly, the front reverse radio configuration set of this call matches is determined in radio configuration list (RC_MAP) for supporting according to user terminal, that is to say that the radio configuration list (RC_MAP) supported according to user terminal determines that the front reverse radio configuration RC that this calling can be selected gathers RC_SelectSet; And
For according to type of call determination business option, and reverse radio configuration set before upgrading described coupling according to business option, that is to say according to type of call determination business option, and according to business option again upgrade can select before oppositely radio configuration RC gather RC_SelectSet; .
Second processing module, for adding up the behaviour in service of the Current resource of call setup contained fan, and before determining base station support according to the behaviour in service of described Current resource, reverse radio configuration RC gathers RC_SuppoertSet;
Particularly, draw corresponding radio configuration set for being biased according to Channel Elements, walsh codes resources and frame, occur simultaneously the radio configuration of the described correspondence drawn reverse radio configuration set RC_SuppoertSet before being base station support;
Second processing module also for selecting the community that pilot frequency intensity is the strongest, and select resource can with and the lightest carrier frequency of load.
Select module, concentrate for radio configuration intersection of sets reverse before reverse radio configuration set before described coupling and described support and select specific wireless configuration to carry out this calling;
Described selection specific wireless is configured to select the optimum radio configuration under specific criteria, as chosen under present rate collection most High Order RC as optimum RC.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection range of claims of the present invention.
Claims (9)
1. a system of selection for radio configuration, is characterized in that, described method comprises,
Determine the front reverse radio configuration set of call matches;
Determine the front reverse radio configuration set that base station is supported;
Before described coupling, before reverse radio configuration set and described support, oppositely radio configuration intersection of sets is concentrated and is selected specific wireless configuration to carry out this calling;
Wherein, determine that the front reverse radio configuration set of call matches is specially:
Reverse radio configuration set before determining this call matches according to the radio configuration list of user terminal support;
According to type of call determination business option, and reverse radio configuration set before upgrading described coupling according to business option.
2. method according to claim 1, is characterized in that, described determine the front reverse radio configuration set that base station is supported before, described method also comprises,
Select the strongest community of pilot frequency intensity, select resource can with and the lightest carrier frequency of load.
3. method according to claim 1 and 2, is characterized in that, the described front reverse radio configuration set determining that base station is supported is specially,
The behaviour in service of the Current resource of statistics call setup contained fan, and reverse radio configuration set before determining base station support according to the behaviour in service of described Current resource.
4. method according to claim 3, is characterized in that, described Current resource comprises, and Channel Elements, walsh codes resources and frame are biased.
5. method according to claim 4, is characterized in that, the described behaviour in service according to described Current resource determine base station support before oppositely radio configuration set be specially,
Be biased according to described Channel Elements, walsh codes resources and frame and draw corresponding radio configuration set, reverse radio configuration set before being base station support that the radio configuration of the described correspondence drawn is occured simultaneously.
6. method according to claim 1 and 2, is characterized in that, described selection specific wireless is configured to the optimum radio configuration under selection specific criteria.
7. a choice device for radio configuration, is characterized in that, described device comprises,
First processing module, for determining oppositely radio configuration set before call matches;
Second processing module, for determine base station support before oppositely radio configuration RC set;
Select module, concentrate for radio configuration intersection of sets reverse before reverse radio configuration set before described coupling and described support and select specific wireless configuration to carry out this calling;
Wherein, described first processing module for before determining call matches oppositely radio configuration set be specially,
For determining oppositely radio configuration set before this call matches according to the radio configuration list of user terminal support; And
For according to type of call determination business option, and upgrade oppositely radio configuration set before described coupling according to business option.
8. device according to claim 7, is characterized in that,
Described second processing module also for selecting the community that pilot frequency intensity is the strongest, and select resource can with and the lightest carrier frequency of load.
9. the device according to claim 7 or 8, is characterized in that, described second processing module for before determining base station and supporting oppositely radio configuration set be specially,
Corresponding radio configuration set is drawn, reverse radio configuration set before being base station support of the radio configuration of the described correspondence drawn being occured simultaneously for being biased according to Channel Elements, walsh codes resources and frame.
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| CN201110045774.2A CN102111823B (en) | 2011-02-25 | 2011-02-25 | A kind of system of selection of radio configuration and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1889766A (en) * | 2005-06-30 | 2007-01-03 | 华为技术有限公司 | Wireless configuration type distributing method |
| CN101494894A (en) * | 2008-12-31 | 2009-07-29 | 中兴通讯股份有限公司 | Backward power control method and control device |
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| US20060068789A1 (en) * | 2004-09-30 | 2006-03-30 | Rath Vannithamby | Radio configuration selection during inter-BS call handoff |
| CN101425957A (en) * | 2007-10-30 | 2009-05-06 | 中兴通讯股份有限公司 | Application subclass negotiating method initiated by access terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1889766A (en) * | 2005-06-30 | 2007-01-03 | 华为技术有限公司 | Wireless configuration type distributing method |
| CN101494894A (en) * | 2008-12-31 | 2009-07-29 | 中兴通讯股份有限公司 | Backward power control method and control device |
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