CN102801498B - A kind of terminal equipment selects reporting of subband feedback and defining method and equipment - Google Patents

Abstract

The invention discloses a kind of terminal equipment and select reporting of subband feedback and defining method and equipment, the method comprises: base station equipment is the one or more channel condition information process of terminal equipment configuration, and be that described terminal equipment configuration subband is selected to indicate; Described subband selects instruction to send to described terminal equipment by described base station equipment; Described base station equipment receives the feedback information that described terminal equipment reports, and determines that the feedback information of subband feedback selected by described terminal equipment; Described terminal equipment receives the subband selection instruction that described base station equipment is described terminal equipment configuration; Described terminal equipment utilizes described subband to select instruction to carry out subband selection, and utilizes the subband uploading feedback information selected.In the embodiment of the present invention, by configuring the subband selective dependency relation of multiple channel condition information process, realizing multiple channel condition information process with unlike signal hypothesis and/or disturbance hypothesis and selecting to feed back based on identical subband.

Description

A kind of terminal equipment selects reporting of subband feedback and defining method and equipment

Technical field

The present invention relates to communication technical field, especially relate to a kind of terminal equipment and select reporting of subband feedback and defining method and equipment.

Background technology

At LTE-A(LongTermEvolution-Advance, Long Term Evolution strengthens) in system, in order to reduce the adjacent area interference of cell boundary terminal equipment, improving the experience of cell boundary terminal equipment, cooperative multipoint transmission technology can be adopted; Wherein, cooperative multipoint transmission technology is the multiple TP(TransmissionPoint be separated on geographical position, transfer point) between cooperation, and multiple transfer point refers to the base station of Huo Yige community, base station and multiple RRH(RemoteRadioHead of its control of different districts, remote radio).

Cooperative multipoint transmission technology can be divided into down collaboration multi-point and uply combine reception, and down collaboration multi-point comprises CS/CB(CoordinatedScheduling/CoordinatedBeamforming, cooperative scheduling/precoding) and JP(JointProcessing, Combined Treatment).In CS/CB transmitting procedure, send useful signal by the transfer point of in multiple transfer point to terminal equipment, other transfer point, by combined dispatching and wave beam forming, reduces the interference to terminal equipment as far as possible.JP scheme can be divided into JT(JointTransmission again, joint transmission) and DPS(DynamicPointSelection, dynamic transmission point selection); In JT transmitting procedure, send useful signal to terminal equipment by multiple transfer point simultaneously, thus enhance the Received signal strength of terminal equipment; In DPS transmitting procedure, the transfer point of switching at runtime terminal equipment, it always selects the signal transfer point of terminal equipment optimum being carried out to transmission terminal equipment from cooperation transmission point.Above-mentioned cooperative multipoint transmission scheme can be combined with each other, and also in conjunction with DB(DynamicBlanking, dynamically can mourn in silence) scheme use, some transfer point is dynamically set on some running time-frequency resource and does not send signal.

In order to support cooperative multipoint transmission, network side is that terminal equipment configuration has one or more channel condition information process, and the corresponding CoMP(Co-ordinatedMultiplePointTransmission of each channel condition information process, multi-point joint transmission) a downlink reference signal resource (as NZPCSI-RS(Non-ZeroPowerChannelStateInformation-Reference Signal, non-zero power channel state information reference signals) resource etc. in measuring assembly) and an interference hypothesis; And terminal equipment is by the down channel of each transfer point of downlink reference signal resource measurement, and the IMR(InterferenceMeasurementResource of the correspondence configured by network side, interferometry resource) interference of measurements interference hypothesis.

It should be noted that, in above process, the corresponding downlink reference signal resource of each transfer point, it may comprise one or more physical transfer point, and after realizing down channel measurement and interferometry, terminal equipment also needs the CSI(ChannelStateInformation needed for transmission plan, channel condition information) carry out information calculating and report; Wherein, CSI is with based on PUCCH(PhysicalUplinkControlChannel, Physical Uplink Control Channel) periodic report or based on PUSCH(PhysicalUplinkSharedChannel, Physical Uplink Shared Channel) the mode that reports aperiodic report.

Further, network side can be each channel condition information process configuration reporting source of channel state information pattern, and different channels state information process possible configuration difference reports pattern, the feedback information of these channel condition information processes reports in respective reporting in pattern; In addition, also possible configuration is identical reports pattern for different channels state information process, configures the identical feedback information of the channel condition information process of pattern that reports and reports same reporting in pattern.Wherein, comprise based on the periodic report of PUCCH and report pattern 1-0, report pattern 1-1, report pattern 2-0, report pattern 2-1; The pattern 1-0 of reporting comprises broadband CQI(ChannelQualityIndicator, and channel quality indicates); The pattern 1-1 of reporting comprises broadband CQI and broadband P MI(PrecodingMatrixIndicator, and pre-coding matrix indicates), and also containing subpattern 1 and subpattern 2, for transmission mode 9, the reporting source of channel state information of base station 8 antenna port; The pattern 2-0 of reporting comprises terminal equipment and selects subband CQI; The pattern 2-1 of reporting comprises terminal equipment and selects subband CQI and broadband P MI.The above-mentioned pattern that reports comprises reporting types 1,1a, reporting types 2,2a, 2b, 2c, reporting types 3, reporting types 4, reporting types 5 and reporting types 6 altogether, for reporting CQI, PMI/RI(RankIndicator, order indicate), PTI(PrecodingTypeIndicator, precoding type indicate) etc. information.

In the periodic report pattern 2-0 comprising the selection subband CSI of terminal equipment and 2-1, terminal equipment represents certain BP(BandwidthPart at the CQI of certain Serving cell that certain subframe reports, portions of bandwidth) certain specify channel quality on subband; If system bandwidth is represent the PRB(PhysicalResourceBlock that downlink system bandwidth comprises, Physical Resource Block) quantity, systems subbands size is k, and total number of sub-bands that system bandwidth comprises is if the subband size that frequency is the highest is bP quantity is J, and a BP comprises frequency continuous print N _jindividual subband, if J=1, if J>1, according to the value of k and J, Nj is or as shown in table 1, be system bandwidth with subband size k, system bandwidth and BP quantity J corresponding relation.

The relation of table 1, subband size k and BP quantity J and system bandwidth

As shown in Table 1, the sequence numbering that BP rises according to frequency, and frequency BP size is greatly constant from low to high; In periodic report pattern 2-0 and 2-1, the N of BP selected by terminal equipment _jone in individual subband, report a L-bit sub-band serial number, and scan each BP successively by frequency ascending order; Wherein, L-bit sub-band serial number is numbered according to frequency ascending order,

The concrete grammar of periodic report pattern 2-0 and 2-1 reporting terminal equipment choice subband CSI is:

(1) periodic report pattern 2-0 selects subband CQI to report in subframe at terminal equipment: a, terminal equipment are from the N of each BP J BP _jin individual subband, each BP for correspondence selects a subband.B, terminal equipment report a Class1 to report, and it comprises a CQI value and corresponding L-bit selects sub-band serial number; The transmission that this CQI value correspondence that terminal equipment reports only is carried out on the selection subband of certain BP; And terminal equipment reports the Class1 of each BP to report in turn on each continuous print in time signal machine, even if the RI>1 that terminal equipment reports, CQI report the channel quality also only representing first code word.C, for transmission mode 3, subband is selected and CQI value calculates based on the RI of the last periodic report; For other transmission modes, subband is selected and CQI value calculates based on the transmission of order 1.

(2) periodic report pattern 2-1 is in the subframe for other transmission mode reporting terminal equipment choice subbands CQI except the transmission mode 9 except configuration 8 CSI-RS ports: a, terminal equipment are from the N of each BP J BP _jin individual subband, each BP for correspondence selects a subband.B, terminal equipment are on each continuous print in time signal machine, and for each BP reports corresponding Class1 to report, it comprises CQI value and the corresponding L-bit selection sub-band serial number of code word 0, and the transmission that the CQI value of code word 0 correspondence is only carried out on the selection subband of certain BP; As RI>1, additionally report a 3-bit subband spatial differential CQl values, as code word 1 side-play amount.C, for transmission mode 4,8 and 9, subband select and CQI value based on the broadband P MI of the last periodic report and RI calculating; For other transmission modes, the transmission of the PMI reported based on the last time and order 1 calculates.

(3) periodic report pattern 2-1 is in the subframe of transmission mode 9 reporting terminal equipment choice subband CQI/ the 2nd PMI for configuration 8 CSI-RS ports: a, terminal equipment are from the N of each BP J BP _jin individual subband, each BP for correspondence selects a subband.B, terminal equipment are on each continuous print in time signal machine, and for each BP reports corresponding Class1 to report, it comprises CQI value and the corresponding L-bit selection sub-band serial number of code word 0; And the transmission that the CQI value of code word 0 correspondence is only carried out on the selection subband of certain BP; As RI>1, additionally report a 3-bit subband spatial differential CQl values, as code word 1 side-play amount; 2nd PMI of pre-coding matrix; 2nd PMI selects from codebook subset, and hypothesis is only uploaded defeated at the selection subband of corresponding BP.Subband the 2nd PMI selected by c, terminal equipment, calculates based on the last report cycle RI and broadband the one PMI; And subband is selected and CQI value, the RI based on the pre-coding matrix selected and the last periodic report calculates.

It should be noted that if the PMI that reports of the last time based on RI hypothesis different with the RI of the last periodic report, or the PMI not having the last time to report, then the 2nd PMI calculating based on condition do not limit.In addition, the non-periodic channel information reporting based on PUSCH comprises and reports pattern 1-2, reports pattern 2-2, report mode 3-0 and report mode 3-1, and reports aperiodic the concrete grammar of pattern 2-0 and 2-1 reporting terminal equipment choice subband CSI to be:

(1) report aperiodic pattern 2-0:a, terminal equipment in sets of subbands S, select M size to be the subband of k, the corresponding relation of M and k and system bandwidth is as shown in table 2.B, terminal equipment report a CQI value, and this CQI value is corresponding only to be transmitted on M the subband selected, even if RI>1, this CQI value also only represents the channel quality of first code word.C, terminal equipment report a broadband CQI value, and this CQI value hypothesis is transmitted on sets of subbands S, even if RI>1, broadband CQI also only represents the channel quality of first code word.D, for transmission mode 3, CQI value is reported to calculate based on the RI that reports.For other transmission modes, calculate based on order 1.

Table 2. reports the relation of middle subband size k and number of sub-bands M and system descending bandwidth aperiodic

(2) report pattern 2-2:a aperiodic, subband that terminal equipment Combination selection M size is k and select the single pre-coding matrix of the transmission on subband for this M; M subband is selected from sets of subbands S, and single pre-coding matrix is selected to select the codebook subset of subband from M.B, terminal equipment are that each code word reports a CQI, and this CQI correspondence is only selected to transmit in subband at M, each subband in M subband uses the single pre-coding matrix of identical selection.C, except configuring the transmission mode 9 of 8 CSI-RS ports, terminal equipment reports as M the single pre-coding matrix selecting subband selected, and terminal equipment is sets of subbands S reports selected single pre-coding matrix.D, transmission mode 9 to configuration 8 CSI-RS ports, terminal equipment is that sets of subbands S reports the first pre-coding matrix instruction, and terminal equipment is sets of subbands S reports the second pre-coding matrix instruction, for M is selected subband to report the second pre-coding matrix to indicate.E, single pre-coding matrix are selected from codebook subset, suppose to transmit on subband subset S.F, terminal equipment report the broadband CQI value of every code word, and CQI value calculates based on the transmission hypothesis on sets of subbands S and the single pre-coding matrix on all subbands.G, for transmission mode 4,8 and 9, PMI and CQI is reported to calculate based on reporting RI; For other transmission modes, calculate based on order 1.

(3) select subband feedback model for all terminal equipments, terminal equipment reports one to combine sequence number r, is used to indicate the position that M is selected subband wherein gather (1≤s _i≤ N, s _i< s _i+1) comprise M the sub-band serial number sorted, for the binomial coefficient of expansion, $r\&Element;\{0,\&CenterDot;\&CenterDot;\&CenterDot;,\left(\begin{array}{c}N\\ M\end{array}\right)-1\}.$

(4) the CQI relative broadband CQI differential coding of each code word of subband is selected for M.

In existing cooperative multipoint transmission, according to conditions such as the transmission standard of network or the transmission plans of support, when the terminal equipment of multiple transfer point selects subband to report, identical subband may be needed to select.Such as, JT and CS/CB transmits, and network needs the CQI calculating CoMP according to the feedback information on certain subband of transfer point each in the measuring assembly of terminal equipment, carries out link circuit self-adapting; And select in subband in order to the terminal equipment realizing multiple transfer point, the CSI information of terminal equipment feedback same sub-band, needs to introduce dependence at the terminal equipment chooser interband of multiple channel condition information process.

Realizing in process of the present invention, inventor finds at least there is following problem in prior art:

The method of existing cycle and terminal equipment selection aperiodic subband, being for the transmission plan of single transfer point designs, not adopting any mechanism for ensureing that multiple transfer point selects identical subband.

Summary of the invention

The embodiment of the present invention provides a kind of terminal equipment to select reporting of subband feedback and defining method and equipment, to select to feed back based on identical subband.

For achieving the above object, the embodiment of the present invention provides a kind of terminal equipment to select the defining method of subband feedback, comprising:

Base station equipment is the one or more channel condition information process of terminal equipment configuration, and is that described terminal equipment configuration subband selects instruction;

Described subband selects instruction to send to described terminal equipment by described base station equipment;

Described base station equipment receives the feedback information that described terminal equipment reports, and determines that the feedback information of subband feedback selected by described terminal equipment.

The embodiment of the present invention provides a kind of terminal equipment to select the report method of subband feedback, comprising:

Terminal equipment receives the subband selection instruction that base station equipment is described terminal equipment configuration;

Described terminal equipment utilizes described subband to select instruction to carry out subband selection;

Described terminal equipment utilizes the subband uploading feedback information selected.

The embodiment of the present invention provides a kind of base station equipment, comprising:

Configuration module for being the one or more channel condition information process of terminal equipment configuration, and is that described terminal equipment configuration subband selects instruction;

Sending module, for selecting instruction to send to described terminal equipment described subband;

Receiver module, for receiving the feedback information that described terminal equipment reports;

Determination module, for determining that the feedback information of subband feedback selected by described terminal equipment.

The embodiment of the present invention provides a kind of terminal equipment, comprising:

Receiver module, for receiving the subband selection instruction that base station equipment is described terminal equipment configuration;

Selecting module, selecting instruction to carry out subband selection for utilizing described subband;

Sending module, for utilizing the subband uploading feedback information of selection.

Compared with prior art, the embodiment of the present invention at least has the following advantages:

In the embodiment of the present invention, by configuring the subband selective dependency relation of multiple channel condition information process, realizing multiple channel condition information process with unlike signal hypothesis and/or disturbance hypothesis and selecting to feed back based on identical subband.

Accompanying drawing explanation

In order to be illustrated more clearly in technical scheme of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is that reporting and defining method schematic flow sheet of subband feedback selected by a kind of terminal equipment that the embodiment of the present invention one provides;

Fig. 2 is the structural representation of a kind of base station equipment that the embodiment of the present invention four provides

Fig. 3 is the structural representation of a kind of terminal equipment that the embodiment of the present invention five provides.

Embodiment

Below in conjunction with the accompanying drawing in the present invention, be clearly and completely described the technical scheme in the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

Embodiment one

The embodiment of the present invention one provides a kind of terminal equipment based on coordinated multipoint transmission to select report (process for terminal equipment) and the terminal equipment of subband feedback to select determination (process for the base station equipment) method of subband feedback, as shown in Figure 1, the method comprises the following steps:

Step 101, base station equipment is the one or more channel condition information process of terminal equipment configuration, and is terminal equipment configuration subband selection instruction.

In the embodiment of the present invention, base station equipment needs for the one or more channel condition information process of terminal equipment configuration, and base station equipment is except each channel condition information process configuration of correspondence 1 reports pattern (i.e. reporting source of channel state information pattern), also need for this terminal equipment configuration subband selects instruction; Wherein, downlink reference signal resource (as a NZPCSI-RS) resource in the corresponding CoMP measuring assembly of each channel condition information process) and an interference hypothesis.

It should be noted that, for channel condition information process, to should having process call number or reporting mode index number, for process call number, then: base station equipment needs for configuring to the unique process call number of each channel condition information course allocation one of terminal equipment, and the span of this process call number is [0, N-1]; Wherein N represents the maximum channel state information process number allowing configuration; And configuration only configures unique process call number to each channel condition information process of a terminal equipment, this process call number is different from configuration to other process call number of channel condition information process any of this terminal equipment.

In the embodiment of the present invention, subband selects the configuration mode of instruction to include but not limited to: select the subband of grouping to select instruction based on subband; Or, select the subband of reference to select instruction based on subband.

(1) subband of grouping is selected to select instruction to include but not limited to based on subband:

Base station equipment is that terminal equipment configuration P subband selects bitmap; The quantity P of the subband selection bitmap of this configuration is the subband selection number of packet of terminal equipment, and this subband selects the quantity P of bitmap to be that base station equipment and terminal equipment are arranged in advance, or informs terminal equipment by base station equipment by high-level signaling.And, base station equipment is the effective instruction in any one bitmap of terminal equipment configuration, one group of channel condition information process in the channel condition information process of this effective corresponding N number of configuration of process index of instruction N number of (or from high to low) from low to high that be used to indicate configuration, and this this group channel condition information process effectively indicated by instruction is when subband selected by terminal equipment, selects adopting identical subband.

(2) subband of reference is selected to select instruction to include but not limited to based on subband:

Base station equipment is that the channel condition information process configuration subband of each configuration is selected with reference to process, and this subband select with reference to process be used to indicate current channel condition information process carry out terminal equipment select subband time, select to feed back according to the subband of which channel condition information process.Wherein, base station equipment can utilize the mode of direct notification reference process index to configure subband and select reference process; And if base station equipment to be the reference process index of certain channel condition information process configuration identical with the index of this channel condition information process, then terminal equipment should be judged as base station equipment for this channel condition information process configuration subband is selected with reference to process; If base station equipment is that the reference process index of certain channel condition information process configuration is different with the index of this channel condition information process, then terminal equipment should be judged as that base station equipment is that this channel condition information process configuration subband is selected with reference to process.

Step 102, subband selects instruction to send to terminal equipment by base station equipment.

In a kind of preferred implementation of the embodiment of the present invention, base station equipment can also report instruction for terminal equipment configuration sub-band serial number, and reports instruction to send to terminal equipment this sub-band serial number.

Wherein, base station equipment is that terminal equipment configuration sub-band serial number reports instruction, includes but not limited to:

Base station equipment is each channel condition information process configuration indication information (as 1bit indication information) of terminal equipment, and this indication information be used to indicate this channel condition information process terminal equipment select subband report in pattern, whether report sub-band serial number or subband combination sequence number.Or,

Base station equipment is that each subband of terminal equipment selects packet configuration sub-band serial number or subband combination sequence number to report indication information (as 1bit sub-band serial number or subband combination sequence number report indication information), and this indication information be used to indicate this subband select in grouping all be configured with that terminal equipment selects subband to report the channel condition information process of pattern corresponding report pattern, whether only feed back a common sub-band serial number or subband combination sequence number.

It should be noted that common sub-band serial number or subband combination sequence number report position, what in the bitmap can arranged in advance in base station equipment and terminal equipment, the channel condition information process of certain effective cue mark was corresponding reports in pattern; Such as, common sub-band serial number or subband combination sequence number, select corresponding the reporting in pattern of channel condition information process of first effective cue mark of bitmap to report at subband.In addition, common sub-band serial number or subband combination sequence number report position, also can be selected be configured while bitmap at configuration subband by base station equipment.

Step 103, the subband that terminal equipment receives from base station equipment selects instruction, and utilizes this subband to select instruction to carry out subband selection, and utilizes the subband uploading feedback information selected.

In the embodiment of the present invention, terminal equipment obtains subband by the configuration signal receiving base station equipment and selects instruction, and selects instruction to carry out subband selection according to this subband, then can measure feedback information; Further, terminal equipment utilizes this subband to select instruction to carry out subband and selects to include but not limited to: when base station equipment be a channel condition information process configuration report pattern be terminal equipment select subband report pattern time, this terminal equipment utilizes subband to select to be designated as this channel condition information process selection subband.

The subband of grouping is selected to select instruction for above-mentioned based on subband, or, select the subband of reference to select instruction based on subband, then:

(1) when subband selects the configuration mode of instruction to be the subband selection instruction selecting grouping based on subband, terminal equipment utilizes subband to select instruction to carry out subband and selects to include but not limited to:

A, terminal equipment search base station equipment are that P subband of terminal equipment configuration selects bitmap, and the effective instruction in any one bitmap of bitmap is selected by reading P subband, obtain all channel condition information processes in subband selection grouping corresponding to this bitmap; Wherein, the quantity P of subband selection bitmap is the subband selection number of packet of terminal equipment, and subband selects the quantity P of bitmap to be that base station equipment and terminal equipment are arranged in advance or inform terminal equipment by base station equipment by high-level signaling.

It should be noted that if certain subband of reading of this terminal equipment select in bitmap without any effective instruction, then this terminal equipment judges that the subband that this bitmap is corresponding is selected, in grouping, not configure any one channel condition information process.

B, terminal equipment are that each subband is selected to be configured with terminal equipment in grouping and selected the subband subband that reports the channel condition information process selection of pattern to report.Wherein, terminal equipment is that each subband is selected to be configured with terminal equipment in grouping and selected the subband subband that reports the channel condition information process selection of pattern to report, include but not limited to: in non-periodic feedback process, terminal equipment adopts associating subband selection mode to be the subband that each subband is selected to be configured with in grouping terminal equipment selection subband and reported the channel condition information process selection of pattern to report; Or adopting with reference to subband selection mode is the subband that each subband is selected to be configured with in grouping terminal equipment and selected subband to report the channel condition information process selection of pattern to report; Or in periodic feedback process, it is the subband that each subband is selected to be configured with in grouping terminal equipment and selected subband to report the channel condition information process selection of pattern to report that terminal equipment adopts with reference to subband selection mode.

B1, terminal equipment adopt associating subband selection mode to be the subband that each subband is selected to be configured with in grouping terminal equipment selection subband and reported the channel condition information process selection of pattern to report, and comprising:

Terminal equipment is selected in grouping according to a subband, is configured with terminal equipment and selects subband to report channel and/or the interference measurement results Combination selection subband of the impaction of partial channel state information process of pattern; Wherein, this impaction of partial channel state information process is that current being triggered by base station equipment reports and be configured with the part or all of channel condition information process that terminal equipment selection subband reports pattern aperiodic; And this subband that this terminal equipment is selected will be used in this subband selection grouping, the current aperiodic being triggered the channel condition information process reported aperiodic by base station equipment will report.

It should be noted that the process that associating subband is selected can based on certain principle; Such as, the principle that each channel condition information process average transmission rate is maximum, or, the principle etc. that each channel condition information process average channel gain is maximum.

It is the subband that each subband is selected to be configured with in grouping terminal equipment and selected subband to report the channel condition information process selection of pattern to report that B2, terminal equipment adopt with reference to subband selection mode, comprising:

In non-periodic feedback process, a subband is selected one in grouping to be configured with terminal equipment selection subband and is reported pattern and the current channel condition information process being triggered non-periodic feedback by base station equipment by terminal equipment, as the reference channel state information process that subband is selected, and be this reference channel state information process selection subband according to the channel of reference channel state information process and/or interference measurement results; And select in grouping at this subband, terminal equipment be other be configured with terminal equipment select subband report pattern and the current channel condition information process being triggered non-periodic feedback by base station equipment, select the subband identical with this reference channel state information process, carry out this non-periodic feedback;

In periodic feedback process, in a subband selection grouping one is configured with terminal equipment and selects subband to report the channel condition information process of pattern by terminal equipment, as the reference channel state information process that subband is selected, and be this reference channel state information process selection subband according to the channel of reference channel state information process and/or interference measurement results; Select in grouping at this subband, terminal equipment is that other is configured with terminal equipment and selects subband to report the channel condition information process of pattern in periodic feedback, the subband that the sub-band serial number selecting this reference channel state information process the last time to report is corresponding; Wherein, this reference channel state information process is that base station equipment is indicated to terminal equipment, or the subband of base station equipment and terminal equipment agreement is selected to need the channel condition information process reporting sub-band serial number in grouping.

(2) select the configuration mode of instruction to be when selecting the subband of reference to select to indicate based on subband at subband, terminal equipment utilizes subband to select instruction to carry out subband and selects to include but not limited to:

Terminal equipment reads any one and is configured with the subband selection reference process that terminal equipment selection subband reports the channel condition information process of pattern; Select with reference to process if base station equipment is not this channel condition information process configuration subband, then terminal equipment is according to the channel of channel condition information process and/or interference measurement results, is this channel condition information process selection subband separately; Select with reference to process if base station equipment is this channel condition information process configuration subband, then in non-periodic feedback process, in this non-periodic feedback process that terminal equipment triggers in base station equipment this channel condition information process, its subband is selected to select the subband selected in this non-periodic feedback with reference to process; In periodic feedback process, terminal equipment is selected with reference to subband corresponding to the last sub-band serial number reported of process this its subband of channel condition information process selection.

It should be noted that, if base station equipment is that the reference process index of channel condition information process configuration is identical with the index of this channel condition information process, then terminal equipment determination base station equipment is not that this channel condition information process configuration subband is selected with reference to process; If base station equipment is that the reference process index of channel condition information process configuration is different with the index of this channel condition information process, then terminal equipment determination base station equipment is that this channel condition information process configuration subband is selected with reference to process.

In a kind of preferred implementation of the embodiment of the present invention, when base station equipment is that terminal equipment configuration sub-band serial number reports instruction, and when this sub-band serial number being reported instruction to send to terminal equipment, then: it is that the sub-band serial number of terminal equipment configuration reports instruction that this terminal equipment can also receive base station equipment, and utilize the subband selected and this sub-band serial number to report instruction uploading feedback information.

Terminal equipment utilizes the subband selected and sub-band serial number to report instruction uploading feedback information to include but not limited to: terminal equipment selects the sub-band serial number of grouping or each channel condition information process to report instruction (what namely sub-band serial number or subband combined sequence number reports indication information) according to each subband, selecting subband to report the channel condition information process of pattern for being configured with terminal equipment, determining whether to report sub-band serial number or subband combination sequence number; If terminal equipment judges that a channel condition information process needs to report sub-band serial number or subband combination sequence number, then comprise sub-band serial number or subband combination sequence number in corresponding the reporting in pattern of this channel condition information process; And, select subband to report the channel condition information process configuration of pattern sub-band serial number feedback if be configured with terminal equipment, terminal equipment is the feedback information comprising channel quality indicator (CQI) and/or pre-coding matrix instruction PMI and/or order instruction RI on subband corresponding to the sub-band serial number that reports of channel condition information process reporting status information of channel process the last time; Subband is selected to report the channel condition information process of pattern not configure sub-band serial number feedback if be configured with terminal equipment, and subband selects the configuration mode of instruction to be when selecting the subband of grouping to select instruction based on subband, terminal equipment be channel condition information process report on subband corresponding to the last sub-band serial number reported of other channel condition information processes selecting with channel condition information process same subband to divide into groups comprise channel quality indicator (CQI) and/or pre-coding matrix indicates PMI and/or order to indicate the feedback information of RI; Subband is selected to report the channel condition information process of pattern not configure sub-band serial number feedback if be configured with terminal equipment, and subband selects the configuration mode of instruction to be when selecting the subband of reference to select instruction based on subband, terminal equipment is that the subband of channel condition information process reporting status information of channel process is selected with reference to the feedback information comprising channel quality indicator (CQI) and/or pre-coding matrix instruction PMI and/or order instruction RI on subband corresponding to the sub-band serial number that reports of process the last time.

Step 104, the feedback information that base station equipment receiving terminal apparatus reports, and determine that the feedback information of subband feedback selected by terminal equipment.

The feedback information that base station equipment receiving terminal apparatus reports, and determine that the feedback information of subband feedback selected by terminal equipment, comprising: one of base station equipment receiving terminal apparatus is configured with terminal equipment and selects subband to report the subband feedback information of the channel condition information process of pattern; If channel condition information process configuration sub-band serial number feedback, then the channel condition information process of base station equipment determination terminal equipment reports subband feedback information is the subband feedback information of subband corresponding to the sub-band serial number that reports channel condition information process the last time; If channel condition information process does not configure sub-band serial number feedback, and the configuration mode of subband selection instruction is when selecting the subband of grouping to select to indicate based on subband, base station equipment reads the last sub-band serial number reported of other channel condition information processes selecting divide into groups with channel condition information process same subband, and determines that subband feedback information that the channel condition information process of terminal equipment reports is the subband feedback information of subband corresponding to the sub-band serial number of reading; If channel condition information process does not configure sub-band serial number feedback, and subband selects the configuration mode of instruction to be when selecting the subband of reference to select to indicate based on subband, the subband that base station equipment reads channel condition information process selects the sub-band serial number reported with reference to process the last time, and determines that subband feedback information that the channel condition information process of terminal equipment reports is the subband feedback information of subband corresponding to the sub-band serial number that reads.

In sum, in the embodiment of the present invention, by configuring the subband selective dependency relation of multiple channel condition information process, realize multiple channel condition information process with unlike signal hypothesis and/or disturbance hypothesis to select to feed back based on identical subband, then ensure that multiple transfer point selects identical subband.

Embodiment two

The embodiment of the present invention two provides a kind of terminal equipment based on coordinated multipoint transmission to select reporting and defining method of subband feedback, suppose in the measuring assembly of terminal equipment, have 3 transfer point TP1, TP2, TP3, base station equipment is the index of terminal equipment configuration channel condition information process and each channel condition information process, the downlink reference signal resource of signal and interferometry, report pattern, subband to select the information such as grouping bitmap, as shown in table 3.

The channel condition information process configuration 1 of table 3, terminal equipment

Base station equipment is that terminal equipment configuration 1 subband selects grouping, this subband of configuration selects the bitmap of grouping to be 0111, lowest order respective channels state information process 1 in this bitmap, highest order respective channels state information process 4,1 in bitmap represents that corresponding channel condition information process is selected in grouping at this subband; Base station equipment is selected packet configuration 1bit subband to combine sequence number for this subband and is reported indication information, this subband is indicated to select in grouping, what the channel condition information process selected of the identical subband of all employings was corresponding reports pattern, only feeds back a common subband combination sequence number; And base station equipment is arranged with terminal equipment: subband combines sequence number 1 corresponding reporting in pattern of channel condition information process of lowest order in bitmap and reports.

Terminal equipment receives the configuration of base station equipment, reads the bitmap 0111 that subband selects grouping, judges to be configured with to report aperiodic the channel condition information process 1,2,3 of pattern 2-2 to select identical subband; Subband combination sequence number according to base station equipment and terminal equipment agreement reports position, judges to report in pattern in channel condition information process 1 correspondence, reports subband to combine sequence number.

Suppose that the aperiodic that base station equipment triggers channel condition information process 1,2,3,4 simultaneously reports, then terminal equipment is selected to judge according to subband before, for channel condition information process 1,2,3 Combination selection subband, for channel condition information process 1,2,3,4 reports non-periodic feedback.Wherein, the non-periodic feedback of channel condition information process 1 comprise subband combination sequence number report; In reporting aperiodic of channel condition information process 2 and 3, subband is not reported to combine sequence number.

Embodiment three

The embodiment of the present invention three provides a kind of terminal equipment based on coordinated multipoint transmission to select reporting and defining method of subband feedback, suppose in the measuring assembly of terminal equipment, have 3 transfer point TP1, TP2, TP3, base station equipment is the index of terminal equipment configuration channel condition information process and each channel condition information process, the downlink reference signal resource of signal and interferometry, report pattern, subband to select the information such as grouping bitmap, as shown in table 4.

The channel condition information process configuration 2 of table 4, terminal equipment

Base station equipment is that the subband that the channel condition information process 1 of terminal equipment configures selects reference process to be channel condition information process 1, select to be channel condition information process 1, to select reference process to be channel condition information process 4 for channel condition information process 4 configures subband with reference to process for channel condition information process 2,3 configures subband; Base station equipment is that configuration reports instruction to the sub-band serial number of each channel condition information process configuration of terminal equipment simultaneously, and 1 expression needs to report sub-band serial number, and 0 expression does not need to report sub-band serial number.

Terminal equipment receives the configuration of base station equipment, the subband reading the channel condition information process of each configuration is selected with reference to process configuration, judge that the subband being configured with the channel condition information process 1 of periodic report pattern 2-1 is selected with reference to process configuration identical with the call number of this channel condition information process, therefore channel condition information process 1 independently selects subband, and the sub-band serial number of channel condition information process 1 reports and is designated as 1, need to feed back sub-band serial number in periodic report; It is all channel condition information process 1 that the subband being configured with periodic report channel condition information process 2 and 3 is selected with reference to process, and the sub-band serial number of periodic report channel condition information process 2 and 3 reports and is designated as 0, does not need to feed back sub-band serial number in periodic report.

Further, terminal equipment is that channel condition information process 1 selects subband, carries out periodic report, comprises sub-band serial number feedback in periodic report; Channel condition information process 2 and 3, the subband that employing and channel condition information process 1 the last time report, and do not comprise sub-band serial number in the periodic report of channel condition information process 2 and 3.

Embodiment four

Based on the inventive concept same with said method, additionally provide a kind of base station equipment in the embodiment of the present invention, as shown in Figure 2, this base station equipment comprises:

Configuration module 11 for being the one or more channel condition information process of terminal equipment configuration, and is that described terminal equipment configuration subband selects instruction;

Sending module 12, for selecting instruction to send to described terminal equipment described subband;

Receiver module 13, for receiving the feedback information that described terminal equipment reports;

Determination module 14, for determining that the feedback information of subband feedback selected by described terminal equipment.

Described configuration module 11, be further used for as configuring to the unique process call number of each channel condition information course allocation one of described terminal equipment, and the span of described process call number is [0, N-1]; Wherein, described N represents the maximum channel state information process number allowing configuration.

Described subband selects the configuration mode of instruction, comprising: select the subband of grouping to select instruction based on subband; Or, select the subband of reference to select instruction based on subband.

The subband of grouping is selected to select instruction for described based on subband; Described configuration module 11, be further used for as described terminal equipment configuration P subband selects bitmap, the quantity P of described subband selection bitmap is the subband selection number of packet of described terminal equipment, and described subband selects the quantity P of bitmap to be that described base station equipment and described terminal equipment are arranged in advance or inform described terminal equipment by described base station equipment by high-level signaling; And, for the effective instruction in any one bitmap of described terminal equipment configuration, described effective instruction is used to indicate one group of channel condition information process in the channel condition information process of the corresponding N number of configuration of N number of process index from low to high of configuration, and this group channel condition information process indicated by described effective instruction is when subband selected by terminal equipment, selects adopting identical subband.

Instruction is selected for selecting the subband of reference based on subband; Described configuration module 11, be further used for as the channel condition information process configuration subband of each configuration is selected with reference to process, and described subband select with reference to process be used to indicate current channel condition information process carry out terminal equipment select subband time, select to feed back according to the subband of which channel condition information process.

Described configuration module 11, also for reporting instruction for described terminal equipment configuration sub-band serial number;

Described sending module 12, also for reporting instruction to send to described terminal equipment described sub-band serial number.

Described configuration module 11, be further used for each channel condition information process configuration indication information for described terminal equipment, and described indication information is used to indicate this channel condition information process selects subband to report in pattern at described terminal equipment, whether report sub-band serial number or subband combination sequence number; Or, each subband for described terminal equipment selects packet configuration sub-band serial number or subband combination sequence number to report indication information, and described indication information be used to indicate this subband select in grouping all be configured with that terminal equipment selects subband to report the channel condition information process of pattern corresponding report pattern, whether only feed back a common sub-band serial number or subband combination sequence number.

Described receiver module 13, one specifically for receiving described terminal equipment is configured with described terminal equipment and selects subband to report the subband feedback information of the channel condition information process of pattern;

Described determination module 14, if the sub-band serial number feedback specifically for described channel condition information process configuration, then determine that described subband feedback information that the described channel condition information process of described terminal equipment reports is the subband feedback information of subband corresponding to the sub-band serial number that reports described channel condition information process the last time;

If described channel condition information process does not configure sub-band serial number feedback, and the configuration mode of described subband selection instruction is when selecting the subband of grouping to select to indicate based on subband, read the last sub-band serial number reported of other channel condition information processes selecting to divide into groups with described channel condition information process same subband, and determine that described subband feedback information that the described channel condition information process of described terminal equipment reports is the subband feedback information of subband corresponding to the sub-band serial number of described reading;

If described channel condition information process does not configure sub-band serial number feedback, and described subband selects the configuration mode of instruction to be when selecting the subband of reference to select to indicate based on subband, the subband reading described channel condition information process is selected with reference to the sub-band serial number that reports of process the last time, and determines that described subband feedback information that the described channel condition information process of described terminal equipment reports is the subband feedback information of subband corresponding to the sub-band serial number of described reading.

Wherein, the modules of apparatus of the present invention can be integrated in one, and also can be separated deployment.Above-mentioned module can merge into a module, also can split into multiple submodule further.

Embodiment five

Based on the inventive concept same with said method, additionally provide a kind of terminal equipment in the embodiment of the present invention, as shown in Figure 3, this terminal equipment comprises:

Receiver module 21, for receiving the subband selection instruction that base station equipment is described terminal equipment configuration;

Selecting module 22, selecting instruction to carry out subband selection for utilizing described subband;

Sending module 23, for utilizing the subband uploading feedback information of selection.

Described selection module 22, specifically for when described base station equipment be a channel condition information process configuration report pattern be described terminal equipment select subband report pattern time, utilize described subband to select to be designated as described channel condition information process selection subband.

When described subband selects the configuration mode of instruction to be the subband selection instruction selecting grouping based on subband; Described selection module 22, be further used for searching for P the subband selection bitmap that described base station equipment is described terminal equipment configuration, and the effective instruction in any one bitmap of bitmap is selected by reading described P subband, obtain all channel condition information processes in subband selection grouping corresponding to this bitmap; Wherein, the quantity P of described subband selection bitmap is the subband selection number of packet of described terminal equipment, and described subband selects the quantity P of bitmap to be that described base station equipment and described terminal equipment are arranged in advance or inform described terminal equipment by described base station equipment by high-level signaling; And, for being configured with the subband that terminal equipment selects subband to report the channel condition information process selection of pattern to report in each subband selection grouping.

Described selection module 22, is further used in non-periodic feedback process, adopts associating subband selection mode to be the subband that each subband is selected to be configured with in grouping terminal equipment selection subband and reported the channel condition information process selection of pattern to report; Or adopting with reference to subband selection mode is the subband that each subband is selected to be configured with in grouping terminal equipment and selected subband to report the channel condition information process selection of pattern to report; Or in periodic feedback process, adopting with reference to subband selection mode is the subband that each subband is selected to be configured with in grouping terminal equipment and selected subband to report the channel condition information process selection of pattern to report.

Described selection module 22, is further used for selecting in grouping according to a subband, is configured with terminal equipment and selects subband to report channel and/or the interference measurement results Combination selection subband of the impaction of partial channel state information process of pattern; Wherein, this impaction of partial channel state information process is that current being triggered by described base station equipment reports and be configured with the part or all of channel condition information process that terminal equipment selection subband reports pattern aperiodic; This subband that described terminal equipment is selected is selected in grouping for this subband, and reports the current aperiodic being triggered the channel condition information process reported aperiodic by described base station equipment.

Described selection module 22, be further used in non-periodic feedback process, being selected by a subband one in grouping to be configured with described terminal equipment selects subband to report pattern and the current channel condition information process being triggered non-periodic feedback by described base station equipment, as the reference channel state information process that subband is selected, and be this reference channel state information process selection subband according to the channel of described reference channel state information process and/or interference measurement results; And select in grouping at this subband, subband is selected to report pattern and the current channel condition information process being triggered non-periodic feedback by described base station equipment for other is configured with described terminal equipment, select the subband identical with this reference channel state information process, carry out this non-periodic feedback;

In periodic feedback process, being selected by a subband one in grouping to be configured with described terminal equipment selects subband to report the channel condition information process of pattern, as the reference channel state information process that subband is selected, and be this reference channel state information process selection subband according to the channel of described reference channel state information process and/or interference measurement results; And select in grouping at this subband, select subband to report the channel condition information process of pattern for other is configured with described terminal equipment, the subband that the sub-band serial number selecting this reference channel state information process the last time to report is corresponding; Wherein, this reference channel state information process is that described base station equipment is indicated to described terminal equipment, or the subband of described base station equipment and described terminal equipment agreement is selected to need the channel condition information process reporting sub-band serial number in grouping.

The configuration mode of instruction is selected to be when selecting the subband of reference to select to indicate based on subband at described subband; Described selection module 22, is further used for reading any one and is configured with the subband selection reference process that described terminal equipment selection subband reports the channel condition information process of pattern; Selecting with reference to process if described base station equipment is not this channel condition information process configuration subband, then according to channel and/or the interference measurement results of described channel condition information process, is this channel condition information process selection subband separately; Wherein, if to be the reference process index of channel condition information process configuration identical with the index of this channel condition information process for described base station equipment, then described base station equipment is not that this channel condition information process configuration subband is selected with reference to process; If described base station equipment is that the reference process index of channel condition information process configuration is different with the index of this channel condition information process, then described base station equipment is that this channel condition information process configuration subband is selected with reference to process; Select with reference to process if described base station equipment is this channel condition information process configuration subband, then in non-periodic feedback process, in this non-periodic feedback process triggered in described base station equipment this channel condition information process, its subband is selected to select the subband selected in this non-periodic feedback with reference to process; Or in periodic feedback process, this its subband of channel condition information process selection is selected with reference to subband corresponding to the last sub-band serial number reported of process.

Described receiver module 21 is also that the sub-band serial number of described terminal equipment configuration reports instruction for receiving described base station equipment;

Described sending module 23, reports instruction uploading feedback information specifically for the subband and described sub-band serial number utilizing selection.

Described sending module 23, specifically for selecting the sub-band serial number of grouping or each channel condition information process to report instruction according to each subband, selecting subband to report the channel condition information process of pattern for being configured with described terminal equipment, determining whether to report sub-band serial number or subband combination sequence number; If it is determined that a channel condition information process needs to report sub-band serial number or subband combination sequence number, then comprise sub-band serial number or subband combination sequence number in corresponding the reporting in pattern of this channel condition information process; And, if described in be configured with described terminal equipment and select subband to report the channel condition information process configuration of pattern sub-band serial number feedback, for described channel condition information process reports the feedback information comprising channel quality indicator (CQI) and/or pre-coding matrix instruction PMI and/or order instruction RI on subband corresponding to the sub-band serial number that reports of described channel condition information process the last time; If described in be configured with described terminal equipment select subband report the channel condition information process of pattern do not configure sub-band serial number feedback, and described subband selects the configuration mode of instruction to be when selecting the subband of grouping to select instruction based on subband, on the subband that described channel condition information process reports the last sub-band serial number reported of other channel condition information processes that to select with described channel condition information process same subband to divide into groups corresponding comprise channel quality indicator (CQI) and/or pre-coding matrix indicates PMI and/or order to indicate the feedback information of RI; If described in be configured with described terminal equipment select subband report the channel condition information process of pattern do not configure sub-band serial number feedback, and described subband selects the configuration mode of instruction to be when selecting the subband of reference to select instruction based on subband, it is the feedback information comprising channel quality indicator (CQI) and/or pre-coding matrix instruction PMI and/or order instruction RI on subband corresponding to sub-band serial number that described channel condition information process reports the subband of described channel condition information process to select to report with reference to process the last time.

Wherein, the modules of apparatus of the present invention can be integrated in one, and also can be separated deployment.Above-mentioned module can merge into a module, also can split into multiple submodule further.

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 (32)

1. a defining method for subband feedback selected by terminal equipment, it is characterized in that, comprising:

Base station equipment is the one or more channel condition information process of terminal equipment configuration, and is that described terminal equipment configuration subband selects instruction;

Described subband selects instruction to send to described terminal equipment by described base station equipment;

Described base station equipment receives the feedback information that described terminal equipment reports, and the feedback information of subband feedback selected by described terminal equipment to select instruction to determine according to described subband;

Wherein, described subband selects the configuration mode of instruction, comprising: select the subband of grouping to select instruction based on subband; Or, select the subband of reference to select instruction based on subband.

2. the method for claim 1, is characterized in that, described method comprises further:

Described base station equipment is configure to the unique process call number of each channel condition information course allocation one of described terminal equipment, and the span of described process call number is [0, N-1]; Wherein, described N represents the maximum channel state information process number allowing configuration.

3. the method for claim 1, is characterized in that, the described subband selection instruction selecting grouping based on subband, comprising:

Described base station equipment is that described terminal equipment configuration P subband selects bitmap, the quantity P of described subband selection bitmap is the subband selection number of packet of described terminal equipment, and described subband selects the quantity P of bitmap to be that described base station equipment and described terminal equipment are arranged in advance or inform described terminal equipment by described base station equipment by high-level signaling; And,

Described base station equipment is the effective instruction in any one bitmap of described terminal equipment configuration, described effective instruction is used to indicate one group of channel condition information process in the channel condition information process of the corresponding N number of configuration of N number of process index from low to high of configuration, and this group channel condition information process indicated by described effective instruction is when subband selected by terminal equipment, selects adopting identical subband.

4. the method for claim 1, is characterized in that, the described subband selection instruction selecting reference based on subband, comprising:

Described base station equipment is that the channel condition information process configuration subband of each configuration is selected with reference to process, and described subband select with reference to process be used to indicate current channel condition information process carry out terminal equipment select subband time, select to feed back according to the subband of which channel condition information process.

5. the method for claim 1, is characterized in that, described method comprises further:

Described base station equipment is that described terminal equipment configuration sub-band serial number reports instruction, and reports instruction to send to described terminal equipment described sub-band serial number.

6. method as claimed in claim 5, it is characterized in that, described base station equipment is that described terminal equipment configuration sub-band serial number reports instruction, comprising:

Described base station equipment is each channel condition information process configuration indication information of described terminal equipment, and described indication information is used to indicate this channel condition information process selects subband to report in pattern at described terminal equipment, whether report sub-band serial number or subband combination sequence number; Or,

Described base station equipment is that each subband of described terminal equipment selects packet configuration sub-band serial number or subband combination sequence number to report indication information, and described indication information be used to indicate this subband select in grouping all be configured with that terminal equipment selects subband to report the channel condition information process of pattern corresponding report pattern, whether only feed back a common sub-band serial number or subband combination sequence number.

7. the method for claim 1, is characterized in that, described base station equipment receives the feedback information that described terminal equipment reports, and determines that the feedback information of subband feedback selected by described terminal equipment, comprising:

Described base station equipment receives of described terminal equipment and is configured with described terminal equipment and selects subband to report the subband feedback information of the channel condition information process of pattern;

If described channel condition information process configuration sub-band serial number feedback, then described base station equipment determines that described subband feedback information that the described channel condition information process of described terminal equipment reports is the subband feedback information of subband corresponding to the sub-band serial number that reports described channel condition information process the last time;

If described channel condition information process does not configure sub-band serial number feedback, and the configuration mode of described subband selection instruction is when selecting the subband of grouping to select to indicate based on subband, described base station equipment reads the last sub-band serial number reported of other channel condition information processes selecting with described channel condition information process same subband to divide into groups, and determines that described subband feedback information that the described channel condition information process of described terminal equipment reports is the subband feedback information of subband corresponding to the sub-band serial number of described reading;

If described channel condition information process does not configure sub-band serial number feedback, and described subband selects the configuration mode of instruction to be when selecting the subband of reference to select to indicate based on subband, the subband that described base station equipment reads described channel condition information process is selected with reference to the sub-band serial number that reports of process the last time, and determines that described subband feedback information that the described channel condition information process of described terminal equipment reports is the subband feedback information of subband corresponding to the sub-band serial number of described reading.

8. a report method for subband feedback selected by terminal equipment, it is characterized in that, comprising:

Terminal equipment receives one or more channel condition information processes that base station equipment is described terminal equipment configuration, and subband selects instruction;

Described terminal equipment utilizes described subband to select instruction to carry out subband selection;

Described terminal equipment utilizes the subband selected to select instruction uploading feedback information according to described subband;

Wherein, described subband selects the configuration mode of instruction, comprising: select the subband of grouping to select instruction based on subband; Or, select the subband of reference to select instruction based on subband.

9. method as claimed in claim 8, is characterized in that, described terminal equipment utilizes described subband to select instruction to carry out subband selection, comprising:

When described base station equipment be a channel condition information process configuration report pattern be described terminal equipment select subband report pattern time, described terminal equipment utilizes described subband to select to be designated as described channel condition information process selection subband.

10. method as claimed in claim 8 or 9, is characterized in that, when described subband selects the configuration mode of instruction to be the subband selection instruction selecting grouping based on subband, described terminal equipment utilizes described subband to select instruction to carry out subband selection, comprising:

P the subband selection bitmap that described base station equipment is described terminal equipment configuration searched for by described terminal equipment, and the effective instruction in any one bitmap of bitmap is selected by reading described P subband, obtain all channel condition information processes in subband selection grouping corresponding to this bitmap; Wherein, the quantity P of described subband selection bitmap is the subband selection number of packet of described terminal equipment, and described subband selects the quantity P of bitmap to be that described base station equipment and described terminal equipment are arranged in advance or inform described terminal equipment by described base station equipment by high-level signaling;

Described terminal equipment is that each subband is selected to be configured with terminal equipment in grouping and selected the subband subband that reports the channel condition information process selection of pattern to report.

11. methods as claimed in claim 10, is characterized in that, described terminal equipment is that each subband is selected to be configured with terminal equipment in grouping and selected the subband subband that reports the channel condition information process selection of pattern to report, comprising:

In non-periodic feedback process, described terminal equipment adopts associating subband selection mode to be the subband that each subband is selected to be configured with in grouping terminal equipment selection subband and reported the channel condition information process selection of pattern to report; Or adopting with reference to subband selection mode is the subband that each subband is selected to be configured with in grouping terminal equipment and selected subband to report the channel condition information process selection of pattern to report; Or in periodic feedback process, it is the subband that each subband is selected to be configured with in grouping terminal equipment and selected subband to report the channel condition information process selection of pattern to report that described terminal equipment adopts with reference to subband selection mode.

12. methods as claimed in claim 11, is characterized in that, described terminal equipment adopts associating subband selection mode to be the subband that each subband is selected to be configured with in grouping terminal equipment selection subband and reported the channel condition information process selection of pattern to report, and comprising:

Described terminal equipment is selected in grouping according to a subband, is configured with terminal equipment and selects subband to report channel and/or the interference measurement results Combination selection subband of the impaction of partial channel state information process of pattern; Wherein, this impaction of partial channel state information process is that current being triggered by described base station equipment reports and be configured with the part or all of channel condition information process that terminal equipment selection subband reports pattern aperiodic; This subband that described terminal equipment is selected is selected in grouping for this subband, and reports the current aperiodic being triggered the channel condition information process reported aperiodic by described base station equipment.

13. methods as claimed in claim 11, is characterized in that, it is the subband that each subband is selected to be configured with in grouping terminal equipment and selected subband to report the channel condition information process selection of pattern to report that described terminal equipment adopts with reference to subband selection mode, comprising:

In non-periodic feedback process, a subband is selected one in grouping to be configured with described terminal equipment selection subband and is reported pattern and the current channel condition information process being triggered non-periodic feedback by described base station equipment by described terminal equipment, as the reference channel state information process that subband is selected, be this reference channel state information process selection subband according to the channel of described reference channel state information process and/or interference measurement results; And select in grouping at this subband, described terminal equipment be other be configured with described terminal equipment select subband report pattern and the current channel condition information process being triggered non-periodic feedback by described base station equipment, select the subband identical with this reference channel state information process, carry out this non-periodic feedback;

In periodic feedback process, in a subband selection grouping one is configured with described terminal equipment and selects subband to report the channel condition information process of pattern by described terminal equipment, as the reference channel state information process that subband is selected, and be this reference channel state information process selection subband according to the channel of described reference channel state information process and/or interference measurement results; And select in grouping at this subband, described terminal equipment is that other is configured with the channel condition information process that described terminal equipment selection subband reports pattern, the subband that the sub-band serial number selecting this reference channel state information process the last time to report is corresponding; Wherein, this reference channel state information process is that described base station equipment is indicated to described terminal equipment, or the subband of described base station equipment and described terminal equipment agreement is selected to need the channel condition information process reporting sub-band serial number in grouping.

14. methods as claimed in claim 8 or 9, is characterized in that, select the configuration mode of instruction to be that when selecting the subband of reference to select to indicate based on subband, described terminal equipment utilizes described subband to select instruction to carry out subband selection, comprising at described subband:

Described terminal equipment reads any one and is configured with the subband selection reference process that described terminal equipment selection subband reports the channel condition information process of pattern;

Select with reference to process if described base station equipment is not this channel condition information process configuration subband, then described terminal equipment is according to the channel of described channel condition information process and/or interference measurement results, is this channel condition information process selection subband separately; Wherein, if described base station equipment is that the reference process index of channel condition information process configuration is identical with the index of this channel condition information process, then described terminal equipment determines described base station equipment not for this channel condition information process configuration subband is selected with reference to process; If described base station equipment is that the reference process index of channel condition information process configuration is different with the index of this channel condition information process, then described terminal equipment determines that described base station equipment is for the selection of this channel condition information process configuration subband is with reference to process;

Select with reference to process if described base station equipment is this channel condition information process configuration subband, then in non-periodic feedback process, in this non-periodic feedback process that described terminal equipment triggers in described base station equipment this channel condition information process, its subband is selected to select the subband selected in this non-periodic feedback with reference to process; Or in periodic feedback process, described terminal equipment is selected with reference to subband corresponding to the last sub-band serial number reported of process this its subband of channel condition information process selection.

15. methods as claimed in claim 8, is characterized in that, described terminal equipment utilizes the process of the subband uploading feedback information selected to comprise further:

It is that the sub-band serial number of described terminal equipment configuration reports instruction that described terminal equipment receives described base station equipment, and utilizes the subband selected and described sub-band serial number to report instruction uploading feedback information.

16. methods as claimed in claim 15, is characterized in that, described terminal equipment utilizes the subband of selection and described sub-band serial number to report instruction uploading feedback information, comprising:

Described terminal equipment selects the sub-band serial number of grouping or each channel condition information process to report instruction according to each subband, selecting subband to report the channel condition information process of pattern for being configured with described terminal equipment, determining whether to report sub-band serial number or subband combination sequence number; If described terminal equipment judges that a channel condition information process needs to report sub-band serial number or subband combination sequence number, then comprise sub-band serial number or subband combination sequence number in corresponding the reporting in pattern of this channel condition information process; And,

If described in be configured with described terminal equipment and select subband to report the channel condition information process configuration of pattern sub-band serial number feedback, described terminal equipment is the feedback information comprising channel quality indicator (CQI) and/or pre-coding matrix instruction PMI and/or order instruction RI that described channel condition information process reports on subband corresponding to the sub-band serial number that reports of described channel condition information process the last time;

If described in be configured with described terminal equipment select subband report the channel condition information process of pattern do not configure sub-band serial number feedback, and described subband selects the configuration mode of instruction to be when selecting the subband of grouping to select instruction based on subband, described terminal equipment be described channel condition information process report the last sub-band serial number reported of other channel condition information processes that to select with described channel condition information process same subband to divide into groups corresponding subband on comprise channel quality indicator (CQI) and/or pre-coding matrix indicates PMI and/or order to indicate the feedback information of RI;

If described in be configured with described terminal equipment select subband report the channel condition information process of pattern do not configure sub-band serial number feedback, and described subband selects the configuration mode of instruction to be when selecting the subband of reference to select instruction based on subband, described terminal equipment is the feedback information comprising channel quality indicator (CQI) and/or pre-coding matrix instruction PMI and/or order instruction RI on subband corresponding to sub-band serial number that described channel condition information process reports the subband of described channel condition information process to select to report with reference to process the last time.

17. 1 kinds of base station equipments, is characterized in that, comprising:

Configuration module for being the one or more channel condition information process of terminal equipment configuration, and is that described terminal equipment configuration subband selects instruction;

Sending module, for selecting instruction to send to described terminal equipment described subband;

Receiver module, for receiving the feedback information that described terminal equipment reports;

Determination module, for selecting instruction to determine according to described subband, the feedback information of subband feedback selected by described terminal equipment;

Wherein, described subband selects the configuration mode of instruction, comprising: select the subband of grouping to select instruction based on subband; Or, select the subband of reference to select instruction based on subband.

18. base station equipments as claimed in claim 17, is characterized in that,

Described configuration module, be further used for as configuring to the unique process call number of each channel condition information course allocation one of described terminal equipment, and the span of described process call number is [0, N-1]; Wherein, described N represents the maximum channel state information process number allowing configuration.

19. base station equipments as claimed in claim 17, is characterized in that, select the subband of grouping to select instruction for described based on subband;

Described configuration module, be further used for as described terminal equipment configuration P subband selects bitmap, the quantity P of described subband selection bitmap is the subband selection number of packet of described terminal equipment, and described subband selects the quantity P of bitmap to be that described base station equipment and described terminal equipment are arranged in advance or inform described terminal equipment by described base station equipment by high-level signaling; And,

For the effective instruction in any one bitmap of described terminal equipment configuration, described effective instruction is used to indicate one group of channel condition information process in the channel condition information process of the corresponding N number of configuration of N number of process index from low to high of configuration, and this group channel condition information process indicated by described effective instruction is when subband selected by terminal equipment, selects adopting identical subband.

20. base station equipments as claimed in claim 17, is characterized in that, select instruction for selecting the subband of reference based on subband;

Described configuration module, be further used for as the channel condition information process configuration subband of each configuration is selected with reference to process, and described subband select with reference to process be used to indicate current channel condition information process carry out terminal equipment select subband time, select to feed back according to the subband of which channel condition information process.

21. base station equipments as claimed in claim 17, is characterized in that,

Described configuration module, also for reporting instruction for described terminal equipment configuration sub-band serial number;

Described sending module, also for reporting instruction to send to described terminal equipment described sub-band serial number.

22. base station equipments as claimed in claim 21, is characterized in that,

Described configuration module, be further used for each channel condition information process configuration indication information for described terminal equipment, and described indication information is used to indicate this channel condition information process selects subband to report in pattern at described terminal equipment, whether report sub-band serial number or subband combination sequence number; Or,

Each subband for described terminal equipment selects packet configuration sub-band serial number or subband combination sequence number to report indication information, and described indication information be used to indicate this subband select in grouping all be configured with that terminal equipment selects subband to report the channel condition information process of pattern corresponding report pattern, whether only feed back a common sub-band serial number or subband combination sequence number.

23. base station equipments as claimed in claim 17, is characterized in that,

Described receiver module, one specifically for receiving described terminal equipment is configured with described terminal equipment and selects subband to report the subband feedback information of the channel condition information process of pattern;

Described determination module, if the sub-band serial number feedback specifically for described channel condition information process configuration, then determine that described subband feedback information that the described channel condition information process of described terminal equipment reports is the subband feedback information of subband corresponding to the sub-band serial number that reports described channel condition information process the last time;

If described channel condition information process does not configure sub-band serial number feedback, and the configuration mode of described subband selection instruction is when selecting the subband of grouping to select to indicate based on subband, read the last sub-band serial number reported of other channel condition information processes selecting to divide into groups with described channel condition information process same subband, and determine that described subband feedback information that the described channel condition information process of described terminal equipment reports is the subband feedback information of subband corresponding to the sub-band serial number of described reading;

If described channel condition information process does not configure sub-band serial number feedback, and described subband selects the configuration mode of instruction to be when selecting the subband of reference to select to indicate based on subband, the subband reading described channel condition information process is selected with reference to the sub-band serial number that reports of process the last time, and determines that described subband feedback information that the described channel condition information process of described terminal equipment reports is the subband feedback information of subband corresponding to the sub-band serial number of described reading.

24. 1 kinds of terminal equipments, is characterized in that, comprising:

Receiver module, for receiving one or more channel condition information processes that base station equipment is described terminal equipment configuration, and subband selects instruction;

Selecting module, selecting instruction to carry out subband selection for utilizing described subband;

Sending module, selects instruction uploading feedback information for utilizing the subband of selection according to described subband;

Wherein, described subband selects the configuration mode of instruction, comprising: select the subband of grouping to select instruction based on subband; Or, select the subband of reference to select instruction based on subband.

25. terminal equipments as claimed in claim 24, is characterized in that,

Described selection module, specifically for when described base station equipment be a channel condition information process configuration report pattern be described terminal equipment select subband report pattern time, utilize described subband to select to be designated as described channel condition information process selection subband.

26. terminal equipments as described in claim 24 or 25, is characterized in that, select the configuration mode of instruction to be when selecting the subband of grouping to select instruction based on subband at described subband;

Described selection module, be further used for searching for P the subband selection bitmap that described base station equipment is described terminal equipment configuration, and the effective instruction in any one bitmap of bitmap is selected by reading described P subband, obtain all channel condition information processes in subband selection grouping corresponding to this bitmap; Wherein, the quantity P of described subband selection bitmap is the subband selection number of packet of described terminal equipment, and described subband selects the quantity P of bitmap to be that described base station equipment and described terminal equipment are arranged in advance or inform described terminal equipment by described base station equipment by high-level signaling; And, for being configured with the subband that terminal equipment selects subband to report the channel condition information process selection of pattern to report in each subband selection grouping.

27. terminal equipments as claimed in claim 26, is characterized in that,

Described selection module, is further used in non-periodic feedback process, adopts associating subband selection mode to be the subband that each subband is selected to be configured with in grouping terminal equipment selection subband and reported the channel condition information process selection of pattern to report; Or adopting with reference to subband selection mode is the subband that each subband is selected to be configured with in grouping terminal equipment and selected subband to report the channel condition information process selection of pattern to report; Or in periodic feedback process, adopting with reference to subband selection mode is the subband that each subband is selected to be configured with in grouping terminal equipment and selected subband to report the channel condition information process selection of pattern to report.

28. terminal equipments as claimed in claim 27, is characterized in that,

Described selection module, is further used for selecting in grouping according to a subband, is configured with terminal equipment and selects subband to report channel and/or the interference measurement results Combination selection subband of the impaction of partial channel state information process of pattern; Wherein, this impaction of partial channel state information process is that current being triggered by described base station equipment reports and be configured with the part or all of channel condition information process that terminal equipment selection subband reports pattern aperiodic; This subband that described terminal equipment is selected is selected in grouping for this subband, and reports the current aperiodic being triggered the channel condition information process reported aperiodic by described base station equipment.

29. terminal equipments as claimed in claim 27, is characterized in that,

Described selection module, be further used in non-periodic feedback process, being selected by a subband one in grouping to be configured with described terminal equipment selects subband to report pattern and the current channel condition information process being triggered non-periodic feedback by described base station equipment, as the reference channel state information process that subband is selected, and be this reference channel state information process selection subband according to the channel of described reference channel state information process and/or interference measurement results; And select in grouping at this subband, subband is selected to report pattern and the current channel condition information process being triggered non-periodic feedback by described base station equipment for other is configured with described terminal equipment, select the subband identical with this reference channel state information process, carry out this non-periodic feedback;

In periodic feedback process, being selected by a subband one in grouping to be configured with described terminal equipment selects subband to report the channel condition information process of pattern, as the reference channel state information process that subband is selected, and be this reference channel state information process selection subband according to the channel of described reference channel state information process and/or interference measurement results; And select in grouping at this subband, select subband to report the channel condition information process of pattern for other is configured with described terminal equipment, the subband that the sub-band serial number selecting this reference channel state information process the last time to report is corresponding; Wherein, this reference channel state information process is that described base station equipment is indicated to described terminal equipment, or the subband of described base station equipment and described terminal equipment agreement is selected to need the channel condition information process reporting sub-band serial number in grouping.

30. terminal equipments as described in claim 24 or 25, is characterized in that, select the configuration mode of instruction to be when selecting the subband of reference to select instruction based on subband at described subband;

Described selection module, is further used for reading any one and is configured with the subband selection reference process that described terminal equipment selection subband reports the channel condition information process of pattern;

Selecting with reference to process if described base station equipment is not this channel condition information process configuration subband, then according to channel and/or the interference measurement results of described channel condition information process, is this channel condition information process selection subband separately; Wherein, if to be the reference process index of channel condition information process configuration identical with the index of this channel condition information process for described base station equipment, then described base station equipment is not that this channel condition information process configuration subband is selected with reference to process; If described base station equipment is that the reference process index of channel condition information process configuration is different with the index of this channel condition information process, then described base station equipment is that this channel condition information process configuration subband is selected with reference to process;

Select with reference to process if described base station equipment is this channel condition information process configuration subband, then in non-periodic feedback process, in this non-periodic feedback process triggered in described base station equipment this channel condition information process, its subband is selected to select the subband selected in this non-periodic feedback with reference to process; Or in periodic feedback process, this its subband of channel condition information process selection is selected with reference to subband corresponding to the last sub-band serial number reported of process.

31. terminal equipments as claimed in claim 24, is characterized in that,

Described receiver module is also that the sub-band serial number of described terminal equipment configuration reports instruction for receiving described base station equipment;

Described sending module, reports instruction uploading feedback information specifically for the subband and described sub-band serial number utilizing selection.

32. terminal equipments as claimed in claim 31, is characterized in that,

Described sending module, specifically for selecting the sub-band serial number of grouping or each channel condition information process to report instruction according to each subband, selecting subband to report the channel condition information process of pattern for being configured with described terminal equipment, determining whether to report sub-band serial number or subband combination sequence number; If it is determined that a channel condition information process needs to report sub-band serial number or subband combination sequence number, then comprise sub-band serial number or subband combination sequence number in corresponding the reporting in pattern of this channel condition information process; And,

If described in be configured with described terminal equipment and select subband to report the channel condition information process configuration of pattern sub-band serial number feedback, for described channel condition information process reports the feedback information comprising channel quality indicator (CQI) and/or pre-coding matrix instruction PMI and/or order instruction RI on subband corresponding to the sub-band serial number that reports of described channel condition information process the last time;

If described in be configured with described terminal equipment select subband report the channel condition information process of pattern do not configure sub-band serial number feedback, and described subband selects the configuration mode of instruction to be when selecting the subband of grouping to select instruction based on subband, on the subband that described channel condition information process reports the last sub-band serial number reported of other channel condition information processes that to select with described channel condition information process same subband to divide into groups corresponding comprise channel quality indicator (CQI) and/or pre-coding matrix indicates PMI and/or order to indicate the feedback information of RI;

If described in be configured with described terminal equipment select subband report the channel condition information process of pattern do not configure sub-band serial number feedback, and described subband selects the configuration mode of instruction to be when selecting the subband of reference to select instruction based on subband, it is the feedback information comprising channel quality indicator (CQI) and/or pre-coding matrix instruction PMI and/or order instruction RI on subband corresponding to sub-band serial number that described channel condition information process reports the subband of described channel condition information process to select to report with reference to process the last time.