CN103813457A - Method and device for optimizing network capacity - Google Patents

Method and device for optimizing network capacity Download PDF

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Publication number
CN103813457A
CN103813457A CN201210453378.8A CN201210453378A CN103813457A CN 103813457 A CN103813457 A CN 103813457A CN 201210453378 A CN201210453378 A CN 201210453378A CN 103813457 A CN103813457 A CN 103813457A
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access
data service
carrier
resource
time slot
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CN103813457B (en
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陆学兵
顾一泓
李钦竹
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Zhongyi Shuzhi Technology Co ltd
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China Mobile Group Jiangsu Co Ltd
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Abstract

The invention discloses a method and a device for optimizing network capacity, relates to the technical field of communication and solves the technical problem of the limited TD network capacity in the prior art. The method comprises that a radio network controller (RNC) determines types of access services according to access requirements after main carriers in the Time Division-Synchronization Code Division Multiple Access (TD-SCDMA) network are modulated into data and voice service shared mixed carriers and channels of downlink free time slots are changed into shared channels; accessed carriers of data service access requirements are determined according to the ratio of the number of mixed carrier data service accessed users to the number of High Speed Downlink Packet Access (HSDPA) carrier data service accessed users in the community to be accessed. The method and the device are mainly used for improving the network capacity.

Description

A kind of method of optimized network capacity and device
Technical field
The present invention relates to communication technical field, particularly a kind of method of optimized network capacity and device.
Background technology
TD SDMA (Time Division-Synchronous Code Division MultipleAccess, TD-SCDMA) network system, be called for short the duplex mode that TD network system adopts time division duplex (TDD), by adjusting the proportioning of uplink and downlink timeslot, can support preferably non-symmetrical service.At present, in network, the uplink and downlink timeslot proportioning of carrier wave main flow is 2:4, even has time slot TS1-TS6, and wherein, if TS1 and TS2 ascending time slot, TS3-TS6 is descending time slot.Can calculate in theory TD network capacity according to this time slot proportion those skilled in the art is: the carrier wave title of a R4(speech business) single carrier can hold 16 users, HSDPA(High Speed Downlink Packet Access, high speed downlink packet access) carrier wave (a kind of carrier wave title of data service) can hold 6 users, HSPA(HighSpeed Uplink Packet Access, high speed uplink downlink packet access technology) carrier wave can hold 3 users.
Wherein, R4 carrier wave adopts QPSK modulation system, and encoding rate is fixed as 0.44, and single time slot bearer rate is 128kbit/s.From bearing data service ability, the maximum rate that single user uplink takies 2 time slots is 256bit/s, and the alone family the highest descending 3 time slot speed that take are 384kbit/s.From speech business, R4 bearer circuit territory professional ability is as shown in following table one:
Table one
Figure BDA00002392411900011
Because circuit domain business is symmetrical service, so under the prerequisite of 2:4 time slot configuration, the up open ended voice user's number of R4 carrier wave is 15 to the maximum, be descendingly 32 to the maximum.This shows, because up open ended number of users is limited, so be easy to cause descending two time slots for a long time in free time or poor efficiency state, cause the wasting of resources.And along with the sharply increase of wireless data service, in user and heavy traffic region, bottleneck has appearred in the capacity of TD network, directly affect to user's access and the foundation of business.
Summary of the invention
In order to solve the problem of TD network capacity deficiency in prior art.One aspect of the present invention proposes a kind of method and device of optimized network capacity.
A method for optimized network capacity, the main carrier in TD SDMA TD-SCDMA network being modulated to the shared mixed carrier of data and speech business, and changes the channel of descending free timeslot after shared channel into, and the method comprises:
Radio network controller (RNC) judges the type of access service according to access request;
If what RNC received is data service access request, determine according to the number of users of mixed carrier in the community of described data service request wish access access data business and the fast downlink packet access HSDPA carrier wave ratio of the number of users of access data business the carrier wave that described data service access request accesses.
A device for optimized network capacity, comprising:
Dispensing unit, is modulated to data and the shared mixed carrier of speech business for receiving by the main carrier of TD network, and the channel of descending free timeslot is changed into the configuration of shared channel;
Judging unit, for judging the type of access service according to access request;
Carrier assigning unit, for receive in judging unit judgement be data service access request time, determine with the HSDPA carrier wave ratio of the number of users of access data business the carrier wave that described data service access request accesses according to the number of users of mixed carrier in the community of described data service request wish access access data business.
In scheme provided by the invention, be mixed carrier by adopting by single-carrier modulated, the channel of the descending time slot of former free time is changed into the means of shared channel, solve the descending time slot channel idle causing because ascending resource is limited in prior art, the technical problem of network capacity deficiency, and introducing after mixed carrier, the solution of the present invention also provides corresponding resource regulating method, solve in the situation that there is mixed carrier, how to carry out the technical problem of scheduling of resource, and then realize mixed carrier and carried out transfer of data together with HSDPA carrier wave, increase the technique effect of network capacity.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is time slot and the channel configuration schematic diagram of R4 single carrier in prior art;
Fig. 2 is time slot and the channel schematic diagram of the R4 carrier wave before configuration and after configuration in the embodiment of the present invention 1;
Fig. 3 is the schematic flow sheet of carrier dispatching in the method for optimized network capacity in the embodiment of the present invention 1;
Fig. 4 is the schematic flow sheet of the method for optimized network capacity in the embodiment of the present invention 1;
Fig. 5 is the structural representation of the device of optimized network capacity in the embodiment of the present invention 2.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.And following embodiment is possibility of the present invention, embodiment puts in order and the numbering of embodiment and the sequence independence that it is preferably carried out.
Embodiment 1
As shown in Figure 1, be time slot and the channel configuration schematic diagram of R4 single carrier in prior art.Wherein, TS0-TS6 represents that time slot 1 is to time slot 6.As shown in Figure 1, TS1 and TS2 are ascending time slots, and TS3-TS6 is descending time slot, because R4 single carrier uplink and downlink timeslot in prior art compares 2:4, so be easy to cause these two time slots of descending TS3 and TS4 for a long time in free time or poor efficiency state, cause the wasting of resources.The present embodiment provides a kind of method of optimized network capacity for this reason, for the problem of R4 carrier wave utilance in Fig. 1, R4 carrier wave is carried out to following configuration: the main carrier in TD-SCDMA network (being R4) is modulated to data and the shared carrier wave of speech business, and changes the channel of descending free timeslot into shared channel.Particularly, as shown in the frame table on Fig. 2 the right, the R4 carrier wave attribute of speech business in TD network is modulated to mixed carrier, and by the DPCH (DedicatedPhysicalChannel of descending TS3 and these two time slots of TS4, DPCH) change high-speed downlink shared channel (High-Speed Downlink Shared Channel, HS-PDSCH) into.R4, after single carrier becomes mixed carrier, just can carry the HSDPA business except speech business, i.e. data service.Contrasting so Fig. 2, is exactly that TS3 and TS4 change into and can carry HSDPA business, and TS5 and TS6 still carry for carrying R4 business, thereby make full use of TS3 and these two free timeslots of TS4.In the present embodiment owing to considering not power control of data service or the feature of power control at a slow speed, be there is to risk of interferences in language business, therefore while increasing mixed carrier in system, need assessment disturbed condition, unification is configured in identical descending time slot TS3 and TS4, can effectively avoid like this phase mutual interference between language and data traffic channels.
In addition, based on the configuration principle of following channel and channel, in preferred version, can be simultaneously to the newly-increased a pair of uplink special physical channel (High Speed Dedicated Physical ControlChannel, HS-SICH) of TS1; TS6 increases a pair of descending shared control signal channel (DownlinkSharedControl Massage, HS-SCCH) channel newly.After configuration, speech business up-downgoing respectively accounts for two DPCH channels like this; Data service need follow channel to call by the DPCH of TS6, and two DPCH of a CU follow channel.
In theory, if configure a pair of HS-SICH/HSCCH channel, descending totally 30 DPCH channels, up totally 28 DPCH channels, mixing the open ended speech business number of users of main carrier is 14; Data service maximum number of user is 14*N (N is that data service frame divides multiple).If configure two pairs of HS-SICH/HSCCH channels, descending totally 28 DPCH channels, up totally 26 DPCH channels, mixing the open ended speech business number of users of main carrier is 13; Data service maximum number of user is 13*N (N is that data service frame divides multiple).
After above-mentioned configuration, compared with former R4 carrier wave, utilize mixed carrier can make channel resource be utilized more fully, in descending four time slots of former R4 carrier wave, TS3 and TS4 channel are substantially idle, channel utilization is 50%, opens after mixed carrier, and TS3 and TS4 can carry massive dataflow business, in addition channel utilization will promote 50%, and data service download capability increases 560*2=1120Kbps.
Meanwhile, DPCH channel can be opened frame and divides multiplexing.Frame divides multiplexing concept to be, follow channel to carry out multi-user's frame to DPCH and divide block multiplexing, by system be mixed carrier configure maximum multipling channel/code character number, for each multipling channel/code character configuration repetition period, for following channel service to configure repeat length.In the time that user's access request arrives, RNC this user assignment on channel/channel resource that can be multiplexing, until all time interval resources are fully distributed in the repetition period of all multipling channel/code characters.
Based on above-mentioned configuration, the present embodiment will specifically describe after configuration below, and how R4 carrier wave carries out scheduling of resource process to the business of access, and then realize the method for optimized network capacity.As shown in Figure 3, comprising:
Step 101, radio network controller (Radio Network Controller, RNC) receives radio resource control (Radio Resource Control, RRC) access request.
Step 102, RNC judges the type of access service according to this RRC access request, if RNC receives is data service access request, perform step 103; If what RNC judgement received is speech business access request, perform step 201;
Step 103, as shown in Figure 4, RNC is according to the number of users of mixed carrier in the community of described data service request corresponding requests access access data business and the HSDPA carrier wave definite carrier wave that allows described data service access request access of ratio of the number of users of access data business.If this ratio is less than data service allocation strategy value, carry out 104; If this ratio is more than or equal to this data allocations strategy value, step 105.
Particularly, in the present embodiment as shown in Figure 2, the descending HS-PDCSH time slot of R4 mixed carrier is 2, and the descending HS-PDSCH time slot of HSDPA carrier wave is 3 conventionally, so data service allocation strategy is in the present embodiment: the number of users of single mixed carrier access data business (HSDPA business): the number of users=2:3 of single HSDPA carrier wave access HSDPA business; If this cell configuration N mixed carrier and M HSDPA carrier wave, data service allocation strategy is: N mixed carrier accessed the number of users of HSDPA: M HSDPA carrier wave and accessed HSDPA number of users=2*N:3*M.
Hence one can see that, if in the community of request access, N mixed carrier the number of users of access data business and M HSDPA carrier wave the ratio of the number of users of access data business be less than 2*N:3*M, carry out 104; Otherwise, carry out 105.
For example: be single carrier for example with mixed carrier and H carrier wave, when user 1 accesses, system judges that number of users ratio is 0:0, and higher than 2:3, user 1 is dispatched to H carrier wave; When user 2 accesses, system judges that number of users ratio is 0:1, and user 2 is dispatched to H carrier wave; When user 3 accesses, system judges that number of users ratio is 0:2, and user 3 is dispatched to mixed carrier; By that analogy.
Step 104, RNC determines that allowing the carrier wave of described data service access request access is mixed carrier, and this access request is dispatched to mixed carrier.
Step 105, RNC determines that allowing the carrier wave of described data service access request access is mixed carrier, and this access request is dispatched to HSDPA carrier wave.
In the present embodiment, the R4 of single carrier is adjusted into mixed carrier, and changes TS3 and TS4 into can be used for carrying HDSPA business time slot, so in the time having HDSPA service access, be by this data service access mixed carrier or the problem of HDSPA carrier wave with regard to existing.For this reason, the present embodiment provides the scheme of above-mentioned steps 101-105, and in order to solve in the time that data service accesses, how data service carries out the problem of rational management between different carrier.And, mixed carrier based in the present embodiment only has two time slots for HS-PDSCH, compare the situation of the HS-PDSCH of the few time slot of normal HSDPA carrier wave, institute thinks the perception of assurance user data service speed, data traffic requirement that can priority access low discharge when preferred version comprises mixed carrier data dispatching business is (as QQ, Fetion, the business such as microblogging), in addition, also can be by reducing access customer number under square one, obtain and the normal identical user awareness of HSDPA carrier wave, so proposed in the present embodiment data service allocation strategy, number of users as single carrier mixed carrier access HSDPA business: the number of users of HSDPA carrier wave access is 2:3, RNC carries out reasonable distribution according to the ratio of this 2:3 when scheduling.
Step 106, RNC judges whether ascending time slot TS1 or TS2 are useful on the ascending resource of service access, if judge not for the ascending resource of service access (the present embodiment mention resource mainly refer to channel resource), perform step 107, if be determined with the ascending resource for service access, perform step 110.
Step 107, RNC judges whether to have other up-link carrier that resource can be used, and described other up-link carriers comprise HSDPA carrier wave and the carrier wave except R4 mixed carrier.If judge and do not have, carry out 108; Otherwise carry out 109.
Step 108, RNC is dispatched to described data service access request on other up-link carrier that resource can use, and carries out 110.
Step 109, RNC refuses described data service access request, and the RRC access request in step 101 is rejected foundation.
Step 110, so far uplink channel resources is ready, so again because the channel of TS3 and/or TS4 is shared channel, so RNC can utilize the resource of this TS3 and/or TS4 as the down channel of the described data service of access.The follow-up access that can carry out according to prior art data service, does not need to carry out following step.
Step 201, RNC determines according to the occupation condition of ascending time slot TS1 or TS2 the channel resource that the upstream data service of release takies.
Particularly, this step is: RNC judges the ascending resource that whether is useful on service access on ascending time slot TS1 or TS2, if judge not for the ascending resource of service access, carries out 202; If be determined with the ascending resource for service access, carry out 205.
Whether step 202, judge in upstream data service and exist and can divide stack to discharge the upstream data service of 2 channels by increasing frame; If exist, carry out 203; If travel through after all upstream data services, find not have to divide stack to discharge the upstream data service of 2 channels by increasing frame, carry out 204.
In this step, the above-mentioned existence of mentioning can divide the upstream data service of 2 channels of stack release to refer to by increasing frame: when existing two user A and B upstream data service to take respectively 2 channel DPCH-A11, A12, when DPCH-B11, B12, if can divide stack that the upstream data service of user A is added on DPCH-B11, the B12 of upstream data service of user B by frame; Or divide stack by upper be added to DPCH-A11, the A12 of upstream data service of user A of the upstream data service of user B by frame, can think and have the upstream data service that divides 2 channels of stack release by increasing frame.Because the channel of giving at present user all distributes take 2 DPCH as unit, so if there is the upstream data service that can divide stack to discharge 2 channels by increasing frame, just can discharge 2 channels after stack.For example the upstream data service frame of user B is divided DPCH-A11, the A12 of upstream data service of the user A that is added to upper, user B originally took so DPCH-B11, B12 can be released.
Step 203, can divide stack to discharge the upstream data service reduction of speed of 2 channels by increasing frame, and therefrom discharge 2 channels and access for described speech business.
Step 204, RNC discharges any one and takies 2 upstream data services on channel, and the channel of vacating after discharging is accessed for described speech business.
Step 205, so far, the uplink channel resources of R4 speech business is ready to complete.RNC continues to judge whether descending TS5 and TS6 are useful on the downlink resource of service access, if be determined with the downlink resource for service access, illustrates that down channel resources is also ready to complete, and carries out 206; Otherwise carry out 207.
Step 206, RNC allows described speech business access.
Step 207, RNC refuses described speech business access, and the RRC access request in step 101 is rejected foundation.
Conventionally data service is up at least will take 2 channel resources, in the scheme that the present embodiment provides, for ensureing the priority access of speech business, in the time having speech business access request, RNC is by automatic discrimination uplink code channel resource, if there is the not enough situation of ascending resource, automatically give the data service reduction of speed that can divide stack to discharge 2 channels by increasing frame, and discharge the access of 2 channels for speech business.Find that No Assets can discharge if travel through all data services, when in all data services, provisional capital has only taken 2 code channel resources, the data service of up 2 channels of release busy arbitrarily automatically, vacates code channel resource access speech business.Also be just to say, this programme is in increasing R4 carrier resource utilance, also can ensure that speech business is unaffected, R4 carrier wave is adjusted into after mixed carrier, in the time that DPCH resource is nervous, by emptying in advance data service resource access speech business, network is adjusted data service resource, usage data business high power frame divides mode, channel and up DPCH multiplexer mode are followed in data service, vacate DPCH resource access speech business, or in the direct release portion data service of largest frames timesharing DPCH resource access speech business.
In the said method that the embodiment of the present invention provides, although provided the sequencing of carrying out each step, this order be only of the present invention one preferred embodiment.Obviously, those skilled in the art can carry out diversified equivalent transformation to the execution sequence of the method step according to said method, that is to say that above steps in embodiment of the present invention method or part steps can carry out according to other orders completely, or carry out simultaneously.For example: after execution step 201, if judge not for the ascending resource of service access, directly carry out 204.The execution sequence of each step that therefore said method is described a kind of mode that only limits to provide in embodiment.
Embodiment 2
For the ease of realizing the method in embodiment 1, the present embodiment provides a kind of device of optimized network capacity, and this device can be arranged on the RNC of embodiment 1, or this device can be exactly also a kind of RNC, as shown in Figure 5, comprising: dispensing unit 51, judging unit 52, carrier assigning unit 53.
Dispensing unit 51, is modulated to data and the shared mixed carrier of speech business for receiving by the main carrier of TD network, and the channel of descending free timeslot is changed into the configuration of shared channel;
Judging unit 53, for judging the type of access service according to access request;
Carrier assigning unit 53, for receive in judging unit judgement be data service access request time, according to the number of users of mixed carrier in the community of described data service request wish access access data business and the HSDPA carrier wave definite carrier wave that allows described data service access request access of ratio of the number of users of access data business, this carrier wave comprises mixed carrier and HSDPA carrier wave.
In preferred version, dispensing unit 51, is modulated to mixed carrier specifically for receiving by the R4 carrier wave attribute of speech business in TD network, and the DPCH of descending time slot 3 and time slot 4 these two time slots is changed into the configuration of HS-PDSCH.
Further, this device also comprises: scheduling unit 54, up determining unit 55, descending determining unit 56.
Scheduling unit 54, for determining in carrier assigning unit 53 after the carrier wave that allows described data service access request access, judge whether ascending time slot is useful on the ascending resource of service access, if judge the not ascending resource for service access, described data service access request is dispatched on other up-link carrier that resource can use, described other up-link carriers comprise high-speed downlink packet access HSDPA carrier wave and the carrier wave except R4 mixed carrier; If do not have other up-link carrier that resource can be used, refuse described data service access request.
Up determining unit 55, for judge at judging unit 52 receive be speech business access request time, determine according to the occupation condition of ascending time slot the channel resource that the upstream data service that discharges takies.
Further, up determining unit 55 specifically comprises: cleaning module, for judging the ascending resource that whether is useful on service access on ascending time slot, if judge the not ascending resource for service access, from the upstream data service that can divide stack to discharge 2 channels by increase frame, discharge 2 channels and access for described speech business.Release module, if the upstream data service for not having to divide stack to discharge 2 channels by increasing frame discharges any one and takies the upstream data service of 2 channels, and the channel of vacating after discharging is accessed for described speech business.
Descending determining unit 56, discharge after the up channel for speech business access for clearing up module or release module, judge whether descending time slot 5 and time slot 6 are useful on the downlink resource of service access, if be determined with the downlink resource for service access, allow described speech business access; Otherwise refuse described speech business access.
The device that the present embodiment provides is because R4 carrier wave attribute is adjusted to mixed carrier, TS3 and TS4 configuration change HS-PDSCH into by DPCH, so the resource TS3 of this device and TS4 can carry HSDPA business, TS5 and TS6 still carry R4 business, and then realize two free timeslots that utilize in speech business and done HSDPA business, make full use of R4 carrier resource, the technique effect of the number of users that raising network holds.In addition, this device also has according to speech business access demand, can empty in advance the scheduling of data service resource, guarantees that speech business preferably accesses; And according to user awareness, realize data service and dispatch in the tactful technique effect of number of users ratio rational management and separate service assignment of traffic carrier resource.
The products such as the said apparatus that the embodiment of the present invention provides are to belong to flow and method take computer program as foundation, and according to each step corresponding consistent mode completely of method flow in embodiment of the method 1 and/or accompanying drawing, the functional module providing.And because this functional module is the software service of realizing by the mode of computer program, so functional module of specifically not mentioning for device embodiment 2, owing to considering that the content of recording according to said method embodiment has enough made those skilled in the art determine directly, expectedly and realize the functional module that described step institute must foundation from each process step of method record, so be not repeated herein.
The part that technical scheme of the present invention contributes to prior art in essence is in other words the function embodying with the form of software product, that is to say: even if the function body of its performed method of each equipment of device of the present invention, equipment or composition system or realization is hardware, the part that still in fact realizes above-mentioned functions of the present invention is but module or the unit of computer software product.And this computer software product can be stored in the storage medium can read, as the floppy disk of computer, hard disk or CD etc., comprise that some instructions are in order to make a method described in each embodiment of equipment execution the present invention.
The above, it is only the specific embodiment of the present invention, but the present invention can have multiple multi-form embodiment, above by reference to the accompanying drawings the present invention is illustrated, this does not also mean that the applied embodiment of the present invention can only be confined in these specific embodiments, those skilled in the art should understand, the embodiment that above provided is some examples in multiple preferred implementation, and the embodiment of any embodiment the claims in the present invention all should be within the claims in the present invention scope required for protection; Those skilled in the art can modify to the technical scheme of recording in each embodiment above, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to and replace or improvement etc., within all should being included in the protection range of the claims in the present invention.

Claims (15)

1. the method for an optimized network capacity, it is characterized in that, the main carrier in TD SDMA TD-SCDMA network being modulated to the shared mixed carrier of data and speech business, and the channel of descending free timeslot is changed into after shared channel, the method comprises:
Radio network controller (RNC) judges the type of access service according to access request;
If what RNC received is data service access request, determine according to the number of users of mixed carrier in the community of described data service request wish access access data business and the fast downlink packet access HSDPA carrier wave ratio of the number of users of access data business the carrier wave that described data service access request accesses.
2. method according to claim 1, it is characterized in that, described main carrier in TD-SCDMA network is modulated to data and the shared mixed carrier of speech business, and change the channel of descending free timeslot into shared channel, be specially: the R4 carrier wave attribute of speech business in TD-SCDMA network is modulated to mixed carrier, and changes the DPCH DPCH of descending time slot 3 and time slot 4 these two time slots into high-speed downlink shared channel HS-PDSCH.
3. method according to claim 1 and 2, is characterized in that, when RNC determines that after the carrier wave of described data service access request access, the method also comprises:
RNC judges whether ascending time slot is useful on the ascending resource of service access, if judge the not ascending resource for service access, up, described data service access request is dispatched on other up-link carrier that resource can use, descending, utilize described shared channel to access described data service, wherein, described other up-link carriers comprise HSDPA carrier wave and the mixed carrier except R4 mixed carrier.
4. ask the method described in 3 according to right, it is characterized in that, the method also comprises: if other up-link carrier that has resource to use described in not existing, RNC refuses described data service access request.
5. method according to claim 1 and 2, is characterized in that, the method also comprises:
If what RNC judgement received is speech business access request, determine according to the occupation condition of ascending time slot the channel resource that needs the upstream data service discharging to take.
6. method according to claim 5, is characterized in that, the channel resource that the described upstream data service that really need to discharge according to the occupation condition of ascending time slot takies, specifically comprises:
RNC judges the ascending resource that whether is useful on service access on ascending time slot, if judge the not ascending resource for service access, the upstream data service that divides stack to discharge 2 channels by increasing frame, and described 2 channels of vacating after discharging are accessed for described speech business.
7. method according to claim 6, it is characterized in that, the method also comprises: can divide stack to discharge the upstream data service of 2 channels by increasing frame if do not have, RNC discharges any one and takies the upstream data service of 2 channels, and the channel of vacating after discharging is accessed for described speech business.
8. method according to claim 6, is characterized in that, the method also comprises:
RNC judges whether descending time slot 5 and time slot 6 are useful on the downlink resource of service access, if be determined with the downlink resource for service access, RNC allows described speech business access; Otherwise RNC refuses described speech business access.
9. a device for optimized network capacity, is characterized in that, comprising:
Dispensing unit, is modulated to data and the shared mixed carrier of speech business for receiving by the main carrier of TD network, and the channel of descending free timeslot is changed into the configuration of shared channel;
Judging unit, for judging the type of access service according to access request;
Carrier assigning unit, for receive in judging unit judgement be data service access request time, determine with the HSDPA carrier wave ratio of the number of users of access data business the carrier wave that described data service access request accesses according to the number of users of mixed carrier in the community of described data service request wish access access data business.
10. device according to claim 9, it is characterized in that, described dispensing unit, is modulated to mixed carrier specifically for receiving by the R4 carrier wave attribute of speech business in TD network, and the DPCH of descending time slot 3 and time slot 4 these two time slots is changed into the configuration of HS-PDSCH.
11. according to the device described in claim 9 or 10, it is characterized in that, this device also comprises:
Scheduling unit, for determining in carrier assigning unit after the carrier wave that allows described data service access request access, judge whether ascending time slot is useful on the ascending resource of service access, if judge the not ascending resource for service access, described data service access request is dispatched on other up-link carrier that resource can use, if do not have other up-link carrier that resource can be used, refuse described data service access request; Wherein, described other up-link carriers comprise high-speed downlink packet access HSDPA carrier wave and the carrier wave except R4 mixed carrier.
12. according to the device described in claim 9 or 10, it is characterized in that, this device also comprises:
Up determining unit, for judge at judging unit receive be speech business access request time, determine and need the channel resource that takies of upstream data service that discharges according to the occupation condition of ascending time slot.
13. devices according to claim 12, is characterized in that, described up determining unit specifically comprises:
Cleaning module for judging the ascending resource that whether is useful on service access on ascending time slot, if judge not for the ascending resource of service access, discharges 2 channels and accesses for described speech business from upstream data service.
14. devices according to claim 13, is characterized in that, described up determining unit also comprises:
Release module, if the upstream data service for not having to divide stack to discharge 2 channels by increasing frame discharges any one and takies the upstream data service of 2 channels, and the channel of vacating after discharging is accessed for described speech business.
15. devices according to claim 13, is characterized in that, this device also comprises:
Descending determining unit, for judging whether descending time slot 5 and time slot 6 are useful on the downlink resource of service access, if be determined with the downlink resource for service access, allows described speech business access; Otherwise refuse described speech business access.
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