CN101938336B - A kind of instruction of uplink transmission mode, determine method and system - Google Patents

A kind of instruction of uplink transmission mode, determine method and system Download PDF

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Publication number
CN101938336B
CN101938336B CN201010256014.1A CN201010256014A CN101938336B CN 101938336 B CN101938336 B CN 101938336B CN 201010256014 A CN201010256014 A CN 201010256014A CN 101938336 B CN101938336 B CN 101938336B
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transmission
information
coding matrix
bit field
precoding
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CN101938336A (en
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戴博
吴欣
梁春丽
张禹强
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2011/070995 priority patent/WO2012019451A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0028—Variable division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0092—Indication of how the channel is divided

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A kind of instruction of uplink transmission mode, determine method and system, for senior Long Term Evolution (LTE-A) system, this indicating means comprises: uplink transmission mode is indicated with the descending control signaling of instruction up-link precoding information in base station simultaneously, wherein, the precoding information that the part value of the bit field of described descending control signaling represents only includes rank indication information or layer information, and base station is used this part value equipment for indicating user to adopt the uplink transmission mode of Open-Loop Spatial Multiplexing; Described descending control signaling is sent to subscriber equipment by described base station. Indicating means of the present invention can solve base station can not indicate to UE the problem of uplink transmission mode. The present invention also provides a kind of definite method and corresponding system of the uplink transmission mode based on above-mentioned uplink transmission mode indicating means, and UE can determine the uplink transmission mode that will adopt according to descending control signaling, and carries out corresponding precoding processing.

Description

A kind of instruction of uplink transmission mode, determine method and system
Technical field
The present invention relates to senior Long Term Evolution (LTE-Advanced, referred to as LTE-A) system, especiallyRelate to uplink transmission mode indicating means in this system, determine method and system thereof.
Background technology
Third generation partner program (The3rdGenerationPartnershipProject, referred to as3GPP) in Long Term Evolution (LongTermEvolution, referred to as LTE) system, base station adopts collectionThe physical uplink that the mode of middle scheduling is controlled user terminal (UserEquipment, referred to as UE) is total toEnjoy the transmission of channel (PhysicalUplinkSharedChannel, referred to as PUSCH).
Base station by Physical Downlink Control Channel (PhysicalDownlinkControlChannel, referred to asPDCCH) uplink scheduling information of PUSCH (uplinkschedulinginformation) is sent toObject UE. The control information of Physical Downlink Control Channel bearing downlink (DownlinkControlInformation,Referred to as DCI), comprising lower/upper row schedule information (downlinkoruplinkschedulingInformation), uplink transmission power control command etc. According to different Downlink Control Information, LTESystem definition multiple descending control information format (DCIformat). The uplink scheduling information of PUSCHBe carried in descending control information format 0 (DCIformat0). If detecting, UE there is DCIformatThe PDCCH of 0 form, according to the uplink scheduling information wherein comprising, on distributed channel resourceAdopt indicated modulation coding mode and corresponding transmitting power to send PUSCH.
Wherein, in DCIformat0, comprise following information: for distinguishing DCIformat0 and DCIformatThe flag bit of 1A; Frequency hopping flag bit; Resource block assignments and frequency-hopping resource distribute; Modulation coding mode(ModulationandCodingScheme, referred to as MCS) and redundancy versions (RedundancyVersion, referred to as RV); New data instruction (Newdataindicator); Be used for dispatched PUSCHEmissive power control command (TPCcommandforscheduledPUSCH); Demodulated reference signalCyclic shift (CyclicshiftforDMRS); Up instruction (ULindex), when existing only inDivide duplex (TimeDivisionDuplex, referred to as TDD) system, for uplink-downlink configuration(Uplink-downlinkconfiguration) be at 0 o'clock; Descending distribution instruction (DownlinkAssignmentIndex, referred to as DAI), exist only in tdd systems, be 1～6 o'clock for uplink-downlink configuration;Channel quality indication request (CQIrequest).
In LTE system, the PUSCH frequency division multiplexing up-link bandwidth of multiple UE in community,The PUSCH of different UEs is orthogonal on frequency domain. And base station is designated as target in DCIformat0The radio channel resource of the PUSCH that UE distributes.
In LTE system, PUSCH adopts single antenna port transmission. In LTE system, PUSCHModulation coding mode and redundancy versions joint instructions in DCIformat0, wherein, joint instructions ratioSpecially for 5 bits.
LTE-A system is the evolution system of future generation of LTE system. In this system, introduce carrier aggregationTechnology (carrieraggregation), the carrier wave of each polymerization is called " component carrier " (componentCarrier). Multiple component carriers can be continuous, can be also discrete, can be positioned at same frequencySection (frequencyband), also can be positioned at different frequency range.
In LTE-A system, PUSCH can adopt single antenna port transmission, also can adopt many antenna endPort transmission. In the time of the transmission of many antenna ports, LTE-A support based on one or two code word (Codeword,Referred to as CW) spatial reuse, the corresponding transmission block TB of each code word, each transmission block correspondence oneIndividual modulation coding mode (5 bit) and new data instruction (1 bit). Subscriber equipment passes through high-level signalingSemi-static (semi-statically) is set to a kind of uplink transmission mode (UplinktransmissionMode), then on corresponding search volume, monitor descending control signaling, by this descending control signalingObtain the transmission means on corresponding PUSCH.
LTE-A adopts based on the code book Linear Precoding of (codebook is called again code book)(precoding), that is, transmitting terminal utilize channel condition information (ChannelStatusInformation,Referred to as CSI), carry out pretreatment (precoding) to transmitting. Transmitting terminal obtains the one of CSIApproach is the feedback by receiving terminal. In order to reduce feedback overhead, the general mode adopting is at receiving terminalPreserve identical code book with transmitting terminal, i.e. pre-coding matrix collection. Receiving terminal is according to current channel conditions,In code book, select suitable pre-coding matrix, and by it pre-coding matrix index value in code book(PrecodingMatrixIndex, referred to as PMI) feeds back to transmitting terminal, and transmitting terminal is pre-according to feedbackEncoder matrix index value finds corresponding pre-coding matrix, and transmitted signal is carried out to precoding. At LTE-AIn system, the precoding information of PUSCH also should be at the descending control information format for uplink schedulingInstruction.
In LTE-A up-link, base station is according to current channel conditions, selects suitable pre-in code bookEncoder matrix, and the PMI in code book, together with some other uplink scheduling information, is carried on certain by itIn descending control information format, send to dispatched UE through PDCCH. UE is according under detectingPMI in row control information form finds pre-coding matrix, and transmitted signal is carried out to precoding.
At present, the code book in LTE-A system has designed complete, still, and for carrying uplink scheduling letterThe scheme of the descending control information format of breath does not also have final determining. At existing Downlink Control Information latticeFormula comprises the descending control signaling that is used to indicate up-link precoding information, this descending control signalingThe different values (also can be described as different conditions) of control domain are used to indicate different pre-coding matrixes. UE sends outWhile sending upstream data, carry out precoding according to the pre-coding matrix of this descending control signaling instruction. But,The information of uplink transmission mode can not be indicated by this descending control signaling in base station to UE. Correspondingly, UECan not determine whether adopting according to the instruction of base station the transmission means of Open-Loop Spatial Multiplexing, thereby giveUplink scheduling is made troubles. Adopting when Open-Loop Spatial Multiplexing, UE also needs to determine in the time of uplink and isNot no and how to carry out precoding, in currently available technology, also do not relate to.
Summary of the invention
The technical problem to be solved in the present invention is to provide uplink side in a kind of LTE-Advanced systemThe indicating means of formula, can not indicate to UE the problem of uplink transmission mode to solve base station.
In order to solve the problems of the technologies described above, the invention provides a kind of indicating means of uplink transmission mode,For senior Long Term Evolution (LTE-A) system, this indicating means comprises:
Uplink is indicated with the descending control signaling of instruction up-link precoding information in base station simultaneouslyMode, wherein, the precoding information that the part value of the bit field of described descending control signaling represents only wrapsDraw together rank indication information or layer information, base station is used this part value equipment for indicating user to adopt open loop space multipleWith uplink transmission mode;
Described descending control signaling is sent to subscriber equipment by described base station.
Preferably,
In the time that the antenna number of subscriber equipment is 2, the part value table of the bit field of described descending control signalingThe precoding information showing only includes rank indication information or layer information, is specially:
Use 1 value of this bit field to represent that order or the number of plies are 1; Or
Use 1 value of this bit field to represent that order or the number of plies are 2; Or
In the time that 2 transmission blocks enable, use 1 value of this bit field to represent that order or the number of plies are 2; 1When individual transmission block enables, use 1 value of this bit field to represent that order or the number of plies are 1; Or
In the time that 1 transmission block enables, use 1 value of this bit field to represent that order or the number of plies are 1.
Preferably,
In the time that the antenna number of subscriber equipment is 4, the part value table of the bit field of described descending control signalingThe precoding information showing only includes rank indication information or layer information, is specially:
Use 2 values of described bit field to represent that respectively order or the number of plies are 2 and 3; Or
Use 3 values of described bit field to represent that respectively order or the number of plies are 2,3 and 4; Or
Use 3 values of described bit field to represent that respectively order or the number of plies are 1,2 and 3; Or
Use 4 values of described bit field to represent that respectively order or the number of plies are 1,2,3 and 4; Or
In the time that 2 transmission blocks enable, use 3 values of described bit field to represent that respectively order or the number of plies are2,3 and 4; In the time that 1 transmission block enables, use 2 values of described bit field represent respectively order orThe number of plies is 1 and 2; Or
In the time that 2 transmission blocks enable, use 2 values of described bit field to represent that respectively order or the number of plies are2 and 3; In the time that 1 transmission block enables, use 2 values of described bit field to represent respectively order or layerNumber is 1 and 2.
Preferably,
Corresponding relation between each value of the bit field of described descending control signaling and the information of expression disposesMany groups, current instruction precoding information and up biography are determined according to the number of the transmission block enabling in described base stationThe one group of corresponding relation using when defeated mode information;
Described base station also sends to subscriber equipment by the number information of the transmission block enabling.
The indicating means of uplink transmission mode according to the present invention, the base station of LTE-A system can refer to UEShow the uplink transmission mode that should adopt, comprise the mode of Open-Loop Spatial Multiplexing, thereby conveniently UE is carried outUplink scheduling.
Another technical problem that the present invention will solve is to provide a kind of based on above-mentioned uplink transmission mode instruction sideDefinite method of the uplink transmission mode of method, UE can determine will adopt up according to descending control signalingTransmission means, and carry out corresponding precoding processing.
In order to solve the problems of the technologies described above, the invention provides a kind of up biography based on above-mentioned indicating meansDefinite method of defeated mode, comprising:
Subscriber equipment is received after the described descending control signaling of base station transmission, as descending control letter as described in judgingThe precoding information that the value of the bit field of order represents only includes rank indication information or layer information, adopts and opensThe mode transmit ascending data that annular space is multiplexing.
Preferably,
When described subscriber equipment adopts the mode of Open-Loop Spatial Multiplexing to carry out upstream multi-antenna transmission, according to useRules selection one pre-coding matrix that family equipment is set voluntarily, uses this precoding while carrying out multi-antenna transmissionMatrix carries out precoding; Or, according to rules selection one pre-coding matrix of base station agreement, carry out manyWhen antenna transmission, use this pre-coding matrix to carry out precoding; Or, do not choose pre-coding matrix, carry outWhen the transmission of many antennas, do not carry out precoding.
Preferably,
When described subscriber equipment adopts the mode transmit ascending data of Open-Loop Spatial Multiplexing, adopt following ruleIn one select a pre-coding matrix to carry out precoding:
The default sequence number of Resource Unit and the corresponding relation of pre-coding matrix, according to the tune of transmit ascending dataThe sequence number of OFDM symbol, subframe, Resource Block or Physical Resource Block in symbol processed, time domain is selected correspondingPre-coding matrix; Or
According to the number of times of uplink, sequentially select pre-coding matrix; Or
The random pre-coding matrix of selecting; Or
Selecting precoding index is that the pre-coding matrix of default fixed value carries out precoding.
Preferably,
Described subscriber equipment is the subscriber equipment of R10 or later release, and described subscriber equipment is in initial accessNetwork, while also not receiving information in uplink mode, carries out uplink according to the regulation of R8 version;Receiving after information in uplink mode, described subscriber equipment is again according to indicating in described descending control signalingUplink transmission mode carry out the uplink of many antennas.
Preferably,
Corresponding relation between each value of the bit field of described descending control signaling and the information of expression disposesMany groups, current instruction precoding information and up biography are determined according to the number of the transmission block enabling in described base stationThe one group of corresponding relation using when defeated mode information;
Described subscriber equipment is received after the described descending control signaling of base station transmission, is being judged described descending controlThe precoding information that the value of the bit field of signaling processed represents whether only include rank indication information or layer information itBefore, the number information of the transmission block enabling first sending according to base station is determined the described descending control of current useOne group of corresponding relation between the value of the bit field of signaling processed and the information of expression, obtains described descending controlThe precoding information that the value of the bit field of signaling processed represents.
According to determining of uplink transmission mode of the present invention, the UE in LTE-A system can be according to base stationSend descending control signaling determine to adopt Open-Loop Spatial Multiplexing still to adopt the transmission of Closed-Loop Spatial MultiplexingMode, and can further determine corresponding precoding processing mode.
The another technical problem that the present invention will solve is to provide a kind of senior length of indicating uplink transmission modePhase evolution (LTE-A) system.
In order to solve the problems of the technologies described above, the invention provides a kind of the senior of uplink transmission mode of indicatingLong Term Evolution (LTE-A) system, comprises base station and subscriber equipment, wherein:
Described base station comprises:
Indicating device, for refer to the descending control signaling of instruction up-link precoding information simultaneouslyShow uplink transmission mode, wherein, what the part value of the bit field of described descending control signaling represented prelistsCode information only includes rank indication information or layer information, and base station is used this part value equipment for indicating user to adoptThe uplink transmission mode of Open-Loop Spatial Multiplexing;
Dispensing device, for sending to subscriber equipment by described descending control signaling;
Described subscriber equipment comprises:
Receiving system, the described descending control signaling sending for receiving base station;
Uplink transmission mode determining device, for judging the value table of bit field of described descending control signalingWhether the precoding information showing only includes rank indication information or layer information, in this way, adopts Open-Loop Spatial MultiplexingMode transmit ascending data.
Preferably,
Described subscriber equipment also comprises precoding processing device, for the mode adopting Open-Loop Spatial MultiplexingWhile carrying out upstream multi-antenna transmission, rules selection one pre-coding matrix of setting voluntarily according to subscriber equipment,While carrying out multi-antenna transmission, use this pre-coding matrix to carry out precoding; Or, according to base station agreementRules selection one pre-coding matrix, uses this pre-coding matrix to carry out precoding while carrying out multi-antenna transmission;Or, do not choose pre-coding matrix, while carrying out the transmission of many antennas, do not carry out precoding.
The present invention can indicate in the LTE-A system of uplink transmission mode, and UE can send according to base stationDescending control signaling is determined the transmission means that will adopt Open-Loop Spatial Multiplexing still to adopt Closed-Loop Spatial Multiplexing,And can further determine corresponding precoding processing mode, facilitate the uplink scheduling of base station to UE.
Brief description of the drawings
Fig. 1 is the flow chart of embodiment of the present invention method.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
Precoding information in literary composition comprises the indication information of layer information and pre-coding matrix. In the prior art,The precoding information of downlink is by the indication information combined coding of layer information and pre-coding matrix, correspondingThe precoding information that represents of the value of bit field comprise the indication information of layer information and pre-coding matrix, noCan indicate the information of uplink transmission mode.
The flow process of the present embodiment method as shown in Figure 1, comprising:
Step 110, base station refers to the descending control signaling of instruction up-link precoding information simultaneouslyShow uplink transmission mode, wherein, what the part value of the bit field of described descending control signaling represented prelistsCode information only includes rank indication information or layer information, and base station is used this part value equipment for indicating user to adoptThe uplink transmission mode of Open-Loop Spatial Multiplexing;
In the present embodiment, the precoding information that the part value of described descending control signaling bit field represents onlyComprise rank indication information or layer information, the precoding information that part value represents comprises layer information and prelistsCode matrix information. In addition, can also there is the information of part value for representing that transmission block enables, as enableThe number of transmission block; All right reserved part value, does not temporarily represent any information.
Corresponding relation between each value of the bit field of described descending control signaling and the information of expression can be joinedBe equipped with one or more groups, as dispose many groups, base station can be determined and work as according to the number of the transmission block enablingThe one group of corresponding relation using when front instruction precoding information and uplink transmission mode information.
In the present embodiment, in the time that the antenna number of subscriber equipment is 2, the bit field of described descending control signalingThe precoding information that represents of part value only include rank indication information or layer information, be specially:
Use 1 value of this bit field to represent that order or the number of plies are 1; Or
Use 1 value of this bit field to represent that order or the number of plies are 2; Or
In the time that 2 transmission blocks enable, use 1 value of this bit field to represent that order or the number of plies are 2; 1When individual transmission block enables, use 1 value of this bit field to represent that order or the number of plies are 1.
In the time that the antenna number of subscriber equipment is 4, the part value table of the bit field of described descending control signalingThe precoding information showing only includes rank indication information or layer information, is specially:
Use 3 values of described bit field to represent that respectively order or the number of plies are 2,3 and 4; Or
Use 4 values of described bit field to represent that respectively order or the number of plies are 1,2,3 and 4; Or
In the time that 2 transmission blocks enable, use 3 values of described bit field to represent that respectively order or the number of plies are2,3 and 4; In the time that 1 transmission block enables, use 2 values of described bit field represent respectively order orThe number of plies is 1 and 2.
In LTE-A system, the number of plies of transmission equates with the value of order.
Step 120, described descending control signaling is sent to UE by base station;
The descending control signaling of instruction up-link precoding information is the descending control comprising in DCIformatOne in signaling processed, DCIformat and the existing DCIformat of the present embodiment definition are different.
Step 130, UE receives after the described descending control signaling of base station transmission, as descending control as described in judgingThe precoding information that the value of the bit field of signaling processed represents only includes rank indication information or layer information, adoptsWith the mode transmit ascending data of Open-Loop Spatial Multiplexing.
When UE adopts the mode of Open-Loop Spatial Multiplexing to carry out upstream multi-antenna transmission:
Can not choose pre-coding matrix, in the time carrying out the transmission of many antennas, not carry out precoding; Or
Can be according to rules selection one pre-coding matrix of setting voluntarily, while carrying out multi-antenna transmission, using shouldPre-coding matrix carries out precoding; Or
Can according to rules selection one pre-coding matrix of base station agreement, use while carrying out multi-antenna transmissionThis pre-coding matrix carries out precoding.
For example, above-mentioned rule can be the one in following rule:
● the default sequence number of Resource Unit and the corresponding relation of pre-coding matrix, according to transmit ascending dataIt is right that the sequence number of OFDM symbol, subframe, Resource Block or Physical Resource Block in modulation symbol, time domain is selectedThe pre-coding matrix of answering; Or
● according to the number of times of uplink, sequentially select pre-coding matrix; Or
● select at random pre-coding matrix; Or
● selecting precoding index is that the pre-coding matrix of default fixed value carries out precoding, at UEAntenna number is 2 o'clock, and this fixed value can adopt 0.
UE judges that precoding information that the value of the bit field of described descending control signaling represents comprises and prelistsWhen code matrix information, adopt the uplink transmission mode of Closed-Loop Spatial Multiplexing, and adopt this value to indicatePre-coding matrix carries out precoding.
The UE of R10 or later release, at initial access network, does not also receive information in uplink modeTime, carry out uplink according to the regulation of R8 version; Receiving after information in uplink mode described useFamily equipment carries out the up of many antennas according to the uplink transmission mode of indicating in described descending control signaling againTransmission.
Correspondingly, senior Long Term Evolution (LTE-A) the system bag of the indicated uplink transmission mode of the present embodimentDraw together base station and subscriber equipment, wherein:
Base station comprises:
Indicating device, for refer to the descending control signaling of instruction up-link precoding information simultaneouslyShow uplink transmission mode, wherein, what the part value of the bit field of described descending control signaling represented prelistsCode information only includes rank indication information or layer information, and base station is used this part value equipment for indicating user to adoptThe uplink transmission mode of Open-Loop Spatial Multiplexing; Concrete indicating mode is shown in other parts in literary composition.
Dispensing device, for sending to subscriber equipment by described descending control signaling;
Subscriber equipment comprises:
Receiving system, the described descending control signaling sending for receiving base station;
Uplink transmission mode determining device, for judging the value table of bit field of described descending control signalingWhether the precoding information showing only includes rank indication information or layer information, in this way, adopts Open-Loop Spatial MultiplexingMode transmit ascending data.
Further,
Described subscriber equipment can also comprise precoding processing device, for adopting Open-Loop Spatial MultiplexingWhen mode is carried out upstream multi-antenna transmission, the rules selection one precoding square of setting voluntarily according to subscriber equipmentBattle array, is used this pre-coding matrix to carry out precoding while carrying out multi-antenna transmission; Or, according to base station approximatelyFixed rules selection one pre-coding matrix, uses this pre-coding matrix to prelist while carrying out multi-antenna transmissionCode; Or, do not choose pre-coding matrix, while carrying out the transmission of many antennas, do not carry out precoding. Can adoptWith preset rules as described above.
Further,
Described base station also comprises corresponding relation determining device, wherein:
Described corresponding relation determining device is for according to the number of the transmission block that enables, from configuration describedIn many groups corresponding relation between each value of the bit field of row control signal and the information of expression, determine current makingWith one group of corresponding relation and notify indicating device;
Described indicating device this group corresponding relation based on current use is indicated precoding information and up biographyDefeated mode information;
Correspondingly, described dispensing device is also for sending to user to establish the number information of the transmission block enablingStandby; The described number information that described receiving system also sends for receiving base station; Described uplink transmission modeOnly whether the precoding information that determining device represents in the value of bit field that judges described descending control signalingBefore comprising rank indication information or layer information, the number information of the transmission block enabling first sending according to base stationDetermine a group between the value of bit field of the described descending control signaling of current use and the information of expressionCorresponding relation, obtains the precoding information that the value of described bit field represents.
Elaborate above-described embodiment by several application examples more below.
Application example one:
In the time that UE antenna number is 2, in the DCIformat of this example, be used to indicate up-link pre-The bit field of the descending control signaling of coded message comprises 2 bits, and the different values of this bit field represent notSame information, specific as follows:
1 value wherein, as 00, represents that a kind of pre-coding matrix of 2 layers of transmission correspondence (also canSay 1 corresponding pre-coding matrix index, both are equal to), 2 transmission blocks enable;
1 value wherein, as 01, represents that first transmission block enables, and second transmission block do not enable;
1 value wherein, as 10, represents that second transmission block enables, and first transmission block does not enable;
1 value wherein, as 11, the precoding information of expression only includes rank indication information or layer information,And order or the number of plies are 2.
The value of the bit field in literary composition is all used binary number representation, also can be with corresponding cross number processed or itsHe represents mode.
Above-mentioned corresponding relation is expressed as follows with form:
Table 1
Precoding information bit field The information representing
00 2 layers of a kind of pre-coding matrix that transmission is corresponding, 2 transmission blocks enable
01 First transmission block enables, and second transmission block do not enable
10 Second transmission block enables, and first transmission block does not enable
11 Order or the number of plies are 2
It should be noted that, the information of above-mentioned value 00,01,10 and 11 correspondences can be exchanged use.
UE receives after the described descending control signaling that base station sends, judges up-link precoding information territoryWhen the precoding information that value represents only includes rank indication information or layer information, will not adopt base station to indicatePre-coding matrix carries out multi-antenna transmission, but adopts the transmission means of Open-Loop Spatial Multiplexing.
Under the transmission means of Open-Loop Spatial Multiplexing, UE can not choose pre-coding matrix, is carrying out many daysWhen the transmission of line, do not carry out precoding; Or, set voluntarily according to UE or with the rule of base station agreementSelect a pre-coding matrix, while carrying out multi-antenna transmission, use this pre-coding matrix to carry out precoding.
Above-mentioned default rule can be the one in following rule:
● the default sequence number of modulation symbol and the corresponding relation of pre-coding matrix, according to transmit ascending dataThe sequence number of symbol is selected corresponding pre-coding matrix;
● the sequence number of OFDM symbol and the corresponding relation of pre-coding matrix of default time domain, according in transmissionThe sequence number of the symbol of row data is selected corresponding pre-coding matrix;
● the corresponding relation of default subframe numbers and pre-coding matrix, according to the son of the subframe of transmit ascending dataFrame number is selected corresponding pre-coding matrix;
● the default sequence number of Resource Block (ResourseBlock, RB) and the corresponding relation of pre-coding matrix,Select corresponding pre-coding matrix according to the sequence number of the Resource Block of transmit ascending data;
● sequence number and the precoding square of default Physical Resource Block (PhysicalResourseBlock, PRB)The corresponding relation of battle array, selects corresponding precoding square according to the sequence number of the Physical Resource Block of transmit ascending dataBattle array;
● according to the number of times of uplink, sequentially select pre-coding matrix;
● select at random pre-coding matrix;
● select the pre-coding matrix that precoding index is 0 to carry out precoding.
Application example two:
In the time that UE antenna number is 2, in the DCIformat of this example, be used to indicate up-link pre-The bit field of the descending control signaling of coded message comprises 3 bits, and the different values of this bit field representDifferent information, specific as follows:
1 value wherein, as 000, represents 2 layers of a kind of pre-coding matrix that transmission is corresponding;
6 values wherein, as 001～110, represent respectively 1 layer of 6 kinds of precoding square that transmission is correspondingBattle array;
The precoding information that 1 value wherein represents only includes rank indication information or layer information, as with 111Represent that order or the number of plies are 2, or, represent that order or the number of plies are 1.
Above-mentioned corresponding relation is expressed as follows with form:
Table 2
Precoding information bit field The information representing
000 2 layers of a kind of pre-coding matrix that transmission is corresponding
001～110 1 layer of 6 kinds of pre-coding matrix that transmission is corresponding
111 Order or the number of plies are 2
Or
Table 3
Precoding information bit field The information representing
000 2 layers of a kind of pre-coding matrix that transmission is corresponding
001～110 1 layer of 6 kinds of pre-coding matrix that transmission is corresponding
111 Order or the number of plies are 1
It should be noted that, above-mentioned 000,001,010,011,100,101,110 and 111 representInformation can exchange use.
UE receive base station send descending control signaling after processing with above-mentioned application example one.
Application example three:
In the time that UE antenna number is 4, in the DCIformat of this example, be used to indicate up-link pre-The bit field of the descending control signaling of coded message comprises 5 bits, and the different values of this bit field representDifferent information, specific as follows:
16 values wherein, as 00000～01111, represent that respectively 16 kinds of 2 layers of transmission correspondence are pre-Encoder matrix;
12 values wherein, as 10000～11011, represent that respectively 12 kinds of 3 layers of transmission correspondence are pre-Encoder matrix;
1 value wherein, as 11100, represents 4 layers of a kind of pre-coding matrix that transmission is corresponding;
3 values wherein only represent rank indication information or layer information, as 11101,11110 and 11111,Represent that respectively order or the number of plies are 2,3 and 4.
Above-mentioned corresponding relation is expressed as follows with form:
Table 4
Precoding information bit field The information representing
00000～01111 2 layers of 16 kinds of pre-coding matrix that transmission is corresponding
10000～11011 3 layers of 12 kinds of pre-coding matrix that transmission is corresponding
11100 4 layers of a kind of pre-coding matrix that transmission is corresponding
11101 Order or the number of plies are 2
11110 Order or the number of plies are 3
11111 Order or the number of plies are 4
It should be noted that, the information of above-mentioned 00000～11111 correspondence can be exchanged use.
UE receives after the described descending control signaling that base station sends, judges up-link precoding information territoryWhen the precoding information that value represents only includes rank indication information or layer information, will not adopt base station to indicatePre-coding matrix carries out multi-antenna transmission, but adopts the transmission means of Open-Loop Spatial Multiplexing.
Under the transmission means of Open-Loop Spatial Multiplexing, UE can not choose pre-coding matrix, is carrying out many daysWhen the transmission of line, do not carry out precoding; Or, the rule of setting voluntarily according to UE or with base station agreementRules selection one pre-coding matrix, while carrying out multi-antenna transmission, use this pre-coding matrix to carry out precoding.
Above-mentioned default rule can be the one in following rule:
● the default sequence number of modulation symbol and the corresponding relation of pre-coding matrix, according to transmit ascending dataThe sequence number of symbol is selected corresponding pre-coding matrix;
● the sequence number of OFDM symbol and the corresponding relation of pre-coding matrix of default time domain, according in transmissionThe sequence number of the symbol of row data is selected corresponding pre-coding matrix;
● the corresponding relation of default subframe numbers and pre-coding matrix, according to the son of the subframe of transmit ascending dataFrame number is selected corresponding pre-coding matrix;
● the default sequence number of Resource Block (ResourseBlock, RB) and the corresponding relation of pre-coding matrix,Select corresponding pre-coding matrix according to the sequence number of the Resource Block of transmit ascending data;
● sequence number and the precoding square of default Physical Resource Block (PhysicalResourseBlock, PRB)The corresponding relation of battle array, selects corresponding precoding square according to the sequence number of the Physical Resource Block of transmit ascending dataBattle array;
● according to the number of times of uplink, sequentially select pre-coding matrix;
● select at random pre-coding matrix;
Wherein, sequence number and the precoding of the default transmission symbol (as modulation symbol, OFDM symbol) of UEThe corresponding relation of matrix, selects corresponding precoding square according to the sequence number of the transmission symbol of transmit ascending dataA concrete example of battle array is as follows:
In the span of transmission symbol, taking the number of plies (or order) ν that transmits as unit, from the 1st symbolNumber start the upstream data that transmits on first group of ν symbol employing precoding index (PrecoderIndex)Be 12 pre-coding matrix, it is 13 that the upstream data transmitting on second group of ν symbol adopts precoding indexPre-coding matrix, the upstream data transmitting on the 3rd group of ν symbol adopts precoding index, and to be 14 pre-Encoder matrix, the upstream data transmitting on the 4th group of ν symbol adopts the precoding that precoding index is 15Matrix; What the upstream data employing precoding index transmitting on the 5th group of ν symbol afterwards, was 12 prelistsCode matrix, by that analogy.
The upstream data transmitting on i transmission symbol is carried out to pre-coding matrix that precoding adoptsIndex can be formulated as follows:
W(i)＝Ck
Wherein,k∈{1，2，3，4}，C1，C2，C3，C4Represent that pre-coding matrix is correspondingPrecoding index be 12,13,14 and 15, ν represent transmission the number of plies (or order), i is integer.
Application example four:
In the time that UE antenna number is 4, in the DCIformat of this example, be used to indicate up-link pre-The bit field of the descending control signaling of coded message comprises 6 bits, and the different values of this bit field representDifferent information, specific as follows:
24 values wherein, as 000000～010111, represent respectively 24 kinds of 1 layer of transmission correspondencePre-coding matrix;
16 values wherein, as 011000～100111, represent respectively 16 kinds of 2 layers of transmission correspondencePre-coding matrix;
12 values wherein, as 101000～110011, represent respectively 12 kinds of 3 layers of transmission correspondencePre-coding matrix;
1 value wherein, as 110100, represents 4 layers of a kind of pre-coding matrix that transmission is corresponding;
The precoding information that 4 values wherein represent only includes rank indication information or layer information, as used110101,110110,110111,111000 represent that respectively order or the number of plies are 1,2,3 and 4;
7 remaining values are reserved.
Above-mentioned corresponding relation is expressed as follows with form:
Table 5
Precoding information bit field The information representing
000000～010111 1 layer of 24 kinds of pre-coding matrix that transmission is corresponding
011000～100111 2 layers of 16 kinds of pre-coding matrix that transmission is corresponding
101000～110011 3 layers of 12 kinds of pre-coding matrix that transmission is corresponding
110100 4 layers of a kind of pre-coding matrix that transmission is corresponding
110101 Order or the number of plies are 1
110110 Order or the number of plies are 2
110111 Order or the number of plies are 3
111000 Order or the number of plies are 4
111001～111111 Reserved
It should be noted that, the information of above-mentioned 000000～111111 correspondence can be exchanged use.
UE receive base station send descending control signaling after processing with above-mentioned application example three.
Application example five:
In the time that UE antenna number is 2, in the DCIformat of this example, be used to indicate up-link pre-The bit field of the descending control signaling of coded message comprises 3 bits, in the number of the transmission block enabling notMeanwhile, one group of corresponding relation between each value of this bit field and the information of expression is also different, sameIn one group of corresponding relation, the different values of this bit field represent different information. This mode is profit fullyUse bit resource, represent complete information. Specific as follows:
1) in the time having 2 transmission blocks to enable:
1 value wherein, as 000, represents 2 layers of a kind of pre-coding matrix that transmission is corresponding;
The precoding information that 1 value wherein represents only includes rank indication information or layer information, as with 001Represent that order or the number of plies are 2;
6 remaining values are reserved.
2) in the time having 1 transmission block to enable:
6 values wherein, as 000～101, represent respectively 1 layer of 6 kinds of precoding square that transmission is correspondingBattle array;
The precoding information that 1 value wherein represents only includes rank indication information or layer information, as with 110Represent that order or the number of plies are 1;
1 remaining value is reserved.
Above-mentioned corresponding relation is expressed as follows with form:
Table 6
In above-mentioned any one group of corresponding relation, 000,001,010,011,100,101,110 HesThe information of 111 correspondences can be exchanged use.
In this example, in the DCIformat that base station sends, also include the number letter of the transmission block enablingBreath, UE receives after the descending control signaling of base station transmission, first determines current use according to this number informationValue and the information of expression in up-link precoding information territory between one group of corresponding relation, according to reallyFixed corresponding relation obtains the precoding information that the value of the bit field of this descending control signaling represents, afterwardsProcessing with above-mentioned application example one.
Application example six:
In the time that UE antenna number is 4, in the DCIformat of this example, be used to indicate up-link pre-The bit field of the descending control signaling of coded message comprises 6 bits, in the number of the transmission block enabling notMeanwhile, one group of corresponding relation between each value of this bit field and the information of expression is also different, sameIn one group of corresponding relation, the different values of this bit field represent different information, specific as follows:
1) in the time having 2 transmission blocks to enable:
16 values wherein, as 000000～001111, represent respectively 16 kinds of 2 layers of transmission correspondencePre-coding matrix;
12 values wherein, as 010000～011011, represent respectively 12 kinds of 3 layers of transmission correspondencePre-coding matrix;
1 value wherein, as 011100, represents 4 layers of a kind of pre-coding matrix that transmission is corresponding;
The precoding information that 3 values wherein represent only includes rank indication information or layer information, as used011101,011110 and 011111 represents that respectively order or the number of plies are 2,3 and 4;
32 remaining values are reserved.
2) in the time having 1 transmission block to enable:
24 values wherein, as 000000～010111, represent respectively 24 kinds of 1 layer of transmission correspondencePre-coding matrix;
16 values wherein, as 011000～100111, represent respectively 16 kinds of 2 layers of transmission correspondencePre-coding matrix;
The precoding information that 2 values wherein represent only includes rank indication information or layer information, as used101000 and 101001 represent that respectively order or the number of plies are 1 and 2;
22 remaining values are reserved.
Above-mentioned corresponding relation is expressed as follows with form:
Table 7
In any one group of corresponding relation, the information of above-mentioned 000000～111111 correspondence can be exchanged use.
In this example, in the DCIformat that base station sends, also include the number letter of the transmission block enablingBreath, UE receives after the descending control signaling of base station transmission, first determines current use according to this number informationValue and the information of expression in up-link precoding information territory between one group of corresponding relation, according to reallyFixed corresponding relation obtains the precoding information that the value of the bit field of this descending control signaling represents, afterwardsProcessing with above-mentioned application example three.
Application example seven:
In the time that UE antenna number is 2, in the DCIformat of this example, be used to indicate up-link pre-The bit field of the descending control signaling of coded message comprises 3 bits, in the number of the transmission block enabling notMeanwhile, one group of corresponding relation between each value of this bit field and the information of expression is also different, sameIn one group of corresponding relation, the different values of this bit field represent different information, specific as follows:
1) in the time having 2 transmission blocks to enable:
1 value wherein, as 000, represents 2 layers of a kind of pre-coding matrix that transmission is corresponding;
7 remaining values are reserved.
2) in the time having 1 transmission block to enable:
6 values wherein, as 000～101, represent respectively 1 layer of 6 kinds of precoding square that transmission is correspondingBattle array;
The precoding information that 1 value wherein represents only includes rank indication information or layer information, as with 110Represent that order or the number of plies are 1;
1 remaining value is reserved.
Above-mentioned corresponding relation is expressed as follows with form:
Table 8
In above-mentioned any one group of corresponding relation, 000,001,010,011,100,101,110 HesThe information of 111 correspondences can be exchanged use.
In this example, in the DCIformat that base station sends, also include the number letter of the transmission block enablingBreath, UE receives after the descending control signaling of base station transmission, first determines current use according to this number informationValue and the information of expression in up-link precoding information territory between one group of corresponding relation, according to reallyFixed corresponding relation obtains the precoding information that the value of the bit field of this descending control signaling represents, afterwardsProcessing with above-mentioned application example one.
Application example eight:
In the time that UE antenna number is 4, in the DCIformat of this example, be used to indicate up-link pre-The bit field of the descending control signaling of coded message comprises 5 bits, and the different values of this bit field representDifferent information, specific as follows:
16 values wherein, as 00000～01111, represent that respectively 16 kinds of 2 layers of transmission correspondence are pre-Encoder matrix;
12 values wherein, as 10000～11011, represent that respectively 12 kinds of 3 layers of transmission correspondence are pre-Encoder matrix;
1 value wherein, as 11100, represents 4 layers of a kind of pre-coding matrix that transmission is corresponding;
2 values wherein only represent rank indication information or layer information, as 11101 and 11110, pointDo not represent that order or the number of plies are 2 and 3;
1 remaining value is reserved.
Above-mentioned corresponding relation is expressed as follows with form:
Table 9
Precoding information bit field The information representing
00000～01111 2 layers of 16 kinds of pre-coding matrix that transmission is corresponding
10000～11011 3 layers of 12 kinds of pre-coding matrix that transmission is corresponding
11100 4 layers of a kind of pre-coding matrix that transmission is corresponding
11101 Order or the number of plies are 2
11110 Order or the number of plies are 3
11111 Reserved
It should be noted that, the information of above-mentioned 00000～11111 correspondence can be exchanged use.
UE receives after the described descending control signaling that base station sends, judges up-link precoding information territoryWhen the precoding information that value represents only includes rank indication information or layer information, will not adopt base station to indicatePre-coding matrix carries out multi-antenna transmission, but adopts the transmission means of Open-Loop Spatial Multiplexing.
Under the transmission means of Open-Loop Spatial Multiplexing, UE can not choose pre-coding matrix, is carrying out many daysWhen the transmission of line, do not carry out precoding; Or, the rule of setting voluntarily according to UE or with base station agreementRules selection one pre-coding matrix, uses this pre-coding matrix to carry out precoding while carrying out multi-antenna transmission.
Above-mentioned default rule can be the one in following rule:
● the default sequence number of modulation symbol and the corresponding relation of pre-coding matrix, according to transmit ascending dataThe sequence number of symbol is selected corresponding pre-coding matrix;
● the sequence number of OFDM symbol and the corresponding relation of pre-coding matrix of default time domain, according in transmissionThe sequence number of the symbol of row data is selected corresponding pre-coding matrix;
● the corresponding relation of default subframe numbers and pre-coding matrix, according to the son of the subframe of transmit ascending dataFrame number is selected corresponding pre-coding matrix;
● the default sequence number of Resource Block (ResourseBlock, RB) and the corresponding relation of pre-coding matrix,Select corresponding pre-coding matrix according to the sequence number of the Resource Block of transmit ascending data;
● sequence number and the precoding square of default Physical Resource Block (PhysicalResourseBlock, PRB)The corresponding relation of battle array, selects corresponding precoding square according to the sequence number of the Physical Resource Block of transmit ascending dataBattle array;
● according to the number of times of uplink, sequentially select pre-coding matrix;
● select at random pre-coding matrix;
Wherein, the default sequence number of transmission symbol of UE and the corresponding relation of pre-coding matrix, up according to transmissionThe sequence number of the transmission symbol of data selects a concrete example of corresponding pre-coding matrix as follows:
In the span of transmission symbol, taking the number of plies (or order) ν that transmits as unit, from the 1st symbolNumber start the upstream data that transmits on first group of ν symbol employing precoding index (PrecoderIndex)Be 12 pre-coding matrix, it is 13 that the upstream data transmitting on second group of ν symbol adopts precoding indexPre-coding matrix, the upstream data transmitting on the 3rd group of ν symbol adopts precoding index, and to be 14 pre-Encoder matrix, the upstream data transmitting on the 4th group of ν symbol adopts the precoding that precoding index is 15Matrix; What the upstream data employing precoding index transmitting on the 5th group of ν symbol afterwards, was 12 prelistsCode matrix, by that analogy.
The upstream data transmitting on i transmission symbol is carried out to pre-coding matrix that precoding adoptsIndex can be formulated as follows:
W(i)＝Ck
Wherein,k∈{1，2，3，4}，C1，C2，C3，C4Represent that pre-coding matrix is correspondingPrecoding index be 12,13,14 and 15, ν represent transmission the number of plies (or order), i is integer.
Application example nine:
In the time that UE antenna number is 4, in the DCIformat of this example, be used to indicate up-link pre-The bit field of the descending control signaling of coded message comprises 6 bits, and the different values of this bit field representDifferent information, specific as follows:
24 values wherein, as 000000～010111, represent respectively 24 kinds of 1 layer of transmission correspondencePre-coding matrix;
16 values wherein, as 011000～100111, represent respectively 16 kinds of 2 layers of transmission correspondencePre-coding matrix;
12 values wherein, as 101000～110011, represent respectively 12 kinds of 3 layers of transmission correspondencePre-coding matrix;
1 value wherein, as 110100, represents 4 layers of a kind of pre-coding matrix that transmission is corresponding;
The precoding information that 4 values wherein represent only includes rank indication information or layer information, as used110101,110110 and 110111 represent that respectively order or the number of plies are 1,2 and 3;
8 remaining values are reserved.
Above-mentioned corresponding relation is expressed as follows with form:
Table 10
Precoding information bit field The information representing
000000～010111 1 layer of 24 kinds of pre-coding matrix that transmission is corresponding
011000～100111 2 layers of 16 kinds of pre-coding matrix that transmission is corresponding
101000～110011 3 layers of 12 kinds of pre-coding matrix that transmission is corresponding
110100 4 layers of a kind of pre-coding matrix that transmission is corresponding
110101 Order or the number of plies are 1
110110 Order or the number of plies are 2
110111 Order or the number of plies are 3
111000～111111 Reserved
It should be noted that, the information of above-mentioned 000000～111111 correspondence can be exchanged use.
UE receive base station send descending control signaling after processing with above-mentioned application example three.
Application example ten:
In the time that UE antenna number is 4, in the DCIformat of this example, be used to indicate up-link pre-The bit field of the descending control signaling of coded message comprises 6 bits, in the number of the transmission block enabling notMeanwhile, one group of corresponding relation between each value of this bit field and the information of expression is also different, sameIn one group of corresponding relation, the different values of this bit field represent different information, specific as follows:
1) in the time having 2 transmission blocks to enable:
16 values wherein, as 000000～001111, represent respectively 16 kinds of 2 layers of transmission correspondencePre-coding matrix;
12 values wherein, as 010000～011011, represent respectively 12 kinds of 3 layers of transmission correspondencePre-coding matrix;
1 value wherein, as 011100, represents 4 layers of a kind of pre-coding matrix that transmission is corresponding;
The precoding information that 2 values wherein represent only includes rank indication information or layer information, as used011101 and 011110 represents that respectively order or the number of plies are 2 and 3;
33 remaining values are reserved.
2) in the time having 1 transmission block to enable:
24 values wherein, as 000000～010111, represent respectively 24 kinds of 1 layer of transmission correspondencePre-coding matrix;
16 values wherein, as 011000～100111, represent respectively 16 kinds of 2 layers of transmission correspondencePre-coding matrix;
The precoding information that 2 values wherein represent only includes rank indication information or layer information, as used101000 and 101001 represent that respectively order or the number of plies are 1 and 2;
22 remaining values are reserved.
Above-mentioned corresponding relation is expressed as follows with form:
Table 11
In any one group of corresponding relation, the information of above-mentioned 000000～111111 correspondence can be exchanged use.
In this example, in the DCIformat that base station sends, also include the number letter of the transmission block enablingBreath, UE receives after the descending control signaling of base station transmission, first determines current use according to this number informationValue and the information of expression in up-link precoding information territory between one group of corresponding relation, according to reallyFixed corresponding relation obtains the precoding information that the value of the bit field of this descending control signaling represents, afterwardsProcessing with above-mentioned application example three.
Application example 11:
When R (Release) 10 or later the UE of version at initial access network, also do not receiveWhen information in uplink mode, UE transmits the mode that adopts R (Release) 8 versions; And work asThis UE receives after information in uplink mode, and UE will transmit according to information in uplink mode.
And UE is receiving after information in uplink mode, can retouch according to above-described embodiment and example thereofThe definite uplink transmission mode of method of stating carries out the transmission of many antennas.
In another embodiment, the present invention proposes the method for precoding under a kind of Open-Loop Spatial Multiplexing mode,Be applied to senior Long Term Evolution (LTE-A) system, this method for precoding comprises:
When described subscriber equipment adopts the mode of Open-Loop Spatial Multiplexing to carry out upstream multi-antenna transmission, according to useRules selection one pre-coding matrix that family equipment is set voluntarily, uses this precoding while carrying out multi-antenna transmissionMatrix carries out precoding; Or, according to rules selection one pre-coding matrix of base station agreement, carry out manyWhen antenna transmission, use this pre-coding matrix to carry out precoding; Or, do not choose pre-coding matrix, carry outWhen the transmission of many antennas, do not carry out precoding.
Above-mentioned rule (comprising the rule of setting voluntarily and the rule of agreement) can be one in following ruleKind:
The default sequence number of Resource Unit and the corresponding relation of pre-coding matrix, according to the tune of transmit ascending dataThe sequence number of OFDM symbol, subframe, Resource Block or Physical Resource Block in symbol processed, time domain is selected correspondingPre-coding matrix (can arrange with base station); Or
According to the number of times of uplink, sequentially select pre-coding matrix (can arrange with base station); OrPerson
The random pre-coding matrix (can be set voluntarily by UE) of selecting; Or
Select precoding index be the pre-coding matrix of default fixed value carry out precoding (can with baseThe agreement of standing).
The above be only the specific embodiment of the present invention, but protection scope of the present invention is not limited toIn this, any be familiar with those skilled in the art the present invention disclose technical scope in, can be easilyExpect changing or replacing, within all should being encompassed in protection scope of the present invention. Therefore, protection of the present inventionScope should be as the criterion with the protection domain described in claim.

Claims (14)

1. an indicating means for uplink transmission mode, for senior Long Term Evolution (LTE-A) system, shouldIndicating means comprises:
Up biography is indicated with the descending control signaling of instruction up-link precoding information in base station simultaneouslyDefeated mode, wherein, the precoding information that the part value of the bit field of described descending control signaling represents onlyComprise rank indication information or layer information, base station is used this part value equipment for indicating user to adopt open loop spaceMultiplexing uplink transmission mode;
Described descending control signaling is sent to subscriber equipment by described base station;
Corresponding relation configuration between each value of the bit field of described descending control signaling and the information of expressionHave many groups, current instruction precoding information and up is determined according to the number of the transmission block enabling in described base stationThe one group of corresponding relation using when transmission means information;
Described base station also sends to subscriber equipment by the number information of the transmission block enabling.
2. indicating means as claimed in claim 1, is characterized in that:
In the time that the antenna number of subscriber equipment is 2, the part value table of the bit field of described descending control signalingThe precoding information showing only includes rank indication information or layer information, is specially:
Use 1 value of this bit field to represent that order or the number of plies are 1; Or
Use 1 value of this bit field to represent that order or the number of plies are 2; Or
In the time that 2 transmission blocks enable, use 1 value of this bit field to represent that order or the number of plies are 2; ?When 1 transmission block enables, use 1 value of this bit field to represent that order or the number of plies are 1; Or
In the time that 1 transmission block enables, use 1 value of this bit field to represent that order or the number of plies are 1.
3. indicating means as claimed in claim 1, is characterized in that:
In the time that the antenna number of subscriber equipment is 4, the part value table of the bit field of described descending control signalingThe precoding information showing only includes rank indication information or layer information, is specially:
Use 2 values of described bit field to represent that respectively order or the number of plies are 2 and 3; Or
Use 3 values of described bit field to represent that respectively order or the number of plies are 2,3 and 4; Or
Use 3 values of described bit field to represent that respectively order or the number of plies are 1,2 and 3; Or
Use 4 values of described bit field to represent that respectively order or the number of plies are 1,2,3 and 4; Or
In the time that 2 transmission blocks enable, use 3 values of described bit field to represent that respectively order or the number of plies are2,3 and 4; In the time that 1 transmission block enables, use 2 values of described bit field represent respectively order orThe number of plies is 1 and 2; Or
In the time that 2 transmission blocks enable, use 2 values of described bit field to represent that respectively order or the number of plies are2 and 3; In the time that 1 transmission block enables, use 2 values of described bit field to represent respectively order or layerNumber is 1 and 2.
4. indicating means as claimed in claim 1, is characterized in that, the antenna number of subscriber equipment is 2 o'clock,The value of described bit field and the corresponding relation of precoding information are the one in following mode:
Mode one: described bit field comprises 2 bits, wherein, 1 value represents that 2 layers of transmission is corresponding1 kind of pre-coding matrix, 2 transmission blocks enable; 1 value represents that first transmission block enables, secondTransmission block does not enable; 1 value represents that second transmission block enables, and first transmission block does not enable; 1Individual value only represents that order or the number of plies are 2, and different values represent different information;
Mode two: described bit field comprises 3 bits, wherein, 1 value represents that 2 layers of transmission is corresponding1 kind of pre-coding matrix; 6 values represent respectively 1 layer of 6 kinds of pre-coding matrix that transmission is corresponding; Get for 1Value only represents that order or the number of plies are 2 or only represents that order or the number of plies are 1, and different values represent different information;
Mode three: described bit field comprises 3 bits, in the time having 2 transmission blocks to enable, wherein 1Individual value represents 2 layers of a kind of pre-coding matrix that transmission is corresponding, and 1 value only represents that order or the number of plies are 2,Different values represent different information, and 6 remaining values are reserved; In the time having 1 transmission block to enable, itsIn 6 values represent respectively 1 layer of 6 kinds of pre-coding matrix that transmission is corresponding; 1 value only represents orderOr the number of plies is 1, different values represent different information, and 1 remaining value is reserved; The transmission block enablingOther bit field instruction of crossing described uplink scheduling information of number information exchange;
Mode four: described bit field comprises 3 bits, in the time having 2 transmission blocks to enable, wherein 1Individual value represents 2 layers of a kind of pre-coding matrix that transmission is corresponding, and different values represent different information, remainder7 values reserved; In the time having 1 transmission block to enable, 6 values wherein represent respectively 1 layer of biography6 kinds of pre-coding matrixes of defeated correspondence; 1 value only represents that order or the number of plies are 1, and different values represent notSame information, 1 remaining value is reserved; The number information exchange of the transmission block enabling is crossed described uplink schedulingOther bit field instructions of information.
5. indicating means as claimed in claim 1, is characterized in that, the antenna number of subscriber equipment is 4 o'clock,The value of described bit field and the corresponding relation of precoding information are the one in following mode:
Mode one: described bit field comprises 5 bits, wherein, 16 values represent respectively 2 layers of transmission16 kinds of corresponding pre-coding matrixes; 12 values represent respectively 3 layers of 12 kinds of precoding square that transmission is correspondingBattle array; 1 value represents 4 layers of a kind of pre-coding matrix that transmission is corresponding; 3 values only represent respectively orderOr the number of plies is 2,3 and 4;
Mode two: described bit field comprises 5 bits, wherein, 16 values represent respectively 2 layers of transmission16 kinds of corresponding pre-coding matrixes; 12 values represent respectively 3 layers of 12 kinds of precoding square that transmission is correspondingBattle array; 1 value represents 4 layers of a kind of pre-coding matrix that transmission is corresponding; 2 values only represent respectively orderOr the number of plies is 2 and 3; 1 remaining value is reserved;
Mode three: described bit field comprises 6 bits, wherein, 24 values represent respectively 1 layer of transmission24 kinds of corresponding pre-coding matrixes; 16 values represent respectively 2 layers of 16 kinds of precoding square that transmission is correspondingBattle array; 12 values represent respectively 3 layers of 12 kinds of pre-coding matrix that transmission is corresponding; 1 value represents 41 kind of pre-coding matrix corresponding to layer transmission; 4 values only represent that respectively order or the number of plies are 1,2,3 and4; 7 remaining values are reserved;
Mode four: described bit field comprises 6 bits, wherein, 24 values represent respectively 1 layer of transmission24 kinds of corresponding pre-coding matrixes; 16 values represent respectively 2 layers of 16 kinds of precoding square that transmission is correspondingBattle array; 12 values represent respectively 3 layers of 12 kinds of pre-coding matrix that transmission is corresponding; 1 value represents 41 kind of pre-coding matrix corresponding to layer transmission; 4 values only represent that respectively order or the number of plies are 1,2 and 3;8 remaining values are reserved;
Mode five: described bit field comprises 6 bits, in the time having 2 transmission blocks to enable, wherein 16Individual value represents respectively 2 layers of 16 kinds of pre-coding matrix that transmission is corresponding; 12 values represent respectively 3 layers12 kinds of pre-coding matrixes that transmission is corresponding; 1 value represents 4 layers of a kind of pre-coding matrix that transmission is corresponding;3 values only represent that respectively order or the number of plies are 2,3 and 4; 32 remaining values are reserved; When having 1When individual transmission block enables, 24 values wherein represent respectively 1 layer of 24 kinds of precoding square that transmission is correspondingBattle array; 16 values represent respectively 2 layers of 16 kinds of pre-coding matrix that transmission is corresponding; 2 values respectively onlyRepresent that order or the number of plies are 1 and 2; 22 remaining values are reserved, the number information exchange of the transmission block enablingCross other bit field instructions of described uplink scheduling information;
Mode six: described bit field comprises 6 bits, in the time having 2 transmission blocks to enable, wherein 16Individual value represents respectively 2 layers of 16 kinds of pre-coding matrix that transmission is corresponding; 12 values represent respectively 3 layers12 kinds of pre-coding matrixes that transmission is corresponding; 1 value represents 4 layers of a kind of pre-coding matrix that transmission is corresponding;2 values only represent that respectively order or the number of plies are 2 and 3; 33 remaining values are reserved; When there being 1 biographyDefeated while enabling, 24 values wherein represent respectively 1 layer of 24 kinds of pre-coding matrix that transmission is corresponding;16 values represent respectively 2 layers of 16 kinds of pre-coding matrix that transmission is corresponding; 2 values only represent respectivelyOrder or the number of plies are 1 and 2; 22 remaining values are reserved, and the number information exchange of the transmission block enabling is crossed instituteState other bit field instructions of uplink scheduling information.
6. based on a definite method for the uplink transmission mode of indicating means as claimed in claim 1,Comprise:
Subscriber equipment is received after the described descending control signaling of base station transmission, as descending control letter as described in judgingThe precoding information that the value of the bit field of order represents only includes rank indication information or layer information, adopts and opensThe mode transmit ascending data that annular space is multiplexing;
Corresponding relation configuration between each value of the bit field of described descending control signaling and the information of expressionHave many groups, current instruction precoding information and up is determined according to the number of the transmission block enabling in described base stationThe one group of corresponding relation using when transmission means information;
Described base station also sends to subscriber equipment by the number information of the transmission block enabling.
7. definite method as claimed in claim 6, is characterized in that:
When described subscriber equipment adopts the mode of Open-Loop Spatial Multiplexing to carry out upstream multi-antenna transmission, according to useRules selection one pre-coding matrix that family equipment is set voluntarily, uses this precoding while carrying out multi-antenna transmissionMatrix carries out precoding; Or, according to rules selection one pre-coding matrix of base station agreement, carry out manyWhen antenna transmission, use this pre-coding matrix to carry out precoding; Or, do not choose pre-coding matrix, carry outWhen the transmission of many antennas, do not carry out precoding.
8. definite method as claimed in claim 6, is characterized in that:
When described subscriber equipment adopts the mode transmit ascending data of Open-Loop Spatial Multiplexing, adopt following ruleIn one select a pre-coding matrix to carry out precoding:
The default sequence number of Resource Unit and the corresponding relation of pre-coding matrix, according to the tune of transmit ascending dataThe sequence number of OFDM symbol, subframe, Resource Block or Physical Resource Block in symbol processed, time domain is selected correspondingPre-coding matrix; Or
According to the number of times of uplink, sequentially select pre-coding matrix; Or
The random pre-coding matrix of selecting; Or
Selecting precoding index is that the pre-coding matrix of default fixed value carries out precoding.
9. the definite method as described in claim 6 or 7 or 8, is characterized in that:
Described subscriber equipment is the subscriber equipment of R10 or later release, and described subscriber equipment is in initial accessNetwork, while also not receiving information in uplink mode, carries out uplink according to the regulation of R8 version;Receiving after information in uplink mode, described subscriber equipment is again according to indicating in described descending control signalingUplink transmission mode carry out the uplink of many antennas.
10. definite method as claimed in claim 6, is characterized in that:
Described subscriber equipment is received after the described descending control signaling of base station transmission, is being judged described descending controlWhether the precoding information that the value of the bit field of signaling processed represents only includes rank indication information or layer informationThe number information of the transmission block enabling before, first sending according to base station is determined the described descending of current useOne group of corresponding relation between the value of the bit field of control signal and the information of expression, obtains described descendingThe precoding information that the value of the bit field of control signal represents.
Can indicate senior Long Term Evolution (LTE-A) system of uplink transmission mode, comprise base station for 11. 1 kindsAnd subscriber equipment, it is characterized in that, wherein:
Described base station comprises:
Indicating device, for refer to the descending control signaling of instruction up-link precoding information simultaneouslyShow uplink transmission mode, wherein, what the part value of the bit field of described descending control signaling represented prelistsCode information only includes rank indication information or layer information, and base station is used this part value equipment for indicating user to adoptThe uplink transmission mode of Open-Loop Spatial Multiplexing;
Dispensing device, for sending to subscriber equipment by described descending control signaling;
Described subscriber equipment comprises:
Receiving system, the described descending control signaling sending for receiving base station;
Uplink transmission mode determining device, for judging the value table of bit field of described descending control signalingWhether the precoding information showing only includes rank indication information or layer information, in this way, adopts Open-Loop Spatial MultiplexingMode transmit ascending data;
Described base station also comprises corresponding relation determining device, wherein:
Described corresponding relation determining device is for according to the number of the transmission block that enables, from configuration describedIn many groups corresponding relation between each value of the bit field of row control signal and the information of expression, determine currentThe one group of corresponding relation using is also notified indicating device;
Described dispensing device is also for sending to subscriber equipment by the number information of the transmission block enabling.
12. advanced long-term evolution systems as shown in claim 11, is characterized in that:
Described indicating device this group corresponding relation based on current use is indicated precoding information and upTransmission means information;
The described number information that described receiving system also sends for receiving base station;
Described uplink transmission mode determining device is judging the value of bit field of described descending control signalingThe precoding information representing first sends according to base station before whether only including rank indication information or layer informationThe number information of the transmission block enabling is determined the getting of bit field of the described descending control signaling of current useOne group of corresponding relation between the information of value and expression, obtains the precoding that the value of described bit field representsInformation.
13. advanced long-term evolution systems as shown in claim 11, is characterized in that:
Described subscriber equipment also comprises precoding processing device, for the mode adopting Open-Loop Spatial MultiplexingWhile carrying out upstream multi-antenna transmission, rules selection one pre-coding matrix of setting voluntarily according to subscriber equipment,While carrying out multi-antenna transmission, use this pre-coding matrix to carry out precoding; Or, according to base station agreementRules selection one pre-coding matrix, uses this pre-coding matrix to carry out precoding while carrying out multi-antenna transmission;Or, do not choose pre-coding matrix, while carrying out the transmission of many antennas, do not carry out precoding.
14. advanced long-term evolution systems as shown in claim 11, is characterized in that:
Described subscriber equipment also comprises precoding processing device, for the mode adopting Open-Loop Spatial MultiplexingWhen transmit ascending data, adopt the one in following rule to select a pre-coding matrix to carry out precoding:
The default sequence number of Resource Unit and the corresponding relation of pre-coding matrix, according to the tune of transmit ascending dataThe sequence number of OFDM symbol, subframe, Resource Block or Physical Resource Block in symbol processed, time domain is selected correspondingPre-coding matrix; Or
According to the number of times of uplink, sequentially select pre-coding matrix; Or
The random pre-coding matrix of selecting; Or
Selecting precoding index is that the pre-coding matrix of default fixed value carries out precoding.
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