CN103188710B

CN103188710B - Channel condition information measuring method and system, base station and subscriber equipment

Info

Publication number: CN103188710B
Application number: CN201110456486.6A
Authority: CN
Inventors: 倪俊; 张佳胤; 倪威; 任晓涛
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2011-12-30
Filing date: 2011-12-30
Publication date: 2016-05-18
Anticipated expiration: 2031-12-30
Also published as: CN103188710A

Abstract

The embodiment of the present invention provides a kind of channel condition information measuring method and system, base station and subscriber equipment. Method comprises: the multiple CSI-RS in CSI measuring set are divided into groups, obtain at least one grouping; Send the grouping information of at least one grouping to UE, from the grouping information of at least one grouping, select the grouping information of the first grouping to carry out CSI measurement for UE, obtain a CSI; The grouping information of each grouping comprises the group character of grouping and the reference signal of the CSI that grouping comprises; Receive the indication information of the grouping information of a CSI of UE feedback and the first grouping of correspondence. Adopt the technical scheme of the embodiment of the present invention, can arrive the CSI needing by Obtaining Accurate, use very flexible.

Description

Channel condition information measuring method and system, base station and subscriber equipment

Technical field

The embodiment of the present invention relates to communication technical field, relates in particular to a kind of channel condition information measuring methodAnd system, base station and subscriber equipment.

Background technology

In current main flow wireless cellular system, conventionally use the mode of closed loop to realize communication. Close at thisUnder ring mode, subscriber equipment (UserEquipment; UE) measure descending channel condition information (ChannelStateInformation; CSI), then in a certain moment thereafter by up channel feedback to base station(as eNodeB). ENodeB is obtaining after the CSI of UE feedback, can think that the CSI of UE feedback can showLevy the channel conditions of eNodeB will be to UE transmitted signal time, therefore eNodeB can reporting according to each UEThe channel condition that characterizes of CSI, each UE is dispatched to (as being each UE transmission data distinctively).Within next period, can be only for example the good UE transmission of channel condition data, and be not channel conditionPoor UE sends data. For the mode of this closed loop, compare the open loop approach that does not need UE feedback CSI,Can greatly promote the performance of down channel, send CSI but need to take certain up channel. GrowingPhase evolution (LongTimeEvolution; LTE) in version 10 (Release10), be that CSI can compriseAs follows: order instruction (RankIndication; RI), precoding type instruction (PrecodingTypeIndicator; PTI), precoding codebook instruction (PrecodingMatrixIndicator; PMI), letterRoad mass indicator (ChannelQualityIndicator; CQI), wherein PMI is divided into again firstPMIAnd secondPMI, be to comprise both as nothing particularly points out simultaneously. It should be noted that, CSI is oneThe general designation of category information, the RI defining in LTERelease10, PTI, PMI, CQI, all rightThe value of channel, correlation of channel etc.

In the research of 3GPPRelease11, in the coverage of a base station, dispose several otherBase station, simultaneously again these extra base stations are configured to there is identical community ID with former base station. For sideJust, for the purpose of, these extra Yu Yuan base stations, base station are referred to as to transfer point (TransmissionPoint; TP).

Realizing in process of the present invention, inventor finds that in prior art, at least there are the following problems: existingThere is the CSI in technology to measure corresponding to TP, the corresponding CSI of each TP. For example forUnder some special screne, need on the CSI of corresponding multiple TP or the part antenna of a TPCSI, can realize by the CSI that measures respectively each TP for the former, has increased like this feedback and has openedPin; For the latter, normal conditions can only be measured the CSI of whole antennas that this TP is corresponding, cause and obtainThe CSI of the CSI getting and required part antenna there are differences. Therefore, adopt above-mentioned prior artThe measurement of CSI is very dumb.

Summary of the invention

The embodiment of the present invention provides a kind of channel condition information measuring method and system, base station and subscriber equipment,In order to solve the very inflexible defect of measurement of CSI in prior art.

The embodiment of the present invention provides a kind of channel condition information measuring method, comprising:

Reference signal to the multiple channel condition informations in channel condition information measuring set is divided into groups,To at least one grouping; Send the grouping information of described at least one grouping to subscriber equipment, described groupingInformation comprises the group character of described grouping and the reference letter of the channel condition information that described grouping comprisesNumber;

Receive the finger of the first channel condition information of described subscriber equipment feedback and the grouping information of the first groupingShow information, wherein said the first channel condition information be described subscriber equipment from receive described at least oneIn the grouping information of grouping, select the grouping information of the first grouping to carry out channel condition information measurement acquisition.

The embodiment of the present invention also provides a kind of channel condition information measuring method, comprising:

Receive the grouping information of at least one grouping that base station sends, described at least one be grouped into described baseStand the reference signal of the multiple channel condition informations in channel condition information measuring set divided into groups to obtainDescribed grouping information comprises the group character of described grouping and channel condition information that described grouping comprisesReference signal;

From the grouping information of described at least one grouping, select the grouping information of the first grouping to carry out channel shapeState information measurement, obtains the first channel condition information;

To the first channel condition information described in described base station feedback and the described first corresponding grouping letter dividing into groupsThe indication information of breath.

Receive the channel condition information measuring set that base station sends, described channel condition information measuring set comprisesThe reference signal of multiple channel condition informations;

Reference signal to the described multiple channel condition informations in described channel condition information measuring set is carried outGrouping, obtains at least one grouping; From the grouping information of described at least one grouping, select the first groupingGrouping information carry out channel condition information measurement, obtain the first channel condition information; Described grouping informationComprise the group character of described grouping and the reference signal of the channel condition information that described grouping comprises;

Send described the first channel condition information and the described first corresponding grouping letter dividing into groups to described base stationBreath.

To subscriber equipment transmitting channel status information measuring set, described channel condition information measuring set comprisesThe reference signal of multiple channel condition informations;

Receive described the first channel condition information and corresponding described the first grouping that described subscriber equipment sendsGrouping information; The grouping information of described the first grouping is that described subscriber equipment is to described channel condition informationThe reference signal of the described multiple channel condition informations in measuring set is divided into groups, and obtains at least one grouping,And selection obtains from the grouping information of described at least one grouping; Described the first channel condition information isDescribed subscriber equipment carries out channel condition information according to the grouping information of described the first grouping of selecting and measuresArrive.

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

Grouping module, for the reference letter of the multiple channel condition informations to channel condition information measuring setNumber divide into groups, obtain at least one grouping;

Sending module, for sending the grouping information of described at least one grouping, described point to subscriber equipmentGroup information comprises the group character of described grouping and the reference letter of the channel condition information that described grouping comprisesNumber;

Receiver module, for receiving first channel condition information and described first of described subscriber equipment feedbackThe indication information of grouping information of grouping, wherein said the first channel condition information be described subscriber equipment fromIn the grouping information of described at least one grouping receiving, select the grouping information of the first grouping to carry out channel shapeState information measurement obtains.

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

Receiver module, the grouping information of at least one grouping sending for receiving base station, described at least oneThe individual reference signal of described base station to the multiple channel condition informations in channel condition information measuring set that be grouped intoDivide into groups to obtain;

Processing module, for selecting the grouping of the first grouping from the grouping information of described at least one groupingInformation is carried out channel condition information measurement, obtains the first channel condition information;

Sending module, for to the first channel condition information described in described base station feedback and corresponding described theThe indication information of the grouping information of one grouping.

Receiver module, the channel condition information measuring set sending for receiving base station, described channel status letterBreath measuring set comprises the reference signal of multiple channel condition informations;

Grouping module, for the described multiple channel condition informations to described channel condition information measuring setReference signal divide into groups, obtain at least one grouping; Processing module, for from described at least oneIn the grouping information of grouping, select the grouping information of the first grouping to carry out channel condition information measurement, obtain theOne channel condition information; Described grouping information comprises that the group character of described grouping and described grouping compriseThe reference signal of channel condition information;

Sending module, for sending described the first channel condition information and corresponding described the to described base stationThe grouping information of one grouping.

Sending module, for to subscriber equipment transmitting channel status information measuring set, described channel status letterBreath measuring set comprises that grouping information described in the reference signal of multiple channel condition informations comprises described groupingThe reference signal of the channel condition information that group character and described grouping comprise; ;

Receiver module, described the first channel condition information and the correspondence that send for receiving described subscriber equipmentDescribed first grouping grouping information.

The embodiment of the present invention also provides a kind of channel condition information measuring system, comprises base station as aboveWith subscriber equipment as above, the grouping information of described the first grouping is that described subscriber equipment is to described letterThe reference signal of the described multiple channel condition informations in channel state information measuring set is divided into groups, obtain toA few grouping, and selection obtains from the grouping information of described at least one grouping; Described the first letterChannel state information is that described subscriber equipment carries out channel shape according to the grouping information of described the first grouping of selectingState information measurement obtains.

The channel condition information measuring method of the embodiment of the present invention and system, base station and subscriber equipment, pass throughReference signal to the multiple channel condition informations in channel condition information measuring set is divided into groups, obtain toA few grouping, and select the grouping information of grouping to carry out channel condition information measurement by subscriber equipment,To the channel condition information of this grouping and feed back to base station. The embodiment of the present invention adopts technique scheme,The reference signal of the channel condition information of needs can be divided in a grouping, and measure this point by UEGroup, can only carry out measure channel state information taking whole TP as object and overcome in prior art. AdoptThe technical scheme of the embodiment of the present invention, can arrive the channel condition information needing by Obtaining Accurate, uses veryFlexibly.

Brief description of the drawings

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, underAccompanying drawing in face description is some embodiments of the present invention, for those of ordinary skill in the art,Do not pay under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

The flow chart of the CSI measuring method that Fig. 1 provides for one embodiment of the invention;

The structural representation of a kind of packet mode that Fig. 2 provides for the embodiment of the present invention;

The flow chart of the CSI measuring method that Fig. 3 provides for another embodiment of the present invention;

The flow chart of the CSI measuring method that Fig. 4 provides for yet another embodiment of the invention;

The flow chart of the CSI measuring method that Fig. 5 provides for further embodiment of this invention;

The structural representation of the base station that Fig. 6 provides for one embodiment of the invention;

The structural representation of the UE that Fig. 7 provides for one embodiment of the invention;

Fig. 8 is the structural representation of the UE of another embodiment of the present invention;

Fig. 9 is the structural representation of the base station of another embodiment of the present invention;

The structural representation of the CSI measuring system that Figure 10 provides for the embodiment of the present invention.

Detailed description of the invention

For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with thisAccompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,Obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment. Based onEmbodiment in the present invention, those of ordinary skill in the art obtain not making under creative work prerequisiteThe every other embodiment obtaining, belongs to the scope of protection of the invention.

In existing LTERelease10, CSI can with periodic or acyclic mode toENodeB feedback. When aperiodicity feedback, UE is by Physical Uplink Shared Channel (PhysicalUplinkSharedChannel; PUSCH) feedback, because the capacity of PUSCH channel is larger, need to feed backCSI can put together and feed back simultaneously, and now eNodeB can configuration UE only feed back RI/PTI/PMI/CQIIn part but not all. When periodic feedback, UE is by Physical Uplink Control Channel (PhysicalUplinkControlChannel; PUCCH) feedback, wants because PUCCH compares PUSCH channel capacityMuch smaller, thus RI/PTI/PMI/CQI can be fed back separately or by certain combination, and eNodeBFor UE arranges corresponding feedback cycle and feedback time biasing, UE judges whether current time meets settingFeedback cycle and feedback time biasing, if meet feedback. For using, the periodicity of PUCCH is anti-Feedback CSI, LTERelease10 has defined different PUCCH forms (PUCCHFormat), canFeed back RI/PTI/PMI/CQI separately or by certain combination.

The flow chart of the CSI measuring method that Fig. 1 provides for one embodiment of the invention. As shown in Figure 1, originallyThe executive agent of the CSI measuring method of embodiment is base station. The CSI measuring method of the present embodiment is concreteCan comprise the steps:

100, the reference signal (CSI-of base station to the multiple channel condition informations in CSI measuring setReferenceSignal; CSI-RS)) divide into groups, obtain at least one grouping;

In the present embodiment, CSI-RS is a kind of reference signal defining in LTERelease10.

101, base station sends the grouping information of at least one grouping to UE;

In the present embodiment, the grouping information of each grouping comprises what the group character of grouping and grouping comprisedCSI-RS。

102, base station receives the instruction of the grouping information of a CSI of UE feedback and the first grouping of correspondenceInformation.

A CSI-RS in the present embodiment is that UE selects from the grouping information of at least one grouping of receptionSelect the grouping information of the first grouping and carry out CSI acquisition.

The CSI measuring method of the present embodiment, by adopting technique scheme, can be to CSI measuring setIn multiple CSI-RS divide into groups, obtain at least one grouping, and by UE select grouping grouping believeBreath carries out CSI measurement, obtains the CSI of this grouping and feeds back to base station. The embodiment of the present invention adopts above-mentionedTechnical scheme, can divide the CSI-RS of needs in a grouping, and measure this grouping by UE,Can only measure CSI taking whole TP as object and overcome in prior art. The employing embodiment of the present inventionTechnical scheme, can arrive the CSI needing by Obtaining Accurate, uses very flexible.

Further alternatively, on the basis of above-mentioned technical scheme embodiment illustrated in fig. 1, can also wrapDraw together following enlargement technology, form expansion embodiment embodiment illustrated in fig. 1.

In this expansion embodiment, CSI-RS is by the port-mark under configuration identifier and the configuration identifier of CSICommon mark. For example, CSI reference of a port-mark under the configuration of a CSI and this configurationSignal. Pre-in the number of the port of the antenna that wherein in the embodiment of the present invention, antenna is corresponding and existing systemThe port number that coding code book is supported is consistent, for example, can be 1,2,4 or 8.

The CSI-RS that for example, can make each grouping comprise while grouping belongs to same CSI-RS configuration,Like this mark of the mark of this each grouping and CSI-RS configuration as the sequence number of CSI-RS configuration onlyOne correspondence. But it should be noted that, this kind of packet mode is for UE, without its measurement in distinguishingWith the CSI-RS of feedback be that to be configured in TP in same site upper, or the TP of multiple different sitesUpper, be under a kind of distributing antenna system scene, the transparent CSI of UE is measured to the mode of feedback.

The structural representation of a kind of packet mode that Fig. 2 provides for the embodiment of the present invention. As shown in Figure 2, originallyIn embodiment, 3 TP that base station (eNodeB) surrounds for solid line for the CSI measuring set that UE specifies,Configured 2 CSI-RS configurations, CSI-RS configuration 0 has 4 antenna ports, and corresponding CSI-RS is respectivelyAP0,0, AP0,1, AP0,2 and AP0,3; CSI-RS configuration 1 has 8 antenna ports, corresponding CSI-RSBe respectively AP1,0, AP1,2, AP1,3, AP1,4, AP1,5, AP1,6 and AP1,7. Dotted line frame surroundsBe different groupings.

Wherein divide into groups to have comprised 1 CSI-RS configuration in 0, be configured on 2 TP upper as TP0 and TP1,Embody the CSI-RS that belongs to different TP and can belong to same grouping.

4 ports in grouping 1 in CSI-RS configuration 1 are respectively as 2 groupings, for divide into groups 1 with grouping 2,Embody the CSI-RS reference signal that belongs to same TP and can belong to different grouping.

Further alternatively, in above-mentioned expansion embodiment embodiment illustrated in fig. 1, " the base in step 101Stand and send the grouping information of at least one grouping to UE ", specifically can comprise: high-level signaling is passed through in base stationSend the grouping information of at least one grouping to UE.

Further alternatively, in above-mentioned expansion embodiment embodiment illustrated in fig. 1, " base in step 100Stand the multiple CSI-RS in CSI measuring set are divided into groups, obtain at least one grouping, specifically can wrapDraw together: be less than according to the received power difference that makes each CSI-RS in each grouping at least one groupingThe packet mode of predetermined threshold value, divides into groups to the multiple CSI-0RS in CSI measuring set;

Or can comprise: according to each CSI-RS in the each grouping making at least one groupingThe distance in the geographical position of corresponding antenna is less than the packet mode of predeterminable range threshold value, to CSI measuring setIn multiple CSI-RS divide into groups.

It should be noted that, in this expansion embodiment, the indication information of the grouping information of the first grouping comprisesGroup character and/or first CSI-RS comprising that divides into groups of the first grouping. Preferably, this first groupingThe indication information of grouping information is the group character of the first grouping.

Now for above-mentioned step 102 in embodiment illustrated in fig. 1, " base station receives first of UE feedbackThe indication information of the grouping information of the first grouping of CSI and correspondence ", can comprise particularly following severalSituation:

The first situation is that base station receives a CSI of UE feedback and the first corresponding grouping letter dividing into groupsBreath, base station just can get grouping information and a CSI of this first grouping like this, also determines simultaneouslyThe one CSI is that the grouping information of UE based on this first grouping measures; But this scheme due toFeed back in a CSI and the grouping information of the first corresponding grouping, cause signaling consumption larger.

The second situation is that base station receives a CSI of UE feedback and the first corresponding grouping comprisesCSI-RS, base station just can get this first divide into groups CSI-RS and CSI of comprising like this, alsoDetermine that a CSI is that UE measures based on this first CSI-RS that divides into groups to comprise simultaneously; ButThis scheme owing to will feeding back a CSI and corresponding first CSI-RS comprising that divides into groups, with respect to upperState the first situation, feedback content is less, can relax signaling consumption.

The third situation is preferred version, and in the third situation, base station receives a CSI of UE feedbackWith the first group character of dividing into groups of correspondence, base station just can get the group markups of this first grouping like thisKnow and a CSI, also determine that a CSI is that UE obtains based on this first grouping mea-sure simultaneously; ButThe group character that this scheme only needs to feed back a CSI and corresponding the first grouping, with respect to above-mentioned theA kind of situation and the second situation, feedback content is less, can effectively reduce signaling consumption, improves and passesDefeated efficiency.

Further alternatively, in this expansion embodiment, when the grouping information of at least one grouping comprisesThe grouping information of multiple groupings; When UE selects at least two first point from the grouping information of multiple groupingsThe grouping information of group is carried out respectively CSI measurement, while obtaining at least two CSI; Now corresponding stepRapid 102 " the indication letters of the grouping information of a CSI of base station reception UE feedback and the first corresponding groupingBreath ", be specifically as follows: base station receives at least two first that UE feeds back by PUSCH aperiodicityThe indication information of the grouping informations of at least two first groupings of CSI and correspondence; Or base station receives UEAt least two CSI by PUCCH periodic feedback and at least two first corresponding groupingsThe indication information of grouping information. The indication information of grouping information of in like manner the first grouping wherein can be theGroup character and/or first CSI-RS comprising that divides into groups of one grouping. Preferably, dividing of this first groupingThe indication information of group information is the group character of the first grouping.

Further alternatively, when at least two CSI are that UE adopts relevant associating send mode to sendOr adopt incoherent associating send mode to send; And at least two CSI are that UE adopts phaseDry associating send mode sends, in this expansion embodiment, at " the base station reception UE of above-described embodimentAt least two CSI and at least two the first corresponding groupings of feeding back by PUSCH aperiodicityThe indication information of grouping information; Or base station receives UE by least two of PUCCH periodic feedbackThe indication information of the grouping informations of at least two first groupings of an individual CSI and correspondence " afterwards, also canTo comprise: base station receive at least two CSI that UE sends arbitrarily between the two between phase place letterBreath and/or amplitude information, so that in the time receiving at least two CSI, base station can accurately receive oftenIndividual CSI. Example is in embodiment as shown in Figure 2, if UE report CSI to concentrate to have comprised grouping simultaneously0 and grouping 1 CSI, and need relevant associating transmission, need the CSI and grouping 1 of additional feedback grouping 0CSI between phase place and/or amplitude information, the relation between two groupings is described, so that UE Obtaining AccurateThe CSI of each grouping.

The CSI measuring method of above-described embodiment, by adopting technique scheme, can measure CSIThe multiple CSI-RS that concentrate divide into groups, and obtain at least one grouping, and are selected the grouping of grouping by UEInformation is carried out CSI measurement, obtains the CSI of this grouping and feeds back to base station. On the embodiment of the present invention adoptsState technical scheme, the CSI-RS of needs can be divided in a grouping, and measure this grouping by UE,Can only measure CSI taking whole TP as object and overcome in prior art. The employing embodiment of the present inventionTechnical scheme, can arrive the CSI needing by Obtaining Accurate, uses very flexible.

The flow chart of the CSI measuring method that Fig. 3 provides for another embodiment of the present invention. As shown in Figure 3,The executive agent of the CSI measuring method of the present embodiment is UE. The CSI measuring method of the present embodiment is concreteCan comprise the steps:

200, UE receives the grouping information of at least one grouping of base station transmission;

At least one of the present embodiment is grouped into base station the multiple CSI-RS in CSI measuring set divided into groupsObtain.

201, UE selects the grouping information of the first grouping to carry out CSI from the grouping information of at least one groupingMeasure, obtain a CSI;

202, UE is to the indication information of the grouping information of the first grouping of base station feedback the one CSI and correspondence.

The CSI measuring method of the present embodiment and above-mentioned difference embodiment illustrated in fig. 1 are only: above-mentioned figure1 illustrated embodiment is described technical scheme of the present invention in base station side; And the present embodiment is described this in UE sideBright technical scheme. Can, with reference to above-mentioned record embodiment illustrated in fig. 1, not repeat them here in detail.

Alternatively, on the basis of above-mentioned technical scheme embodiment illustrated in fig. 3, specifically can also compriseFollowing enlargement technology, forms expansion embodiment embodiment illustrated in fig. 3. Embodiment illustrated in fig. 2Expansion embodiment in, the CSI-RS in the present embodiment is by under the configuration identifier of CSI and configuration identifierPort-mark identifies jointly.

Alternatively, in expansion embodiment embodiment illustrated in fig. 3, in step 200, " UE receives base stationThe grouping information of at least one grouping sending ", comprising: UE reception base station sends by high-level signalingThe grouping information of at least one grouping.

Alternatively, in expansion embodiment embodiment illustrated in fig. 3, in step 200, UE receives base stationAt least one is grouped into the grouping information of at least one grouping sending: base station is in CSI-RS measuring setMultiple CSI-RS are according to the received power that makes each CSI-RS in each grouping at least one groupingDifference is less than the packet mode of predetermined threshold value, and the multiple CSI-RS in CSI measuring set are divided into groups to obtain;

Or in step 200 UE receive base station send at least one grouping grouping information at least oneBe grouped into: base station to the multiple CSI-RS in CSI measuring set according to make at least one grouping in eachThe distance in the geographical position of the antenna that each CSI-RS in grouping is corresponding be less than predeterminable range threshold value pointPrescription formula, divides into groups to obtain to the multiple CSI-RS in CSI measuring set.

Alternatively, the finger of the grouping information of the first grouping in expansion embodiment embodiment illustrated in fig. 3Show that information comprises the group character and/or first of the first grouping CSI-RS comprising that divides into groups. Preferably, shouldThe indication information of the grouping information of the first grouping is the group character of the first grouping.

Alternatively, at expansion embodiment embodiment illustrated in fig. 3, in step 201 " from least one pointIn the grouping information of group, select the grouping information of the first grouping to carry out CSI measurement, obtain a CSI ",Comprise: in the time that the grouping information of at least one grouping comprises the grouping information of multiple groupings, from multiple pointsIn the grouping information of group, select the grouping information of at least two first groupings to carry out respectively CSI measurement, obtainAt least two corresponding CSI.

Accordingly now, " UE is to base station feedback the one CSI for above-mentioned step 202 embodiment illustrated in fig. 3The indication information of grouping information with the first grouping of correspondence ", specifically can comprise: UE is to base station feedbackThe indication information of the grouping informations of at least two CSI and corresponding at least two first groupings.

Further alternatively, wherein " UE is at least two of at least two CSI of base station feedback and correspondenceThe indication information of the grouping information of individual the first grouping ", specifically can comprise: UE is by non-week of PUSCHPhase property is to the grouping informations of at least two CSI of base station feedback and corresponding at least two first groupingsIndication information; Or UE passes through PUCCH periodically at least two CSI and right of base station feedbackThe indication information of the grouping information of at least two first groupings of answering.

Further alternatively, in expansion embodiment embodiment illustrated in fig. 3, as at least two CSIFor adopting that relevant associating send mode sends or adopting incoherent associating send mode transmission, when extremelyFew two CSI adopt relevant associating send modes to send, " UE passes through PUSCH aperiodicProperty to the finger of the grouping informations of at least two CSI of base station feedback and corresponding at least two first groupingsShow information; Or UE passes through PUCCH periodically to base station feedback at least two the one CSI and correspondencesThe indication information of grouping informations of at least two first groupings " afterwards, UE can also be sent to base stationIn few two CSI arbitrarily between the two between phase information and/or amplitude information.

The district of expansion embodiment embodiment illustrated in fig. 3 and above-mentioned expansion embodiment embodiment illustrated in fig. 1Only be not: above-mentioned expansion embodiment embodiment illustrated in fig. 1 describes technical side of the present invention in base station sideCase; And expansion embodiment embodiment illustrated in fig. 3 describes technical scheme of the present invention in UE side. In detailCan, with reference to above-mentioned record embodiment illustrated in fig. 1, not repeat them here.

Alternatively, in above-mentioned expansion embodiment embodiment illustrated in fig. 3, UE is to base station feedback CSITime carry the grouping information of the first corresponding grouping indication information be preferably the group markups of this first groupingKnow, this group character also can become packet index. Now corresponding feedback can become implicit feedback.

Based on above-mentioned packet-based CSI feedback scheme, introduce another two of the above-mentioned CSI feedback of planting belowPlant scene.

In the first scene, in the time that CSI is specially RI, UE is periodically anti-to base station by PUCCHFeedback RI,

UE is by PUCCH during periodically to base station feedback RI, in the present embodiment, and will be based onThe CSI feedback scheme of grouping is for periodic feedback RI, and packet index is not the feelings by implicit feedbackCondition, i.e. the extra amount of the another feedback of UE, to support packet-based CSI to measure and feedback.

Because RI is broadband, the value of a RI can characterize the whole subbands on frequency band. Due to LTEIf in use SU-MIMO pattern to send data to UE, corresponding RI value is probably greater than 2.If but send while using the CoMP such as DPS, JT transmission plan when data to UE, can limit RIValue is 1 or 2. Because eNodeB is in the time dispatching, not every UE uses CoMP transmission sideCase, so always need UE feedback RI.

Introducing after grouping, on existing PUCCH form basis, need extra several PUCCH of increasingForm: 1) independent packet index feedback, increase PUCCHFormat7, packet index can be setFeedback cycle identical with RI, feedback time biasing is set to the feedback time of RI in advance and setovers severalTTI. 2) packet index feeds back together with existing RI, firstPMI, PTI, increases respectively PUCCHFormat3a/5a/6a, the biasing of feedback cycle and feedback time respectively with original PUCCHFormat3/5/6Identical. Newly-increased PUCCH form and original PUCCH form, as shown in table 1 below.

Table 1

PUCCH form	The content of feedback
		3	RI
3a	RI/ packet index
		5	RI/first PMI
5a	RI/first PMI/ packet index
		6	RI/PTI
6a	RI/PTI/ packet index
		7	Packet index

In the second scene, in the time that CSI is specially PMI and CQI, by packet-based CSI feedback schemeWhile being used for periodic feedback PMI with CQI, identify its corresponding CSI-RS configuration/port, and packet indexBe not the situation by implicit feedback, i.e. the extra amount of the another feedback of UE, to support packet-based CSIMeasure and feedback.

Introduce after grouping, on existing PUCCH form basis, need extra several PUCCH lattice that increaseFormula: 1) independent packet index feedback, increases the identical PUCCH with above-mentioned the first scene descriptionFormat7, the feedback cycle that packet index can be set is identical with RI, and feedback time biasing is set to carryThe feedback time of front RI several TTI that setover. 2) packet index is together with existing broadband P MI/CQIFeedback, increases PUCCHFormat2d/2e/2f/2g/4a, feedback cycle and feedback time setover respectively withOriginally corresponding form is identical. Newly-increased PUCCH form and original PUCCH form, as following tableShown in 2. It should be noted that, in order to reduce the sum of PUCCH form, also can only newly-increased PUCCHA part in Format2d/2e/2f/2g/4a.

Table 1

PUCCH form	The content of feedback
		2	Broadband CQI/PMI
2a	Broadband first PMI
		2b	Broadband CQI/second PMI
2c	Broadband CQI/first PMI/second PMI
		2d	Broadband CQI/PMI/ packet index
2e	Broadband first PMI/ packet index
		2f	Broadband CQI/second PMI/ packet index
2g	Broadband CQI/first PMI/second PMI/ packet index
		4	Broadband CQI
4a	Broadband CQI/ packet index
		7	Packet index

The flow graph of the CSI measuring method that Fig. 4 provides for yet another embodiment of the invention. As shown in Figure 4, this enforcementThe executive agent of the CSI measuring method of example is UE. The CSI measuring method of the present embodiment, specifically can compriseFollowing steps:

300, UE receives the CSI measuring set that base station sends;

The CSI measuring set of the present embodiment comprises multiple CSI-RS.

301, UE divides into groups to the multiple CSI-RS in CSI measuring set, obtains at least one grouping;

302, UE selects the grouping information of the first grouping to carry out CSI from the grouping information of at least one groupingMeasure, obtain a CSI;

303, UE sends a CSI and the first corresponding grouping information of dividing into groups to base station.

The present embodiment and above-mentioned 2 and the difference of technical scheme embodiment illustrated in fig. 3 be, the present embodimentBy UE, the multiple CSI-RS in CSI measuring set are divided into groups, obtain at least one grouping.

Alternatively, on the basis of above-mentioned technical scheme embodiment illustrated in fig. 4, can also comprise as followsEnlargement technology, forms expansion embodiment embodiment illustrated in fig. 4.

In this expansion embodiment, step 300 is specifically as follows UE reception base station and sends out by high-level signalingThe CSI measuring set of sending.

Alternatively, in this expansion embodiment, after step 301, before 302, can also comprise:UE sends the grouping information of at least one grouping to base station. Base station just can obtain UE CSI is surveyed like thisThe grouping information of at least one grouping of arriving that the multiple CSI-RS in quantity set divide into groups. Now correspondingStep 302 " UE sends a CSI and the first corresponding grouping information of dividing into groups to base station ", now toolBody can be: UE sends the indication letter of the grouping information of the first grouping of a CSI and correspondence to base stationBreath; Now the indication information of the grouping information of the first grouping comprises the group character or first of the first groupingThe CSI-RS that grouping comprises. Preferably, the indication information of the grouping information of this first grouping is first pointThe group character of group, wherein group character can become packet index. UE is to base station feedback like thisWhen one CSI, can only feed back the group character of the first corresponding grouping, with respect in the time feeding back a CSIFirst CSI-RS comprising that divides into groups that the blocking message of the first grouping corresponding to feedback or feedback are corresponding,Can effectively save signaling consumption.

It should be noted that, the CSI-RS in above-described embodiment is by configuration identifier and the configuration identifier of CSIUnder port-mark jointly identify. Corresponding one an of port under a CSI configuration and this CSI configurationCSI-RS。

Alternatively, in this expansion embodiment, " UE is to the multiple CSI-RS in CSI measuring set for step 301Divide into groups, obtain at least one grouping " specifically can comprise following two kinds of modes:

(1) UE is according to the received power that makes each CSI-RS in each grouping at least one groupingDifference is less than the packet mode of predetermined threshold value, the multiple CSI-RS in CSI measuring set divided into groups,To at least one grouping;

(2) UE is according to sky corresponding to each CSI-RS in the each grouping making at least one groupingThe distance in the geographical position of line is less than the packet mode of predeterminable range threshold value, in CSI measuring setCSI-RS divides into groups, and obtains at least one grouping.

Alternatively, in this expansion embodiment, when the grouping information of at least one grouping comprises multiple pointsWhen the grouping information of group, " UE selects the first grouping from the grouping information of at least one grouping in 301Grouping information is carried out CSI measurement, obtains a CSI " be specifically as follows: UE is from the grouping of multiple groupingsIn information, select the grouping information of at least two first groupings to carry out respectively CSI measurement, obtain correspondence extremelyFew two CSI. Now " UE sends a CSI and corresponding the to corresponding step 302 to base stationThe grouping information of one grouping ", specifically can comprise: UE sends to base station by PUSCH aperiodicityThe indication information of the grouping informations of at least two CSI and corresponding at least two first groupings; OrUE periodically sends at least two CSI and correspondence at least two first to base station by PUCCHThe indication information of the grouping information of grouping.

Further alternatively, at least two CSI be adopt relevant associating send mode transmission orAdopt incoherent associating send mode to send; When at least two CSI adopt relevant associating transmit legFormula sends, and in step, " UE sends at least two CSI to base station by PUSCH aperiodicityIndication information with the grouping informations of at least two first of correspondence groupings; Or UE is by PUCCH weekPhase property sends the grouping informations of at least two CSI and corresponding at least two first groupings to base stationIndication information " afterwards, can also comprise: UE sends at least two CSI arbitrarily both to base stationBetween phase information and/or amplitude information so that base station is in the time receiving at least two CSI, canAccording to the phase information between at least two CSI, accurately determine each CSI.

The flow chart of the CSI measuring method that Fig. 5 provides for further embodiment of this invention. As shown in Figure 5, this realityThe executive agent of executing routine CSI measuring method is base station. The CSI measuring method of the present embodiment, specifically canComprise the steps:

400, base station sends CSI measuring set to UE;

In the present embodiment, this CSI measuring set comprises multiple CSI-RS. Each grouping information in the present embodimentComprise the group character of grouping and the CSI-RS that grouping comprises. Alternatively, in the present embodiment, base station canSend CSI measuring set by high-level signaling to UE.

401, base station receives a CSI of UE transmission and the first corresponding grouping information of dividing into groups;

The present embodiment and above-mentioned difference embodiment illustrated in fig. 4 are only: above-mentioned embodiment illustrated in fig. 4Technical scheme is described technical scheme of the present invention in UE side, and the present embodiment is described the present invention in base station sideTechnical scheme, the detailed implementation procedure of the present embodiment can also be with reference to above-mentioned note embodiment illustrated in fig. 4Carry, do not repeat them here.

Alternatively, on the basis of above-mentioned technical scheme embodiment illustrated in fig. 5, can also comprise as followsEnlargement technology, forms expansion embodiment embodiment illustrated in fig. 5.

In this expansion embodiment embodiment illustrated in fig. 5, UE is to the multiple CSI-RS in CSI measuring setDivide into groups, be specifically as follows according to making each CSI-RS in each grouping at least one groupingReceived power difference be less than the packet mode of predetermined threshold value, to the multiple CSI-RS in CSI measuring setDivide into groups;

Or according to antenna corresponding to each CSI-RS in the each grouping making at least one groupingThe distance in geographical position be less than the packet mode of predeterminable range threshold value, multiple in CSI measuring setCSI-RS divides into groups.

In this expansion embodiment embodiment illustrated in fig. 5, step 401 base station receive that UE sends theBefore the grouping information of the first grouping of one CSI and correspondence, can also comprise: base station receives UE and sendsThe grouping information of at least one grouping.

Now " base station receives a CSI of UE transmission and the first grouping of correspondence to corresponding step 401Grouping information ", specifically can comprise: base station receives a CSI of UE transmission and corresponding first pointThe indication information of the grouping information of group; The indication information of the grouping information of this first grouping comprises the first groupingGroup character or first CSI-RS comprising that divides into groups, preferably, grouping information of this first groupingIndication information be the group character of the first grouping, wherein group character can become packet index. Like thisUE can only feed back the group character of the first corresponding grouping when to base station feedback the one CSI, with respect toCorresponding the first blocking message dividing into groups or the first grouping corresponding to feedback of feedback in the time of feedback the one CSIThe CSI-RS comprising, can save signaling consumption effectively.

Alternatively, in this expansion embodiment, when the grouping information of at least one grouping comprises multiple pointsThe grouping information of group; When UE selects dividing of at least two first groupings from the grouping information of multiple groupingsGroup information is carried out respectively CSI measurement, and while obtaining at least two corresponding CSI, step connects in 401" base station receives the CSI and the first corresponding grouping information of dividing into groups that UE sends ", specifically canComprise: base station receives at least two CSI that UE sends by PUSCH aperiodicity and correspondingThe indication information of the grouping information of at least two first groupings; Or base station receives UE by PUCCH weekThe instruction of the grouping informations of at least two CSI that phase property sends and corresponding at least two first groupingsInformation.

Further alternatively, at least two CSI are that UE adopts relevant associating send mode to sendOr for adopting incoherent associating send mode, UE sends; When at least two CSI are that UE adoptsSend with relevant associating send mode, in step, " base station receives UE and sends out by PUSCH aperiodicityThe indication information of the grouping informations of at least two CSI that send and corresponding at least two first groupings;Or at least two CSI that base station receives that UE periodically sends by PUCCH and corresponding extremelyThe indication information of the grouping information of few two first groupings " afterwards, can also comprise: base station receives UEAny phase information and/or amplitude information between the two at least two CSI that send.

It should be noted that, wherein CSI-RS is by the port mark under configuration identifier and the configuration identifier of CSIKnow common mark.

The district of expansion embodiment embodiment illustrated in fig. 5 and above-mentioned expansion embodiment embodiment illustrated in fig. 4Only be not: above-mentioned expansion embodiment embodiment illustrated in fig. 4 describes technical side of the present invention in base station sideCase; And expansion embodiment embodiment illustrated in fig. 5 describes technical scheme of the present invention in UE side. In detailCan, with reference to above-mentioned record embodiment illustrated in fig. 4, not repeat them here.

One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodimentCan complete by the relevant hardware of programmed instruction, aforesaid program can be stored in a computer-readableGet in storage medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And it is aforementionedStorage medium comprise: various Jie that can be program code stored such as ROM, RAM, magnetic disc or CDMatter.

The structural representation of the base station that Fig. 6 provides for one embodiment of the invention. As shown in Figure 6, this enforcementThe base station of example, specifically can comprise grouping module 10, sending module 11 and receiver module 12.

Wherein grouping module 10 is divided into groups for the multiple CSI-RS to CSI measuring set, obtain toA few grouping. Sending module 11 is connected with grouping module 10, and sending module 11 is for sending to UEThe divide into groups grouping information of at least one grouping obtaining of grouping module 10; Grouping information comprises the grouping of groupingThe CSI-RS that mark and grouping comprise. Receiver module 12 for receive UE feedback a CSI andThe indication information of the grouping information of the first grouping. Wherein a CSI is UE at least one point from receivingIn the grouping information of group, select the grouping information of the first grouping to carry out CSI measurement acquisition.

The base station of the present embodiment, by adopting above-mentioned module to realize the mechanism that CSI is measured to above-mentioned relevantThe realization mechanism of embodiment of the method is identical, in detail can be with reference to the record of said method embodiment, at this notRepeat again.

The base station of the present embodiment, by adopting the above-mentioned module can be to the multiple CSI-RS in CSI measuring setDivide into groups, obtain at least one grouping, and select the grouping information of grouping to carry out CSI measurement by UE,Obtain the CSI of this grouping and feed back to base station. The embodiment of the present invention adopts technique scheme, can be byThe CSI-RS needing divides in a grouping, and measures this grouping by UE, and has overcome prior artIn can only measure CSI taking whole TP as object. Adopt the technical scheme of the embodiment of the present invention, Neng GouzhunReally get the CSI needing, use very flexible.

Alternatively, on the basis of above-mentioned technical scheme embodiment illustrated in fig. 6, can also comprise as followsEnlargement technology, forms above-mentioned expansion embodiment embodiment illustrated in fig. 6.

In this expansion embodiment, CSI-RS is by the port mark under configuration identifier and the configuration identifier of CSIKnow common mark.

Alternatively, in this expansion embodiment, sending module 11 specifically for by high-level signaling to UESend the grouping information of at least one grouping.

Further alternatively, wherein the indication information of the grouping information of the first grouping comprises dividing of the first groupingGroup mark and/or first CSI-RS comprising that divides into groups.

Alternatively, in this expansion embodiment, grouping module 10 is specifically for according to making at least one pointThe received power difference of each CSI-RS in group in each grouping is less than the packet mode of predetermined threshold value,Multiple CSI-RS in CSI measuring set are divided into groups, obtain at least one grouping. Or grouping module10 specifically for sky corresponding to each CSI-RS in the each grouping according to making at least one groupingThe distance in the geographical position of line is less than the packet mode of predeterminable range threshold value, described in CSI measuring setMultiple CSI-RS divide into groups.

Alternatively, in this expansion embodiment, receiver module 12 is for the grouping letter when at least one groupingBreath comprises the grouping information of multiple groupings, and UE selects at least two from the grouping information of multiple groupingsThe grouping information of one grouping is carried out respectively CSI measurement, while obtaining at least two CSI, receives UEAt least two CSI and at least two the first corresponding groupings of feeding back by PUSCH aperiodicityThe indication information of grouping information; Or receive UE by PUCCH periodic feedback at least two theThe indication information of the grouping informations of at least two first groupings of one CSI and correspondence.

Further alternatively, at least two CSI are that UE adopts relevant associating send mode to sendOr adopt incoherent associating send mode to send; Receiver module 12 is also for ought at least two firstCSI is that UE adopts relevant associating send mode to send, and receives at least two CSI that UE sendsIn arbitrarily between the two between phase information and/or amplitude information.

Above-mentioned each optional technical scheme in this expansion embodiment can adopt any group of combinable modeClose formation optional embodiment of the present invention, do not repeat them here.

The base station of above-described embodiment, by adopting above-mentioned module to realize mechanism and above-mentioned phase that CSI is measuredThe realization mechanism that closes embodiment of the method is identical, in detail can be with reference to the record of said method embodiment, at thisRepeat no more.

The base station of above-described embodiment, by adopting multiple that above-mentioned module can be in CSI measuring setCSI-RS divides into groups, and obtains at least one grouping, and selects the grouping information of grouping to carry out CSI by UEMeasure, obtain the CSI of this grouping and feed back to base station. The embodiment of the present invention adopts technique scheme,The CSI-RS of needs can be divided in a grouping, and measure this grouping by UE, and overcome existingHave in technology and can only measure CSI taking whole TP as object. Adopt the technical scheme of the embodiment of the present invention,Can arrive the CSI needing by Obtaining Accurate, use very flexible.

The structural representation of the UE that Fig. 7 provides for one embodiment of the invention. As shown in Figure 7, this enforcementThe UE of example specifically can comprise: receiver module 20, processing module 21 and sending module 22.

The grouping information of at least one grouping that wherein receiver module 20 sends for receiving base station, this at leastOne is grouped into that base station divides into groups to obtain to the multiple CSI-RS in CSI measuring set, at least one pointThe grouping information of each grouping in the grouping information of group comprises what the group character of grouping and grouping comprisedCSI-RS. Processing module 21 is connected with receiver module 20, and processing module 21 is for from receiver module 20In the grouping information of at least one grouping receiving, select the grouping information of the first grouping to carry out CSI measurement,Obtain a CSI; Sending module 22 is connected with processing module 21, and sending module 22 is for anti-to base stationFeedback processing module 21 is processed the indication letter of the CSI that obtains and corresponding the first grouping information of dividing into groupsBreath.

The UE of the present embodiment, by adopting above-mentioned module to realize mechanism and above-mentioned related side that CSI is measuredThe realization mechanism of method embodiment is identical, in detail can be with reference to the record of said method embodiment, at this no longerRepeat.

The UE of the present embodiment, by adopting the above-mentioned module can be to the multiple CSI-RS in CSI measuring setDivide into groups, obtain at least one grouping, and select the grouping information of grouping to carry out CSI measurement by UE,Obtain the CSI of this grouping and feed back to base station. The embodiment of the present invention adopts technique scheme, can be byThe CSI-RS needing divides in a grouping, and measures this grouping by UE, and has overcome prior artIn can only measure CSI taking whole TP as object. Adopt the technical scheme of the embodiment of the present invention, Neng GouzhunReally get the CSI needing, use very flexible.

Alternatively, on the basis of above-mentioned technical scheme embodiment illustrated in fig. 7, can also comprise as followsEnlargement technology, forms above-mentioned expansion embodiment embodiment illustrated in fig. 7.

Alternatively, in this expansion embodiment, wherein receiver module 20 is specifically for receiving base station by highThe grouping information of at least one grouping that layer signaling sends.

Alternatively, in this expansion embodiment, wherein receiver module 20 receives at least one that base station sendsThe grouping information of grouping, wherein at least one is grouped into base station to the multiple CSI-RS in CSI measuring setBe less than in advance according to the received power difference that makes each CSI-RS in each grouping at least one groupingIf the packet mode of threshold value, divides into groups to obtain to the multiple CSI-RS in CSI measuring set;

Or it is at least one according to making to the multiple CSI-RS in CSI measuring set that at least one is grouped into base stationThe distance in the geographical position of the antenna that each CSI-RS in the each grouping in individual grouping is corresponding is less than in advanceIf the packet mode of distance threshold, divides into groups to obtain to the multiple CSI-RS in CSI measuring set.

Alternatively, in this expansion embodiment, wherein the indication information of the grouping information of the first grouping comprisesGroup character and/or first CSI-RS comprising that divides into groups of the first grouping.

Alternatively, in this expansion embodiment, wherein processing module 21 is specifically for working as at least one groupingGrouping information while comprising the grouping information of multiple groupings, from the grouping information of multiple groupings, select extremelyThe grouping information of few two first groupings is carried out respectively CSI measurement, obtains at least two first of correspondenceCSI；

Now corresponding sending module 22 is specifically for obtaining at least two to base station feedback processing module 21The indication information of the grouping informations of at least two first groupings of the one CSI and correspondence.

Further alternatively, sending module 22 wherein specifically for by PUSCH aperiodicity to statingThe instruction of the grouping informations of at least two CSI of base station feedback and corresponding at least two first groupingsInformation; Or by PUCCH periodically at least two CSI of base station feedback and corresponding at leastThe indication information of the grouping information of two first groupings.

Alternatively, on the basis of above-described embodiment, at least two CSI are for adopting relevant associating to send outSend that mode sends or adopt incoherent associating send mode to send; Sending module 22 is also for ought be extremelyFew two CSI adopt relevant associating send mode to send, and send at least two CSI to base stationIn any phase information and/or amplitude information between the two.

The UE of above-described embodiment, by adopting above-mentioned module to realize the mechanism that CSI is measured to above-mentioned relevantThe realization mechanism of embodiment of the method is identical, in detail can be with reference to the record of said method embodiment, at this notRepeat again.

The UE of above-described embodiment, by adopting the above-mentioned module can be to the multiple CSI-RS in CSI measuring setDivide into groups, obtain at least one grouping, and select the grouping information of grouping to carry out CSI measurement by UE,Obtain the CSI of this grouping and feed back to base station. The embodiment of the present invention adopts technique scheme, can be byThe CSI-RS needing divides in a grouping, and measures this grouping by UE, and has overcome prior artIn can only measure CSI taking whole TP as object. Adopt the technical scheme of the embodiment of the present invention, Neng GouzhunReally get the CSI needing, use very flexible.

Fig. 8 is the structural representation of the UE of another embodiment of the present invention. As shown in Figure 8, the present embodimentUE, specifically can comprise: receiver module 30, grouping module 31, processing module 32 and sending module33。

The CSI measuring set that wherein receiver module 30 sends for receiving base station, this CSI measuring set comprisesMultiple CSI-RS. Grouping module 31 is connected with receiver module 30, grouping module 31 for to receive mouldMultiple CSI-RS in the CSI measuring set that piece 30 receives divide into groups, and obtain at least one grouping; .Processing module 32 is connected with grouping module 31, and processing module 32 is for dividing into groups from grouping module 31In the grouping information of at least one grouping obtaining, select the grouping information of the first grouping to carry out CSI measurement,Obtain a CSI; The grouping information of each grouping comprises that the group character of grouping and grouping compriseCSI-RS. Sending module 33 is connected with processing module 32, and sending module 33 is for to base station transmission processingThe CSI that module 31 obtains and the first corresponding grouping information of dividing into groups.

Alternatively, on the basis of above-mentioned technical scheme embodiment illustrated in fig. 8, can also comprise as followsEnlargement technology, forms above-mentioned expansion embodiment embodiment illustrated in fig. 8.

In this expansion embodiment, sending module 33 is also for sending a CSI and corresponding the to base stationBefore the grouping information of one grouping, send the grouping information of at least one grouping to base station. Accordingly nowSending module 33, for send a CSI and the first corresponding grouping information of dividing into groups to base station, specifically canThink that sending module 33 is specifically for sending a CSI and the first corresponding grouping information of dividing into groups to base stationIndication information; The indication information of grouping information of this first grouping comprise the first grouping group character orPerson first CSI-RS comprising that divides into groups.

Alternatively, in this expansion embodiment, wherein CSI-RS is by configuration identifier and the configuration mark of CSIPort-mark under knowing identifies jointly.

Alternatively, in this expansion embodiment, grouping module 31 is specifically for according to making at least one pointThe received power difference of each CSi-RS in group in each grouping is less than the packet mode of predetermined threshold value, rightMultiple CSI-RS in CSI measuring set divide into groups, and obtain at least one grouping; Or grouping module 31Specifically for antenna corresponding to each CSI-RS in the each grouping according to making at least one groupingThe distance in geographical position be less than the packet mode of predeterminable range threshold value, multiple in CSI measuring setCSI-RS divides into groups, and obtains at least one grouping.

Alternatively, in this expansion embodiment, wherein processing module 32 is specifically for working as at least one groupingGrouping information while comprising the grouping information of multiple groupings, from the grouping information of multiple groupings, select extremelyThe grouping information of few two first groupings is carried out respectively CSI measurement, obtains at least two first of correspondenceCSI. Sending module 33 is specifically for sending at least two first by PUSCH aperiodicity to base stationCSI and the corresponding just indication information of the grouping information of two first groupings; Or by PUCCH weekThe grouping informations of at least two first groupings of at least two to base station CSI of phase property transmission and correspondenceIndication information.

Further alternatively, at least two CSI be adopt relevant associating send mode transmission orAdopt incoherent associating send mode to send; And alternatively, sending module 33 is also for ought at least twoThe one CSI adopts relevant associating send mode to send, and sends at least two CSI and appoints to base stationMeaning phase information and/or amplitude information between the two.

Fig. 9 is the structural representation of the base station of another embodiment of the present invention. As shown in Figure 9, the present embodimentBase station, specifically can comprise: sending module 40 and receiver module 41.

Wherein sending module 40 sends CSI measuring set to UE, and this CEI measuring set comprises multipleCSI-RS, each grouping information comprises the group character of grouping and the CSI-RS that grouping comprises. Receive mouldPiece 41 is for the grouping information of the CSI that receives UE and send and corresponding the first grouping, and wherein firstThe grouping information of grouping is that UE divides into groups to the multiple CSI-RS in CSI measuring set, obtains at least oneIndividual grouping, and selection obtains from the grouping information of at least one grouping; The one CSI is UE basisThe grouping information of the first grouping of selecting carries out that CSI measures.

Alternatively, on the basis of above-mentioned technical scheme embodiment illustrated in fig. 9, can also comprise as followsEnlargement technology, forms above-mentioned expansion embodiment embodiment illustrated in fig. 9.

In this expansion embodiment, wherein receiver module 41 is also for the CSI receiving UE transmissionBefore the grouping information of the first grouping of correspondence, receive the grouping letter of at least one grouping that UE sendsBreath. A CSI and the first corresponding grouping of dividing into groups that now receiver module 41 sends for receiving UEInformation, is specifically as follows receiver module 41 and sends first of a CSI and correspondence specifically for receiving UEThe indication information of the grouping information of grouping; The indication information of the grouping information of this first grouping comprises first pointGroup character or first CSI-RS comprising that divides into groups of group.

Alternatively, in this expansion embodiment, wherein receiver module 41 is specifically for working as at least one groupingGrouping information comprise the grouping information of multiple groupings, when UE selects from the grouping information of multiple groupingsSelect the grouping informations of at least two first groupings and carry out respectively CSI measurement, obtain corresponding at least two theWhen one CSI, receive at least two CSI that UE sends by PUSCH aperiodicity and correspondingThe indication information of the grouping information of at least two first groupings; Or receive UE by PUCCH periodicallyThe indication letter of the grouping informations of at least two CSI that send and corresponding at least two first groupingsBreath.

Alternatively, in this expansion embodiment, wherein at least two CSI are that UE adopts relevant connectionClose that send mode sends or send for UE adopts incoherent associating send mode; Receiver module 41Also, for ought at least two CSI being that UE adopts relevant associating send mode to send, receive UEAny phase information and/or amplitude information between the two at least two CSI that send. Need explanation, the CSI-RS in above-described embodiment is by the port-mark under configuration identifier and the configuration identifier of CSICommon mark.

The structural representation of the CSI measuring system that Figure 10 provides for the embodiment of the present invention. As shown in figure 10,The CSI measuring system of the present embodiment, specifically can comprise base station 50 and UE60.

Wherein the base station 50 of the present embodiment can adopt above-mentioned embodiment illustrated in fig. 6 or its expansion embodiment instituteThe base station showing, now UE60 adopts the UE shown in embodiment illustrated in fig. 7 or its expansion embodiment accordingly,Now can adopt accordingly above-mentioned expansion embodiment embodiment illustrated in fig. 1 or embodiment illustrated in fig. 1Shown CSI measuring method realizes CSI and measures, in detail can be with reference to the record of above-mentioned related embodiment,Do not repeat them here.

Alternatively, the UE60 of the present embodiment adopts shown in embodiment illustrated in fig. 8 or its expansion embodimentUE base station 50, now can adopt accordingly above-mentioned embodiment illustrated in fig. 9 or its expansion embodiment shown inBase station, now can adopt accordingly above-mentioned embodiment illustrated in fig. 4 and expansion embodiment or Fig. 5The CSI measuring method that illustrated embodiment and expansion embodiment thereof record realizes CSI and measures, and in detail canWith reference to the record of above-mentioned related embodiment, do not repeat them here.

The CSI measuring system of the present embodiment, by adopting above-mentioned base station and UE, can be to CSI measuring setIn multiple CSI-RS divide into groups, obtain at least one grouping, and by UE select grouping grouping believeBreath carries out CSI measurement, obtains the CSI of this grouping and feeds back to base station. The embodiment of the present invention adopts above-mentionedTechnical scheme, can divide the CSI-RS of needs in a grouping, and measure this grouping by UE,Can only measure CSI taking whole TP as object and overcome in prior art. The employing embodiment of the present inventionTechnical scheme, can arrive the CSI needing by Obtaining Accurate, uses very flexible.

Device embodiment described above is only schematically, the list wherein illustrating as separating componentUnit can or can not be also physically to separate, and the parts that show as unit can be or alsoCan not physical location, can be positioned at a place, or also can be distributed at least two networksOn unit. Can select according to the actual needs some or all of module wherein to realize the present embodimentThe object of scheme. Those of ordinary skill in the art, in the situation that not paying performing creative labour, canUnderstand and implement.

Finally it should be noted that: above embodiment is only in order to technical scheme of the present invention to be described, but not to itRestriction; Although the present invention is had been described in detail with reference to previous embodiment, the ordinary skill of this areaPersonnel are to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, orPerson is equal to replacement to part technical characterictic wherein; And these amendments or replacement do not make corresponding skillThe essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.

Claims

1. a channel condition information measuring method, is characterized in that, comprising:

Reference signal to the multiple channel condition informations in channel condition information measuring set is divided into groups,To at least one grouping, wherein, the channel status letter that the each grouping in described at least one grouping comprisesThe reference signal of breath belongs to different transfer points;

Send the grouping information of described at least one grouping to subscriber equipment, described in described grouping information comprisesThe reference signal of the channel condition information that the group character of grouping and described grouping comprise;

2. method according to claim 1, is characterized in that, the reference of described channel condition informationSignal is identified jointly by the port-mark under configuration identifier and the described configuration identifier of channel condition information.

3. method according to claim 1, is characterized in that, in channel condition information measuring setThe reference signal of multiple channel condition informations divide into groups, comprising:

According to the reference letter that makes each channel condition information in each grouping in described at least one groupingNumber received power difference be less than the packet mode of predetermined threshold value, in described channel condition information measuring setThe reference signal of described multiple channel condition informations divide into groups;

Or according to each channel condition information in the each grouping making in described at least one groupingThe distance in the geographical position of antenna corresponding to reference signal is less than the packet mode of predeterminable range threshold value, to instituteStating the reference signal of the described multiple channel condition informations in channel condition information measuring set divides into groups.

4. method according to claim 1, is characterized in that, the grouping information of described the first groupingIndication information comprise group character and/or described first channel comprising that divides into groups of described the first groupingThe reference signal of status information.

5. according to the arbitrary described method of claim 1-4, it is characterized in that, when described at least one pointThe grouping information of group comprises the grouping information of multiple groupings; When described subscriber equipment is from described multiple groupingsGrouping information in select at least two first grouping grouping informations carry out respectively channel condition information surveyAmount, while obtaining at least two described the first channel condition informations;

Receive described first channel condition information of described subscriber equipment feedback and corresponding described the first groupingThe indication information of grouping information, comprising:

Receive at least two described the first channels that described subscriber equipment feeds back by PUSCH aperiodicityThe indication information of the grouping informations of at least two described the first groupings of status information and correspondence; Or

Receive described subscriber equipment by least two described the first channel shapes of PUCCH periodic feedbackThe indication information of the grouping informations of at least two described the first groupings of state information and correspondence.

6. method according to claim 5, is characterized in that, at least two described the first channel shapesState information is that described subscriber equipment adopts that relevant associating send mode sends or adopts incoherent associating to send outSend mode to send;

When at least two described the first channel condition informations are that described subscriber equipment adopts relevant associating transmit legFormula sends, and described method also comprises:

Receive at least two described the first channel condition informations that described subscriber equipment sends arbitrarily between the twoPhase information and/or amplitude information.

7. a channel condition information measuring method, is characterized in that, comprising:

Receive the grouping information of at least one grouping that base station sends, described at least one be grouped into described baseStand the reference signal of the multiple channel condition informations in channel condition information measuring set is divided into groups to obtain; Described grouping information comprises the group character of described grouping and the channel status letter that described grouping comprisesThe reference signal of breath, wherein, the channel condition information that the each grouping in described at least one grouping comprisesReference signal belong to different transfer points;

8. method according to claim 7, is characterized in that, the reference of described channel condition informationSignal is identified jointly by the port-mark under configuration identifier and the described configuration identifier of channel condition information.

9. method according to claim 7, is characterized in that, described described at least one is grouped intoBase station to the reference signal of the multiple channel condition informations in channel condition information measuring set according to described in makingThe received power difference of the reference signal of each channel condition information at least one grouping in each groupingBe less than the packet mode of predetermined threshold value, to the described multiple channel shapes in described channel condition information measuring setThe reference signal of state information divides into groups to obtain;

Or described at least one be grouped into described base station to the multiple channels in channel condition information measuring setThe reference signal of status information is according to each channel in the each grouping making in described at least one groupingThe distance in the geographical position of antenna corresponding to the reference signal of status information is less than the grouping of predeterminable range threshold valueMode, enters the reference signal of the described multiple channel condition informations in described channel condition information measuring setRow grouping obtains.

10. method according to claim 7, is characterized in that, the grouping letter of described the first groupingThe indication information of breath comprises group character and/or described first letter comprising that divides into groups of described the first groupingThe reference signal of channel state information.

11. according to the arbitrary described method of claim 7-10, it is characterized in that, from described at least oneIn the grouping information of grouping, select the grouping information of the first grouping to carry out channel condition information measurement, obtain theOne channel condition information, comprising:

In the time that the grouping information of described at least one grouping comprises the grouping information of multiple groupings, from describedIn the grouping information of multiple groupings, select the grouping information of at least two described the first groupings to carry out respectively channelStatus information is measured, and obtains at least two described the first channel condition informations;

To the first channel condition information described in described base station feedback and the described first corresponding grouping letter dividing into groupsThe indication information of breath, comprising:

To described at least two described the first channel condition informations of described base station feedback and corresponding at least twoThe indication information of the grouping information of the first grouping.

12. methods according to claim 11, is characterized in that, to described base station feedback at least twoThe instruction of the grouping informations of at least two described the first groupings of individual described the first channel condition information and correspondenceInformation, comprising:

By PUSCH aperiodicity at least two described the first channel condition informations of described base station feedbackIndication information with the grouping informations of described the first grouping of at least two of correspondence; Or

By PUCCH periodically at least two described the first channel condition informations of described base station feedback andThe indication information of the grouping information of at least two corresponding described the first groupings.

13. methods according to claim 12, is characterized in that, at least two described the first channelsStatus information is adopt that relevant associating send mode sends or adopt incoherent associating send mode to send;

When adopting relevant associating send mode, at least two described the first channel condition informations send, described inMethod also comprises:

Send any phase place letter between the two at least two described the first channel condition informations to described base stationBreath and/or amplitude information.

14. 1 kinds of channel condition information measuring methods, is characterized in that, comprising:

Reference signal to the described multiple channel condition informations in described channel condition information measuring set is carried outGrouping, obtains at least one grouping; From the grouping information of described at least one grouping, select the first groupingGrouping information carry out channel condition information measurement, obtain the first channel condition information; Described grouping informationComprise the group character of described grouping and the reference signal of the channel condition information that described grouping comprises, itsIn, the reference signal of the channel condition information that the each grouping in described at least one grouping comprises belongs to notSame transfer point;

15. according to the method described in right 14, it is characterized in that, sends described the first letter to described base stationBefore the grouping information of described first grouping of channel state information and correspondence, also comprise:

Send the grouping information of described at least one grouping to described base station;

Send described the first channel condition information and the described first corresponding grouping letter dividing into groups to described base stationBreath, comprising:

Send described the first channel condition information and the described first corresponding grouping letter dividing into groups to described base stationThe indication information of breath; The indication information of the grouping information of described the first grouping comprises the group markups of described groupingKnow or the described first reference signal of dividing into groups the channel condition information comprising.

16. methods according to claim 14, is characterized in that, the ginseng of described channel condition informationExamining signal is marked jointly by the port-mark under configuration identifier and the described configuration identifier of channel condition informationKnow.

17. methods according to claim 14, is characterized in that, described channel condition information is surveyedThe reference signal of the described multiple channel condition informations in quantity set is divided into groups, and comprising:

18. methods according to claim 15, is characterized in that, when the grouping information of described at least one groupingWhile comprising the grouping information of multiple groupings;

From the grouping information of described at least one grouping, select the grouping information of the first grouping to carry out channel shapeState information measurement, obtains the first channel condition information, comprising:

From the grouping information of described multiple groupings, select the grouping information of at least two described the first groupings to divideDo not carry out channel condition information measurement, obtain at least two corresponding described the first channel condition informations;

Send described the first channel condition information and the described first corresponding grouping letter dividing into groups to described base stationThe indication information of breath, comprising:

Send at least two described the first channel condition informations by PUSCH aperiodicity to described base stationIndication information with the grouping informations of described the first grouping of at least two of correspondence; Or

By PUCCH periodically send to described base station at least two described the first channel condition informations andThe indication information of the grouping information of at least two corresponding described the first groupings.

19. methods according to claim 18, is characterized in that, at least two described the first channelsStatus information is adopt that relevant associating send mode sends or adopt incoherent associating send mode to send;

20. 1 kinds of channel condition information measuring methods, is characterized in that, comprising:

To subscriber equipment transmitting channel status information measuring set, described channel condition information measuring set comprisesThe reference signal of multiple channel condition informations; Described grouping information comprises group character and the institute of described groupingState the reference signal of the channel condition information that grouping comprises;

Receive described the first channel condition information and corresponding described the first grouping that described subscriber equipment sendsGrouping information; The grouping information of described the first grouping is that described subscriber equipment is to described channel condition informationThe reference signal of the described multiple channel condition informations in measuring set is divided into groups, and obtains at least one grouping,And selection obtains from the grouping information of described at least one grouping; Described the first channel condition information isDescribed subscriber equipment carries out channel condition information according to the grouping information of described the first grouping of selecting and measuresArrive, wherein, the reference letter of the channel condition information that the each grouping in described at least one grouping comprisesNumber belong to different transfer points.

21. methods according to claim 20, is characterized in that, receive described subscriber equipment and sendDescribed the first channel condition information and the grouping information of corresponding described the first grouping before, also comprise:

Receive the grouping information of described at least one grouping of described subscriber equipment transmission;

Receive described the first channel condition information and corresponding described the first grouping that described subscriber equipment sendsGrouping information, comprising:

Receive described the first channel condition information and corresponding described the first grouping that described subscriber equipment sendsThe indication information of grouping information; The indication information of the grouping information of described the first grouping comprises described groupingGroup character or the reference signal of the channel condition information that comprises of described grouping.

22. methods according to claim 21, is characterized in that, when described at least one groupingGrouping information comprises the grouping information of multiple groupings; When described subscriber equipment from described multiple groupings pointIn group information, select the grouping information of at least two described the first groupings to carry out respectively channel condition information surveyAmount, while obtaining at least two corresponding described the first channel condition informations;

Receive described the first channel condition information and corresponding described the first grouping that described subscriber equipment sendsThe indication information of grouping information, comprising:

Receive at least two described the first channels that described subscriber equipment sends by PUSCH aperiodicityThe indication information of the grouping informations of at least two described the first groupings of status information and correspondence; Or

Receive at least two described the first channel shapes that described subscriber equipment periodically sends by PUCCHThe indication information of the grouping informations of at least two described the first groupings of state information and correspondence.

23. methods according to claim 22, is characterized in that, at least two described the first channelsStatus information is that the relevant associating send mode of described subscriber equipment employing sends or is described subscriber equipmentAdopt incoherent associating send mode to send;

24. according to the arbitrary described method of claim 20-23, it is characterized in that described channel statusThe reference signal of information is by the port-mark under configuration identifier and the described configuration identifier of channel condition informationCommon mark.

25. 1 kinds of base stations, is characterized in that, comprising:

Grouping module, for the reference letter of the multiple channel condition informations to channel condition information measuring setNumber divide into groups, obtain at least one grouping, wherein, the each grouping bag in described at least one groupingThe reference signal of the channel condition information of drawing together belongs to different transfer points; Sending module, for establishing to userPreparation is sent the grouping information of described at least one grouping, and described grouping information comprises the group markups of described groupingThe reference signal of the channel condition information that knowledge and described grouping comprise;

Receiver module, for receiving the first channel condition information and first grouping of described subscriber equipment feedbackThe indication information of grouping information, wherein said the first channel condition information is that described subscriber equipment is from receivingThe grouping information of described at least one grouping in select the grouping information of the first grouping to carry out channel status letterBreath is measured and is obtained.

26. base stations according to claim 25, is characterized in that, the ginseng of described channel condition informationExamining signal is marked jointly by the port-mark under configuration identifier and the described configuration identifier of channel condition informationKnow.

27. base stations according to claim 25, is characterized in that:

Described grouping module, specifically for according to making in described at least one grouping each in each groupingThe received power difference of the reference signal of individual channel condition information is less than the packet mode of predetermined threshold value, to instituteState the reference signal of the described multiple channel condition informations in channel condition information measuring set and divide into groups,To at least one grouping;

Or described grouping module, specifically for the each grouping according to making in described at least one groupingIn the distance in geographical position of antenna corresponding to the reference signal of each channel condition information be less than default distanceFrom the packet mode of threshold value, to the described multiple channel condition informations in described channel condition information measuring setReference signal divide into groups.

28. base stations according to claim 25, is characterized in that, the grouping letter of described the first groupingThe indication information of breath comprises group character and/or described first letter comprising that divides into groups of described the first groupingThe reference signal of channel state information.

29. according to the arbitrary described base station of claim 25-28, it is characterized in that, and described receiver module,For comprise the grouping information of multiple groupings when the grouping information of described at least one grouping; When described useFamily equipment is selected the grouping information difference of at least two first groupings from the grouping information of described multiple groupingsCarry out channel condition information measurement, while obtaining at least two described the first channel condition informations, described in receptionAt least two described the first channel condition informations and right that subscriber equipment feeds back by PUSCH aperiodicityThe indication information of the grouping information of at least two described first groupings of answering; Or receive described subscriber equipmentAt least two described the first channel condition informations by PUCCH periodic feedback and corresponding at least twoThe indication information of the grouping information of individual described the first grouping.

30. base stations according to claim 29, is characterized in that, at least two described the first channelsStatus information is that the relevant associating send mode of described subscriber equipment employing sends or adopts incoherent associatingSend mode sends;

Described receiver module, also for ought at least two described the first channel condition informations be that described user establishesStandby adopt relevant associating send mode to send, receive at least two of described subscriber equipment transmission described theIn one channel condition information arbitrarily between the two between phase information and/or amplitude information.

31. 1 kinds of subscriber equipmenies, is characterized in that, comprising:

Receiver module, the grouping information of at least one grouping sending for receiving base station, described at least oneThe individual reference signal of described base station to the multiple channel condition informations in channel condition information measuring set that be grouped intoThe described grouping information of dividing into groups to obtain comprises what the group character of described grouping and described grouping comprisedThe reference signal of channel condition information, wherein, the letter that the each grouping in described at least one grouping comprisesThe reference signal of channel state information belongs to different transfer points;

32. subscriber equipmenies according to claim 31, is characterized in that, described channel condition informationReference signal common by the port-mark under configuration identifier and the described configuration identifier of channel condition informationMark.

33. subscriber equipmenies according to claim 30, is characterized in that, described first grouping pointThe indication information of group information comprises that the group character of described the first grouping and/or described the first grouping compriseThe reference signal of channel condition information.

34. according to the arbitrary described subscriber equipment of claim 31-33, it is characterized in that:

Described processing module, comprises multiple points specifically for the grouping information when described at least one groupingGroup grouping information time, from the grouping information of described multiple groupings select at least two described first groupingGrouping information carry out respectively channel condition information measurement, obtain at least two described the first channel status lettersBreath;

Described sending module, specifically for believing at least two described the first channel status of described base station feedbackThe indication information of the grouping informations of at least two described the first groupings of breath and correspondence.

35. subscriber equipmenies according to claim 34, is characterized in that, described sending module, toolBody is for believing at least two described the first channel status of described base station feedback by PUSCH aperiodicityThe indication information of the grouping informations of at least two described the first groupings of breath and correspondence; Or pass through PUCCHPeriodically at least two described the first channel condition informations of described base station feedback and at least two corresponding institutesState the indication information of the grouping information of the first grouping.

36. subscriber equipmenies according to claim 35, is characterized in that, at least two described firstChannel condition information is that the relevant associating send mode of employing sends or adopts incoherent associating send modeSend; Described sending module, also for adopting relevant by least two described the first channel condition informationsAssociating send mode sends, and sends at least two described the first channel condition informations and appoints to described base stationMeaning phase information and/or amplitude information between the two.

37. 1 kinds of subscriber equipmenies, is characterized in that, comprising:

Grouping module, for the described multiple channel condition informations to described channel condition information measuring setReference signal divide into groups, obtain at least one grouping, wherein, every in described at least one groupingThe reference signal of the channel condition information that individual grouping comprises belongs to different transfer points;

Processing module, for selecting the grouping of the first grouping from the grouping information of described at least one groupingInformation is carried out channel condition information measurement, obtains the first channel condition information; Described grouping information comprises instituteState the group character of grouping and the reference signal of the channel condition information that described grouping comprises;

38. according to the subscriber equipment described in claim 37, it is characterized in that:

Described sending module, also for sending described the first channel condition information and corresponding to described base stationBefore the grouping information of described the first grouping, send the grouping letter of described at least one grouping to described base stationBreath;

Described sending module, specifically for sending described the first channel condition information and correspondence to described base stationThe indication information of grouping information of described the first grouping; The indication letter of the grouping information of described the first groupingThe divide into groups reference of the channel condition information comprising of the group character or described first that breath comprises described groupingSignal.

39. according to the subscriber equipment described in claim 38, it is characterized in that described channel condition informationReference signal common by the port-mark under configuration identifier and the described configuration identifier of channel condition informationMark.

40. according to the subscriber equipment described in claim 38, it is characterized in that described grouping module, toolBody is for the reference according to making each channel condition information in the each grouping of described at least one groupingThe received power difference of signal is less than the packet mode of predetermined threshold value, to described channel condition information measuring setIn the reference signal of described multiple channel condition informations divide into groups, obtain described at least one grouping;

Or described grouping module, specifically for the each grouping according to making in described at least one groupingIn the distance in geographical position of antenna corresponding to the reference signal of each channel condition information be less than default distanceFrom the packet mode of threshold value, to the described multiple channel condition informations in described channel condition information measuring setReference signal divide into groups, obtain described at least one grouping.

41. according to the subscriber equipment described in claim 38 or 39, it is characterized in that:

Described processing module, comprises multiple points specifically for the grouping information when described at least one groupingGroup grouping information time, from the grouping information of described multiple groupings select at least two described first groupingGrouping information carry out respectively channel condition information measurement, obtain at least two corresponding described the first channelsStatus information;

Described sending module, specifically for sending at least two by PUSCH aperiodicity to described base stationThe instruction of the grouping informations of at least two described the first groupings of individual described the first channel condition information and correspondenceInformation; Or periodically send at least two described the first channel status to described base station by PUCCHThe indication information of the grouping informations of at least two described the first groupings of information and correspondence.

42. according to the subscriber equipment described in claim 40, it is characterized in that at least two described firstChannel condition information is that the relevant associating send mode of employing sends or adopts incoherent associating send modeSend; Described sending module, also for adopting relevant by least two described the first channel condition informationsAssociating send mode sends, and sends at least two described the first channel condition informations and appoints to described base stationMeaning phase information and/or amplitude information between the two.

43. 1 kinds of base stations, is characterized in that, comprising:

Sending module, for to subscriber equipment transmitting channel status information measuring set, described channel status letterBreath measuring set comprises the reference signal of multiple channel condition informations; Described grouping information comprises described groupingGroup character and the reference signal of the channel condition information that comprises of described grouping;

Receiver module, described the first channel condition information and the correspondence that send for receiving described subscriber equipmentDescribed first grouping grouping information, described first grouping grouping information for described subscriber equipment is to instituteState the reference signal of the described multiple channel condition informations in channel condition information measuring set and divide into groups,To at least one grouping, and selection obtains from the grouping information of described at least one grouping; DescribedOne channel condition information is that described subscriber equipment carries out letter according to the grouping information of described the first grouping of selectingChannel state information measures, wherein, and the channel that the each grouping in described at least one grouping comprisesThe reference signal of status information belongs to different transfer points.

44. according to the base station described in claim 43, it is characterized in that, described receiver module, also forDescribed first grouping of described the first channel condition information sending at the described subscriber equipment of reception and correspondenceBefore grouping information, receive the grouping information of described at least one grouping of described subscriber equipment transmission;

Described receiver module, described the first channel status letter sending specifically for receiving described subscriber equipmentThe indication information of the grouping information of described first grouping of breath and correspondence; The grouping information of described the first groupingIndication information comprise the group character of described grouping or channel condition information that described grouping comprisesReference signal.

45. according to the base station described in claim 44, it is characterized in that:

Described receiver module, comprises multiple points specifically for the grouping information when described at least one groupingThe grouping information of group; When described subscriber equipment is selected at least two from the grouping information of described multiple groupingsThe grouping information of described the first grouping is carried out respectively channel condition information measurement, obtains at least two of correspondenceWhen described the first channel condition information, receive that described subscriber equipment sends by PUSCH aperiodicityAt least two described the first channel condition informations and at least two corresponding the described first grouping informations of dividing into groupsIndication information; Or receive at least two institutes that described subscriber equipment periodically sends by PUCCHState the indication letter of the grouping informations of at least two described the first groupings of the first channel condition information and correspondenceBreath.

46. according to the base station described in claim 45, it is characterized in that at least two described the first channelsStatus information is that the relevant associating send mode of described subscriber equipment employing sends or is described subscriber equipmentAdopt incoherent associating send mode to send; Described receiver module, also for ought at least two describedOne channel condition information is that described subscriber equipment adopts relevant associating send mode to send, and receives described useIn at least two described the first channel condition informations that family equipment sends arbitrarily phase information between the two and/Or amplitude information.

47. according to the arbitrary described base station of claim 43-46, it is characterized in that described channel statusThe reference signal of information is by the port-mark under configuration identifier and the described configuration identifier of channel condition informationCommon mark.

48. 1 kinds of channel condition information measuring systems, is characterized in that, comprise base station and subscriber equipment;

Described base station adopts the arbitrary described base station of claim 25-30 described above, described subscriber equipmentAdopt the arbitrary described subscriber equipment of claim 31-36 described above; Or

Described subscriber equipment adopts the arbitrary described subscriber equipment of claim 37-42 described above, described inBase station adopts the arbitrary described base station of claim 43-47 described above.