CN101252776B - Resource allocation method - Google Patents
Resource allocation method Download PDFInfo
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- CN101252776B CN101252776B CN 200810084567 CN200810084567A CN101252776B CN 101252776 B CN101252776 B CN 101252776B CN 200810084567 CN200810084567 CN 200810084567 CN 200810084567 A CN200810084567 A CN 200810084567A CN 101252776 B CN101252776 B CN 101252776B
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Abstract
The invention discloses a resource allocation method, which is used for allocating a part of the resource in a time-frequency area where a base station provides service for a terminal adopting 802.16e standard to a terminal supporting 802.16m standard. The method comprises the following steps: the base station sends control information in a time-frequency area ZoneM, the control information is used for notifying the 16m terminal base station to allocate resource in a time-frequency area ZoneE, at least a field A used for indicating the resource allocation condition in the time-frequency area ZoneE is carried in the control information, and the base station assigns a 16m terminal required to be notified in an obvious way or implicit way.
Description
Technical field
The present invention relates to wireless communication technology field, specifically, is the method for terminal being carried out efficient resource allocation at base station in wireless communication system.
Background technology
In the wireless communication system, the base station is to show the equipment that terminal provides service, and the base station communicates by uplink downlink and terminal, and the direction of terminal is arrived in the descending base station that refers to, the up direction that refers to terminal to base station.A plurality of terminals can send data by up link to the base station simultaneously, also can be by down link simultaneously from the base station receive data.
Adopt in the data transmission system of base station scheduling control, the dispatching distribution of all resources of system is undertaken by the base station usually, the resource situation that can use when resource allocation conditions and terminal are carried out uplink when carrying out downlink transfer such as the base station etc.
At present, IEEE (Institute of Electrical and Electronics Engineers) 802.16TGm working group is formulating the 802.16m standard, according to Project 802.16m System RequirementsDocument (SRD) system requirements document, this standard-required backward compatibility 802.16e standard, wherein require the terminal of support 802.16m standard to provide the time-frequency region of service to work in the terminal for employing 802.16e standard, how the reasonable terminal of efficiently the part resource in these time-frequency region being distributed to support 802.16m standard is used is a worth problem of studying.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of resource allocation methods, makes the base station will provide for the terminal that adopts the 802.16e standard part resource in the time-frequency region of service to distribute to the terminal of supporting the 802.16m standard and uses.
In order to solve the problems of the technologies described above, the invention provides a kind of resource allocation methods, to provide the time-frequency region of service to be called ZoneE for the terminal that adopts the 802.16e standard and the terminal that adopts the 802.16m standard, the terminal of described employing 802.16e standard is hereinafter to be referred as the 16e terminal, the terminal of described employing 802.16m standard is hereinafter to be referred as the 16m terminal, to only be called ZoneM for the 16m terminal provides the time-frequency region of service, described 16e terminal can not be worked in this zone, and described method comprises:
The base station transmits control message at time-frequency region ZoneM, being used for notice 16m terminal base station is the resource of its distribution at time-frequency region ZoneE, at least carry a field A who is used to indicate the upper resource allocation conditions of time-frequency region ZoneE in the described control message, the 16m terminal that needs notice is specified in described base station by obvious or implicit mode.
Further, when the 16m terminal that needs notice is specified by obvious mode in described base station, said method comprising the steps of: the base station transmits control message at time-frequency region ZoneM, described control message comprises a 16m terminal iidentification and a field A at least, and which resource that described field A is used to indicate on the time-frequency region ZoneE is distributed to described 16m terminal; After the 16m terminal receives described control message, if judge the terminal iidentification that oneself is arranged in this control message, then carry out data by definite which resource that oneself obtains on the time-frequency region ZoneE of the field A in the described control message and send or receive.
Further, when carrying a plurality of terminal iidentification in the control message, field A should have a plurality of mutually, the corresponding field A of each terminal iidentification.
Further, described method is used for allocation of downlink resource or ascending resource, behind the downlink resource on the time-frequency region ZoneE that described 16m terminal is determined oneself to obtain by the field A in the control message, utilizes this resource to carry out data receiver; Behind the ascending resource on the time-frequency region ZoneE that described 16m terminal is determined oneself to obtain by the field A in the control message, utilize this resource to carry out data and send.
Further, when the 16m terminal that needs notice is specified by implicit mode in described base station, said method comprising the steps of: base station structure control message, this control message comprises a field A who is used to indicate the upper resource allocation conditions of time-frequency region ZoneE at least, the base station adopts terminal iidentification that this control message is carried out Digital Signal Processing, sends described control message at time-frequency region ZoneM; The 16m terminal is in the process of this control message of decoding, in cataloged procedure, utilize the terminal iidentification of oneself to carry out Digital Signal Processing if judge this control message, then carry out data by definite which resource that oneself obtains on the time-frequency region ZoneE of the field A in the described control message and send or receive.
Further, described employing terminal iidentification carries out Digital Signal Processing to this control message and refers to: adopt terminal iidentification that the control message data are carried out scrambling, perhaps adopt terminal iidentification that the cyclic redundancy check (CRC) bit that produces in the cataloged procedure is carried out scrambling.
Further, described method is used for allocation of downlink resource or ascending resource, behind the downlink resource on the time-frequency region ZoneE that described 16m terminal is determined oneself to obtain by the field A in the control message, utilizes this resource to carry out data receiver; Behind the ascending resource on the time-frequency region ZoneE that described 16m terminal is determined oneself to obtain by the field A in the control message, utilize this resource to carry out data and send.
Further, the resource allocation conditions of described field A indication comprises following information: resource distribution location, the resource size of 16m terminal on the ZoneE zone.
Further, the expression mode of 16m terminal iidentification employing group in described control message sign, all terminals obtain the resource described among the field A jointly in the expression group; Perhaps described 16m terminal iidentification employing group identifies the expression mode that combines with bitmap BITMAP sequence, and wherein a terminal in the corresponding group of each bit in the BITMAP sequence indicates this terminal whether to obtain the resource of describing among the field A.
Further, also comprise data of description transmission means field in the described control message, comprising one or more of following content: modulation coding mode, the Data duplication number of times that transfer of data adopts, whether adopt MIMO, MIMO pattern.
Among the present invention, the 16m terminal will be distributed to for the 16e terminal provides the part resource in the time-frequency region of service by rational resource distribution mode in the base station, under this mode, the 16m terminal can be only only obtains to provide the resource allocation conditions relevant with oneself in the time-frequency region of service for the 16e terminal for the 16m terminal provides the control message that sends on the time-frequency region of service by decoding.
Description of drawings
Fig. 1 is the flow chart of first embodiment of the invention;
Fig. 2 is the flow chart of second embodiment of the invention;
Fig. 3 is the application example schematic diagram that downlink resource divides timing;
Fig. 4 is the application example schematic diagram that ascending resource divides timing.
Embodiment
Need to support simultaneously when the base station in the situation of 16m terminal and 16e terminal works, distribute to the use of 16m terminal with allocating in advance to part resource in the time-frequency region (being called ZoneE) that service is provided for the 16e terminal, suppose that the 16m terminal known which time-frequency region only provides service (these time-frequency region are called ZoneM) for the 16m terminal, be that the 16e terminal can't obtain any content from time-frequency region ZoneM, as shown in Figure 1, concrete steps are as follows:
When carrying a plurality of terminal iidentification in the control message, field A also should have a plurality of mutually, the corresponding field A of each terminal iidentification.
Can also comprise data of description transmission means field in this control message, can comprise modulation coding mode, Data duplication number of times that transfer of data adopts, whether adopt the contents such as MIMO, MIMO pattern such as this field.
Described step 101, in 102, described 16m terminal also can be one group of 16m terminal set, this moment, terminal iidentification can be the group sign, all terminals obtain the resource described among the field A jointly in the expression group, also can be mode (super mobile broadband (the Ultra Mobile Broadband that organizes to set up at 3GPP2 of group sign+BITMAP (bitmap) sequence, UMB) similar technology is arranged in the standard), wherein the BITMAP sequence length is generally equal to the number of terminal in the group, a terminal in this sequence in the corresponding group of each bit, value obtains the resource described among the field A for the group terminal of ' 1 ' expression correspondence position, be worth group terminal for ' 0 ' correspondence position and do not obtain the resource described among the field A.
In the present embodiment, the base station by obvious mode with terminal identifier notification to terminal.
In another embodiment, the base station also can be adopted following methods will allocate in advance to the part resource of regional ZoneE and be distributed to the 16m terminal, supposes which time-frequency region the 16m terminal known only for the 16m terminal provides service, and as shown in Figure 2, concrete steps are as follows:
Can also comprise data of description transmission means field in this control message, this field can comprise modulation coding mode, Data duplication number of times that transfer of data adopts, whether adopt the contents such as MIMO, MIMO pattern.
Step 203, this employing 802.16m standard determines that by field A which resource that oneself can obtain on the time-frequency region ZoneE carries out transfer of data or reception.
In the described step 201,202, described 16m terminal also can be the set of one group of 16m terminal, and this moment, terminal iidentification can be the group sign, and all terminals obtain the resource described among the field A jointly in the expression group, also can be the modes of group sign+BITMAP sequence.
In the present embodiment, the base station by implicit mode with terminal identifier notification to terminal, the benefit of doing like this is not need carried terminal to identify this information in the message, and terminal just can judge by modes such as CRC check whether this control message sends to oneself, thereby saves control overhead.
Application example one
Fig. 3 has described method shown in Figure 1 and has supported at the same time downlink resource allocation example in the wireless communication system of employing time-division multiplex technology of 16e terminal and 16m terminal works.Among the figure, the time-frequency region that is designated 802.16e represents that this zone can be the 16e terminal service is provided, also can be the 16m terminal service is provided, the time-frequency region that is designated 802.16m represents that this zone only can be the 16m terminal service is provided, and the 16m terminal obtains downlink resource distribution condition on the own time-frequency region that is being designated 802.16e by decoding at control message that the time-frequency region that is designated 802.16m sends.Like this, the 16m terminal can not decoded and is designated the control message that sends on the time-frequency region of 802.16e and just obtain own downlink resource distribution condition on this time-frequency region, thereby improves the stand-by time of 16m terminal.
Among Fig. 3, the data format of control message is as shown in table 1, comprises terminal iidentification, describes resource is distributed on the 802.16e time-frequency region field, the content such as modulation coding mode.
Table 1, control message form one
| Syntax | Notes |
| { | |
| Terminal iidentification | |
| Field A | The downlink resource distribution condition that terminal corresponding to terminal iidentification obtains in the 802.16e time-frequency region is described |
| Modulation coding mode | Which kind of modulation coding mode the description base station adopts is that terminal sends data |
| … | |
| } |
When the base station was a plurality of terminal distribution resource, control message can adopt data format as shown in table 2, comprised the contents such as field that resource on terminal number, terminal iidentification, the description 802.16e time-frequency region distributes, modulation coding mode.
Table 2, control message form two
| Syntax | Notes |
| { | |
| The terminal number | Description has the terminal of what employing 802.16m standards to obtain running time-frequency resource in the time-frequency region of supporting the 802.16e standard |
| For (i=0; I＜terminal number; I++) | |
| { |
| Terminal iidentification | |
| Field A | The downlink resource distribution condition that terminal corresponding to terminal iidentification obtains in the 802.16e time-frequency region is described |
| Modulation coding mode | Which kind of modulation coding mode the description base station adopts is that terminal sends data |
| … | |
| } | |
| } |
Application example two
Fig. 4 has described method shown in Figure 2 and has supported at the same time an ascending resource allocation example in the wireless communication system of employing time-division multiplex technology of 16e terminal and 16m terminal works.Among the figure, the time-frequency region that is designated 802.16e represents that this zone can be the 16e terminal service is provided, also can be the 16m terminal service is provided, the time-frequency region that is designated 802.16m represents that this zone only can be the 16m terminal service is provided, and the 16m terminal obtains ascending resource distribution condition on the own time-frequency region that is being designated 802.16e by decoding at control message that the time-frequency region that is designated 802.16m sends.Like this, adopt the terminal of 802.16m not decode to be designated the control message that sends on the time-frequency region of 802.16e just to obtain own ascending resource distribution condition on this time-frequency region, thereby improve the stand-by time of 16m terminal.
Among Fig. 4, the data format of control message is as shown in table 3, comprises contents such as describing resource is distributed on the 802.16e time-frequency region field, modulation coding mode.Terminal is by in the process of this control message of decoding, whether utilize the terminal iidentification of oneself to process by Digital Signal Processing mode (data are carried out scrambling or the cyclic redundancy check (CRC) bit that produces in the cataloged procedure is carried out scrambling as adopting terminal iidentification) when judging this message of base coded, if have, then terminal is known the resource of distributing in this message to oneself, otherwise ignores this message.
Table 3, control message form
| Syntax | Notes |
| { | |
| Field A | Terminal corresponding to terminal iidentification described when 802.16e |
| The ascending resource distribution condition that obtains on the frequency domain | |
| Modulation coding mode | Which kind of modulation coding mode the description base station adopts is that terminal sends data |
| … | |
| } |
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. resource allocation methods, to provide the time-frequency region of service to be called ZoneE for the terminal that adopts the 802.16e standard and the terminal that adopts the 802.16m standard, the terminal of described employing 802.16e standard is hereinafter to be referred as the 16e terminal, the terminal of described employing 802.16m standard is hereinafter to be referred as the 16m terminal, to only for providing the time-frequency region of service, the 16m terminal be called ZoneM, described 16e terminal can not be worked in this zone, it is characterized in that, described method comprises:
The base station transmits control message at time-frequency region ZoneM, being used for notice 16m terminal base station is the resource of its distribution at time-frequency region ZoneE, at least carry a field A who is used to indicate the upper resource allocation conditions of time-frequency region ZoneE in the described control message, the 16m terminal that needs notice is specified in described base station by obvious or implicit mode; Described obvious mode refers to that the base station transmits control message at time-frequency region ZoneM, and described control message comprises a 16m terminal iidentification and a field A at least; Described implicit mode refers to base station structure control message, and this control message comprises a field A who is used to indicate the upper resource allocation conditions of time-frequency region ZoneE at least, and the base station adopts terminal iidentification that this control message is carried out Digital Signal Processing.
2. the method for claim 1 is characterized in that, when the 16m terminal that needs notice is specified by obvious mode in described base station, said method comprising the steps of:
After the 16m terminal receives described control message, if judge the terminal iidentification that oneself is arranged in this control message, then carry out data by definite which resource that oneself obtains on the time-frequency region ZoneE of the field A in the described control message and send or receive.
3. method as claimed in claim 2 is characterized in that,
When carrying a plurality of terminal iidentification in the control message, field A should have a plurality of mutually, the corresponding field A of each terminal iidentification.
4. method as claimed in claim 2 is characterized in that,
Described method is used for allocation of downlink resource or ascending resource, behind the downlink resource on the time-frequency region ZoneE that described 16m terminal is determined oneself to obtain by the field A in the control message, utilizes this resource to carry out data receiver; Behind the ascending resource on the time-frequency region ZoneE that described 16m terminal is determined oneself to obtain by the field A in the control message, utilize this resource to carry out data and send.
5. the method for claim 1 is characterized in that, when the 16m terminal that needs notice is specified by implicit mode in described base station, said method comprising the steps of:
The 16m terminal is in the process of this control message of decoding, in cataloged procedure, utilize the terminal iidentification of oneself to carry out Digital Signal Processing if judge this control message, then carry out data by definite which resource that oneself obtains on the time-frequency region ZoneE of the field A in the described control message and send or receive.
6. method as claimed in claim 5, it is characterized in that, described employing terminal iidentification carries out Digital Signal Processing to this control message and refers to: adopt terminal iidentification that the control message data are carried out scrambling, perhaps adopt terminal iidentification that the cyclic redundancy check (CRC) bit that produces in the cataloged procedure is carried out scrambling.
7. method as claimed in claim 5 is characterized in that,
Described method is used for allocation of downlink resource or ascending resource, behind the downlink resource on the time-frequency region ZoneE that described 16m terminal is determined oneself to obtain by the field A in the control message, utilizes this resource to carry out data receiver; Behind the ascending resource on the time-frequency region ZoneE that described 16m terminal is determined oneself to obtain by the field A in the control message, utilize this resource to carry out data and send.
8. such as the described method of arbitrary claim in the claim 1 to 7, it is characterized in that,
The resource allocation conditions of described field A indication comprises following information: resource distribution location, the resource size of 16m terminal on the ZoneE zone.
9. such as claim 1 or 2 or 4 or 5 or 6 or 7 described methods, it is characterized in that,
The expression mode of 16m terminal iidentification employing group in described control message sign, all terminals obtain the resource described among the field A jointly in the expression group;
Perhaps described 16m terminal iidentification employing group identifies the expression mode that combines with bitmap BITMAP sequence, and wherein a terminal in the corresponding group of each bit in the BITMAP sequence indicates this terminal whether to obtain the resource of describing among the field A.
10. such as the described method of arbitrary claim in the claim 1 to 7, it is characterized in that,
Also comprise data of description transmission means field in the described control message, comprising one or more of following content: modulation coding mode, the Data duplication number of times that transfer of data adopts, whether adopt MIMO, MIMO pattern.
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| CN 200810084567 CN101252776B (en) | 2008-04-03 | 2008-04-03 | Resource allocation method |
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| CN 200810084567 CN101252776B (en) | 2008-04-03 | 2008-04-03 | Resource allocation method |
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| CN101252776B true CN101252776B (en) | 2013-01-16 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8804658B2 (en) * | 2008-10-22 | 2014-08-12 | Mediatek Inc. | Method and apparatus for handover between IEEE 802.16e and 802.16m systems |
| CN101730233B (en) * | 2008-10-31 | 2016-03-30 | 中兴通讯股份有限公司 | Method for processing resource |
| CN101820678B (en) * | 2009-02-28 | 2014-09-10 | 中兴通讯股份有限公司 | Method and system for backward compatibility of traditional base station under idle mode |
| CN101867882B (en) * | 2009-04-14 | 2015-10-21 | 中兴通讯股份有限公司 | Message sends and message feedback preprocess method |
| CN101867981B (en) * | 2009-04-17 | 2015-01-28 | 中兴通讯股份有限公司 | Network topology information sending and acquiring method |
| CN102450044B (en) | 2009-06-12 | 2014-01-08 | 华为技术有限公司 | System compatibility method and device |
| CN101945484A (en) * | 2009-07-04 | 2011-01-12 | 中兴通讯股份有限公司 | Resource allocation indicating method |
| US8520542B2 (en) | 2010-02-12 | 2013-08-27 | Mediatek Inc. | Uplink power control message design in wireless OFDMA systems |
| CN102196574B (en) * | 2010-03-05 | 2015-10-21 | 中兴通讯股份有限公司 | The indicating means of Resources allocation and base station |
| WO2016173103A1 (en) | 2015-04-30 | 2016-11-03 | 华为技术有限公司 | Resource indication method and apparatus for wlan system |
| BR112019002616A2 (en) | 2016-08-12 | 2019-05-28 | Huawei Tech Co Ltd | data transmission method and device |
| CN107889260B (en) * | 2016-09-30 | 2020-11-10 | 华为技术有限公司 | Method and device for transmitting control information |
| CN112950447B (en) * | 2019-12-10 | 2023-04-28 | 浙江宇视科技有限公司 | Resource scheduling method, device, server and storage medium |
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| CN101064903A (en) * | 2006-04-25 | 2007-10-31 | 华为技术有限公司 | Communication system resource distribution indicated method, base station and user equipment |
| CN101459641A (en) * | 2007-12-14 | 2009-06-17 | 华为技术有限公司 | Resource acquiring method, system, terminal and base station |
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