CN101179512B - Resource scheduling method and equipment - Google Patents
Resource scheduling method and equipment Download PDFInfo
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- CN101179512B CN101179512B CN2007101957299A CN200710195729A CN101179512B CN 101179512 B CN101179512 B CN 101179512B CN 2007101957299 A CN2007101957299 A CN 2007101957299A CN 200710195729 A CN200710195729 A CN 200710195729A CN 101179512 B CN101179512 B CN 101179512B
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Abstract
The embodiment of the invention discloses a resource dispatching method, which includes the steps of dynamically dispatching an initial CE resource of a channel unit and carrying out dispatching for a user terminal according to the initial CE resource. The embodiment of the invention also discloses a device used for resource dispatching. By adopting the embodiment of the invention, a system of dynamically distributing and dispatching channel resource is applied to improve the utilization rate of channel resource and support the performance of a plurality of users under the condition of the same channel resource and the same channel quality.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the method and apparatus of scheduling of resource.
Background technology
CE (Channel Element, Channel Elements), equal the resource that an AMR12.2k speech business (comprising the 3.4k signaling) consumes on base band, basic and SF (the Spreading Factor of the consumption of CE resource, spreading factor) linear increase relation, the high more CE that takies of the speed of support is also many more.The introducing of HSUPA (High Speed Uplink Packet Access, high speed uplink packet inserts) technology makes Base-Band Processing need the professional more Channel Elements of consumption rate R99.On the one hand, the highest support of HSUPA technology 2SF2+2SF4 business, the CE that takies is 6 times of SF4 business.On the other hand, the HARQ of HSUPA (Hybrid Automatic Repeat Request mixes retransmitting) and More Soft Handoff technology have also increased the consumption of CE.Because HSUPA has adopted the HARQ technology, use re-transmission fast in physical layer, reduced the propagation delay time of data, and strengthened the demodulation decoding performance, but the HARQ technology has also increased the consumption of CE resource simultaneously by retransmitting to merge.In addition, HSUPA has also adopted the More Soft Handoff technology to improve up-link capacity, but because when More Soft Handoff, UE (User Equipment, subscriber equipment) sets up a plurality of Radio Links simultaneously with a plurality of sub-districts, has taken many times CE resource.
At present because the traffic data rate of supporting is not high, the number of users that each sub-district is supported is not high yet, so use for the CE resource, traditional method is a fixed allocation, RNC (Radio Network Controller during promptly according to user's link setup, radio network controller) Pei Zhi Maximum Set of E-DPDCHs (E-DCH Dedicated Physical Control Channel, E-DCH Dedicated Physical Control Channel) (maximum E-DPDCHs set) comes Resources allocation.
The inventor finds that there is following problem at least in prior art in realizing process of the present invention:
In the existing resources distribution method, no matter user's actual use speed how, all the maximum resource that may need with the user distributes.Like this, as user during, will cause the serious waste of the CE resource of distribution with very little speed rates.
Summary of the invention
Embodiments of the invention provide a kind of resource regulating method and equipment, are used to realize the dynamic dispatching to terminal speed and channel resource utilance, improving the utilance of resource, thereby support more user.
For achieving the above object, embodiments of the invention provide a kind of resource regulating method, may further comprise the steps:
Dynamic assignment initial channel unit CE resource specifically comprises: distribute initial channel unit CE resource by the up processing capacity entity UPM with scheduling of resource function;
When not having non-scheduling part, initial channel unit CE resource win the confidence assurance bit rate GBR, the maximum bit rate MBR that order issues, the minimum value of the pairing Channel Elements CE of minimal frequency spreading factor MinSF; When non-scheduling part is arranged, the spreading factor SF allocated channel unit CE resource of calculating according to assurance bit rate GBR, schedule information SI message length, the non-scheduling maximum number bits sum of transmitting signaling downwards;
Downlink processing functional entity DPM dispatches user terminal according to the initial CE resource in described initial channel unit.
Embodiments of the invention also provide a kind of scheduling of resource equipment, comprise up processing capacity entity UPM and downlink processing functional entity DPM:
Described up processing capacity entity UPM distributes initial channel unit CE resource;
When not having non-scheduling part, initial channel unit CE resource win the confidence assurance bit rate GBR, the maximum bit rate MBR that order issues, the minimum value of the pairing Channel Elements CE of minimal frequency spreading factor MinSF; When non-scheduling part was arranged, the spreading factor SF that calculates according to assurance bit rate GBR, schedule information SI message length, the non-scheduling maximum number bits sum of transmitting signaling downwards distributed initial channel unit CE resource;
Described downlink processing functional entity DPM: user terminal is dispatched according to described initial channel unit CE resource.
Embodiments of the invention also provide a kind of base station, comprise above scheduling of resource equipment, be used for and user terminal between scheduling of resource.
Compared with prior art, embodiments of the invention have the following advantages:
Utilize dynamic channel resource allocation and scheduling mechanism, can and guarantee under the condition of same channel quality, improve the performance of utilization rate of channel resources, support more users at same channel resource.
Description of drawings
Fig. 1 is the flow chart of resource regulating method in the embodiments of the invention;
Fig. 2 is the flow chart of RG dispatching method in the embodiments of the invention;
Fig. 3 is the flow chart of AG dispatching method in the embodiments of the invention;
Fig. 4 is the signaling process figure of resource regulating method in the embodiments of the invention;
Fig. 5 is the structural representation of base station in the embodiments of the invention.
Embodiment
Below in conjunction with drawings and Examples, embodiments of the present invention are described further.
Embodiments of the invention provide a kind of resource regulating method, are applied to have the access device and the user terminal of scheduling of resource function.Below be that the base station is that example describes with access device with scheduling of resource function.This method may further comprise the steps as shown in Figure 1:
Step s101, the initial CE resource of base station dynamic assignment.
Wherein, NodeB (base station) logically can be further divided into two functional entitys, be UPM (Uplink Processing Module, uplink processing module) and DPM (Downlink Processing Module, the downlink processing module), these two functional entitys are independent functional entity on NodeB, finish different functions respectively.Wherein, UPM is used for resource to be handled, and DPM is used for scheduling to be handled
In this step, the distribution of up CE resource is finished by the UPM of base station.Up CE resource is being carried out the branch timing, is not to distribute according to the required maximum resource of UE, is not only only to consider dispatching services yet, but simultaneously in conjunction with dispatching services and non-scheduling service.Under the situation of having considered two kinds of professional combinations, the method for this dynamic CE resource allocation has realized to have guaranteed fully to have improved the efficient of the utilization of resources in conjunction with the Dynamic Resource Allocation for Multimedia under scheduling and the non-scheduling service under the condition of distributing lower CE resource.
Dispatch user terminal according to this initial CE resource information step s102, base station.
In this step,, can reduce the waste of CE resource because the initial CE resource that step s101 is distributed is dispatched UE according to this initial CE resource information according to the actual conditions dynamic assignment.Further, the base station also can be dynamic scheduling according to this initial CE resource information to the scheduling that UE carries out, be specially: the DPM of base station is according to the requesting data information of the transmission of up CE resource information and UE, UE is carried out dynamic RG (Relative Grant, relative authorization) or AG (Absolute Grant, absolute grant) scheduling.RG herein or AG scheduling is the base station by after up CE resource information and requesting data information that UE sent are taken all factors into consideration, to the slow lifting or the fast lifting of the up transmission rate of UE, to obtain further making full use of the CE resource.
Dispatch for RG: UPM also is the CE number of resources and distributes respective resources that according to the SF after the data message calculating RG UP of the UE that receives then the resource information of distributing is sent to DPM, DPM can carry out the RG scheduling to UE.
Dispatch for AG: because the number of resources of RG UP may not satisfy the requirement of UE rate request, as SI (the Scheduling Information of DPM according to UE, schedule information) information is judged in the time of need carrying out AG UP scheduling, need send resource request to UPM, UPM distributes corresponding C E resource according to request, notifies DPM to carry out AG UP scheduling after having assigned and handles.Realize the scheduling of base station by above-mentioned RG and AG dual mode to UE.
After above-mentioned RG scheduling or AG finishing scheduling, the base station can continue to continue the above-mentioned process that UE is carried out dynamic dispatching according to the request msg of UE and the variation of channel resource, guarantees channel quality.
In the embodiments of the invention, the flow process of RG scheduling may further comprise the steps as shown in Figure 2:
Step s201, UPM original allocation CE.
Step s202, UPM receive the data and the schedule information of UE transmission and send to DPM.
Step s203, UPM carry out RG UP resource to be handled.
The result that step s204, DPM handle according to RG UP resource is carried out RG UP scheduling and is handled.
In the embodiments of the invention, the flow process of AG scheduling may further comprise the steps as shown in Figure 3:
Step s301, UPM original allocation CE.
Step s302, UPM receive the data and the schedule information of UE transmission and send to DPM.
Step s303, UPM carry out RG UP resource to be handled.
Step s304, DPM judge that according to the request of UE needs carry out AG UP and handle, and the request of transmission information is to UPM.
Step s305, UPM distribute the CE resource according to AG UP solicited message, have assigned the back and have sent response message to DPM.
The response message that step s306, DPM send according to UPM is carried out AG UP scheduling to UE and is handled.
Below in conjunction with a concrete application scenarios, the execution mode of a kind of scheduling of resource in the embodiments of the invention is described, as shown in Figure 4, may further comprise the steps:
Step s401, UPM original allocation CE.
Concrete, UPM is according to GBR (the Guaranteed Bit Rate of transmitting signaling downwards, the assurance bit rate), MBR (Maximum Bit Rate, maximum bit rate), MinSF (Minimum SF, minimal frequency spreading factor) and non-scheduling maximum number bits calculation of parameter.
When not having non-scheduling part, initial CE gets the minimum value of GBR, MBR, the corresponding CE of MinSF;
When non-scheduling part is arranged, consider that GBR is as guaranteeing bit rate generally speaking, corresponding CE number is less than the corresponding CE number of MBR, MinSF, and therefore the SF that calculates according to GBR, SI message length, non-scheduling maximum sum distributes initial CE.
Step s402, DPM use the GBR calculation of parameter initial SG (SchedulingGrant, scheduling authorization) of above-mentioned transmitting signaling downwards to come UE is dispatched.
Step s403, UE send data and SI to UPM.UPM demodulates ETFCI (E-DCH Transport Format Combination Indicator, the indication of E-DCH Channel Transmission format combination), separate MAC-e (Medium Access Control-e after the demodulation coding data, the access control of E-DCH channel medium) packet calculates scheduling ETFCI partly
Sch(removing non-scheduling part and SI) sends to DPM.
Step s404, UPM carry out RG UP resource to be handled.
UPM carries out RG UP reservation process to the CE resource in periodic scheduling is handled, the SF behind the calculating RG UP.After considering to have non-scheduling service, UPM to solve the MAC-e bag, calculate the ETFCI of scheduling part
Sch(removing non-scheduling part and SI) is at ETFCI
SchThe basis on calculate corresponding ETFCI behind the RG UP
Up, calculate corresponding SG then
Up, get SG
UpThe corresponding needed CE of maximum ETFCI counts reserved resource, and corresponding TB (Transport Block, transmission block) size is added non-scheduling maximum and SI, calculates corresponding SF then, distributes the CE resource.When Resources allocation,, then will send to DPM, otherwise send the SF that calculates gained according to the SF that the CE resource is determined if the CE resource can't satisfy the requirement of the SF that calculates gained.
Step s405, DPM are according to ETFCI
SchRequired SF behind the calculating RG UP if be no more than the SF of the distribution of UPM transmission, then can send RG UP to UE according to the scheduling needs and come uplift rate.
More than send the process that RG UP comes uplift rate to UE for DPM.
Except said process, DPM also may take place send the process that AG UP comes uplift rate to UE.This process as shown in Figure 4.
Wherein, step s411～s414 is not repeated in this description at this with above-mentioned s401～s404.
Step s415, determine that according to the SI of UE request (the SI information acquisition that UE sends in by step s413) needing to send AG carry out uplift rate as DPM, be that RG UP uplift rate can not satisfy the demands constantly more slowly, DPM sends the AGUP request to UPM, carries the ETFCI of dispatch request in request.
Step s416, UPM distribute the CE resource according to AG UP solicited message, carrying out AG UP handles, promptly according to TB block length, SI message length and the non-scheduling maximum value calculation SF of the ETFCI correspondence of request and distribute CE, UPM carries the SF that CE is allocated successfully sign and distributes in the AG UP response of giving DPM.
After step s417, CE were allocated successfully, DPM can send AG UP to UE according to the SF that distributes and come lifting UE speed.
By the said method that embodiments of the invention provide, utilize above resource allocation and scheduling mechanism, can carry out dynamic dispatching to the speed of UE effectively, and consider that UE has the resource of having utilized the CE of UPM under the non-scheduling service situation efficiently.
Embodiments of the invention provide a kind of scheduling of resource equipment, comprising: up processing capacity entity UPM and downlink processing functional entity DPM, concrete structure as shown in Figure 5, wherein:
UPM 10, are used for up link demodulation coding Base-Band Processing, also comprise the dynamic assignment of Radio Resource is handled.The CE resource that this module dynamic assignment UE uses, the data that reception UE sends are also resolved, and the UE schedule information of CE resource allocation information and parsing is sent to DPM 20.Wherein, UPM10 is carrying out the branch timing to up CE resource, is not to distribute according to the required maximum resource of UE, also is not only only to consider dispatching services, but simultaneously in conjunction with dispatching services and non-scheduling service.Under the situation of having considered two kinds of professional combinations, the method for this dynamic CE resource allocation has realized to have guaranteed fully to have improved the efficient of the utilization of resources in conjunction with the Dynamic Resource Allocation for Multimedia under scheduling and the non-scheduling service under the condition of distributing lower CE resource.
DPM 20, are used for down link coded modulation Base-Band Processing, also comprise the scheduling of UE resource is handled.Because according to the actual conditions dynamic assignment, so DPM20 dispatched UE according to this initial CE resource information, can reduce the waste of CE resource when UPM 10 distributed initial CE resource.Further, DPM 20 can also be used to receive resource allocation information that UPM sends and UE schedule information and other up process informations UE is carried out dynamic dispatching, be specially: DPM 20 is according to the requesting data information of the transmission of up CE resource information and UE, UE is carried out dynamic RG or AG scheduling, to the slow lifting or the fast lifting of the up transmission rate of UE, to obtain further making full use of to the CE resource.
When the requesting data information of DPM20 according to the transmission of up CE resource information and UE, when UE is carried out dynamic RG or AG scheduling,
UPM 10 specifically comprises:
Initial CE resource allocation unit 11 is used to distribute initial CE resource; Concrete, distribute initial CE resource according in assurance bit rate GBR, maximum bit rate MBR, minimal frequency spreading factor MinSF and the non-scheduling maximum number bits parameter of transmitting signaling downwards one or more; When not having non-scheduling part, initial CE gets the minimum value of described GBR, MBR, the corresponding CE of MinSF; When non-scheduling part was arranged, the SF that calculates according to described GBR, SI message length, non-scheduling maximum number bits sum distributed initial CE resource.
RG UP processing unit 12 is used for initial CE resource is carried out the processing of RG UP resource and result is sent to DPM 20;
AG UP processing unit 13 is used for distributing the CE resource and sending response to DPM 20 according to the AG UP solicited message of DPM 20.
DPM 20 specifically comprises:
Judging unit 21 is used for judging user terminal being carried out RG or AG scheduling according to the data of user terminal and the RG UP result of schedule information and UPM 10 transmissions;
RG UP processing unit 22 is used for when judging unit 21 is judged as user terminal being carried out RG when scheduling, sends RG UP message to described user terminal, promotes the speed of described user terminal;
AG UP processing unit 23, be used for user terminal being carried out AG when scheduling when judging unit 21 is judged as, send AG UP solicited message to UPM 10, and send AG UP message to described user terminal, promote the speed of described user terminal according to the response message that UPM 10 sends.
The embodiment of the invention also provides a kind of base station, comprises the scheduling of resource equipment of describing among the above embodiment.
By the said equipment that embodiments of the invention provide, utilize above resource allocation and scheduling mechanism, can carry out dynamic dispatching to the speed of UE effectively, and consider that UE has the resource of having utilized the CE of UPM under the non-scheduling service situation efficiently.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprises that some instructions are used so that an equipment is carried out the described method of each embodiment of the present invention.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (9)
1. a resource regulating method is characterized in that, may further comprise the steps:
Dynamic assignment initial channel unit CE resource specifically comprises: distribute initial channel unit CE resource by the up processing capacity entity UPM with scheduling of resource function;
When not having non-scheduling part, initial channel unit CE resource win the confidence assurance bit rate GBR, the maximum bit rate MBR that order issues, the minimum value of the pairing Channel Elements CE of minimal frequency spreading factor MinSF;
When non-scheduling part was arranged, the spreading factor SF that calculates according to assurance bit rate GBR, schedule information SI message length, the non-scheduling maximum number bits sum of transmitting signaling downwards distributed initial channel unit CE resource;
Downlink processing functional entity DPM dispatches user terminal according to described initial channel unit CE resource.
2. resource regulating method according to claim 1 is characterized in that the initial CE resource of described basis is dispatched user terminal and is specially:
UPM with scheduling of resource function receives the data and the schedule information of user terminal transmission and sends to the downlink processing functional entity DPM with scheduling of resource function;
Described UPM carries out relative authorization lifting RG UP resource to described initial channel unit CE resource to be handled;
Described DPM carries out dynamic relative authorization RG or absolute grant AG scheduling according to the result of described relative authorization lifting RG UP processing and the data and the schedule information of described user terminal to described user terminal.
3. as resource regulating method as described in the claim 2, it is characterized in that, described DPM carries out dynamic relative authorization RG scheduling to described user terminal and is specially according to the result of described relative authorization lifting RG UP processing and the data and the schedule information of described user terminal:
The spreading factor SF that described DPM obtains according to the data and the schedule information of described user terminal when being no more than the spreading factor SF in the described relative authorization lifting RG UP result, being judged as described user terminal is carried out the RG scheduling;
Described DPM sends relative authorization lifting RG UP message to described user terminal, promotes the speed of described user terminal.
4. as resource regulating method as described in the claim 2, it is characterized in that, described DPM carries out dynamic absolute grant AG scheduling to described user terminal and is specially according to the result of described relative authorization lifting RG UP processing and the data and the schedule information of described user terminal:
Described DPM judges that according to the data of described user terminal and the result of schedule information and described relative authorization lifting RG UP processing the resource of relative authorization lifting RG UP can't satisfy the request of described user terminal;
Described DPM sends absolute grant lifting AG UP solicited message to UPM;
Described DPM receives the response message that described UPM sends, and sends absolute grant lifting AG UP message according to described response message to described user terminal, promotes the speed of described user terminal.
5. a scheduling of resource equipment is characterized in that, comprises up processing capacity entity UPM and downlink processing functional entity DPM:
Described up processing capacity entity UPM distributes initial channel unit CE resource;
When not having non-scheduling part, initial channel unit CE resource win the confidence assurance bit rate GBR, the maximum bit rate MBR that order issues, the minimum value of the pairing Channel Elements CE of minimal frequency spreading factor MinSF;
When non-scheduling part was arranged, the spreading factor SF that calculates according to assurance bit rate GBR, schedule information SI message length, the non-scheduling maximum number bits sum of transmitting signaling downwards distributed initial channel unit CE resource;
Described downlink processing functional entity DPM: user terminal is dispatched according to described initial channel unit CE resource.
6. as scheduling of resource equipment as described in the claim 5, it is characterized in that, specifically comprise:
Up processing capacity entity UPM receives the data and the schedule information of user terminal transmission and resolves, and the data of the user terminal of described resource allocation information and parsing and schedule information are sent to downlink processing functional entity DPM;
Downlink processing functional entity DPM is used to receive and the resource allocation information that sends according to described UPM and the data and the schedule information of user terminal, and described user terminal is carried out dynamic RG or AG scheduling, adjusts the speed of described user terminal.
7. as scheduling of resource equipment as described in the claim 6, it is characterized in that,
Specifically comprise among the described up processing capacity entity UPM:
Relative authorization lifting RG UP processing unit is used for described initial CE resource is carried out the processing of relative authorization lifting RG UP resource and result is sent to described DPM;
Absolute grant lifting AG UP processing unit is used for distributing the CE resource and sending response to described DPM according to the absolute grant lifting AG UP solicited message of described DPM.
8. as scheduling of resource equipment as described in the claim 6, it is characterized in that described downlink processing functional entity DPM specifically comprises:
Judging unit is used for judging described user terminal being carried out dynamic RG or AG scheduling according to the data of user terminal and the relative authorization lifting RG UP result of schedule information and described UPM transmission;
Relative authorization lifting RG UP processing unit is used for sending relative authorization lifting RG UP message to described user terminal when described judgment unit judges is dispatched for user terminal being carried out RG, promotes the speed of described user terminal;
Absolute grant lifting AG UP processing unit, be used for when described judgment unit judges is dispatched for user terminal being carried out AG, send absolute grant lifting AG UP solicited message to UPM, and send absolute grant lifting AG UP message to described user terminal according to the response message that described UPM sends, promote the speed of described user terminal.
9. a base station is characterized in that, comprises as each described scheduling of resource equipment in the claim 5～8, be used to realize and user terminal between scheduling of resource.
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| CN101389114B (en) * | 2008-10-24 | 2011-11-16 | 华为技术有限公司 | Channel unit distribution method, base station and radio network controller |
| CN101626619B (en) * | 2009-08-04 | 2011-07-20 | 中国联合网络通信集团有限公司 | CE configuration method and CE configuration system of mobile communication equipment |
| CN103686786B (en) * | 2012-09-25 | 2017-07-18 | 中国电信股份有限公司 | The method and database Analysis server of dynamic adjustment base station CE resources |
| CN105744624B (en) * | 2014-12-09 | 2021-05-04 | 中兴通讯股份有限公司 | Uplink channel resource control method and device |
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| KR20010000796A (en) * | 2000-10-19 | 2001-01-05 | 이진섭 | CDMA Digital Distribution System using Active Channel Switching |
| CN1430366A (en) * | 2001-12-29 | 2003-07-16 | 深圳市中兴通讯股份有限公司 | Method and device of continuous channet unit dispatching used in CDMA system |
| CN1625089A (en) * | 2003-12-03 | 2005-06-08 | 上海贝尔阿尔卡特股份有限公司 | Method of realizing dynamic quickly regulating for HSDPA system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20010000796A (en) * | 2000-10-19 | 2001-01-05 | 이진섭 | CDMA Digital Distribution System using Active Channel Switching |
| CN1430366A (en) * | 2001-12-29 | 2003-07-16 | 深圳市中兴通讯股份有限公司 | Method and device of continuous channet unit dispatching used in CDMA system |
| CN1625089A (en) * | 2003-12-03 | 2005-06-08 | 上海贝尔阿尔卡特股份有限公司 | Method of realizing dynamic quickly regulating for HSDPA system |
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