CN101621462B - Resource distribution method - Google Patents
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- CN101621462B CN101621462B CN200810137826A CN200810137826A CN101621462B CN 101621462 B CN101621462 B CN 101621462B CN 200810137826 A CN200810137826 A CN 200810137826A CN 200810137826 A CN200810137826 A CN 200810137826A CN 101621462 B CN101621462 B CN 101621462B
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Abstract
The invention discloses a resource distribution method, comprising the following steps: a base station uses respective unicast connection identifier of each of a plurality of relay stations to send messages configured with multicast connection identifiers to each of the relay stations; the relay stations send feedback to the base station so as to respond to the messages configured with the multicast connection identifiers; the base station sends resource distribution messages and/or resends the messages configured with the multicast connection identifiers to the relay stations according to the feedback from the relay stations. By using the invention, the efficiency of resource distribution can be effectively improved.
Description
Technical field
The present invention relates to the communications field, and especially, relate to a kind of resource allocation methods.
Background technology
Wireless communication system use electromagnetic wave communicates with wireless communication terminal (for example, mobile radiotelephone perhaps with the notebook computer of wireless communication card, hereinafter is referred to as the terminal with it) fixing or that move.
Usually, the terminal all is positioned within the wireless coverage of system, and the wave frequency of distributing to wireless device is divided into a plurality of carrier frequencies as radio communication channel.Wireless communication system uses the wireless channel of base station appointment in certain geographic range, wireless coverage to be provided, and this geographic range is called the sub-district, and wherein, the base station should be positioned at the central authorities of sub-district in theory.
In the middle of practical application, the coverage of wireless network possibly receive the various factors influence.For example, towering building possibly block the wireless signal of base station, thereby causes seriously weakening of signal in certain zone; The phenomenon of signal weakening can appear in cell edge, thereby the error rate that causes the terminal to receive increases.
In addition, the capacity requirement of wireless communication system also receives the various factors influence.For example; When number of users sharply increases (for example, when carrying out exhibition) or call volume when sharply increasing (for example, typhoon arrive in everybody all need make a phone call); Require to increase power system capacity; And in remote rural area or mountain area, the capacity of a base station often can not be with full in coverage, just needs this moment to enlarge system ovelay range to utilize unnecessary capacity.
In order to enlarge system ovelay range or expanding system capacity, can one or more relay station be arranged between the base station and terminal of supporting multi-hop relay (the wireless communication system unification that hereinafter will comprise relaying abbreviates system as).Relay station can relay base station to terminal (descending) or the signal of terminal to base station (up).Relay station can improve the communications link signals transmission quality, therefore can enlarge system ovelay range or increase power system capacity.
For relay station; According to whether producing and send prefix and resource control messages; Relay station can be divided into transparent relay stations and nontransparent relay station, and transparent relay stations does not produce and do not send prefix and resource control messages yet, and nontransparent relay station produces and send prefix and resource control messages.
Wherein, according to the resource control messages that whether produces allocated channel, nontransparent relay station can be divided into centralized scheduling relay station and distributed scheduling relay station again.All resources of centralized scheduling relay station are all confirmed by the base station; The distributed scheduling relay station can oneself be produced as the resource control messages of downstream stations allocated channel, but the resource that supplies relay station oneself to distribute should be dispatched to avoid interference by the base station is unified in advance.Therefore, for relay station, always have how the base station is its problem of scheduling resource in advance.
In present applied technology, the base station be relay station in advance the method for scheduling resource be clean culture or broadcasting.If a plurality of relay stations are separated by enough far away; (for example can utilize identical resource; The two-dimentional square that temporal frequency is formed) transmission data or signaling and do not interfere with each other; But in application, also exist other relay station can not use the situation of same resource simultaneously, this will cause the reduction of allocation efficiency of resource.At present, propose to solve this as yet because a plurality of relay stations can't use same resource to cause the technical scheme of the problem of allocation efficiency of resource reduction.
Summary of the invention
Consider the problems referred to above and make the present invention, for this reason, main purpose of the present invention is to provide a kind of Resource Allocation Formula, to solve the low problem of allocation efficiency of resource that exists in the correlation technique.
According to an aspect of the present invention, a kind of resource allocation methods is provided.
Resource allocation methods according to the present invention comprises: the base station utilizes a plurality of relay stations unicast connection identifier separately each in a plurality of relay stations to send the message of configuration multicast connection identifiers; In response to the message of configuration multicast connection identifiers, a plurality of relay stations send feedback to the base station; The base station is sent resource allocation message and/or is resend the message that disposes multicast connection identifiers to a plurality of relay stations according to the feedback of a plurality of relay stations.
Wherein, a plurality of relay stations are specially to the processing of base station transmission feedback:
The relay station that successfully receives the message of configuration multicast connection identifiers in a plurality of relay stations returns success feedback to the base station; The relay station that receives the message failure of configuration multicast connection identifiers in perhaps a plurality of relay stations returns the failure feedback to the base station.
Wherein, the base station processing of sending resource allocation message according to the feedback of a plurality of relay stations and/or resending the message of configuration multicast connection identifiers is specially:
The base station utilizes the multicast connection identifiers of configuration to send resource allocation message to the relay station of the message that successfully receives the configuration multicast connection identifiers; And/or the base station utilizes the relay station unicast connection identifier separately of the message failure that receives the configuration multicast connection identifiers to send resource allocation message or resend the message that disposes multicast connection identifiers.
And when the base station received the message failure feedback of relay station reception configuration multicast connection identifiers before using multicast connection identifiers to send the appointment constantly of resource allocation message, the base station resend the message of configuration multicast connection identifiers to the relay station that takes defeat; Otherwise the base station uses unicast connection identifier to send resource allocation message to the relay station that takes defeat.
In addition, above-mentioned a plurality of relay station comprises centralized relay station and/or distributed relay station.
On the one hand, after the distributed relay station received resource allocation message, this method can further comprise: the feedback that successfully receives is sent at the distributed relay station that successfully receives resource allocation message to the base station; And/or the distributed relay station that receives the resource allocation message failure utilizes its unicast connection identifier separately to send the feedback that takes defeat to the base station.
And, after the base station receives the feedback that takes defeat, partly or entirely dispose multicast connection identifiers in the relay station of the feedback take defeat if send, then the base station utilizes this multicast connection identifiers to resend resource allocation message to the corresponding relay station; Do not dispose the relay station of multicast connection identifiers in the relay station of the feedback that takes defeat for transmission, the base station utilizes unicast connection identifier to resend resource allocation message.
On the other hand; After centralized relay station receives resource allocation message; This method can further comprise: if centralized relay station sends or receive the data success on the corresponding resource of resource allocation message institute, then to base station application resource with transmission or receive new data; If and/or centralized relay station fails when sending the pairing data of resource allocation message, then send bandwidth request message and resend data with bandwidth application to the base station.
And, after the base station receives bandwidth request message, partly or entirely dispose multicast connection identifiers in the relay station of bandwidth request message if send, then the base station utilizes this multicast connection identifiers to resend resource allocation message to the corresponding relay station; For the relay station that does not dispose multicast connection identifiers in the relay station that sends bandwidth request message, the base station utilizes unicast connection identifier to send resource allocation message.
In addition, a plurality of relay stations of the message of the configuration multicast connection identifiers of reception base station transmission are a plurality of relay stations that satisfy the multicast condition.Wherein, satisfy the multicast condition and be meant that the interference between a plurality of relay stations is lower than predetermined interference threshold.
In addition, above-mentioned resource allocation message be following one of at least: trunk channel describing message, relaying identification message.
Through technique scheme of the present invention, can effectively improve efficiency of resource distribution.
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 flow chart according to the resource allocation methods of the embodiment of the invention;
Fig. 2 is the sketch map that can adopt according to the topological structure instance in the IEEE802.16j system of the resource allocation methods of the embodiment of the invention;
Fig. 3 is the flow chart according to the processing instance 1 of the resource allocation methods of the embodiment of the invention;
Fig. 4 is the signaling process figure according to the processing instance 2 of the resource allocation methods of the embodiment of the invention;
Fig. 5 is the flow chart according to the processing instance 3 of the resource allocation methods of the embodiment of the invention;
Fig. 6 is the signaling process figure according to the processing instance 4 of the resource allocation methods of the embodiment of the invention;
Fig. 7 is the signaling process figure according to the processing instance 5 of the resource allocation methods of the embodiment of the invention;
Fig. 8 is the signaling process figure according to the processing instance 6 of the resource allocation methods of the embodiment of the invention.
Embodiment
In embodiments of the present invention, a kind of resource allocation methods is provided.
As shown in Figure 1, comprise according to the resource allocation methods of the embodiment of the invention: step S102, the base station utilizes a plurality of (two or more) relay station unicast connection identifier separately each in a plurality of relay stations to send the message of configuration multicast connection identifiers; Step S104, in response to the message of configuration multicast connection identifiers, a plurality of relay stations send feedback to the base station; Step S106, the base station is sent resource allocation message and/or is resend the message that disposes multicast connection identifiers to a plurality of relay stations according to the feedback of a plurality of relay stations.
Wherein, the message of above-mentioned configuration multicast connection identifiers comprises relay station configuration order (RS-Config_CMD).
In addition, a plurality of relay stations are specially to the processing of base station feedback configuration result separately: the relay station that successfully receives the message of configuration multicast connection identifiers in a plurality of relay stations returns success feedback to the base station; The relay station that receives the message failure of configuration multicast connection identifiers in perhaps a plurality of relay stations returns the failure feedback to the base station.
And; The processing that the base station is sent resource allocation message according to the feedback of a plurality of relay stations and/or resend the message of configuration multicast connection identifiers is specially: the base station utilizes the multicast connection identifiers of configuration to send resource allocation message to the relay station of the message that successfully receives the configuration multicast connection identifiers; Wherein, this resource allocation message is used for distributing same asset to the relay station that successfully disposes multicast connection identifiers; And/or the base station utilizes the relay station unicast connection identifier separately of the message failure that receives the configuration multicast connection identifiers to send resource allocation message or resend the message that disposes multicast connection identifiers.
That is to say; Use multicast connection identifiers to send resource allocation message receives under the situation of failure feedback before in the base station; The base station uses the relay station unicast connection identifier of sending the failure feedback to resend the message of configuration multicast connection identifiers; If then the base station was used the relay station unicast connection identifier of sending the failure feedback to send resource allocation message and was given the base station of sending the failure feedback after the time of predetermined transmission resource allocation message the time of receiving the failure feedback.
And when the base station received the message failure feedback of relay station reception configuration multicast connection identifiers before using multicast connection identifiers to send the appointment constantly of resource allocation message, the base station resend the message of configuration multicast connection identifiers to the relay station that takes defeat; Otherwise the base station uses unicast connection identifier to send resource allocation message to the relay station that takes defeat.
In the middle of practical application; The base station can define the definite time delay that receives relay station for the message feedback of configuration multicast connection identifiers of one or more timers, and this time delay is resource allocation message is sent in the base station to the use multicast connection identifiers from the message of sending the configuration multicast connection identifiers a time span; When the base station when same frame sends the message of configuration multicast connection identifiers for each relay station, the base station is as long as timer of definition is confirmed time delay; When the base station when different frame sends the message of configuration multicast connection identifiers for each relay station, the base station will define a plurality of timers and confirm time delay, time delay begins to last timer end for first timer.
In addition, above-mentioned a plurality of relay station comprises centralized relay station and/or distributed relay station.
On the one hand, after the distributed relay station received resource allocation message, this method can further comprise: the feedback that successfully receives is sent to the base station in the distributed relay station that successfully receives resource allocation message, and does not do any action; And/or the distributed relay station that receives the resource allocation message failure utilizes its unicast connection identifier separately to send the feedback that takes defeat to the base station.
And, after the base station receives the feedback that takes defeat, partly or entirely dispose multicast connection identifiers in the relay station of the feedback take defeat if send, then the base station utilizes this multicast connection identifiers to resend resource allocation message to the corresponding relay station; Do not dispose the relay station of multicast connection identifiers in the relay station of the feedback that takes defeat for transmission, the base station utilizes unicast connection identifier to resend resource distribution message.
On the other hand; After centralized relay station receives resource allocation message; This method can further comprise: if centralized relay station sends or receive the data success on the corresponding resource of resource allocation message institute, then to base station application resource sending or to receive new data, and not only row feeds back; If and/or centralized relay station fails when sending the pairing data of resource allocation message, then send bandwidth request message and resend data with bandwidth application to the base station.
And, after the base station receives bandwidth request message, partly or entirely dispose multicast connection identifiers in the relay station of bandwidth request message if send, then the base station utilizes this multicast connection identifiers to resend resource allocation message to the corresponding relay station; For the relay station that does not dispose multicast connection identifiers in the relay station that sends bandwidth request message, the base station utilizes unicast connection identifier to send resource distribution message.
In addition, a plurality of relay stations of the message of the configuration multicast connection identifiers of reception base station transmission are a plurality of relay stations that satisfy the multicast condition.Wherein, satisfy the multicast condition and be meant that the interference between a plurality of relay stations is lower than predetermined interference threshold.
Resource allocation message be in the following message one of at least: trunk channel describing message (R-link Channel Descriptor Message, RCD message), relaying identification message (R-MAP message).
To combine instantiation to describe processing procedure of the present invention below.
(World Interoperability for MicrowaveAccess WiMAX) is a broadband wireless access metropolitan area network technology (Broadband Wireless Access Metropolitan Area Network) based on the IEEE802.16 standard to micro-wave access to global intercommunication.The elementary object of WiMAX is to insert under the environment at metropolitan area network; The wireless device of guaranteeing different vendor interconnects; Be mainly used in to family, enterprise and mobile communications network provide the high-speed wideband of " last kilometer " and insert, and personal mobile communication in the future is professional.The IEEE802.16 standard has been worked out the standard of physical layer (PHY) and medium Access Layer (MAC), is a kind of new air-interface standard that proposes to microwave frequency band.Wherein IEEE802.16j is the present most complete standard that comprises relaying.
Fig. 2 shows the instantiation according to the applicable topological structure of resource allocation methods of the present invention.As shown in Figure 2, comprise a base station (BS) and three relay stations (RS) and several mobile stations (MS) in this topological structure, wherein, the coverage of RS 1 and the coverage of RS2 be separated by enough remote causes this can use same resource.Therefore RS3 can only use different resources with other RS close together.Wherein repeated link refer between BS and the RS or RS and RS between communication link, access link refer between BS and the MS or RS and MS between communication link.
In instance 1 to the instance 4 that will describe below, suppose that all the base station is each relay station configuration multicast connection identifiers in same frame; And in instance 5, the base station is each relay station configuration multicast connection identifiers in different frame.Accordingly, when the base station when same frame sends the message of configuration multicast connection identifiers for each relay station, the base station is as long as timer of definition confirms to receive the time delay of configuration multicast connection identifiers message feedback, each relay station uses same timer; When the base station when different frame sends the message of configuration multicast connection identifiers for each relay station, the base station will define a plurality of timers and confirm time delay, each relay station can use different timers, time delay begins to last timer end for first timer.
To combine accompanying drawing to describe each instance of the present invention below.
Instance 1
Fig. 3 shows in topological structure shown in Figure 2, and according to the detailed process process of the resource allocation methods of the embodiment of the invention, it specifically comprises following processing:
S302, the base station uses the unicast connection identifier of each relay station to send the message that disposes multicast connection identifiers to each relay station, and wherein, the message of configuration multicast connection identifiers comprises relay station configuration order (RS-Config_CMD);
S304, relay station is received the message success of configuration multicast connection identifiers according to relay station or is failed and send feedback to the base station;
S306, the base station receives that message that relay station receives the configuration multicast connection identifiers when successfully feeding back, do not do any action;
S308, receive when relay station is received the message failure feedback of configuration multicast connection identifiers the base station, resends the message or the resource distribution message of configuration multicast connection identifiers according to the time of receiving the failure feedback;
S309a, the failure feedback was received in the base station before using multicast connection identifiers transmission resource allocation message, the base station uses the relay station unicast connection identifier of transmission failure feedback to resend the message of configuration multicast connection identifiers; S309b, the base station uses the relay station unicast connection identifier of sending the failure feedback to send resource allocation message;
S310, the base station uses the multicast connection identifiers of configuration to send resource allocation message simultaneously to each relay station, and wherein resource allocation message comprises the trunk channel describing message;
S312, relay station receives the resource allocation message success or not according to relay station and sends feedback to the base station;
S314 successfully receives the resource allocation message relay station and sends successfully feedback to the base station, and the base station receives that relay station receives resource allocation message and successfully feeds back, and does not do any action;
S316 does not successfully receive the resource allocation message relay station and sends the failure feedback to the base station, and the base station receives that relay station receives resource allocation message failure feedback, uses corresponding unicast connection identifier or multicast connection identifiers to send resource allocation message to relay station again;
Further; The base station receives that relay station receives resource allocation message failure feedback; If have only the relay station of a plurality of use multicast connection identifiers to receive the resource allocation message failure; Then use multicast connection identifiers to resend resource allocation message, otherwise use unicast connection identifier to resend resource allocation message to corresponding relay station.
Preferably; Under distributed scheduling mechanism; When resource allocation message disposes at relay station after the interaction success; Relay station does not need each transfer of data all will be by base station scheduling, but can decide the scheduling of resource situation of downstream node according to the resource of configuration schedules in its sole discretion, and this also is the characteristics of distributed scheduling.
Instance 2
Show in Fig. 2 topological structure processing procedure like Fig. 4 according to distributed scheduling Resources allocation in the method for the embodiment of the invention.As shown in Figure 4, in this example, comprise following processing procedure:
The message that BS uses RS1 and RS2 unicast connection identifier PCID (primary CID) separately to send configuration multicast connection identifiers MCID (multicast CID) respectively to RS1 and RS2, this message can be RS configuration order (RS config_CMD);
RS1 sends successfully reception feedback to the base station after successfully receiving RS config_CMD, and RS2 sends successfully reception feedback to the base station after successfully receiving RS config_CMD;
The resource allocation message that BS uses the MCID of configuration to send distributed scheduling simultaneously to RS1 and RS2, this message can be trunk channel describing message RCD, has defined the distributed scheduling resource of the same frequency range of using simultaneously to RS1 and RS2 in the RCD message;
RS1 sends successfully reception feedback to the base station after successfully receiving RCD message, and RS2 sends successfully reception feedback to the base station after successfully receiving RCD message, distributed scheduling relay station RS1 and RS2 resource distribution success.
Instance 3
Fig. 5 shows in topological structure shown in Figure 2, and according to the detailed process process of the resource allocation methods of the embodiment of the invention, it specifically comprises following processing:
Step 502, base station use the unicast connection identifier of each relay station to send the message that disposes multicast connection identifiers to each relay station, and the message that wherein disposes multicast connection identifiers comprises relay station configuration order (RS-Config_CMD);
Step 506, relay station receives that according to relay station the message success of configuration multicast connection identifiers or failure send feedback to the base station, and the base station receives that relay station receives when the message of configuration multicast connection identifiers is successfully fed back, and does not do any action;
S508, receive when relay station is received the message failure feedback of configuration multicast connection identifiers the base station, resends the message or the resource distribution message of configuration multicast connection identifiers according to the time of receiving the failure feedback;
S509a, the failure feedback was received in the base station before using multicast connection identifiers transmission resource allocation message, the base station uses the relay station unicast connection identifier of transmission failure feedback to resend the message of configuration multicast connection identifiers; S509b, the base station uses the relay station unicast connection identifier of sending the failure feedback to send resource allocation message;
S510, the base station uses the multicast connection identifiers of configuration to send resource allocation message simultaneously to each relay station, and wherein resource allocation message comprises relaying identification message (R-MAP);
S512, relay station sends data success or not corresponding on the resource according to relay station and sends feedback to the base station;
S514; Relay station sends the corresponding data success of resource allocation message and then sends the new data of bandwidth request message bandwidth application transmission to the base station; Relay station sends the corresponding data failure of resource allocation message and then resends data to base station transmission bandwidth request message bandwidth application; And the relay station bandwidth request is received in the base station, uses unicast connection identifier or multicast connection identifiers to send resource allocation message to relay station;
S516; The relay station bandwidth request is received in the base station; If have only the relay station bandwidth on demand of a plurality of use multicast connection identifiers and the resource can be multiplexing, then use multicast connection identifiers to send resource allocation message, otherwise use unicast connection identifier to send resource allocation message to corresponding relay station.
Under centralized scheduling mechanism, the each transfer of data of relay station all will be by base station scheduling, so the bandwidth application can be used as feedback.
Instance 4
Show in Fig. 2 topological structure processing procedure like Fig. 6 according to distributed scheduling Resources allocation in the method for the embodiment of the invention.As shown in Figure 6, in this example, comprise following processing procedure:
The message that BS uses RS1 and RS2 unicast connection identifier PCID (primary CID) separately to send configuration multicast connection identifiers MCID (multicast CID) respectively to RS1 and RS2, this message can be RS configuration order (RS config_CMD);
RS1 sends successfully reception feedback to the base station after successfully receiving RS config_CMD, and RS2 sends successfully reception feedback to the base station after successfully receiving RS config_CMD;
The resource allocation message that BS uses the MCID of configuration to send centralized scheduling simultaneously to RS1 and RS2, this message can be relaying identification message R-MAP, has wherein defined the centralized scheduling resource of the same frequency range of using simultaneously to RS1 and RS2;
RS1 sends new bandwidth application in order to transmit new data to the base station after successfully receiving R-MAP; RS2 sends new bandwidth application in order to transmit new data to the base station after successfully receiving R-MAP; The application of RS1 and RS2 can be multiplexing, so the base station reuses MCIDMCID sends centralized scheduling simultaneously to RS1 and RS2 resource allocation message.
Instance 5
Show in Fig. 2 topological structure processing procedure like Fig. 7 according to distributed scheduling Resources allocation in the method for the embodiment of the invention.As shown in Figure 7, specifically comprise following processing:
The message that BS uses the unicast connection identifier PCID (primary CID) of RS1 to send configuration multicast connection identifiers MCID (multicast CID) to RS1 at the k frame.The message that BS uses the PCID of RS2 to send configuration multicast connection identifiers MCID to RS2 at the k+1 frame.Configuration messages can be RS configuration order (RS config_CMD);
RS1 sends successfully reception feedback to the base station after successfully receiving RS config_CMD, and RS2 sends successfully reception feedback to the base station after successfully receiving RS config_CMD;
The resource allocation message that BS uses the MCID of configuration to send distributed scheduling simultaneously to RS1 and RS2, this message can be trunk channel describing message RCD message, has defined the distributed scheduling resource of the same frequency range of using simultaneously to RS1 and RS2 in the RCD message;
RS1 sends successfully reception feedback to the base station after successfully receiving RCD message, and RS2 sends successfully reception feedback to the base station after successfully receiving RCD message, distributed scheduling relay station RS1 and RS2 resource distribution success;
Under centralized scheduling mechanism, the each transfer of data of relay station all will be by base station scheduling, so the bandwidth application can be used as feedback.
Instance 6
Show in Fig. 2 topological structure processing procedure like Fig. 8 according to distributed scheduling Resources allocation in the method for the embodiment of the invention.As shown in Figure 8, specifically comprise following processing:
The message that BS uses RS1 and RS2 unicast connection identifier PCID (primary CID) separately to send configuration multicast connection identifiers MCID (multicast CID) respectively to RS1 and RS2, this message can be RS configuration order (RS config_CMD);
RS1 sends successfully reception feedback to the base station after successfully receiving RS config_CMD, and RS2 sends successfully reception feedback to the base station after successfully receiving RS config_CMD;
The resource allocation message that BS uses the MCID of configuration to send centralized scheduling simultaneously to RS1 and RS2, this message can be relaying identification message R-MAP, has wherein defined the centralized scheduling resource of the same frequency range of using simultaneously to RS1 and RS2; This message can not need be fed back and is repeated to send the data of standing for RS1 and RS2 transmission subordinate with scheduling resource.
In sum; By means of technical scheme of the present invention, effectively improved efficiency of resource distribution through the mode that adopts multicast as far as possible, reduced the mutual of signaling; Reduced the burden of system, filled up in the correlation technique and solved the blank on this problem of resource allocation through multicasting technology.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, 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. a resource allocation methods is characterized in that, comprising:
The base station utilizes a plurality of relay stations unicast connection identifier separately each in said a plurality of relay stations to send the message of configuration multicast connection identifiers;
In response to the message of said configuration multicast connection identifiers, said a plurality of relay stations send feedback to said base station, and wherein, the relay station that successfully receives the message of said configuration multicast connection identifiers in said a plurality of relay stations returns success feedback to said base station; Perhaps, the relay station that receives the message failure of said configuration multicast connection identifiers in said a plurality of relay station returns the failure feedback to said base station;
Said base station is sent resource allocation message and/or is resend the message that disposes multicast connection identifiers to said a plurality of relay stations according to the feedback of said a plurality of relay stations; Wherein, said base station utilizes the said multicast connection identifiers of configuration to send said resource allocation message to the said relay station of the message that successfully receives said configuration multicast connection identifiers; And/or the said relay station unicast connection identifier separately of the message failure of the said configuration multicast connection identifiers of said base station utilization reception is sent said resource allocation message or is resend the message of said configuration multicast connection identifiers.
2. method according to claim 1; It is characterized in that; Said base station receives relay station when receiving the message failure feedback of said configuration multicast connection identifiers before using said multicast connection identifiers to send the appointment constantly of said resource allocation message, said base station resends the message of said configuration multicast connection identifiers to the relay station that takes defeat; Otherwise said base station uses unicast connection identifier to send said resource allocation message to the relay station that takes defeat.
3. method according to claim 1 is characterized in that, said a plurality of relay stations comprise centralized relay station and/or distributed relay station.
4. method according to claim 3 is characterized in that, after said distributed relay station receives said resource allocation message, further comprises:
Success receives the distributed relay station of said resource allocation message and sends the feedback that successfully receives to said base station; And/or
The distributed relay station that receives said resource allocation message failure utilizes its unicast connection identifier separately to send the feedback that takes defeat to said base station.
5. method according to claim 4; It is characterized in that; After said base station receives the said feedback that takes defeat; If send and partly or entirely dispose multicast connection identifiers in the relay station of the said feedback that takes defeat, then said base station utilizes this multicast connection identifiers to resend said resource allocation message to the corresponding relay station; For the relay station that does not dispose multicast connection identifiers in the relay station that sends the said feedback that takes defeat, said base station utilizes unicast connection identifier to resend said resource allocation message.
6. method according to claim 3 is characterized in that, after said centralized relay station receives said resource allocation message, further comprises:
If said centralized relay station sends or receives the data success on the corresponding resource of said resource allocation message institute, then to said base station application resource with transmission or receive new data; And/or
If said centralized relay station is failed when sending the pairing data of said resource allocation message, then send bandwidth request message and resend data with bandwidth application to said base station.
7. method according to claim 6; It is characterized in that; After said base station receives said bandwidth request message; If send and partly or entirely dispose multicast connection identifiers in the relay station of said bandwidth request message, then said base station utilizes this multicast connection identifiers to resend resource allocation message to the corresponding relay station; For the relay station that does not dispose multicast connection identifiers in the relay station that sends said bandwidth request message, said base station utilizes unicast connection identifier to send resource allocation message.
8. according to each described method in the claim 1 to 7, it is characterized in that the said a plurality of relay stations that receive the message of the said configuration multicast connection identifiers of sending said base station are a plurality of relay stations that satisfy the multicast condition.
9. method according to claim 8 is characterized in that, satisfies said multicast condition and is meant that the interference between said a plurality of relay station is lower than predetermined interference threshold.
10. according to each described method in the claim 1 to 7, it is characterized in that, said resource allocation message be following one of at least: trunk channel describing message, relaying identification message.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1925457A (en) * | 2005-08-31 | 2007-03-07 | 华为技术有限公司 | Device and method for multi-service grouping data dispatching |
| CN101103557A (en) * | 2005-01-10 | 2008-01-09 | 三星电子株式会社 | System and method for controlling idle mode in a broadband wireless access communication system |
| CN101141787A (en) * | 2006-09-07 | 2008-03-12 | 中兴通讯股份有限公司 | Method of implementing multicast channel establishment, prelogin, release in broadband access system |
-
2008
- 2008-07-03 CN CN200810137826A patent/CN101621462B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101103557A (en) * | 2005-01-10 | 2008-01-09 | 三星电子株式会社 | System and method for controlling idle mode in a broadband wireless access communication system |
| CN1925457A (en) * | 2005-08-31 | 2007-03-07 | 华为技术有限公司 | Device and method for multi-service grouping data dispatching |
| CN101141787A (en) * | 2006-09-07 | 2008-03-12 | 中兴通讯股份有限公司 | Method of implementing multicast channel establishment, prelogin, release in broadband access system |
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