CN101742667A - Distributed resource scheduling method and system, base station and relay - Google Patents
Distributed resource scheduling method and system, base station and relay Download PDFInfo
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Abstract
The invention discloses a distributed resource scheduling method and a system, a base station and a relay point, and the method is applied in a mobile communication system comprising the relay point and comprises the following operation steps: acquiring a first scheduling message of one or multiple base station domain user terminals and a second scheduling message of one or multiple relay points by the base station; and performing priority sorting on the one or multiple base station domain user terminals and one or multiple relay points by the base station according to the first scheduling message and the second scheduling message, and carrying out resource scheduling according to the priority sequence. The invention can realize effective resource distribution.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of distributed resource scheduling method and system, base station and relay station.
Background technology
At present, the demand for development of mobile communication supports that more high transfer rate, more perfect signal cover and higher resource utilization.In order to realize high transfer rate, communication system will adopt more high frequency band transmission signals, but on the other hand, high-frequency will be brought bigger path loss, and then influence the network coverage.For the purpose that realizes effectively improving the network coverage, improves network capacity and resource utilization, in communication system, introduced relaying (Relay) technology.
Relaying technique is regarded as the key technology of 4G, after introducing relaying technique, the structure of network can produce change, relay station (the Relay Station that adds, abbreviate RS as) need use the subnetwork resource owing to carry out relay services, therefore (the Base Station in the base station, abbreviate BS as), RS and user terminal (User Equipment, abbreviate UE as) between coordinated scheduling resource how, limited running time-frequency resource is fully used, and improving resource utilization is the problem that the relay system resource dispatching strategy need solve.
Under the scheduling mode of traditional mobile communications network, calculate each user's priority valve according to certain dispatching algorithm to factors such as link-quality the user and customer service types according to BS by BS, size according to priority valve sorts then, resource allocation is given the user of corresponding priority valve maximum, for example, top dispatching algorithm can be the maximum method of throughput of system, polling algorithm, equitable proportion algorithm etc.Because variation has taken place mobile communication network structure after adding RS, traditional wireless resource scheduling strategy no longer is applicable to junction network, therefore needs to propose to be applicable to the scheduling method for wireless resource of the network that has RS.
In the network of introducing RS, the scheduling of resource mode is divided into two kinds: a kind of is distributed scheduling, another kind is a centralized scheduling, wherein, distributed scheduling is applicable to the RS with independent scheduling resource ability, BS can independently dispatch this part resource for RS, RS the part resource division and is used to and is in that the user provides service in the RS coverage; Under the centralized scheduling mode, carry out the distribution of resource by BS is unified, RS itself does not have the authority of Resources allocation, is merely able to carry out relay services according to the scheduling of BS.In real system, can select distributed scheduling or centralized scheduling mode to handle according to the RS function of selecting for use and the difference of network demand.
Fig. 1 is the schematic diagram according to the network configuration behind the correlation technique introducing RS, and as shown in Figure 1, in the system after introducing RS, the user who accepts service is divided into two classes: a class is BS territory user, and another kind of is the relay domain user; Wherein, BS territory user is meant the user who directly communicates with BS, and relay domain user is meant that through the forwarding of RS and the user that BS communicates the user belongs to the BS territory or relay domain is carried out the access control judgement by BS according to measurement of correlation.The Linktype of resource to be allocated has: link between link, RS and relay domain user between link, BS and RS between BS and BS territory user.Under the distributed scheduling method, require RS to possess the ability of independent scheduling resource, BS is that RS divides the part resource and used by RS self scheduling, and for BS arrives RS link and BS to BS territory user link Resources allocation, but RS carries out resource allocation for RS and relay domain user link in self scheduling resource.
In the mobile communications network of introducing RS, present resource allocation and scheduling scheme are as follows: in the relay system scheduling process, BS acquisition user's scheduling relevant information (for example, channel quality etc.), and, by RS the data relaying is transmitted to the targeted customer at last according to dispatching relevant information for the user dispatches respective resources and relevant relay transmission preparation.
Said method has solved the problem that traditional wireless dispatching strategy can't directly apply to relay system, has proposed to introduce behind the RS relay domain user's resource regulating method, and still, this method has the following disadvantages at least:
(1) this method has only been considered relay domain user's resource allocation, and does not consider how BS territory and relay domain user are dispatched jointly.
(2) this method has only been considered the scheduling of resource from RS to the relay domain user, and does not have to consider how to distribute the resource of BS to the RS link.
Summary of the invention
At considering at present how BS territory and relay domain user are not dispatched jointly, and how to distribute BS to the problem of resource of RS link and propose the present invention, for this reason, the present invention aims to provide a kind of distributed resource scheduling method and system, base station and relay station, to address the above problem.
According to an aspect of the present invention, provide a kind of distributed resource scheduling method.
According to distributed resource scheduling method of the present invention, be applied to comprise the mobile communication system of relay station, this method comprises: the base station obtains first schedule information of one or more base station field user terminal to be scheduled and second schedule information of one or more relay stations; The base station is carried out prioritization according to first schedule information and second schedule information to one or more base station field user terminal and one or more relay station, and carries out scheduling of resource according to the prioritization result.
Preferably, first schedule information comprises one of following or its combination at least: the channel condition of base station field user terminal, type of service to be transmitted, data to be transmitted amount, stand-by period.
Preferably, second schedule information comprises one of following or its combination at least: the data to be transmitted amount between base station and relay station, type of service to be transmitted, channel condition.
Preferably, data volume waiting for transmission comprises between base station and relay station: new transmitted data amount, the descending re-transmission of needs and be stored in the data retransmission amount for the treatment of of base station and the data volume that needs uplink retransmission between relay station and base station.
Preferably, before the base station obtains first schedule information and second schedule information, said method also comprises: relay station obtains the 3rd schedule information of one or more relay field user terminal, wherein, the 3rd schedule information comprises: the channel condition between relay station and relay field user terminal, type of service to be transmitted, data to be transmitted amount, stand-by period.
Preferably, after relay station obtained the 3rd schedule information of one or more relay field user terminal, said method also comprised: relay station carries out prioritization according to the 3rd schedule information to relay field user terminal; Relay station is given relay field user terminal according to the prioritization result with self schedulable resource allocation; Relay station statistics allocation result, and therefrom obtain schedule information of giving the base station to be reported.
According to another aspect of the present invention, provide a kind of base station.
Base station according to the present invention comprises: first acquisition module is used to obtain first schedule information of one or more base station field user terminal to be scheduled; Second acquisition module is used to obtain second schedule information of one or more relay stations to be scheduled; The first prioritization module is used for according to first schedule information and second schedule information one or more base station field user terminal and one or more relay station being carried out prioritization; First resource distribution module is used for carrying out resource allocation according to the prioritization result of the first prioritization module.
According to another aspect of the present invention, also provide a kind of relay station.
Relay station according to the present invention comprises: the 3rd acquisition module, be used to obtain the 3rd schedule information of one or more relay field user terminal, wherein, the 3rd schedule information comprises: the channel condition between relay station and relay field user terminal, type of service to be transmitted, data to be transmitted amount, stand-by period; The second prioritization module is used for according to the 3rd schedule information relay field user terminal being carried out prioritization; Second resource distribution module is used for relay station and gives relay field user terminal according to the prioritization result of the second prioritization module with self schedulable resource allocation.
Preferably, above-mentioned relay station also comprises: statistical module, the allocation result that is used to add up second resource distribution module; The 4th acquisition module is used for obtaining schedule information of giving the base station to be reported from the allocation result of statistical module counts.
According to another aspect of the present invention, also provide a kind of system of distributed resource scheduling.
System of distributed resource scheduling according to the present invention comprises base station and relay station, and wherein the base station comprises: first acquisition module is used to obtain first schedule information of one or more base station field user terminal to be scheduled; Second acquisition module is used to obtain second schedule information of one or more relay stations; The first prioritization module is used for according to first schedule information and second schedule information one or more base station field user terminal and one or more relay station being carried out prioritization; First resource distribution module is used for carrying out resource allocation according to the prioritization result of the first prioritization module.Relay station comprises: the 3rd acquisition module, be used to obtain the 3rd schedule information of one or more relay field user terminal, wherein, the 3rd schedule information comprises: the channel condition between relay station and relay field user terminal, type of service to be transmitted, data to be transmitted amount, stand-by period; The second prioritization module is used for according to the 3rd schedule information relay field user terminal being carried out prioritization; Second resource distribution module is used for relay station and gives relay field user terminal according to the prioritization result of the second prioritization module with self schedulable resource allocation.
By the present invention, the base station is according to the schedule information of base station field user terminal and relay station is carried out prioritization, and base station field user terminal and relay station are carried out scheduling of resource according to the prioritization result, having solved does not have to consider how to distribute the problem of resource of BS to the RS link at present, and then has realized resources effective is distributed.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the network configuration behind the correlation technique introducing relay station;
Fig. 2 is the flow chart according to the distributed resource scheduling method of the embodiment of the invention;
Fig. 3 is the detail flowchart according to the distributed resource scheduling method of the embodiment of the invention;
Fig. 4 is the schematic diagram of dividing according to the system resource of the embodiment of the invention;
Fig. 5 is the particular flow sheet according to the scheduling of resource flow process distributed resource scheduling method of the embodiment of the invention;
Fig. 6 is the schematic diagram according to the system resource scheduling result of the embodiment of the invention;
Fig. 7 is the structured flowchart according to the base station of the embodiment of the invention;
Fig. 8 is the structured flowchart according to the relay station of the embodiment of the invention;
Fig. 9 is the preferred structure block diagram according to the relay station of the embodiment of the invention;
Figure 10 is the structured flowchart according to the system of distributed resource scheduling of the embodiment of the invention.
Embodiment
Functional overview
Consider not consider at present how BS territory and relay domain user are dispatched jointly, and how to distribute the problem of resource of BS to the RS link, the embodiment of the invention provides the distributed resource scheduling that is used for relay system scheme, divide the part resource for RS self scheduling by BS, be used for the transmission of link between RS and relay domain UE, the BS of BS scheduling simultaneously to RS and BS to BS territory UE link circuit resource.According to the equal principle of volume of transmitted data, taken all factors into consideration the coordinated scheduling of BS territory UE and relay domain UE, overcome because of the higher problem that makes another territory UE can't obtain resource allocation of a certain territory UE priority, can be provided with flexibly resource division ratio, relay station priority valve according to network design demand and performance requirement simultaneously, reached and effectively taken into account all UE scheduling fairness in the dispatching cell resource, the efficient allocation local resource, the effect that effectively improves resource utilization.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Method embodiment
According to embodiments of the invention, provide a kind of distributed resource scheduling method to be applied to comprise the mobile communication system of RS.Fig. 2 is the flow chart according to the distributed resource scheduling method of the embodiment of the invention, and as shown in Figure 2, this method comprises following step S202 and step S204, and concrete operations are as follows:
Step S202, BS obtain first schedule information of one or more BS territory UE to be scheduled and second schedule information of one or more RS.
Particularly, BS can obtain first schedule information by the information of measuring and BS territory UE reports, BS can obtain second schedule information by the information of measuring and RS reports, wherein first schedule information comprises one of following or its combination at least: the channel condition of BS territory UE, type of service to be transmitted, data to be transmitted amount, stand-by period, second schedule information comprises data to be transmitted amount, type of service to be transmitted, the channel condition between one of following or its combination: BS and RS at least.The data to be transmitted amount comprises between BS and RS: new transmitted data amount, the descending re-transmission of needs and be stored in the data retransmission amount for the treatment of of BS and the data volume that needs uplink retransmission between RS and BS.
Step S204, BS carries out prioritization according to first schedule information and second schedule information to one or more BS territory UE and one or more RS, and carries out scheduling of resource according to the prioritization result.
In addition, before step S202, this method comprises that also following operation: RS obtains the 3rd schedule information of relay domain UE, and wherein, the 3rd schedule information comprises: the channel condition between RS and relay domain UE, type of service to be transmitted, data to be transmitted amount, stand-by period; RS carries out prioritization according to the 3rd schedule information to relay domain UE; RS gives relay domain UE according to the prioritization result with self schedulable resource allocation; RS adds up allocation result, and therefrom obtains schedule information of giving BS to be reported, and the schedule information here is the partial information in above-mentioned second schedule information.
By the present invention, BS is according to the schedule information of BS territory UE and relay station is united prioritization, and BS territory UE and relay station are carried out scheduling of resource according to the prioritization result, having solved does not have to consider how to distribute the problem of resource of BS to the RS link at present, and then has realized resources effective is distributed.
The embodiment of the invention has proposed a kind ofly to divide the part resource for RS self scheduling by BS, is used to relay domain UE that relay services is provided, the distributed scheduling algorithm of the BS of BS scheduling simultaneously to RS and BS to BS territory UE link circuit resource.Wherein, according to the equal principle of volume of transmitted data, taken all factors into consideration the coordinated scheduling of BS territory UE and relay domain UE, solved in relay system scheduling between relay domain UE and BS territory UE has been lacked the fairness consideration, and to BS to the irrational problem of resource allocation between RS, reach intra-cell resource is effectively distributed, improve the effect of resource utilization.
At first, BS divides a part of resource and gives RS in system's available resources, and this part resource is by RS self scheduling, and UE provides relay services for relay domain.
Fig. 3 is the detail flowchart according to the distributed resource scheduling method of the embodiment of the invention, and as shown in Figure 3, this method comprises following step S302 to step S322, and concrete operations are as follows:
The scheduling of resource process of RS comprises that following step S302 is to step S308:
Step S302, RS obtains the schedule information of relay domain UE; Particularly, RS treats the scheduling relevant information of the relay domain UE of relay services according to acquisitions such as measurement reports, and the scheduling relevant information here comprises that RS is to the channel condition between UE, type of service to be transmitted, data volume, stand-by period etc.
Step S304, RS are according to above-mentioned schedule information, and using certain dispatching algorithm is that relay domain UE to be scheduled carries out prioritization.Particularly, RS calculates the priority valve of the relay domain UE treat relay services according to dispatching algorithm, and sorts according to the preferred value size.
Step S306, RS distributes to each UE according to the prioritization result in regular turn with self schedulable resource, finishes the scheduling of resource to link between RS and relay domain UE;
Step S308, RS is according to above-mentioned scheduling result, add up and obtain data quantity transmitted between need and BS, reach scheduling relevant informations such as corresponding business type, and obtaining channel condition by measurement, reporting of scheduling information (SI) such as data quantity transmitted, type of service, channel condition are given BS between need that will obtain and BS then.
Particularly, RS adds up needing transmitted data amount between RS and BS, and wherein, the data volume of statistics comprises new biography data volume between RS and BS, needs descending re-transmission and is stored in the data retransmission amount for the treatment of of BS and the data volume that needs uplink retransmission; RS statistics data to be transmitted corresponding service type; Scheduling relevant information such as channel condition reports BS between the data to be transmitted amount that RS obtains statistics and corresponding service type, BS and RS.
The scheduling of resource process of BS comprises that following step S310 is to step S316:
Step S310, BS obtain the scheduling relevant information (that is, above-mentioned step S202) of RS; Particularly, BS obtains the scheduling relevant information of RS by the modes such as reporting information of RS, and the scheduling relevant information here comprises data to be transmitted amount between BS and RS, data service type, channel condition etc.
Step S312, BS obtain the scheduling relevant information (that is, above-mentioned step S202) of BS to be scheduled territory UE; Particularly, BS obtains the scheduling relevant information of BS to be scheduled territory UE by the modes such as reporting information of BS territory UE, comprises channel condition, type of service, data volume, stand-by period etc.
Step S314, BS uses certain dispatching algorithm BS to be scheduled territory UE and RS to be carried out the ordering of uniting of priority according to the scheduling relevant information of above-mentioned acquisition, wherein RS can be considered as special UE, in dispatching algorithm, its priority is carried out certain weighted, concrete weights can be by default (that is, above-mentioned step S204).
Step S316, BS be according to the prioritization result, with BS can with resource according to priority order distribute to each BS territory UE and RS (that is, above-mentioned step S204) successively.
Obtain scheduling result according to the scheduling of resource process of above-mentioned RS and the scheduling of resource process of BS, carry out following step S318 then to step S322, concrete operations are as follows:
Step S318, BS carries out transfer of data according to scheduling result and RS.
Step S320, BS carries out transfer of data according to scheduling result and BS territory UE.
Step S322, RS carries out transfer of data according to scheduling result and relay domain UE.
By this embodiment, take all factors into consideration BS territory user and relay domain user's fairness, provide to BS to RS, BS to BS territory user, RS carries out the distributed scheduling algorithm of coordinated scheduling to three links of relay domain user, and system resource is effectively distributed, and improved resource utilization.
Further specify in order more clearly to explain the technical scheme that the embodiment of the invention proposes, below the present invention to be applied in the instantiation.Below with the example that is scheduling to of downlink resource, the implementation procedure of the embodiment of the invention is elaborated.
Fig. 4 is the schematic diagram of dividing according to the system resource of the embodiment of the invention, as shown in Figure 4, supposing the system comprises a RS, and system has 10 Resource Block, and Resource Block is numbered No. 0 to No. 9, serve 5 UE, UE0, UE1 are BS territory UE, and UE2, UE3, UE4 are relay domain UE, and BS is that preceding 4 resource block assignments are given RS with No. 0 to No. 3, dispatch use voluntarily by RS, No. 4 to No. 9 Resource Block is used by the BS scheduling.
Fig. 5 is the particular flow sheet to downlink resource distributed scheduling method according to the embodiment of the invention, and as shown in Figure 5, this method comprises following step S502 to step S520, and concrete operations are as follows:
The scheduling of resource process of RS comprises that following step S502 is to step S508:
Step S502, suppose relay territory UE2, UE3, UE4 have the transfer of data demand, and wherein, UE2, UE4 are the data re-transmission demand, and UE3 is the new biography demand data; RS obtains the scheduling relevant information of UE2, UE3, UE4, and the scheduling relevant information here comprises that RS arrives information such as the channel condition of each UE, type of service, stand-by period.
Step S504, RS carries out prioritization according to dispatching algorithm to each UE, and the ranking results that obtains each UE is p
2＞p
4＞p
3
Step S506, RS distributes resource according to this prioritization, and allocation result is
Wherein, on be designated as Resource Block numbering, be designated as this Resource Block down under UE number.UE2 distributes acquisition Resource Block 1,3, and UE3 distributes acquisition Resource Block 2, and the UE4 distribution obtains Resource Block 0.
Step S508, information such as data quantity transmitted and corresponding service type between RS statistics need and BS, wherein, it is the new biography data that UE3 need transmit data, need obtain from BS; UE2 treats that data retransmission is stored in RS, does not need to transmit from BS again, can directly be sent to UE by RS, and this part data to be transmitted amount is not counted in the transmitted data amount of BS and RS; The data retransmission for the treatment of of UE4 is stored in BS, need obtain from BS.The RS statistics obtains need be by BS to RS data quantity transmitted and corresponding business type, that is, the related data of UE3 and UE4 need issue from BS; After this, RS need report BS to RS data quantity transmitted and related service type, BS to scheduling relevant informations such as channel conditions RS by BS with what statistics obtained.
The scheduling of resource process of BS comprises that following step S510 is to step S516:
Step S510, BS obtain the scheduling relevant information (that is, above-mentioned step S202) that RS reports, the scheduling relevant information here comprise need be by BS to data volume that RS issues, corresponding business type, BS to the information such as channel condition RS.
Step S512, BS obtains the scheduling relevant information (that is, above-mentioned step S202) of BS territory UE, and the scheduling relevant information here comprises that BS arrives the channel condition of each UE, type of service, data volume, stand-by period etc.
Step S514, BS unites prioritization according to the schedule information of above acquisition to BS territory UE and RS, obtains the prioritization result and is p
0＞p
r＞p
1(that is, above-mentioned step S204).
Step S516, BS distributes BS territory resource according to this prioritization result, obtains allocation result
Wherein, on be designated as Resource Block numbering, be designated as UE numbering under this Resource Block down, the r in the subscript represents RS, soon Resource Block 7,9 is distributed to BS to the RS link, Resource Block 4,8 is distributed to UE0, Resource Block 5,6 is distributed to UE1 (that is, above-mentioned step S204).
Final scheduling of resource is distributed as shown in Figure 6.
Obtain scheduling result according to the scheduling of resource process of above-mentioned RS and the scheduling of resource process of BS, carry out following step S518 then to step S522, concrete operations are as follows:
Step S518, BS use Resource Block 7,9 to the descending transmission related data of RS.
Step S520, BS use Resource Block 4,5,6,8 to send data to UE0, UE1.
Step S522, RS use Resource Block 0,1,2,3 to send data to relay domain UE.
To sum up, the distributed scheduling method that is used for relay system that the present invention proposes is divided the part resource for RS self scheduling by BS, taken all factors into consideration the coordinated scheduling of BS territory UE and relay domain UE, overcome because of the higher problem that makes another territory UE can't obtain resource allocation of a certain territory UE priority, simultaneously can be according to network design demand and performance requirement to the resource division ratio, the relay station priority valve is provided with flexibly, reached and effectively taken into account all UE scheduling fairness in the dispatching cell resource, the efficient allocation local resource, the effect that effectively improves resource utilization.
Device embodiment
Embodiment one
According to embodiments of the invention, provide a kind of BS.Fig. 7 is the structured flowchart according to the BS of the embodiment of the invention, and as shown in Figure 7, this BS comprises: first acquisition module 72, second acquisition module 74, the first prioritization module 76, first resource distribution module 78 are described said structure below.
By this embodiment, provide and to have carried out prioritization according to schedule information, and BS territory UE and relay station have been carried out the BS of scheduling of resource according to the prioritization result BS territory UE and relay station.
Embodiment two
According to embodiments of the invention, provide a kind of RS.Fig. 8 is the structured flowchart according to the RS of the embodiment of the invention, and as shown in Figure 8, this RS comprises: the 3rd acquisition module 82, the second prioritization module 84, second resource distribution module 86 are described said structure below.
The 3rd acquisition module 82 is used to obtain the 3rd schedule information of one or more relay domain UE, and wherein, the 3rd schedule information comprises: channel condition, type of service to be transmitted, data to be transmitted amount, stand-by period between RS and relay domain UE; The second prioritization module 84 is connected to the 3rd acquisition module 82, is used for according to the 3rd schedule information that the 3rd acquisition module 82 obtains relay domain UE being carried out prioritization; Second resource distribution module 86 is connected to the second prioritization module 84, is used for RS and gives relay domain UE according to the prioritization result of the second prioritization module 84 with self schedulable resource allocation.
Fig. 9 is the preferred structure block diagram according to the RS of the embodiment of the invention, and as shown in Figure 9, this RS also comprises: statistical module 92 is connected to second resource distribution module 86, the allocation result that is used to add up second resource distribution module 86; The 4th acquisition module 94 is connected to statistical module 92, is used for obtaining from the allocation result of statistical module 92 statistics the schedule information of the BS of giving to be reported.
By this embodiment, provide and to have carried out resource allocation according to prioritization result to relay domain UE, and added up the RS of the schedule information that reports to BS relay domain UE.
Two above-mentioned device embodiment can use separately, also can make up mutually.For example, above-mentioned BS and RS combination can be called a kind of system of distributed resource scheduling, below this system be described.
System embodiment
According to embodiments of the invention, provide a kind of system of distributed resource scheduling.Figure 10 is the structured flowchart according to the system of distributed resource scheduling of the embodiment of the invention, as shown in figure 10, this system comprises BS 102 and RS 104, BS 102 here and RS 104 can realize by above-mentioned device embodiment, the concrete structure of the two is identical with the description of said apparatus, does not repeat them here.
In system of distributed resource scheduling, BS 102 is connected to RS 104, RS 104 reports relevant schedule information to BS 102, and BS 102 carries out prioritization by the schedule information of obtaining from RS 104 to BS territory UE and RS, and carries out resource allocation according to the prioritization result.
To sum up, pass through the above embodiment of the present invention, adopt BS according to the schedule information of BS territory UE and relay domain is carried out prioritization, and BS territory UE and relay domain are carried out scheduling of resource according to the prioritization result, having solved does not have to consider how to distribute the problem of resource of BS to the RS link at present, and then has realized resources effective is distributed.And take all factors into consideration BS territory user and relay domain user's fairness, provide to BS to RS, BS to BS territory user, RS carries out the distributed scheduling algorithm of coordinated scheduling to three links of relay domain user, intra-cell resource is effectively distributed, improved resource utilization.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. distributed resource scheduling method is applied to comprise the mobile communication system of relay station, it is characterized in that described method comprises:
The base station obtains first schedule information of one or more base station field user terminal to be scheduled and second schedule information of one or more relay stations;
Described base station is carried out prioritization according to described first schedule information and described second schedule information to described one or more base station field user terminal and described one or more relay station, and carries out scheduling of resource according to the prioritization result.
2. method according to claim 1 is characterized in that, described first schedule information comprises one of following or its combination at least:
The channel condition of base station field user terminal, type of service to be transmitted, data to be transmitted amount, stand-by period.
3. method according to claim 1 is characterized in that, described second schedule information comprises one of following or its combination at least:
Data to be transmitted amount between base station and relay station, type of service to be transmitted, channel condition.
4. method according to claim 3 is characterized in that, data volume waiting for transmission comprises between described base station and relay station:
New transmitted data amount between relay station and base station, need descending re-transmission and be stored in the data retransmission amount for the treatment of of base station and the data volume that needs uplink retransmission.
5. method according to claim 1 is characterized in that, before described base station obtained described first schedule information and described second schedule information, described method also comprised:
Described relay station obtains the 3rd schedule information of one or more relay field user terminal, and wherein, described the 3rd schedule information comprises: the channel condition between relay station and relay field user terminal, type of service to be transmitted, data to be transmitted amount, stand-by period.
6. method according to claim 5 is characterized in that, after described relay station obtained the 3rd schedule information of one or more relay field user terminal, described method also comprised:
Described relay station carries out prioritization according to described the 3rd schedule information to described relay field user terminal;
Described relay station is given described relay field user terminal according to the prioritization result with self schedulable resource allocation;
Described relay station statistics allocation result, and therefrom obtain schedule information of giving described base station to be reported.
7. a base station is characterized in that, comprising:
First acquisition module is used to obtain first schedule information of one or more base station field user terminal to be scheduled;
Second acquisition module is used to obtain second schedule information of one or more relay stations to be scheduled;
The first prioritization module is used for according to described first schedule information and described second schedule information described one or more base station field user terminal and described one or more relay station being carried out prioritization;
First resource distribution module is used for carrying out resource allocation according to the prioritization result of the described first prioritization module.
8. a relay station is characterized in that, comprising:
The 3rd acquisition module, be used to obtain the 3rd schedule information of one or more relay field user terminal, wherein, described the 3rd schedule information comprises: the channel condition between relay station and relay field user terminal, type of service to be transmitted, data to be transmitted amount, stand-by period;
The second prioritization module is used for according to described the 3rd schedule information relay field user terminal being carried out prioritization;
Second resource distribution module is used for described relay station and gives described relay field user terminal according to the prioritization result of the described second prioritization module with self schedulable resource allocation.
9. relay station according to claim 8 is characterized in that, also comprises:
Statistical module, the allocation result that is used to add up described second resource distribution module;
The 4th acquisition module is used for obtaining schedule information of giving described base station to be reported from the described allocation result of described statistical module counts.
10. a system of distributed resource scheduling comprises base station and relay station, it is characterized in that:
Described base station comprises:
First acquisition module is used to obtain first schedule information of one or more base station field user terminal to be scheduled;
Second acquisition module is used to obtain second schedule information of one or more relay stations;
The first prioritization module is used for according to described first schedule information and described second schedule information described one or more base station field user terminal and described one or more relay station being carried out prioritization;
First resource distribution module is used for carrying out resource allocation according to the prioritization result of the described first prioritization module;
Described relay station comprises:
The 3rd acquisition module, be used to obtain the 3rd schedule information of one or more relay field user terminal, wherein, described the 3rd schedule information comprises: the channel condition between relay station and relay field user terminal, type of service to be transmitted, data to be transmitted amount, stand-by period;
The second prioritization module is used for according to described the 3rd schedule information relay field user terminal being carried out prioritization;
Second resource distribution module is used for described relay station and gives described relay field user terminal according to the prioritization result of the described second prioritization module with self schedulable resource allocation.
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| CN1108075C (en) * | 1999-09-24 | 2003-05-07 | 华为技术有限公司 | Dynamic distribution method for wireless channels |
| KR100884699B1 (en) * | 2004-08-18 | 2009-02-19 | 모토로라 인코포레이티드 | Method and apparatus for transparent relaying |
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