CN101111048A - Method for dynamic regulation of wireless resource block configuration based on offset - Google Patents
Method for dynamic regulation of wireless resource block configuration based on offset Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0037—Inter-user or inter-terminal allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0082—Timing of allocation at predetermined intervals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/0026—Interference mitigation or co-ordination of multi-user interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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Abstract
The present invention provides a dynamic adjustment method of a radio resource block configuration based on a offset, which comprises the following procedures: S102, an offset aggregation is determined according to the radio resource configuration attribute in the radio resource block; S104, one offset is periodically and non-periodically selected from the offset aggregation and the part and the whole radio resource configuration in the radio resource block are changed according to the chosen offset; S106, the transmission data is dispatched according to the changed radio resource block. The change of the sub-carrier configuration in the RB through the technical proposal enables the channel capacity of the sub-channel based on the RB band width in the OFDM system to one or a plurality of receivers to be optimized statistically, thereby improving the transmitted throughput, and in particular to be suitable for a forth mobile communication system.
Description
Technical field
The present invention relates to the access technology in the communication system, relate in particular to a kind of method for dynamic regulation of wireless resource block configuration based on side-play amount.
Background technology
Along with the evolution of cellular system, OFDMA (Orthogonal Frequency DivisionMultiple Access, OFDM inserts) system becomes the mainstream technology of following wide-band mobile communication gradually.OFDM (Orthogonal Frequency Division Multiplexing, OFDM) core concept of system is, utilize IFFT (invert fast fourier transformation) with data stream modulates on a plurality of subcarriers, frequency response to channel is cut apart, and makes it to become parallel, independent approximate memoryless a plurality of subchannels.Therefore, the basic Radio Resource of ofdm system is frequency and time (or time interval), if matching coding technology and multi-antenna technology, ofdm system can also obtain extra code source or space resources, utilize the OFDM orthogonal time frequency resources to obtain the multiple access transmittability, this system is the OFDMA system.
Reducing expense is the important means that wireless communication system obtains higher spectrum efficiency, same subcarrier frequency at interval down, system bandwidth is big more, sub-carrier number is many more, the expense of transmitting assigned subcarrier for multiple access is just big more, simultaneously, on the one hand, once transmit the big data of trying one's best, can reduce overhead, on the other hand, the data length of most of business is not what fix, therefore the design resource piece makes it to carry the business of smaller length, simultaneously a plurality of Resource Block combinations can be transmitted the business than length, is very important.For example RB of definition comprises 12 subcarriers and the 1ms time interval in LTE (LongTerm Evolution, Long Term Evolution) system, and the sub-carrier configuration among the RB is changeless.
In order to improve the availability of frequency spectrum, wireless communication system can adopt Adaptive Modulation and Coding scheme (MCS) according to channel condition, MCS normally classifies and is limited, base station and terminal can adopt a plurality of RB (Resource Block, Resource Block) transmits a data block (TB, transport block), in order to reduce notification overhead, different RB adopts identical MCS in the TB.When the sub-carrier configuration among the RB of system immobilizes, because in most cases its channel has frequency selection and time selectivity, and the resource that TB takies is the local channel resource, and is then not necessarily optimum for the MCS of TB distribution, thereby causes the availability of frequency spectrum to descend.
Summary of the invention
Consider the changeless RB sub-carrier configuration of the employing that exists in the prior art, thereby can not make the total bigger problem of maintenance of OFDMA channel capacity and propose the present invention, for this reason, the present invention aims to provide a kind of dynamic adjusting method of wireless resource block configuration of the sub-carrier offset amount based on OFDM (OFDM), so that adopt the wireless communication system entire throughput or the availability of frequency spectrum of OFDM (OFDM) technology bigger.
According to the present invention, provide a kind of method for dynamic regulation of wireless resource block configuration based on side-play amount.
This method comprises following processing: step S102, determines the side-play amount set according to the radio-resource-configuration attribute in the wireless resource block; Step S104, cycle or aperiodic, a side-play amount was selected in ground from the side-play amount set, and changed radio-resource-configuration in the part or all of wireless resource block according to the side-play amount of selecting; Step S106 is according to the Radio Resource block dispatching data to be transmitted after changing.
In step S102, the radio-resource-configuration attribute is the radio-resource-configuration mode in the wireless resource block, comprising: mode one, and all wireless resource block configurations of ofdm system are identical; Mode two, the wireless resource block configuration of ofdm system is different.
In step S102, the processing of determining the side-play amount set is specially: the mode of the radio-resource-configuration in wireless resource block is mode a period of time, part or all of side-play amount among selection 0～A-1 is as the element in the side-play amount set, and wherein, A is the sub-carrier number in the wireless resource block; When the mode of the radio-resource-configuration in the wireless resource block was mode two, the part or all of side-play amount among selection 0～B-1 was as the element in the side-play amount set, and wherein, B is the total number of sub-carriers in the ofdm system.
In step S104, cycle or aperiodic, ground selected the processing of a side-play amount to be specially from the side-play amount set: transmit leg voluntarily or according to recipient's feedback information period or aperiodic ground from the side-play amount set, select a side-play amount.
Wherein, above-mentioned transmit leg selects the processing of a side-play amount to be specially according to recipient's feedback information: the recipient adds up under the part or all of side-play amount, the channel quality test value of wireless resource block; Under recipient's calculating section or the whole side-play amount, based on the quality index of a channel information of wireless resource block; Receive direction transmit leg feedback fraction or whole offset information; Transmit leg is selected a side-play amount according to predetermined side-play amount selection principle.
Above-mentioned offset information be following any: side-play amount; Side-play amount and corresponding quality index of a channel information; Side-play amount set and corresponding quality index of a channel ensemble of communication; Side-play amount and corresponding channel quality test value; Side-play amount set and corresponding channel quality test value set.
Above-mentioned transmit leg selects the processing of a side-play amount to be specially voluntarily: the data that transmit leg is added up under the current side-play amount send quality; Transmit leg is adjusted side-play amount according to the variation that data send quality; Transmit leg is attempted adjusting side-play amount, and sends data on the wireless resource block of adjusted side-play amount correspondence, attempts adjusting up to side-play amount and finishes; After attempting adjusting end, transmit leg selects to send a side-play amount the best in quality from attempt the result.
In step S104, the processing that changes the radio-resource-configuration in the part or all of wireless resource block is specially: transmit leg according to the predetermined migration mapping mode, changes the subcarrier composition that comprises in the part or all of wireless resource block according to the side-play amount of selecting.The predetermined migration mapping mode is: under specific side-play amount, and the logical number of continuous sub-carriers and the physically mapping relations of the physics numbering of discrete subcarrier in logic; Wherein, the logical number of the numbering of pre-defined wireless resource block and corresponding subcarrier.In addition, when having static wireless resource block, the logical number of the subcarrier in the static wireless resource block is identical under different side-play amounts with the mapping relations of physics numbering.
In step S106, be specially according to the processing of the Radio Resource block dispatching data to be transmitted after changing: transmit leg sends data to be transmitted according to the scheduling strategy scheduling to one or more recipients on the wireless resource block after the change.
In addition, in step S102, wireless resource block comprises: running time-frequency resource, any in running time-frequency resource and code source or the space resources or two s' combination.
By technique scheme of the present invention, can be by changing the sub-carrier configuration among the RB, make in the ofdm system bandwidth and to optimize for one or more recipients on the channel capacity statistical significance based on the subchannel of the TB bandwidth of RB, and then improved the throughput of transmission, be specially adapted in the 4th third-generation mobile communication system.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart based on the method for dynamic regulation of wireless resource block configuration of side-play amount according to the embodiment of the invention;
Fig. 2 is the flow chart of the example 1 of method shown in Figure 1; And
Fig. 3 is the flow chart of the example 2 of method shown in Figure 1.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Relate to wireless resource block (RB) among the present invention, below will at first be described in detail RB.
(1) RB can be divided into two classes by configuration
Radio-resource-configuration mode in the wireless resource block comprises following two kinds: mode one, and all wireless resource block configurations of ofdm system are identical; Mode two, the wireless resource block configuration of ofdm system is different.Correspondingly, RB can be divided into two classes by configuration: the wireless resource block configuration of all ofdm systems in the first kind wireless resource block is identical, promptly adopt above-mentioned mode one, that is to say, the wireless resource block of ofdm system running time-frequency resource at least has only a kind of size configure, sub-carrier number among the different RB is the same, and the OFDM symbolic number that comprises also is the same; The wireless resource block configuration of the ofdm system in the second class wireless resource block is different, promptly adopts above-mentioned mode two.
(2) RB distributes by subcarrier and can be divided into two classes
Centralized RB:, claim that then this RB is centralized RB if the sub-carrier frequencies among the RB is continuous;
Distributed RB: the RB except that centralized RB.
(3) RB is divided into two classes according to pattern
Dynamic RB: dynamically the subcarrier composition that comprises among the RB is variable;
Static RB: the subcarrier composition that comprises among the static RB is immutable.
(4) RB is according to attributive classification
Logic (or virtual) RB: the subcarrier that comprises in this RB is virtual, and the logical sub carrier index is continuous, and the logical sub carrier wave is always constant in particular number RB;
Physics RB: what comprise in this RB is physical sub-carrier, and the physical sub-carrier numbering is not necessarily continuous among the RB of particular number, and physical sub-carrier can be always constant in particular number RB, also can change.
Wherein, there are specific mapping relations in logical sub carrier index and physical sub-carrier among logic (or virtual) RB, and under the different side-play amounts, these mapping relations can be the same or different.
In addition, the transmit leg of hereinafter mentioning can be the base station (Base Station, BS) or access point (Access Point, AP), the recipient can be terminal (User Equipment, UE).
Based on above content, as shown in Figure 1, comprise following processing based on the RB of side-play amount configuration dynamic adjusting method according to the embodiment of the invention:
Step S102 determines the side-play amount set according to the radio-resource-configuration attribute among the RB; Step S104, cycle or aperiodic, a side-play amount was selected in ground from the side-play amount set, and changed radio-resource-configuration among the part or all of RB according to the side-play amount of selecting; Step S106 is according to the RB scheduling data to be transmitted after changing.
Below will specifically describe each details in the above-mentioned processing.
At first, the RB of above-mentioned ofdm system refers to time-frequency (being the time or the time interval and frequency or subcarrier) resource, or one or two the combination in running time-frequency resource and code source, the space resources, the frequency resource of OFDM refers to the subcarrier set in the ofdm system.
In step S102, the radio-resource-configuration attribute is the radio-resource-configuration mode among the RB, comprising: mode one, and all RB configurations of ofdm system are identical; Mode two, the RB configuration of ofdm system is different.
Correspondingly, in step S102, determine that the processing of side-play amount set is specially: the mode of the radio-resource-configuration in RB is mode a period of time, and the part or all of side-play amount among selection 0～A-1 is as the element in the side-play amount set, wherein, A is the sub-carrier number among the RB; When the mode of the radio-resource-configuration among the RB was mode two, the part or all of side-play amount among selection 0～B-1 was as the element in the side-play amount set, and wherein, B is the total number of sub-carriers in the ofdm system.
In step S104, cycle or aperiodic, ground selected the processing of a side-play amount to be specially from the side-play amount set: transmit leg voluntarily or according to recipient's feedback information period or aperiodic ground from the side-play amount set, select a side-play amount.The method that side-play amount is selected can according to different principles (as, Block Error Rate minimum, throughput maximum etc.) determine that the present invention is unqualified to this.
Wherein, above-mentioned transmit leg selects the processing of a side-play amount to be specially according to recipient's feedback information: the recipient adds up under the part or all of side-play amount, the channel quality test value of RB; Under recipient's calculating section or the whole side-play amount, based on the quality index of a channel information of RB; Receive direction transmit leg feedback fraction or whole offset information; Transmit leg is selected a side-play amount (specifically describing below with reference to example 1) according to predetermined side-play amount selection principle.
Above-mentioned transmit leg selects the processing of a side-play amount to be specially voluntarily: the data that transmit leg is added up under the current side-play amount send quality; Transmit leg is adjusted side-play amount according to the variation that data send quality; Transmit leg is attempted adjusting side-play amount, and sends data on the RB of adjusted side-play amount correspondence, attempts adjusting up to side-play amount and finishes; After attempting adjusting end, transmit leg selects to send a side-play amount (specifically describing below with reference to example 2) the best in quality from attempt the result.
In step S104, the processing that changes the radio-resource-configuration among the part or all of RB is specially: transmit leg according to the predetermined migration mapping mode, changes the subcarrier composition that comprises among the part or all of RB according to the side-play amount of selecting.
As mentioned above, the RB of ofdm system can be divided into two classes, and a class is called dynamic RB, and dynamically the subcarrier composition that comprises among the RB is variable, another kind ofly is called static RB, and the subcarrier composition that comprises among the static RB is immutable.RB in the ofdm system can only have static RB, also dynamic RB can only be arranged, and can also static RB also be arranged existing dynamic RB.In addition, the ofdm system subcarrier is by the ascending numbering of frequency, claim this to be numbered the physics numbering, subcarrier number among the RB is the subcarrier logical number, for centralized RB, side-play amount is that 0 o'clock logical number is identical with the physics numbering, for distributed RB, side-play amount is 0 o'clock, and there are the mapping relations of determining in logical number and physics numbering.
Based on this, above-mentioned predetermined migration mapping mode is: under specific side-play amount, and the logical number of continuous sub-carriers (logical number of the subcarrier that RB is interior is continuous) and the physically mapping relations of the physics numbering (the physics numbering is corresponding with the actual frequency of subcarrier) of discrete subcarrier in logic.
Wherein, need the numbering of pre-defined RB and the logical number of corresponding subcarrier.A kind of mode of definition is to number the logical number of the subcarrier among the big RB always greater than the logical number of the little RB subcarrier of numbering, and for example: RB0 comprises LSC0～11, and VRB1 comprises LSC12～23 ....In addition, when having static RB, the logical number of the subcarrier among the static RB is identical under different side-play amounts with the mapping relations of physics numbering.
In step S106, the processing of dispatching data to be transmitted according to the RB after changing is specially: transmit leg is dispatched the data for the treatment of to one or more recipients' transmission according to scheduling strategy on the RB after the change.
Below will further describe embodiments of the invention by example.
Example 1: transmit leg is selected a side-play amount according to recipient's feedback information, and wherein, transmit leg is BS, and the recipient is UE
As shown in Figure 2, the present invention includes following processing under this example:
Step S202 determines the side-play amount set according to the radio-resource-configuration attribute in the wireless resource block;
Suppose that ofdm system carrying data frequency resource bandwidth is 9MHz, subcarrier spacing is 15KHz, is 600 except the useful sub-carrier number of direct current (being the 0Hz subcarrier) then, setting from-4.5MHz is to 4.5MHz, subcarrier (sub-carrier) is numbered SC0～SC599,50 Resource Block (RB0～RB49), each RB comprises 12 subcarriers, and the side-play amount set is for { 0,1,2,3,4,5,6,7,8,9,10,11}, RB is the centralised allocation pattern, and promptly the subcarrier among each RB is continuous, as corresponding and 0 side-play amount, RB0 comprises subcarrier SC0, SC1, ..., SC11, RB1 comprises SC12, SC13, ..., SC23, and the like, the subcarrier number difference that different RB comprises.RB can also be the distributed allocation pattern, promptly, set up the numbering of continuous sub-carriers in logic (as the LSC0～LSC599) and the mapping relations of discrete subcarrier number physically, for example with the m+12 * n logical sub carrier wave and the m * 50+n physical sub-carrier correspondence, m=0～11 wherein, n=0～49.Under the distributed allocation pattern, corresponding to 0 side-play amount, RB0 comprises subcarrier LSC0, LSC1 ..., LSC11, RB1 comprise LSC12, LSC13 ..., LSC23, and the like.It is respectively that 1# is (QPSK that ofdm system modulation coding mode (MCS) is divided into 6 kinds, the 1/3Turbo sign indicating number), 2# is (QPSK, a 1/2Turbo sign indicating number), 3# is (16QAM, the 1/3Turbo sign indicating number), 4# is (16QAM, a 1/2Turbo sign indicating number), 5# is (64QAM, the 1/3Turbo sign indicating number), 6# is (64QAM, a 1/2Turbo sign indicating number).
Step S204, UE adds up under all or part of side-play amount, the channel quality measurements of RB, as: signal noise ratio (SNR), signal interference plus noise time selectivity parameter, frequency selectivity parameter than (SINR), signal strength signal intensity, channel, or the combination in any information of above-mentioned parameter.
Step S206, UE calculate under all or part of side-play amount quality index of a channel information based on RB.Quality index of a channel information based on RB refers to, be quantized value or statistical value to channel quality measurements, and with this quantized value or the pairing RB positional information of statistical value, as corresponding to side-play amount 7, the equivalent signal interference plus noise of RB8 correspondence is 3 or adopts modulation coding mode (MCS) to be 3# for 10dB or grade than (SINR)
Step S208, UE is to BS feedback fraction or whole offset information, for example: UE feeds back under whole 12 side-play amounts to BS, the channel quality information of RB, perhaps UE is under BS feedback fraction side-play amount, the channel quality information of RB, for example only feed back UE and think all or part of RB channel quality information under RB channel quality best or a plurality of preferably side-play amount or side-play amount and the respective offsets amount or the further statistical information of all or part of RB channel quality information under side-play amount and the respective offsets amount.Should use in the example particularly, UE feeds back 50 RB positions and the corresponding CQI under 1～12 all side-play amounts, or feeds back a side-play amount in 1～12 side-play amount, as side-play amount 7.
Step S210 according to side-play amount selection principle, determines side-play amount.BS receives the offset information set of Y UE feedback, and wherein Y is smaller or equal to X, according to side-play amount selection principle (as, make to Y UE and send data, throughput maximum, or to the summation maximum of Y subchannel capacities of Y UE transmission), determine side-play amount.
Step S212, BS sends data under new RB configuration.BS notifies the recipient to refresh side-play amount, and all or part of UE in X UE sends data on the RB of the side-play amount correspondence after refreshing;
Step S214 on the RB of UE according to the side-play amount correspondence of resource assignment information after refreshing, receives and issues the data of oneself.(step S204-step S214 is that transmit leg sends the flow process of data for simultaneously X recipient)
Example 2: transmit leg is selected a side-play amount voluntarily, and wherein, transmit leg is BS, and the recipient is UE
As shown in Figure 3, the present invention includes following processing under this example:
Step S302 determines the side-play amount set according to the radio-resource-configuration attribute in the wireless resource block;
Suppose that ofdm system carrying data frequency resource bandwidth is 9MHz, subcarrier spacing is 15KHz, is 600 except the useful sub-carrier number of direct current (being the 0Hz subcarrier) then, setting from-4.5MHz is to 4.5MHz, subcarrier (sub-carrier) is numbered SC0～SC599,50 Resource Block (RB0～RB49), each RB comprises 12 subcarriers, and the side-play amount set is for { 0,1,2,3,4,5,6,7,8,9,10,11}, RB is the centralised allocation pattern, and promptly the subcarrier among each RB is continuous, as corresponding and 0 side-play amount, RB0 comprises subcarrier SC0, SC1, ..., SC11, RB 1 comprises SC12, SC13, ..., SC23, and the like, the subcarrier number difference that different RB comprises.RB can also be the distributed allocation pattern, promptly, set up the numbering of continuous sub-carriers in logic (as the LSC0～LSC599) and the mapping relations of discrete subcarrier number physically, for example with the m+12 * n logical sub carrier wave and the m * 50+n physical sub-carrier correspondence, m=0～11 wherein, n=0～49.Under the distributed allocation pattern, corresponding to 0 side-play amount, RB0 comprises subcarrier LSC0, LSC1 ..., LSC11, RB1 comprise LSC12, LSC13 ..., LSC23, and the like.It is respectively that 1# is (QPSK that ofdm system modulation coding mode (MCS) is divided into 6 kinds, the 1/3Turbo sign indicating number), 2# is (QPSK, a 1/2Turbo sign indicating number), 3# is (16QAM, the 1/3Turbo sign indicating number), 4# is (16QAM, a 1/2Turbo sign indicating number), 5# is (64QAM, the 1/3Turbo sign indicating number), 6# is (64QAM, a 1/2Turbo sign indicating number);
Step S304, BS are with current side-play amount, and the part or all of UE on corresponding RB in X UE sends data;
Step S306, BS add up under the current side-play amount, the transmission quality of data.Data send quality can be with reliability index such as frame error rate, bit error rates for estimating.Reliability index can be that the affirmation information (as: ACK/NACK) of one or more recipient's feedbacks or the statistics of metrical information are obtained, and also can add up according to the BS number of retransmissions;
Step S308, BS adjusts side-play amount according to the variation that data send quality, for example, be provided with one and send quality threshold, when the transmission quality is lower than this thresholding, begin to adjust side-play amount, find the feasible transmission of the whole side-play amount of a best best in quality up to the improvement of transmission quality or in the side-play amount set.Adjustment repeatedly when all being lower than thresholding for avoiding under all side-play amounts sending quality can also be provided with adjustment cycle, finds to stop to adjust after sending top-quality side-play amount in adjustment cycle, begins up to next adjustment cycle, repeats adjustment process again;
Step S310, BS attempt adjusting side-play amount, and are attempting sending data on the pairing RB of adjusted side-play amount, attempt adjusting up to side-play amount and finish;
Step S312 finishes if attempt adjusting, and then carries out step S314, does not finish then to carry out step S310 if attempt adjusting;
Step S314 selects to send side-play amount the best in quality from attempt the result, the newest side-play amount, and send data on the pairing RB of the side-play amount after refreshing, return step S306.
Like this, by means of the present invention, can be by changing the sub-carrier configuration among the RB, make in the ofdm system bandwidth and to optimize for one or more recipients on the channel capacity statistical significance based on the subchannel of RB bandwidth, and then improved the throughput of transmitting.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the method for dynamic regulation of wireless resource block configuration based on side-play amount is characterized in that, comprising:
Step S102 determines the side-play amount set according to the radio-resource-configuration attribute in the wireless resource block;
Step S104, cycle or aperiodic, a side-play amount was selected in ground from described side-play amount set, and changed radio-resource-configuration in the part or all of wireless resource block according to the described side-play amount of selecting; And
Step S106 is according to the Radio Resource block dispatching data to be transmitted after changing.
2. method according to claim 1 is characterized in that, in described step S102, described radio-resource-configuration attribute is the radio-resource-configuration mode in the wireless resource block, comprising: mode one, and all wireless resource block configurations of ofdm system are identical; Mode two, the wireless resource block configuration of ofdm system is different.
3. method according to claim 2 is characterized in that, in described step S102, determines that the processing of side-play amount set is specially:
The mode of the radio-resource-configuration in wireless resource block be described mode for the moment, select part or all of side-play amount among 0～A-1 as the element in the described side-play amount set, wherein, A is the sub-carrier number in the wireless resource block; And
When the mode of the radio-resource-configuration in the wireless resource block is described mode two, select part or all of side-play amount among 0～B-1 as the element in the described side-play amount set, wherein, B is the total number of sub-carriers in the ofdm system.
4. method according to claim 1 is characterized in that, in described step S104, the processing of a side-play amount of selection from described side-play amount set of cycle or ground aperiodic is specially:
Transmit leg voluntarily or according to recipient's feedback information period or aperiodic ground from described side-play amount set, select a side-play amount.
5. method according to claim 4 is characterized in that, described transmit leg selects the processing of a side-play amount to be specially according to described recipient's feedback information:
Described recipient adds up under the part or all of side-play amount, the channel quality test value of wireless resource block;
Under described recipient's calculating section or the whole side-play amount, based on the quality index of a channel information of wireless resource block;
The described transmit leg feedback fraction of described receive direction or whole offset information; And
Described transmit leg is selected a side-play amount according to predetermined side-play amount selection principle.
6. method according to claim 5 is characterized in that, described offset information be following any:
Side-play amount;
Side-play amount and corresponding quality index of a channel information;
Side-play amount set and corresponding quality index of a channel ensemble of communication;
Side-play amount and corresponding channel quality test value;
Side-play amount set and corresponding channel quality test value set.
7. method according to claim 4 is characterized in that, described transmit leg selects the processing of a side-play amount to be specially voluntarily:
The data that described transmit leg is added up under the current side-play amount send quality;
Described transmit leg is adjusted side-play amount according to the variation that data send quality;
Described transmit leg is attempted adjusting side-play amount, and sends data on the wireless resource block of adjusted side-play amount correspondence, attempts adjusting up to side-play amount and finishes; And
After attempting adjusting end, described transmit leg selects to send a side-play amount the best in quality from attempt the result.
8. method according to claim 1 is characterized in that, in described step S104, the processing that changes the radio-resource-configuration in the part or all of wireless resource block is specially:
Transmit leg according to the predetermined migration mapping mode, changes the subcarrier composition that comprises in the part or all of wireless resource block according to the described side-play amount of selecting.
9. method according to claim 8 is characterized in that, described predetermined migration mapping mode is: under specific side-play amount, and the logical number of continuous sub-carriers and the physically mapping relations of the physics numbering of discrete subcarrier in logic; Wherein, the logical number of the numbering of pre-defined wireless resource block and corresponding subcarrier.
10. method according to claim 9 is characterized in that, when having static wireless resource block, the logical number of the subcarrier in the described static wireless resource block is identical under different side-play amounts with the mapping relations of physics numbering.
11. method according to claim 1 is characterized in that, in described step S106, is specially according to the processing of the Radio Resource block dispatching data to be transmitted after changing:
Transmit leg sends data to be transmitted according to the scheduling strategy scheduling to one or more recipients on the wireless resource block after the described change.
12., it is characterized in that in described step S102, described wireless resource block comprises according to each described method in the claim 1 to 11: running time-frequency resource, time-frequency money
In source and code source or the space resources any or two s' combination.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2007101380968A CN101111048B (en) | 2007-08-15 | 2007-08-15 | Method for dynamic regulation of wireless resource block configuration based on offset |
| PCT/CN2007/003375 WO2009021369A1 (en) | 2007-08-15 | 2007-11-29 | A method for adjusting dynamically the wireless resource block allocation based on the offsets |
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| CN2007101380968A CN101111048B (en) | 2007-08-15 | 2007-08-15 | Method for dynamic regulation of wireless resource block configuration based on offset |
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| CN101111048B CN101111048B (en) | 2012-01-11 |
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| WO (1) | WO2009021369A1 (en) |
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| WO2010009600A1 (en) * | 2008-07-23 | 2010-01-28 | 中兴通讯股份有限公司 | Resource configuration method for multimedia broadcast and multicast service |
| CN101640656B (en) * | 2008-07-31 | 2012-05-23 | 中兴通讯股份有限公司 | Channel quality index feedback method, receiver and transmitter |
| CN104702375A (en) * | 2008-10-20 | 2015-06-10 | 松下电器（美国）知识产权公司 | Base station device, terminal device, communication method and integrated circuit |
| CN105338558A (en) * | 2014-07-30 | 2016-02-17 | 上海贝尔股份有限公司 | Interference processing method, device and system for LTE communication system |
| CN105991235A (en) * | 2015-03-04 | 2016-10-05 | 株式会社Ntt都科摩 | Method for adjusting modulation and coding scheme(MCS), user equipment (UE) and base station |
| CN107113654A (en) * | 2014-11-21 | 2017-08-29 | 华为技术有限公司 | System and method for the intelligent selection of channel condition information |
| WO2018227552A1 (en) * | 2017-06-16 | 2018-12-20 | Motorola Mobility Llc | Apparatuses and methods for determining time delay |
| WO2021134382A1 (en) * | 2019-12-31 | 2021-07-08 | 华为技术有限公司 | Resource indication method and device, and system |
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| KR100913099B1 (en) * | 2008-01-07 | 2009-08-21 | 엘지전자 주식회사 | A method for scheduling of distributed virtual resource blocks |
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| CN1299454C (en) * | 2003-06-18 | 2007-02-07 | 清华大学 | Scheduling method for ensuring service quality of real time operation in OFDM |
| KR100895165B1 (en) * | 2004-07-10 | 2009-05-04 | 삼성전자주식회사 | Dynamic resource allocation method for an ofdma system |
| ATE383041T1 (en) * | 2005-11-10 | 2008-01-15 | Research In Motion Ltd | METHOD AND DEVICE FOR CHANNEL ALLOCATION FOR DATA COMMUNICATION IN A RADIO COMMUNICATION SYSTEM |
| KR100746553B1 (en) * | 2005-12-09 | 2007-08-06 | 한국전자통신연구원 | Apparatus and method for CFO aided timing offset tracking for OFDM system |
| CN1808961B (en) * | 2006-02-06 | 2011-05-04 | 华为技术有限公司 | Uplink multi-user pilot method for interference depression between cells |
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2007
- 2007-08-15 CN CN2007101380968A patent/CN101111048B/en not_active Expired - Fee Related
- 2007-11-29 WO PCT/CN2007/003375 patent/WO2009021369A1/en active Application Filing
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| WO2010009600A1 (en) * | 2008-07-23 | 2010-01-28 | 中兴通讯股份有限公司 | Resource configuration method for multimedia broadcast and multicast service |
| CN101640656B (en) * | 2008-07-31 | 2012-05-23 | 中兴通讯股份有限公司 | Channel quality index feedback method, receiver and transmitter |
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| CN105338558A (en) * | 2014-07-30 | 2016-02-17 | 上海贝尔股份有限公司 | Interference processing method, device and system for LTE communication system |
| CN107113654A (en) * | 2014-11-21 | 2017-08-29 | 华为技术有限公司 | System and method for the intelligent selection of channel condition information |
| CN105991235A (en) * | 2015-03-04 | 2016-10-05 | 株式会社Ntt都科摩 | Method for adjusting modulation and coding scheme(MCS), user equipment (UE) and base station |
| CN105991235B (en) * | 2015-03-04 | 2020-10-30 | 株式会社Ntt都科摩 | Method for adjusting code modulation scheme, user equipment and base station |
| WO2018227552A1 (en) * | 2017-06-16 | 2018-12-20 | Motorola Mobility Llc | Apparatuses and methods for determining time delay |
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| WO2021134382A1 (en) * | 2019-12-31 | 2021-07-08 | 华为技术有限公司 | Resource indication method and device, and system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009021369A1 (en) | 2009-02-19 |
| CN101111048B (en) | 2012-01-11 |
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