CN110351869A - Method and device for measure channel state information - Google Patents
Method and device for measure channel state information Download PDFInfo
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- CN110351869A CN110351869A CN201910513198.6A CN201910513198A CN110351869A CN 110351869 A CN110351869 A CN 110351869A CN 201910513198 A CN201910513198 A CN 201910513198A CN 110351869 A CN110351869 A CN 110351869A
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- frequency band
- measurement frequency
- csi
- measurement
- equipment
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
Abstract
The present invention discloses a kind of for measuring the method and device of CSI, this method comprises: the first equipment determines the first measurement frequency band and the second measurement frequency band, the first measurement frequency band is for carrying out broadband CSI measurement, and the second measurement frequency band is for carrying out subband CSI measurement;It is measured in the enterprising line width band CSI of the first measurement frequency band;Subband CSI measurement is carried out on the second measurement frequency band.It is according to an embodiment of the present invention for measuring the method and device of CSI, the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, the dispatching efficiency of the network side equipment is can be improved, improve system performance and user experience.
Description
Technical field
The present embodiments relate to the communications fields, and more particularly, to the method for measure channel state information
And device.
Background technique
In a wireless communication system, in order to improve the dispatching efficiency of base station, user equipment (User Equipment, UE) is needed
The measurement knot wanted measure channel state information (Channel State-Information, CSI), and report CSI to measure to base station
Fruit, in this way, the base station can carry out scheduling of resource according to the CSI measurement result that the UE is reported, wherein the CSI measurement that UE is reported
It as a result include broadband CSI and subband CSI, wherein broadband CSI measures entire downlink system bandwidth for the UE obtained
CSI, subband CSI measure subband some or all of included by entire downlink system bandwidth for UE obtained respectively
CSI。
Summary of the invention
The embodiment of the present invention provides a kind of for measuring the method and device of CSI, also can be realized broadband CSI and subband
The measurement of CSI.
In a first aspect, providing a kind of method for measuring CSI, comprising: the first equipment determine the first measurement frequency band and
Second measurement frequency band, the first measurement frequency band is for carrying out broadband CSI measurement, and the second measurement frequency band is for carrying out subband CSI
Measurement, wherein the bandwidth of the first measurement frequency band is less than downstream transmission bandwidth and the first measurement frequency band and the second measurement frequency
Band not exclusively overlapping;It is measured in the enterprising line width band CSI of the first measurement frequency band;The measurement knot obtained according to broadband CSI measurement
Fruit carries out subband CSI measurement on the second measurement frequency band.
With reference to first aspect, in the first possible implementation, the broadband CSI measurement include following measurement in extremely
One item missing: order instruction RI measurement, broadband channel quality instruction CQI measurement and broadband precoding instruction PMI measurement.
In conjunction with above-mentioned possible implementation, in the second possible implementation, the first measurement frequency band and this
Two measurement frequency bands are not exclusively overlapped, comprising: the first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or first survey
The partial-band measured in frequency band is Chong Die with the partial-band in the second measurement frequency band;Or the first measurement frequency band is second survey
Measure a part of frequency band.
In conjunction with above-mentioned possible implementation, in the third possible implementation, the determination first measure frequency band and
Second measurement frequency band, comprising: the CSI measurement frequency band sent according to network side equipment indicates information, determines the first measurement frequency band
At least one of frequency band is measured with second.
In conjunction with the third possible implementation, in the fourth possible implementation, this sends out according to network side equipment
The CSI measurement frequency band instruction information sent, determines at least one of the first measurement frequency band and the second measurement frequency band, comprising: root
The CSI measurement frequency band sent according to the network side equipment indicates information, and determining from least two first candidate measurement frequency bands should
First measurement frequency band;And/or the CSI measurement frequency band sent according to the network side equipment indicates information, from least two second
The second measurement frequency band is determined in candidate's measurement frequency band.
In conjunction with the third possible implementation, in a fifth possible implementation, which measures frequency band instruction letter
Breath includes at least one of following message: the first adjustment band information and second adjustment band information, this sets according to network side
The CSI measurement frequency band that preparation is sent indicates information, determines at least one of the first measurement frequency band and the second measurement frequency band, packet
Include: the corresponding band bandwidth of the first adjustment band information carries out broadband to the last time according to determining the first measurement frequency band
Measurement frequency band used by CSI measurement is adjusted rear frequency band obtained;And/or it should according to the determining second measurement frequency band
The corresponding frequency bandwidth of second adjustment band information carries out measurement frequency band used by subband CSI measurement to the last time and is adjusted
Frequency band obtained afterwards.
In conjunction with any possible implementation in second to the 5th kind possible implementation, in the 6th kind of possibility
Implementation in, the CSI measure frequency band instruction information be semi-static signaling or dynamic signaling.
In conjunction with above-mentioned possible implementation, in the 7th kind of possible implementation, if the UE is configured at least one
A CSI process, at least one CSI process correspond to identical first measurement frequency band and identical second measurement frequency band;Or this is extremely
A few CSI process corresponds to the first CSI process and second in identical first measurement frequency band and at least one CSI process
CSI process corresponds to the second different measurement frequency bands;Or at least one CSI process correspond to it is identical second measurement frequency band and this extremely
The first CSI process and the 2nd CSI process in a few CSI process correspond to the first different measurement frequency bands.
In conjunction with above-mentioned possible implementation, in the 8th kind of possible implementation, if the UE is configured at least two
A sub-frame set, at least two sub-frame set correspond to identical first measurement frequency band and identical second measurement frequency band;Or it should
At least two sub-frame sets correspond to it is identical first measurement frequency band and at least two sub-frame set in the first sub-frame set and
Second sub-frame set corresponds to the second different measurement frequency bands;Or at least two sub-frame set corresponds to identical second measurement frequency band
And the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
It is enterprising in the first measurement frequency band in the 9th kind of possible implementation in conjunction with above-mentioned possible implementation
Before line width band CSI measurement, this method further include: receive the CSI that network side equipment is sent and report instruction information, which reports
Instruction information is used to indicate first equipment and reports CSI to the network side equipment;It should be in the first measurement enterprising line width band of frequency band
CSI measurement, comprising: instruction information is reported according to the CSI, is measured in the enterprising line width band CSI of the first measurement frequency band;
This method further include: measurement result and the subband CSI measurement for reporting broadband CSI to measure to the network side equipment
Measurement result.
Second aspect provides a kind of method for measure channel state information CSI, comprising: network side equipment determines
First equipment carries out the CSI used when CSI measurement measurement frequency band, and it includes at least one of following frequency band which, which measures frequency band:
The second measurement frequency band for carrying out the first measurement frequency band of broadband CSI measurement and for carrying out subband CSI measurement, wherein should
The bandwidth of first measurement frequency band is less than downstream transmission bandwidth and the first measurement frequency band and the second measurement frequency band are not exclusively be overlapped;
CSI measurement frequency band, which is sent, to first equipment indicates that information, CSI measurement frequency band instruction information are used to indicate CSI measurement frequency
Band.
In conjunction with second aspect, in the first possible implementation, the broadband CSI measurement include following measurement in extremely
One item missing: order instruction RI measurement, broadband channel quality instruction CQI measurement and broadband precoding instruction PMI measurement.
In conjunction with above-mentioned possible implementation, in the second possible implementation, the first measurement frequency band and this
Two measurement frequency bands are not exclusively overlapped, comprising: the first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or first survey
The partial-band measured in frequency band is Chong Die with the partial-band in the second measurement frequency band;Or the first measurement frequency band is second survey
Measure a part of frequency band.
In conjunction with above-mentioned possible implementation, in the third possible implementation, which carries out CSI
The CSI measurement frequency band used when measurement, comprising: determined from least two first candidate CSI of first equipment measurement frequency band
First equipment carries out the use when RI measurement first measurement frequency band;And/or at least two second candidates from first equipment
The the second measurement frequency band used when first equipment carries out subband CSI measurement is determined in CSI measurement frequency band.
In conjunction with above-mentioned possible implementation, in the fourth possible implementation, which measures frequency band and indicates information
Including at least one of following message: the first adjustment band information and second adjustment band information, wherein the first adjustment frequency
It is first equipment according to the corresponding band bandwidth of the first adjustment band information that information, which is used to indicate the first measurement frequency band,
Measurement frequency band used by broadband CSI measurement is carried out to the last time and is adjusted rear frequency band obtained, the second adjustment frequency band
It is first equipment according to the corresponding band bandwidth pair of second adjustment band information that information, which is used to indicate the second measurement frequency band,
Last time carries out measurement frequency band used by subband CSI measurement and is adjusted rear frequency band obtained.
In conjunction with above-mentioned possible implementation, in a fifth possible implementation, which measures frequency band and indicates information
For semi-static signaling or dynamic signaling.
In conjunction with above-mentioned possible implementation, in a sixth possible implementation, if the UE is configured at least one
A CSI process, at least one CSI process correspond to identical first measurement frequency band and identical second measurement frequency band;Or this is extremely
A few CSI process corresponds to the first CSI process and second in identical first measurement frequency band and at least one CSI process
CSI process corresponds to the second different measurement frequency bands;Or at least one CSI process correspond to it is identical second measurement frequency band and this extremely
The first CSI process and the 2nd CSI process in a few CSI process correspond to the first different measurement frequency bands.
In conjunction with above-mentioned possible implementation, in the 7th kind of possible implementation, if the UE is configured at least two
A sub-frame set, at least two sub-frame set correspond to identical first measurement frequency band and identical second measurement frequency band;Or it should
At least two sub-frame sets correspond to it is identical first measurement frequency band and at least two sub-frame set in the first sub-frame set and
Second sub-frame set corresponds to the second different measurement frequency bands;Or at least two sub-frame set corresponds to identical second measurement frequency band
And the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
In conjunction with above-mentioned possible implementation, in the 8th kind of possible implementation, this method further include: to this first
Equipment sends CSI and reports instruction information, which reports instruction information to be used to indicate first equipment and report CSI;Receive this first
Equipment reports instruction information and CSI measurement frequency band to refer to that information carries out the measurement result of CSI measurement according to the CSI.
The third aspect provides a kind of device for measure channel state information CSI, comprising: determining module, for true
Fixed first measurement frequency band and the second measurement frequency band, the first measurement frequency band is for carrying out broadband CSI measurement, the second measurement frequency band
For carrying out subband CSI measurement, wherein the bandwidth of the first measurement frequency band is less than downstream transmission bandwidth and the first measurement frequency band
It is not exclusively be overlapped with the second measurement frequency band;First measurement module, the first measurement frequency band for being determined in the determining module
Enterprising line width band CSI is measured;Second measurement module, for carrying out what CSI measurement in the broadband obtained according to first measurement module
Measurement result carries out subband CSI measurement on the second measurement frequency band.
In conjunction with the third aspect, in the first possible implementation, the broadband CSI measurement include following measurement in extremely
One item missing: order instruction RI measurement, broadband channel quality instruction CQI measurement and broadband precoding instruction PMI measurement.
In conjunction with above-mentioned possible implementation, in the second possible implementation, the first measurement frequency band and this
Two measurement frequency bands are not exclusively overlapped, comprising: the first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or first survey
The partial-band measured in frequency band is Chong Die with the partial-band in the second measurement frequency band;Or the first measurement frequency band is second survey
Measure a part of frequency band.
In conjunction with above-mentioned possible implementation, in the third possible implementation, which is specifically used for root
The CSI measurement frequency band sent according to network side equipment indicates information, determines in the first measurement frequency band and the second measurement frequency band extremely
Few one kind.
In conjunction with the third possible implementation, in the fourth possible implementation, which includes: first
Determination unit, the CSI measurement frequency band for being sent according to the network side equipment indicate information, from least two first candidate surveys
It measures and determines the first measurement frequency band in frequency band;And/or second determination unit, the CSI for being sent according to the network side equipment
It measures frequency band and indicates information, the second measurement frequency band is determined from least two second candidate measurement frequency bands.
In conjunction with the third possible implementation, in a fifth possible implementation, which measures frequency band instruction letter
Breath includes at least one of following message: the first adjustment band information and second adjustment band information, the determining module include:
Third determination unit, for determine this first measurement frequency band according to the corresponding band bandwidth of the first adjustment band information to
The primary used measurement frequency band of broadband CSI measurement that carries out is adjusted rear frequency band obtained;And/or the 4th determination unit,
Subband is carried out to the last time for the corresponding frequency bandwidth of second adjustment band information according to determining the second measurement frequency band
Measurement frequency band used by CSI measurement is adjusted rear frequency band obtained.
In conjunction with any possible implementation in second to the 5th kind possible implementation, in the 6th kind of possibility
Implementation in, the CSI measure frequency band instruction information be semi-static signaling or dynamic signaling.
In conjunction with above-mentioned possible implementation, in the 7th kind of possible implementation, if the UE is configured at least one
A CSI process, at least one CSI process correspond to identical first measurement frequency band and identical second measurement frequency band;Or this is extremely
A few CSI process corresponds to the first CSI process and second in identical first measurement frequency band and at least one CSI process
CSI process corresponds to the second different measurement frequency bands;Or at least one CSI process correspond to it is identical second measurement frequency band and this extremely
The first CSI process and the 2nd CSI process in a few CSI process correspond to the first different measurement frequency bands.
In conjunction with above-mentioned possible implementation, in the 8th kind of possible implementation, if the UE is configured at least two
A sub-frame set, at least two sub-frame set correspond to identical first measurement frequency band and identical second measurement frequency band;Or it should
At least two sub-frame sets correspond to it is identical first measurement frequency band and at least two sub-frame set in the first sub-frame set and
Second sub-frame set corresponds to the second different measurement frequency bands;Or at least two sub-frame set corresponds to identical second measurement frequency band
And the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
In conjunction with above-mentioned possible implementation, in the 9th kind of possible implementation, the device further include: receive mould
Block, for before the enterprising line width band CSI measurement of the first measurement frequency band, receiving network side equipment hair in first measurement module
The CSI sent reports instruction information, which reports instruction information to be used to indicate first equipment and report CSI to the network side equipment;
First measurement module is specifically used for reporting instruction information according to the received CSI of the receiving module, in the first measurement frequency band
Enterprising line width band CSI is measured;The device further include: reporting module, for reporting first measurement module to the network side equipment
The measurement result and second measurement module that carry out broadband CSI measurement carry out the measurement result of subband CSI measurement.
Fourth aspect provides a kind of device for measure channel state information CSI, comprising: determining module, for true
Fixed first equipment carries out the CSI used when CSI measurement measurement frequency band, and CSI measurement frequency band includes at least one in following frequency band
Kind: the second measurement frequency band for carrying out the first measurement frequency band of broadband CSI measurement and for carrying out subband CSI measurement, wherein
The bandwidth of the first measurement frequency band is less than downstream transmission bandwidth and the first measurement frequency band and the second measurement endless full weight of frequency band
It is folded;Sending module indicates that information, CSI measurement frequency band instruction information are used for for sending CSI measurement frequency band to first equipment
Indicate the CSI measurement frequency band that the determining module determines.
In conjunction with fourth aspect, in the first possible implementation, the broadband CSI measurement include following measurement in extremely
One item missing: order instruction RI measurement, broadband channel quality instruction CQI measurement and broadband precoding instruction PMI measurement.
In conjunction with above-mentioned possible implementation, in the second possible implementation, the first measurement frequency band and this
Two measurement frequency bands are not exclusively overlapped, comprising: the first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or first survey
The partial-band measured in frequency band is Chong Die with the partial-band in the second measurement frequency band;Or the first measurement frequency band is second survey
Measure a part of frequency band.
In conjunction with above-mentioned possible implementation, in the third possible implementation, which is specifically used for: from
First used when first equipment carries out RI measurement is determined in at least two first candidate CSI measurement frequency band of first equipment
Measure frequency band;And/or determine that first equipment carries out son from least two second candidate CSI of first equipment measurement frequency band
The the second measurement frequency band used when with CSI measurement.
In conjunction with above-mentioned possible implementation, in the fourth possible implementation, which measures frequency band and indicates information
Including at least one of following message: the first adjustment band information and second adjustment band information, wherein the first adjustment frequency
It is first equipment according to the corresponding band bandwidth of the first adjustment band information that information, which is used to indicate the first measurement frequency band,
Measurement frequency band used by broadband CSI measurement is carried out to the last time and is adjusted rear frequency band obtained, the second adjustment frequency band
It is first equipment according to the corresponding band bandwidth pair of second adjustment band information that information, which is used to indicate the second measurement frequency band,
Last time carries out measurement frequency band used by subband CSI measurement and is adjusted rear frequency band obtained.
In conjunction with above-mentioned possible implementation, in a fifth possible implementation, which measures frequency band and indicates information
For semi-static signaling or dynamic signaling.
In conjunction with above-mentioned possible implementation, in a sixth possible implementation, if the UE is configured at least one
A CSI process, at least one CSI process correspond to identical first measurement frequency band and identical second measurement frequency band;Or this is extremely
A few CSI process corresponds to the first CSI process and second in identical first measurement frequency band and at least one CSI process
CSI process corresponds to the second different measurement frequency bands;Or at least one CSI process correspond to it is identical second measurement frequency band and this extremely
The first CSI process and the 2nd CSI process in a few CSI process correspond to the first different measurement frequency bands.
In conjunction with above-mentioned possible implementation, in the 7th kind of possible implementation, if the UE is configured at least two
A sub-frame set, at least two sub-frame set correspond to identical first measurement frequency band and identical second measurement frequency band;Or it should
At least two sub-frame sets correspond to it is identical first measurement frequency band and at least two sub-frame set in the first sub-frame set and
Second sub-frame set corresponds to the second different measurement frequency bands;Or at least two sub-frame set corresponds to identical second measurement frequency band
And the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
In conjunction with above-mentioned possible implementation, in the 8th kind of possible implementation, which is also used to this
First equipment sends CSI and reports instruction information, which reports instruction information to be used to indicate first equipment and report CSI;The device
Further include: receiving module reports instruction information and is somebody's turn to do for receiving first equipment according to the CSI that the sending module is sent
CSI measurement frequency band refers to that information carries out the measurement result of CSI measurement.
Based on the above-mentioned technical proposal, provided in an embodiment of the present invention for measuring the method and device of CSI, the first equipment exists
The enterprising line width band CSI of the first measurement frequency band that bandwidth is less than downstream transmission bandwidth is measured, and incomplete with the first measurement frequency band
Subband CSI measurement is carried out on second measurement frequency band of overlapping, can obtain the measurement result of broadband CSI and subband CSI, and can be with
The measurement result is further reported to network side equipment, so that the network side equipment can be reported according to first equipment
Measurement result is scheduled first equipment, to cannot obtain CSI measurement result that UE is reported relative to base station and carry out
The scheme of scheduling can be improved the dispatching efficiency of the network side equipment, improve system performance and user experience.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to the embodiment of the present invention or the prior art
Attached drawing needed in description is briefly described, it should be apparent that, drawings described below is only of the invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the schematic flow chart of the method for measuring CSI of the embodiment of the present invention.
Fig. 2 is another schematic flow chart of the method for measuring CSI of the embodiment of the present invention.
Fig. 3 is the bandwidth assignment schematic diagram in the method for measuring CSI of the embodiment of the present invention.
Fig. 4 is the schematic block diagram of the device for measuring CSI of the embodiment of the present invention.
Fig. 5 is the schematic block diagram of the device for measuring CSI of another embodiment of the present invention.
Fig. 6 is the schematic block diagram of the device for measuring CSI of yet another embodiment of the invention.
Fig. 7 is the schematic block diagram of the device for measuring CSI of yet another embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work
Example is applied, all should belong to the scope of protection of the invention.
It should be understood that the technical solution of the embodiment of the present invention can be applied to various communication systems, and such as: global system for mobile telecommunications
(Global System of Mobile communication, referred to as " GSM ") system, CDMA (Code
Division Multiple Access, referred to as " CDMA ") system, wideband code division multiple access (Wideband Code
Division Multiple Access, referred to as " WCDMA ") system, General Packet Radio Service (General Packet
Radio Service, referred to as " GPRS "), long term evolution (Long Term Evolution, referred to as " LTE ") system, LTE
Frequency division duplex (Frequency Division Duplex, referred to as " FDD ") system, LTE time division duplex (Time Division
Duplex, referred to as " TDD "), Universal Mobile Communication System (Universal Mobile Telecommunication
System, referred to as " UMTS "), global interconnection inserting of microwave (Worldwide Interoperability for
Microwave Access, referred to as " WiMAX ") communication system etc..
It should also be understood that in embodiments of the present invention, user equipment (User Equipment, referred to as " UE ") can be referred to as
Terminal (Terminal), mobile station (Mobile Station, referred to as " MS "), mobile terminal (Mobile Terminal) etc.,
The user equipment can be through wireless access network (Radio Access Network, referred to as " RAN ") and one or more cores
Net is communicated, for example, user equipment can be mobile phone (or being " honeycomb " phone), the computer with mobile terminal
Deng, for example, user equipment can also be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device,
They exchange voice and/or data with wireless access network.
It should also be understood that in embodiments of the present invention, base station can be the base station (Base in GSM or CDMA
Transceiver Station, referred to as " BTS "), it is also possible to the base station (NodeB) in WCDMA, can also be in LTE
Evolved base station (evolved Node B, referred to as " eNB " or " e-NodeB "), the present invention is to this and is not construed as limiting.
It is mainly used in provided by the present invention for measurement CSI method and device and is surveyed in the enterprising line width band CSI of a carrier wave
The scene of amount and subband CSI measurement, but also can be applied to other scenes, the embodiment of the present invention is not construed as limiting this.
Fig. 1 shows according to an embodiment of the present invention for measuring the schematic flow chart of the method 100 of CSI, this method
It can be executed by the first equipment, wherein first equipment can be UE, but the embodiment of the present invention is without being limited thereto.As shown in Figure 1,
This method 100 includes:
S110, the first equipment determine the first measurement frequency band and the second measurement frequency band, and the first measurement frequency band is for carrying out width
Band CSI is measured, and the second measurement frequency band is for carrying out subband CSI measurement, wherein the bandwidth of the first measurement frequency band is less than downlink
Transmission bandwidth and this first measurement frequency band with this second measure frequency band it is not exclusively be overlapped.
The downstream transmission bandwidth can be downlink system bandwidth, optionally, if first equipment is UE, the downlink transfer
Bandwidth can carry out the bandwidth of downlink transfer between at least one serving cell and UE of the UE, wherein the carry out downlink biography
Defeated bandwidth can be less than downlink system bandwidth;Or the downstream transmission bandwidth is that another UE and UE carries out equipment and equipment
Transmission bandwidth when (Device to Device, D2D) is communicated, but the embodiment of the present invention is without being limited thereto.
The first measurement frequency band is for carrying out broadband CSI measurement, and optionally, broadband CSI measurement may include following survey
At least one of in amount: order instruction (Rank Indicator, RI) measurement, broadband precoding matrix indicate (Pre-coding
Matrix Indicator, PMI) it measures and is surveyed with broadband channel quality instruction (Channel Quality Indicator, CQI)
Amount, correspondingly, the first measurement frequency band are used to carry out at least one in following measurement: RI measurement, broadband PMI measurement and broadband
CQI measurement.Preferably, which can be used for carrying out RI measurement and/or broadband PMI measurement, but the present invention is implemented
Example is without being limited thereto.
The second measurement frequency band is for carrying out subband CSI measurement, wherein subband CSI measurement may include following measurement
At least one of in: subband PMI measurement and subband CQI measurement.Optionally, which may include at least two sons
Band, and the second measurement frequency band can be downlink system bandwidth or a part of downlink system bandwidth, but the embodiment of the present invention is not
It is limited to this.
The first measurement frequency band is reference resources of the broadband CSI on frequency domain, each subband in the second measurement frequency band
For the corresponding CSI of the subband frequency domain reference resources.
S120 is measured in the enterprising line width band CSI of the first measurement frequency band.
The first measurement frequency band enterprising line width band PMI measurement can refer to first equipment assume downlink transfer this first
Broadband PMI is selected when on measurement frequency band from code book, and above-mentioned selection may include first equipment according in first survey
The selection that the channel measured on amount frequency band carries out;The first measurement frequency band enterprising line width band CQI measurement can refer to this first
Equipment assumes that downlink transfer calculates broadband CQI when on the first measurement frequency band;RI survey is carried out on the first measurement frequency band
Amount can refer to that first equipment assumes that downlink transfer obtains RI when on the first measurement frequency band or obtains RI and PMI, but this hair
Bright embodiment is without being limited thereto.
Optionally, UE, which carries out broadband CSI measurement, to be transient measurement, for example, being measured in a subframe, or should
UE carries out broadband CSI measurement respectively over multiple subframes and the measurement result in multiple subframe is carried out statistical disposition, but this
Inventive embodiments are without being limited thereto.
S130 carries out subband CSI survey on the second measurement frequency band according to the measurement result that CSI measurement in the broadband obtains
Amount.
Wherein, which may include multiple subbands, and correspondingly, first equipment is in the second measurement frequency band
Upper progress subband CSI measurement may include at least one of first equipment in multiple subbands that the second measurement frequency band includes
Subband CSI measurement is carried out on height band.First equipment can be measured according to RI and/or the measurement result of broadband PMI measurement,
Subband CSI measurement is carried out on the second measurement frequency band;The measurement result that can also be measured according to broadband CQI, in second measurement
Subband CSI measurement is carried out on frequency band, but the embodiment of the present invention is without being limited thereto.
Optionally, it can be transient measurement that UE, which carries out subband CSI measurement, for example, carrying out subband CSI survey in a subframe
Amount, but the embodiment of the present invention is without being limited thereto.
Therefore, the method according to an embodiment of the present invention for measuring CSI, the first equipment are less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.
When the present invention is applied to Domain Dynamic interference control scene, for example, system is quiet using dynamic node in frequency domain
Silent, dynamic power control or dynamic interference coordination (such as interference radiating way coordination) technology, in the prior art, which exists
The entire enterprising line width band CSI and subband CSI of downlink system bandwidth is measured, however, due to the difference in entire downlink system bandwidth
The interference being subject in frequency range is different, will cause broadband CSI inaccuracy in the enterprising line width band CSI measurement of entire downlink system bandwidth,
And the measurement result that the measurement result inaccuracy of broadband CSI can further result in subband CSI is also inaccurate, to reduce base station base
In the efficiency that the CSI measurement result that UE is reported is scheduled, system performance and user experience are reduced.In embodiments of the present invention,
Optionally, which carries out the interference stability on the first measurement frequency band of broadband CSI measurement, i.e., the first measurement frequency band can
Think and interfere relatively stable frequency band, specifically, the disturbance fluctuation on the first measurement frequency band can be lower than certain threshold value, the threshold
Value can be pre-defined or is pre-configured with by network side equipment, for example, the first measurement frequency band is not carry out Domain Dynamic interference
The frequency band of control;Or the first measurement frequency band is that transmission mode that main interfered cell uses does not change or the transmission mode
Variation meets preset condition, and optionally, which may include difference of the transmission mode in Preset Transfer set of modes
Variation, etc. between element;Or the first measurement frequency band is the not changed frequency band of transmission mode that main interfered cell uses,
Wherein, which may include unicast or multicast etc., and the embodiment of the present invention is without being limited thereto;And the second measurement frequency band can
It to include the unstable frequency band of interference, that is, include the frequency band of interference dynamic change.In this way, compared with prior art, this first is set
The accuracy of standby obtained broadband CSI measurement result is higher, in addition, the first measurement frequency band and first equipment carry out subband
Second measurement frequency band of CSI measurement is not exclusively overlapped, and enabling to the subband CSI measurement result of first equipment includes more multifrequency
The information of band, to keep the comprehensive of the measurement result while improving the accuracy of CSI measurement result of first equipment
Property, the efficiency that the network side equipment is scheduled according to the CSI measurement result that first equipment reports is improved, system performance is improved
And user experience.
In embodiments of the present invention, which is a part of downlink system bandwidth, the second measurement frequency band
It can be downlink system bandwidth or a part of downlink system bandwidth, and the first measurement frequency band and the second measurement frequency band are endless
Full weight is folded, and optionally, bandwidth of the first measurement frequency band can be less than the bandwidth of the second measurement frequency band, in this way, this first sets
The standby measurement result that subband CSI measurement is carried out on the second measurement frequency band may include the information on more multiband, facilitate
The network side equipment is scheduled according to the CSI measurement result of first equipment, for example, it is assumed that downlink system bandwidth is 10MHz,
Then the bandwidth of the first measurement frequency band of first equipment can be 5MHz, and the bandwidth of the second measurement frequency band can be 7MHz;Or
Downlink system bandwidth is divided into 8 subbands, then the first measurement frequency band may include 2 subbands, and the second measurement frequency band can be with
Including 5 subbands;Or downlink system bandwidth includes 50 Physical Resource Block (Physical Resource Block, PRB),
Then the first measurement frequency band may include 10 PRB, and the second measurement frequency band may include 20 PRB, but the present invention is implemented
Example is without being limited thereto.
Optionally, the first measurement frequency band and the second measurement frequency band are not exclusively be overlapped, comprising:
The first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or
Partial-band in the first measurement frequency band is Chong Die with the partial-band in the second measurement frequency band;Or
The first measurement frequency band is a part of the second measurement frequency band.
Wherein, this first measurement frequency band can with this second measurement frequency band it is completely not be overlapped, i.e., this first measurement frequency band with
The second measurement frequency band is on frequency domain without intersection;Partial-band in the first measurement frequency band can also be with the second measurement frequency band
Partial-band overlapping, i.e. first measurement frequency band and the second measurement frequency band have an intersection on frequency domain, and the intersection be this
The subset of one measurement frequency band and the second measurement frequency band;Optionally, which may be the second measurement frequency band
Subset, it is preferable that the first measurement frequency band can be to interfere relatively stable frequency range, and the second measurement frequency band can be simultaneously
Frequency range including interfering relatively stable frequency range and interference dynamic change, the embodiment of the present invention are without being limited thereto.
First equipment can determine the first measurement frequency band and the second measurement frequency band in several ways, optionally,
At least one of the first measurement frequency band and the second measurement frequency band can be predefined;First equipment can also pass through
The mode of blind examination interference stability degree come determine this first measurement frequency band and/or this second measurement frequency band, for example, first equipment will
Interfere more stable frequency band as the first measurement frequency band, and using entire downlink system bandwidth as the second measurement frequency band;This first
At least one of measurement frequency band and the second measurement frequency band are also possible to according to the determination of the instruction information of network side equipment,
In, which is used to indicate first equipment and carries out the measurement frequency band used when CSI measurement, but the embodiment of the present invention is unlimited
In this.
Optionally, S110 determines the first measurement frequency band and the second measurement frequency band, comprising:
S110a, the CSI measurement frequency band sent according to network side equipment indicate information, determine the first measurement frequency band and the
At least one of two measurement frequency bands.
Wherein, which measures frequency band instruction information and is used to indicate the first measurement frequency band and/or the second measurement frequency band,
The network side equipment can be base station, but the embodiment of the present invention is without being limited thereto.First equipment can receive the network side equipment
Transmission CSI measurement frequency band indicate information, and according to the CSI measure frequency band instruction information determine this first measurement frequency band and/or
The second measurement frequency band.Optionally, which, which measures frequency band instruction information, can serve to indicate that the first CSI measures frequency band, and be somebody's turn to do
It is predefined that 2nd CSI measures frequency band;Or CSI measurement frequency band instruction information is used to indicate the 2nd CSI measurement frequency band, and this
It is predefined that one CSI measures frequency band;CSI measurement frequency band instruction information can be used for indicating the first measurement frequency band and this second
CSI measures frequency band, and correspondingly, which determines the first measurement frequency band according to CSI measurement frequency band instruction information and should
Second measurement frequency band, but the embodiment of the present invention is without being limited thereto.
Optionally, CSI measurement frequency band instruction information can be dominant or implicitly indicates the first measurement frequency band and/or be somebody's turn to do
Second measurement frequency band, by taking CSI measurement frequency band instruction information indicates the first measurement frequency band as an example, which measures frequency band instruction
Information can having to explicitly indicate the first measurement frequency band, can also be by indicating the first measurement frequency band in downlink system bandwidth
Supplementary set, come indicate this first measurement frequency band;The CSI measure frequency band instruction information can also by indicate the first adjustment frequency band,
Implicitly indicate the first measurement frequency band, wherein the first adjustment frequency band, which is used to indicate, is adjusted a certain reference band
Frequency band values, i.e., the frequency band that the first adjustment frequency band obtains after being adjusted to reference band according to the first measurement frequency band,
Optionally, which can be predefined, or the first equipment last time or preceding n times carry out broadband CSI measurement
The measurement frequency band of Shi Caiyong, the embodiment of the present invention are without being limited thereto.
Optionally, if first equipment receives the CSI measurement frequency band instruction information of network side equipment transmission, the CSI
Measuring frequency band instruction information includes at least one of following message: the first adjustment band information and second adjustment band information,
Correspondingly, S110a, the CSI measurement frequency band sent according to network side equipment indicate information, determine the first measurement frequency
At least one of band and the second measurement frequency band, comprising:
S111, the corresponding band bandwidth of the first adjustment band information is to the last time according to determining the first measurement frequency band
It carries out measurement frequency band used by broadband CSI measurement and is adjusted rear frequency band obtained;And/or
S112, the corresponding frequency bandwidth of second adjustment band information is to the last time according to determining the second measurement frequency band
It carries out measurement frequency band used by subband CSI measurement and is adjusted rear frequency band obtained.
Wherein, which is used to indicate first equipment in upper primary progress broadband CSI measurement when institute
How to be adjusted on the basis of the measurement frequency band of use, to obtain the first measurement frequency band.Optionally, the first adjustment frequency band
Information may include the first band adjusted value, and correspondingly, which can carry out the survey used when RI measurement for last time
The bandwidth for measuring frequency band adds the first band adjusted value, carries out the first of the broadband CSI measurement bandwidth for measuring frequency band as this,
The first band adjusted value can be positive number or negative, the measurement used corresponding to first equipment in last time progress RI measurement
The quantity of measurement frequency band is increased or decreased on the bandwidth base of frequency band, but the embodiment of the present invention is without being limited thereto;Optionally, the network
Side apparatus and first equipment can also make an appointment broadband CSI measurement measurement frequency band adjusting step, wherein the adjustment
Step-length can be definite value, also may rely on downlink system bandwidth, for example, if downlink system bandwidth is 10MHz, the adjustment
Step-length is 1MHz, and if downlink system bandwidth is 20MHz, which is 2MHz, and optionally, which can also
Think the size of a subband, but the embodiment of the present invention is without being limited thereto;Correspondingly, which may include this
The multiple of the adjusting step of frequency band, first equipment is using the product of the multiple and the step-length as the first band adjusted value.It can
Selection of land, as another embodiment, the adjusting step that can also there are multiple predefined or network side equipments to indicate, and the first adjustment
Band information can also indicate that this adjusting step used, but it is not limited in the embodiment of the present invention.
After first equipment determines the bandwidth of the first measurement frequency band, broadband can be carried out to last time in several ways
The measurement frequency band that CSI is used when measuring is adjusted, to determine the first measurement frequency band, wherein the mode of the adjustment can be
It is predefined, it is also possible to network side equipment instruction, optionally, the measurement frequency band which can use last time
One end fix and only adjust the other end, or the both ends of measurement frequency band used to last time adjust, for example, this first sets
The standby last measurement frequency band use when broadband CSI measurement is for 5MHz, and the first band adjusted value is 2MHz, then this
One equipment can remain unchanged the minimum frequency that the last time carries out broadband CSI measurement, and maximum frequency is increased 2MHz;Or it will
The maximum frequency that the last time carries out broadband CSI measurement remains unchanged, and the minimum frequency is reduced 2MHz;Or the last time is carried out
The minimum frequency of broadband CSI measurement reduces 1MHz and maximum frequency is increased 1MHz, but the embodiment of the present invention is without being limited thereto.
Similarly, which is used to indicate first equipment when upper primary progress subband CSI is measured
How to be adjusted on the basis of used measurement frequency band, to obtain the second measurement frequency band, the second adjustment band information
Realization can be found in the above-mentioned description to the first adjustment band information, for sake of simplicity, which is not described herein again.
Optionally, as another embodiment, which can also have at least two first candidate measurement frequency bands, and
The network side equipment can indicate first equipment by some first candidate survey in at least two first candidate measurement frequency band
Frequency band is measured as the first measurement frequency band;Similarly, which also can have at least two second candidate measurement frequency bands, and
The network side equipment can indicate first equipment by some second candidate survey in at least two second candidate measurement frequency band
Frequency band is measured as the second measurement frequency band, correspondingly, S110a, the CSI measurement frequency band sent according to network side equipment indicates information,
Determine at least one of the first measurement frequency band and the second measurement frequency band, comprising:
S113, the CSI measurement frequency band sent according to the network side equipment indicate information, from least two first candidate surveys
It measures and determines the first measurement frequency band in frequency band;And/or
S114, the CSI measurement frequency band sent according to the network side equipment indicate information, from least two second candidate surveys
It measures and determines the second measurement frequency band in frequency band.
Wherein, at least two first candidate measurement frequency band and/or at least two second candidate measurement frequency band can be
Predefined or network side equipment first passes through high-level signaling configuration in advance, and it is not limited in the embodiment of the present invention.
Optionally, it can be physical layer signaling or high-level signaling which, which measures frequency band instruction information, for example, downlink controls
Information (Downlink Control Information, DCI) or wireless heterogeneous networks (Radio Resource Control,
RRC), wherein can by increase newly or be multiplexed in the DCI at least one bit (for example, increasing 1~2 bit newly) come
Indicate that the first measurement frequency band and/or the second measurement frequency band, the RRC can be newly-increased signaling or the existing signaling of multiplexing.It should
Any one measurement frequency band in first measurement frequency band and the second measurement frequency band can by the network side equipment dynamic configuration or
Person is semi-statically configured, and correspondingly, it is semi-static signaling or dynamic signaling which, which measures frequency band instruction information, but the present invention is implemented
Example is without being limited thereto.
Optionally, as another embodiment, if first equipment is configured at least two CSI processes, this at least two
Each CSI process in a CSI process can correspond to one first measurement frequency band and one second measurement frequency band, wherein should
All CSI processes at least two CSI processes can correspond to identical first measurement frequency band and/or identical second measurement frequency
The the first measurement frequency band and/or the second measurement frequency band of band or each CSI process in at least two CSI process can be mutual
Independent, i.e. the first measurement frequency band of each CSI process in at least two CSI process and/or the second measurement frequency band can be mutual
First measurement frequency band of part CSI process not identical or in at least two CSI process and/or the second measurement frequency band are identical,
Correspondingly, if the UE is configured at least one CSI process, which corresponds to identical first measurement frequency band
With identical second measurement frequency band;Or
If the UE is configured at least one CSI process, which corresponds to identical first measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the second different measurement frequency bands;Or
If the UE is configured at least one CSI process, which corresponds to identical second measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the first different measurement frequency bands.
Optionally, which can be all in at least two CSI process by independent configuration signal
The first measurement frequency band of CSI process configuration and/or the second measurement frequency band, can also be further in at least two CSI process
Each CSI process separate configurations first measurement frequency band and/or the second measurement frequency band, the embodiment of the present invention is without being limited thereto.
Optionally, as another embodiment, if first equipment is configured at least two sub-frame sets, this at least two
Each sub-frame set in a sub-frame set can correspond to one first measurement frequency band and one second measurement frequency band, wherein
All sub-frame sets at least two sub-frame set can correspond to identical first measurement frequency band and/or identical second survey
The the first measurement frequency band and/or the second measurement frequency band for measuring frequency band or each sub-frame set at least two sub-frame set can
With mutually indepedent, i.e., the first measurement frequency band of each sub-frame set at least two sub-frame set and/or the second measurement frequency
Band can different or at least two sub-frame set part sub-frame set first measurement frequency band and/or second survey
It is identical to measure frequency band, correspondingly,
If the UE is configured at least two sub-frame sets, which corresponds to identical first measurement frequency
Band and identical second measurement frequency band;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical first measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the second different measurement frequency bands;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical second measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
Optionally, which can actively carry out broadband CSI measurement and subband CSI measurement, and measurement result is sent out
It send to network side equipment, correspondingly, this method 100 further include: the measurement knot for reporting broadband CSI to measure to the network side equipment
The measurement result of fruit and subband CSI measurement;Optionally, as another embodiment, which can also be according to the network
The instruction of side apparatus carries out broadband CSI measurement and subband CSI measurement, and by measurement result report network side apparatus, correspondingly,
Before S120, this method 100 further include:
S140 receives the CSI that network side equipment is sent and reports instruction information, which reports instruction information to be used to indicate this
First equipment reports broadband CSI and subband CSI to the network side equipment;
S120 is measured in the enterprising line width band CSI of the first measurement frequency band, comprising:
S121 reports instruction information according to the CSI, measures in the enterprising line width band CSI of the first measurement frequency band.
Wherein, the combination of first equipment and the network side equipment can for UE and base station, first base station and the second base station,
Or the first UE and the 2nd UE, but the embodiment of the present invention is without being limited thereto.
Therefore, the method according to an embodiment of the present invention for measuring CSI, the first equipment are less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.Further, control scene is interfered in Domain Dynamic
Under, the frequency band which can be relatively stable for interference, in this way, the CSI measurement result that first equipment obtains
Accuracy is higher, in addition, the first measurement frequency band and the second measurement frequency band that first equipment carries out subband CSI measurement are incomplete
Overlapping enables to the subband CSI measurement result of first equipment to include the information of more multiband, to first set improving this
Keep the comprehensive of the measurement result while accuracy of standby CSI measurement result, improve the network side equipment according to this
The efficiency that the CSI measurement result that one equipment reports is scheduled improves system performance and user experience;And network side equipment can
The interference information on each frequency band is learnt, to know which subband CSI measurement result that the UE is reported can provide for scheduling
Accurate information, and above-mentioned beneficial effect is more prominent in the case where first equipment only supports a CSI process.
Above in conjunction with Fig. 1, it is described in detail from the angle of the first equipment according to an embodiment of the present invention for measuring CSI
Method, it is according to an embodiment of the present invention for measuring CSI from the angle of network side equipment detailed description below in conjunction with Fig. 2
Method.
Fig. 2 shows according to an embodiment of the present invention for measuring the schematic flow chart of the method 200 of CSI, this method
It can be executed by network side equipment, optionally, which can be base station, as shown in Fig. 2, this method 200 includes:
S210, network side equipment determine the CSI measurement frequency band used when the first equipment carries out CSI measurement, CSI measurement frequency
Band includes at least one of following frequency band: for carrying out the first measurement frequency band of broadband CSI measurement and for carrying out subband CSI
Second measurement frequency band of measurement, wherein the bandwidth of the first measurement frequency band is less than downstream transmission bandwidth and the first measurement frequency band
It is not exclusively be overlapped with the second measurement frequency band;
S220 sends CSI measurement frequency band to first equipment and indicates information, and CSI measurement frequency band instruction information is for referring to
Show that the CSI measures frequency band.
Therefore, the method according to an embodiment of the present invention for measuring CSI, the first equipment are less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.
In embodiments of the present invention, it includes that the first measurement frequency band and/or second measure frequency band, and the net that CSI, which measures frequency band,
Network side apparatus measures frequency band by CSI and indicates that information indicates that the CSI measures frequency band to first equipment, that is, indicates first measurement
Frequency band and/or the second measurement frequency band.Wherein, which can having to explicitly indicate that the CSI measures frequency band, can also be recessive
Ground indicates that the CSI measures frequency band, but it is not limited in the embodiment of the present invention.
When the present invention is applied to Domain Dynamic interference control scene, for example, system is quiet using dynamic node in frequency domain
Silent, dynamic power control or dynamic interference coordination (such as interference radiating way coordination) technology, in the prior art, which exists
The entire enterprising line width band CSI and subband CSI of downlink system bandwidth is measured, however, due to the difference in entire downlink system bandwidth
The interference being subject in frequency range is different, will cause broadband CSI inaccuracy in the enterprising line width band CSI measurement of entire downlink system bandwidth,
And the measurement result that the measurement result inaccuracy of broadband CSI can further result in subband CSI is also inaccurate, to reduce base station base
In the efficiency that the CSI measurement result that UE is reported is scheduled, system performance and user experience are reduced.In embodiments of the present invention,
Optionally, which carries out the interference stability on the first measurement frequency band of broadband CSI measurement, i.e., the first measurement frequency band can
Think and interfere relatively stable frequency band, specifically, the disturbance fluctuation on the first measurement frequency band can be lower than certain threshold value, the threshold
Value can be pre-defined or is pre-configured with by network side equipment, and which is not limited by the present invention;And the second measurement frequency band can be with
It including interfering unstable frequency band, that is, include the frequency band of interference dynamic change.In this way, compared with prior art, first equipment
The accuracy of obtained broadband CSI measurement result is higher, in addition, the first measurement frequency band and first equipment carry out subband CSI
Second measurement frequency band of measurement is not exclusively overlapped, and enabling to the subband CSI measurement result of first equipment includes more multiband
Information, thus improve first equipment CSI measurement result accuracy while keep the comprehensive of the measurement result,
Improve the efficiency that the network side equipment is scheduled according to the CSI measurement result that first equipment reports, improve system performance and
User experience.
Wherein, broadband CSI measurement may include at least one in following measurement: RI measurement, broadband CQI measurement and width
Band PMI is measured.The first measurement frequency band enterprising line width band PMI measurement can refer to first equipment assume downlink transfer this
Select broadband PMI from code book when on one measurement frequency band, and above-mentioned selection may include first equipment according to this first
The selection that the channel measured on measurement frequency band carries out;The first measurement frequency band enterprising line width band CQI measurement can refer to this
One equipment assumes that downlink transfer calculates broadband CQI when on the first measurement frequency band;RI is carried out on the first measurement frequency band
Measurement can refer to that first equipment assumes that downlink transfer obtains PMI when on the first measurement frequency band, but the embodiment of the present invention is not
It is limited to this.
Subband CSI measurement may include at least one in following measurement: subband PMI measurement and subband CQI measurement.
Optionally, as another embodiment, the first measurement frequency band and the second measurement frequency band are not exclusively be overlapped, comprising:
The first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or
Partial-band in the first measurement frequency band is Chong Die with the partial-band in the second measurement frequency band;Or
The first measurement frequency band is a part of the second measurement frequency band.
Optionally, as another embodiment, it is that first equipment is matched which can first pass through high-level signaling in advance
It sets at least two first candidate CSI measurement frequency band or first equipment is predefined has at least two first candidate CSI measurement frequently
Band, then the network side equipment can select some first candidate measurement frequency band to make from at least two first candidate measurement frequency band
For the first measurement frequency band, correspondingly, S210 determines the CSI measurement frequency band used when the first equipment carries out CSI measurement, comprising:
S211 determines that first equipment carries out RI from least two first candidate CSI of first equipment measurement frequency band
The the first measurement frequency band used when measurement.
Optionally, as another embodiment, it is that first equipment is matched which can first pass through high-level signaling in advance
It sets at least two second candidate CSI measurement frequency band or first equipment is predefined has at least two second candidate CSI measurement frequently
Band, then the network side equipment can select some second candidate measurement frequency band to make from at least two second candidate measurement frequency band
For the second measurement frequency band, correspondingly, S110 determines the CSI measurement frequency band used when the first equipment carries out CSI measurement, comprising:
S212 determines that first equipment carries out son from least two second candidate CSI of first equipment measurement frequency band
The the second measurement frequency band used when with CSI measurement.
Optionally, which can adjust bandwidth by the frequency band for measuring frequency band to first equipment instruction CSI,
Come implicitly indicate the CSI measure frequency band, specifically, the CSI measurement frequency band instruction information include in following message at least one
Kind: the first adjustment band information and second adjustment band information, wherein the first adjustment band information is used to indicate first survey
It measures frequency band and CSI measurement in broadband is carried out to the last time according to the corresponding band bandwidth of the first adjustment band information for first equipment
Used measurement frequency band is adjusted rear frequency band obtained, which is used to indicate the second measurement frequency
Band carries out subband CSI measurement to the last time according to the corresponding band bandwidth of second adjustment band information by first equipment and is adopted
Measurement frequency band is adjusted rear frequency band obtained.
The CSI, which measures frequency band instruction information, to be physical layer signaling or high-level signaling, for example, DCI or RRC signaling,
In, first measurement can be indicated by increasing at least one bit (for example, increasing 1~2 bit newly) newly in the DCI
Frequency band and/or the second measurement frequency band, the RRC can be newly-increased signaling or the existing signaling of multiplexing.This first measurement frequency band and
Any one measurement frequency band in the second measurement frequency band by the network side equipment dynamic configuration or can be semi-statically configured, phase
It is semi-static signaling or dynamic signaling that Ying Di, the CSI, which measure frequency band instruction information, but the embodiment of the present invention is without being limited thereto.
Optionally, as another embodiment, if the UE is configured at least one CSI process, at least one CSI process
Corresponding identical first measurement frequency band and identical second measurement frequency band;Or
If the UE is configured at least one CSI process, which corresponds to identical first measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the second different measurement frequency bands;Or
If the UE is configured at least one CSI process, which corresponds to identical second measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the first different measurement frequency bands.
Optionally, as another embodiment, if the UE is configured at least two sub-frame sets, at least two subframes collection
Close corresponding identical first measurement frequency band and identical second measurement frequency band;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical first measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the second different measurement frequency bands;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical second measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
Optionally, as another embodiment, this method 200 further include:
S230, to first equipment send CSI report instruction information, the CSI report instruction information be used to indicate this first
Equipment reports CSI;
S240 receives first equipment and reports instruction information and CSI measurement frequency band to refer to that information carries out CSI according to the CSI
The measurement result of measurement.
Therefore, the method according to an embodiment of the present invention for measuring CSI, the first equipment are less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.Further, control scene is interfered in Domain Dynamic
Under, the frequency band which can be relatively stable for interference, in this way, the CSI measurement result that first equipment obtains
Accuracy is higher, in addition, the first measurement frequency band and the second measurement frequency band that first equipment carries out subband CSI measurement are incomplete
Overlapping enables to the subband CSI measurement result of first equipment to include the information of more multiband, to first set improving this
Keep the comprehensive of the measurement result while accuracy of standby CSI measurement result, improve the network side equipment according to this
The efficiency that the CSI measurement result that one equipment reports is scheduled improves system performance and user experience;And network side equipment can
The interference information on each frequency band is learnt, to know which subband CSI measurement result that the UE is reported can provide for scheduling
Accurate information, and above-mentioned beneficial effect is more prominent in the case where first equipment only supports a CSI process.
The method provided in an embodiment of the present invention for measuring CSI is done in more detail below in conjunction with specific example
It is bright.Fig. 3 is the band system band configuration schematic diagram of the embodiment of the present invention.For the convenience of description, in this example, it is assumed that in system
There are grand node and micro- node in grand node overlay area, UE is by micro- node serve, but the interference by grand node, macro
Node uses dynamic node silence in frequency domain to reduce the interference of the UE to micro- node serve.Assuming that first equipment is UE, and
The network side equipment is the corresponding base station of micro- node.As shown in figure 3, base station is the first measurement frequency band of UE configuration and the second measurement frequency
Band, and guarantee that the first measurement frequency band is the frequency band of grand node silence, and the second measurement frequency band then both may include the grand node
Silent frequency band, and the frequency band non-silence including grand node.At this point, UE measures broadband CSI on the first measurement frequency band, and
Subband CSI measurement is carried out according to the subband that the second measurement frequency band includes.Since base station is known in the measurement subframe of UE, grand node
It is silent on which frequency band of the second measurement frequency band, it is non-silence on those frequency bands, so base station is it is also known that the son that the UE is fed back
It can be used for dispatching with the corresponding CSI of subband and the subband which is grand node silence in CSI, but the embodiment of the present invention is not
It is limited to this.
It should be noted that this example of Fig. 3, which is to help those skilled in the art, more fully understands the embodiment of the present invention, and
The range of the embodiment of the present invention have to be limited.Those skilled in the art are according to the example of given Fig. 3, it is clear that can carry out each
Kind modification or variation of equal value, such modification or variation are also fallen into the range of the embodiment of the present invention.
It should be understood that magnitude of the sequence numbers of the above procedures are not meant that the order of the execution order, the execution of each process is suitable
Sequence should be determined by its function and internal logic, and the implementation process of the embodiments of the invention shall not be constituted with any limitation.
Above in conjunction with Fig. 1 to Fig. 3, the method according to an embodiment of the present invention for measuring CSI is described in detail, below
It will be described according to an embodiment of the present invention for measuring the device of CSI in conjunction with Fig. 4 to Fig. 7.
Fig. 4 shows the schematic stream of the device 300 according to an embodiment of the present invention for measure channel state information CSI
Cheng Tu, wherein the device 300 can correspond to the first equipment in above method embodiment, as shown in figure 4, the device 300 wraps
It includes:
Determining module 310, for determining the first measurement frequency band and the second measurement frequency band, the first measurement frequency band is for carrying out
Broadband CSI measurement, the second measurement frequency band is for carrying out subband CSI measurement, wherein under the bandwidth of the first measurement frequency band is less than
Row transmission bandwidth and this first measurement frequency band with this second measure frequency band it is not exclusively be overlapped;
First measurement module 320, the enterprising line width band CSI of the first measurement frequency band for being determined in the determining module 310
Measurement;
Second measurement module 330, for carrying out the measurement that CSI measurement in the broadband obtains according to first measurement module 320
As a result, carrying out subband CSI measurement on the second measurement frequency band.
Therefore, according to an embodiment of the present invention for measuring the device of CSI, the first equipment is less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.
Optionally, CSI measurement in the broadband includes at least one in following measurement: order instruction RI measurement, broad-band channel matter
Amount instruction CQI measurement and broadband precoding instruction PMI measurement.
Optionally, as another embodiment, the first measurement frequency band and the second measurement frequency band are not exclusively be overlapped, comprising:
The first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or
Partial-band in the first measurement frequency band is Chong Die with the partial-band in the second measurement frequency band;Or
The first measurement frequency band is a part of the second measurement frequency band.
Optionally, as another embodiment, which is specifically used for the CSI sent according to network side equipment and surveys
It measures frequency band and indicates information, determine at least one of the first measurement frequency band and the second measurement frequency band.
Optionally, as another embodiment, which includes:
First determination unit 311, for being sent according to the network side equipment the CSI measurement frequency band indicate information, to
The first measurement frequency band is determined in few two first candidate measurement frequency bands;And/or
Second determination unit 312, for being sent according to the network side equipment the CSI measurement frequency band indicate information, to
The second measurement frequency band is determined in few two second candidate measurement frequency bands.
Optionally, as another embodiment, it includes at least one of following message which, which measures frequency band instruction information:
The first adjustment band information and second adjustment band information, correspondingly, which includes:
Third determination unit 313, it is corresponding for the first adjustment band information according to determining the first measurement frequency band
Band bandwidth carries out measurement frequency band used by broadband CSI measurement to the last time and is adjusted rear frequency band obtained;And/or
4th determination unit 314, it is corresponding for the second adjustment band information according to determining the second measurement frequency band
Frequency bandwidth carries out measurement frequency band used by subband CSI measurement to the last time and is adjusted rear frequency band obtained.
Optionally, as another embodiment, it is semi-static signaling or dynamic signaling which, which measures frequency band instruction information,.
Optionally, as another embodiment, if the UE is configured at least one CSI process, at least one CSI process
Corresponding identical first measurement frequency band and identical second measurement frequency band;Or
If the UE is configured at least one CSI process, which corresponds to identical first measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the second different measurement frequency bands;Or
If the UE is configured at least one CSI process, which corresponds to identical second measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the first different measurement frequency bands.
Optionally, as another embodiment, if the UE is configured at least two sub-frame sets, at least two subframes collection
Close corresponding identical first measurement frequency band and identical second measurement frequency band;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical first measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the second different measurement frequency bands;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical second measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
Optionally, as another embodiment, the device 300 further include:
Receiving module 340, for being measured in first measurement module 320 in the enterprising line width band CSI of the first measurement frequency band
Before, it receives the CSI that network side equipment is sent and reports instruction information, which reports instruction information to be used to indicate first equipment
CSI is reported to the network side equipment;
First measurement module 320 is specifically used for reporting instruction information according to the received CSI of the receiving module 340,
The enterprising line width band CSI of the first measurement frequency band is measured;
Correspondingly, the device 300 further include: reporting module 350, for reporting the first measurement mould to the network side equipment
Block 320 carries out the measurement result of broadband CSI measurement and second measurement module 330 carries out the measurement knot that subband CSI is measured
Fruit.
Device 300 according to an embodiment of the present invention for measuring CSI can correspond to according to an embodiment of the present invention be used for
Measure the first equipment in the method for CSI, and above and other operation and/or function of the modules in the device 300
Respectively in order to realize the corresponding process of each method in Fig. 1, for sake of simplicity, details are not described herein.
Therefore, according to an embodiment of the present invention for measuring the device of CSI, the first equipment is less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.Further, control scene is interfered in Domain Dynamic
Under, the frequency band which can be relatively stable for interference, in this way, the CSI measurement result that first equipment obtains
Accuracy is higher, in addition, the first measurement frequency band and the second measurement frequency band that first equipment carries out subband CSI measurement are incomplete
Overlapping enables to the subband CSI measurement result of first equipment to include the information of more multiband, to first set improving this
Keep the comprehensive of the measurement result while accuracy of standby CSI measurement result, improve the network side equipment according to this
The efficiency that the CSI measurement result that one equipment reports is scheduled improves system performance and user experience;And network side equipment can
The interference information on each frequency band is learnt, to know which subband CSI measurement result that the UE is reported can provide for scheduling
Accurate information, and above-mentioned beneficial effect is more prominent in the case where first equipment only supports a CSI process.
Fig. 5 shows the signal of the device 400 according to another embodiment of the present invention for measure channel state information CSI
Property block diagram, which can be the network side equipment in above method embodiment, as shown in figure 5, the device 400 includes:
Determining module 410, the CSI used when for determining that the first equipment carries out CSI measurement measure frequency band, CSI measurement
Frequency band includes at least one of following frequency band: for carrying out the first measurement frequency band of broadband CSI measurement and for carrying out subband
Second measurement frequency band of CSI measurement, wherein the bandwidth of the first measurement frequency band is less than downstream transmission bandwidth and the first measurement frequency
Band and the second measurement frequency band are not exclusively be overlapped;
Sending module 420 indicates information for sending CSI measurement frequency band to first equipment, which measures frequency band instruction
Information is used to indicate the CSI measurement frequency band that the determining module 410 determines.
Therefore, according to an embodiment of the present invention for measuring the device of CSI, the first equipment is less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.
Optionally, CSI measurement in the broadband includes at least one in following measurement: order instruction RI measurement, broad-band channel matter
Amount instruction CQI measurement and broadband precoding instruction PMI measurement.
Optionally, as another embodiment, the first measurement frequency band and the second measurement frequency band are not exclusively be overlapped, comprising:
The first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or
Partial-band in the first measurement frequency band is Chong Die with the partial-band in the second measurement frequency band;Or
The first measurement frequency band is a part of the second measurement frequency band.
Optionally, as another embodiment, which is specifically used for:
When determining that first equipment carries out RI measurement from least two first candidate CSI of first equipment measurement frequency band
The the first measurement frequency band used;And/or
Determine that first equipment carries out subband CSI from least two second candidate CSI of first equipment measurement frequency band
The the second measurement frequency band used when measurement.
Optionally, as another embodiment, it includes at least one of following message which, which measures frequency band instruction information:
The first adjustment band information and second adjustment band information, wherein
It is first equipment according to the first adjustment frequency that the first adjustment band information, which is used to indicate the first measurement frequency band,
The corresponding band bandwidth of information is adjusted measurement frequency band used by last time progress broadband CSI measurement rear obtained
Frequency band,
It is first equipment according to second adjustment frequency that the second adjustment band information, which is used to indicate the second measurement frequency band,
The corresponding band bandwidth of information is adjusted measurement frequency band used by last time progress subband CSI measurement rear obtained
Frequency band.
Optionally, as another embodiment, it is semi-static signaling or dynamic signaling which, which measures frequency band instruction information,.
Optionally, as another embodiment, if the UE is configured at least one CSI process, at least one CSI process
Corresponding identical first measurement frequency band and identical second measurement frequency band;Or
If the UE is configured at least one CSI process, which corresponds to identical first measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the second different measurement frequency bands;Or
If the UE is configured at least one CSI process, which corresponds to identical second measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the first different measurement frequency bands.
Optionally, as another embodiment, if the UE is configured at least two sub-frame sets, at least two subframes collection
Close corresponding identical first measurement frequency band and identical second measurement frequency band;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical first measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the second different measurement frequency bands;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical second measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
Optionally, as another embodiment, which, which is also used to send CSI to first equipment, reports instruction
Information, the CSI report instruction information to be used to indicate first equipment and report CSI;
Correspondingly, the device 400 further include: receiving module 430, for receiving first equipment according to the sending module
420 CSI sent report instruction information and CSI measurement frequency band to refer to that information carries out the measurement result of CSI measurement.
Device 400 according to an embodiment of the present invention for measuring CSI can correspond to according to an embodiment of the present invention be used for
Measure the network side equipment in the method for CSI, and above and other operation and/or function of the modules in device 400
Respectively in order to realize the corresponding process of each method in Fig. 2, for sake of simplicity, details are not described herein.
Therefore, according to an embodiment of the present invention for measuring the device of CSI, the first equipment is less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.Further, control scene is interfered in Domain Dynamic
Under, the frequency band which can be relatively stable for interference, in this way, the CSI measurement result that first equipment obtains
Accuracy is higher, in addition, the first measurement frequency band and the second measurement frequency band that first equipment carries out subband CSI measurement are incomplete
Overlapping enables to the subband CSI measurement result of first equipment to include the information of more multiband, to first set improving this
Keep the comprehensive of the measurement result while accuracy of standby CSI measurement result, improve the network side equipment according to this
The efficiency that the CSI measurement result that one equipment reports is scheduled improves system performance and user experience;And network side equipment can
The interference information on each frequency band is learnt, to know which subband CSI measurement result that the UE is reported can provide for scheduling
Accurate information, and above-mentioned beneficial effect is more prominent in the case where first equipment only supports a CSI process.
Fig. 6 shows the schematic stream of the device 500 according to an embodiment of the present invention for measure channel state information CSI
Cheng Tu, wherein the device 500 can correspond to the first equipment in above method embodiment, as shown in fig. 6, the device 500 wraps
It includes: processor 510, memory 520 and bus system 530.Wherein, processor 510 and memory 520 pass through bus system 530
It is connected, for storing instruction, which is called and deposited in the memory 520 by the bus system 530 memory 520
The instruction of storage, specifically, the processor 510 is for determining the first measurement frequency band and the second measurement frequency band, the first measurement frequency
Band is for carrying out broadband CSI measurement, and the second measurement frequency band is for carrying out subband CSI measurement, wherein the first measurement frequency band
Bandwidth is less than downstream transmission bandwidth and the first measurement frequency band and the second measurement frequency band are not exclusively be overlapped;In the first measurement frequency
It takes and carries out broadband CSI measurement;And the measurement result obtained according to broadband CSI measurement, it is enterprising in the second measurement frequency band
Row subband CSI measurement.
Therefore, according to an embodiment of the present invention for measuring the device of CSI, the first equipment is less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.
It should be understood that in embodiments of the present invention, which can be central processing unit (Central
Processing Unit, referred to as " CPU "), which can also be other general processors, digital signal processor
(DSP), specific integrated circuit (ASIC), ready-made programmable gate array (FPGA) or other programmable logic device, discrete gate
Or transistor logic, discrete hardware components etc..General processor can be microprocessor or the processor can also be with
It is any conventional processor etc..
The memory 520 may include read-only memory and random access memory, and to processor 510 provide instruction and
Data.The a part of of memory 520 can also include nonvolatile RAM.For example, memory 520 can also be deposited
Store up the information of device type.
The bus system 530 can also include power bus, control bus and status signal in addition to including data/address bus
Bus etc..But for the sake of clear explanation, various buses are all designated as bus system 530 in figure.
During realization, each step of the above method can pass through the integrated logic circuit of the hardware in processor 510
Or the instruction of software form is completed.The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly at hardware
Reason device executes completion, or in processor hardware and software module combine and execute completion.Software module can be located at random
Memory, flash memory, read-only memory, the abilities such as programmable read only memory or electrically erasable programmable memory, register
In the storage medium of domain maturation.The storage medium is located at memory 520, and processor 510 reads the information in memory 520, knot
Close the step of its hardware completes the above method.To avoid repeating, it is not detailed herein.
Optionally, CSI measurement in the broadband includes at least one in following measurement: order instruction RI measurement, broad-band channel matter
Amount instruction CQI measurement and broadband precoding instruction PMI measurement.
Optionally, as another embodiment, the first measurement frequency band and the second measurement frequency band are not exclusively be overlapped, comprising:
The first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or
Partial-band in the first measurement frequency band is Chong Die with the partial-band in the second measurement frequency band;Or
The first measurement frequency band is a part of the second measurement frequency band.
Optionally, as another embodiment, which is specifically used for the CSI sent according to network side equipment and measures
Frequency band indicates information, determines at least one of the first measurement frequency band and the second measurement frequency band.
Optionally, as another embodiment, which is specifically used for:
The CSI measurement frequency band sent according to the network side equipment indicates information, from least two first candidate measurement frequencies
The first measurement frequency band is determined in band;And/or
The CSI measurement frequency band sent according to the network side equipment indicates information, from least two second candidate measurement frequencies
The second measurement frequency band is determined in band.
Optionally, as another embodiment, it includes at least one of following message which, which measures frequency band instruction information:
The first adjustment band information and second adjustment band information, correspondingly, the processor 510 are specifically used for:
The corresponding band bandwidth of the first adjustment band information carries out the last time according to determining the first measurement frequency band
Measurement frequency band used by broadband CSI measurement is adjusted rear frequency band obtained;And/or
The corresponding frequency bandwidth of second adjustment band information carries out the last time according to determining the second measurement frequency band
Measurement frequency band used by subband CSI measurement is adjusted rear frequency band obtained.
Optionally, as another embodiment, it is semi-static signaling or dynamic signaling which, which measures frequency band instruction information,.
Optionally, as another embodiment, if the UE is configured at least one CSI process, at least one CSI process
Corresponding identical first measurement frequency band and identical second measurement frequency band;Or
If the UE is configured at least one CSI process, which corresponds to identical first measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the second different measurement frequency bands;Or
If the UE is configured at least one CSI process, which corresponds to identical second measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the first different measurement frequency bands.
Optionally, as another embodiment, if the UE is configured at least two sub-frame sets, at least two subframes collection
Close corresponding identical first measurement frequency band and identical second measurement frequency band;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical first measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the second different measurement frequency bands;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical second measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
Optionally, as another embodiment, the device 500 further include:
Receiver 540, for before the enterprising line width band CSI measurement of the first measurement frequency band, being received in the processor 510
The CSI that network side equipment is sent reports instruction information, which reports instruction information to be used to indicate first equipment to the network side
Equipment reports CSI;
Correspondingly, which is specifically used for reporting instruction information according to the received CSI of the receiver 540, at this
The enterprising line width band CSI of first measurement frequency band is measured;
The device 300 further include: transmitter 550, for reporting the processor 510 to carry out the broadband to the network side equipment
The measurement result of CSI measurement and subband CSI measurement.
Device 500 according to an embodiment of the present invention for measuring CSI can correspond to according to an embodiment of the present invention be used for
Measure the first equipment in the method for CSI, and above and other operation and/or function of the modules in the device 500
Respectively in order to realize the corresponding process of each method in Fig. 1, for sake of simplicity, details are not described herein.
Therefore, according to an embodiment of the present invention for measuring the device of CSI, the first equipment is less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.Further, control scene is interfered in Domain Dynamic
Under, the frequency band which can be relatively stable for interference, in this way, the CSI measurement result that first equipment obtains
Accuracy is higher, in addition, the first measurement frequency band and the second measurement frequency band that first equipment carries out subband CSI measurement are incomplete
Overlapping enables to the subband CSI measurement result of first equipment to include the information of more multiband, to first set improving this
Keep the comprehensive of the measurement result while accuracy of standby CSI measurement result, improve the network side equipment according to this
The efficiency that the CSI measurement result that one equipment reports is scheduled improves system performance and user experience;And network side equipment can
The interference information on each frequency band is learnt, to know which subband CSI measurement result that the UE is reported can provide for scheduling
Accurate information, and above-mentioned beneficial effect is more prominent in the case where first equipment only supports a CSI process.
Fig. 7 shows the signal of the device 600 according to another embodiment of the present invention for measure channel state information CSI
Property block diagram, which can be the network side equipment in above method embodiment, as shown in fig. 7, the device 600 includes: place
Manage device 610, memory 620, bus system 630 and transmitter 640.Wherein, processor 610, memory 620 and transmitter 640
It is connected by bus system 630, for storing instruction, which is called the memory 620 by the bus system 630
The instruction stored in the memory 620 specifically uses when the processor 610 is for determining that the first equipment carries out CSI measurement
CSI measure frequency band, the CSI measure frequency band include at least one of following frequency band: for carrying out the first of broadband CSI measurement
Measure frequency band and the second measurement frequency band for carrying out subband CSI measurement, wherein the bandwidth of the first measurement frequency band is less than downlink
Transmission bandwidth and this first measurement frequency band with this second measure frequency band it is not exclusively be overlapped;The transmitter 640 is used to first set to this
Preparation send CSI measurement frequency band instruction information, and CSI measurement frequency band instruction information is used to indicate the CSI that the processor 610 determines
Measure frequency band.
Therefore, according to an embodiment of the present invention for measuring the device of CSI, the first equipment is less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.
It should be understood that in embodiments of the present invention, which can be central processing unit (Central
Processing Unit, referred to as " CPU "), which can also be other general processors, digital signal processor
(DSP), specific integrated circuit (ASIC), ready-made programmable gate array (FPGA) or other programmable logic device, discrete gate
Or transistor logic, discrete hardware components etc..General processor can be microprocessor or the processor can also be with
It is any conventional processor etc..
The memory 620 may include read-only memory and random access memory, and to processor 610 provide instruction and
Data.The a part of of memory 620 can also include nonvolatile RAM.For example, memory 620 can also be deposited
Store up the information of device type.
The bus system 630 can also include power bus, control bus and status signal in addition to including data/address bus
Bus etc..But for the sake of clear explanation, various buses are all designated as bus system 630 in figure.
During realization, each step of the above method can pass through the integrated logic circuit of the hardware in processor 610
Or the instruction of software form is completed.The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly at hardware
Reason device executes completion, or in processor hardware and software module combine and execute completion.Software module can be located at random
Memory, flash memory, read-only memory, the abilities such as programmable read only memory or electrically erasable programmable memory, register
In the storage medium of domain maturation.The storage medium is located at memory 620, and processor 610 reads the information in memory 620, knot
Close the step of its hardware completes the above method.To avoid repeating, it is not detailed herein.
Optionally, CSI measurement in the broadband includes at least one in following measurement: order instruction RI measurement, broad-band channel matter
Amount instruction CQI measurement and broadband precoding instruction PMI measurement.
Optionally, as another embodiment, the first measurement frequency band and the second measurement frequency band are not exclusively be overlapped, comprising:
The first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or
Partial-band in the first measurement frequency band is Chong Die with the partial-band in the second measurement frequency band;Or
The first measurement frequency band is a part of the second measurement frequency band.
Optionally, as another embodiment, which is specifically used for:
When determining that first equipment carries out RI measurement from least two first candidate CSI of first equipment measurement frequency band
The the first measurement frequency band used;And/or
Determine that first equipment carries out subband CSI from least two second candidate CSI of first equipment measurement frequency band
The the second measurement frequency band used when measurement.
Optionally, as another embodiment, it includes at least one of following message which, which measures frequency band instruction information:
The first adjustment band information and second adjustment band information, wherein
It is first equipment according to the first adjustment frequency that the first adjustment band information, which is used to indicate the first measurement frequency band,
The corresponding band bandwidth of information is adjusted measurement frequency band used by last time progress broadband CSI measurement rear obtained
Frequency band,
It is first equipment according to second adjustment frequency that the second adjustment band information, which is used to indicate the second measurement frequency band,
The corresponding band bandwidth of information is adjusted measurement frequency band used by last time progress subband CSI measurement rear obtained
Frequency band.
Optionally, as another embodiment, it is semi-static signaling or dynamic signaling which, which measures frequency band instruction information,.
Optionally, as another embodiment, if the UE is configured at least one CSI process, at least one CSI process
Corresponding identical first measurement frequency band and identical second measurement frequency band;Or
If the UE is configured at least one CSI process, which corresponds to identical first measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the second different measurement frequency bands;Or
If the UE is configured at least one CSI process, which corresponds to identical second measurement frequency band
And the first CSI process at least one CSI process and the 2nd CSI process correspond to the first different measurement frequency bands.
Optionally, as another embodiment, if the UE is configured at least two sub-frame sets, at least two subframes collection
Close corresponding identical first measurement frequency band and identical second measurement frequency band;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical first measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the second different measurement frequency bands;Or
If the UE is configured at least two sub-frame sets, which corresponds to identical second measurement frequency
Band and the first sub-frame set at least two sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
Optionally, as another embodiment, which, which is also used to send CSI to first equipment, reports instruction to believe
Breath, the CSI report instruction information to be used to indicate first equipment and report CSI;
Correspondingly, device 600 further include: receiver 650 is sent out for receiving first equipment according to the transmitter 640
The CSI sent reports instruction information and CSI measurement frequency band to refer to that information carries out the measurement result of CSI measurement.
Device 600 according to an embodiment of the present invention for measuring CSI can correspond to according to an embodiment of the present invention be used for
Measure the network side equipment in the method for CSI, and above and other operation and/or function of the modules in device 600
Respectively in order to realize the corresponding process of each method in Fig. 2, for sake of simplicity, details are not described herein.
Therefore, according to an embodiment of the present invention for measuring the device of CSI, the first equipment is less than downstream transmission in bandwidth
The wide enterprising line width band CSI of the first measurement frequency band is measured, and in the second measurement frequency band not exclusively be overlapped with the first measurement frequency band
Upper progress subband CSI measurement can obtain the measurement result of broadband CSI and subband CSI, and can be further by the measurement result
It is reported to network side equipment, so that the network side equipment first can set this according to the measurement result that first equipment reports
It is standby to be scheduled, so that the CSI measurement result that UE is reported cannot be obtained and the scheme being scheduled relative to base station, can be improved
The dispatching efficiency of the network side equipment improves system performance and user experience.Further, control scene is interfered in Domain Dynamic
Under, the frequency band which can be relatively stable for interference, in this way, the CSI measurement result that first equipment obtains
Accuracy is higher, in addition, the first measurement frequency band and the second measurement frequency band that first equipment carries out subband CSI measurement are incomplete
Overlapping enables to the subband CSI measurement result of first equipment to include the information of more multiband, to first set improving this
Keep the comprehensive of the measurement result while accuracy of standby CSI measurement result, improve the network side equipment according to this
The efficiency that the CSI measurement result that one equipment reports is scheduled improves system performance and user experience;And network side equipment can
The interference information on each frequency band is learnt, to know which subband CSI measurement result that the UE is reported can provide for scheduling
Accurate information, and above-mentioned beneficial effect is more prominent in the case where first equipment only supports a CSI process.
It should be understood that in embodiments of the present invention, term "and/or" is only a kind of incidence relation for describing affiliated partner,
Indicate may exist three kinds of relationships.For example, A and/or B, can indicate: individualism A exists simultaneously A and B, individualism B this
Three kinds of situations.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Those of ordinary skill in the art may be aware that each method in conjunction with described in the embodiments described herein walks
Rapid and unit, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and soft
The interchangeability of part, the step of according to function having generally described each embodiment in the above description and composition.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Ability
Domain those of ordinary skill can use different methods to achieve the described function each specific application, but this reality
Now it should not be considered as beyond the scope of the present invention.
It is apparent to those skilled in the art that for convenience of description and succinctly, foregoing description is
The specific work process of system, device and unit, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.In addition, shown or beg for
Opinion mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING of device or unit
Or communication connection, it is also possible to electricity, mechanical or other form connections.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.Some or all of unit therein can be selected to realize the embodiment of the present invention according to the actual needs
Purpose.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, is also possible to two or more units and is integrated in one unit.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, letter
Referred to as " ROM "), random access memory (Random Access Memory, referred to as " RAM "), magnetic or disk etc. it is each
Kind can store the medium of program code.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (36)
1. a kind of method for measure channel state information CSI characterized by comprising
The CSI measurement frequency band instruction information that first equipment is sent according to network side equipment, determines that the first measurement frequency band and second is surveyed
Measure at least one of frequency band, the first measurement frequency band for carrying out broadband CSI measurement, the second measurement frequency band be used for into
Row subband CSI measurement;
It is measured in the enterprising line width band CSI of the first measurement frequency band;
Subband CSI measurement is carried out on the second measurement frequency band;
Wherein, the CSI measurement frequency band sent according to network side equipment indicates information, determines the first measurement frequency band and the
At least one of two measurement frequency bands, comprising:
The CSI measurement frequency band sent according to the network side equipment indicates information, from least two first candidate measurement frequencies
The first measurement frequency band is determined in band;And/or
The CSI measurement frequency band sent according to the network side equipment indicates information, from least two second candidate measurement frequencies
The second measurement frequency band is determined in band.
2. according to the method described in claim 1, it is characterized by:
The first measurement frequency band and the second measurement frequency band are by the network side equipment dynamic configuration or semi-static
Configuration.
3. according to the method described in claim 2, it is characterized by:
The bandwidth of the first measurement frequency band is less than downstream transmission bandwidth and the first measurement frequency band and described second measures frequency
Band not exclusively overlapping.
4. method according to claim 1-3, which is characterized in that the broadband CSI measurement includes following measurement
At least one of in: order instruction RI measurement, broadband channel quality instruction CQI measurement and broadband precoding instruction PMI measurement.
5. according to the method described in claim 3, it is characterized in that, the first measurement frequency band and described second measures frequency band not
It is completely overlapped, comprising:
The first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or
Partial-band in the first measurement frequency band is Chong Die with the partial-band in the second measurement frequency band;Or
The first measurement frequency band is a part of the second measurement frequency band.
6. method according to claim 1-5, which is characterized in that if first equipment is configured at least one
A CSI process,
At least one described CSI process corresponds to identical first measurement frequency band and identical second measurement frequency band;Or
At least one described CSI process corresponds to the first CSI in identical first measurement frequency band and at least one described CSI process
Process and the 2nd CSI process correspond to the second different measurement frequency bands;Or
At least one described CSI process corresponds to the first CSI in identical second measurement frequency band and at least one described CSI process
Process and the 2nd CSI process correspond to the first different measurement frequency bands.
7. method according to claim 1-5, which is characterized in that if first equipment is configured at least two
A sub-frame set,
At least two sub-frame set corresponds to identical first measurement frequency band and identical second measurement frequency band;Or
At least two sub-frame set correspond to it is identical first measurement frequency band and at least two sub-frame set in first
Sub-frame set and the second sub-frame set correspond to the second different measurement frequency bands;Or
At least two sub-frame set correspond to it is identical second measurement frequency band and at least two sub-frame set in first
Sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
8. method according to claim 1-5, which is characterized in that in the first measurement enterprising line width band of frequency band
Before CSI measurement, the method also includes:
It receives the CSI that network side equipment is sent and reports instruction information, the CSI reports instruction information to be used to indicate described first and sets
It is standby to report CSI to the network side equipment;
It is described to be measured in the enterprising line width band CSI of the first measurement frequency band, comprising:
Instruction information is reported according to the CSI, is measured in the enterprising line width band CSI of the first measurement frequency band;
The method also includes:
The measurement result that the measurement result for reporting the broadband CSI to measure to the network side equipment and the subband CSI are measured.
9. a kind of method for measure channel state information CSI characterized by comprising
Network side equipment determines that at least one of the first measurement frequency band and the second measurement frequency band, the first measurement frequency band are used for
First equipment carries out broadband CSI measurement, and the second measurement frequency band carries out subband CSI measurement for first equipment;
CSI measurement frequency band, which is sent, to first equipment indicates that information, the CSI measurement frequency band instruction information are used to indicate described
At least one of first measurement frequency band and the second measurement frequency band;
Wherein, the determination first measures at least one of frequency band and the second measurement frequency band, comprising:
It is determined from least two first candidate CSI of first equipment measurement frequency band and carries out broadband for first equipment
First measurement frequency band of CSI measurement;And/or
It is determined from least two second candidate CSI of first equipment measurement frequency band and carries out subband for first equipment
Second measurement frequency band of CSI measurement.
10. according to the method described in claim 9, it is characterized by:
The first measurement frequency band and the second measurement frequency band are the network side equipment dynamic configurations or are semi-statically configured
's.
11. according to the method described in claim 10, it is characterized by:
The bandwidth of the first measurement frequency band is less than downstream transmission bandwidth and the first measurement frequency band and described second measures frequency
Band not exclusively overlapping.
12. according to the described in any item methods of claim 9-11, which is characterized in that the broadband CSI measurement includes following survey
At least one of in amount: order instruction RI measurement, broadband channel quality instruction CQI measurement and broadband precoding instruction PMI measurement.
13. according to the method for claim 11, which is characterized in that the first measurement frequency band and the second measurement frequency band
Not exclusively overlapping, comprising:
The first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or
Partial-band in the first measurement frequency band is Chong Die with the partial-band in the second measurement frequency band;Or
The first measurement frequency band is a part of the second measurement frequency band.
14. according to the described in any item methods of claim 9-13, which is characterized in that if first equipment is configured at least
One CSI process,
At least one described CSI process corresponds to identical first measurement frequency band and identical second measurement frequency band;Or
At least one described CSI process corresponds to the first CSI in identical first measurement frequency band and at least one described CSI process
Process and the 2nd CSI process correspond to the second different measurement frequency bands;Or
At least one described CSI process corresponds to the first CSI in identical second measurement frequency band and at least one described CSI process
Process and the 2nd CSI process correspond to the first different measurement frequency bands.
15. according to the described in any item methods of claim 9-13, which is characterized in that if first equipment is configured at least
Two sub-frame sets,
At least two sub-frame set corresponds to identical first measurement frequency band and identical second measurement frequency band;Or
At least two sub-frame set correspond to it is identical first measurement frequency band and at least two sub-frame set in first
Sub-frame set and the second sub-frame set correspond to the second different measurement frequency bands;Or
At least two sub-frame set correspond to it is identical second measurement frequency band and at least two sub-frame set in first
Sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
16. according to the described in any item methods of claim 9-13, which is characterized in that the method also includes:
CSI is sent to first equipment and reports instruction information, and the CSI reports instruction information to be used to indicate first equipment
Report CSI;
It receives first equipment and reports instruction information and CSI measurement frequency band to refer to that information carries out CSI measurement according to the CSI
Measurement result.
17. a kind of device for measure channel state information CSI characterized by comprising
Determining module, the CSI measurement frequency band for being sent according to network side equipment indicate information, determine the first measurement frequency band and the
At least one of two measurement frequency bands, the first measurement frequency band are used for carrying out broadband CSI measurement, the second measurement frequency band
In progress subband CSI measurement;
First measurement module, for being measured in the enterprising line width band CSI of the first measurement frequency band;
Second measurement module, for carrying out subband CSI measurement on the second measurement frequency band;
Wherein, the determining module is used for:
The CSI measurement frequency band sent according to the network side equipment indicates information, from least two first candidate measurement frequencies
The first measurement frequency band is determined in band;And/or
The CSI measurement frequency band sent according to the network side equipment indicates information, from least two second candidate measurement frequencies
The second measurement frequency band is determined in band.
18. device according to claim 17, it is characterised in that:
The first measurement frequency band and the second measurement frequency band are by the network side equipment dynamic configuration or semi-static
Configuration.
19. device according to claim 18, it is characterised in that:
The bandwidth of the first measurement frequency band is less than downstream transmission bandwidth and the first measurement frequency band and described second measures frequency
Band not exclusively overlapping.
20. the described in any item devices of 7-19 according to claim 1, which is characterized in that the broadband CSI measurement includes following survey
At least one of in amount: order instruction RI measurement, broadband channel quality instruction CQI measurement and broadband precoding instruction PMI measurement.
21. device according to claim 19, which is characterized in that the first measurement frequency band and the second measurement frequency band
Not exclusively overlapping, comprising:
The first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or
Partial-band in the first measurement frequency band is Chong Die with the partial-band in the second measurement frequency band;Or
The first measurement frequency band is a part of the second measurement frequency band.
22. the described in any item devices of 7-21 according to claim 1, which is characterized in that if the first equipment is configured at least one
A CSI process,
At least one described CSI process corresponds to identical first measurement frequency band and identical second measurement frequency band;Or
At least one described CSI process corresponds to the first CSI in identical first measurement frequency band and at least one described CSI process
Process and the 2nd CSI process correspond to the second different measurement frequency bands;Or
At least one described CSI process corresponds to the first CSI in identical second measurement frequency band and at least one described CSI process
Process and the 2nd CSI process correspond to the first different measurement frequency bands.
23. the described in any item devices of 7-21 according to claim 1, which is characterized in that if the first equipment is configured at least two
A sub-frame set,
At least two sub-frame set corresponds to identical first measurement frequency band and identical second measurement frequency band;Or
At least two sub-frame set correspond to it is identical first measurement frequency band and at least two sub-frame set in first
Sub-frame set and the second sub-frame set correspond to the second different measurement frequency bands;Or
At least two sub-frame set correspond to it is identical second measurement frequency band and at least two sub-frame set in first
Sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
24. the described in any item devices of 7-21 according to claim 1, which is characterized in that described device further include:
Receiving module, for before the enterprising line width band CSI measurement of the first measurement frequency band, being connect in first measurement module
It receives the CSI that network side equipment is sent and reports instruction information, the CSI reports instruction information to be used to indicate the first equipment to the net
Network side apparatus reports CSI;
First measurement module is specifically used for reporting instruction information according to the received CSI of the receiving module, described
The enterprising line width band CSI of first measurement frequency band is measured;
Described device further include:
Reporting module, for reporting first measurement module to carry out the survey that the broadband CSI is measured to the network side equipment
Amount result and second measurement module carry out the measurement result of the subband CSI measurement.
25. a kind of device for measure channel state information CSI characterized by comprising
Determining module, for determining at least one of the first measurement frequency band and the second measurement frequency band, the first measurement frequency band
Broadband CSI measurement is carried out for the first equipment, the second measurement frequency band carries out subband CSI measurement for first equipment;
Sending module indicates information, the CSI measurement frequency band instruction letter for sending CSI measurement frequency band to first equipment
Breath is used to indicate at least one of the first measurement frequency band and the second measurement frequency band;
Wherein, the determining module is used for:
It is determined from least two first candidate CSI of first equipment measurement frequency band and carries out broadband for first equipment
First measurement frequency band of CSI measurement;And/or
It is determined from least two second candidate CSI of first equipment measurement frequency band and carries out subband for first equipment
Second measurement frequency band of CSI measurement.
26. device according to claim 25, it is characterised in that:
The first measurement frequency band and the second measurement frequency band are network side equipment dynamic configurations or are semi-statically configured.
27. device according to claim 26, it is characterised in that:
The bandwidth of the first measurement frequency band is less than downstream transmission bandwidth and the first measurement frequency band and described second measures frequency
Band not exclusively overlapping.
28. according to the described in any item devices of claim 25-27, which is characterized in that the broadband CSI measurement includes following survey
At least one of in amount: order instruction RI measurement, broadband channel quality instruction CQI measurement and broadband precoding instruction PMI measurement.
29. device according to claim 27, which is characterized in that the first measurement frequency band and the second measurement frequency band
Not exclusively overlapping, comprising:
The first measurement frequency band and the second measurement frequency band be not completely be overlapped;Or
Partial-band in the first measurement frequency band is Chong Die with the partial-band in the second measurement frequency band;Or
The first measurement frequency band is a part of the second measurement frequency band.
30. according to the described in any item devices of claim 25-29, which is characterized in that if first equipment be configured for
A few CSI process,
At least one described CSI process corresponds to identical first measurement frequency band and identical second measurement frequency band;Or
At least one described CSI process corresponds to the first CSI in identical first measurement frequency band and at least one described CSI process
Process and the 2nd CSI process correspond to the second different measurement frequency bands;Or
At least one described CSI process corresponds to the first CSI in identical second measurement frequency band and at least one described CSI process
Process and the 2nd CSI process correspond to the first different measurement frequency bands.
31. according to the described in any item devices of claim 25-29, which is characterized in that if first equipment be configured for
Few two sub-frame sets,
At least two sub-frame set corresponds to identical first measurement frequency band and identical second measurement frequency band;Or
At least two sub-frame set correspond to it is identical first measurement frequency band and at least two sub-frame set in first
Sub-frame set and the second sub-frame set correspond to the second different measurement frequency bands;Or
At least two sub-frame set correspond to it is identical second measurement frequency band and at least two sub-frame set in first
Sub-frame set and the second sub-frame set correspond to the first different measurement frequency bands.
32. according to the described in any item devices of claim 25-29, which is characterized in that the sending module is also used to described
First equipment sends CSI and reports instruction information, and the CSI reports instruction information to be used to indicate first equipment and reports CSI;
Described device further include:
Receiving module, for receive first equipment according to the CSI that the sending module is sent report instruction information and
The CSI measurement frequency band refers to that information carries out the measurement result of CSI measurement.
33. a kind of computer readable storage medium is stored thereon with instruction, when run on a computer, so that computer
Execute such as method of any of claims 1-8.
34. a kind of computer readable storage medium is stored thereon with instruction, when run on a computer, so that computer
Execute the method as described in any one of claim 9-16.
35. a kind of device, including processor and memory, for storing instruction, the processor is for calling for the memory
And described instruction is executed, to realize the described in any item methods of claim 1-8.
36. a kind of device, including processor and memory, for storing instruction, the processor is for calling for the memory
And described instruction is executed, to realize the described in any item methods of claim 9-16.
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CN110351870A (en) | 2019-10-18 |
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CN110351869B (en) | 2023-06-06 |
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