CN101426225B - Method for uploading channel quality indication report by terminal - Google Patents
Method for uploading channel quality indication report by terminal Download PDFInfo
- Publication number
- CN101426225B CN101426225B CN2008101826117A CN200810182611A CN101426225B CN 101426225 B CN101426225 B CN 101426225B CN 2008101826117 A CN2008101826117 A CN 2008101826117A CN 200810182611 A CN200810182611 A CN 200810182611A CN 101426225 B CN101426225 B CN 101426225B
- Authority
- CN
- China
- Prior art keywords
- carrier frequency
- component carrier
- channel quality
- terminal
- report
- 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
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
Abstract
The present invention discloses a method for reporting channel quality indication report by terminal, wherein the method comprises the following procedures: selecting one or a plurality of modes from a full-bandwidth reporting mode, a terminal selection reporting mode and a high-level collocation reporting mode; selecting a reporting unit according to the selected reporting mode; transmitting the channel quality indication report by the terminal to a base station with the selected reporting mode and the selected reporting unit; wherein the full-bandwidth reporting mode is a mode that the terminal reports a whole channel quality condition of one period of continuous bandwidth. The terminal selection reporting mode is a mode that the terminal selects a component carrier frequency or sub-band with best channel quality for reporting according to the channel quality condition of component carrier frequency in the used component carrier frequency. The high-level collocation reporting mode is a mode that the terminal feeds back the channel quality condition of component carrier frequency or sub-band which is requested for being fed back by the base station collocation. The application of the method according to the invention settles the problem that the method of traditional CQI report in the condition of large bandwidth of LTE-A, etc can not be satisfied.
Description
Technical field
The present invention relates to field of mobile wireless communication, relate in particular to a kind of method of uploading channel quality indication report by terminal.
Background technology
LTE-A (Further Advancements for E-UTRA) is the evolution version of LTE (Long Term Evolution) Release-8.Except that satisfying or surpassing 3GPP TR unclear 25.913: outside all related needs of " Requirements for EvolvedUTRA (E-UTRA; Evolved-Universal Terrestrial Radio Access; the general land wireless access of evolution) and Evolved UTRAN (E-UTRAN; the universal land radio access web of evolution) ", also will meet or exceed the demand of IMT-Advanced (the senior international mobile communication) system of ITU-R proposition.Wherein, the demand with LTE Release-8 backward compatibility is meant: the terminal of LTE Release-8 can be worked in the network of LTE-Advanced; The terminal of LTE-Advanced can be worked in the network of LTE Release-8.6 kinds of bandwidth: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz and 20MHz have been defined at LTE Release-8; And LTE-Advanced should be able to comprise frequency spectrum configuration (as maximum reach the frequency spectrum resource of 100MHz) the down work wideer than LTE Release-8 in the frequency spectrum configuration of different sizes, to reach higher performance and target peak speed.But how to obtain and use so big bandwidth spectrum to have a variety of possible situations, assemble not open and avoid by component carrier frequency (carrier wave or frequency spectrum) (component carrier), comprise and use continuous, discrete component carrier frequency (carrier wave or frequency spectrum) ethod of remittance.
Channel quality indication (CQI, Channel Quality Indicator) report is the feedback to the quality information of downlink channel, system by these information dispatch, AMC (Adaptive Modulationand Coding, adaptive modulation and coding), operations such as interference management and power control, to reach the purpose that improves systematic function.In LTE, there are broadband CQI report, UE (User Equipment in system to the report manner of CQI, terminal) selects CQI report and three kinds of modes of high-rise configuration CQI report, several Report modes (as shown in Figure 1) that make up according to PMI (Precoding Matrix Indicator, pre-coding matrix indication) feedback kind correspondence again under every kind of report manner.But owing to the reasons such as big bandwidth of LTE-A, the methods of the CQI of LTE report can not satisfy the requirement of LTE-A.
Summary of the invention
Technical problem to be solved by this invention is, a kind of method of uploading channel quality indication report by terminal is provided, and solved traditional unappeasable problem of CQI method of reporting under the situation of big bandwidth such as LTE-A.
In order to address the above problem, the invention provides a kind of method of uploading channel quality indication report by terminal, comprise,
Report mode, terminal to select to report mode and high-rise configuration to report the mode from full bandwidth and select one or more;
Select the unit of reporting according to the described mode of selecting that reports;
Terminal according to select described report mode with the described unit of reporting selected to base station transmitting channel quality indication report;
Wherein,
Described full bandwidth reports mode to be meant the overall channel quality situation of one section continuous bandwidth of terminal to report;
Described terminal selects to report mode to be meant the channel quality condition of terminal according to component carrier frequency in the component carrier frequency of using, and top-quality component carrier frequency of selective channel or subband report;
Described high-rise configuration reports mode to be meant that terminal feedback base station configuration requires the component carrier frequency of feedback or the channel quality condition on the subband.
Further, said method can comprise that also the unit of reporting of described selection comprises: one or more in full bandwidth, component carrier frequency and the subband;
Wherein, subband is made up of k continuous Resource Block, and k is a positive integer.
Further, said method can comprise that also the overall channel quality situation of this terminal utilized bandwidth of described terminal to report comprises: the mean value of the channel quality indication of all component carrier frequency that the terminal to report terminal is used;
Perhaps, be unit with the component carrier frequency, the value of the channel quality indication of all component carrier frequency that the terminal to report terminal is used.
Further, said method can comprise that also described is unit with the component carrier frequency, the value of the channel quality indication of all component carrier frequency that the terminal to report terminal is used, be meant with the component carrier frequency to be unit, each is used the value of the channel quality indication on the full bandwidth of component carrier frequency terminal to report;
Perhaps being meant, is unit with the component carrier frequency, and each is used the value and the position of the channel quality indication of M best subband of the channel quality of component carrier frequency terminal to report, and M is a positive integer.
Further, said method also can comprise, described terminal is according to the channel quality condition of component carrier frequency in the component carrier frequency of using, the top-quality component carrier frequency of selective channel reports and is meant, terminal to report uses value and the component carrier frequency sequence number that I best component carrier frequency channel quality of channel quality indicated in the component carrier frequency, and I is a positive integer;
Described terminal is according to the channel quality condition of component carrier frequency in the component carrier frequency of using, the top-quality subband of selective channel reports and is meant, terminal to report uses value and the position that M best sub-band channel quality of channel quality indicated in the component carrier frequency, and M is a positive integer.
Further, said method can comprise that also described terminal to report uses the value that I best component carrier frequency channel quality of channel quality indicated in the component carrier frequency, is each loading gage value of the channel quality indication of full bandwidth frequently of calling the score;
Perhaps, described terminal to report uses the value that I best component carrier frequency channel quality of channel quality indicated in the component carrier frequency, be the value and the position of best M the sub-band channel quality indication of channel quality in the top-quality I component carrier frequency of notifying, M is a positive integer.
Further, said method also can comprise, when described base station configuration requires to be fed back to the channel quality condition of only feeding back the one-component carrier frequency,
The value of full bandwidth channel quality indication in the described component carrier frequency of terminal to report;
Perhaps, the value and the position of the channel quality indication of M the subband that the interior channel quality of the described component carrier frequency of terminal to report is best, M is a positive integer;
Perhaps, the terminal to report base station configuration requires the value that the channel quality of the interior particular sub-band of component carrier frequency of feedback is indicated.
Further, said method also can comprise, when described base station configuration requires to be fed back to the channel quality condition of a plurality of component carrier frequency of feedback,
The mean value of the channel quality indication of terminal feedback a plurality of component carrier frequency of using;
Perhaps, terminal is a unit with the component carrier frequency, reports the value of channel quality indication of each component carrier frequency of required feedback;
Perhaps, I best component carrier frequency channel quality indication situation of channel quality in the required feedback component carrier frequency of terminal to report, I is a positive integer;
Perhaps, terminal to report uses the value and the position of the channel quality indication of M best subband of channel quality in each component carrier frequency, and M is a positive integer;
Perhaps, the terminal to report base station configuration requires the value of the channel quality indication of the feedback particular sub-band in the component carrier frequency of using.
Further, said method also can comprise, I best component carrier frequency channel quality condition of channel quality is meant in the required feedback component carrier frequency of described terminal to report, the value and the component carrier frequency sequence number of the indication of the channel quality of full bandwidth on the described best I component carrier frequency of terminal to report;
Perhaps, I best component carrier frequency channel quality condition of channel quality is meant in the required feedback component carrier frequency of described terminal to report, the value and the position of the described best I of a terminal to report top-quality M of component carrier frequency upper signal channel sub-band channel quality indication, M is a positive integer.
Further, said method can comprise that also the value of described channel quality indication is the absolute value of channel quality indication or the relative value of channel quality indication, and wherein, the relative value of described channel quality indication is the difference value of average channel quality indication.
Compared with prior art, adopt said method of the present invention so that base station system is in time obtained channel quality status information, according to the information obtained dispatch, operations such as AMC, interference management and power control guarantee that systematic function reaches optimum; Method of the present invention can satisfy the characteristics of LTE-A carrier frequency (frequency spectrum), the abundant channel quality of the integral status of feedback frequency spectrum, a plurality of frequency ranges channel quality information feedback of situation and each level separately, and UE operator scheme that can compatible LTE satisfies continuous, discrete frequency spectrum ethod of remittance of the big bandwidth of LTE-A.
Description of drawings
Fig. 1 is the schematic diagram of the CQI Report mode of current LTE system;
Fig. 2 is the schematic diagram of the CQI method for reporting of LTE-A of the present invention system;
Fig. 3 is the schematic diagram of the CQI method for reporting combining form of LTE-A of the present invention system.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
The base unit of channel quality reporting mode is made up of in full bandwidth, component carrier frequency and three kinds of forms of subband one or more.
Wherein, described subband is meant each is used the be divided into a plurality of subbands of component carrier frequency according to the numeric order of Resource Block, and wherein, each subband is made up of k in the component carrier frequency continuous Resource Block, and k is a positive integer.
The terminal to report channel quality can be periodic report and aperiodicity report.
Periodic report is meant that UE periodically feeds back the channel quality condition of component carrier frequency that UE uses to eNB (base station); Report aperiodic is meant that according to needs UE incident ground is to the channel quality condition of eNB (base station) feedback component carrier frequency that UE uses.
In LTE-A, the mode of terminal to report channel quality comprises that full bandwidth reports, UE selects to report and high-rise configuration reports in three kinds of feedback report modes one or more.On carrying out channel quality, give the correct time, selected after the report manner, select and the described unit of reporting that reports mode to adapt, the unit's of reporting selection principle is: the described unit of reporting can not be greater than the bandwidth of described measurement, and the described unit of reporting is determined by corresponding scene.
As shown in Figure 2, according to the frequency spectrum characteristic of LTE-A, the present invention proposes the method for uploading channel quality indication report by terminal.
Embodiment 1:
The channel quality indication report procedure.
UE is after receiving the message that needs the indication of based on feedback link channel quality, at first judge the periodicity of report, report may be periodically also may be acyclic, and the aperiodicity report all is the incident triggering usually, is used in time understanding the link channel quality information.Judge the CQI report manner method of LTE-A then according to message (physical layer signaling or high-level signaling), the base unit of report can be component carrier frequency level or sub-band levels, the component carrier frequency level is to be that the elementary cell of reporting is reported with the component carrier frequency, the sub-band levels mode is to the sequence number of use component carrier frequency according to Resource Block, order is divided into subband, it with the subband feedback that the elementary cell of report is carried out the CQI situation, the mode of report can be that full bandwidth reports, or the UE selection mode reports, or the mode of high-rise configuration reports, and the concrete combined situation of report can be referring to Fig. 3.UE measures and collects the correlated channels quality information after clear and definite concrete report manner method, feed back corresponding C QI value with signaling method to eNB (base station) then.After eNB (base station) receives the channel quality Indication message, carry out relevant treatment.
The value of described CQI is the relative value of absolute value or the CQI of CQI, and wherein, the relative value of described CQI is the difference value of average channel quality indication.
Embodiment 2
The channel quality report method of full bandwidth.
The CQI method for reporting of this LTE-A is the method for UE according to the channel quality of the situation report overall spectrum of employed component carrier frequency.Report classification important to some extent carrier frequency CQI mean value and each component carrier frequency CQI value dual mode under the method;
Scene one
The CQI mean value of all component carrier frequency that report UE uses;
Method one
UE measures and collects the CQI value of institute's each component carrier frequency of utilized bandwidth, carries out obtaining after corresponding arithmetic mean or the weighted average CQI value of an overall spectrum, then with signaling method to eNB feedback report result.
Method two
UE presses lookup table mode and selects a close value according to the channel situation of institute's utilized bandwidth, and its index is fed back to eNB with signaling method;
Scene two
With the component carrier frequency is unit, the channel quality condition of all component carrier frequency that report UE uses;
Method one
Each component carrier frequency reports the CQI value of full bandwidth in this component carrier frequency;
According to channel quality in the component carrier frequency, to press lookup table mode and select a close value, the index that described component carrier frequency full bandwidth CQI value is corresponding feeds back to eNB with signaling method;
Perhaps,
According to channel quality in the component carrier frequency, the CQI mean value of all component carrier frequency of using with respect to UE carries out difference according to the difference coded system and reports, and the difference value of described component carrier frequency full bandwidth CQI value correspondence is fed back to eNB with signaling method;
Method two
Each component carrier frequency reports best M subband CQI value and position in this component carrier frequency;
UE is by obtaining corresponding CQI value to each component carrier frequency of its utilized bandwidth respectively according to the subband mode, and then obtain the CQI value and the position of a best M subband in each component carrier frequency, the CQI value and the position of a best M subband in each component carrier frequency are fed back to eNB with signaling method;
Above-mentioned best M subband CQI value can use the CQI mean value difference coded system of all component carrier frequency of using with respect to full bandwidth CQI or UE in the component carrier frequency to represent.
Embodiment 3
The channel quality report method that UE selects.
The CQI method for reporting of this LTE-A be UE according to component carrier frequency corresponding channel quality situation, the method that top-quality component carrier frequency of selective channel or subband report.
Scene one
The top-quality I of a selective channel component carrier frequency reports;
Method one
Report the CQI value of full bandwidth in this component carrier frequency on the best component carrier frequency;
According to channel quality in the component carrier frequency, obtain the CQI value of each component carrier frequency full bandwidth, relatively the CQI value of each component carrier frequency full bandwidth is selected best CQI value and place component carrier frequency sequence number, feeds back to eNB with signaling method;
Described component carrier frequency sequence number is for numbering in sequence according to the front and back of each component carrier frequency of forming bandwidth.
The CQI mean value of all component carrier frequency of using with respect to UE, described best CQI value is carried out difference according to the difference coded system and is reported, and perhaps, press close value of lookup table mode selection, reports the index of correspondence;
Method two
Report the CQI value of best M subband in this component carrier frequency on the best component carrier frequency;
At first, according to the CQI value of the full bandwidth of each component carrier frequency, determine a best I component carrier frequency, then, from I component carrier frequency, select best M subband CQI value and position to report respectively again, the CQI value and the position of a described best M subband are fed back to eNB with signaling method;
Above-mentioned best M subband CQI value can be used, and with respect to the CQI mean value of all component carrier frequency of full bandwidth CQI or UE use in the component carrier frequency, represents with the difference coded system.
Scene two
The top-quality M of a selective channel subband reports;
UE obtains corresponding CQI value by each component carrier frequency to its utilized bandwidth respectively according to the subband mode, and therefrom obtains the CQI value and the position of a best M subband;
Above-mentioned best M subband CQI value can use the CQI mean value difference coded system of all component carrier frequency of using with respect to full bandwidth CQI or UE in the component carrier frequency to represent.
Embodiment 4
The channel quality report method of high-rise configuration.
The method is that UE is according to the component carrier frequency channel quality condition on eNB (base station) the configuration requirement feedback institute utilized bandwidth.This method for reporting comprise only feed back the one-component carrier frequency and the feedback a plurality of component carrier frequency dual modes.
Scene one
For the mode of feedback one-component carrier frequency, be only to feed back a situation when pointing to the CQI report by the component carrier frequency of base station configuration appointment, it is the important carrier frequency full bandwidth of method CQI value, a best M subband CQI value and particular sub-band CQI value three class methods down.
Method one
The CQI value of component carrier frequency full bandwidth is specified in report;
UE presses lookup table mode and selects a close value according to by channel quality in the component carrier frequency of the required feedback of base station configuration, and the index that described component carrier frequency full bandwidth CQI value is corresponding feeds back to eNB with signaling method;
Perhaps
According to by channel quality in the component carrier frequency of the required feedback of base station configuration, the CQI mean value of all component carrier frequency of using with respect to UE, carry out difference according to the difference coded system and report, the difference value that described component carrier frequency full bandwidth CQI value is corresponding feeds back to eNB with signaling method;
Method two
The report base station configuration is specified best M the subband CQI value and the position of component carrier frequency;
UE obtains corresponding CQI value by the component carrier frequency to the required report of base station configuration according to the subband mode, and the CQI value and the position of getting a best M subband in the component carrier frequency of base station configuration, the CQI value and the position of a described best M subband are fed back to eNB with signaling method;
Above-mentioned best M subband CQI value can be used, and with respect to the CQI mean value of all component carrier frequency of full bandwidth CQI or UE use in the component carrier frequency, represents with the difference coded system.
Method three
The methods of report base station configuration particular sub-band CQI value;
UE is according to the subband mode, to eNB feedback, the CQI value of particular sub-band in the base station configuration component carrier frequency.
Scene two
Mode for a plurality of component carrier frequency of feedback, feed back the situation of a plurality of component carrier frequency for base station configuration requires the UE report, it is five class methods such as the important to some extent carrier frequency CQI of method mean value, each component carrier frequency CQI value, a best I component carrier frequency CQI value, a best M subband CQI value and particular sub-band CQI value down.
Method one
The methods of all component carrier frequency CQI mean values of report base station configuration appointment;
UE obtains each CQI value of the appointment component carrier frequency of base station configuration, according to obtaining required reflection component carrier frequency corresponding C QI value after arithmetic mean or the weighted average, feeds back to eNB then;
Perhaps
UE presses lookup table mode and selects a close value according to the channel situation of the appointment component carrier frequency bandwidth of base station configuration, and its index is fed back to eNB with signaling method;
Method two
The mode of the channel quality of each component carrier frequency is specified in report by base station configuration;
Mode one
Each component carrier frequency of base station configuration reports the CQI value of full bandwidth in this component carrier frequency;
According to channel quality in the component carrier frequency, press lookup table mode and select a close value, the index of the full bandwidth CQI value correspondence of each component carrier frequency of base station configuration is fed back to eNB with signaling method;
Perhaps,
According to channel quality in the component carrier frequency, CQI mean value with respect to all component carrier frequency of UE utilized bandwidth, carry out difference according to the difference coded system and report, the difference value that each component carrier frequency full bandwidth CQI value of base station configuration is corresponding feeds back to eNB with signaling method;
Mode two
Each component carrier frequency of base station configuration reports best M subband CQI value and position in this component carrier frequency;
UE obtains corresponding CQI value by each component carrier frequency to base station configuration respectively according to the subband mode, and then obtain the CQI value and the position of a best M subband in each component carrier frequency, the CQI value and the position of a best M subband in each component carrier frequency are fed back to eNB with signaling method;
Above-mentioned best M subband CQI value can use the CQI mean value difference coded system of all component carrier frequency of using with respect to full bandwidth CQI or UE in the component carrier frequency to represent.
Method three
In the component carrier frequency of base station configuration appointment, the top-quality I of a UE selective channel component carrier frequency reports;
Mode one
According to channel quality in the component carrier frequency, obtain the CQI value of each component carrier frequency full bandwidth of base station configuration, relatively the CQI value of each component carrier frequency full bandwidth is selected best CQI value and place component carrier frequency sequence number, feeds back to eNB;
The CQI mean value of all component carrier frequency of using with respect to UE, described best CQI value is carried out difference according to the difference coded system and is reported, and perhaps, press close value of lookup table mode selection, reports the index of correspondence;
Mode two
At first, according to the full bandwidth CQI value of each component carrier frequency, determine a best I component carrier frequency, then, from I component carrier frequency, select best M subband CQI value and position to report respectively again, the CQI value and the position of a described best M subband are fed back to eNB;
Above-mentioned best M subband CQI value can be used, and with respect to the CQI mean value of all component carrier frequency of full bandwidth CQI or UE use in the component carrier frequency, represents with the difference coded system.
Method four
The report base station configuration is specified the methods of best M subband CQI value of each component carrier frequency;
UE obtains corresponding CQI value to each component carrier frequency of the required report of base station configuration according to the subband mode, and gets the CQI value and the position of a best M subband in above-mentioned all subbands, and the CQI value and the position of a described best M subband are fed back to eNB with signaling method;
Above-mentioned best M subband CQI value can be used, and with respect to the CQI mean value of all component carrier frequency of full bandwidth CQI or UE use in the component carrier frequency, represents with the difference coded system.
Method five
The methods of particular sub-band CQI value in each component carrier frequency of report base station configuration appointment;
UE is according to the CQI value of subband mode particular sub-band in the certain components carrier frequency of eNB feedback base station appointment.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in technical scope disclosed in this invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. the method for a uploading channel quality indication report by terminal is characterized in that, comprise,
Report mode, terminal to select to report mode and high-rise configuration to report the mode from full bandwidth and select one or more;
Select the unit of reporting according to the described mode of selecting that reports;
Terminal according to select described report mode with the described unit of reporting selected to base station transmitting channel quality indication report;
Wherein,
Described full bandwidth reports mode to be meant the overall channel quality situation of one section continuous bandwidth of terminal to report;
Described terminal selects to report mode to be meant the channel quality condition of terminal according to component carrier frequency in the component carrier frequency of using, and top-quality component carrier frequency of selective channel or subband report;
Described high-rise configuration reports mode to be meant that terminal feedback base station configuration requires the component carrier frequency of feedback or the channel quality condition on the subband.
2. the method for claim 1 is characterized in that,
The unit of reporting of described selection comprises: one or more in full bandwidth, component carrier frequency and the subband;
Wherein, subband is made up of k continuous Resource Block, and k is a positive integer.
3. method as claimed in claim 2 is characterized in that,
The overall channel quality situation of this terminal utilized bandwidth of described terminal to report comprises: the mean value of the channel quality indication of all component carrier frequency that the terminal to report terminal is used;
Perhaps, be unit with the component carrier frequency, the value of the channel quality indication of all component carrier frequency that the terminal to report terminal is used.
4. method as claimed in claim 3 is characterized in that,
Described is unit with the component carrier frequency, and the value of the channel quality indication of all component carrier frequency that the terminal to report terminal is used is meant with the component carrier frequency to be unit, and each is used the value of the channel quality indication on the full bandwidth of component carrier frequency terminal to report;
Perhaps being meant, is unit with the component carrier frequency, and each is used the value and the position of the channel quality indication of M best subband of the channel quality of component carrier frequency terminal to report, and M is a positive integer.
5. method as claimed in claim 2 is characterized in that,
Described terminal is according to the channel quality condition of component carrier frequency in the component carrier frequency of using, the top-quality component carrier frequency of selective channel reports and is meant, terminal to report uses value and the component carrier frequency sequence number that I best component carrier frequency channel quality of channel quality indicated in the component carrier frequency, and I is a positive integer;
Described terminal is according to the channel quality condition of component carrier frequency in the component carrier frequency of using, the top-quality subband of selective channel reports and is meant, terminal to report uses value and the position that M best sub-band channel quality of channel quality indicated in the component carrier frequency, and M is a positive integer.
6. method as claimed in claim 5 is characterized in that,
Described terminal to report uses the value that I best component carrier frequency channel quality of channel quality indicated in the component carrier frequency, is each loading gage value of the channel quality indication of full bandwidth frequently of calling the score;
Perhaps, described terminal to report uses the value that I best component carrier frequency channel quality of channel quality indicated in the component carrier frequency, be the value and the position of best M the sub-band channel quality indication of channel quality in the top-quality I component carrier frequency of notifying, M is a positive integer.
7. method as claimed in claim 2 is characterized in that,
When described base station configuration requires to be fed back to the channel quality condition of only feeding back the one-component carrier frequency,
The value of full bandwidth channel quality indication in the described component carrier frequency of terminal to report;
Perhaps, the value and the position of the channel quality indication of M the subband that the interior channel quality of the described component carrier frequency of terminal to report is best, M is a positive integer;
Perhaps, the terminal to report base station configuration requires the value that the channel quality of the interior particular sub-band of component carrier frequency of feedback is indicated.
8. method as claimed in claim 2 is characterized in that,
When described base station configuration requires to be fed back to the channel quality condition of a plurality of component carrier frequency of feedback,
The mean value of the channel quality indication of terminal feedback a plurality of component carrier frequency of using;
Perhaps, terminal is a unit with the component carrier frequency, reports the value of channel quality indication of each component carrier frequency of required feedback;
Perhaps, I best component carrier frequency channel quality indication situation of channel quality in the required feedback component carrier frequency of terminal to report, I is a positive integer;
Perhaps, terminal to report uses the value and the position of the channel quality indication of M best subband of channel quality in each component carrier frequency, and M is a positive integer;
Perhaps, the terminal to report base station configuration requires the value of the channel quality indication of the feedback particular sub-band in the component carrier frequency of using.
9. method as claimed in claim 8 is characterized in that,
I best component carrier frequency channel quality condition of channel quality is meant in the required feedback component carrier frequency of described terminal to report, the value and the component carrier frequency sequence number of the indication of the channel quality of full bandwidth on the described best I component carrier frequency of terminal to report;
Perhaps, I best component carrier frequency channel quality condition of channel quality is meant in the required feedback component carrier frequency of described terminal to report, the value and the position of the described best I of a terminal to report top-quality M of component carrier frequency upper signal channel sub-band channel quality indication, M is a positive integer.
10. as the arbitrary described method of claim 1 to 9, it is characterized in that,
The value of described channel quality indication is the absolute value of channel quality indication or the relative value of channel quality indication, and wherein, the relative value of described channel quality indication is the difference value of average channel quality indication.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101826117A CN101426225B (en) | 2008-12-09 | 2008-12-09 | Method for uploading channel quality indication report by terminal |
| PCT/CN2009/073975 WO2010066146A1 (en) | 2008-12-09 | 2009-09-16 | Method for a terminal reporting a channel quality indicator report |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101826117A CN101426225B (en) | 2008-12-09 | 2008-12-09 | Method for uploading channel quality indication report by terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101426225A CN101426225A (en) | 2009-05-06 |
| CN101426225B true CN101426225B (en) | 2010-09-29 |
Family
ID=40616510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101826117A Active CN101426225B (en) | 2008-12-09 | 2008-12-09 | Method for uploading channel quality indication report by terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101426225B (en) |
| WO (1) | WO2010066146A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8532218B2 (en) | 2010-09-20 | 2013-09-10 | Zte Corporation | Method and terminal for channel state information feedback |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101426225B (en) * | 2008-12-09 | 2010-09-29 | 中兴通讯股份有限公司 | Method for uploading channel quality indication report by terminal |
| EP3661240B1 (en) * | 2009-04-28 | 2023-11-15 | Mitsubishi Electric Corporation | Mobile transmission system, base station and mobile terminal |
| JP5320170B2 (en) * | 2009-06-05 | 2013-10-23 | 株式会社日立製作所 | Wireless communication system, base station and terminal |
| KR101119119B1 (en) * | 2009-06-08 | 2012-03-16 | 엘지전자 주식회사 | Communication method using a carrier aggregation and apparatus therefore |
| EP2445290A4 (en) * | 2009-06-19 | 2016-10-26 | Mitsubishi Electric Corp | Mobile communication system |
| CN101931494B (en) * | 2009-06-22 | 2014-04-09 | 中兴通讯股份有限公司 | Device and method for transmitting channel quality information |
| CN101932014A (en) * | 2009-06-23 | 2010-12-29 | 中兴通讯股份有限公司 | Method for processing measurement configuration in carrier aggregation |
| KR20120037948A (en) | 2009-07-21 | 2012-04-20 | 엘지전자 주식회사 | Apparatus and method for transmitting channel state information in a wireless communication system |
| CN101998436B (en) * | 2009-08-14 | 2014-05-14 | 电信科学技术研究院 | Channel information feedback method of multi-carrier system and equipment thereof |
| CN102118234A (en) * | 2009-12-30 | 2011-07-06 | 华为技术有限公司 | Channel quality indicator (CQI) feedback method, communication equipment and communication system |
| CN102237955B (en) | 2010-05-07 | 2013-11-06 | 电信科学技术研究院 | Channel state information reporting method and device |
| CN102255685B (en) * | 2010-05-17 | 2015-01-07 | 华为技术有限公司 | CSI (Channel State Information) feeding back method, and UE (User Equipment) |
| CN102013954B (en) * | 2010-07-08 | 2011-12-07 | 华为技术有限公司 | Method for reporting and acquiring channel state information, base station and user equipment |
| CN102377539B (en) * | 2010-08-12 | 2015-05-13 | 华为技术有限公司 | Methods for feedback and acquisition of channel state information (CSI) of a plurality of component carriers (CC), user equipment (UE) and evolved NodeB |
| CN101908951B (en) * | 2010-08-16 | 2016-05-11 | 中兴通讯股份有限公司 | A kind of method for reporting of channel condition information and base station |
| CN101917259B (en) * | 2010-08-16 | 2016-06-15 | 中兴通讯股份有限公司 | The triggering method of aperiodic channel status information reports and base station |
| CN103369587B (en) * | 2012-04-01 | 2018-01-12 | 华为技术有限公司 | A kind of measuring method and device |
| CN103023617A (en) * | 2013-01-08 | 2013-04-03 | 李文龙 | Method for reporting CQIs (channel quality indicators) |
| CN104935402B (en) * | 2014-03-21 | 2018-07-10 | 上海诺基亚贝尔股份有限公司 | The method, apparatus and equipment that subband CQI is reported are carried out in LC-MTC user equipmenies |
| CN108781384A (en) * | 2016-03-31 | 2018-11-09 | 华为技术有限公司 | Method, user equipment and base station for determining channel quality indicator (CQI) index |
| CN107707286B (en) * | 2016-08-08 | 2021-07-09 | 华为技术有限公司 | Feedback method and device of channel quality information |
| US20220124536A1 (en) * | 2020-10-20 | 2022-04-21 | Mediatek Singapore Pte. Ltd. | Reporting Of Best Wideband CQI In Mobile Communications |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8121552B2 (en) * | 2006-09-05 | 2012-02-21 | Motorola Mobility, Inc. | Method and apparatus for providing channel quality feedback in a wireless communication system |
| US8068427B2 (en) * | 2006-09-27 | 2011-11-29 | Qualcomm, Incorporated | Dynamic channel quality reporting in a wireless communication system |
| CN101426225B (en) * | 2008-12-09 | 2010-09-29 | 中兴通讯股份有限公司 | Method for uploading channel quality indication report by terminal |
-
2008
- 2008-12-09 CN CN2008101826117A patent/CN101426225B/en active Active
-
2009
- 2009-09-16 WO PCT/CN2009/073975 patent/WO2010066146A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8532218B2 (en) | 2010-09-20 | 2013-09-10 | Zte Corporation | Method and terminal for channel state information feedback |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101426225A (en) | 2009-05-06 |
| WO2010066146A1 (en) | 2010-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101426225B (en) | Method for uploading channel quality indication report by terminal | |
| EP3534550B1 (en) | Csi measurement method and apparatus | |
| CN101273548B (en) | Method for reducing feedback information spending of precoding MIMO-OFDM system | |
| EP3054613B1 (en) | Method and device for information announcement and reporting and data reception | |
| KR102060386B1 (en) | Method and apparatus for transmitting and receiving feedback for cooperative transmission among multiple cells | |
| EP2863565B1 (en) | Method, user equipment, and system for feeding channel state information back | |
| EP2709288B1 (en) | Method, device and system for transmitting channel state information | |
| US9800299B2 (en) | Method and device for coordinated scheduling | |
| EP2498417A2 (en) | Method for transmitting channel quality information, and apparatus for the same | |
| CN106455091A (en) | Channel state information (CSI) reporting method and device thereof | |
| US10505694B2 (en) | CSI measurement and feedback method, and device | |
| US20130303180A1 (en) | Multi-Channel State Information Feedback with Cell-specific Adaptive Granularity | |
| KR20200013041A (en) | Channel quality feedback method and apparatus | |
| CN102640527A (en) | System and method for coordinating different types of base stations in a heterogeneous communications system | |
| US20210167829A1 (en) | Channel state information reporting method and apparatus | |
| KR102065377B1 (en) | Method and appaatus for transmitting and receiving a feedback signal in a mobile communication system | |
| CN103107866A (en) | Reporting method and device | |
| CN110830093B (en) | Method and device for transmitting channel state information | |
| EP3934308A1 (en) | Coverage adjustment method, apparatus and system | |
| CN102801498A (en) | Method and equipment for reporting and determining sub-band feedback selected by terminal equipment | |
| CN105530075A (en) | CSI feedback method and device in FD-MIMO communication | |
| US20120218937A1 (en) | User Equipment Feedback In Support of Multiple Input Multiple Output Operations | |
| CN107872260B (en) | Communication method and network equipment | |
| CN102340383A (en) | Feedback method and device for channel information in coordinated multipoint transmission/reception (COMP) | |
| CN103748820A (en) | Method and apparatus for reporting channel state information and determining modulation code mode |
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 |