CN103107866B - The report method and device of channel condition information - Google Patents
The report method and device of channel condition information Download PDFInfo
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- CN103107866B CN103107866B CN201110357682.8A CN201110357682A CN103107866B CN 103107866 B CN103107866 B CN 103107866B CN 201110357682 A CN201110357682 A CN 201110357682A CN 103107866 B CN103107866 B CN 103107866B
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Abstract
The invention discloses a kind of report method of channel condition information and device.Wherein, the report method of the channel condition information includes：When multiple CSI reports to be reported collide in same subframe, user equipment determines the priority of each CSI report to be reported；User equipment reports the CSI report of highest priority in multiple CSI reports to be reported in above-mentioned subframe to base station side.By the way that this is bright, solve in CoMP technologies when multiple CSI reports collide, it is impossible to it is determined that report CSI report the problem of so that ensure that network side most in the urgent need to CSI report, improve the performance of system.
Description
Technical field
The present invention relates to the communications field, in particular to the report method and device of a kind of channel condition information.
Background technology
In order to improve the data throughout in Cellular Networks by the larger edge customer of inter-cell interference, to Long Term Evolution
Coordinate multipoint technology (Cooperate is proposed in (Long Term Evolution, abbreviation LTE) systematic research
Multiple Point, abbreviation CoMP) technology.CoMP technologies contain joint transmission (Joint Transmission, abbreviation
JT), cooperative beam formation/cooperative scheduling (Cooperate Beamforming/Cooperate Scheduling, abbreviation CB/
CS), dynamic node selection (Dynamic Point Selection, abbreviation DPS) and dynamic node silence (Dynamic Point
Blanking, abbreviation DPB) etc. a few class technologies.These technologies are that (have identical or different identifier (ID) by multiple nodes
Cell, or spaced antenna are all referred to as node) spatial domain cooperation is carried out, to improve signal power while reducing interference, to realize
The lifting of community marginal user performance.In these cooperative nodes, if the ID of node is different, user equipment (User
Equipment, abbreviation UE) access cell be service node, and participate in spatial domain cooperation cell be cooperative node.UE sides are usual
Need to measure the channel condition information (Channel State Information, abbreviation CSI) of each cooperative node, including：Channel
Coefficient matrix, Signal to Interference plus Noise Ratio (SINR), channel rank information etc., and with pre-coding matrix instruction (Precoding Matric
Indicator, abbreviation PMI), channel quality indicate (Channel Quality Indicator, abbreviation CQI), order instruction
(Rank Indicator, abbreviation RI), and precoding type indicate (Precoding Type Indicator, abbreviation PTI),
Or the form of other instructions that may be increased newly is reported, and is properly termed as CSI report.Network side is scheduled using these information, is led to
Cross the improvement that internode collaboration realizes UE performances.
In actual applications, UE is in the CSI report of periodic report each cooperative node, it is possible that multiple CSI are reported
Accusing needs to be reported in same subframe, that is, situation about colliding, in the related art, for CoMP feedback technique
In, the situation that multiple CSI reports collide not yet proposes effective solution at present.
The content of the invention
For in CoMP feedback technique, situation about being collided in multiple CSI reports not yet proposes effective solution party
The problem of case, the invention provides a kind of report method of channel condition information and device, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of report method of channel condition information (CSI), including：When many
Individual CSI report to be reported is when same subframe collides, and user equipment determines each CSI report to be reported
Priority；The user equipment reports in the multiple CSI report to be reported priority most in the subframe to base station side
High CSI report.
Preferably, the user equipment determine each CSI report to be reported priority include it is following at least it
One：Nearest one or more CSI reports that the base station side according to warp-wise is reported determine the preferential of each CSI report
Level；Report Type according to CSI report each described determines the priority of each CSI report；Sent out according to the base station side
The priority that the radio resource control RRC signaling sent is semi-statically configured, determines the priority of each CSI report；According to each
Whether transmission signal determines the priority of each CSI report to the corresponding node of the individual CSI report；Determine the base station side
The highest priority for the CSI report that UE is reported when multiple CSI reports are collided and occurred is indicated in Downlink Control Information DCI；Institute
State user equipment and a CSI report is selected from the multiple CSI report, the priority of the CSI report of selection is set
For highest.
Preferably, the priority of the CSI report of selection is set in the case of highest in the user equipment, institute
The mark for the CSI report for indicating to report is carried in the CSI report for stating user equipment to report.
Preferably, nearest one or more CSI reports that the base station side according to warp-wise is reported are determined described in each
The priority of CSI report includes：It is determined that channel state information reference signals (CSI-RS) resource is corresponding described treats
During the priority of the CSI report of report, the user equipment is according to being determined the one or more CSI reports reported recently
The channel quality of CSI-RS, according to the channel quality of the CSI-RS, it is determined that corresponding with the CSI-RS
The priority of the CSI report to be reported, wherein, one or more of CSI reports for having reported are and CSI-RS
The corresponding CSI report of resource, the channel quality of the CSI-RS is better, and the CSI-RS is corresponding described to be reported
The priority of CSI report is higher；And/or, it is determined that the corresponding CSI report to be reported of a CSI-RS it is preferential
During level, according to the closest time interval for once reporting the corresponding CSI report of the CSI-RS of the subframe, institute is determined
The priority of the corresponding CSI report to be reported of CSI-RS is stated, wherein, the time interval is longer, the CSI-
The priority of the corresponding CSI report to be reported of RS resources is higher.
Preferably, the user equipment determines that the CSI-RS is provided according to the one or more CSI reports reported recently
The channel quality in source, including：Channel matter of the user equipment in the one or more CSI reports reported recently
The average Signal to Interference plus Noise Ratio SINR that amount instruction CQI is calculated, using the indexs of the averagely SINR as the channel quality；Or, it is described
The data that channel quality indicator (CQI) of the user equipment in the one or more CSI reports reported recently is calculated are gulped down
The amount of telling, using the data throughout as the channel quality index；Or, the user equipment has been reported recently by described
The average value of CQI in one or more CSI reports as channel quality index.
Preferably, when the multiple CSI report to be reported collided is the CSI report of correspondence different sub-band,
The user equipment determines that the priority of each CSI report includes：The user equipment respectively according to having reported recently
One or more CSI reports determine the letter of CSI-RSs different in the corresponding subband of each described CSI report to be reported
Different CSI-RSs are ranked up by road quality in respective sub-bands from high to low by channel quality；The user equipment is each
Different CSI-RSs put in order in individual subband, determine the priority of each CSI report to be reported, wherein, institute
State the corresponding CSI-RS of CSI report to be reported more forward in the corresponding subband sequence of the CSI report to be reported, it is described
The priority of CSI report to be reported is higher.
Preferably, according to the corresponding node of each described CSI report, whether transmission signal determines each CSI report
Priority, including：Indicated according to DCI, when the corresponding node of a CSI report in the multiple CSI report to be reported exists
Present sub-frame is the node of transmission signal, or one or more subframes before present sub-frame are selected as the section of transmission signal
Point, then the priority of the corresponding CSI report to be reported of the node of the transmission signal is higher than the multiple CSI reports to be reported
The not priority of the corresponding CSI report to be reported of the node of transmission signal in announcement.
It is preferred that, determine that the base station side indicates UE when multiple CSI reports collide generation in Downlink Control Information (DCI)
The highest priority of the CSI report reported, including：The Downlink Control Information (DCI) that base station side is issued is obtained, wherein, the DCI
In carry priority indication information for indicating the CSI report that the user equipment is reported when colliding；It is described to use
Family equipment determines the excellent of CSI report indicated by the priority indication information according to the instruction of the priority indication information
First level highest.
Preferably, the priority of each CSI report is determined according to the Report Type of CSI report each described, including：
The excellent of each CSI report is determined according to the Report Type of each CSI report in the multiple CSI report to be reported
First level, wherein, the order of the Report Type of priority from high to low is：Include order instruction RI Report Type；Include broadband letter
The Report Type of breath；Report Type comprising sub-band information.
Preferably, the priority of each CSI report is determined according to the Report Type of CSI report each described, including：
The excellent of each CSI report is determined according to the Report Type of each CSI report in the multiple CSI report to be reported
First level, wherein, the order of the Report Type of priority from high to low is：Report Type comprising RI；Comprising when multiple nodes connection
Close the Report Type of broadband CQI information when transmitting；Comprising wideband phase control information between broadband precoding information or node,
Or the Report Type of broadband CQI information；Include the Report Type of the sub-band CQI information when multiple node joint transmissions；Comprising
The Report Type of subband phase correction information or sub-band CQI information between subband precoding information or node.
According to another aspect of the present invention there is provided a kind of channel condition information (CSI) reporting device, positioned at user
Equipment, including：Determining module, for when multiple CSI reports to be reported collide in same subframe, determining each institute
State the priority of CSI report；Reporting module, for reporting the multiple CSI to be reported to report to base station side in the subframe
The CSI report of highest priority in announcement.
Preferably, the determining module determines each CSI report to be reported at least one in such a way
Priority：Nearest one or more CSI reports that the base station side according to warp-wise is reported determine each CSI report
Priority；Report Type according to CSI report each described determines the priority of each CSI report；According to the base station
The priority that the radio resource control RRC signaling that side is sent is semi-statically configured, determines the priority of each CSI report；Root
According to the corresponding node of CSI report each described, whether transmission signal determines the priority of each CSI report；Determine the base
Side of standing indicates the excellent of the CSI report that user equipment is reported when multiple CSI reports are collided and occurred in the Downlink Control Information (DCI)
First level highest；A CSI report is selected from the multiple CSI report, the priority of the CSI report of selection is set to
Highest.
Preferably, a CSI report is selected from the multiple CSI report in the determining module, by described in selection
The priority of CSI report is set in the case of highest, is carried in the CSI report that the reporting module is reported in instruction
The mark of the CSI report of report.
By the present invention, when multiple CSI reports to be reported collide in same subframe, user equipment is first determined
The priority of each CSI report, then selects to report the CSI report of highest priority in the subframe, solves CoMP technologies
In when multiple CSI reports collide, it is impossible to it is determined that report CSI report the problem of, so as to ensure that network side is most urgent
The CSI's needed reports, and improves the performance of system.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of CSI according to embodiments of the present invention report method；
Fig. 2 is the schematic diagram of CoMP according to embodiments of the present invention multi-cell channel measurement and report；
Fig. 3 is the CSI-RS Patten signals of corresponding 8 antenna port of two CSI reports according to embodiments of the present invention
Figure；
Fig. 4 is the schematic diagram that multiple CSI reports according to embodiments of the present invention collide；
Fig. 5 be a kind of selection according to embodiments of the present invention be used to calculating each CSI report report priority system
The schematic diagram of CSI report is reported；
Fig. 6 be another selection according to embodiments of the present invention be used to calculating each CSI report report priority system
The schematic diagram for having reported CSI report；
Fig. 7 is that use multiple priorities judgment mode combination according to the preferred embodiment of the invention determines that CSI report is preferential
The flow chart of level；
Fig. 8 is the signal for being selected as CSI report priority adjustment during DPS transmitting nodes according to embodiments of the present invention
Figure；
The schematic diagram that CSI report priority is adjusted when Fig. 9 is dynamic select JT transmitting nodes according to embodiments of the present invention；
Figure 10 is the structural representation of CSI according to embodiments of the present invention reporting device.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Fig. 1 is the flow chart of CSI according to embodiments of the present invention report method, and this method is applied in CoMP technologies,
For UE to multiple CSI reports carry out periodic feedback when, when multiple CSI reports need reported in same subframe,
When colliding, the CSI report reported how is determined.As shown in figure 1, the report method of the CSI is mainly included the following steps that
S102 to step S104.
Step S102, when multiple CSI reports to be reported collide in same subframe, user equipment determines each
The priority of the CSI report；
In embodiments of the present invention, when multiple CSI reports collide in a subframe, UE can be according to one or more
Priority determination mode determines the priority of each CSI report, and reports highest priority, and abandons other CSI reports.
For example, in a preferred embodiment of the embodiment of the present invention, UE determines the priority mode of each CSI report to be reported
Including but not limited to one below or its any combination：
(1) nearest one or more CSI reports that UE lateral roots are reported according to warp-wise base station side determine priority；
(2) priority is determined by Report Type；
(3) priority is semi-statically configured by RRC signaling；
(4) whether it is that the node of transmission signal determines priority according to each corresponding node of CSI report to be reported；
(5) base station side is indicated what UE was reported when multiple CSI reports are collided and occurred in Downlink Control Information (DCI)
The priority of CSI report is set to highest；
(6) UE sides select a CSI report from multiple CSI reports to be reported, and the priority of the CSI report is set
For highest, in this case, which CSI report what UE sides indicated currently to report in CSI report is.
The determination mode to above-mentioned various CSI report priority is illustrated further below.
(1) UE lateral roots determine priority according to the CSI report that warp-wise base station side is reported.In this fashion, it is determined that one
During the priority of the corresponding CSI report of individual CSI-RS, UE sides can have been reported most using the CSI-RS is corresponding
Nearly one or more CSI reports determine the channel quality of the CSI-RS, and/or according to present sub-frame apart from the CSI-
The time interval for the CSI report that RS resources corresponding the last time reports, come judge the CSI-RS CSI report it is preferential
Level, wherein, channel quality is better, and priority is higher, and/or longer apart from the time that upper the last time reports, and priority is higher.
In this approach, using it is one or more recently reported the CSI report to determine channel quality when, can be according to nearest
The average Signal to Interference plus Noise Ratio (SINR) that CQI in one or more CSI reports reported is calculated, or according to one or more recently
The data throughout that CQI in the CSI report reported is calculated, using the data amount of gulping down as channel quality instruction；Or according to most
The average value of CQI in nearly one or more CSI reports reported, as the index of channel quality, channel quality more it is good then
Corresponding CSI report priority is higher.
Wherein, if there is the CSI- of same channel quality in the corresponding CSI-RS of multiple CSI reports to be reported
RS resources, then the last time that can be further according to present sub-frame apart from channel quality identical each CSI-RS reports
The time interval of CSI report determine priority, the time reported apart from upper the last time longer CSI-RS correspondence
CSI report priority it is higher.
When the CSI report of correspondence different sub-band collides, the excellent of each CSI report can be determined by the following method
First level：Determine different CSI-RSs in the corresponding subband of each CSI report to be reported respectively according to the method described above
Channel quality, and different CSI-RSs are ranked up in respective sub-bands by channel quality；When a CSI report is corresponding
CSI-RS the corresponding subband of the CSI report in sort that sequence number is higher according to the method, i.e., channel quality is better, then should
The priority of CSI report is higher.
In a preferred embodiment of the embodiment of the present invention, which can also be further combined with other priority
Determination mode reports priority determine CSI report.For example, being ranked up with reference to by CSI report type priority level, that is, work as hair
When the Report Type of the CSI report of raw collision has equal priority, the CSI report pair collided determined in the manner described above
The channel quality for the CSI-RS answered, further the priority to the CSI report with equal priority make a distinction.If
All, then the priority that can be semi-statically configured according to base station side by RRC signaling determines each CSI report to priority ranking
Report priority.
(2) whether it is that the node of transmission signal determines priority according to each corresponding node of CSI report to be reported.
Indicated according to the DCI of base station side, when the corresponding node of a CSI report is in the node that present sub-frame is transmission signal, or currently
Previous or preceding multiple subframes of subframe are selected as the node of transmission signal, then the corresponding CSI reports of the node of the transmission signal
Priority of the priority of announcement higher than the not corresponding CSI report of transmission signal node.
(3) UE sides select a CSI report from multiple CSI reports to be reported.When multiple CSI periodic reports are one
When individual subframe collides, UE can select to report one of CSI report, and abandon other CSI reports, selected reporting
During the CSI report selected, added in the CSI report one or more bits be used for indicate which CSI report report be.
(4) base station side, is indicated what UE was reported when multiple CSI reports are collided and occurred in Downlink Control Information (DCI)
The priority of CSI report is set to highest.Base station side adds priority indication information beforehand through in Downlink Control Information DCI
The CSI report of which cell is reported during for indicating that UE collides, when multiple CSI periodic reports collide in a subframe
When, the priority of the CSI report indicated in priority indication information is set to highest by UE lateral roots according to the instruction of base station side.
(5) priority is determined by Report Type.In this fashion, except being reported using specified in the agreement of LTE versions 10
Accuse that type priority level order is outer, i.e., the priority of the CSI report of various Report Types is in the following order from high to low：Include RI
Report Type priority be higher than the Report Type comprising wide-band-message, the Report Type priority comprising sub-band information is minimum,
Can also use to following all or part of Report Type according to priority order sort, from high to low for：
Report Type comprising RI；
Include the Report Type of the broadband CQI information when multiple node joint transmissions；
Include the Report Type of broadband precoding information, or wideband phase control information between node, or broadband CQI information；
Include the Report Type of the sub-band CQI information when multiple node joint transmissions；
Include the Report Type of subband precoding information, or subband phase correction information between node, or sub-band CQI information.
During specific embodiment, above-mentioned various priority determination modes can be independently operated, and can also be mutually combined
Use, for example, priority determines that principle first determines priority according to the Report Type defined in LTE protocol, the report comprising RI
Type priority level is higher than the Report Type comprising wide-band-message, and the Report Type priority comprising sub-band information is minimum.When identical
The Report Type of priority occurs in same subframe, then wireless heterogeneous networks (RRC) signaling sent by network side is semi-static
The node ID priority of disposing order of configuration, the more low then priority of node ID is higher.
Step S104, user equipment reports excellent in the multiple CSI report to be reported in the subframe to base station side
First level highest CSI report.
User equipment is it is determined that after the priority of each CSI report to be reported, report the CSI of highest priority to report
Accuse, abandon other CSI reports.
In above-mentioned CSI provided in an embodiment of the present invention report method, when multiple CSI reports are needed in same subframe
It is middle to be reported, that is, when colliding, report the CSI report of highest priority, it is ensured that most in the urgent need to CSI report, carry
High systematic function.
Below with a remote radio end (Remote under a macro base station (Macro) shown in Fig. 2 and its covering
Radio Head, referred to as RRH) it is that in case of a UE is serviced, the embodiment of the present invention is provided by specific embodiment
Technical scheme illustrate.Fig. 3 is corresponding CSI-RS patterns (patten) schematic diagram of two nodes, wherein, patten 1
Corresponding to Macro 8 ports from 0-7, and patten 2 corresponds to RRH 4 ports from 0-3.UE passes through measurement two
Individual CSI-RS Patten obtain Macro and RRH CSI report, respectively report 1 and report 2.In fig. 2, two transmitting sections
Point to UE channel matrix is respectively H1 and H2, and UE reports the channel condition information of two transmitting nodes measured to macro base station
CSI1 and CSI2.UE with CSI report pattern 1-0 or 1-1 or 2-0 or 2-1 can report CSI1, CSI2 by PUCCH.Base station side
By for each a set of feedback parameter of CSI report separate configurations, i.e. CQI and PMI configuration index ICQI/PMIAnd RI matches somebody with somebody
Put call number IRI, to indicate cycle and the sub-frame offset of each periodic report.And RI sub-frame offset is the son reported in broadband
Along with an offset on frame number.When by the way of this separate configurations, it can be reported by properly selecting each
Cycle and sub-frame offset reduce collision as far as possible, i.e., different reports need to report in same subframe, but collide in many feelings
It is inevitable under condition.When colliding, it is necessary to report the CSI report of highest priority by priority mechanism, and lose
Abandon other priority low.By the following examples come illustrate the present invention feedback priority level determination mechanism.
Embodiment one
In the present embodiment, there are two CSI reports to be reported in the way of TDM, and each report is stood alone as by base station
Configure feedback cycle and sub-frame offset.In Fig. 4, the configuration of two periodic reports is respectively periodic report configuration 1 and cycle report
Accuse configuration 2.Wherein, sub-frame offset is 0 in periodic report configuration 1, and the cycle is 5ms, and sub-frame offset is 1 in periodic report configuration 2,
Cycle is 2ms.As shown in figure 4, in two subframe positions of A, B, two CSI reports are collided, and can only now be reported wherein
One and abandon another.Assuming that the Report Type (report type) of two reports has identical on the two position of collisions
Type priority level (priority is as defined in LTE R10 agreements), for example, be all subband CSI report, then in the present embodiment,
Determine to report priority by average Signal to Interference plus Noise Ratio SINR.Select the selection of the CSI report for calculating average SINR can be such as
Shown in Fig. 5 and 6.For example, right to colliding the CQI included in nearest 3 CSI reports (as shown in Figure 6) reported before subframe institutes
The SINR answered is averaged, or the SINR of the CSI report (as shown in Figure 5) in 15ms is averaged recently, can also be by formula
SINRave(t)=λ SINR (t-1)+(1- λ) SINRave(t-1) calculate average SINR, wherein, t be currently collide when
Carve, and the λ forgetting factors that to be a value be between 0 to 1, for determining power of the nearest SINR when calculating average SINR
Weight, SINR (t) is the average SINR for currently reporting the moment.What averagely SINR was big then reports priority high.In Fig. 4, according to described
Method, it is assumed that calculate obtained average SINR by the CSI of two reports respectively, the corresponding average SINR of report configuration 1 is less than report
The corresponding average SINR of configuration 2 is accused, then the priority by periodic report configuration 2 is higher, therefore in the subframe of two collisions of A, B
Report reports 2 and abandons report 1.
Embodiment two
In the embodiment, when it is determined that CSI report reports priority, in addition to needing to consider SINR in embodiment one, also
Consider currently to report moment t to receive the time interval Δ T that the CSI of the Patten is reported to the last base station side, determine one
For judging that the CSI of the Patten reports the coefficient of priority, and the big float of the priority factor according to each cell
Arrange each cell and report priority.The calculating of priority factor can be metric=SINRavg+ α Δ T, wherein, α is conversion Δ
T does not consider Δ T influence when α is 0 to the coefficient of priority-sensitive.
Embodiment three
In the present embodiment, the whole frequency domain channel bandwidth of system is divided into 8 subbands, it is assumed that subframe A collides in Fig. 4
Two CSI reports, respectively Macro is in the subband CSI report of subband 1, and RRH is in the subband CSI report of subband 2.First
By the Macro CSI report reported, average Signal to Interference plus Noise Ratio SINR11 and channel on channel H1 subband 1 in Fig. 2 are calculated
Average Signal to Interference plus Noise Ratio SINR21 on H2 subband 1, it is assumed that SINR11 is more than SINR21.In addition, calculating on channel H1 subband 2
Average Signal to Interference plus Noise Ratio SINR12 and channel H2 subband 2 on average letter dry compare SINR22, it is assumed that SINR12 is more than
SINR22.So Macro subband CSI report priority is high.Report Macro's and abandon RRH CSI report.
Example IV
In the present embodiment, in addition to embodiment two, three kind of method, determine that CSI is reported preferentially herein in connection with other methods
Level, so that the present invention is further described.Other methods include priority determination mode by Report Type, semi-static
The priority determination mode of configuration.Fig. 7 is the flow chart of the report method of CSI report in the present embodiment, as shown in fig. 7, mainly
Comprise the following steps：
Step 1：When CSI report 1 and CSI report 2 collide；
Step 2：CSI1 and CSI2 priority are determined according to the Report Type priority described in background；
Step 3：Reported if having different Report Type priority if CSI1 and CSI2 higher priority and abandon low
Priority, if the Report Type priority of two reports is identical, to next step；
Step 4：By method in embodiment 1 or 2, calculate based on average SINR and/or report priority factor, and with this
Coefficient in different report middle width strips or same sub-band to being ranked up and being used as priority level using sequence number；
Step 5：If CSI1 is different with CSI2 priority, report high priority and abandon low priority, such as
Priority factor in the identical then direct comparison step 4 of fruit priority, big then priority is high；
Step 6：If priority is different, report that priority is high and loss priority is low, otherwise next step；
Step 7：Priority according to each node being semi-statically configured is compared, and reports priority high, and is abandoned excellent
First level is low.
Embodiment five
The present embodiment, when UE is configured as DPS patterns, determines the method that multiple CSI reports report priority to one kind.
Priority determination mode is one or more subframes before conflict subframe, if UE is configured as DPS patterns, and node A
It is selected as transmitting node, then the CSI report priority of the node is upgraded to highest automatically.Match somebody with somebody as shown in figure 8, base station side is semi-static
The priority put is higher than report B for report A, when CSI report A and CSI report B collides, because the prosthomere of collision subframe
Point B is DPS transmitting nodes, then CSI report B is upgraded to limit priority, and abandons report A.
Embodiment six
In the present embodiment, illustrate the CSI to each node after being selected according to dynamic cooperative cell under joint transmission (JT) pattern
The method that report priority is adjusted.Assume that CoMP measuring assembly is equal to report set in the embodiment.As shown in figure 9,
Base station side is when being semi-statically configured report set, while configuring each node CSI report priority for CSI A>CSI B>CSI C.
It is selected as JT cooperative node in subframe n, node A, C, then reports priority to be adjusted CSI after subframe n, if institute
Show, in subframe n+1, CSI A>CSI C>CSI B.
Embodiment seven
In the present embodiment, which node what is selected by UE sides and indicate to report is, and is collectively notified in CSI report base
Stand side.UE sides add 1 bit in CSI report, indicate when two CSI report CSI A and CSI B collide, the bit
Represent to report CSI A for 0, be that 1 expression reports CSI B.
Embodiment eight
In the present embodiment, which CSI report is reported when colliding according to DCI dynamic instructions UE.Base station side can lead to
The subframe position for the parameter prediction generating period CSI report collision for being allocated to UE is crossed, before this subframe, base station side is the UE's
A bit or dibit are added in DCI, indicates which CSI report UE reports when colliding.
According to embodiments of the present invention, a kind of CSI reporting device is additionally provided, the device is located at user equipment (UE) side,
Can be for implementing above-mentioned CSI provided in an embodiment of the present invention report method.As shown in Figure 10, it is according to embodiments of the present invention
CSI reporting device mainly includes：Determining module 10, for being touched in multiple CSI reports to be reported in same subframe
When hitting, the priority of each CSI report is determined；Reporting module 20, is connected with determining module 10, in above-mentioned subframe
The CSI report of highest priority in the multiple CSI report to be reported is reported to base station side.
By CSI provided in an embodiment of the present invention reporting device, when multiple CSI reports to be reported are in same subframe
When colliding, determining module 10 can determine the priority of each CSI report, and then reporting module 20 is selected in the subframe
The CSI report of highest priority, is solved in CoMP technologies when multiple CSI reports collide, it is impossible to it is determined that report
The problem of CSI report, thus ensure that network side most in the urgent need to CSI report, improve the performance of system.
In a preferred embodiment of the embodiment of the present invention, determining module 10 can at least one in such a way
Determine the priority of each CSI report to be reported：
Nearest one or more CSI reports that the base station side according to warp-wise is reported determine each CSI report
Priority；
Report Type according to CSI report each described determines the priority of each CSI report；
The priority that the radio resource control RRC signaling sent according to the base station side is semi-statically configured, determines each institute
State the priority of CSI report；
According to the corresponding node of each described CSI report, whether transmission signal determines the priority of each CSI report；
Determine that the base station side indicates what UE was reported when multiple CSI reports are collided and occurred in Downlink Control Information DCI
The highest priority of CSI report；
A CSI report is selected from the multiple CSI report, the priority of the CSI report of selection is set to
Highest.
Wherein, a CSI report is selected from the multiple CSI report in determining module 10, the CSI of selection is reported
The priority of announcement is set in the case of highest, and the institute for indicating to report is carried in the CSI report that reporting module 20 is reported
State the mark of CSI report.
In specific implementation process, determining module 10 can be true in the way of described in above-mentioned CSI report method
The priority of each fixed CSI report to be reported, is specifically repeated no more.
As can be seen from the above description, in embodiments of the present invention, when simultaneously multiple CSI reports occur at one
During subframe, by determining that the priority of each CSI report to be reported determines the CSI report currently reported, it can make full use of
Closer to the CSI for the subframe that collides on time, determine to provide more reliable information for the priority of different CSI reports,
So as to improve the performance of system.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted
Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to they are stored
Performed in the storage device by computing device, and in some cases, can be shown to be performed different from order herein
The step of going out or describe, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
1. a kind of channel condition information CSI report method, it is characterised in that including：
When multiple CSI reports to be reported collide in same subframe, user equipment determines that each is described to be reported
The priority of CSI report；
The user equipment reports highest priority in the multiple CSI report to be reported in the subframe to base station side
CSI report；
Wherein, when the multiple CSI report to be reported collided is the CSI report of correspondence different sub-band, the use
Family equipment determines that the priority of each CSI report includes：
The user equipment determines each CSI to be reported according to the one or more CSI reports reported recently respectively
The channel quality of CSI-RSs different in corresponding subband is reported, by channel quality from high to low in respective sub-bands to not
It is ranked up with CSI-RS；
The user equipment puts in order according to different CSI-RS in each subband, determines that each is described to be reported
The priority of CSI report, wherein, the corresponding CSI-RS of the CSI report to be reported is in the CSI report pair to be reported
The subband sequence answered is more forward, and the priority of the CSI report to be reported is higher.
2. according to the method described in claim 1, it is characterised in that the user equipment determines each CSI to be reported
The priority of report includes at least one of：
Nearest one or more CSI reports that the base station side according to warp-wise is reported determine the excellent of each CSI report
First level；
Report Type according to CSI report each described determines the priority of each CSI report；
The priority that the radio resource control RRC signaling sent according to the base station side is semi-statically configured, determines each CSI
The priority of report；
According to the corresponding node of each described CSI report, whether transmission signal determines the priority of each CSI report；
Determine that the base station side indicates that user equipment is reported when multiple CSI reports are collided and occurred in Downlink Control Information DCI
CSI report highest priority；
The user equipment selects a CSI report from the multiple CSI report, by the preferential of the CSI report of selection
Level is set to highest.
3. method according to claim 2, it is characterised in that in the user equipment by the CSI report of selection
Priority is set in the case of highest, carried in the CSI report of the user equipment to report indicate report it is described
The mark of CSI report.
4. method according to claim 2, it is characterised in that nearest one that the base station side according to warp-wise is reported
Or multiple CSI reports determine that the priority of each CSI report includes：
It is determined that the priority of the corresponding CSI report to be reported of a channel state information reference signals CSI-RS
When, the user equipment determines the channel quality of the CSI-RS according to the one or more CSI reports reported recently,
According to the channel quality of the CSI-RS, it is determined that the CSI report to be reported corresponding with the CSI-RS
Priority, wherein, the one or more of CSI reports reported are CSI report corresponding with CSI-RS, described
The channel quality of CSI-RS is better, and the priority of the corresponding CSI report to be reported of the CSI-RS is higher；With/
Or
It is determined that the corresponding CSI report to be reported of a CSI-RS priority when, according to the subframe distance
The last time reports the time interval of the corresponding CSI report of the CSI-RS, determines the corresponding institute of the CSI-RS
The priority of CSI report to be reported is stated, wherein, the time interval is longer, and the CSI-RS is corresponding described to be treated
The priority of the CSI report of report is higher.
5. method according to claim 4, it is characterised in that the user equipment is according to one or many reported recently
Individual CSI report determines the channel quality of the CSI-RS, including：
Channel quality indicator (CQI) of the user equipment in the one or more CSI reports reported recently is calculated
Average Signal to Interference plus Noise Ratio SINR, the average SINR is used as to the index of the channel quality；Or, the user equipment is according to institute
The data throughout that the channel quality indicator (CQI) in the one or more CSI reports reported recently is calculated is stated, by the data
Handling capacity as the channel quality index；Or, the user equipment reports the one or more CSI reported recently
The average value of CQI in announcement as channel quality index.
6. method according to claim 2, it is characterised in that whether sent out according to the corresponding node of each described CSI report
The priority that signal determines each CSI report is penetrated, including：
Indicated according to DCI, when the corresponding node of a CSI report in the multiple CSI report to be reported is in present sub-frame
For the node of transmission signal, or one or more subframes before present sub-frame are selected as the node of transmission signal, then described
The priority of the corresponding CSI report to be reported of node of transmission signal, which is higher than in the multiple CSI report to be reported, not to be sent out
Penetrate the priority of the corresponding CSI report to be reported of node of signal.
7. method according to claim 2, it is characterised in that determine that the base station side refers in Downlink Control Information DCI
Show the highest priority for the CSI report that UE is reported when multiple CSI reports are collided and occurred, including：
The Downlink Control Information DCI that base station side is issued is obtained, wherein, carried in the DCI for indicating the user equipment
The priority indication information of the CSI report reported when colliding；
The user equipment is determined indicated by the priority indication information according to the instruction of the priority indication information
The highest priority of CSI report.
8. method according to claim 2, it is characterised in that the Report Type according to CSI report each described determines each
The priority of the individual CSI report, including：
Each CSI report is determined according to the Report Type of each CSI report in the multiple CSI report to be reported
Priority, wherein, the order of the Report Type of priority from high to low is：
Include order instruction RI Report Type；
Report Type comprising wide-band-message；
Report Type comprising sub-band information.
9. method according to claim 2, it is characterised in that the Report Type according to CSI report each described determines each
The priority of the individual CSI report, including：
Each CSI report is determined according to the Report Type of each CSI report in the multiple CSI report to be reported
Priority, wherein, the order of the Report Type of priority from high to low is：
Report Type comprising RI；
Include the Report Type of the broadband CQI information when multiple node joint transmissions；
Include the Report Type of wideband phase control information or broadband CQI information between broadband precoding information or node；
Include the Report Type of the sub-band CQI information when multiple node joint transmissions；
Include the Report Type of subband phase correction information or sub-band CQI information between subband precoding information or node.
10. a kind of channel condition information CSI reporting device, positioned at user equipment, it is characterised in that including：
Determining module, for when multiple CSI reports to be reported collide in same subframe, determining each CSI
The priority of report；
Reporting module, for reporting highest priority in the multiple CSI report to be reported to base station side in the subframe
CSI report；
Wherein, it is described true when the multiple CSI report to be reported collided is the CSI report of correspondence different sub-band
Cover half block is additionally operable to determine the priority of each CSI report by following steps：
Respectively the corresponding son of each described CSI report to be reported is determined according to the one or more CSI reports reported recently
The channel quality of different CSI-RSs in band, by channel quality from high to low in respective sub-bands to different CSI-RSs
It is ranked up；
Put in order according to different CSI-RS in each subband, determine the preferential of each CSI report to be reported
Level, wherein, the corresponding CSI-RS of the CSI report to be reported is in the corresponding subband sequence of the CSI report to be reported
More forward, the priority of the CSI report to be reported is higher.
11. device according to claim 10, it is characterised in that the determining module is at least one in such a way really
The priority of each fixed CSI report to be reported：
Nearest one or more CSI reports that the base station side according to warp-wise is reported determine the excellent of each CSI report
First level；
Report Type according to CSI report each described determines the priority of each CSI report；
The priority that the radio resource control RRC signaling sent according to the base station side is semi-statically configured, determines each CSI
The priority of report；
According to the corresponding node of each described CSI report, whether transmission signal determines the priority of each CSI report；
Determine that the base station side indicates that user equipment is reported when multiple CSI reports are collided and occurred in Downlink Control Information DCI
CSI report highest priority；
A CSI report is selected from the multiple CSI report, the priority of the CSI report of selection is set to highest.
12. device according to claim 11, it is characterised in that in the determining module from the multiple CSI report
A CSI report is selected, the priority of the CSI report of selection is set in the case of highest, in the reporting module
The mark for the CSI report for indicating to report is carried in the CSI report of report.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110357682.8A CN103107866B (en) | 2011-11-11 | 2011-11-11 | The report method and device of channel condition information |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110357682.8A CN103107866B (en) | 2011-11-11 | 2011-11-11 | The report method and device of channel condition information |
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| CN103107866B true CN103107866B (en) | 2017-08-08 |
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Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015051529A1 (en) * | 2013-10-11 | 2015-04-16 | 华为技术有限公司 | Method, apparatus and system for channel measurement and csi feedback |
| JP6550629B2 (en) * | 2014-03-20 | 2019-07-31 | シャープ株式会社 | Mobile station apparatus, base station apparatus, and communication method |
| CN103870952B (en) * | 2014-04-10 | 2017-05-10 | 厦门烟草工业有限责任公司 | Dynamic priority scheduling method and device for logistics system, and logistics system |
| US9867072B2 (en) * | 2014-09-19 | 2018-01-09 | Qualcomm Incorporated | Determination of subframe type for subframes containing discovery signals |
| WO2016183737A1 (en) | 2015-05-15 | 2016-11-24 | Qualcomm Incorporated | Enhanced csi procedures for fd-mimo |
| CN109818725B (en) * | 2016-11-04 | 2020-06-16 | 华为技术有限公司 | Method and device for feeding back channel state information |
| CN111884693B (en) * | 2017-01-09 | 2024-04-05 | 联发科技股份有限公司 | Wireless communication method of user equipment and user equipment |
| CN109391344B (en) * | 2017-08-03 | 2021-04-23 | 维沃移动通信有限公司 | Transmission method of reported information, user side equipment and network side equipment |
| CN114826536A (en) | 2017-12-29 | 2022-07-29 | 中兴通讯股份有限公司 | Transmission method and device for measurement reference signal |
| ES2962256T3 (en) * | 2018-01-12 | 2024-03-18 | Nokia Technologies Oy | SPS Multi-Cell/CSI Periodic Report for Wireless Network |
| CN109302272B (en) * | 2018-02-13 | 2022-06-03 | 中兴通讯股份有限公司 | CSI report sending and receiving method and device, and electronic device |
| CN110351045B (en) * | 2018-04-04 | 2021-08-17 | 维沃移动通信有限公司 | CSI report transmission method, terminal equipment and network equipment |
| CN110474664B (en) * | 2018-05-11 | 2021-05-04 | 华为技术有限公司 | Method and device for transmitting data and computer readable storage medium |
| WO2020006652A1 (en) | 2018-07-02 | 2020-01-09 | Qualcomm Incorporated | Techniques for prioritizing csi reports |
| WO2020029157A1 (en) * | 2018-08-09 | 2020-02-13 | Qualcomm Incorporated | Feedback prioritization for wireless communications |
| CN110233654B (en) * | 2018-09-28 | 2020-07-14 | 华为技术有限公司 | Method, device and system for feeding back channel state information |
| CN111277357B (en) * | 2018-12-26 | 2023-05-09 | 维沃移动通信有限公司 | Method and terminal for transmitting channel state information report |
| JP7181675B2 (en) * | 2019-04-19 | 2022-12-01 | 株式会社Ｎｔｔドコモ | Terminal, wireless communication method, base station and system |
| CN111278057B (en) * | 2019-04-26 | 2022-03-25 | 维沃移动通信有限公司 | Uplink transmission method, terminal and network side equipment |
| EP3918830B1 (en) * | 2019-09-23 | 2023-08-09 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and user equipment for determining priority level of csi report |
| EP4107882A4 (en) * | 2020-02-20 | 2023-11-29 | Qualcomm Incorporated | Transmission order determination for aperiodic channel state information |
| CN117411590A (en) * | 2022-07-08 | 2024-01-16 | 中兴通讯股份有限公司 | Information transmission method, apparatus and storage medium |
| CN117955532A (en) * | 2022-10-18 | 2024-04-30 | 维沃移动通信有限公司 | Method, device, terminal and medium for reporting Channel State Information (CSI) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013954A (en) * | 2010-07-08 | 2011-04-13 | 华为技术有限公司 | Method for reporting and acquiring channel state information, base station and user equipment |
| CN102065560A (en) * | 2011-01-11 | 2011-05-18 | 电信科学技术研究院 | Method and equipment for processing CSI (Channel State Information) reporting collision |
| CN102237968A (en) * | 2011-08-16 | 2011-11-09 | 电信科学技术研究院 | Channel state information transmission method and device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162509B (en) * | 2010-04-01 | 2018-06-01 | Lg电子株式会社 | The method and its holding equipment of CSI report are sent and received in wireless access system |
-
2011
- 2011-11-11 CN CN201110357682.8A patent/CN103107866B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013954A (en) * | 2010-07-08 | 2011-04-13 | 华为技术有限公司 | Method for reporting and acquiring channel state information, base station and user equipment |
| CN102065560A (en) * | 2011-01-11 | 2011-05-18 | 电信科学技术研究院 | Method and equipment for processing CSI (Channel State Information) reporting collision |
| CN102237968A (en) * | 2011-08-16 | 2011-11-09 | 电信科学技术研究院 | Channel state information transmission method and device |
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