CN102340872A - Method and device for realizing resource distribution - Google Patents
Method and device for realizing resource distribution Download PDFInfo
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- CN102340872A CN102340872A CN2010102348124A CN201010234812A CN102340872A CN 102340872 A CN102340872 A CN 102340872A CN 2010102348124 A CN2010102348124 A CN 2010102348124A CN 201010234812 A CN201010234812 A CN 201010234812A CN 102340872 A CN102340872 A CN 102340872A
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Abstract
The invention discloses a method and device for realizing resource distribution. The method and device can be used for grouping and dividing the occupied physical resources into continuous resource blocks; and when the continuous resource blocks exist, grouped resource block position signs can be used for identifying the continuous resource blocks. The method and device for realizing resource distribution provided by the invention can be used for obviously reducing the content for identifying the resource blocks, thereby effectively reducing the system cost; and the effect is obvious under the condition of great communication traffic.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of method and apparatus of realizing resource allocation.
Background technology
In follow-on broadband wireless communication network,, need under the bandwidth in the current wireless communication system, support bigger bandwidth in order to improve inter-cell user terminal throughput and user terminal average throughput.
At present; Long Term Evolution (Long Term Evolution in third generation partner program; LTE) propose to adopt the mode of carrier aggregation to come in current wireless communication system, to support effectively bigger bandwidth in the technology, to satisfy in the new generation of wireless standard demand to indexs such as throughput, peak rates.Carrier aggregation is to support the key technology of bigger bandwidth in the future broadband wireless communication systems, through different carrier waves is carried out polymerization, forms the carrier wave of bigger bandwidth, on the bandwidth after the polymerization, support to have stronger ability user side (UserEquipment, UE).
When the communication technologys such as application carrier aggregation,, then can identify the shared Physical Resource Block of UE through beginning flag and end mark are set if UE has taken the Physical Resource Block on a plurality of bunches (Cluster), frequency band or other resources.But each Physical Resource Block all will be used beginning flag and end mark identifies owing to be directed against, so obviously increase of overhead, reduces system processing power and communication quality greatly; And the problems referred to above show especially obviously under the big situation of the traffic.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and apparatus of realizing resource allocation, to reduce overhead.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method that realizes resource allocation, this method comprises:
Occupied Physical Resource Block is divided into groups, mark off the continuous resource piece;
When having the continuous resource piece, with grouping resources piece tick lables sign continuous resource piece.
When carrying out said grouping, further mark off Resource Block at interval;
This method further comprises:
When having the interval Resource Block, with a tick lables sign interval Resource Block.
Said tick lables is the beginning flag or the end mark of Resource Block.
Said grouping resources piece tick lables comprises:
Beginning flag, divide into groups sign, end mark.
This method further comprises:
The preset threshold value of selecting when occupied said Resource Block is selected threshold value greater than this, triggers the execution that operation was divided and identified to said Resource Block.
A kind of device of realizing resource allocation, this device comprise Resource Block grouped element, Resource Block identify unit; Wherein,
Said Resource Block grouped element is used for occupied Physical Resource Block is divided into groups, and marks off the continuous resource piece;
Said Resource Block identify unit is used for when having the continuous resource piece, identifies the continuous resource piece that said Resource Block grouped element marks off with grouping resources piece tick lables.
When said Resource Block grouped element carries out said grouping, be further used for marking off Resource Block at interval;
Said Resource Block identify unit is further used for when having the interval Resource Block, with a tick lables sign interval Resource Block.
Said tick lables is the beginning flag or the end mark of Resource Block.
Said grouping resources piece tick lables comprises:
Beginning flag, divide into groups sign, end mark.
This device further comprises the group character trigger element, is used for:
The preset threshold value of selecting, when occupied said Resource Block was selected threshold value greater than this, the Resource Block that triggers said Resource Block grouped element was divided and the execution of the sign operation of said Resource Block identify unit.
The present invention realizes the method and apparatus of resource allocation, can obviously reduce the content that is used for the identifying resource piece, therefore can effectively reduce overhead; And above-mentioned effect shows especially obviously under the big situation of the traffic.
Description of drawings
Fig. 1 is the flow chart of the realization resource allocation of one embodiment of the invention;
Fig. 2 realizes the general flow chart of resource allocation for the present invention;
Fig. 3 is the installation drawing of the realization resource allocation of one embodiment of the invention.
Embodiment
In general, when only taking a Physical Resource Block, beginning flag and end mark only are set at present.If two end marks are adjacent or two beginning flags when adjacent, UE thinks only to have taken a Physical Resource Block.For further reduce the UE that will indicate take the content of Physical Resource Block; Can divide into groups according to the situation that takies Physical Resource Block; For example, be the interval with two adjacent end marks or two adjacent beginning flags, divide different Physical Resource Block in different packets.
The sign that is used to identify when at this moment, UE takies a Physical Resource Block just can use the spacing identification mode of having only a beginning flag or end mark; And when UE took a plurality of continuous physical resource piece, the sign that is used to identify just can use beginning flag, preset grouping sign and the group character mode of end mark, identifies the start-stop scope of Physical Resource Block and affiliated grouping.For example, when UE takies that at interval identical Physical Resource Block number is 10,, need 10 and identify if when adopting beginning flag or end mark sign; And when adopting the group character mode, only need 3: the 1st indication beginning flag, the 2nd with dividing into groups sign indication packet type, the 3rd indication end mark.
At this moment, the shared resource of group character mode is original 33%, has significantly reduced overhead.And the interval physics resource block number that UE takies is many more, and the shared overhead of group character mode just reduces obviously more.If the actual conditions of the Physical Resource Block that takies according to UE in the system; Rationally use the associating of spacing identification mode, group character mode and two kinds of identification means by base station (BS) according to the shared ratio of Physical Resource Block in all Physical Resource Block of UE, can further reduce overhead.
Referring to Fig. 1, Fig. 1 is the flow chart of the realization resource allocation of one embodiment of the invention, and this flow process may further comprise the steps:
Step 101:BS is provided with the selection threshold value of Physical Resource Block in all Physical Resource Block that take.
Step 102:BS confirms the Physical Resource Block that UE is shared.
Step 103:BS confirms the ratio of Physical Resource Block in all Physical Resource Block that UE takies.
Step 104:BS confirms the situation of the interval Physical Resource Block in the Physical Resource Block that UE takies.
Step 105:BS confirms that according to the situation that UE takies Physical Resource Block Physical Resource Block divides into groups, and definite grouping mark.
Step 106: whether judge the shared Resource Block of UE greater than preset selection threshold value, if greater than, get into step 107; Otherwise, get into step 109.
Step 107:BS uses Physical Resource Block group character mode.
Step 108:BS confirms the beginning flag of grouping Physical Resource Block, divide into groups sign, end mark.Get into step 111.
Step 109:BS uses the spacing identification mode that only identifies beginning flag or end mark.
Step 110:BS confirms the beginning flag or the end mark of Physical Resource Block.
The sign of the Physical Resource Block that step 111:BS completion UE takies.
Visible by Fig. 1, in practical application, can divide into groups to occupied Physical Resource Block, be divided into Resource Block, continuous resource piece at interval; And at the shared Resource Block of UE during greater than preset selection threshold value, the application packet identification means identifies Resource Block, as: when having the continuous resource piece, identify the continuous resource piece with beginning flag, the sign that divides into groups, end mark.Certainly, when having the interval Resource Block, can also identify Resource Block at interval with the spacing identification mode that only comprises a tick lables (as: present applied beginning flag or end mark).
Need to prove, whether also can not judge the shared Resource Block of UE greater than preset selection threshold value, but when having the continuous resource piece, directly the application packet identification means identifies to Resource Block.In addition, also can not use the spacing identification mode to identify Resource Block at interval, but the group character mode is combined with Resource Block identification means of the prior art, Resource Block is identified, this can effectively reduce overhead equally.
Can know that in conjunction with above description the present invention realizes that the operation thinking of resource allocation can represent as shown in Figure 2.Referring to Fig. 2, Fig. 2 realizes the general flow chart of resource allocation for the present invention, and this flow process may further comprise the steps:
Step 210: occupied Physical Resource Block is divided into groups, be divided into Resource Block, continuous resource piece at interval.
Step 220: when having the interval Resource Block, with a tick lables sign interval Resource Block; When having the continuous resource piece, with beginning flag, the sign that divides into groups, end mark sign continuous resource piece.
In order to guarantee that above-mentioned technical description can carry out smoothly, can be provided with device as shown in Figure 3.Referring to Fig. 3, Fig. 3 is the installation drawing of the realization resource allocation of one embodiment of the invention, and this device comprises Resource Block grouped element, Resource Block identify unit, the group character trigger element that can link to each other successively or otherwise connect; Above-mentioned each unit can be arranged in the functional entitys such as BS.
During concrete the application, the Resource Block grouped element can divide into groups to occupied Physical Resource Block, is divided into Resource Block, continuous resource piece at interval.The Resource Block identify unit then can when having the interval Resource Block, identify Resource Block at interval with the spacing identification mode that only comprises a tick lables according to the division of Resource Block grouped element to Resource Block; When having the continuous resource piece, identify the continuous resource piece with the group character mode that comprises beginning flag, grouping sign, end mark.
Need to prove; As can extra additional functional entity; The group character trigger element can be judged the shared Resource Block of UE whether greater than preset selection threshold value, and judged result be greater than the time notice Resource Block identify unit application packet identification means identify the continuous resource piece.When not needing application packet sign trigger element, can the group character mode in the group character trigger element be enabled to be made as and forbid.
The concrete function that above-mentioned each unit can be realized is set forth in aforementioned techniques is described in detail, repeats no more at this.What need further set forth is that in practical application, the mode of sign continuous resource piece can have multiple, except indicating, the end mark, can also use start-stop area flag, order of packets sign etc. with beginning flag, grouping.In fact, accurately identify the continuous resource piece as long as can application class like the grouping resources piece tick lables of above-mentioned sign.
Visible in sum, no matter be method or device, the present invention realizes the technology of resource allocation, can obviously reduce the content that is used for the identifying resource piece, therefore can effectively reduce overhead; And above-mentioned effect shows especially obviously under the big situation of the traffic.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method that realizes resource allocation is characterized in that, this method comprises:
Occupied Physical Resource Block is divided into groups, mark off the continuous resource piece;
When having the continuous resource piece, with grouping resources piece tick lables sign continuous resource piece.
2. method according to claim 1 is characterized in that, when carrying out said grouping, further marks off Resource Block at interval;
This method further comprises:
When having the interval Resource Block, with a tick lables sign interval Resource Block.
3. method according to claim 2 is characterized in that, said tick lables is the beginning flag or the end mark of Resource Block.
4. according to each described method of claim 1 to 3, it is characterized in that said grouping resources piece tick lables comprises:
Beginning flag, divide into groups sign, end mark.
5. method according to claim 4 is characterized in that, this method further comprises:
The preset threshold value of selecting when occupied said Resource Block is selected threshold value greater than this, triggers the execution that operation was divided and identified to said Resource Block.
6. a device of realizing resource allocation is characterized in that, this device comprises Resource Block grouped element, Resource Block identify unit; Wherein,
Said Resource Block grouped element is used for occupied Physical Resource Block is divided into groups, and marks off the continuous resource piece;
Said Resource Block identify unit is used for when having the continuous resource piece, identifies the continuous resource piece that said Resource Block grouped element marks off with grouping resources piece tick lables.
7. device according to claim 6 is characterized in that, when said Resource Block grouped element carries out said grouping, is further used for marking off Resource Block at interval;
Said Resource Block identify unit is further used for when having the interval Resource Block, with a tick lables sign interval Resource Block.
8. device according to claim 7 is characterized in that, said tick lables is the beginning flag or the end mark of Resource Block.
9. according to each described device of claim 6 to 8, it is characterized in that said grouping resources piece tick lables comprises:
Beginning flag, divide into groups sign, end mark.
10. device according to claim 9 is characterized in that, this device further comprises the group character trigger element, is used for:
The preset threshold value of selecting, when occupied said Resource Block was selected threshold value greater than this, the Resource Block that triggers said Resource Block grouped element was divided and the execution of the sign operation of said Resource Block identify unit.
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| CN2010102348124A CN102340872A (en) | 2010-07-21 | 2010-07-21 | Method and device for realizing resource distribution |
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| CN2010102348124A CN102340872A (en) | 2010-07-21 | 2010-07-21 | Method and device for realizing resource distribution |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102870481A (en) * | 2012-06-27 | 2013-01-09 | 华为技术有限公司 | Sending method, analytical method, apparatus and system for time-frequency resource allocation messages |
| CN108809567A (en) * | 2017-05-04 | 2018-11-13 | 华为技术有限公司 | resource indicating method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101119277A (en) * | 2006-08-03 | 2008-02-06 | 北京三星通信技术研究有限公司 | Device and method for transmitting control signalling |
| CN101378289A (en) * | 2008-09-23 | 2009-03-04 | 中兴通讯股份有限公司 | Method and apparatus for denoting physical resource |
| US20100157913A1 (en) * | 2006-08-22 | 2010-06-24 | Ntt Docomo, Inc. | Transmission device |
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2010
- 2010-07-21 CN CN2010102348124A patent/CN102340872A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101119277A (en) * | 2006-08-03 | 2008-02-06 | 北京三星通信技术研究有限公司 | Device and method for transmitting control signalling |
| US20100157913A1 (en) * | 2006-08-22 | 2010-06-24 | Ntt Docomo, Inc. | Transmission device |
| CN101378289A (en) * | 2008-09-23 | 2009-03-04 | 中兴通讯股份有限公司 | Method and apparatus for denoting physical resource |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102870481A (en) * | 2012-06-27 | 2013-01-09 | 华为技术有限公司 | Sending method, analytical method, apparatus and system for time-frequency resource allocation messages |
| WO2014000188A1 (en) * | 2012-06-27 | 2014-01-03 | 华为技术有限公司 | Method, apparatus and system for sending and analyzing time-frequency resource allocation message |
| CN102870481B (en) * | 2012-06-27 | 2015-12-23 | 华为技术有限公司 | Time-frequency resource allocating message method, analytic method and Apparatus and system |
| CN108809567A (en) * | 2017-05-04 | 2018-11-13 | 华为技术有限公司 | resource indicating method and device |
| CN108809567B (en) * | 2017-05-04 | 2022-03-08 | 华为技术有限公司 | Resource indication method and device |
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Application publication date: 20120201 |