CN101399772B - Bandwidth allocation method and device based on multi-carrier - Google Patents
Bandwidth allocation method and device based on multi-carrier Download PDFInfo
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- CN101399772B CN101399772B CN2008101660978A CN200810166097A CN101399772B CN 101399772 B CN101399772 B CN 101399772B CN 2008101660978 A CN2008101660978 A CN 2008101660978A CN 200810166097 A CN200810166097 A CN 200810166097A CN 101399772 B CN101399772 B CN 101399772B
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Abstract
The invention discloses a bandwidth allocation method based on multi-carrier and a device thereof; wherein, the method comprises that a base station confirms the bandwidth which is needed for carrying the resources according to the bandwidth information of the resources allocated by a terminal, and the resources are allocated in a centralized way according to the bandwidth; in the process of allocating the resources in the centralized way, the carrier which is activated is preferably used. By adopting the technical proposal of the invention, the power consumption can be reduced.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of bandwidth allocation methods and device based on multicarrier.
Background technology
The 4th third-generation mobile communication system has very high spectrum efficiency; In the 4th third-generation mobile communication system, mobile subscriber's message transmission rate will reach 100Mbit/s, and the stationary user message transmission rate can reach 1Gbit/s; And; For the system bandwidth of each sub-district is set according to business demand flexibly, the bandwidth of the 4th third-generation mobile communication system can be up to 100MHz, and adaptive-bandwidth.Because the needs of GSM smooth evolution, in the regular hour, the 4th third-generation mobile communication system and 3-G (Generation Three mobile communication system) (for example synchronous code division multiple access system of time-division or 802.16E system etc.) will be compatible or coexist.
The 4th third-generation mobile communication system is provided with the system bandwidth of each sub-district flexibly according to business demand for ease; In the 4th third-generation mobile communication system; The terminal be can compatible various bandwidth ability the terminal; For example may be defined as 20M, 40M, 100M terminal etc. in International Telecommunications Union's (International MobileTelecommunication abbreviates IMT as).
OFDM (Orthogonal frequency Division Multiplexing abbreviates OFDM as) technology relates generally to FFT (Fast Fourier Transform abbreviates FFT as) and multi-user's carrier wave quadrature; At present, all be based on the maximum bandwidth that terminal bandwidth is a system, during the emission of terminal based on the system of OFDM; Be the emission of full range band; For example, in 36.300 standards in the long evolving system (Long Term Evolution abbreviates LTE as); Handle data according to maximum bandwidth at the terminal, and its complexity and radio-frequency power consumption all are maximum.
At present, the data processing method at single carrier terminal only is provided in the existing technical scheme,, has not provided concrete solution, therefore, needed a kind of scheme that can address this problem for the data processing method of multi-carrier terminal.
Summary of the invention
Consider that a kind of technology of the needs that exist in the correlation technique solves based on the problem of the allocated bandwidth of multi-carrier terminal and proposes the present invention; For this reason; Main purpose of the present invention is to provide a kind of bandwidth allocation methods and device based on multicarrier, to address the above problem.
According to an aspect of the present invention, a kind of bandwidth allocation methods based on multicarrier is provided.
Bandwidth allocation methods based on multicarrier according to the present invention comprises: the base station is according to the bandwidth information that is the resource of terminal distribution; Confirm the bandwidth that bearing resource is required; And carry out distributing in the resource set according to the bandwidth of confirming; Wherein, in carrying out resource set, divide timing, the preferential carrier wave that is in state of activation that uses.
According to an aspect of the present invention, a kind of bandwidth allocation methods based on multicarrier is provided.
Bandwidth allocation methods based on multicarrier according to the present invention comprises: the bandwidth that data waiting for transmission are required is confirmed at the terminal, and wherein, the terminal has a plurality of carrier waves of base station assigns; The terminal carries out distributing in the resource set according to bandwidth, wherein, in carrying out resource set, divides timing, the preferential carrier wave that is in state of activation that uses.
According to an aspect of the present invention, a kind of allocated bandwidth device based on multicarrier is provided, this device can be positioned at base station side or end side.
Allocated bandwidth device based on multicarrier according to the present invention comprises: determination module is used for confirming the bandwidth of resource waiting for transmission or data; Distribution module is used for carrying out resource set according to the bandwidth that determination module is confirmed and distributes, and wherein, in carrying out resource set, divides timing, the preferential carrier wave that is in state of activation that uses; Administration module is used to manage the state of carrier wave, and the carrier wave that carries resource or data is set to be in state of activation, does not have the carrier wave of bearing resource or data to be set to be in resting state.
Through above-mentioned at least one technical scheme of the present invention, provide multi-carrier terminal to carry processing method of data, through this method, can reduce the loss of power.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart based on the bandwidth allocation methods of multicarrier according to the inventive method embodiment;
Fig. 2 (a) is that the system bandwidth according to the embodiment of the invention is a 60M downlink frame structural representation;
Fig. 2 (b) is that the system bandwidth according to the embodiment of the invention is a 40M downlink frame structural representation;
Fig. 3 is the flow chart based on the bandwidth allocation methods of multicarrier according to the inventive method embodiment;
Fig. 4 is the detailed process flow chart based on the bandwidth allocation methods of multicarrier according to the inventive method embodiment;
Fig. 5 is the structural representation according to the sub-frame of uplink at the terminal of method shown in Figure 4;
Fig. 6 is the structured flowchart based on the allocated bandwidth device of multicarrier according to apparatus of the present invention embodiment.
Embodiment
To combine accompanying drawing to describe the present invention in detail below.
Method embodiment
According to the embodiment of the invention, a kind of bandwidth allocation methods based on multicarrier is provided.
Fig. 1 is the flow chart based on the bandwidth allocation methods of multicarrier according to the embodiment of the invention, and as shown in Figure 1, this method may further comprise the steps:
Step S102, the bandwidth that bearing resource is required is confirmed according to being the bandwidth information of the resource of terminal distribution in the base station;
Step S104 carries out distributing in the resource set according to the bandwidth of confirming, wherein, in carrying out resource set, divides timing, the preferential carrier wave that is in state of activation that uses.
Through the technical scheme that the embodiment of the invention provides, provide multi-carrier terminal to carry processing method of data, through this method, can reduce the loss of power.
Preferably, for the idle carrier wave that does not have bearing resource, can be set to resting state by the free time carrier wave.
Further, this method also comprises: the base station utilizes the carrier wave indicating terminal that is in state of activation to carry out the carrier wave that resource receives, and wherein, the carrier wave that is in state of activation is the carrier wave that carries resource.
In addition; In carrying out resource set, divide timing; If be not in the carrier wave of state of activation, the demand and the size that can priority activation can satisfy the broadband are used for bearing resource with definite immediate idle carrier wave of bandwidth, can also activate arbitrary idle carrier wave and be used for bearing resource.
Downlink frame structure reference configuration sketch map when the downlink frame structure reference configuration sketch map when Fig. 2 (a) shows minimum bandwidth and is 20M, and the bandwidth of this system is 60M, Fig. 2 (b) show minimum bandwidth and be 20M; And the bandwidth of this system is 40M, when carrying out downlink transfer, when system is the terminal distribution resource; Can confirm to carry the required bandwidth of this resource according to the bandwidth information of resource, the terminal can carry out distributing in the resource set according to this bandwidth; The promptly preferential carrier wave that is in state of activation that uses receives the resource that the base station issues, and wherein, the carrier wave that is in state of activation is the carrier wave that carries resource; In addition, if be not in the carrier wave of state of activation, the demand and the size that can priority activation can satisfy the broadband are used for bearing resource with definite immediate idle carrier wave of bandwidth; Can also activate arbitrary idle carrier wave and be used for bearing resource; And for the idle carrier wave that does not have bearing resource, the terminal can be set to resting state by the free time carrier wave.
Fig. 3 is the flow chart based on the bandwidth allocation methods of multicarrier according to the embodiment of the invention, and as shown in Figure 3, this method may further comprise the steps:
Step S302, the bandwidth that data waiting for transmission are required is confirmed at the terminal, wherein, the terminal has a plurality of carrier waves of base station assigns;
Step S304, the terminal carries out distributing in the resource set according to bandwidth, wherein, in carrying out resource set, divides timing, the preferential carrier wave that is in state of activation that uses.
Through the technical scheme that the embodiment of the invention provides, provide multi-carrier terminal to carry processing method of data, through this method, can reduce the loss of power.
Preferably, for the idle carrier wave that does not have bearing resource, can be set to resting state by the free time carrier wave.
In addition; In carrying out resource set, divide timing; If be not in the carrier wave of state of activation, the demand and the size that can priority activation can satisfy the broadband are used to transmit data with definite immediate idle carrier wave of bandwidth, can also activate arbitrary idle carrier wave and be used to transmit data.
Fig. 4 is the detailed process flow chart based on the bandwidth allocation methods of multicarrier according to the embodiment of the invention, and wherein, Fig. 5 is the uplink frame structural representation according to the terminal of this method, and is as shown in Figure 4, and this method may further comprise the steps:
Step S402, the terminal produces data source, and encodes, modulates;
Step S404, the base station is the carrier wave of terminal distribution transmission data, the terminal is according to the carrier transmission data of base station assigns; This terminal has a plurality of carrier waves of base station assigns, and the terminal carries out distributing in the resource set according to bandwidth, wherein; In carrying out resource set, divide timing; The preferential use is in the carrier wave of state of activation, if be not in the carrier wave of state of activation, the demand and the size that can priority activation can satisfy the broadband are used to transmit data with definite immediate idle carrier wave of bandwidth; Can also activate arbitrary idle carrier wave and be used to transmit data; With the frequency range position of tense marker place terminal bandwidth, and for the idle carrier wave that does not have bearing resource, the terminal can be set to resting state by the free time carrier wave;
Step S406, invert fast fourier transformation (Inverse Fast Fourier Transform abbreviates IFFT as) is accomplished to the frequency range of respective markers in the terminal, is time domain data with data transaction;
Step S408, launch the Data-carrying of above-mentioned time domain frequency range at the terminal to corresponding radio-frequency carrier;
Step S410, the base station is carried out filtering according to unit bandwidth to the data that receive, and extracts the real data of each unit bandwidth;
Step S412; Base station side can be assigned a plurality of unit bandwidth filters, leaches the information of each unit bandwidth respectively, and each frequency range data are carried out invert fast fourier transformation (FastFourier Transform; Abbreviate FFT as), demodulation and decoding, accomplish the extraction of data.
Device embodiment
According to the embodiment of the invention, a kind of allocated bandwidth device based on multicarrier is provided.
Fig. 6 shows the structured flowchart based on the allocated bandwidth device of multicarrier according to the embodiment of the invention, and this device can be positioned at base station side, also can be positioned at end side, and is as shown in Figure 6, and this device comprises:
Determination module 10 is used for confirming the bandwidth of resource waiting for transmission or data;
Distribution module 20 is used for carrying out resource set according to the bandwidth that determination module is confirmed and distributes, and wherein, in carrying out resource set, divides timing, the preferential carrier wave that is in state of activation that uses, and this module can be connected to determination module 10;
Administration module 30 is used to manage the state of carrier wave, and the carrier wave that carries resource or data is set to be in state of activation, does not have the carrier wave of bearing resource or data to be set to be in resting state, and this module can be connected to distribution module 20.
Through the allocated bandwidth device that the embodiment of the invention provides based on multicarrier, provide multi-carrier terminal to carry processing method of data, through this method, can reduce the loss of power.
As stated, by means of bandwidth allocation methods and/or the device based on multicarrier provided by the invention, provide multi-carrier terminal to carry processing method of data; Through this method; Can reduce the loss of power, under the ofdm system, under the situation of the little business of major part, up small data quantity; Accomplish less power loss, corresponding reduced in the channel noise and for other users' interference.
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. the bandwidth allocation methods based on multicarrier is characterized in that, comprising:
The required bandwidth of said resource is confirmed to carry according to being the bandwidth information of the resource of terminal distribution in the base station, and carries out distributing in the resource set according to the said bandwidth of confirming, wherein, in carrying out resource set, divides timing, the preferential carrier wave that is in state of activation that uses; Wherein, said terminal has a plurality of carrier waves of base station assigns.
2. method according to claim 1 is characterized in that, said method also comprises:
For the idle carrier wave that does not have bearing resource, it is set to resting state.
3. method according to claim 1 is characterized in that, said method also comprises:
Said base station utilizes the carrier wave that is in state of activation to indicate said terminal to carry out the carrier wave that resource receives, and wherein, the said carrier wave that is in state of activation is the carrier wave that carries resource.
4. according to each described method in the claim 1 to 3; It is characterized in that; In carrying out resource set, divide timing, if be not in the carrier wave of state of activation, demand and the immediate idle carrier wave of said bandwidth big or small and that confirm that priority activation can satisfy said broadband are used for bearing resource.
5. according to each described method in the claim 1 to 3, it is characterized in that, in carrying out resource set, divide timing,, then activate arbitrary idle carrier wave and be used for bearing resource if be not in the carrier wave of state of activation.
6. the bandwidth allocation methods based on multicarrier is characterized in that, comprising:
The bandwidth that data waiting for transmission are required is confirmed at the terminal, and wherein, said terminal has a plurality of carrier waves of base station assigns;
Said terminal carries out distributing in the resource set according to said bandwidth, wherein, in carrying out resource set, divides timing, the preferential carrier wave that is in state of activation that uses.
7. method according to claim 6 is characterized in that, said method also comprises:
For the idle carrier wave that does not have bearing resource, it is set to resting state.
8. according to claim 6 or 7 described methods; It is characterized in that; In carrying out resource set, divide timing, if be not in the carrier wave of state of activation, then the priority activation demand and the size that can satisfy said broadband is used to transmit data with definite immediate idle carrier wave of said bandwidth.
9. according to claim 6 or 7 described methods, it is characterized in that, in carrying out resource set, divide timing,, then activate arbitrary idle carrier wave and be used to transmit data if be not in the carrier wave of state of activation.
10. the allocated bandwidth device based on multicarrier is positioned at base station side or end side, it is characterized in that said device comprises:
Determination module is used for confirming the bandwidth of resource waiting for transmission or data;
Distribution module is used for carrying out resource set according to the said bandwidth that said determination module is confirmed and distributes, and wherein, in carrying out resource set, divides timing, the preferential carrier wave that is in state of activation that uses;
Administration module is used to manage the state of carrier wave, and the carrier wave that carries resource or data is set to be in state of activation, does not have the carrier wave of bearing resource or data to be set to be in resting state.
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| CN2008101660978A CN101399772B (en) | 2008-10-20 | 2008-10-20 | Bandwidth allocation method and device based on multi-carrier |
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| CN2008101660978A CN101399772B (en) | 2008-10-20 | 2008-10-20 | Bandwidth allocation method and device based on multi-carrier |
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| CN101399772B true CN101399772B (en) | 2012-07-04 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101600245B (en) * | 2009-06-30 | 2011-12-28 | 中兴通讯股份有限公司 | Method and device for activating and deactivating auxiliary carrier in dual carrier HSDPA |
| CN102088433B (en) * | 2009-12-08 | 2015-01-28 | 中兴通讯股份有限公司 | Method and system of optimizing activation and deactivation of component carrier in multicarrier system |
| US9876603B2 (en) * | 2013-08-01 | 2018-01-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Parameter control for optical multicarrier signal |
| CN107277863B (en) * | 2016-04-07 | 2019-11-15 | 中兴通讯股份有限公司 | A kind of method for channel allocation and system |
| CN109951853B (en) * | 2017-12-21 | 2022-05-10 | 中国移动通信集团设计院有限公司 | Frequency planning method and device for dual-carrier pilot frequency networking |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101102262A (en) * | 2006-07-03 | 2008-01-09 | 华为技术有限公司 | Method for allocating sub-carrier and sub-carrier allocation system |
| CN101103571A (en) * | 2005-01-18 | 2008-01-09 | 夏普株式会社 | Wireless communication apparatus, mobile terminal and wireless communication method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101103571A (en) * | 2005-01-18 | 2008-01-09 | 夏普株式会社 | Wireless communication apparatus, mobile terminal and wireless communication method |
| CN101102262A (en) * | 2006-07-03 | 2008-01-09 | 华为技术有限公司 | Method for allocating sub-carrier and sub-carrier allocation system |
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