CN103326815B

CN103326815B - A kind of channel quality indicator (CQI) processing method, Apparatus and system

Info

Publication number: CN103326815B
Application number: CN201210081558.8A
Authority: CN
Inventors: 夏金环
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-03-23
Filing date: 2012-03-23
Publication date: 2016-08-10
Anticipated expiration: 2032-03-23
Also published as: WO2013139190A1; CN103326815A

Abstract

A kind of channel quality indicator (CQI) processing method, Apparatus and system, relate to the communications field, can only be under the application scenarios of reference signal in receiving portion system frequency range in a scheduling interval TTI at subscriber equipment, the CQI achieving UE measures and feedback, and the CQI expanding UE measures and the range of feedback.The method includes: UE, according to the measurement gap pre-seted, calculates CQI, and will calculate the CQI feedback of gained to base station in measuring gap after measuring the reference signal on the non-present residence sub-band specified；Measuring gap is the arbitrary appointment time period before feedback CQI opportunity, and in measuring gap base station will not on subband the most resident for UE dispatching downlink；Wherein, the residence sub-band of UE refer to when UE is initially accessed select special working frequency range, or need not base station special instructions and give tacit consent to UE receive downlink data time working frequency range.Embodiment of the present invention CQI under above-mentioned scene measures and feedback.

Description

A kind of channel quality indicator (CQI) processing method, Apparatus and system

Technical field

The present invention relates to the communications field, particularly relate to a kind of channel quality indicator (CQI) process side Method, Apparatus and system.

Background technology

Long Term Evolution (Long Term Evolution is called for short LTE) system at 3GPP In, UE (User Equipment, user terminal) feeds back CQI (Channel Quality Indicator, channel quality indicate) principle with process be: UE according to high level RRC signaling Measuring corresponding pilot signal, cycle/aperiodic selects PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel)/PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) feedback CQI measurement report, network side root According to UE feedback CQI measurement report and combine current network resources situation, decide whether To the modulation system of UE, resource distribution, MIMO (Multiple Input Multiple Output, Multiple-input and multiple-output) relevant configuration be adjusted.

CQI is the UE measured value to frequency domain within certain time period, which show UE and is solving Adjust PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel) During subframe, its transfer function meet index value corresponding during the bit error rate of 10% ( The supported data transmission capabilities of UE).

In existing LTE system, CQI feedback method is the CQI feedback method for broadband UE Definition, but in prior art, arrowband UE is only capable of receiving and measuring special in a subframe CQI on subband, therefore the CQI feedback method of broadband UE may not apply to arrowband UE's CQI feedback, but in prior art, CQI feedback method to arrowband UE does not the most define.

Summary of the invention

Embodiments of the invention provide a kind of channel quality indicator (CQI) processing method, device and System, at subscriber equipment, at a scheduling interval, (Transmission Time Interval is called for short TTI) can only be under the application scenarios of reference signal in receiving portion system frequency range in, it is achieved that use The CQI of family equipment measures and feedback, expands the CQI measurement of subscriber equipment and making of feedback Use scope.

Embodiments of the invention adopt the following technical scheme that

On the one hand, embodiments providing a kind of CQI processing method, described method should Can only be in receiving portion system frequency range in a scheduling interval TTI for user equipment (UE) Reference signal, described method includes:

UE according to the measurement gap pre-seted, measures specify non-in described measurement gap and works as CQI is calculated after reference signal on front residence sub-band, and by anti-for the described CQI of calculating gained Feed base station；

Described measurement gap is the arbitrary appointment time period before feedback CQI opportunity, and in institute State measurement gap in described base station will not on subband the most resident for described UE dispatching downlink； Wherein, the residence sub-band of described UE refers to the special working frequency range selected when UE is initially accessed, Or need not described base station special instructions and give tacit consent to UE receive downlink data time working frequency range.

On the one hand, embodiments provide a kind of CQI processing means, including:

First measuring unit, for according to the measurement gap pre-seted, in described measurement gap CQI is calculated after measuring the reference signal on the non-present residence sub-band specified；

First feedback unit, for the described CQI feedback by calculating gained to base station；

On the one hand, embodiments provide a kind of CQI processing system, including: UE and Base station, wherein,

Described UE is for according to the measurement gap pre-seted, measuring and refer in described measurement gap Calculate CQI after the fixed reference signal on non-present residence sub-band, and the CQI of gained will be calculated Feed back to base station；Described measurement gap is the arbitrary appointment time period before feedback CQI opportunity, And described base station will not be dispatched on subband the most resident for described UE in described measurement gap Descending；Wherein, the residence sub-band of described UE refers to the special tool selected when UE is initially accessed Make frequency range, or need not described base station special instructions and give tacit consent to work when UE receives downlink data Make frequency range；

The measurement gap that described base station pre-sets for the basis receiving UE feedback, in described survey The CQI of the reference signal on the non-present residence sub-band specified measured in amount gap；Described survey Amount gap is the arbitrary appointment time period before feedback CQI opportunity, and in described measurement gap In described base station will not on subband the most resident for described UE dispatching downlink；Wherein, described The residence sub-band of UE refers to the special working frequency range selected when UE is initially accessed, or need not Described base station special instructions and give tacit consent to UE receive downlink data time working frequency range.

UE measures system broad and controls the CQI of reference signal on channel resource domain and feed back to institute State base station；Wherein, described system broad control channel resource domain refers to account on frequency domain whole system Bandwidth, the resource domains of several orthogonal frequency division multiplex OFDM symbols before time domain accounts for.

On the one hand, embodiments provide a kind of CQI processing means, including:

Second measuring unit, controls reference signal on channel resource domain for measuring system broad CQI；

Second feedback unit, the system broad for measuring controls on channel resource domain with reference to letter Number CQI feedback give described base station；

Wherein, described system broad control channel resource domain refers to account for whole system band on frequency domain Width, the resource domains of several orthogonal frequency division multiplex OFDM symbols before time domain accounts for.

Described UE controls the CQI of reference signal on channel resource domain for measuring system broad And feed back to described base station；Wherein, described system broad control channel resource domain refers on frequency domain Account for whole system bandwidth, the money of several orthogonal frequency division multiplex OFDM symbols before time domain accounts for Source domain；

Described base station controls to join on channel resource domain for the measurement system broad receiving UE feedback Examine the CQI of signal；Wherein, described system broad controls channel resource domain and refers to account on frequency domain whole Individual system bandwidth, the resource domains of several orthogonal frequency division multiplex OFDM symbols before time domain accounts for.

UE measures on current residence sub-band reference signal in non-measured gap and is measuring gap Described current residence sub-band is calculated after reference signal respectively on the non-present subband that interior measurement is specified The CQI of reference signal on the CQI of upper reference signal and the described non-present subband specified, and By calculate gained described current residence sub-band on reference signal CQI and described specify non- On current sub-band, the CQI feedback of reference signal is to base station；

Described measurement gap is the arbitrary appointment time period before feedback CQI opportunity, and described Measure in gap described base station will not on subband the most resident for described UE dispatching downlink；Its In, the residence sub-band of described UE refers to the special working frequency range selected when UE is initially accessed, Or need not described base station special instructions and give tacit consent to UE receive downlink data time working frequency range.

On the one hand, embodiments provide a kind of CQI processing means, including:

3rd measuring unit, for measuring on current residence sub-band with reference to letter in non-measured gap Number and respectively calculate institute after reference signal measuring in gap to measure on the non-present subband specified State reference on the CQI of reference signal on current residence sub-band and the described non-present subband specified The CQI of signal；

3rd feedback unit, for calculating reference signal on the described current residence sub-band of gained CQI and the described non-present subband specified on the CQI feedback of reference signal to base station；

Described UE for measure in non-measured gap on current residence sub-band reference signal and Measure in the measurement gap pre-seted and calculate respectively after reference signal on the non-present subband specified Join on the CQI of reference signal and the described non-present subband specified on described current residence sub-band Examine the CQI of signal, and the CQI of reference signal on the described current residence sub-band of gained will be calculated And on the described non-present subband specified the CQI feedback of reference signal to base station；Described measurement Gap is institute in the arbitrary appointment time period, and described measurement gap before feedback CQI opportunity State base station will not on subband the most resident for described UE dispatching downlink；Wherein, described UE Residence sub-band refer to the special working frequency range that selects when UE is initially accessed, or need not described Base station special instructions and give tacit consent to UE receive downlink data time working frequency range；

Described base station is reference signal on the described current residence sub-band receiving UE feedback The CQI of reference signal on CQI and the described non-present subband specified；Described measurement gap is anti- Arbitrary appointment time period before feedback CQI opportunity, and described base station in described measurement gap Will not on subband the most resident for described UE dispatching downlink；Wherein, described UE's is resident Subband refers to the special working frequency range selected when UE is initially accessed, or it is special to need not described base station Do not indicate and give tacit consent to UE receive downlink data time working frequency range.

Embodiments provide a kind of CQI processing method, Apparatus and system, by User equipment (UE) can only reference in receiving portion system frequency range in a scheduling interval TTI Under the application scenarios of signal, or, the CQI measurement configuration information that UE sends according to base station, Determine measurement gap, measuring on gap the reference signal on the non-present residence sub-band specified Measure or to the non-present residence sub-band specified and in non-measured gap to the most resident Reference signal on subband measures, and line number under UE needs to receive in measuring gap According to time, base station is dispatched UE on subband and is received descending measuring；And UE is on the subband measured Measuring reference signals also calculates CQI.Base station arranges measurement gap, or, base station is not provided with CQI measures gap, and UE is after the reference signal measured on PDCCH resource territory, according to existing The CQI feedback method of some broadband UE, carries out the feedback of corresponding UE, realizes specific The CQI feedback of UE under scene.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below by right In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, Accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art From the point of view of, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings Figure.

The schematic flow sheet of the CQI processing method that Fig. 1 provides for the embodiment of the present invention；

The structural representation one of the CQI processing means that Fig. 2 provides for the embodiment of the present invention；

The structural representation two of the CQI processing means that Fig. 3 provides for the embodiment of the present invention；

The structural representation of the CQI processing system that Fig. 4 provides for the embodiment of the present invention；

The schematic flow sheet of another CQI processing method that Fig. 5 provides for the embodiment of the present invention；

Zone that Fig. 6 provides for the embodiment of the present invention and the schematic diagram of subband；

The structural representation one of another CQI processing means that Fig. 7 provides for the embodiment of the present invention；

The structural representation two of another CQI processing means that Fig. 8 provides for the embodiment of the present invention；

The schematic flow sheet of the another CQI processing method that Fig. 9 provides for the embodiment of the present invention；

The structural representation of the another CQI processing means that Figure 10 provides for the embodiment of the present invention One；

The structural representation of the another CQI processing means that Figure 11 provides for the embodiment of the present invention Two；

The structural representation of the another CQI processing system that Figure 12 provides for the embodiment of the present invention.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of the present invention, Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having Have and make the every other embodiment obtained under creative work premise, broadly fall into present invention protection Scope.

Embodiment one

The CQI processing method that the embodiment of the present invention provides, as it is shown in figure 1, the method application The physical downlink control channel PDCCH in broadband cannot be received in user equipment (UE), also cannot In the scene of the Physical Downlink Shared Channel PDSCH receiving broadband, the method step includes:

S101, UE, according to the measurement gap pre-seted, measure in described measurement gap and specify Non-present residence sub-band on reference signal after calculate CQI；Described measurement gap is feedback Arbitrary appointment time period before CQI opportunity, and described base station will not in described measurement gap Dispatching downlink on the subband that described UE is the most resident；Wherein, the residence sub-band of described UE Refer to the special working frequency range selected when UE is initially accessed, or need not described base station and refer in particular to Show and give tacit consent to UE receive downlink data time working frequency range.

Wherein, UE measures reference signal on the non-present residence sub-band specified in measuring gap CQI method particularly includes: UE only measures on the non-present residence sub-band specified on frequency domain The CQI of reference signal, time domain only measures on PDSCH.Measuring CQI Time, when described UE needs to receive downlink data in described measurement gap, described base station exists Dispatch described UE on the non-present residence sub-band specified of described measurement and receive descending；And it is described UE measures CQI on the non-present residence sub-band specified of described measurement.

Before UE measures and feeds back CQI, the method also includes: described UE receives described The survey of the CQI that base station is sent by special radio resource control RRC signaling or broadcast message Amount and the configuration information of feedback.

Concrete, the measurement of this CQI and the configuration information of feedback include system during periodic feedback The measurement of each subband and feedback order in bandwidth, subframe according to periodic report CQI, determine Measurement gap.

Additionally, the configuration information of the measurement of this CQI and feedback also includes: son in system bandwidth The subband comprised in the number of the Physical Resource Block PRB that band comprises, and/or a zone Number.

Exemplary, determine that subband is measured by the measurement of this CQI and the configuration information of feedback It is specifically as follows with feedback order: the whole zone of broadband UE is divided equally into Jn band District, each zone comprises several subbands, and wherein, the number of the subband that each zone comprises is extremely Being two or more less, can comprise several, in its zone, the number of subband depends on whole band Wide size and the number of the zone of division, such as: the concrete order in this measurement gap can be J0-subband 0, J1-subband4 ... J0-subband 1, J1-subband 5 ....The most just It is first subband of J0, first subband of J1 subband, the 4th of the most whole zone Subband, it is also possible to be the 5th or the 6th, which subband it is specially depends on whole zone After division, the number of J0 zone subband, it is in turn first of Jn zone, then feeds back Second subband of J0 zone, second subband of JI zone, second subband of Jn zone, Corresponding measurement and feedback order is set by that analogy.Measure gap and refer to CQI feedback subframe A period of time specified before, such as, during periodic feedback, UE is at k-th sub frame and (K+n) Mod 10 (n ＞ 1) is two subframes reporting CQI of continuous print, measure gap can be K and (K+n) any one subframe in, time specifically used, needs to arrange a fixing value, as K+2 subframe is for measuring gap.

It should be noted that after UE receives the configuration information that base station sends, it is determined that phase The feedback subframe answered, then UE by feedback time subframe first three or the first two subframe be set to Measure gap, it is also possible to be set to measure by arbitrary subframe of the time period before subframe during feedback Gap, the invention is not limited in this regard.

S102, UE will calculate the described CQI feedback of gained to base station.

Further, UE on PUCCH periodically according to the measurement of described CQI and anti- The measurement of each subband in the configuration information of feedback and feedback order feed back specifying of described measurement The CQI of reference signal on non-present residence sub-band.

Exemplary, measure according to the subband in measurement configuration information and feedback in each measurement Order measures and feeds back, and is exactly i.e. first subband first measuring J0 zone, is measuring First subband of second zone ..., survey according to the measuring sequence of regulation by that analogy After amount, periodically the CQI of the reference signal of the PDCCH after measuring is fed back.

It should be noted that scheduling interval TTI refers to be scheduling in Transmission Time Interval.

Embodiments provide a kind of CQI processing method, by UE a scheduling Can only be under the scene mode of reference signal in receiving portion system frequency range in the TTI of interval, UE The CQI measurement configuration information sent according to base station, determines measurement gap, in measuring gap Reference signal on the non-present residence sub-band specified is measured, and calculates reference signal CQI, and when described UE needs to receive downlink data in described measurement gap, described base Stand in dispatch on the non-present residence sub-band specified of described measurement described UE receive descending；And Described UE measures CQI on the non-present residence sub-band specified of described measurement, realizes spy The CQI determining UE under scene measures and feedback, expands the CQI measurement of UE and the suitable of feedback Use scope.

Embodiment two

The channel quality CQI processing method that the embodiment of the present invention provides, the method is applied to use Family equipment UE cannot receive the physical downlink control channel PDCCH in broadband, also cannot receive In the scene of the Physical Downlink Shared Channel PDSCH in broadband, the method step includes:

S11, UE are according to the measurement gap pre-seted, and in described measurement gap, measurement is specified CQI is calculated after reference signal on non-present residence sub-band；Described measurement gap is feedback CQI Arbitrary appointment time period before opportunity, and described base station will not be in institute in described measurement gap State dispatching downlink on the most resident subband of UE；Wherein, the residence sub-band of described UE refers to The special working frequency range selected when UE is initially accessed, or need not described base station special instructions and Acquiescence UE receives working frequency range during downlink data.

Wherein, UE measures reference signal on the non-present residence sub-band specified on measurement gap CQI method particularly includes: UE only measures on the non-present residence sub-band specified on frequency domain The CQI of reference signal, time domain only measures on PDSCH.

Further, UE receive described base station send carry the described UE specified non-work as After the uplink authorization of the identification information of front residence sub-band controls the trigger message of information, in described survey Amount measures in gap；Wherein, under described UE needs to receive in described measurement gap During row data, described base station is dispatched UE on the described non-present residence sub-band specified and is received Descending；And described UE measures CQI on the non-present subband of described measurement.

Further, measure, in measuring gap, the non-present residence sub-band specified at described UE On reference signal after calculate before CQI, this step also includes:

Described UE receives described base station by special radio resource control RRC signaling or wide Broadcast measurement and the configuration information of feedback of the CQI that information sends.

Additionally, the configuration information of the measurement of this CQI and feedback also includes: in system zone and The subband comprised in the number of the Physical Resource Block PRB that subband comprises, and/or a zone Number.

Exemplary, during non-periodic feedback, when UE receives triggering non-week at K descending sub frame During the instruction information of phase CQI feedback, measuring gap is that K arrives appointing between (K+4) mod 10 One subframe, time specifically used, needs to arrange a fixing value, if K+2 subframe is for surveying Amount gap.

S12, UE will calculate the described CQI feedback of gained to base station.

Exemplary, as m=2, then CQI measures gap is K+2 subframe, and base station is passed through Measuring at k-th sub frame triggering UE of DCI format 0 or 4, UE receives triggering letter After breath, according to the subband of instruction in trigger message, reference signal on this non-present residence sub-band is entered Row is measured and calculates CQI, and feeds back to institute at the Physical Uplink Shared Channel PUSCH of UE State base station.

Exemplary, when UE receives, at k-th sub frame, the uplink authorization control information that base station sends In the identification information of the described UE non-present residence sub-band specified that carries be J1-subband4 Time, UE needs to feed back the CQI of this subband in K+4 subframe, and measuring gap is K and K+4 Arbitrary subframe in subframe, time specifically used, needs clear stipulaties such as K+2 subframe for surveying Amount gap.

Embodiments provide a kind of CQI processing method, by UE a scheduling Can only be under the scene mode of reference signal in receiving portion system frequency range in the TTI of interval, UE The CQI measurement configuration information sent according to base station, determines measurement gap, in measuring gap To the reference letter in the reference signal on the non-present residence sub-band specified and current residence sub-band Number measure, and calculate the CQI of reference signal, and when described UE is in described measurement gap When inside needing to receive downlink data, described base station is at the resident son of the non-present specified of described measurement Dispatch described UE on band and receive descending；And described UE is in the non-present specified of described measurement Measuring CQI on residence sub-band, the CQI realizing UE under special scenes measures and feedback, expands The CQI of big UE measures and the scope of application of feedback.

Embodiments providing a kind of CQI processing means 20, corresponding said method is implemented Example, each functional unit of this CQI processing means may be incorporated for said method step.As Shown in Fig. 2, including:

First measuring unit 21, for according to the measurement gap pre-seted, between described measurement CQI is calculated after measuring the reference signal on the non-present residence sub-band specified in gap.

First feedback unit 22, for the described CQI feedback by calculating gained to base station；Institute Stating and measuring gap is the arbitrary appointment time period before feedback CQI opportunity, and in described measurement In gap described base station will not on subband the most resident for described UE dispatching downlink；Wherein, The residence sub-band of described UE does not refers to the special working frequency range selected when UE is initially accessed, or not Need described base station special instructions and give tacit consent to working frequency range when UE receives downlink data.

Further, as it is shown on figure 3, this device also includes:

First receives unit 23, for receiving described base station by special wireless heterogeneous networks The measurement of the CQI that RRC signaling or broadcast message send and the configuration information of feedback.

Further, described first feedback unit 21, it is additionally operable to go physically control channel PUCCH is upper periodically according to each son in the measurement of described CQI and the configuration information of feedback Reference signal on the non-present residence sub-band specified that the measurement of band and feedback order feedback are measured CQI；Wherein, when described UE needs to receive downlink data in described measurement gap, Described base station is dispatched under described UE reception on the non-present residence sub-band specified of described measurement OK；And described UE measures CQI on the non-present residence sub-band specified of described measurement.

Further, described first receives unit 23, for receiving taking of described base station transmission The uplink authorization of the identification information of the described UE non-present residence sub-band that band is specified controls information Trigger message.

Described first feedback unit 22, is additionally operable to the Physical Uplink Shared Channel PUSCH at UE The described appointment that upper aperiodicity will be measured according to the instruction in described uplink authorization control information Non-present residence sub-band on reference signal CQI feedback give described base station；Wherein, institute is worked as Stating UE needs in described measurement gap during reception downlink data, described base station is at described finger Dispatch UE on fixed non-present residence sub-band and receive descending；And described UE is in described measurement CQI is measured on the non-present residence sub-band specified.

Embodiments provide a kind of channel quality indicator (CQI) processing system, in correspondence Stating embodiment of the method and device embodiment, each functional unit of this each device of system is the most permissible For said method step.As shown in Figure 4, including following UE and base station:

User equipment (UE) 41, base station 42, wherein, UE can be the UE shown in Fig. 2, And the technical scheme of embodiment of the method described in Fig. 1 can be performed, it is the most superfluous at this that it realizes principle State.

Exemplary, a kind of channel quality indicator (CQI) processing system signal in actual applications Figure can comprise described UE122, and described base station 121 as shown in figure 12, corresponding above-mentioned Embodiment of the method and device embodiment, each functional unit of this each device of system all can be used In said method step.

Embodiments provide a kind of CQI processing means and system, by UE one Can only the scene mode of reference signal in receiving portion system frequency range in individual scheduling interval TTI Under, the CQI measurement configuration information that UE sends according to base station, determine measurement gap, measuring On gap, the subband under different scenes is measured, and when described UE is in described measurement gap domestic demand During downlink data to be received, described base station is on the non-present residence sub-band specified of described measurement Dispatch described UE and receive descending；And described UE is resident in the non-present specified of described measurement Measuring CQI on subband, the CQI realizing UE under special scenes measures and feedback, expands The CQI of UE measures and the scope of application of feedback.

Embodiment three

The channel quality CQI processing method that the embodiment of the present invention provides, as it is shown in figure 5, should Method is applied to user equipment (UE) can receive the physical downlink control channel PDCCH in broadband, Cannot receive in the scene of Physical Downlink Shared Channel PDSCH in broadband, the method step bag Include:

S501, UE measure system broad and control the CQI of reference signal on channel resource domain.Its In, described system broad controls channel resource domain and refers to account for whole system bandwidth, time domain on frequency domain On account for before the resource domains of several orthogonal frequency division multiplex OFDM symbols.

Concrete, UE measures system broad and controls the CQI of reference signal on channel resource domain. Using the measuring method of prior art broadband UE when it is measured, the present invention does not repeats them here.

The system broad of described measurement is controlled reference signal on channel resource domain by S502, UE CQI feedback is to base station.

The CQI feedback method according to prior art middle width strip UE in UE cycle, by described survey On the system broad control channel resource domain of amount, the CQI feedback of reference signal is to base station.

Concrete, the periodicity CQI feedback of UE includes two kinds, and the first is: broadband CQI Measuring and feedback, the second is: UE selects subband to measure and feedback.

The first broadband CQI measure and feedback method particularly as follows:

Described UE measures described system broad and controls whole zone internal reference letter on channel resource domain Number a CQI, and feed back to described base station.

The second UE select subband measure and feedback method particularly as follows:

It is each that described UE measures that described system broad controls on channel resource domain in each zone The CQI of reference signal on subband, and control on channel resource domain at the described system broad measured On each subband in each zone in the CQI of reference signal, select CQI in each zone The CQI on a subband that value is maximum feeds back, and is fed back to by the index of described subband Described base station.

Concrete, UE periodically according to the CQI feedback method of prior art middle width strip UE, System bandwidth is divided into multiple zone, measures system bandwidth and control each band on channel resource domain Reference information on each subband in district, and calculate CQI；And when CQI feedback, only feed back The value of CQI best in each zone, and the rope of subband corresponding to this best CQI value Draw.

Exemplary, as shown in Figure 6, UE is periodically according to prior art middle width strip UE CQI feedback method, the whole bandwidth of system broad is bisected into J zone, each band District comprises several subbands, and each subband comprises several Physical Resource Block (Physical Resource Block, is called for short PRB), broadband UE can measure the every height in each zone CQI on band, when feedback, on the subband that broadband UE is best in only feeding back each zone CQI and the index of corresponding subband.

Wherein, before UE carries out period measurement and feedback, UE receives base station to be believed by high level Make the pattern of the periodic feedback that RRC signaling sends, and the period distances of periodic feedback, and The resource taken on PUCCH channel.

Owing to this feedback method is prior art, therefore the embodiment of the present invention is the most no longer gone to live in the household of one's in-laws on getting married State.

It should be noted that the UE in the embodiment of the present invention is directed to broadband of the prior art For UE, it is arrowband UE, and this CQI measures and the periodic feedback method of feedback is Do not define method when measuring gap.

Embodiments provide a kind of CQI processing method, measure system broad control at UE Reference signal on channel resource domain processed after calculating CQI, according to existing broadband UE's CQI feedback method, carries out the feedback of UE under special scenes, realizes UE under special scenes CQI feedback, expand UE CQI measure and feedback the scope of application.

Embodiment four

The channel quality CQI processing method that the embodiment of the present invention provides, the method is applied to use Family equipment UE can receive the physical downlink control channel PDCCH in broadband, it is impossible to receives width In the scene of the Physical Downlink Shared Channel PDSCH of band, the method step includes:

S51, UE measure system broad and control the CQI of reference signal on channel resource domain.Wherein, Described system broad controls channel resource domain and refers to account for whole system bandwidth on frequency domain, and time domain accounts for The resource domains of several orthogonal frequency division multiplex OFDM symbols front.

The system broad of described measurement is controlled reference signal on channel resource domain by S52, UE CQI feedback is to base station.

The acyclic CQI feedback method according to prior art middle width strip UE of UE, will survey The system broad of measuring of amount controls the CQI of reference signal on channel resource domain, feeds back to described base Stand.

Concrete, the aperiodicity CQI feedback of UE includes two kinds, and the first is: UE selects Selecting subband to measure and feedback, the second is: measured and feedback by high level configuration UE.

It should be noted that the configuration of this high level refers to the configuration obtained by high-rise RRC signaling.

The first UE select subband measure and feedback method particularly as follows:

Described UE measures described system broad and controls the reference letter of all subbands on channel resource domain Number CQI, acyclic by reference on all subbands on the PDCCH resource territory measured In the CQI of signal, select the CQI on M the subband that CQI value in all subbands is the highest Feed back, and zone index and subband index are fed back to base station.

The second by high level configuration UE measure and feedback method particularly as follows:

Described UE measures described system broad and controls the reference letter of all subbands on channel resource domain Number CQI, the acyclic described PDCCH resource territory that will measure is joined on all subbands Examine the CQI feedback of signal to described base station.

Said method is the aperiodicity CQI feedback method of prior art broadband UE, the present invention This makees brief letter and continues embodiment again, is not described in detail it.

It should be noted that the method is not define non-periodic feedback method when measuring gap.

Embodiments provide a kind of CQI processing method, measure PDCCH money at UE Reference signal in source domain after calculating CQI, according to the CQI feedback of existing broadband UE Method, carries out the feedback of UE under special scenes, realizes the CQI of UE under special scenes anti- Feedback, the CQI expanding UE measures and the scope of application of feedback.

Embodiments providing a kind of CQI processing means 70, corresponding said method is implemented Example, each functional unit of this CQI processing means may be incorporated for said method step.As Shown in Fig. 7, including:

Second measuring unit 71, is used for measuring system broad and controls on channel resource domain with reference to letter Number CQI.

Second feedback unit 72, the system broad for measuring controls to join on channel resource domain Examine the CQI feedback of signal to described base station；Wherein, described system broad controls channel resource Territory refers to account for whole system bandwidth on frequency domain, several OFDMs before time domain accounts for The resource domains of OFDM symbol.

Further, as shown in Figure 8, this device also includes:

Described second measuring unit 73, is additionally operable to measure described system broad and controls channel resource A CQI of whole zone internal reference signals on territory.

Described second feedback unit 72, is additionally operable to the described system broad measured is controlled channel On resource domains, a CQI feedback of whole zone internal reference signals is to base station；Wherein, described System broad controls channel resource domain and refers to account for whole system bandwidth on frequency domain, if accounting for front in time domain The resource domains of dry orthogonal frequency division multiplex OFDM symbol.

Further, described second measuring unit 71, it is additionally operable to measure described system broad control The CQI of reference signal on each subband in each zone on channel resource domain processed.

Described second feedback unit 72, is additionally operable to control channel at the described system broad measured On resource domains on each subband in each zone in the CQI of reference signal, select each band The CQI on a subband that in district, CQI value is maximum feeds back, and by the rope of described subband Draw and feed back to described base station；Wherein, described system broad control channel resource domain refers on frequency domain Account for whole system bandwidth, the money of several orthogonal frequency division multiplex OFDM symbols before time domain accounts for Source domain.

Further, described second measuring unit 71, it is additionally operable to measure described system broad control The CQI of the reference signal of all subbands on channel resource domain processed.

Described second feedback unit 72, is additionally operable to control channel at the described system broad measured On resource domains in the CQI of reference signal, the relatively CQI value of all subbands in all zones, Sort from high to low, and select the CQI of front M subband to feed back, and by described zone Index and described subband index feed back to base station；Wherein, described system broad controls channel resource Territory refers to account for whole system bandwidth on frequency domain, several OFDMs before time domain accounts for The resource domains of OFDM symbol.

Described second feedback unit 72, is additionally operable to the described system broad measured is controlled channel On resource domains, the CQI feedback of the reference signal of all subbands gives described base station；Wherein, described System broad controls channel resource domain and refers to account for whole system bandwidth on frequency domain, if accounting for front in time domain The resource domains of dry orthogonal frequency division multiplex OFDM symbol.

UE41, base station 42, wherein, UE can be the UE shown in Fig. 7, it is possible to hold The technical scheme of embodiment of the method described in row Fig. 5, it realizes principle and does not repeats them here.

Embodiment five

The CQI processing method that the embodiment of the present invention provides, as it is shown in figure 9, the method application The physical downlink control channel PDCCH of broadband UE cannot be received in UE, may reside within width With in the scene of the Physical Downlink Shared Channel PDSCH of UE, the method step includes:

S901, UE measure on current residence sub-band reference signal and in advance in non-measured gap Measure in the measurement gap arranged to calculate respectively after reference signal on the non-present subband specified and work as Reference signal on the CQI of reference signal and the non-present subband specified on front residence sub-band CQI；Measuring gap is the arbitrary appointment time period before feedback CQI opportunity, and measures gap In described base station will not on subband the most resident for UE dispatching downlink；Wherein, the staying of UE Stay subband to refer to the special working frequency range selected when UE is initially accessed, or it is special to need not base station Instruction and give tacit consent to UE receive downlink data time working frequency range.

Wherein, UE measures reference signal on the non-present residence sub-band specified in measuring gap CQI and in non-measured gap, measure the tool of the CQI of reference signal on current residence sub-band Body method is: to the non-present residence sub-band specified and current residence sub-band, in its time domain On PDSCH resource domains, the CQI of a certain sub-band reference signal of zone a certain to frequency domain surveys Amount.And when measuring CQI, line number under described UE needs to receive in described measurement gap According to time, described UE is dispatched on the non-present residence sub-band specified of described measurement in described base station Receive descending；And described UE measures on the non-present residence sub-band specified of described measurement CQI。

Further, in non-measured gap, reference signal on current residence sub-band is measured at UE And measure in gap measure calculate respectively after reference signal on the non-present subband specified described With reference to letter on the CQI of reference signal and the described non-present subband specified on current residence sub-band Number CQI before, the method also includes: described UE receives described base station by special wireless The measurement of the CQI that resources control RRC signaling or broadcast message send and the configuration letter of feedback Breath.

Concrete, the measurement of this CQI and the configuration information of feedback, including during periodic feedback be The measurement of each subband and feedback order in regiment commander is wide, subframe according to feedback CQI, determine Described measurement gap.Additionally, the measurement of this CQI and the configuration information of feedback, also include be The number of the Physical Resource Block PRB that subband comprises in regiment commander is wide, and/or comprise in a zone The number of subband.

Exemplary, determine each subband by the measurement of this CQI and the configuration information of feedback Measure and feedback order can be: the whole zone of broadband UE is divided equally into Jn band District, each zone comprises several subbands, and wherein, the number of the subband that each zone comprises is extremely Being two or more less, can comprise several, in its zone, the number of subband depends on whole band Wide size and the number of the zone of division, such as: this measuring sequence can be J0-subband 0, J1-subband4 ... J0-subband 1, J1-subband 5 ....It it is exactly i.e. first of J0 Subband, first subband of J1 subband, the 4th subband of the most whole zone, it is also possible to Being the 5th or the 6th, it is specially after which subband depends on whole band Division, J0 The number of zone subband, is in turn first of Jn zone, then the of feedback J0 zone Two subbands, second subband of JI zone, second subband of Jn zone, set by that analogy Put corresponding measurement and feedback order.Measure gap refer to twice CQI feedback subframe it Between a period of time, such as, during periodic feedback, UE is at k-th sub frame and (K+n) mod 10 (n ＞ 1) is two subframes reporting CQI of continuous print, and measuring gap can be in K and (K+n) Any one subframe, time specifically used, needs to arrange a fixing value, such as K+2 subframe For measuring gap.

S902, UE will calculate CQI and the appointment of reference signal on the current residence sub-band of gained Non-present subband on the CQI feedback of reference signal to base station.

Concrete, UE is the periodic measurement according to described CQI and feedback on PUCCH Configuration information in the measurement of each subband and described non-present measured of feedback order feedback The CQI and the CQI of reference signal on described current residence sub-band of reference signal on band.

Embodiments provide a kind of CQI feedback method, by UE a scheduling Can only be under the scene mode of reference signal in receiving portion system frequency range in the TTI of interval, UE The CQI measurement configuration information sent according to base station, determines measurement gap, in measuring gap To the reference signal on the non-present residence sub-band specified and in non-measured gap to currently staying Stay the reference signal on subband to measure, and calculate the CQI of reference signal, and when described When UE needs to receive downlink data in described measurement gap, described base station is in described measurement Dispatch described UE on the non-present residence sub-band specified and receive descending；And described UE is described Measure CQI on the non-present residence sub-band specified measured, realize UE under special scenes CQI measures and feedback, and the CQI expanding UE measures and the scope of application of feedback.

Embodiment six

The channel quality CQI that the embodiment of the present invention provides measures and feedback method, and the method should The physical downlink control channel PDCCH of broadband UE cannot be received for UE, may reside within In the scene of the Physical Downlink Shared Channel PDSCH of broadband UE, the method step includes:

S91, UE measure on current residence sub-band reference signal in non-measured gap and are presetting Measure in the measurement gap put described in calculating respectively after reference signal on the non-present subband specified With reference to letter on the CQI of reference signal and the described non-present subband specified on current residence sub-band Number CQI.Described measurement gap is the arbitrary appointment time period before feedback CQI opportunity, And under in described measurement gap, described base station will not be dispatched on subband the most resident for described UE OK；Wherein, the residence sub-band of described UE refers to the special work selected when UE is initially accessed Frequency range, or need not described base station special instructions and give tacit consent to UE receive downlink data time work Frequency range.

Concrete, the PDSCH resource domains in its time domain is specified in measuring gap by UE Non-present residence sub-band and in non-measured gap to the reference signal on current residence sub-band CQI measures.

Further, described UE receive described base station send carry the described UE specified After the uplink authorization of the identification information of non-present residence sub-band controls the trigger message of information, in institute Measure in stating measurement gap；Wherein, need to connect in described measurement gap as described UE When receiving downlink data, described base station is dispatched on the non-present residence sub-band specified of described measurement UE receives descending；And described UE surveys on the non-present residence sub-band specified of described measurement Amount CQI.

Further, described UE measures on current residence sub-band with reference to letter in non-measured gap Number and measure reference signal on a non-present subband specified in gap measuring of pre-seting Rear calculate the non-present that on described current residence sub-band, reference signal and one are specified respectively On subband before the CQI of reference signal, the method also includes:

Described base station by special radio resource control RRC signaling or broadcast message by described The measurement of CQI and the configuration information of feedback are sent to described UE；Described UE receives described base Stand the measurement of CQI and the configuration information of feedback sent.

Concrete, the measurement of this CQI and the configuration information of feedback, including during periodic feedback be The measurement of each subband and feedback order in regiment commander is wide, subframe according to feedback CQI, determine Described measurement gap.

Additionally, the measurement of this CQI and the configuration information of feedback, including including zone in system With the number of the Physical Resource Block PRB that subband comprises, and/or the subband comprised in a zone Number.

It should be noted that during non-periodic feedback, when UE receives triggering at K descending sub frame Aperiodic CQI feedback instruction information time, measure gap be that K arrives between (K+4) mod 10 Arbitrary subframe, time specifically used, need to arrange a fixing value, such as K+2 subframe For measuring gap.

S92, UE by calculate gained described current residence sub-band on reference signal CQI and On the described non-present subband specified, the CQI feedback of reference signal is to base station.

Exemplary, as m=2, then CQI measures gap is K+2 subframe, and base station is passed through Measuring at k-th sub frame triggering UE of DCI format 0 or 4, UE receives triggering letter After breath, according to the subband of instruction in trigger message, reference signal on this non-present residence sub-band is entered Row is measured and calculates CQI, and feeds back on the Physical Uplink Shared Channel PUSCH of UE Base station.

Exemplary, if UE is carried out triggering measurement by base station at the down channel of k-th sub frame Band J1-suddand 6, the i.e. down channel at k-th sub frame carry out triggering J1 zone The measurement of the 3rd subband, then measurement gap is in K+m (0 ＜ m ＜ 4) subframe, as m=2, Then presetting CQI and measuring gap is K+2 subframe, then UE is right in the K+2 subframe of measurement gap Subband J1-suddand 6 measures and calculates CQI, to the most resident in non-measured gap Reference signal on subband measures；During measurement under UE needs to receive in measuring gap During row data, base station is dispatched UE on the described non-present residence sub-band specified and is received descending； And UE measures CQI on the non-present subband of described measurement.Measuring the non-present specified After residence sub-band and current residence sub-band reference signal CQI, feed back to base station.

Embodiments provide a kind of CQI to measure and feedback device 100, corresponding above-mentioned side Method embodiment, this CQI measures and each functional unit of feedback device may be incorporated for above-mentioned Method step.As shown in Figure 10, including:

3rd measuring unit 101, joins on current residence sub-band for measuring in non-measured gap Examine signal and measure reference signal on the non-present subband specified in the measurement gap pre-seted The rear CQI calculating reference signal on described current residence sub-band respectively and described specify non-work as The CQI of reference signal on front subband.

3rd feedback unit 102, for calculating reference on the described current residence sub-band of gained On the CQI of signal and the described non-present subband specified, the CQI feedback of reference signal is to base station.

Further, as shown in figure 11, described device also includes:

3rd receives unit 103, for receiving described base station by special wireless heterogeneous networks The measurement of the CQI that RRC signaling or broadcast message send and the configuration information of feedback.

Further, described 3rd feedback unit 102, it is additionally operable to go physically control channel PUCCH is upper periodically according to each son in the measurement of described CQI and the configuration information of feedback Reference signal on the described non-present subband specified that the measurement of band and feedback order feedback are measured CQI and described current residence sub-band on the CQI of reference signal；Wherein, exist as described UE When needing to receive downlink data in described measurement gap, described base station is specified described measurement Dispatch described UE on non-present subband and receive descending；And described UE is in the appointment of described measurement Non-present subband on measure CQI.

Further, the described 3rd receives unit 103, is additionally operable to receive what described base station sent The uplink authorization of the identification information carrying the described UE non-present residence sub-band specified controls information Trigger message.

Described 3rd feedback unit 102, is additionally operable to measure in described measurement gap, and On the Physical Uplink Shared Channel PUSCH of UE, aperiodicity is according to described uplink authorization control The CQI indicating reference signal on the described current residence sub-band that will measure in information processed and institute State on the non-present residence sub-band specified the CQI feedback of reference signal to described base station；Wherein, When described UE needs to receive downlink data in described measurement gap, described base station is described The non-present residence sub-band specified on dispatch UE receive descending；And described UE is in described survey CQI is measured on the non-present subband of amount.

Embodiments provide a kind of channel quality indicator (CQI) processing system, in correspondence Stating embodiment of the method and device embodiment, each functional unit of this each device of system is the most permissible For said method step.As it is shown in figure 5, include following UE and base station:

UE41, base station 42, wherein, UE can be the UE shown in Figure 10, it is possible to Performing the technical scheme of embodiment of the method described in Fig. 9, it realizes principle and does not repeats them here.

The present invention program can computer executable instructions general on It is described below, such as program unit.Usually, program unit include perform particular task or Realize the routine of particular abstract data type, program, object, assembly, data structure etc.. The present invention program can also be put into practice in a distributed computing environment, in these distributed computing environment In, the remote processing devices connected by communication network perform task.Distributed In computing environment, program unit may be located at the local and remote calculating including storage device In machine storage medium.

Each embodiment in this specification all uses the mode gone forward one by one to describe, each embodiment it Between identical similar part see mutually, what each embodiment stressed is and other The difference of embodiment.For device embodiment, owing to it is substantially similar to Embodiment of the method, so describing fairly simple, relevant part sees the part of embodiment of the method Illustrate.Device embodiment described above is only schematically, wherein said conduct The unit of separating component explanation can be or may not be physically separate, as unit The parts of display can be or may not be physical location, i.e. may be located at a place, Or can also be distributed on multiple NE.Can select therein according to the actual needs Some or all of module realizes the purpose of the present embodiment scheme.Those of ordinary skill in the art In the case of not paying creative work, i.e. it is appreciated that and implements.

Those of ordinary skill in the art are it is to be appreciated that combine the embodiments described herein and retouch The unit of each example stated and algorithm steps, it is possible to electronic hardware or computer software and Being implemented in combination in of electronic hardware.These functions perform with hardware or software mode actually, Depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can be to often Individual specifically should being used for uses different methods to realize described function, but this realization is not It is considered as beyond the scope of this invention.

Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, The specific works process of the system of foregoing description, device and unit, is referred to preceding method real Execute the corresponding process in example, do not repeat them here.

In several embodiments provided herein, it should be understood that disclosed system, Apparatus and method, can realize by another way.Such as, device described above is real Executing example is only schematically, such as, the division of described unit, it is only a kind of logic function Dividing, actual can have other dividing mode when realizing, and the most multiple unit or assembly are permissible In conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs. Another point, shown or discussed coupling each other or direct-coupling or communicate to connect permissible It is the INDIRECT COUPLING by some interfaces, device or unit or communication connection, can be electrical, Machinery or other form.

The described unit that illustrates as separating component can be or may not be and physically divide Opening, the parts shown as unit can be or may not be physical location, the most permissible It is positioned at a place, or can also be distributed on multiple NE.Can be according to reality Need to select some or all of unit therein to realize the purpose of the present embodiment scheme.

It addition, each functional unit in each embodiment of the present invention can be integrated in a process In unit, it is also possible to be that unit is individually physically present, it is also possible to two or more are single Unit is integrated in a unit.

If described function realizes and as independent product pin using the form of SFU software functional unit When selling or use, can be stored in a computer read/write memory medium.Based on such Understand, part that prior art is contributed by technical scheme the most in other words or The part of this technical scheme of person can embody with the form of software product, this computer software Product is stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) performs the present invention, and each is real Execute all or part of step of method described in example.And aforesaid storage medium includes: USB flash disk, shifting Dynamic hard disk, read only memory (ROM, Read-Only Memory), random access memory Device (RAM, Random Access Memory), magnetic disc or CD etc. are various can be deposited The medium of storage program code.

Through the above description of the embodiments, those skilled in the art can be clearly Solve the present invention to add the mode of required common hardware by software and realize, common hardware bag Include universal integrated circuit, universal cpu, general-purpose storage, universal elements etc., the most also Special IC, dedicated cpu, private memory, specially can be included by specialized hardware Realize with components and parts etc., but a lot of in the case of the former is more preferably embodiment.Based on so Understanding, the part that prior art is contributed by technical scheme the most in other words Can embody with the form of software product, this computer software product is stored in and can read In storage medium, such as the floppy disk of computer, hard disk or CD etc., including some instructions in order to make Obtain a computer equipment (can be personal computer, server, or the network equipment etc.) The method performing each embodiment of the present invention.

The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is also Being not limited to this, any those familiar with the art is at the technology model that the invention discloses In enclosing, change can be readily occurred in or replace, all should contain within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.

Claims

1. a channel quality indicator (CQI) processing method, described method is applied to subscriber equipment UE in a scheduling interval TTI can only reference signal in receiving portion system frequency range, it is special Levying and be, described method includes:

UE, according to the measurement gap pre-seted, measures, in described measurement gap, the non-present specified Calculate CQI after reference signal on residence sub-band, and the CQI feedback of gained will be calculated to base station；

Method the most according to claim 1, it is characterised in that described UE is according to pre-seting Measurement gap, in described measurement gap, measure the reference on the non-present residence sub-band specified After signal calculate CQI, and by calculate gained CQI feedback to base station before, described method is also wrapped Include:

Described UE receives described base station by special radio resource control RRC signaling or broadcast The measurement of the CQI that information sends and the configuration information of feedback.

Method the most according to claim 2, it is characterised in that the measurement of described CQI is with anti- The configuration information of feedback, including the measurement of subband each in system bandwidth during periodic feedback and feedback order, According to the subframe of periodic report CQI, the described measurement gap determined.

4. according to method described in Claims 2 or 3, it is characterised in that described CQI measure and Feedback configuration information, also includes the number of the Physical Resource Block PRB that subband comprises in system bandwidth, And/or the number of the subband comprised in a zone.

Method the most according to claim 3, it is characterised in that described UE is according to pre-seting Measurement gap, in described measurement gap, measure the reference on the non-present residence sub-band specified Calculate CQI after signal, and the CQI feedback calculating gained included to base station:

Described UE measures gap according to pre-set, measures specify non-in described measurement gap The CQI of reference signal on current residence sub-band, row controls the cycle on channel PUCCH physically The measurement according to each subband in the measurement of described CQI and the configuration information of feedback of property and feedback The CQI of reference signal on the non-present residence sub-band specified that order feedback is measured；Wherein, when When described UE needs to receive downlink data in described measurement gap, described base station is in described measurement The non-present residence sub-band specified on dispatch described UE receive descending；And described UE is described CQI is measured on the non-present residence sub-band specified measured.

Method the most according to claim 1, it is characterised in that at described UE according to presetting The measurement gap put, measures the ginseng on the non-present residence sub-band specified in described measurement gap Examine and calculate CQI after signal, and by calculate the CQI feedback of gained to base station before, described method is also Including:

Described UE receive described base station send carry the described resident son of UE non-present specified After the uplink authorization of the identification information of band controls the trigger message of information, in described measurement gap Measure, and on the Physical Uplink Shared Channel PUSCH of UE aperiodicity according to described Join on the described non-present residence sub-band specified that instruction in uplink authorization control information will be measured Examine the CQI feedback of signal to described base station；Wherein, need between described measurement as described UE When receiving downlink data in gap, described base station is raised at the described non-present residence sub-band specified Degree UE receives descending；And described UE surveys on the non-present residence sub-band specified of described measurement Amount CQI.

7. a user equipment (UE), it is characterised in that including:

First measuring unit, for according to the measurement gap pre-seted, in described measurement gap Channel quality indicator (CQI) is calculated after measuring the reference signal on the non-present residence sub-band specified；

UE the most according to claim 7, it is characterised in that described UE also includes:

First receives unit, for receiving described base station by special radio resource control RRC The measurement of the CQI that signaling or broadcast message send and the configuration information of feedback.

UE the most according to claim 7, it is characterised in that

Described first feedback unit, is additionally operable to go physically control periodicity on channel PUCCH The measurement according to each subband in the measurement of described CQI and the configuration information of feedback and feed back suitable The CQI of reference signal on the non-present residence sub-band specified that sequence feedback is measured；Wherein, institute is worked as State UE need in described measurement gap receive downlink data time, described base station is in described measurement Dispatch described UE on the non-present residence sub-band specified and receive descending；And described UE is in described survey CQI is measured on the non-present residence sub-band specified of amount.

First receive unit, for receive described base station send carry the described UE specified non-work as The uplink authorization of the identification information of front residence sub-band controls the trigger message of information；

Described first feedback unit, is additionally operable on the Physical Uplink Shared Channel PUSCH of UE Aperiodicity according in described uplink authorization control information instruction by measure described specify non- On current residence sub-band, the CQI feedback of reference signal gives described base station；Wherein, as described UE When needing to receive downlink data in described measurement gap, described base station described specify non- Dispatch UE on current residence sub-band and receive descending；And described UE described measurement specify non- CQI is measured on current residence sub-band.

11. 1 kinds of channel quality indicator (CQI) processing systems, it is characterised in that include UE and Base station, wherein,

Described UE, for according to the measurement gap pre-seted, measures in described measurement gap and specifies Non-present residence sub-band on reference signal after calculate CQI, and by calculate gained CQI anti- Feed base station；Described measurement gap is the arbitrary appointment time period before feedback CQI opportunity, and Under in described measurement gap, described base station will not be dispatched on subband the most resident for described UE OK；Wherein, the residence sub-band of described UE refers to the special work frequency selected when UE is initially accessed Section, or need not described base station special instructions and give tacit consent to UE receive downlink data time work frequency Section；

The measurement gap that described base station pre-sets for the basis receiving UE feedback, in described measurement The CQI of the reference signal on the non-present residence sub-band specified measured in gap；Described measurement Gap is the arbitrary appointment time period before feedback CQI opportunity, and institute in described measurement gap State base station will not on subband the most resident for described UE dispatching downlink；Wherein, described UE Residence sub-band refers to the special working frequency range selected when UE is initially accessed, or need not described base station Special instructions and give tacit consent to UE receive downlink data time working frequency range.

12. 1 kinds of channel quality indicator (CQI) processing methods, described method is applied to subscriber equipment UE in a scheduling interval TTI can only reference signal in receiving portion system frequency range, it is special Levying and be, described method includes:

UE measures reference signal on current residence sub-band in non-measured gap and is pre-seting Measure to calculate respectively after reference signal on the non-present subband that measurement is specified in gap and described currently stay Stay the CQI of reference signal on the CQI of reference signal on subband and the described non-present subband specified, And by calculate gained described current residence sub-band on reference signal CQI and described specify non- On current sub-band, the CQI feedback of reference signal is to base station；

Described measurement gap is the arbitrary appointment time period before feedback CQI opportunity, and described survey Amount gap in described base station will not on subband the most resident for described UE dispatching downlink；Wherein, The residence sub-band of described UE refers to the special working frequency range selected when UE is initially accessed, or is not required to Want described base station special instructions and give tacit consent to UE receive downlink data time working frequency range.

13. according to method described in claim 12, it is characterised in that described UE is in non-measured Measure on current residence sub-band reference signal and measuring in the measurement gap pre-seted in gap to refer to Reference signal on described current residence sub-band is calculated after reference signal respectively on fixed non-present subband CQI and the described non-present subband specified on the CQI of reference signal, and calculate the institute of gained State on the CQI of reference signal on current residence sub-band and the described non-present subband specified with reference to letter Number CQI feedback to base station before, described method also includes:

14. according to method described in claim 12, it is characterised in that the measurement of described CQI and The configuration information of feedback, including the measurement of subband each in system bandwidth during periodic feedback with feed back suitable Sequence, subframe according to periodic report CQI, the described measurement gap determined.

15. according to method described in claim 12, it is characterised in that the measurement of described CQI and The configuration information of feedback, also include the Physical Resource Block PRB that subband comprises in system bandwidth Number, and/or the number of the subband comprised in a zone.

16. according to method described in claim 12, it is characterised in that described UE is in non-measured Measure on current residence sub-band reference signal and measuring in the measurement gap pre-seted in gap to refer to Reference signal on described current residence sub-band is calculated after reference signal respectively on fixed non-present subband CQI and the described non-present subband specified on the CQI of reference signal, and calculate the institute of gained State on the CQI of reference signal on current residence sub-band and the described non-present subband specified with reference to letter Number CQI feedback include to base station:

Described UE measures on current residence sub-band reference signal in non-measured gap and is presetting The CQI of reference signal on the non-present subband specified is measured, physically in the measurement gap put Row controls on channel PUCCH periodically according to measurement and the configuration letter of feedback of described CQI On the described non-present subband specified that the measurement of each subband in breath and feedback order feedback are measured The CQI of reference signal on the CQI of reference signal and described current residence sub-band；Wherein, institute is worked as State UE need in described measurement gap receive downlink data time, described base station is in described measurement Dispatch described UE on the non-present subband specified and receive descending；And described UE is in described measurement CQI is measured on the non-present subband specified.

17. according to method described in claim 12, it is characterised in that described UE is in non-measured Measure on current residence sub-band reference signal and measuring in the measurement gap pre-seted in gap to refer to Reference signal on described current residence sub-band is calculated after reference signal respectively on fixed non-present subband CQI and the described non-present subband specified on the CQI of reference signal, and calculate the institute of gained State on the CQI of reference signal on current residence sub-band and the described non-present subband specified with reference to letter Number CQI feedback to base station before, described method also includes:

Described UE receive described base station send carry the described resident son of UE non-present specified After the uplink authorization of the identification information of band controls the trigger message of information, in described measurement gap Measure, and on the Physical Uplink Shared Channel PUSCH of UE aperiodicity according to described Reference signal on the described current residence sub-band that instruction in uplink authorization control information will be measured On CQI and the described non-present residence sub-band specified, the CQI feedback of reference signal gives described base station； Wherein, when described UE needs to receive downlink data in described measurement gap, described base station exists Dispatch UE on the non-present residence sub-band specified of described measurement and receive descending；And described UE exists CQI is measured on the non-present residence sub-band specified of described measurement.

18. 1 kinds of user equipment (UE)s, it is characterised in that including:

3rd measuring unit, for measuring on current residence sub-band with reference to letter in non-measured gap Number and measure on the non-present subband specified after reference signal respectively measuring in gap of pre-seting Calculate the channel quality indicator (CQI) of reference signal on described current residence sub-band and described specify The CQI of reference signal on non-present subband；

19. according to UE described in claim 18, it is characterised in that described UE also includes:

3rd receives unit, for receiving described base station by special radio resource control RRC The measurement of the CQI that signaling or broadcast message send and the configuration information of feedback.

20. according to UE described in claim 18, it is characterised in that

Described 3rd feedback unit, is additionally operable to go physically control periodicity on channel PUCCH The measurement according to each subband in the measurement of described CQI and the configuration information of feedback and feed back suitable The CQI of reference signal and described currently stay on the described non-present subband specified that sequence feedback is measured Stay the CQI of reference signal on subband；Wherein, need to connect in described measurement gap as described UE When receiving downlink data, described base station is dispatched described on the non-present subband specified of described measurement UE receives descending；And described UE measures CQI on the non-present subband specified of described measurement.

21. according to UE described in claim 18, it is characterised in that described UE also includes:

3rd receive unit, for receive described base station send carry the described UE specified non-work as The uplink authorization of the identification information of front residence sub-band controls the trigger message of information；

Described 3rd feedback unit, is additionally operable to measure in described measurement gap, and at UE Physical Uplink Shared Channel PUSCH on aperiodicity according in described uplink authorization control information Instruction will measure described current residence sub-band on reference signal CQI and described specify non- On current residence sub-band, the CQI feedback of reference signal gives described base station；Wherein, as described UE When needing to receive downlink data in described measurement gap, described base station is in the appointment of described measurement Non-present residence sub-band on dispatch UE receive descending；And described UE is in the appointment of described measurement Non-present residence sub-band on measure CQI.

22. 1 kinds of channel quality indicator (CQI) processing systems, it is characterised in that include UE and Base station, wherein,

Described UE for measure in non-measured gap on current residence sub-band reference signal and Measure in the measurement gap pre-seted and calculate institute respectively after reference signal on the non-present subband specified State on the CQI of reference signal on current residence sub-band and the described non-present subband specified with reference to letter Number CQI, and the CQI of reference signal and institute on the described current residence sub-band of gained will be calculated State on the non-present subband specified the CQI feedback of reference signal to base station；Described measurement gap is In arbitrary appointment time period, and described measurement gap before feedback CQI opportunity, described base station is not Meeting dispatching downlink on subband the most resident for described UE；Wherein, the residence sub-band of described UE Refer to the special working frequency range selected when UE is initially accessed, or need not described base station special instructions And give tacit consent to UE receive downlink data time working frequency range；

Described base station is the CQI of reference signal on the described current residence sub-band receiving UE feedback And the CQI of reference signal on the described non-present subband specified；Described measurement gap is feedback CQI Arbitrary appointment time period before opportunity, and described base station will not be in institute in described measurement gap State dispatching downlink on the most resident subband of UE；Wherein, the residence sub-band of described UE refers to The special working frequency range selected when UE is initially accessed, or need not described base station special instructions and write from memory Recognize working frequency range during UE reception downlink data.