CN102238611B - Control area channel quality report method, control channel collocation method and device thereof - Google Patents
Control area channel quality report method, control channel collocation method and device thereof Download PDFInfo
- Publication number
- CN102238611B CN102238611B CN201010164475.6A CN201010164475A CN102238611B CN 102238611 B CN102238611 B CN 102238611B CN 201010164475 A CN201010164475 A CN 201010164475A CN 102238611 B CN102238611 B CN 102238611B
- Authority
- CN
- China
- Prior art keywords
- cce
- cce quantity
- control channel
- channel quality
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a kind of control area channel quality report method, control channel collocation method and device thereof.Wherein, channel quality report method in control area comprises: the channel quality in Survey control region; To network side reporting channel quality measurement result, or report and map according to measurement result the control channel unit CCE quantity that the control channel that obtains uses.Control channel collocation method comprises: the channel quality measurements information of the control area that receiving terminal reports or CCE quantity information; According to channel quality measurements information or the CCE quantity information of the control area received, for the control channel of described terminal distributes the CCE quantity used.Adopt the present invention, the reliability of control channel transmission can be improved.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of control area channel quality report method and device thereof, and a kind of control channel collocation method and device thereof.
Background technology
In 3GPPLTERelease8 system, the length of a descending sub frame (subframe) is that 1ms is (when adopting normal cyclic prefix, comprise 14 OFDM symbol, wherein OFDM is the English abbreviation of OrthogonalFrequencyDivisionMultiplexing, i.e. orthogonal frequency division multiplexi), comprise control area (PDCCH, i.e. Physical Downlink Control Channel) and data area (PDSCH, i.e. Physical Downlink Shared Channel), its structure is as shown in Figure 1.
(N can be 1 to the top n of each subframe, 2,3 or 4) symbol can as control area, comprise the RE (ResourceElement of PCFICH (Physical Control Format Indicator Channel), PDCCH, PHICH (physical mixed ARQ indicating channel), RS (reference signal) and some skies, Resource Unit, a RE occupies a subcarrier on frequency domain, time domain occupies an OFDM symbol) etc.
Wherein, PDCCH is that user is special, and the resource of each PDCCH can be dispersed on the symbol of the whole control area of whole bandwidth sum, can take 1,2,4 or 8 CCE (ControlChannelElement, i.e. control channel unit, each CCE comprises 36 RE).PDCCH adopts QPSK (QuadraturePhase-ShiftKeying, Quadrature Phase Shift Keying) mode to modulate.
The transmission reliability of PDCCH requires higher, and the error rate of such as PDCCH transmission should be less than 1%.But how base station is for selecting CCE quantity not have associated solutions and regulation when user configures PDCCH at present, therefore, cannot ensure the reliability that PDCCH transmits.
Summary of the invention
Embodiments provide a kind of control channel collocation method and device thereof, in order to ensure the transmission reliability of control channel.
The control channel collocation method that the embodiment of the present invention provides, comprises the following steps:
The channel quality measurements information of the control area that receiving terminal reports or CCE quantity information;
According to channel quality measurements information or the CCE quantity information of the control area received, for the control channel of described terminal distributes the CCE quantity used.
The base station that the embodiment of the present invention provides, comprising:
Receiving element, the channel quality measurements information of the control area reported for receiving terminal or CCE quantity information;
Allocation units, for according to the channel quality measurements information of control area received or CCE quantity information, for the control channel of described terminal distributes the CCE quantity used.
The above embodiment of the present invention, network side is according to the channel quality measurements information of the control area of terminal to report or CCE quantity, control channel for terminal selects the CCE quantity of mating with the control area channel quality of this terminal, thus suitable CCE quantity can be selected according to terminal control channel quality adaptation, or according to terminal need select CCE, to ensure the transmission performance of control channel, and resource utilization ratio can be taken into account simultaneously.
The embodiment of the present invention additionally provides a kind of control area channel quality report method and device thereof, and the CCE quantity shared by base station configuration control channel provides foundation.
The control area channel quality report method that the embodiment of the present invention provides, comprising:
The channel quality in Survey control region;
To network side reporting channel quality measurement result, or report and map according to measurement result the control channel unit CCE quantity that the control channel that obtains uses.
The terminal that the embodiment of the present invention provides, comprising:
Measuring unit, for the channel quality in Survey control region;
Report unit, for network side reporting channel quality measurement result, or report and map according to measurement result the control channel unit CCE quantity that the control channel that obtains uses.
The above embodiment of the present invention, by the channel quality in Survey control region, to network side reporting channel quality measurement result information or CCE quantity, thus enable network side learn the control channel quality that terminal is current or CCE quantity required under learning present channel quality situation, and can further in this, as the foundation of distributing the CCE quantity that control channel uses, thus suitable CCE quantity can be selected according to terminal control channel quality adaptation, to ensure the transmission performance of control channel, and resource utilization ratio can be taken into account simultaneously.
Accompanying drawing explanation
Fig. 1 is the descending sub frame schematic diagram of LTER8 system in prior art;
The schematic flow sheet of the terminal to report control channel quality that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 a is the mapping relations schematic diagram of end side configuration in the embodiment of the present invention;
Fig. 3 b is the mapping relations schematic diagram of network side configuration in the embodiment of the present invention;
Fig. 4 for the network side that the embodiment of the present invention provides be the schematic flow sheet of terminal configuration PDCCH;
The structural representation of the terminal equipment that Fig. 5, Fig. 6, Fig. 7 provide for the embodiment of the present invention;
The structural representation of the base station equipment that Fig. 8 provides for the embodiment of the present invention.
Embodiment
For the problems referred to above that existing presentation technology exists, for ensureing the reliability of control channel transmission, the embodiment of the present invention proposes the technical scheme of the CCE quantity of the control channel of the control channel quality requirements adaptive configuration user according to user, thus improves control channel transmission reliability.
In the embodiment of the present invention, on the one hand, terminal has channel quality measurement and the reporting ability of control area, and on the other hand, base station can be the CCE quantity of the adaptively selected control channel of terminal according to the channel quality of the control area of terminal to report.
Below for 3GPPLTERelease8 system, in conjunction with the accompanying drawing in embodiments of the invention, the technical scheme in embodiments of the invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of embodiments of the invention protection.
See Fig. 2, it is the schematic flow sheet of the terminal to report control area channel quality that the embodiment of the present invention provides.This flow process mainly comprises the following steps:
The channel quality in step 210, terminal Survey control region.
Under normal circumstances, top n (as N=3) OFDM symbol in the descending sub frame of 3GPPLTERelease8 system is used for transmitting control channel, and the CCE of control channel is distributed on the full bandwidth of OFDM symbol, therefore, in the present embodiment, terminal can measure the broadband channel quality of the top n OFDM symbol of descending sub frame.Terminal also can measure indicated by PCFICH N, and (N can be 1,2,3 or 4) individual OFDM symbol but do not comprise the broadband channel quality of the RE shared by PHICH, wherein, PCFICH is 2 bit values, for representing that PDCCH takies several OFDM symbol before a subframe.
Step 220, terminal are to base station reporting channel quality measurement result information.
In this step, terminal can report base station by measuring the channel quality parameter (as SIR, i.e. signal-to-jamming ratio) obtained.In order to save signaling consumption, preferably, the channel quality parameter (as SIR) that measurement obtains can be mapped as the CQI (ChannelQualityIndication of 2 bits (or other number of bits), CQI), terminal reports base station by mapping the CQI obtained.CQI can be carried in the PDCCHDCI (DownlinkControlInformation, Downlink Control Information) of specific format and report base station by terminal, and the DCI format adopted can be arranged by system.
In another embodiment of the present invention, terminal can be provided with the channel quality parameter value of control area and the mapping relations table of CCE quantity in advance, wherein, this CCE quantity refers to the CCE quantity that the control channel of terminal uses, according to channel quality order from high to low, corresponding CCE quantity from small to large, as can be 1,2,4,8.Like this, terminal is after measurement obtains the channel quality parameter of control area, find corresponding CCE quantity by inquiring about this mapping relations table, and this CCE quantitatively can be offered base station, enable base station according to or distribute CCE quantity with reference to the control channel that this quantity is terminal.Thus control area channel quality condition that can be current according to terminal, the control channel for terminal distributes suitable CCE quantity, thus while raising control channel transmission reliability, Appropriate application transfer resource.
In another embodiment of the invention, terminal can be provided with control area channel quality parameter in advance, CCE quantity that control channel uses and characterize the mapping relations table of mark of CCE quantity.Wherein, according to channel quality order from high in the end, corresponding CCE quantity from small to large.Fig. 3 a shows the schematic diagram of the mapping relations table of a kind of end side configuration, and wherein modulation system one is option.Each PDCCH can take 1,2,4 or 8 CCE, as shown in Figure 3 a, and the CCE quantity I ndex (i.e. CCE quantity identity) that different CCE quantity is corresponding different.Channel quality representated by channel quality parameter (SIR namely in figure is interval) is poorer, and the CCE quantity of its correspondence is more.The mark of the CCE quantity of 2 bits is adopted in the embodiment of the present invention, be enough to the ident value that can provide 4 corresponding CCE quantity for above-mentioned 4 kinds of situations (namely each PDCCH can take 1,2,4 or 8 CCE), and the signaling consumption that uses when reporting CCE quantity can be reduced as far as possible.
In this embodiment, the channel quality parameter that terminal is measured can comprise PDCCHBLER (BlockErrorRate, Block Error Rate), terminal is according to the channel quality measurements of control area, determine when meeting PDCCH performance arget value (as performance index), the minimum value of CCE quantity that PDCCH uses, and according to the mapping relations table of this CCE quantity and configuration, obtain the CCE quantity identity corresponding with this CCE quantity, and this CCE quantity identity is reported base station.
Under normal circumstances, system can set PDCCH performance index desired value, shows the bottom line that PDCCH transmission reliability should meet, as the maximum BLER value that PDCCH allows, namely the error probability of PDCCH transmission, can be set to 1% for 3GPPLTERelease8 system.In general, the CCE that transmission PDCCH uses is more, and transmission reliability is larger, and error probability is less.Terminal is according to the channel quality measurements of control area, can count when ensureing PDCCH performance arget value, the minimum number of the CCE that PDCCH uses, and according to the mapping relations table configured, obtain the CCE quantity I ndex value corresponding with this CCE quantity, such as, if terminal finds that transmitting PDCCH with minimum N number of CCE just can ensure that the BLER of PDCCH is less than or equal to 1%, so terminal just can obtain the CCE quantity I ndex value corresponding with N number of CCE by query mappings relation table.
In the various embodiments described above, the process of the channel quality of terminal to report control area can be carried out in the cycle, above calls time and can be specified in advance by system.
After the channel quality measurements information that network side (being generally base station) receives the control area of terminal to report or CCE quantity, just can with the channel quality measurements information of the control area of this terminal to report or CCE quantity for foundation, be the CCE that the PDCCH of this terminal selects respective numbers.
Wherein, if base station with the CCE quantity of terminal to report for according to be terminal PDCCH distribute CCE, then can directly according to the CCE quantity that the PDCCH of the CCE quantity determination terminal received uses, also can first adjust accordingly the CCE quantity received, then according to the CCE quantity that the PDCCH of the CCE quantity determination terminal after adjustment uses.Wherein, base station can according to other factors adjustment CCE quantity, as can increase or reduce this terminal according to the quantity of current residual CCE number and the terminal of not dispatching PDCCH shared by the quantity of CCE, such as, current residual CCE number meets the quantity of the CCE of the PDCCH of this terminal of increase (or some terminal) that can be suitable when not being scheduled terminal far away, on the contrary, as the quantity of the CCE of the PDCCH of this terminal of minimizing (or some terminal) that can be suitable when current residual CCE number can not meet and not be scheduled terminal; Or the quantity of the CCE shared by PDCCH of this terminal is increased or reduces according to experience in the past.
If base station with the channel quality measurements information of terminal to report (as channel quality parameter or map the CQI obtained according to channel quality parameter) for distributing CCE according to the PDCCH for terminal, then network side can be provided with mapping relations table in advance, to describe the corresponding relation of CQI (or channel quality parameter) and CCE quantity, make base station can according to this mapping relations table, and the CQI of terminal to report (or channel quality parameter) obtains corresponding CCE quantity, then distribute CCE according to the PDCCH that this CCE quantity is terminal.Wherein, channel quality parameter can be SIR (SignaltoInterferenceRatio, signal interference ratio).
If base station is with the CCE quantity identity of terminal to report for according to for terminal, PDCCH distributes CCE, then network side can be provided with mapping relations table in advance, as shown in Figure 3 b, wherein, channel quality is higher, and the CCE quantity of correspondence is fewer.The mapping relations table of network side configuration is for the corresponding relation of the CCE quantity that represents PDCCH and take and the mark (the CCE quantity index as in figure) that characterizes CCE quantity, make base station can according to this mapping relations table, and the CCE quantity identity of terminal to report obtains corresponding CCE quantity, then distribute CCE according to the PDCCH that this CCE quantity is terminal.
As shown in Figure 4, the base station that one embodiment of the present of invention provide is that the flow process of terminal configuration PDCCH can comprise:
The channel quality measurements information of the control area that step 410, base station receiving terminal report, CQI as the aforementioned.
Step 420, base station are when needs are for this terminal configuration PDCCH, according to the channel quality measurements information of the control area of this terminal to report, by inquiring about the mapping relations table of control area channel quality and the CCE quantity pre-set, thus find the CCE quantity corresponding with the channel quality measurements information of this terminal to report.
Step 430, base station, according to the CCE quantity found, are defined as the CCE quantity of the PDCCH distribution of this terminal, and send the PDCCH of this terminal further according to the CCE quantity determined.
In this step, base station can directly using the CCE quantity that finds as this terminal PDCCH shared by CCE quantity; Also with reference to the CCE quantity found, then this CCE quantity can be adjusted further according to other factors, and using adjustment after CCE quantity as this terminal PDCCH shared by CCE quantity.Base station is when according to other factors adjustment CCE quantity, the quantity of the CCE shared by PDCCH that can increase or reduce this terminal according to the quantity of current residual CCE number and the terminal of not dispatching, such as, current residual CCE number meets the quantity of the CCE of the PDCCH of this terminal of increase (or some terminal) that can be suitable when not being scheduled terminal far away, on the contrary, as the quantity of the CCE of the PDCCH of this terminal of minimizing (or some terminal) that can be suitable when current residual CCE number can not meet and not be scheduled terminal; Or the quantity of the CCE shared by PDCCH of this terminal is increased or reduces according to experience in the past.After determining the CCE quantity shared by the PDCCH of terminal, chnnel coding can be carried out to PDCCH in base station, then carries out QPSK modulation, carries out the mapping of CCE to RE, then carries out IFFT (invert fast fourier transformation) and launch afterwards.
It should be noted that the mapping relations that the mapping relations table in above-described embodiment shows also can be represented by the data structure of other types.In addition, the PDCCH related in above-described embodiment is the channel in LTER8 system, if the embodiment of the present invention to be applied to the LTE system of other communication systems or future version, then those skilled in the art should be able to adopt corresponding channel to realize the embodiment of the present invention.
By describing above and can finding out, base station can according to the CQI of the control area of terminal to report, by inquiring about the mapping relations table of CQI and the CCE quantity of pre-configured control area channel, the PDCCH channel quality current according to terminal is that the PDCCH of terminal configures the CCE quantity of mating with this channel quality, thus the CCE quantity that realization takies according to the control channel quality adaptation distribution control channel of terminal, improve the reliability of PDCCH transmission.Further, after base station obtains the CCE quantity corresponding with the CQI of terminal to report by query mappings relation table, also this CCE quantity can be adjusted the service condition current according to system, thus further increase resource utilization ratio and ensure the transmission performance of PDCCH.
Based on identical technical conceive, the embodiment of the present invention additionally provides a kind of terminal equipment and a kind of base station equipment.
As shown in Fig. 5, Fig. 6, Fig. 7, be respectively the terminal equipment that the embodiment of the present invention provides.As shown in Figure 5, this terminal equipment can comprise: measuring unit 51, report unit 52, wherein:
Measuring unit 51, for the channel quality in Survey control region;
Report unit 52, for network side reporting channel quality measurement result, or report and map according to measurement result the control channel unit CCE quantity that the control channel that obtains uses.
In above-mentioned terminal equipment, report unit 52 directly can report network side by measuring the channel quality parameter obtained; Or, be mapped as channel quality indicator CQI by measuring the channel quality parameter obtained, and CQI reported network side.
As shown in Figure 6, in above-mentioned terminal equipment, also can comprise the first map unit 53, for the mapping relations of CCE quantity used according to channel quality parameter and control channel, determine the CCE quantity corresponding to channel quality parameter measured and obtain, wherein, in mapping relations, according to channel quality order from high to low, corresponding CCE quantity from small to large; Accordingly, report unit 52 first map unit 53 can be mapped the CCE quantity obtained to report.
As shown in Figure 7, in above-mentioned terminal equipment, also can comprising determining unit 54, meeting in control channel performance requirement desired value situation for determining according to the measurement result of measuring unit 51, the minimum value of the control channel unit CCE quantity that control channel uses; Second map unit 55, minimum value for CCE quantity determining unit 54 determined reports, or the CCE quantity used according to control channel and the mapping relations of the mark of sign CCE quantity, determine the CCE quantity identity corresponding with the minimum value of described CCE quantity; In described mapping relations, according to channel quality order from high to low, corresponding CCE quantity from small to large; Accordingly, report unit 52 second map unit 55 can be mapped the CCE quantity identity obtained to report.
In terminal equipment shown in Fig. 7, when the maximum Block Error Rate that control channel performance arget value allows for control channel, determining unit 54 can, according to measurement result, be added up when Block Error Rate is no more than described maximum Block Error Rate, the minimum value of the CCE quantity that control channel uses.
In above-mentioned each terminal equipment, measuring unit 51 can measure the broadband channel quality of the top n orthogonal frequency division multiplex OFDM symbol of descending sub frame; Or, measure the top n OFDM symbol of descending sub frame but do not comprise the broadband channel quality of the Resource Unit RE that physical mixed ARQ indicating channel PHICH takies; Wherein, N is indicated by Physical Control Format Indicator Channel PCFICH, and N is 1,2,3 or 4.
In above-mentioned each terminal equipment, measuring unit 51 can be measured according to system official hour or cycle, reports unit 52 can report according to system official hour or cycle.
As shown in Figure 8, the base station equipment that the embodiment of the present invention provides, can comprise: receiving element 81, allocation units 82, wherein:
Receiving element 81, the channel quality measurements information of the control area reported for receiving terminal or CCE quantity information;
Allocation units 82, for the channel quality measurements information of control area that receives according to receiving element 81 or CCE quantity information, for the control channel of described terminal distributes the CCE quantity used.
In above-mentioned base station, allocation units 82, by the mapping relations of the CCE quantity shared by inquiry control area channel quality information and control channel, determine the CCE quantity corresponding with the channel quality measurements information received; In described mapping relations, according to channel quality order from high to low, corresponding CCE quantity from small to large; And the control channel for described terminal distributes the CCE of this quantity; Or, this CCE quantity is adjusted, and is the CCE of the quantity after the control channel distribution adjustment of terminal.
In above-mentioned base station, the control channel that allocation units 82 can be described terminal distributes the CCE of described quantity; Or, described CCE quantity is adjusted, and is the CCE of the quantity after the control channel distribution adjustment of described terminal.
In above-mentioned base station, allocation units 82 can adjust described CCE quantity according to control channel CCE volume residual.Adjustment mode as previously mentioned, does not repeat them here.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (18)
1. a control area channel quality report method, is characterized in that, comprising:
The channel quality in terminal Survey control region;
Described terminal to report maps according to measurement result the control channel unit CCE quantity that the control channel that obtains uses;
Wherein, report and map according to measurement result the control channel unit CCE quantity that the control channel that obtains uses, comprising:
Determine meeting in control channel performance requirement desired value situation according to measurement result, the minimum value of the CCE quantity that control channel uses;
Report the minimum value of this CCE quantity; Or the CCE quantity used according to control area channel quality parameter, control channel and the mapping relations of the mark of sign CCE quantity, determine the CCE quantity identity corresponding with the minimum value of described CCE quantity, and report this CCE quantity identity; In described mapping relations, according to channel quality order from high to low, corresponding CCE quantity from small to large.
2. the method for claim 1, is characterized in that, maps the CCE quantity obtaining control channel and use, be specially according to measurement result:
According to the described mapping relations of the CCE quantity that channel quality parameter and control channel use, determine the CCE quantity corresponding to channel quality parameter measured and obtain.
3. the method for claim 1, is characterized in that, the maximum Block Error Rate that control channel performance requirement desired value allows for control channel;
Determine meeting in control channel performance requirement desired value situation according to measurement result, the minimum value of the CCE quantity that control channel uses, be specially: according to measurement result, add up when Block Error Rate is no more than described maximum Block Error Rate, the minimum value of the CCE quantity that control channel uses.
4. the method as described in any one of claims 1 to 3, is characterized in that, the channel quality in Survey control region, comprising:
Measure the broadband channel quality of the top n orthogonal frequency division multiplex OFDM symbol of descending sub frame;
Or, measure the top n OFDM symbol of descending sub frame but do not comprise the broadband channel quality of the Resource Unit RE that physical mixed ARQ indicating channel PHICH takies;
Wherein, N is indicated by Physical Control Format Indicator Channel PCFICH, and N is 1,2,3 or 4.
5. the method as described in any one of claims 1 to 3, is characterized in that, according to system official hour or cycle, measures the channel quality of control area, according to system official hour or periodic report CCE quantity.
6. a terminal, is characterized in that, comprising:
Measuring unit, for the channel quality in Survey control region;
Reporting unit, mapping according to measurement result the control channel unit CCE quantity that the control channel that obtains uses for reporting;
Determining unit, is meeting in control channel performance requirement desired value situation for determining according to measurement result, the minimum value of the control channel unit CCE quantity that control channel uses;
Second map unit, for the CCE quantity and the mapping relations of the mark of sign CCE quantity that use according to control area channel quality parameter, control channel, determines the CCE quantity identity corresponding with the minimum value of described CCE quantity; In described mapping relations, according to channel quality order from high to low, corresponding CCE quantity from small to large;
Described report unit specifically for, the minimum value of the CCE quantity described determining unit determined reports, or described second map unit is mapped the CCE quantity identity obtained reports.
7. terminal as claimed in claim 6, is characterized in that, also comprise:
First map unit, for the described mapping relations of CCE quantity used according to channel quality parameter and control channel, determines the CCE quantity corresponding to channel quality parameter measured and obtain; In described mapping relations, according to channel quality order from high to low, corresponding CCE quantity from small to large;
Described report unit specifically for, described first map unit is mapped the CCE quantity obtained and reports.
8. terminal as claimed in claim 6, is characterized in that, the maximum Block Error Rate that control channel performance requirement desired value allows for control channel;
Described determining unit specifically for, according to measurement result, add up when Block Error Rate is no more than described maximum Block Error Rate, the minimum value of the CCE quantity that control channel uses.
9. the terminal as described in any one of claim 6 to 8, is characterized in that, described measuring unit specifically for, measure the broadband channel quality of top n orthogonal frequency division multiplex OFDM symbol of descending sub frame; Or, measure the top n OFDM symbol of descending sub frame but do not comprise the broadband channel quality of the Resource Unit RE that physical mixed ARQ indicating channel PHICH takies;
Wherein, N is indicated by Physical Control Format Indicator Channel PCFICH, and N is 1,2,3 or 4.
10. the terminal as described in any one of claim 6 to 8, is characterized in that, described measuring unit is measured according to system official hour or cycle, described in report unit to report according to system official hour or cycle.
11. 1 kinds of control channel collocation methods, is characterized in that, comprise the following steps:
The control area CCE quantity information that base station receiving terminal reports, wherein, described CCE quantity information is that described terminal obtains according to the channel quality measurements information MAP of control area, be specially the minimum value of the CCE quantity used at the control channel met in control channel performance requirement desired value situation that described terminal is determined according to measurement result, or, be specially described terminal according to control area channel quality parameter, the CCE quantity identity corresponding with the minimum value of described CCE quantity that the CCE quantity that control channel uses is determined with the mapping relations of the mark characterizing CCE quantity, in described mapping relations, according to channel quality order from high to low, corresponding CCE quantity from small to large,
Described base station according to the CCE quantity information of the control area received, for the control channel of described terminal distributes the CCE quantity used.
12. methods as claimed in claim 11, distribute according to the control channel that the CCE quantity information of the control area received is described terminal the CCE quantity used, comprising:
Control channel for described terminal distributes the CCE of this quantity; Or, this CCE quantity is adjusted, and is the CCE of the quantity after the control channel distribution adjustment of terminal.
13. methods as claimed in claim 12, is characterized in that, described CCE quantity information is the mark characterizing CCE quantity;
Before the control channel of described terminal distributes the CCE quantity used, also comprise: according to the described mapping relations of the mark and CCE quantity that characterize CCE quantity, determine the CCE quantity corresponding with the mark of the sign CCE quantity of described terminal to report.
14. methods as described in any one of claim 12 or 13, is characterized in that, adjust, be specially described CCE quantity: adjust described CCE quantity according to control channel CCE volume residual.
15. methods as claimed in claim 11, it is characterized in that, described channel quality measurements information is channel quality parameter.
16. 1 kinds of base stations, is characterized in that, comprising:
Receiving element, for the CCE quantity information of the control area that receiving terminal reports, wherein, described CCE quantity information is that described terminal obtains according to the channel quality measurements information MAP of control area, be specially the minimum value of the CCE quantity used at the control channel met in control channel performance requirement desired value situation that described terminal is determined according to measurement result, or, be specially described terminal according to control area channel quality parameter, the CCE quantity identity corresponding with the minimum value of described CCE quantity that the CCE quantity that control channel uses is determined with the mapping relations of the mark characterizing CCE quantity, in described mapping relations, according to channel quality order from high to low, corresponding CCE quantity from small to large,
Allocation units, for the CCE quantity information according to the control area received, for the control channel of described terminal distributes the CCE quantity used.
17. base stations as claimed in claim 16, is characterized in that, described allocation units specifically for, the control channel for described terminal distributes the CCE of described quantity; Or, described CCE quantity is adjusted, and is the CCE of the quantity after the control channel distribution adjustment of described terminal.
18. base stations as claimed in claim 17, is characterized in that, described allocation units specifically for, according to control channel CCE volume residual, described CCE quantity is adjusted.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010164475.6A CN102238611B (en) | 2010-04-30 | 2010-04-30 | Control area channel quality report method, control channel collocation method and device thereof |
| PCT/CN2011/073314 WO2011134385A1 (en) | 2010-04-30 | 2011-04-26 | Method for reporting channel quality, method for control channel blind detection and configuration and device therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010164475.6A CN102238611B (en) | 2010-04-30 | 2010-04-30 | Control area channel quality report method, control channel collocation method and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102238611A CN102238611A (en) | 2011-11-09 |
| CN102238611B true CN102238611B (en) | 2016-04-27 |
Family
ID=44888698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010164475.6A Active CN102238611B (en) | 2010-04-30 | 2010-04-30 | Control area channel quality report method, control channel collocation method and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102238611B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546137B (en) * | 2011-12-29 | 2014-09-17 | 华为技术有限公司 | Method and device for detecting wireless link |
| WO2013134935A1 (en) * | 2012-03-14 | 2013-09-19 | Nec (China) Co., Ltd. | Method and apparatus for data transmission in communication system |
| CN103369582B (en) | 2012-04-06 | 2016-08-03 | 中兴通讯股份有限公司 | The Physical Downlink Control Channel qualitative forecasting method of long evolving system and device |
| CN109257766A (en) * | 2017-07-13 | 2019-01-22 | 中国移动通信有限公司研究院 | The report method of region resource, the configuration method of region parameter, terminal and base station |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895936A (en) * | 2009-05-18 | 2010-11-24 | 中兴通讯股份有限公司 | Method and device for distributing control channel resources |
-
2010
- 2010-04-30 CN CN201010164475.6A patent/CN102238611B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895936A (en) * | 2009-05-18 | 2010-11-24 | 中兴通讯股份有限公司 | Method and device for distributing control channel resources |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102238611A (en) | 2011-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102037697B (en) | Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system | |
| CN101843024B (en) | Arrangement and method for transmitting control information in wireless communication systems | |
| CN101433007B (en) | Channel quality signaling | |
| JP5320170B2 (en) | Wireless communication system, base station and terminal | |
| CN101785348B (en) | Method and apparatus for transmit power calibration in a frequency division multiplexed wireless system | |
| CN102244885B (en) | Blind detection method and device for control channel | |
| CN101695191B (en) | System and method for distributing measurement reference signal resource | |
| CN102098136A (en) | Method and apparatus for transmitting/receiving channel quality information in a communication system using an orthogonal frequency division multiplexing | |
| CN101895508A (en) | Radio communication system | |
| CN101690365B (en) | Method of allocating data in wireless communication system | |
| CA2614695A1 (en) | Apparatus and method for adaptive channel quality feedback in a multicarrier wireless network | |
| CN104081827A (en) | Reporting of multiple processes for aperiodic channel state information | |
| CN103141146A (en) | Mobile communication system, mobile station apparatus, base station apparatus, communication method and integrated circuit | |
| CN101932025B (en) | Data transmission method for uplink control channels | |
| US20180309533A1 (en) | Base station apparatus, terminal apparatus, and communication method | |
| JP2022501956A (en) | Data transmission method and equipment | |
| CN102468947A (en) | Feedback method and equipment for signal channel quality information | |
| CN108282286A (en) | The method and apparatus for asking resource | |
| CN112511268A (en) | Method, device and medium for policy configuration, power configuration and quality reporting | |
| CN105164962B (en) | A kind of downstream parameter determines method, equipment and device | |
| CN102577562A (en) | Methods and apparatus for traffic volume reporting during radio access network connection setup | |
| WO2018196534A1 (en) | Sending method configured for control resource set, method for receiving control information, network side device and terminal | |
| CN102238611B (en) | Control area channel quality report method, control channel collocation method and device thereof | |
| CN102035619A (en) | Method, system and equipment for channel quality information feedback | |
| CN111447665B (en) | Method and device used in user equipment and base station for power adjustment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |