CN101389113B - Method for allocating radio resource to relays - Google Patents
Method for allocating radio resource to relays Download PDFInfo
- Publication number
- CN101389113B CN101389113B CN200710151519XA CN200710151519A CN101389113B CN 101389113 B CN101389113 B CN 101389113B CN 200710151519X A CN200710151519X A CN 200710151519XA CN 200710151519 A CN200710151519 A CN 200710151519A CN 101389113 B CN101389113 B CN 101389113B
- Authority
- CN
- China
- Prior art keywords
- radio resource
- base station
- relay station
- relay
- priority
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000011664 signaling Effects 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
Abstract
The invention provide a method for distributing radio resource to relays, comprising that after finishing base station access of the relay, the base station distributes radio resource for the relay to communicate with terminals to the relay; the relay transmits radio resource request and channel condition between base stations to the base station thereafter; according to the channel condition and received radio resource request, the base station reserves a part of the radio resource to the relay for communication between the base station and the relay. Adopting the technical scheme, the base station regulates radio resource reserved to the relay based on load condition of the relay and measurement information of the relay, so that QoS of the terminal controlled by the relay is effectively guaranteed, meanwhile resource is fully coordinated, and frequency spectrum utilization is improved.
Description
Technical field
The present invention relates to a kind ofly, be specifically related to a kind of base station (BS:Base Station) is used in the Radio Resource of communicating by letter between base station and the relay station to the relay station branch method in the communication system that contains relay station (RS:Relay Station).
Background technology
Evolution and development of Communication Technique along with network; The GSM of a new generation must can support 100Mbps (Mbps: MBPS) above all-IP high-speed packet data transmission, support the high transmission quality of high terminal mobility, support, high spectrum efficiency and power efficiency be provided, and can effectively be supported in the variation of great dynamic ranges such as user data rate, user capacity, service quality and translational speed.Aspect the wide area covering; Because blocking of shadow fading and building, the base station in the legacy single hop network can't cover each place, therefore; Can improve the covering and the capacity of system by the RS technology; Real realization wide area covers continuously, and therefore, the RS technology also will be one type of core technology in the third generation mobile communication system.
The main focus of prior art is that BS distributes to the RS Radio Resource; Be used for the terminal that the RS scheduling belongs to this RS; And the Radio Resource that RS communicates by letter with BS just distributes when having only both formally to communicate by letter; Before communication, do not reserve the Radio Resource that is used for both communication to RS, therefore business QoS (service quality) end to end can be affected.
Summary of the invention
The technical problem that the present invention will solve provides a kind of method of giving the relay station distributing radio resource, and the base station does not influence the professional problem of QoS end to end owing to having to reserve the Radio Resource that is used for relay station and base station communication in the prior art to overcome.
In order to address the above problem, the invention provides a kind of method of giving the relay station distributing radio resource, comprising:
After the A relay station was accomplished the access with the base station, the base station was used in the Radio Resource of relay station and terminal communication to the relay station branch;
The B relay station to the base station send radio resource request and and the base station between channel condition;
Said step B also comprises: the base station is used for communicating by letter of base station and relay station according to said channel condition and the radio resource request reserved part Radio Resource received to relay station.
Further, relay station also sends metrical information to the base station simultaneously to base station transmits control signaling and data after the said step B, and the Radio Resource of keeping for relay station is adjusted after receiving said metrical information in the base station.
Further; Among the said step B; Relay station sends radio resource request to the base station and is meant: relay station divides into groups the service access information that send at the terminal of receiving by service priority; The business of same priority is put into same group, and draw every group of professional traffic carrying capacity according to each professional assurance bit rate and activation probability calculation, the traffic carrying capacity of each group that will calculate again and the priority of this group report the base station.
Further; Among the said step B; The base station is meant to relay station according to said channel condition and the radio resource request reserved part Radio Resource received: after said radio resource request is received in the base station; The modulation coding mode that decision is adopted according to channel condition calculates every group of required reserved radio resource of priority service according to the traffic carrying capacity and the modulation coding mode that report again, and its summation is the required Radio Resource of relay station; When the current usable radio resources in base station during more than or equal to the required Radio Resource of relay station, its required Radio Resource is reserved to relay station in the base station; When the current usable radio resources in base station during less than the required Radio Resource of relay station, the professional required Radio Resource that priority is higher than predetermined threshold value is only reserved to relay station in the base station.
Further, among the said step B, if relay station is not received the service access information applications at terminal, relay station does not then send radio resource request to the base station, and therefore the base station is not reserved to relay station and be used for the Radio Resource of communicating by letter with relay station in the base station.
Further, said relay station sends metrical information for periodically sending or the transmission of Event triggered property ground to the base station.
Further, said metrical information comprises traffic carrying capacity and priority, buffer status and the relay station of this group and the channel condition between the base station of each group of according to priority dividing into groups of relay station current time.
Further, said Event triggered property ground transmission metrical information comprises: send when the traffic carrying capacity of the Radio Resource application that the relay station current time is received surpasses predetermined threshold value; When surpassing predetermined threshold value, the traffic carrying capacity of the buffer area of relay station sends; The relay station current time is received the business that need transmit immediately, and this moment relay station amount of radio resources send when being not enough to support said traffic transmission.
Further; After the metrical information that relay station sends is received in said base station; With the traffic carrying capacity stack that has same priority in each priority service corresponding service amount of current time and the buffer area; Calculate total traffic carrying capacity of this priority; And the modulation coding mode that decision is adopted according to channel condition, total traffic carrying capacity and the modulation coding mode according to each priority service calculates the required Radio Resource of this group priority service again, and the current required reservation Radio Resource of relay station is promptly respectively organized professional required Radio Resource sum; When if the base station present load does not surpass preset threshold value, the base station then replenishes to be reserved the current Radio Resource that lacks of relay station or discharges the current unnecessary Radio Resource of keeping for relay station; When if the base station present load surpasses preset threshold value, the base station replenishes the corresponding Radio Resource that lacks of reservation to the business that priority is higher than higher limit, and discharges the corresponding Radio Resource of having kept for the lower business of priority.
In sum; The invention provides a kind of method of giving the relay station distributing radio resource; BS can keep for the Radio Resource of RS according to the loading condition adjustment of RS, and keeps for the Radio Resource of RS according to the metrical information adjustment of RS, thereby the QoS at the terminal of RS control can be effectively guaranteed; Simultaneously can coordinate resource fully again, improve the availability of frequency spectrum of system.
Description of drawings
Fig. 1 is the process chart of the specific embodiment of the invention.
Embodiment
Present embodiment provides a kind of method to the relay station distributing radio resource, and is as shown in Figure 1, and its handling process is following:
Step 101: after relay station powers up, obtain the down-going synchronous with the base station, initiate to insert request to the base station, receive the affirmation of base station when relay station after, insert successfully;
Step 102: it is mutual that initialization signaling is carried out in relay station and base station; And the channel condition between base station and the relay station sent to the base station; The base station distributes corresponding radio resource to give relay station according to initialization signaling alternately, is used for it and is free to arrange scheduling, promptly is used for communicating by letter of relay station and its terminal room; Give the same prior art of method of relay station distributing radio resource here.
Wherein initialization signaling comprises alternately: the capability negotiation of relay station and base station, information such as geographical position.
Step 103: the service access information applications that relay station is sent the terminal of receiving send to the base station with the mode of radio resource request; Be that the service access information that relay station is sent the terminal of receiving is divided into groups by service priority; The business of same priority is put into same group; And according to each professional assurance bit rate and activate probability calculation and draw every group of professional traffic carrying capacity, the traffic carrying capacity of each group that will calculate again and the priority of this group report the base station; The same prior art of the method for computing service amount.Wherein the service access information applications comprise: the Radio Resource application of terminal traffic and this professional QoS (QoS comprises professional priority).
Base station and the channel condition between the relay station that send according to this radio resource request and relay station the base station are given relay station reserved part Radio Resource, are used for communicating by letter of base station and relay station---and be that relay station is to the base station transmits data and control signaling; Concrete operations are: the base station modulation coding mode that decision is adopted according to channel condition; Calculate every group of required reserved radio resource of priority service according to the traffic carrying capacity and the modulation coding mode that report again; Its summation is the required Radio Resource of relay station; When the current usable radio resources in base station during more than or equal to the required Radio Resource of relay station, its required Radio Resource is reserved to relay station in the base station; When the current usable radio resources in base station during less than the required Radio Resource of relay station; Higher priority business is only given in the base station; The business that is higher than certain predetermined threshold value like priority is reserved its required Radio Resource; At this moment, it is these higher priority business that the Radio Resource of relay station is kept in the base station, is higher than the professional required Radio Resource of certain predetermined threshold value like priority.
If do not receive the service access information applications at terminal after relay station powers on, relay station does not then send radio resource request to the base station, and therefore the base station is not reserved to relay station and be used for the Radio Resource of communicating by letter with relay station in the base station.
Step 104: relay station begins to base station transmits control signaling and data.
Step 105: when ensureing the initial resource request or the normal transmission of initial service; Relay station can also send metrical information to the base station; Relay station is pressed service priority with current time to the business of its application Radio Resource and is divided into groups, and calculates the traffic carrying capacity of each group; Metrical information comprises: press each traffic carrying capacity and priority, buffer status and the base station of this group and channel condition between the relay station of organizing that service priority divides into groups.
This metrical information can be periodically to send, and also can be that Event triggered property ground sends.Event triggered property ground sends metrical information and comprises a kind of or its combination in any in the following situation: send when the traffic carrying capacity of the Radio Resource application that the relay station current time is received is a lot, send when presetting certain threshold value as surpassing; When surpassing certain preset threshold value, the traffic carrying capacity of the buffer area of relay station sends; The relay station current time is received the business that need transmit immediately, and this moment relay station amount of radio resources send when being not enough to support said traffic transmission.For example:,, then should send metrical information to the base station immediately if this moment, relay station did not have enough Radio Resources to support this traffic transmission for the Radio Resource application of the business of special delay sensitive.
Step 106: the Radio Resource of relay station is kept in the base station according to the metrical information adjustment of receiving:
The Radio Resource that relay station is kept for according to the service priority and the adjustment of the channel condition between base station and relay station of its current loading condition, Radio Resource application in the base station; That is: the base station is with the traffic carrying capacity stack that has same priority in each priority service corresponding service amount of the current time of receiving and the relay station buffer area; Calculate total traffic carrying capacity of this priority; And the modulation coding mode that decision is adopted according to channel condition; Total traffic carrying capacity and modulation coding mode according to each priority service calculates the required Radio Resource of this group priority service again; And the current required reservation Radio Resource of relay station is promptly respectively organized professional required Radio Resource sum; If the base station present load is not high, when not surpassing certain preset threshold value, the base station then replenishes to be reserved the current Radio Resource that lacks of relay station or discharges the current unnecessary Radio Resource of keeping for relay station; If the base station present load is higher; When surpassing certain preset threshold value, higher priority business is given in the base station, and the business that is higher than certain higher limit like priority is replenished and reserved corresponding radio resource; The Radio Resource that is promptly lacked; And discharge the corresponding Radio Resource of having kept for the lower business of priority, be lower than the business of certain lower limit like priority, such as beginning to discharge from the minimum business of priority; The object of selecting to discharge that how much reaches that discharges resource can be decided according to actual conditions, how much can be the high part that business lacked of priority like what discharge resource.
Claims (9)
1. method of giving the relay station distributing radio resource comprises:
After the A relay station was accomplished the access with the base station, the base station was used in the Radio Resource of relay station and terminal communication to the relay station branch;
The B relay station to the base station send radio resource request and and the base station between channel condition;
It is characterized in that said step B also comprises: the base station is used for communicating by letter of base station and relay station according to said channel condition and the radio resource request reserved part Radio Resource received to relay station.
2. the method for claim 1 is characterized in that, relay station also sends metrical information to the base station simultaneously to base station transmits control signaling and data after the said step B, and the Radio Resource of keeping for relay station is adjusted after receiving said metrical information in the base station.
3. the method for claim 1; It is characterized in that; Among the said step B, relay station sends radio resource request to the base station and is meant: relay station divides into groups the service access information that send at the terminal of receiving by service priority, the business of same priority is put into same group; And according to each professional assurance bit rate and activate probability calculation and draw every group of professional traffic carrying capacity, the traffic carrying capacity of each group that will calculate again and the priority of this group report the base station.
4. method as claimed in claim 3; It is characterized in that; Among the said step B, the base station is meant to relay station according to said channel condition and the radio resource request reserved part Radio Resource received: after said radio resource request is received in the base station, and the modulation coding mode that decision is adopted according to channel condition; Calculate every group of required reserved radio resource of priority service according to the traffic carrying capacity and the modulation coding mode that report again; Its summation is the required Radio Resource of relay station, and when the current usable radio resources in base station during more than or equal to the required Radio Resource of relay station, its required Radio Resource is reserved to relay station in the base station; When the current usable radio resources in base station during less than the required Radio Resource of relay station, the professional required Radio Resource that priority is higher than predetermined threshold value is only reserved to relay station in the base station.
5. method as claimed in claim 4; It is characterized in that, among the said step B, if relay station is not received the service access information applications at terminal; Relay station does not then send radio resource request to the base station, and therefore the base station is not reserved to relay station and be used for the Radio Resource of communicating by letter with relay station in the base station.
6. method as claimed in claim 2 is characterized in that, said relay station sends metrical information for periodically sending or the transmission of Event triggered property ground to the base station.
7. like claim 2 or 6 described methods, it is characterized in that said metrical information comprises traffic carrying capacity and priority, buffer status and the relay station of this group and the channel condition between the base station of each group of according to priority dividing into groups of relay station current time.
8. method as claimed in claim 6 is characterized in that, said Event triggered property ground sends metrical information and comprises: send when the traffic carrying capacity of the Radio Resource application that the relay station current time is received surpasses predetermined threshold value; When surpassing predetermined threshold value, the traffic carrying capacity of the buffer area of relay station sends; The relay station current time is received the business that need transmit immediately, and this moment relay station amount of radio resources send when being not enough to support said traffic transmission.
9. method as claimed in claim 8; It is characterized in that; After the metrical information that relay station sends is received in said base station; Current time is respectively organized the traffic carrying capacity stack that has same priority in priority service corresponding service amount and the buffer area, calculate total traffic carrying capacity of respectively organizing priority, and the modulation coding mode that decision is adopted according to channel condition; Calculate according to total traffic carrying capacity and the modulation coding mode of each group priority service again and respectively organize the required Radio Resource of priority service; And the current required reservation Radio Resource of relay station is promptly respectively organized professional required Radio Resource sum, and when surpassing preset threshold value as if the base station present load, the base station then replenishes to be reserved the current Radio Resource that lacks of relay station or discharge the current unnecessary Radio Resource of keeping for relay station; When if the base station present load surpasses preset threshold value, the base station replenishes the corresponding Radio Resource that lacks of reservation to the business that priority is higher than higher limit, and discharges the corresponding Radio Resource of having kept for the lower business of priority.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710151519XA CN101389113B (en) | 2007-09-14 | 2007-09-14 | Method for allocating radio resource to relays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710151519XA CN101389113B (en) | 2007-09-14 | 2007-09-14 | Method for allocating radio resource to relays |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101389113A CN101389113A (en) | 2009-03-18 |
| CN101389113B true CN101389113B (en) | 2012-07-18 |
Family
ID=40478227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710151519XA Expired - Fee Related CN101389113B (en) | 2007-09-14 | 2007-09-14 | Method for allocating radio resource to relays |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101389113B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010118581A1 (en) * | 2009-04-17 | 2010-10-21 | 华为技术有限公司 | Method, device and system for processing information |
| CN101873642A (en) * | 2009-04-24 | 2010-10-27 | 大唐移动通信设备有限公司 | Method and device for reporting transmission buffering state of relay node |
| US8576714B2 (en) | 2009-05-29 | 2013-11-05 | Futurewei Technologies, Inc. | System and method for relay node flow control in a wireless communications system |
| WO2011020241A1 (en) * | 2009-08-19 | 2011-02-24 | 上海贝尔股份有限公司 | Method and corresponding device for scheduling downlink radio resources |
| CN101998495B (en) * | 2009-08-26 | 2015-08-12 | 中兴通讯股份有限公司 | A kind of method of reporting air interface congestion condition and via node |
| CN102036382B (en) * | 2009-09-30 | 2014-09-03 | 华为技术有限公司 | Method, system and device for allocating wireless resources |
| CN102035631B (en) * | 2009-10-08 | 2014-12-10 | 中兴通讯股份有限公司 | Feedback method and device for uplink access link channel quality instruction |
| EP2532201A1 (en) * | 2010-02-02 | 2012-12-12 | Nokia Corp. | Methods and apparatuses for resource mapping for multiple transport blocks over wireless backhaul link |
| CN103312726A (en) * | 2013-07-08 | 2013-09-18 | 东南大学 | End-to-end communication method applicable to wireless local area network |
| CN110149699A (en) * | 2018-02-11 | 2019-08-20 | 成都华为技术有限公司 | A kind of resource allocation method and node |
| WO2020146964A1 (en) * | 2019-01-14 | 2020-07-23 | Qualcomm Incorporated | Scheduling of multiple transport blocks for grant-free uplink transmission |
| CN112218339B (en) * | 2020-09-30 | 2023-03-14 | 三维通信股份有限公司 | Relay transmission scheduling method, device, storage medium and electronic equipment |
| DE102021204774A1 (en) | 2021-05-11 | 2022-11-17 | Continental Automotive Technologies GmbH | Relay selection method based on a composite load metric of multiple interfaces |
| EP4378279A1 (en) | 2021-07-26 | 2024-06-05 | Continental Automotive Technologies GmbH | Method for ue-to-ue relaying resource management |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101001098A (en) * | 2006-01-12 | 2007-07-18 | 华为技术有限公司 | Method for converting downlink signal from repeater and its equipment |
| CN101006660A (en) * | 2004-08-18 | 2007-07-25 | 摩托罗拉公司 | Method and apparatus for transparent relaying |
-
2007
- 2007-09-14 CN CN200710151519XA patent/CN101389113B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101006660A (en) * | 2004-08-18 | 2007-07-25 | 摩托罗拉公司 | Method and apparatus for transparent relaying |
| CN101001098A (en) * | 2006-01-12 | 2007-07-18 | 华为技术有限公司 | Method for converting downlink signal from repeater and its equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101389113A (en) | 2009-03-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101389113B (en) | Method for allocating radio resource to relays | |
| CN100566295C (en) | A kind of Packet Service scheduling method for wireless resource based on service quality guarantee | |
| JP4853732B2 (en) | Mobile communication system and communication control method thereof | |
| CA2392574A1 (en) | System, apparatus and method for uplink resource allocation | |
| KR20050038977A (en) | System and method for transmitting/receiving resource allocation information in a radio communication system | |
| KR101150651B1 (en) | A method for performing a scheduling algorithm with a minimum resource parameter and method of calculating same | |
| CN102946622A (en) | Method and device for establishing business flow as well as business flow revising method and device | |
| CN101742573B (en) | Radio resource management method and system | |
| CN102572959B (en) | A kind of power distribution network Access Layer communication system construction method based on LTE technology | |
| US8780879B2 (en) | Frequency band adjusting method, communication apparatus and frequency band adjusting apparatus | |
| CN101080878B (en) | Power link margin for high-speed downlink packet access | |
| CN101252698A (en) | Method for transmitting data and cellular system using the same | |
| CN106572497A (en) | Heuristic D2D resource allocation method based on proportional-fair algorithm | |
| WO1999009767A1 (en) | Signal transmission method and base station device for mobile communications | |
| CN101094505A (en) | Fast method for selecting subzone / sector | |
| CN101330467B (en) | Method for distributing resource of microwave transmission, system and microwave main station | |
| CN102469529A (en) | Resource allocation method and multi-mode controller | |
| CN110012541B (en) | Terminal capability level adjustment method, network side equipment and terminal | |
| CN104602298B (en) | Method and base station for air interface congestion control | |
| CN101415235A (en) | Scheduling method for enhancing broadcast and multicast business service quality | |
| CN105472658A (en) | Business flow deleting method and device | |
| CN101111039A (en) | Business measuring control method used for high speed descending grouping access system | |
| CN101998654B (en) | Static service and dynamic service space division multiplexing method, system and device | |
| EP1738534B1 (en) | A method and scheduler for performing a scheduling algorithm with minimum resource parameter | |
| KR20230048526A (en) | Information control method, apparatus and base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20190914 |