CN102036392B - Code resource allocation method and radio network controller - Google Patents

Abstract

The invention discloses a code resource allocation method and a radio network controller. The method comprises that: the radio network controller determines a code word weight which guarantees a rate in a cell and a code word weight which does not guarantee the rate; the radio network controller determines a channel balance number of a second service according to the code word weight which guarantees the rate or according to the code word weight which guarantees the rate and the code word weight which does not guarantee the rate; and the radio network controller allocates free code words in the cell according to the channel balance number and the number of high speed physical downlink shared channels in the cell. By the invention, according to the rate requirements of an R99 service and a high speed downlink packet access (HSDPA) service, the number of code words, to be allocated to the HSPDA service, in finite resources on the premise of guaranteeing the serving quality of the two services can be determined, so the quality of the R99 service and the quality of the HSDPA service are best.

Description

Code-resource distribution method and radio network controller

Technical field

The present invention relates to, based on Wideband Code Division Multiple Access (WCDMA) (Wideband Code-Division Multiple Access, referred to as WCDMA) mobile communication technology, relate in particular to a kind of code-resource distribution method and radio network controller.

Background technology

High speed downlink packet access (High Speed Downlink Packet Access, referred to as HSDPA) technology is third generation partner program (3rd Generation Partnership Project, referred to as 3GPP) a kind of modulation and demodulation algorithm of proposing in order to meet the asymmetric demand of up/down row data service in R5 agreement, this technology can improve the downlink transmission data rate of Wideband Code Division Multiple Access (WCDMA) (Wideband Code-Division MultipleAccess, referred to as WCDMA) network.

In HSDPA technology, its down direction is by high-speed physical downlink shared channel (HS-PDSCH) (High SpeedPhysical Downlink Shared Channel, referred to as HS-PDSCH) transmission data.According to 3GPP agreement, it is 16 code word (be abbreviated as SF16 here, represent the code word that spreading factor is 16) that HS-PDSCH channel must be used spreading factor (Spreading Factor, referred to as SF), and, in Yi Ge community, can there are at most 15 HS-PDSCH channels.

When radio network controller (Radio Network Controller, referred to as RNC) is many HS-PDSCH channels of cell configuration, the numbering of the SF16 code word that these HS-PDSCH channels are used must be continuously.While there is R99 business in community, dedicated channel (the Dedicated Channnel of carrying R99 business, referred to as DCH) be mapped to downward special physical channel (Dedicated Physical Channnel, referred to as DPCH) upper, and descending DPCH channel can block the needed code word of HS-PDSCH channel.Therefore the codeword number of the SF16 that HS-PDSCH channel number can distribute must be greater than the code word of SF 16 correspondences of the numbering maximum of descending DPCH channel block.

In HSDPA business number and wireless environment quality certain in the situation that, the number of the HS-PDSCH channel distributing is more, the shared code word of HS-PDSCH channel is also more, the total throughout of the HSDPA business of community is higher, the speed of single HSDPA business is also higher, and the quality of corresponding HSDPA business is higher, but can reduce like this quantity of the operable idle code word of R99 business in community, thereby the throughput that reduces R99 business, causes the quality of R99 business lower; Otherwise, if the number of the DPCH channel distributing is more, the shared code word of DPCH channel is also more, the total throughout of the R99 business of community is higher, and the quality of single R99 business is higher, similarly, if the shared code word of DPCH channel is also more, in community, the quantity of the operable idle code word of HSDPA business is just fewer, thereby reduces the throughput of HSDPA business, causes the quality of HSDPA business lower.

Yet, thereby for being difficult to balance between HSDPA quality of service and R99 quality of service, cannot realize the problem that both take into account, effective solution is not yet proposed at present.

Summary of the invention

For the problem that cannot take into account HSDPA quality of service and R99 quality of service in correlation technique, the present invention proposes a kind of code-resource distribution method, can take into account under the prerequisite of the two quality of service simultaneously and determine and the number of codewords that needs to distribute to HSPDA business in limited resources make the quality of R99 business and HSDPA business all reach the best.

For the problem that cannot take into account HSDPA quality of service and R99 quality of service in correlation technique, the present invention also proposes a kind of radio network controller, can take into account under the prerequisite of the two QoS simultaneously and determine and the number of codewords that needs to distribute to HSPDA business in limited resources make the quality of R99 business and HSDPA business all reach the best.

Technical scheme of the present invention is achieved in that

A code-resource distribution method, comprising:

Radio network controller is determined the required code word weights of guaranteed rate in community, and the required code word weights of non-guaranteed rate, wherein, the required code word weights of described guaranteed rate refer to code word weights that the guaranteed rate of the first business is required and the required code word weights corresponding to channel of guaranteed rate of the second business, and the required code word weights of described non-guaranteed rate refer to code word weights that the non-guaranteed rate of described the first business is required and the required code word weights corresponding to channel of non-guaranteed rate of described the second business;

Described radio network controller is according to the required code word weights of described guaranteed rate or according to the required code word weights of described guaranteed rate and the required code word weights of described non-guaranteed rate, determine the channel balancing number of described the second business;

Described radio network controller is adjusted the number of the high-speed physical downlink shared channel (HS-PDSCH) of the second business according to described channel balancing number.

Preferably, described radio network controller is adjusted being operating as of number of the high-speed physical downlink shared channel (HS-PDSCH) of the second business according to described channel balancing number:

If described channel balancing number is greater than the number of the high-speed physical downlink shared channel (HS-PDSCH) of having set up in described community, the idle code word in described community is distributed to described the second business;

If described channel balancing number is less than or equal to the number of the high-speed physical downlink shared channel (HS-PDSCH) of having set up in described community, the idle code word in described community is distributed to described the first business.

Wherein, according to the required code word weights of described guaranteed rate, determine that the processing of the channel balancing number of described the second business specifically comprises:

If the guaranteed rate of all the second business is equal to maximum rate in community, according to required code word weights corresponding to channel of the guaranteed rate of the second business in described guaranteed rate part, determine the channel balancing number of described the second business.

Wherein, according to the required code word weights of described guaranteed rate, determine that the operation of the channel balancing number of described the second business comprises:

The required high-speed physical downlink shared channel (HS-PDSCH) number of code word weights corresponding to the guaranteed rate sum of all the second business in described community is defined as to the channel balancing number of described the second business.

Wherein, according to the required code word weights of described guaranteed rate and the required code word weights of described non-guaranteed rate, determine that the processing of the channel balancing number of described the second business specifically comprises:

If the guaranteed rate of arbitrary the second business is not equal to maximum rate in community, according to the required code word weights of described guaranteed rate and the required code word weights of described non-guaranteed rate, determine the channel balancing number of described the second business.

Preferably, utilize following formula to determine the code word weights NonGBRCodeWeight that described non-guaranteed rate is required:

NonGBRCodeWeight=CodeWeight-ComCodeWeight-(GBRCodeWeight1+GBRCodeWeight2), wherein, CodeWeight represents the code word weights that total code word of community is corresponding, ComCodeWeight represents the code word weights sum that in community, all channels except high-speed physical downlink shared channel (HS-PDSCH) and DPCH are corresponding, (GBRCodeWeight1+GBRCodeWeight2) represent the code word weights that described guaranteed rate is required, GBRCodeWeight1 represents the code word weights that the required code word of the guaranteed rate of all the first business in community is corresponding, GBRCodeWeight2 represents the code word weights that the required code word of the guaranteed rate of all the second business in community is corresponding.

Preferably, according to following formula, determine the required code word weights NonGBRCodeWeight2 corresponding to channel of guaranteed rate of the second business in community:

NonGBRCodeWeight2=NonGBRCodeWeight * k * DpaNum2/ (DpaNum2+Num1), wherein, DpaNum2 represents that maximum rate in community is greater than the quantity of the second business of guaranteed rate, Num1 represents that maximum rate in community is greater than the quantity of the first business of guaranteed rate, k is the penalty coefficient of the first business, 0 < k <=1.

Preferably, according to following formula, determine the channel balancing number BalNum of described the second business:

BalNum=ceil (DpaCodeWeight/32), wherein, DpaCodeWeight=NonGBRCodeWeight2+GBRCodeWeight2, NonGBRCodeWeight2 represents required code word weights corresponding to channel of the non-guaranteed rate of the second business in community, GBRCodeWeight2 represents code word weights corresponding to the required code word of the guaranteed rate sum of all the second business in community, and ceil () represents to round up.

Preferably, according to following formula, determine the required code word weights NonGBRCodeWeight1 of the non-guaranteed rate of the first business in community:

NonGBRCodeWeight1＝NonGBRCodeWeight-NonGBRCodeWeight2。

Preferably, at the required code word weights NonGBRCodeWeight1 of the non-GBR of described the first business, be greater than $\left(\underset{1}{\overset{\mathrm{Num}1}{\mathrm{\&Sigma;}}}\mathrm{MaxCodeWeigh}{t}_i\right)-\mathrm{GBRCodeWeight}{1}^{\&prime;}$ Situation under, NonGBRCodeWeight1 is changed into $\left(\underset{1}{\overset{\mathrm{Num}1}{\mathrm{\&Sigma;}}}\mathrm{MaxCodeWeigh}{t}_i\right)-\mathrm{GBRCodeWeight}{1}^{\&prime;},$ Wherein, MaxCodeWeight _i=min (CodeWeightForMBR _i, 128), wherein, CodeWeightForMBR _ithe required code word weights of guaranteed rate that represent i the first business, in GBRCodeWeight1 ' expression community, maximum rate is greater than the code word weights corresponding to the required code word of guaranteed rate sum of all first business of guaranteed rate.

Preferably, according to following formula, redefine the required code word weights NonGBRCodeWeight2 ' of non-guaranteed rate of described the second business:

$\mathrm{NonGBRCodeWeight}{2}^{,}=\mathrm{NonGBRCodeWeight}-\left(\underset{1}{\overset{\mathrm{Num}1}{\mathrm{\&Sigma;}}}\mathrm{MaxCodeWeigh}{t}_i\right)+$

${\mathrm{GBRCodeWeight}1}^{\&prime;}.$

Preferably, according to following formula, redefine the channel balancing number BalNum ' of described the second business:

BalNum '=ceil (DpaCodeWeight/32), wherein, DpaCodeWeight=NonGBRCodeWeight2 '+GBRCodeWeight2.

Wherein, if described radio network controller detects code word weights corresponding to the current idle code word of described community, to be less than the first code word weight threshold or the described radio network controller that set in advance be the new code word of described the first business application, and what described radio network controller distributed the idle code word in described community according to the number of described channel balancing number and described community high speed Physical Downlink Shared Channel is operating as:

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is greater than described channel balancing number, the number of the high-speed physical downlink shared channel (HS-PDSCH) of having set up described in reducing;

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is less than or equal to described channel balancing number, the high-speed physical downlink shared channel (HS-PDSCH) number of having set up described in keeping is constant;

Wherein, the code word weights surplus thresholding that described the first code word weight threshold is described the first business.

Further, also comprise:

Described radio network controller periodically detects the current idle code word of described community; Or,

Described radio network controller is after described the first traffic assignments code word, detects the current idle code word of described community.

Wherein, if described radio network controller is the new code word of described the first business application, and the current idle code word of described community is less than described new code word, what described radio network controller distributed the idle code word in described community according to the number of described channel balancing number and described community high speed Physical Downlink Shared Channel is operating as:

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is greater than described channel balancing number, the number of the high-speed physical downlink shared channel (HS-PDSCH) of having set up described in reducing;

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is less than or equal to described channel balancing number, the high-speed physical downlink shared channel (HS-PDSCH) number of having set up described in keeping is constant;

Wherein, the code word weights surplus thresholding that described the first code word weight threshold is described the first business.

Wherein, also comprise:

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is less than high-speed physical downlink shared channel (HS-PDSCH) number max-thresholds, and the current idle code word in described community is less than the first code word weight threshold setting in advance, increase the number of described community high speed Physical Downlink Shared Channel.

What wherein, described radio network controller distributed the idle code word in described community according to the number of described channel balancing number and described community high speed Physical Downlink Shared Channel is operating as:

If the number of the high-speed physical downlink shared channel (HS-PDSCH) after increasing is greater than described channel balancing number, keep described current high-speed physical downlink shared channel (HS-PDSCH) number constant;

If the number of the high-speed physical downlink shared channel (HS-PDSCH) after increasing is less than or equal to described channel balancing number, trigger described the first business reduction of speed.

Further, also comprise:

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is less than high-speed physical downlink shared channel (HS-PDSCH) number max-thresholds, and the current idle code word in described community is less than the second code word threshold value setting in advance, described radio network controller triggers the operation of setting up new high-speed physical downlink shared channel (HS-PDSCH).

Wherein, if set up the operation failure of new high-speed physical downlink shared channel (HS-PDSCH), what described radio network controller distributed the idle code word in described community according to the number of described channel balancing number and described community high speed Physical Downlink Shared Channel is operating as:

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up described is greater than described channel balancing number, keeps described current high-speed physical downlink shared channel (HS-PDSCH) number constant;

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up described is less than or equal to described channel balancing number, triggers described the first business reduction of speed.

Wherein, the operation failure of the new high-speed physical downlink shared channel (HS-PDSCH) of described foundation refers to: the required code word of described new high-speed physical downlink shared channel (HS-PDSCH) gets clogged.

Preferably, described the first business is for being used the business of downward special physical channel transmission data, and described the second business is for being used the business of high-speed physical downlink shared channel (HS-PDSCH) transmission data.

A radio network controller, for carrying out said method.

By technique scheme of the present invention, by determine the channel balancing number of described high speed downlink grouping access business according to code word weights required in guaranteed rate separately of R99 business and HSDPA business and non-guaranteed rate situation, and then the number of the high-speed physical downlink shared channel (HS-PDSCH) of adjustment high speed downlink grouping access business, can be according to the rate requirement of R99 business and HSDPA business, take into account at the same time and under the prerequisite of the two QoS, determine the number of codewords that needs to distribute to HSPDA business in limited resources, make the quality of R99 business and HSDPA business all reach best, solved the problem that is difficult to take into account R99 quality of service and HSDPA quality of service in correlation technique.

Accompanying drawing explanation

Fig. 1 is according to the flow chart of steps of the code-resource distribution method of the embodiment of the present invention;

Fig. 2 is the detailed process chart according to the code-resource distribution method of the embodiment of the present invention;

Fig. 3 is the code resource word distribution schematic diagram according to the embodiment of the present invention;

Fig. 4 is the composition connection layout according to the radio network controller of the embodiment of the present invention.

Embodiment

Along with high speed downlink packet access (High Speed Downlink Packet Access, referred to as HSDPA) day by day improve and extensive use, when realizing user's proper communication, need to consider how to allow HSDPA business and traditional R99 business all obtain gratifying effect.At present, community is when being R99 business and HSDPA traffic assignments code word, can be preferably R99 traffic assignments code word, and by remaining code assignment to HSDPA business, if but the more code word of R99 service needed, the code word that HSDPA business can have been distributed this business frees out, the code assignment that community can free out HSDPA business is to R99 business, to meet the needs of R99 business, assurance R99 business can normally be moved, but can cause like this quality of HSDPA business lower.Therefore need to find a kind of method of distributing high-speed physical downlink shared channel (HS-PDSCH) (HS-PDSCH, High Speed Physical Downlink Shared Channel) number rationally, R99 business and HSDPA business can both be served preferably.Based on this, the invention provides a kind of code-resource distribution method, according to the channel statistical in community, determine the balance number of HS-PDSCH channel, and according to this balance number, adjust the actual number of HS-PDSCH channel.

Fig. 1 is the flow chart of steps of the code-resource distribution method of the embodiment of the present invention, as shown in Figure 1, comprises following processing:

Step S101, radio network controller (Wireless Network Controller, referred to as WNC) determine the required code word weights of guaranteed rate in community, and the required code word weights of non-guaranteed rate, wherein, the required code word weights of guaranteed rate refer to code word weights that the guaranteed rate of the first business is required and the required code word weights corresponding to channel of guaranteed rate of the second business, and the required code word weights of non-guaranteed rate refer to code word weights that the non-guaranteed rate of the first business is required and the required code word weights corresponding to channel of non-guaranteed rate of the second business;

Step S103, WNC is according to the required code word weights of guaranteed rate or according to the required code word weights of guaranteed rate and the required code word weights of non-guaranteed rate, determine the channel balancing number of the second business;

Step S105, WNC distributes the idle code word in community according to the number of the high-speed physical downlink shared channel (HS-PDSCH) in channel balancing number and community, particularly, if channel balancing number is greater than the number of the high-speed physical downlink shared channel (HS-PDSCH) of having set up in community, the idle code word in Ze Jiang community is distributed to the second business; If channel balancing number is less than or equal to the number of the high-speed physical downlink shared channel (HS-PDSCH) of having set up in community, the idle code word in Ze Jiang community is distributed to the first business.

The present invention decides HS-PDSCH channel balancing number according to the quantitative proportion of the quantity of the first business in community and the second business, when HS-PDSCH channel number is less than balance number, when HS-PDSCH channel number need to increase, can be than downward special physical channel (DedicatedPhysical Channel, DPCH) there is higher priority to use idle code word, and when HS-PDSCH channel number surpasses balance number, descending DPCH channel has higher priority to use idle code word.

For better the present invention will be described, first business of take below describes as HSDPA business as example as R99 business, the second business, those skilled in the art are known, for other, utilize the business of DPCH channel transmission data and other to utilize the business of HS-PDSCH channel transmission data, the present invention can realize equally.

Below in conjunction with Fig. 2, the method shown in Fig. 1 is elaborated.

Fig. 2 is the equilibrium number object process flow diagram of definite HS-PDSCH channel of the embodiment of the present invention, and as shown in Figure 2, this processing specifically comprises:

Step S201, adds up following data:

1., code word weights sum corresponding to all channels except HS-PDSCH channel and DPCH in statistics community.For example, add up respectively the code word weights ComCodeWeight that following each channel is used: Primary Common Pilot Channel (Primary Common Pilot Channel, referred to as P-CPICH), Primary Common Control Physical Channel (Primary Common Control Physical Channel, referred to as P-CCPCH), auxiliary publish control physical channel (Secondary Common Control Physical Channel, referred to as S-CCPCH), Page Indication Channel (Page Indicator Channel, referred to as PICH), AICH Acquisition Indication Channel (Acquisition Indicator Channel, referred to as AICH), HS-PDSCH shared control channel (Shared Control Channel for HS-DSCH, referred to as HS-SCCH), fractional dedicated physical channel (Fractional Dedicated Physical Channel, referred to as F-DPCH), strengthen DCH absolute grant channel (E-DCH Absolute Grant Channel, referred to as E-AGCH), strengthen DCH relative authorization channel (E-DCH Relative Grant Channel, referred to as E-RGCH), strengthen DCH hybrid automatic repeat request indication channel (E-DCH Hybrid ARQ Indicator Channel, referred to as E-HGCH).Wherein, the code word number that it is SF512 that code word weights represent with the spreading factor of this code word in identical code tree branch, for example, and a code word that spreading factor is A, its weights can be 512/A.Code word weights corresponding to all channels in statistics community except HS-PDSCH channel and DPCH.

2., each R99 business has its corresponding maximum rate (Maximum Bit Rate, referred to as MBR) and guaranteed rate (Guaranteed Bit Rate, referred to as GBR), in statistics community, MBR equals the code word weights sum R99GBRCodeWeight1 that all R99 business of GBR have been used.

3., MBR is greater than the amount R 99Num of the R99 business of GBR in statistics community, and according to the method for stipulating in 3GPP25.212 agreement, calculates the code word of the required use of GBR of these R99 business, and these code word weights sums R99GBRCodeWeight2.

4., in statistics community, MBR is greater than the quantity HsdpaNum of the HSDPA business of GBR.

5., the GBR sum HsGBRSum of all HSDPA business in statistics community, calculating is in order to meet the HS-PDSCH channel number HsNumforGBR of HsGBRSum needs, and the weights sum HsGBRCodeWeight of the SF16 code word used of these HS-PDSCH channels, wherein, calculate the method for the required HS-PDSCH channel number of HsGBRSum and can use the existing method of prior art, repeat no more here.

Step S202, according to the statistics of step S201, judges whether R99Num and HsdpaNum are all 0, if judgment result is that, is to enter into step S203, otherwise enter into step S204.

Step S203, if HsdpaNum is 0, makes the channel balancing number HsBalNum of HS-PDSCH channel equal HsNumforGBR, and flow process finishes.

Step S204, the total weight value of all code words in community is deducted to code word weights sum corresponding to all channels outside HS-PDSCH channel and DPCH, deduct again the weights of the required code word of GBR speed of R99 and HSDPA business, obtain the operable code word weights of the non-GBR speed NonGBRCodeWeight of all R99 business and HSDPA business, that is, NonGBRCodeWeight=512-R99GBRCodeWeight1-R99GBRCodeWeight2-HsGBRCodeWeight.

Step S205, according to R99Num and HsdpaNum, determine that the non-GBR speed of HSDPA business can be used the code word weights HsNonGBRCodeWeight of use: for example, HsNonGBRCodeWeight=NonGBRCodeWeight * k * HsdpaNum/ (HsdpaNum+R99Num).

Wherein, k is the penalty coefficient of R99 business, 0 < k <=1.Generally, when R99 business and HSDPA business are all used the code word of SF 16, HSDPA business is compared the throughput that R99 business is higher, therefore, penalty coefficient k can be set, and makes HSDPA business distribute more balanced with the code word weights of R99 business.

Step S206, determines that the non-GBR speed of R99 business makes available code word weights R99NonGBRCodeWeight, wherein, and R99NonGBRCodeWeight=NonGBRCodeWeight-HsNonGBRCodeWeight.

The non-GRB speed that above-mentioned steps S205 and step S206 determine respectively HSDPA business and R99 business makes available code word weights, can to the non-GRB speed of these two business, available code word weights be adjusted according to practical application below, concrete adjustment process be that step S207 is to step S212.

Step S207, in general, the actual speed rate of single R99 business can not surpass its MBR, due to speed size and this speed the size of spreading factor of corresponding code word be inversely proportional to, and the spreading factor of code word and code word weights are also inversely proportional to, therefore, the spreading factor of the corresponding code word of actual speed rate is equal to or greater than the spreading factor SFforMBR of the corresponding code word of MBR, and the code word weights of the corresponding code word of actual speed rate are equal to or less than the code word weights CodeWeightforMBR of the corresponding code word of MBR, the minimal frequency spreading factor of the downward special physical channel that agreement allows is simultaneously 4 (code word weights are 128).Therefore, the weights of single R99 code word that business is used can not surpass the smaller value between CodeWeightforMBR and 128, i.e. R99MaxCodeWeight _i=min (CodeWeightForMBR _i, 128).

Step S208, is greater than the R99 business of GBR for all MBR, calculate each R99 business CodeWeightforMBRi and R99MaxCodeWeighti, wherein i=1～R99Num.

Step S209, judges whether R99NonGBRCodeWeight is greater than $\left(\underset{1}{\overset{R99\mathrm{Num}}{\mathrm{\&Sigma;}}}R99\mathrm{MaxCodeWeigh}{t}_i\right)-R99\mathrm{GBRCodeWeight}2,$ If judgment result is that to be, enter into step S210, otherwise enter into step S211.

Step S210, if $R99\mathrm{NonGBRCodeWeight}>\left(\underset{1}{\overset{R99\mathrm{Num}}{\mathrm{\&Sigma;}}}R99\mathrm{MaxCodeWeigh}{t}_i\right)-R99\mathrm{GBRCodeWeight}2,$ Be expressed as MBR be greater than GBR R99 traffic assignments too much code word weights, be R99NonGBRCodeWeight assignment again, order

$R99\mathrm{NonGBRCodeWeight}>\left(\underset{1}{\overset{R99\mathrm{Num}}{\mathrm{\&Sigma;}}}R99\mathrm{MaxCodeWeigh}{t}_i\right)-R99\mathrm{GBRCodeWeight}2,$

And enter into step S212.

Step S211, if $R99\mathrm{NonGBRCodeWeight}>\left(\underset{1}{\overset{R99\mathrm{Num}}{\mathrm{\&Sigma;}}}R99\mathrm{MaxCodeWeigh}{t}_i\right)-R99\mathrm{GBRCodeWeight}2,$ The value of R99NonGBRCodeWeight is constant, and enters into step S212.

Step S212, in code word weights corresponding to non-GRB speed, remove code word weights corresponding to R99 business GRB speed, remaining code word weights are distributed to the code word weights corresponding to non-GBR of HSDPA business, that is, HsNonGBRCodeWeight=NonGBRCodeWeight-R99NonGBRCodeWeight.

Step S213, HsNonGBRCodeWeight and HsGBRCodeWeight sum HsdpaCodeWeight represent the operable code word weights of HSDPA business, being converted as the number of SF16 code word is the channel balancing number of HS-PDSCH channel:

HsBalNum＝ceil(HsdpaCodeWeight/32)

Wherein, ceil () represents to round up.

Like this, according to the rate requirement of R99 business and HSDPA business, take into account at the same time under the prerequisite of the two QoS and determine and the number of codewords that needs to distribute to HSPDA business in limited resources make the quality of R99 business and HSDPA business all reach the best.

Below in conjunction with instantiation, definite method of the channel balancing number of HS-PDSCH channel is described, the application scenarios of supposing the community of support HSDPA is: R99 business is: 2 AMR12.2kbps business, and 4 GBR are that 32kbps/MBR is the R99 PS I/B class business of 384kbps; HSDPA business is: 1 GBR and MBR are the S class business of 700kbps, and 4 GBR are that 32kbps/MBR is the PS I/B class business of 2M; And the code resource situation of descending P-CPICH channel, P-CCPCH channel, AICH channel, PICH channel, S-CCPCH channel and HS-SCCH channel occupancy as shown in Figure 3 in this community.According to above-mentioned scene, channel balancing number definite comprises following processing:

Step 1, add up following data:

1., AMR12.2kbps business is the equal-sized R99 business of MBR and GBR, wherein, the code word of 2 spreading factor SF128 of 2 AMR12.2kbps service needed, the code word weights of each AMR12.2kbps business are 512/128=4, and the code word weights sum of these two AMR12.2kbps business is R99GBRCodeWeight1=4+4=8;

2., to meet 4 GBR be that 32kbps/MBR is the GBR code word of 4 SF64 of needs altogether of the business of 384kbps, the code word weights of each business are 512/64=8, the code word weights sum of these 4 business is R99GBRCodeWeight2=8 * 4=32;

3., in order to meet 1 GBR and MBR, be the S class business of 700kbps, need 1 HS-PDSCH channel, because the code word spreading factor of HS-PDSCH channel is SF16, the code word weights of HS-PDSCH channel are HsGBRCodeWeight=512/16=32;

4., P-CPICH, P-CCPCH, AICH, PICH, the corresponding weights sum of code word of S-CCPCH and HS-SCCH channel occupancy is ComCodeWeight=24.

By step 1, count all R99 and the operable code word weights of HSDPA business GBR speed part in community and be: R99GBRCodeWeight1+R99GBRCodeWeight2+HsGBRCodeWeight+ComC odeWeight=8+32+32+24=96.

Step 2, all R99 and the non-GBR speed of HSDPA business part operable code word weights NonGBRCodeWeight=512-(R99GBRCodeWeight1+R99GBRCodeWeight2+HsGBRCodeWeight)=512-96=416.

Step 3, in community, MBR is greater than the R99 number of services R99Num=4 of GBR; In community, MBR is greater than the HSDPA number of services HsdpaNum=1 of guaranteed rate GBR;

Step 4, the average throughput that wall scroll HS-PDSCH channel can be supported is 700kbps left and right, a R99 service rate that takies SF16 code word is in 256kbps left and right, therefore, R99 business penalty coefficient k=256/700=0.37, like this, the non-GBR of HSDPA business partly distributes available code word weights to be:

HsNonGBRCodeWeight＝NonGBRCodeWeight×k×HsdpaNum/(HsdpaNum+R99Num)＝416×0.37×1/(4+1)＝30.78

Step 5, the available code word weights of non-GBR part of R99 business are:

R99NonGBRCodeWeight＝NonGBRCodeWeight-HsNonGBRCodeWeight＝416-30.78＝385.22。

Step 6, R99MaxCodeWeighti=64, $\left(\underset{1}{\overset{R99\mathrm{Num}}{\mathrm{\&Sigma;}}}R99\mathrm{MaxCodeWeigh}{t}_i\right)-R99\mathrm{GBRCodeWeight}2=4\&times;64+$ $R99\mathrm{GBRCodeWeight}2=224,$ Because R99NonGBRCodeWeight is greater than $\left(\underset{1}{\overset{R99\mathrm{Num}}{\mathrm{\&Sigma;}}}R99\mathrm{MaxCodeWeigh}{t}_i\right)-R99\mathrm{GBRCodeWeight}2,$ Therefore, will $\left(\underset{1}{\overset{R99\mathrm{Num}}{\mathrm{\&Sigma;}}}R99\mathrm{MaxCodeWeigh}{t}_i\right)-R99\mathrm{GBRCodeWeight}2$ Value 224 be assigned to R99NonGBRCodeWeight, make R99NonGBRCodeWeight=224, corresponding, make HsNonGBRCodeWeight=NonGBRCodeWeight-224=416-224=192.

Step 7, HsNonGBRCodeWeight and HsGBRCodeWeight sum are HsdpaCodeWeight, HsdpaCodeWeight=HsNonGBRCodeWeight+HsGBRCodeWeight=192+3 2=224, the balance number of HS-PDSCH channel is:

HsBalNum＝ceil(HsdpaCodeWeight/32)＝ceil(224/32)＝7。

After having determined the balance number of HS-PDSCH channel, illustrate the mode of utilizing the balance number of this HS-PDSCH channel and the actual number of community HS-PDSCH channel to distribute the idle code word in community below.

Example 1

WNC is the current idle code word of detected cells periodically, or WNC is after R99 traffic assignments code word, the current idle code word of meeting detected cells, if WNC detects code word weights corresponding to current idle code word in community and is less than the DchCodeHy that sets in advance (, the first threshold value mentioned above), wherein, this DchCodeHy is the code word weights surplus thresholding for R99 traffic set, and WNC can carry out the number that HS-PDSCH channel is adjusted in following operation:

If the HS-PDSCH channel of having set up in community (being in esse HS-PDSCH channel in community) number is greater than channel balancing number, WNC can reduce the HS-PDSCH having set up and believes logical number, for example, can reduce by a HS-PDSCH channel, or a plurality of HS-PDSCH channels, in Huo Jiang community, the number of actual HS-PDSCH channel is reduced to identical with this channel balancing number, if the number of HS-PDSCH channel actual in community is 7, channel balancing number is 5, WNC can two HS-PDSCH channels, making the number of HS-PDSCH channel actual in community is 5, if the HS-PDSCH channel number of having set up in community is less than or equal to channel balancing number, WNC can keep the HS-PDSCH channel number set up constant.

Example 2

WNC is after the new code word of R99 business application, current idle code word that can detected cells, if when this current bell idles word cannot meet the demand of R99 business, WNC can carry out the number that HS-PDSCH channel is adjusted in following operation:

If the HS-PDSCH channel of having set up in community (being in esse HS-PDSCH channel in community) number is greater than channel balancing number, WNC can reduce the number of the HS-PDSCH channel of having set up, for example, can reduce by a HS-PDSCH channel, or a plurality of HS-PDSCH channels, in Huo Jiang community, the number of actual HS-PDSCH channel is reduced to identical with this channel balancing number, if the number of HS-PDSCH channel actual in community is 7, channel balancing number is 5, WNC can reduce by two HS-PDSCH channels, making the number of HS-PDSCH channel actual in community is 5, if the HS-PDSCH channel number of having set up in community is less than or equal to channel balancing number, WNC can keep the HS-PDSCH channel number set up constant.

Example 3

WNC can periodically detect the number of HS-PDSCH channel, if (the HS-PDSCH channel number of having set up in community is less than maximum that current HS-PDSCH channel number can reach, HS-PDSCH channel number max-thresholds mentioned above), and in community, current idle code word weights are less than (DchCodeHy+32), WNC can trigger the operation of HS-PDSCH channel in newly-built community, the concrete number increasing can be come to determine as required, wherein, the maximum value calculation method of HS-PDSCH channel number can realize by the method for prior art, here repeat no more, now, WNC can trigger the operation of setting up new HS-PDSCH channel, if set up the operation failure of new HS-PDSCH channel, for example, set up the DPCH channel block that the required SF16 code word of new HS-PDSCH channel is used by R99 business, WNC can carry out the number that HS-PDSCH channel is adjusted in following operation:

If the HS-PDSCH channel number of having set up is greater than channel balancing number, keep current HS-PDSCH channel number constant;

If the HS-PDSCH channel number of having set up is less than or equal to channel balancing number, trigger R99 business reduction of speed.

Mode 4:

WNC can periodically detect the number of HS-PDSCH channel, if (the HS-PDSCH channel number of having set up in community is less than maximum that current HS-PDSCH channel number can reach, HS-PDSCH channel number max-thresholds mentioned above), and in community, current idle code word weights are less than DchCodeHy+32, WNC can increase the number of HS-PDSCH channel in community, the concrete number increasing can be come to determine as required, wherein, the maximum value calculation method of HS-PDSCH channel number can realize by the method for prior art, here repeat no more, now, WNC can carry out the number that HS-PDSCH channel is adjusted in following operation:

If the number of the HS-PDSCH channel after increasing is greater than channel balancing number, it is constant that WNC can keep current HS-PDSCH channel number;

If the number of the HS-PDSCH channel after increasing is less than or equal to channel balancing number, WNC can trigger R99 business reduction of speed.

Fig. 4 is the structured flowchart according to radio network controller of the present invention, as shown in Figure 4, comprising:

The first weights determination module 401, for determining the required code word weights of community guaranteed rate, wherein, the required code word weights of guaranteed rate refer to code word weights that the guaranteed rate of R99 business is required and the required code word weights corresponding to channel of guaranteed rate of high speed downlink grouping access business;

The second weights determination module 402, for determining the required code word weights of the non-guaranteed rate in community, wherein, the required code word weights of non-guaranteed rate refer to code word weights that the non-guaranteed rate of R99 business is required and the required code word weights corresponding to channel of non-guaranteed rate of high speed downlink grouping access business;

Balance number determination module 403, for according to the required code word weights of guaranteed rate or determine the channel balancing number of high speed downlink grouping access business according to the required code word weights of guaranteed rate and the required code word weights of non-guaranteed rate;

Code assignment module 404, for distributing the idle code word in community according to the number of the high-speed physical downlink shared channel (HS-PDSCH) of channel balancing number and community.

Fig. 4 is the device corresponding with previous methods, and the course of work of device and operation principle have been described in detail in method part, do not repeat them here the description of appropriate section in reference method.

In sum, the present invention the give chapter and verse guaranteed rate of R99 business and the required code word weights of non-guaranteed rate, and the guaranteed rate of high speed downlink grouping access business code word weights corresponding to channel required with non-guaranteed rate, determine the channel balancing number of described high speed downlink grouping access business, and then the number of the HS-PDSCH channel of adjustment high speed downlink grouping access business, can be according to the rate requirement of R99 business and HSDPA business, take into account at the same time and under the prerequisite of the two QoS, determine the number of codewords that needs to distribute to HSPDA business in limited resources, make the quality of R99 business and HSDPA business all reach best, solved the problem that is difficult to take into account R99 quality of service and HSDPA quality of service in correlation technique.

The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (21)

1. a code-resource distribution method, is characterized in that, comprising:

Radio network controller is determined the required code word weights of guaranteed rate in community, and the required code word weights of non-guaranteed rate, wherein, the required code word weights of described guaranteed rate refer to code word weights that the guaranteed rate of the first business is required and the required code word weights corresponding to channel of guaranteed rate of the second business, and the required code word weights of described non-guaranteed rate refer to code word weights that the non-guaranteed rate of described the first business is required and the required code word weights corresponding to channel of non-guaranteed rate of described the second business;

The code word weights that described radio network controller is required according to described guaranteed rate, or according to the required code word weights of described guaranteed rate and the required code word weights of described non-guaranteed rate, determine the channel balancing number of described the second business, wherein, when the channel number of High-Speed Physical Downlink Shared Channel HS-PDSCH is less than described channel balancing number, when HS-PDSCH channel number need to increase, can there is higher priority to use idle code word than downward special physical channel, and when HS-PDSCH channel number surpasses described channel balancing number, downward special physical channel DPCH has higher priority to use idle code word,

Described radio network controller distributes the idle code word in described community according to the number of described channel balancing number and described community high speed Physical Downlink Shared Channel;

Described the first business is for being used the business of downward special physical channel transmission data, and described the second business is for being used the business of high-speed physical downlink shared channel (HS-PDSCH) transmission data.

2. method according to claim 1, is characterized in that, what described radio network controller distributed the idle code word in described community according to the number of described channel balancing number and described community high speed Physical Downlink Shared Channel is operating as:

If described channel balancing number is greater than the number of the high-speed physical downlink shared channel (HS-PDSCH) of having set up in described community, the idle code word in described community is distributed to described the second business;

If described channel balancing number is less than or equal to the number of the high-speed physical downlink shared channel (HS-PDSCH) of having set up in described community, the idle code word in described community is distributed to described the first business.

3. method according to claim 1, is characterized in that, according to the required code word weights of described guaranteed rate, determines that the processing of the channel balancing number of described the second business specifically comprises:

If the guaranteed rate of all the second business is equal to maximum rate in community, according to required code word weights corresponding to channel of the guaranteed rate of the second business in described guaranteed rate part, determine the channel balancing number of described the second business.

4. method according to claim 3, is characterized in that, according to the required code word weights of described guaranteed rate, determines that the operation of the channel balancing number of described the second business comprises:

The required high-speed physical downlink shared channel (HS-PDSCH) number of code word weights corresponding to the guaranteed rate sum of all the second business in described community is defined as to the channel balancing number of described the second business.

5. method according to claim 1, is characterized in that, according to the required code word weights of described guaranteed rate and the required code word weights of described non-guaranteed rate, determines that the processing of the channel balancing number of described the second business specifically comprises:

If the guaranteed rate of arbitrary the second business is not equal to maximum rate in community, according to the required code word weights of described guaranteed rate and the required code word weights of described non-guaranteed rate, determine the channel balancing number of described the second business.

6. method according to claim 5, is characterized in that, utilizes following formula to determine the code word weights NonGBRCodeWeight that described non-guaranteed rate is required:

NonGBRCodeWeight=CodeWeight-ComCodeWeight-(GBRCodeWeight1+GBRCodeWeight2), wherein, CodeWeight represents the code word weights that total code word of community is corresponding, ComCodeWeight represents the code word weights sum that in community, all channels except high-speed physical downlink shared channel (HS-PDSCH) and DPCH are corresponding, (GBRCodeWeight1+GBRCodeWeight2) represent the code word weights that described guaranteed rate is required, GBRCodeWeight1 represents the code word weights that the required code word of the guaranteed rate of all the first business in community is corresponding, GBRCodeWeight2 represents the code word weights that the required code word of the guaranteed rate of all the second business in community is corresponding.

7. method according to claim 6, is characterized in that, determines the required code word weights NonGBRCodeWeight2 corresponding to channel of guaranteed rate of the second business in community according to following formula:

NonGBRCodeWeight2=NonGBRCodeWeight * k * DpaNum2/ (DpaNum2+Num1), wherein, DpaNum2 represents that maximum rate in community is greater than the quantity of the second business of guaranteed rate, Num1 represents that maximum rate in community is greater than the quantity of the first business of guaranteed rate, k is the penalty coefficient of the first business, 0<k<=1.

8. method according to claim 7, is characterized in that, determines the channel balancing number BalNum of described the second business according to following formula:

BalNum=ceil (DpaCodeWeight/32), wherein, DpaCodeWeight=NonGBRCodeWeight2+GBRCodeWeight2, NonGBRCodeWeight2 represents required code word weights corresponding to channel of the non-guaranteed rate of the second business in community, GBRCodeWeight2 represents code word weights corresponding to the required code word of the guaranteed rate sum of all the second business in community, and ceil () represents to round up.

9. method according to claim 7, is characterized in that, according to following formula, determines the required code word weights NonGBRCodeWeight1 of the non-guaranteed rate of the first business in community:

NonGBRCodeWeight1＝NonGBRCodeWeight-NonGBRCodeWeight2。

10. method according to claim 9, is characterized in that, the code word weights NonGBRCodeWeight1 required at the non-GBR of described the first business is greater than situation under, NonGBRCodeWeight1 is changed into wherein, MaxCodeWeight _i=min (CodeWeightForMBR _i, 128), wherein, CodeWeightForMBR _ithe required code word weights of guaranteed rate that represent i the first business, in GBRCodeWeight1 ' expression community, maximum rate is greater than the code word weights corresponding to the required code word of guaranteed rate sum of all first business of guaranteed rate.

11. methods according to claim 10, is characterized in that, redefine the required code word weights NonGBRCodeWeight2 ' of non-guaranteed rate of described the second business according to following formula:

$\begin{array}{c}\mathrm{NonGBRCodeWeight}{2}^{,}=\mathrm{NonGBRCodeWeight}-\left(\underset{i=1}{\overset{\mathrm{Num}1}{\mathrm{\&Sigma;}}}\mathrm{MaxCode}{\mathrm{Weight}}_i\right)+\\ {\mathrm{GBRCodeWeight}}^{\&prime;}.\end{array}$

12. methods according to claim 11, is characterized in that, redefine the channel balancing number BalNum ' of described the second business according to following formula:

BalNum '=ceil (DpaCodeWeight/32), wherein, DpaCodeWeight=NonGBRCodeWeight2 '+GBRCodeWeight2.

13. according to the method described in any one in claim 1 to 12, it is characterized in that, if described radio network controller detects code word weights corresponding to the current idle code word of described community, to be less than the first code word weight threshold or the described radio network controller that set in advance be the new code word of described the first business application, and what described radio network controller distributed the idle code word in described community according to the number of described channel balancing number and described community high speed Physical Downlink Shared Channel is operating as:

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is greater than described channel balancing number, the number of the high-speed physical downlink shared channel (HS-PDSCH) of having set up described in reducing;

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is less than or equal to described channel balancing number, the high-speed physical downlink shared channel (HS-PDSCH) number of having set up described in keeping is constant;

Wherein, the code word weights surplus thresholding that described the first code word weight threshold is described the first business.

14. methods according to claim 13, is characterized in that, also comprise:

Described radio network controller periodically detects the current idle code word of described community; Or,

Described radio network controller is after described the first traffic assignments code word, detects the current idle code word of described community.

15. according to the method described in any one in claim 1 to 12, it is characterized in that, if described radio network controller is the new code word of described the first business application, and the current idle code word of described community is less than described new code word, what described radio network controller distributed the idle code word in described community according to the number of described channel balancing number and described community high speed Physical Downlink Shared Channel is operating as:

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is greater than described channel balancing number, the number of the high-speed physical downlink shared channel (HS-PDSCH) of having set up described in reducing;

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is less than or equal to described channel balancing number, the high-speed physical downlink shared channel (HS-PDSCH) number of having set up described in keeping is constant;

Wherein, the code word weights surplus thresholding that described the first code word weight threshold is described the first business.

16. according to the method described in any one in claim 1 to 12, it is characterized in that, also comprises:

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is less than high-speed physical downlink shared channel (HS-PDSCH) number max-thresholds, and the current idle code word in described community is less than the first code word weight threshold setting in advance, increase the number of described community high speed Physical Downlink Shared Channel.

17. methods according to claim 16, is characterized in that, what described radio network controller distributed the idle code word in described community according to the number of described channel balancing number and described community high speed Physical Downlink Shared Channel is operating as:

If the number of the high-speed physical downlink shared channel (HS-PDSCH) after increasing is greater than described channel balancing number, keep described current high-speed physical downlink shared channel (HS-PDSCH) number constant;

If the number of the high-speed physical downlink shared channel (HS-PDSCH) after increasing is less than or equal to described channel balancing number, trigger described the first business reduction of speed.

18. according to the method described in any one in claim 1 to 12, it is characterized in that, also comprises:

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up in described community is less than high-speed physical downlink shared channel (HS-PDSCH) number max-thresholds, and the current idle code word in described community is less than the second code word threshold value setting in advance, described radio network controller triggers the operation of setting up new high-speed physical downlink shared channel (HS-PDSCH).

19. methods according to claim 18, it is characterized in that, if set up the operation failure of new high-speed physical downlink shared channel (HS-PDSCH), what described radio network controller distributed the idle code word in described community according to the number of described channel balancing number and described community high speed Physical Downlink Shared Channel is operating as:

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up described is greater than described channel balancing number, keeps described current high-speed physical downlink shared channel (HS-PDSCH) number constant;

If the high-speed physical downlink shared channel (HS-PDSCH) number of having set up described is less than or equal to described channel balancing number, triggers described the first business reduction of speed.

20. methods according to claim 19, is characterized in that, the operation failure of the high-speed physical downlink shared channel (HS-PDSCH) that described foundation is new refers to: the required code word of described new high-speed physical downlink shared channel (HS-PDSCH) gets clogged.

21. 1 kinds of radio network controllers, is characterized in that, comprising:

The first weights determination module, for determining the required code word weights of community guaranteed rate, wherein, the required code word weights of guaranteed rate refer to code word weights that the guaranteed rate of R99 business is required and the required code word weights corresponding to channel of guaranteed rate of high speed downlink grouping access business;

The second weights determination module, for determining the required code word weights of the non-guaranteed rate in community, wherein, the required code word weights of non-guaranteed rate refer to code word weights that the non-guaranteed rate of R99 business is required and the required code word weights corresponding to channel of non-guaranteed rate of high speed downlink grouping access business;

Balance number determination module, for the code word weights required according to guaranteed rate, or according to the required code word weights of guaranteed rate and the required code word weights of non-guaranteed rate, determine the channel balancing number of high speed downlink grouping access business, wherein, when the channel number of High-Speed Physical Downlink Shared Channel HS-PDSCH is less than described channel balancing number, when HS-PDSCH channel number need to increase, can there is higher priority to use idle code word than downward special physical channel, and when HS-PDSCH channel number surpasses described channel balancing number, downward special physical channel DPCH has higher priority to use idle code word,

Code assignment module, for distributing the idle code word in community according to the number of the high-speed physical downlink shared channel (HS-PDSCH) of channel balancing number and community.