CN104753633A - High-order encoding processing method, device and system - Google Patents

High-order encoding processing method, device and system Download PDF

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Publication number
CN104753633A
CN104753633A CN201310754167.2A CN201310754167A CN104753633A CN 104753633 A CN104753633 A CN 104753633A CN 201310754167 A CN201310754167 A CN 201310754167A CN 104753633 A CN104753633 A CN 104753633A
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mcs
cqi
base station
rank
bit
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CN104753633B (en
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陈泽为
戴博
徐俊
夏树强
李儒岳
鲁照华
左志松
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2014/000617 priority patent/WO2015100690A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0016—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy involving special memory structures, e.g. look-up tables

Abstract

The invention provides a high-order encoding processing method, device and system, relates to the field of mobile communication, and aims to solve the problem that the existing communication system cannot support a higher order modulation mode. The method comprises a step that a base station transmits a configuration signal to a terminal, wherein the configuration signal represents that the base station selects an enhanced table supporting an M order modulation mode or selects a conventional table not supporting the M order modulation mode on a predefined resource set and/or the predefined transmission mode; the enhanced table is the enhanced CQI (Channel Quality Indication) table and/or MCS (Modulation and Coding scheme) table and/or TBS (Transport Block Size) table supporting the M order modulation mode; the conventional table is the conventional CQI table and/or MCS table and/or TBS table not supporting the M order modulation mode; M is greater than or equal to 256 and is an positive integer. The technical scheme provided by the invention is suitable for an LTE (Long Term Evolution) system, and higher order modulation processing of the base station and the terminal is realized.

Description

High-order code processing method, device and system
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of high-order code processing method, device and system.
Background technology
In mobile communication system, become due to during wireless fading channel, make communication process there is a large amount of uncertainties.On the one hand in order to improve throughput of system, the higher high order modulation of transmission rate is adopted to communicate with few redundant correcting code, when wireless fading channel signal to noise ratio is more satisfactory, throughput of system is greatly improved really like this, but then cannot ensure that when channel is in deep fade reliable communications is stably carried out, on the other hand, in order to ensure the reliability of communication, the lower low-order-modulated of transmission rate is adopted to communicate with large redundant correcting code, namely the carrying out that reliable communications is stable is ensured when wireless channel is in deep fade, but when channel SNRs is higher, because transmission rate is lower, constrain the raising of throughput of system, thus cause the waste of resource.Early stage in the development of mobile communication technology, people resist the time-varying characteristics of wireless fading channel, the transmitting power strengthening transmitter can only be adopted, use the modulation coding method of the large redundancy of low order to carry out the communication quality of safeguards system when channel deep fade, also have no time to think it over and how to improve the throughput of system.Along with the progress of technical merit, occur can regulating its transmitting power adaptively according to channel status, the frame length of modulation coding mode and data overcomes the time-varying characteristics of channel thus the technology of acquisition optimal communication effect, be called as adaptive coding modulation, belong to most typical link adaptation techniques.
In Long Term Evolution (LTE:Long Term Evolution) system, for realizing adaptive coding modulation, up needs transmission comprises the control signal of channel condition information (CSI:Channel State Information).CSI comprises channel quality instruction (CQI:Channel quality indication), pre-coding matrix instruction (PMI:Pre-coding Matrix Indicator) and order instruction (RI:RankIndicator).CSI reflects down physical channel state.Base station utilizes CSI to carry out descending scheduling, carries out the coded modulation of data.The feedback of CSI can be periodic, also can be acyclic.
CQI is used to the index weighing down channel quality quality.In 36-213 agreement CQI with 0 ~ 15 integer value represent, represent different CQI grades respectively, different CQI correspond to respective Modulation and Coding Scheme (MCS:Modulation and Coding Scheme), in table 1.CQI grade selected by terminal (UE:User Equiment), should make the Physical Downlink Shared Channel corresponding to this CQI (PDSCH:Physical Downlink Shared Channel) transmission block (TB:Transport Block) Block Error Rate under corresponding MCS be no more than 0.1.
Table 1
QAM(Quadrature Amplitude Modulation in upper table 1) represent quadrature amplitude modulation, QPSK(Quadrature Phase Shift Keying) represent Quadrature Phase Shift Keying, be a kind of digital modulation mode.
In LTE, except differential CQI, CQI 4 bits represent.CQI bit is included in ascending control information (UCI:Uplink Control Information) and reports.Base station is dispatched in conjunction with the CQI of terminal to report, and determines descending MCS index and resource allocation information.Specifically, the LTE protocol of Rel-8 defines a modulation and transmission block size form (Modulation and TBS indextable, hereinafter also referred to MCS Table, MCS table).Form has 32 grades, substantially the corresponding MCS index of each grade, and each MCS index corresponding a kind of MCS(or a kind of spectrum efficiency in essence, notice that this MCS is not limited to the MCS of table 1).And resource allocation information gives the Physical Resource Block number NPRB that downlink transfer needs to take.LTE standard additionally provides a TBS form.According to described form, after given MCS index and NPRB, transmission block size (TBS:Transport block size) just can be obtained.There is these Coded modulation parameters (MCS/NPRB/TBS) base station just can carry out the coded modulation of downlink data, carried out downlink transfer.
After terminal receives the data of downlink transfer, need to obtain the MCS index of downlink transfer and the TBS demodulating and decoding for data.Base station is by Physical Downlink Control Channel (PDCCH:Physical DownlinkControl Channel), Downlink Control Information is sent with specific Downlink Control Information (DCI:Downlink ControlInformation) form (DCI format), comprise the MCS index of 5 bits, and resource distribution location.Terminal obtains TBS according to TBS form after obtaining Downlink Control Information, and for demodulating and decoding.DCI format comprises following multiple: DCI format0, DCI format1, DCIformat1A, DCI format1B, DCI format1C, DCI format1D, DCI format2, DCI format2A, DCI format2B, DCI format2C, DCI format2D, DCI format3 and DCI format3A etc.
LTE system, after experienced by the several version of Rel-8/9/10/11, studies R12 technology again successively.In existing Rel-11 standard, the modulation coding mode of uplink and downlink the highest support 64QAM.Along with the development of heterogeneous network, small-cell (small cell) needs the system spectral efficiency of higher message transmission rate and Geng Gao, requires to introduce more high order modulation coded system, such as 256QAM.Existing standard cannot meet this demand.Such as, the conventional form of existing LTE standard, namely CQI table/MCS table/TBS shows the highest support modulation coding mode of 64QAM and the spectrum efficiency of about 5.5547 bits/s/Hz.
Show for LTE system above, conventional form (i.e. existing CQI table, MCS shows, and TBS shows) cannot support more high-order modulating.Introduce high-order modulating in existing communication system, after such as 256QAM, 1024QAM, need design to support the enhancing form of high-order modulating (new CQI table, MCS shows, and TBS shows).Have two kinds of designs: the enhancing table size comprising high-order modulating MCS grade that scheme one designs is equal with conventional table size, such as, for LTE system, new CQI table and MCS table are respectively 16 and 32 grades; The enhancing table size comprising high-order modulating MCS grade that scheme two designs is greater than conventional form, and such as, for LTE system, new CQI table and MCS table are respectively 32 and 64 grades.Form is larger, and the range of spectral efficiencies that can cover is larger, or obtains higher spectrum efficiency granularity; But the required bit number for representing this form is also more.In order to the pluses and minuses of simple declaration two schemes, below LTE system introduce new CQI table after 256QAM be designed to example.For scheme one, the range of spectral efficiencies that new CQI table covers and spectrum efficiency granularity (spectrum efficiency granularity is corresponding the precision of channel state feedback) are conflicts.That is, the reduction that large range of spectral efficiencies must cause spectrum efficiency granularity be covered; Maintain existing spectrum efficiency granularity must cause strengthening form and cannot cover the range of spectral efficiencies that minimal frequency efficiency in conventional form (table 1) and the highest spectrum efficiency of 256QAM limit.But scheme one does not affect CQI bit number, the load of UCI payload(ascending control information can not be caused) increase, the UCI demodulation performance decline problem that the increase of CQI bit may bring need not be considered.For scheme two, new CQI table/MCS shows the range of spectral efficiencies that the minimal frequency efficiency that can cover completely when not affecting spectrum efficiency granularity in existing form and the highest spectrum efficiency of 256QAM limit, but increase CQI bit number, need the problem considering that UCI payload increases and UCI demodulation performance declines.Similarly, also there is similar problem in the scheme of new MCS table.
The conventional form of current communication system cannot support more high-order modulating, does not also solve the configuration use problem that concrete high-order modulating strengthens form and conventional form.Therefore, current communication system cannot support more high-order modulating.Relatively good at channel condition, may to apply more high-order modulating scene, in such as small-cell (Small Cell) scene, limits the lifting of data transmission peak rate and system spectral efficiency.
Summary of the invention
The invention provides a kind of high-order coded modulation processing method, device and system, solve the problem that existing communication system cannot support more high-order modulating.
A kind of high-order coded modulation processing method, comprising:
Base station sends configuration signal to terminal, described configuration signal shows that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system, M >=256 and be positive integer.
Preferably, the method also comprise following one of at least:
Described base station is on other resource collections removing predefined resource collection, and/or to except other signalings of terminal configuration under other transmission meanss of predefine transmission means, the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in the instruction of described other configuration signals.
Preferably, described predefined resource collection, comprise following one of at least:
Predefined sub-frame set, predefined frequency domain resource set, the set of predefined uplink/downlink antenna port, predefined transport layer manifold is closed.
Preferably, described predefined sub-frame set, comprise following one of at least:
The sub-frame set of base station configuration, fixing sub-frame set.
Preferably, the sub-frame set of described base station configuration comprise following one of at least:
Sub-frame set 0(subframe set0), sub-frame set 1(subframe set1), MBSFN sub-frame, for eIMTA, by System information block 1(SIB1) the descending sub frame set that configures, the DL sub-frame set switched by UL subframe in TDD DL subframe in eIMTA, the backhaul sub-frame set in Relay scene, Access sub-frame set in Relay scene, the D2D sub-frame set in D2D communication.
Preferably, described fixing sub-frame set, comprise following one of at least:
By subframe numbers n=0,1 ..., one or more sub-frame set formed of the subframe of 9 correspondences,
General subframe in tdd frame structure,
In tdd frame structure, special subframe configuration 0,1 ..., the DwPTS of one or more configurations in 9.
Preferably, described method also comprise following one of at least:
For sub-frame set 0 and sub-frame set 1, base station respectively option and installment is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system;
For sub-frame set 0, base station selected configuration is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system; For sub-frame set 1, the conventional form of M rank modulation system is not supported in base station selected configuration;
For sub-frame set 1, base station selected configuration is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system; For sub-frame set 0, the conventional form of M rank modulation system is not supported in base station selected configuration;
For the backhaul sub-frame set in Relay scene and Access sub-frame set, base station respectively option and installment is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system;
For the DL sub-frame set switched by UL subframe in TDD DL subframe in eIMTA with by System information block 1(SIB1) the descending sub frame set of message arrangement, base station respectively option and installment is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system.
Preferably, described predefined frequency domain resource set, to comprise in frequency spectrum resource not by X2 signaling indicate may by the resource of adjacent base station height interference.
Preferably, may by the frequency resource of adjacent base station height interference for what indicated by X2 signaling, the conventional form of M rank modulation system is not supported in described base station selected configuration;
For other frequency resources except the frequency resource may disturbed by adjacent base station height, described base station selected configuration is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system.
Preferably, the subset of described predefined uplink/downlink antenna port set comprise following one of at least:
{ antenna port 5 }, { antenna port 7 to 7+p }, { antenna port 8+p to 14 }, { antenna port 0 to 3 }, wherein, p is positive integer, and 0≤p≤6.
Preferably, described predefined transport layer manifold is combined into the set of all positive integers of satisfied 1≤rank≤L, and wherein, rank is the element of the transmission number of plies, i.e. described transport layer manifold conjunction, the maximum transmitted number of plies that L supports for M rank modulation system, and L is positive integer.
Preferably, described predefined transmission means, comprise following one of at least:
Spatial multiplexing transmission mode;
Non-space multiplexing transmission mode, at least comprises one of following:
Transmit diversity transmission means, single antenna port transmission mode;
Based on the transmission means of DMRS;
Based on the transmission means of CRS.
Preferably, base station to terminal send configuration signal step after, also comprise:
Described base station receives the channel condition information of described terminal, and described channel condition information at least comprises CQI, carries the information showing that described CQI shows based on the CQI table strengthened or conventional CQI in the UCI territory of described channel condition information.
Preferably, when base station selected be configured with the enhancing form supporting M rank modulation systems time:
For transmission number of plies rank≤L, described CQI based on the CQI table strengthened, the wherein maximum transmitted number of plies supported for M rank modulation system of L, and L is positive integer;
For rank>L, described CQI shows based on conventional CQI.
Preferably, when described base station shows by described configuration signal the enhancing form selecting support M rank modulation system, and during the CQI of terminal to report two transmission blocks, the CQI of described two transmission blocks based on the CQI table strengthened, or only has the CQI of a transmission block based on the CQI table strengthened in described two transmission blocks.
Preferably, when described base station shows by described configuration signal the enhancing form selecting to support M rank modulation systems, for periodic report CSI, the method at least comprises one of following:
When transmitting number of plies rank=1, shown based on the CQI table strengthened or conventional CQI by CQI described in the 1 bit notification base station in UCI territory during terminal to report CQI;
When transmitting number of plies rank>1, shown or conventional CQI table based on the CQI strengthened by the described CQI of 1 first and/or second transmission block in bit notification base station of second transmission block differential CQI during terminal to report CQI, described second transmission block, 2 bit differential CQI represent;
When transmitting number of plies rank>1, the PUCCH reporting types of PMI is not reported for only reporting CQI, by the 1 bit notification base station that UCI territory is newly-increased during terminal to report CQI, CQI described in first transmission block is based on the CQI table strengthened or conventional CQI table
And/or CQI described in second transmission block described in another bit notification base station of being increased newly by UCI territory of described terminal is based on the CQI table strengthened or conventional CQI table;
Terminal is by the PTI field notice base station of channel condition information, and described CQI is based on the CQI table strengthened or conventional CQI table;
When transmitting number of plies rank=1, the CQI table of described enhancing is that 5 bit CQI show, and described CQI adopts 5 bits to represent;
When transmitting number of plies rank>1, the CQI of one or two transmission block shows based on the 5 bit CQI strengthened, and the CQI of first transmission block represents with 5 bits; Second transmission block 2 bit differential CQI represents;
When transmitting number of plies rank>1, the CQI of first and second transmission block shows based on the 5 bit CQI strengthened.The CQI of two transmission blocks adopts 7 bits to combine and reports, namely 7 bits can represent 27 power kind situations in any one all indicate the one combination of two transmission block CQI;
When transmitting number of plies rank>1, the PUCCH reporting types of PMI is not reported for only reporting CQI, the CQI of first and second transmission block shows based on the 5 bit CQI strengthened, the CQI of first transmission block represents with 5 bits, and the CQI of second transmission block represents by 4 bit differential CQI;
Terminal is by the PTI field notice base station of channel condition information, set A during described CQI shows based on the 5 bit CQI strengthened and B, grade during the 5 bit CQI that the element of described set A or B carrys out self-reinforcing show, A and B mutual exclusion, and A's and B and be namely that 5 bit CQI of whole enhancing show.
Preferably, when described base station shows by configuration signal the enhancing form selecting to support M rank modulation systems, report CSI for aperiodic, the method at least comprises one of following:
Newly-increased 1 bit is used for informing base station, and broadband CQI is based on the CQI table strengthened or conventional CQI table;
Newly-increased 1 bit is used for informing base station, and subband CQI is based on the CQI table strengthened or conventional CQI table;
Broadband CQI shows based on the 5 bit CQI strengthened, and adopts 5 bits to represent;
Subband CQI show based on the 5 bit CQI strengthened, and employing x bit represents, described x >=3 and be positive integer;
Preferably, base station on predefined resource collection, and/or also comprises after the step of the terminal configuration signaling under predefine transmission means:
Described base station sends descending control signaling to described terminal, and described descending control signaling at least comprises modulation and coded system territory (I mCS), notify I described in described terminal by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data instruction (New data indicator) territory, PQI, redundancy versions territory, TPC command.
Preferably, it is characterized in that, when the enhancing form supporting M rank modulation system is selected in base station configuration, for transmission number of plies rank≤L, described I mCSbased on the MCS table strengthened, the wherein maximum transmitted number of plies supported for M rank modulation system of L, and L is positive integer; For rank>L, described I mCSshow based on conventional MCS.
Preferably, when base station shows by described configuration signal the enhancing form selecting to support M rank modulation systems, the method also at least comprises one of following:
For the downlink transfer of two transmission blocks, the I of two transmission blocks mCSall based on the MCS table strengthened;
For the downlink transfer of two transmission blocks, the I of a transmission block mCSbased on the MCS table strengthened, the I of another transmission block mCSshow based on conventional MCS;
For the downlink transfer of single transmission block, the I of this transmission block mCSshow based on the MCS table strengthened or conventional MCS.
Preferably, when described base station shows according to described configuration signal the enhancing form selecting to support M rank modulation systems, the method also at least comprises one of following:
When DCI format is DCI format2 or 2X, during transmission number of plies rank=1, described base station notifies I described in described terminal by second transmission block new data instructions field mCSbased on the MCS table strengthened or conventional MCS table;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, described base station is by I described in terminal i-th transmission block described in 1 bit notification in i-th transmission block modulation and coded system territory and/or another transmission block mCSbased on the MCS table strengthened or conventional MCS table, the modulation of i-th transmission block and coded system territory remain 4 bits as the difference I relative to another transmission block mCS, i.e. the I of i-th transmission block mCSwith the I of another transmission block mCSwith difference I mCSsummation obtains; I=2 or 1;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, described base station is by I described in terminal i-th transmission block described in 1 bit notification in i-th transmission block redundancy versions territory or two transmission blocks mCSbased on the MCS table strengthened or conventional MCS table, in i-th transmission block redundancy versions territory, other 1 bit is used to indicate two redundancy versions, i=1 or 2;
For DCI format 2D, described base station uses I described in PQI notification terminal mCSbased on the MCS table strengthened or conventional MCS table, the high-rise MCS table that configuration instruction strengthens in the PDSCH RE mapping andQCL parameter set that existing PQI is corresponding or conventional MCS shows, or PQI is only used to indicate the MCS table of enhancing or conventional MCS table and no longer indicates PDSCH RE mappingand QCL parameter set;
Described base station uses I described in TPC command notification terminal mCSbased on the MCS table strengthened still conventional MCS table, particularly, TPC command also indicates the MCS of enhancing to show while instruction TPC or conventional MCS shows;
When DCI format is DCI format2 or 2X, during transmission number of plies rank=1, the I of single transmission block mCSshow based on the 6 bit MCS strengthened, and represent with 6 bits, this 6 bit indicates 5 bits in 1 bit in (New data indicator) territory and first transmission block modulation and coded system territory to form by second transmission block new data;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, the I of i-th transmission block mCSshow based on the 6 bit MCS strengthened, and represent with 6 bits, this 6 bit is modulated by another transmission block and in coded system territory, 5 bits in 1 bit and i-th transmission block modulation and coded system territory form, and the modulation of another transmission block and coded system territory remain 4 bits as the difference I relative to i-th transmission block mCS, i.e. the I of another transmission block mCSwith the I of i-th transmission block mCSwith difference I mCSsummation obtains;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, the I of first and second transmission block mCSall show based on the 6 bit MCS strengthened, the I of two transmission blocks mCSadopt 10 bits to combine to report, namely 10 bits can represent 2 10 power kind situations in any one all indicate two transmission block I mCSone combination;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, the I of i-th transmission block mCSshow based on the 6 bit MCS strengthened, and represent with 6 bits, this 6 bit is made up of 5 bits in 1 bit combined modulation and coded system territory in i-th transmission block redundancy versions territory, and in i-th transmission block redundancy versions territory, other 1 bit is used to indicate two redundancy versions, i=1 or 2;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, the I of two transmission blocks mCSall show based on the 6 bit MCS strengthened, and represent with 6 bits, for two transmission blocks, this 6 bit is all made up of 5 bits in 1 bit combined modulation and coded system territory in i-th transmission block redundancy versions territory, and in i-th transmission block redundancy versions territory, other 1 bit is used to indicate two redundancy versions; I=1 or 2;
For DCI format 2D, use PQI notification terminal, described I mCSset A in showing based on the 6 bit MCS strengthened or B, the grade during the 6 bit MCS that the element of described set A or B carrys out self-reinforcing show, A and B mutual exclusion, and A's and B and be namely that 6 bit MCS of whole enhancing show.In the PDSCH RE mapping and QCL parameter set that existing PQI is corresponding, configure instruction set A or B by high level, or PQI is only used to indicate set A or B and no longer indicates PDSCHRE mapping and QCL parameter set;
Use I described in TPC command notification terminal mCSset A in showing based on the 6 bit MCS strengthened or B, grade during the 6 bit MCS that the element of described set A or B carrys out self-reinforcing show, A and B mutual exclusion, and A's and B and be namely that 6 bit MCS of whole enhancing show, particularly, TPC command also indicates set A or B while instruction TPC;
The described I when using pre-configured C-RNTI to carry out scrambling to the CRC of PDCCH mCSbased on the MCS table strengthened, when use pre-configured C-RNTI add deduct j scrambling carried out to the CRC of PDCCH time described I mCSmCS based on routine shows, and wherein, j is positive integer;
When using pre-configured C-RNTI to carry out scrambling to the CRC of PDCCH, described I mCSmCS based on routine shows; When use pre-configured C-RNTI add deduct j scrambling is carried out to the CRC of PDCCH time, described I mCSbased on the MCS table strengthened.
Present invention also offers a kind of high-order coded modulation processing method, comprising:
Terminal downlink data receiving, obtain the configuration signal that base station sends, described configuration signal shows to select to support that the enhancing form of M rank modulation systems or instruction select not support the conventional form of M rank modulation system on predefined resource collection and/or under predefined transmission means, M >=256 and be positive integer.
Preferably, terminal downlink data receiving, obtains base station on predefined resource collection, and/or also comprises to after the step of the signaling of terminal configuration for predefined transmission means:
Described terminal is to described base station transmitting channel state information, and described channel condition information at least comprises CQI, and described terminal is shown based on the CQI table strengthened or conventional CQI by CQI described in the UCI field notice base station of channel condition information.
Preferably, terminal downlink data receiving, also comprises after obtaining the step of the configuration signal that base station sends:
Described terminal receives the descending control signaling that described base station sends, and described descending control signaling at least comprises I mCS, described terminal learns described I by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data instructions field, PQI, redundancy versions territory, TPC command.
Present invention also offers a kind of high-order coded modulation processing unit, this device comprises:
First configuration module, for sending configuration signal to terminal, described configuration signal shows that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system, M >=256 and be positive integer.
Preferably, this device also comprises:
Second configuration module, for except other resource collections of predefined resource collection, and/or to except other signalings of terminal configuration under other transmission meanss of predefine transmission means, the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in the instruction of described other configuration signals.
Preferably, this device also comprises:
Channel condition information receiver module, for receiving the channel condition information of described terminal, described channel condition information at least comprises CQI, carries the information showing that described CQI shows based on the CQI table strengthened or conventional CQI in the UCI territory of described channel condition information.
Preferably, this device also comprises:
Control signal issues module, and for sending descending control signaling to described terminal, described descending control signaling at least comprises I mCS, notify I described in described terminal by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data indicator territory, PQI, redundancy versions territory, TPC command.
Present invention also offers a kind of high-order coded modulation processing unit, comprising:
Configuration signal acquisition module, for downlink data receiving, obtain the configuration signal that base station sends, described configuration signal shows to select to support that the enhancing form of M rank modulation systems or instruction select not support the conventional form of M rank modulation system on predefined resource collection and/or under predefined transmission means, M >=256 and be positive integer.
Preferably, this device also comprises:
Channel condition information sending module, for described base station transmitting channel state information, described channel condition information at least comprises CQI, is shown based on the CQI table strengthened or conventional CQI by CQI described in base station described in the UCI field notice of described channel condition information.
Preferably, this device also comprises:
Control signal receiver module, for receiving the descending control signaling that described base station sends, described descending control signaling at least comprises I mCS, learn described I by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data instructions field, PQI, redundancy versions territory, TPC command.
Present invention also offers a kind of high-order coded modulation treatment system, comprise base station and terminal;
Described base station, comprise the high-order coded modulation processing unit according to any one of claim 25 to 28, for sending configuration signal to described terminal, described configuration signal shows that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system, M >=256 and be positive integer,
Described terminal, comprises the high-order coded modulation processing unit according to any one of claim 29 to 31, for downlink data receiving, obtains the described configuration signal that described base station sends.
Preferably, described base station, also for except other resource collections of predefined resource collection, and/or to except other signalings of terminal configuration under other transmission meanss of predefine transmission means, the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in the instruction of described other configuration signals.
Preferably, described terminal, also for described base station transmitting channel state information, described channel condition information at least comprises CQI, is shown based on the CQI table strengthened or conventional CQI by CQI described in base station described in the UCI field notice of described channel condition information;
Described base station, also for receiving the channel condition information that described terminal sends.
Preferably, described base station, also for sending descending control signaling to described terminal, described descending control signaling at least comprises I mCS, notify I described in described terminal by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data indicator territory, PQI, redundancy versions territory, TPC command;
Described terminal, also for receiving described descending control signaling.
The invention provides a kind of high-order coded modulation processing method, device and system, base station sends configuration signal to terminal, described configuration signal shows that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, and described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system.By carrying the configuration signal using form relevant information to some extent, achieving the modulation treatment of base station and terminal more high-order, solving the problem that existing communication system cannot support more high-order modulating.
Accompanying drawing explanation
The flow chart of a kind of high-order coded modulation processing method that Fig. 1 provides for embodiments of the invention 22;
The structural representation of a kind of high-order coded modulation processing unit that Fig. 2 provides for embodiments of the invention 23;
The structural representation of another high-order coded modulation processing unit that Fig. 3 provides for embodiments of the invention 23.
Embodiment
The conventional form of current communication system cannot support more high-order modulating, the configuration use problem that concrete high-order modulating strengthens form and conventional form is not solved yet, such as, the enhancing table of which kind of situation configuration high-order modulating, which kind of situation uses conventional form.
In order to solve the problem, The embodiment provides a kind of high-order coded modulation processing method, device and system, base station is by sending configuration signal to terminal, show that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system, M >=256 and be positive integer.256QAM involved in embodiments of the invention newly shows new CQI and MCS and the TBS table that comprise support 256QAM; Existing protocol form comprises CQI and MCS and the TBS table of existing protocol.Hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Embodiment one to eight is the configuration embodiment of base station side.
Embodiment one: embodiments provide a kind of high-order coded modulation processing method.In this embodiment, base station configures the use that 256QAM strengthens form or conventional form on predefined resource collection.
Sub-embodiment one: in this embodiment, base station sends configuration signal to terminal, described signal deployment sub-frame set 0 and sub-frame set 1.Base station is sent high-rise configuration parameter 1(to terminal and is sent by configuration signal), this parameter selects the enhancing form supporting 256QAM modulation system in sub-frame set 0, and described enhancing form is the CQI table supporting 256QAM, MCS table and TBS table; Base station is sent high-rise configuration parameter 2(to terminal and is sent by configuration signal), this parameter selects to sub-frame set 1 the conventional form not supporting 256QAM, and described conventional form is the CQI table of LTE Rel-11 release criteria 36.213, MCS table and TBS table.The method configures the use of 256QAM form in the subframe of high Signal to Interference plus Noise Ratio, the sub-frame set of low Signal to Interference plus Noise Ratio configures the form not supporting 256QAM, thus better realizes adaptive coding and modulating, improves system spectral efficiency.
Sub-embodiment two: in this embodiment, base station sends configuration signal to terminal, described signal deployment sub-frame set 0 and sub-frame set 1.Base station sends high-rise configuration parameter (being sent by configuration signal) to terminal, and this parameter selects the enhancing form supporting 256QAM modulation system in sub-frame set 1, and described enhancing form is CQI table and the MCS table of supporting 256QAM; Base station is not to sub-frame set 0 configuration parameter, and sub-frame set 0 selects the conventional form not supporting 256QAM, and described conventional form is CQI table and the MCS table of LTE Rel-11 release criteria 36.213.The method configures the use of 256QAM in the subframe of high Signal to Interference plus Noise Ratio, the sub-frame set of low Signal to Interference plus Noise Ratio configures the form not supporting 256QAM, thus better realizes adaptive coding and modulating, improves system spectral efficiency.
Sub-embodiment three: in this embodiment, base station sends configuration signal to terminal, described signal deployment sub-frame set 0 and sub-frame set 1.Base station is sent high-rise configuration parameter 1(to terminal and is sent by configuration signal), this parameter selects to sub-frame set 0 the enhancing form supporting 256QAM modulation system, and described enhancing form is the CQI table supporting 256QAM; Base station is not to sub-frame set 1 configuration parameter, and sub-frame set 1 selects the conventional form not supporting 256QAM, and described conventional form is the CQI table of LTE Rel-11 release protocol 36.213.The method configures the use of 256QAM in the subframe of high Signal to Interference plus Noise Ratio, the sub-frame set of low Signal to Interference plus Noise Ratio configures the form not supporting 256QAM, thus better realizes adaptive coding and modulating, improves system spectral efficiency.
Sub-embodiment four: in this embodiment, base station sends configuration signal to terminal, described signal deployment sub-frame set 0 and sub-frame set 1.Base station sends high-rise configuration parameter 1 to terminal and parameter 2(is sent by configuration signal), in sub-frame set 0 and sub-frame set 1, select the enhancing form supporting 256QAM modulation system respectively, described enhancing form is the MCS table supporting 256QAM.The method configures the use of 256QAM in the subframe of high Signal to Interference plus Noise Ratio, the sub-frame set of low Signal to Interference plus Noise Ratio configures the form not supporting 256QAM, thus better realizes adaptive coding and modulating, improves system spectral efficiency.
Sub-embodiment five: this embodiment supposes following scene: between Donor eNodeB and Relay node, In-band disposes.When communicating between Donor eNodeB and Relay node, the enhancing form supporting 256QAM is selected for backhaul link subframe.The method utilizes possible high Signal to Interference plus Noise Ratio environment configurations to use 256QAM.
Embodiment two: embodiments provide a kind of high-order coded modulation processing method.In this embodiment, relative arrowband transmitted power (RNTP) signaling that base station is sent by X2 interface reception of neighboring cell.According to RNTP, the conventional form of 256QAM is not supported in base station being disturbed option and installment in larger frequency domain resource, and in the frequency domain resource that interference is less, option and installment supports the enhancing form of 256QAM.The method configures the use of 256QAM in the frequency domain resource of high Signal to Interference plus Noise Ratio, the frequency domain resource of low Signal to Interference plus Noise Ratio configures the form not supporting 256QAM, thus better realizes adaptive coding and modulating, improves system spectral efficiency.
Embodiment three: embodiments provide a kind of high-order coded modulation processing method.In this embodiment, the enhancing form of 256QAM is supported for the configuration of predetermined antenna port or does not support the conventional form of 256QAM.
Sub-embodiment one: in this embodiment, base station is at antenna port 5, on 7-14, configuration is supported the enhancing form of 256QAM or does not support on other antenna ports, to configure the conventional form not supporting 256QAM by the conventional form of 256QAM.The program is supported the enhancing form of 256QAM to the downlink transfer configuration based on DMRS or is not supported the conventional form of 256QAM.
Sub-embodiment two: this embodiment is to antenna port 0-3,5, and 7-14 configurations are supported the enhancing form of 256QAM or do not supported the conventional form of 256QAM.
Embodiment four: embodiments provide a kind of high-order coded modulation processing method.In this embodiment, base station is supported the enhancing form of 256QAM for predetermined transport layer number set configuration or is not supported the conventional form of 256QAM.
Sub-embodiment one: in this embodiment, base station is sent high-rise configuration parameter (being sent by configuration signal) and selects support the enhancing form of 256QAM or do not support the conventional form of 256QAM.When transmitting number of plies rank≤2, modulation and coded system territory and/or report CQI based on configure the enhancing form of support 256QAM or do not support the conventional form of 256QAM; Modulation and coded system territory and/or report CQI based on the conventional form not supporting 256QAM as rank>2.The rank being greater than 2 does not use 256QAM, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is too large when rank is greater than 2.
Sub-embodiment two: in this embodiment, base station is sent high-rise configuration parameter (being sent by configuration signal) and selects support the enhancing form of 256QAM or do not support the conventional form of 256QAM.When transmitting number of plies rank≤4, modulation and coded system territory and/or report CQI based on configure the enhancing form of support 256QAM or do not support the conventional form of 256QAM; Modulation and coded system territory and/or report CQI based on the conventional form not supporting 256QAM as rank>4.Not using 256QAM to the rank being greater than 4, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is too large when rank is greater than 4.
Sub-embodiment three: in this embodiment, base station is sent high-rise configuration parameter (being sent by configuration signal) and selects support the enhancing form of 256QAM or do not support the conventional form of 256QAM.When transmitting number of plies rank≤6, modulation and coded system territory and/or report CQI based on configure the enhancing form of support 256QAM or do not support the conventional form of 256QAM; Modulation and coded system territory and/or report CQI based on the conventional form not supporting 256QAM as rank>6.Not using 256QAM to the rank being greater than 6, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is too large when rank is greater than 6.
Sub-embodiment four: in this embodiment, base station is sent high-rise configuration parameter (being sent by configuration signal) and selects support the enhancing form of 256QAM or do not support the conventional form of 256QAM.When transmitting number of plies rank≤7, modulation and coded system territory and/or report CQI based on configure the enhancing form of support 256QAM or do not support the conventional form of 256QAM; Modulation and coded system territory and/or report CQI based on the conventional form not supporting 256QAM as rank>7.Not using 256QAM to the rank being greater than 7, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is too large when rank is greater than 7.
Embodiment five: embodiments provide a kind of high-order coded modulation processing method.In this embodiment, different CSI process can configure the enhancing form supporting 256QAM or the conventional form not supporting 256QAM independently by configuration signal.Support the enhancing form of 256QAM for different CSI process separate configurations or do not support that the conventional form of 256QAM is because each CSIprocess correspond to different channel conditions, for the configuration 256 QAM form that channel condition is good, and the conventional form of 256QAM is not supported in the configuration of bad channel, thus better realize adaptive coding and modulating, improve system spectral efficiency.
Embodiment six: embodiments provide a kind of high-order coded modulation processing method.In this embodiment, base station strengthens the use of form or the conventional form of existing protocol for the terminal configuration 256QAM under predetermined downlink transmission mode.
Sub-embodiment one: in this embodiment, base station configures to spatial multiplexing transmission mode the use that 256QAM strengthens form or existing protocol form by high-rise configuration parameter (being sent by configuration signal); To non-space multiplexing transmission mode not by signal deployment, non-space multiplexing transmission mode uses conventional form.The program mainly considers that usage space multiplexing transmission mode and 256QAM promote peak rate and spectrum efficiency jointly when channel condition is better.
Sub-embodiment two: in this embodiment, base station strengthens the use of form or existing protocol form to spatial reuse and the multiplexing transmission means configuration 256QAM of non-space by high-rise configuration parameter (being sent by configuration signal).The application scenarios widening 256QAM as much as possible is mainly considered in this configuration, promotes peak rate, improves throughput of system.
Sub-embodiment three: in this embodiment, base station strengthens the use of form or existing protocol form to the transmission means configuration 256QAM based on DMRS by high-rise configuration parameter (being sent by configuration signal), to non-DMRS transmission means not by signal deployment, non-DMRS transmission means uses conventional form.The program is considered to have the following advantages based on the transmission means of DMRS: disturb little between DMRS, the channel estimating based on DMRS is more accurate; For DMRS transmission means, the selection of code book is more flexible.Therefore for the transmission based on DMRS, transmission block can obtain higher signal to noise ratio, is more suitable for the use of 256QAM.And there is based on the transmission means of CRS the problem disturbed between CRS and data, affect channel estimation accuracy.
Embodiment seven: embodiments provide a kind of high-order coded modulation processing method.In this embodiment, base station is supported the enhancing form of 256QAM to predetermined downlink transfer pattern configurations or is not supported the conventional form of 256QAM.
Sub-embodiment one: in this embodiment, base station is supported the enhancing form of 256QAM by high-rise configuration parameter (being sent by configuration signal) to the transmission mode configuration except transmission mode 1/2/6 or is not supported the conventional form of 256QAM; Transmission mode 1/2/6 uses the conventional form not supporting 256QAM, and does not need to be configured by base station.This configuration is equivalent to the use only spatial reuse downlink transmission mode configuration 256QAM being strengthened to form or existing protocol form.
Sub-embodiment two: in this embodiment, base station configures the enhancing form supporting 256QAM or the conventional form not supporting 256QAM by high-rise configuration parameter (being sent by configuration signal) to transmission mode 7-10; Other transmission modes use the conventional form not supporting 256QAM, and do not need to be configured by base station.This configuration is equivalent to only the downlink transfer configuration based on DMRS is supported to the enhancing form of 256QAM or do not supported the conventional form of 256QAM.
Sub-embodiment three: this embodiment is supported the enhancing form of 256QAM by configuration signal to all transmission mode configurations or do not support the conventional form of 256QAM.The application scenarios widening 256QAM as much as possible is mainly considered in this configuration, promotes peak rate, improves throughput of system.
Embodiment eight: embodiments provide a kind of high-order coded modulation processing method.In this embodiment, base station configures the enhancing form supporting 256QAM or the conventional form not supporting 256QAM for predetermined DCI format.
Sub-embodiment one: in this embodiment, base station is supported the enhancing form of 256QAM by high-rise configuration parameter (being sent by configuration signal) to DCI format 2/2A/2B/2C/2D five kinds of format configuration or is not supported the conventional form of 256QAM; Other DCI format use the conventional form not supporting 256QAM, and are not configured by higher level parameters.Above-mentioned DCI format indicates the PDSCH transmission of MIMO type, selects 256QAM to strengthen form, can MIMO and 256QAM be used jointly to promote peak rate and spectrum efficiency in the good situation of channel condition to described DCI format.
Sub-embodiment two: in this embodiment, base station configures the enhancing form supporting 256QAM or the conventional form not supporting 256QAM by high-rise configuration parameter (being sent by configuration signal) to DCI format1/1X/2/2X; Other DCI format use the conventional form not supporting 256QAM, and are not configured by higher level parameters.Here, DCI format 1X represents the combination in any of DCI format 1A/1B/1C/1D; DCI format 2X represents the combination in any of DCI format 2A/2B/2C/2D.Above-mentioned DCI format can be used for the PDSCH transmission indicating various mode, selects 256QAM to strengthen form, can widen the application scenarios of 256QAM as much as possible, promote peak rate and spectrum efficiency, improve throughput of system to described DCI format.
Sub-embodiment three: in this embodiment, base station is supported the enhancing form of 256QAM by high-rise configuration parameter (being sent by configuration signal) to DCI format1/2B/2C/2D tetra-kinds of format configuration or is not supported the conventional form of 256QAM; Other DCI format use the conventional form not supporting 256QAM, and are not configured by higher level parameters.This configuration is equivalent to the downlink transmission mode configuration based on DMRS is supported to the enhancing form of 256QAM or do not supported the conventional form of 256QAM.
Embodiment nine to embodiment 13 is the scheduling embodiment of base station side: base station sends descending control signaling to terminal, and described descending control signaling at least comprises modulation and coded system territory (I mCS).
Embodiment nine: embodiments provide a kind of high-order coded modulation processing method.
Sub-embodiment one: in this embodiment, base station sends RRC signaling to terminal, is configured with 256QAM and strengthens form, and the maximum downstream transmission number of plies that hypothesis 256QAM can support is 6.When transmitting number of plies rank≤6, I mCSstrengthen form based on 256QAM, base station is according to I mCSwith downlink transfer resource block number N pRBthe TBS table looking into enhancing obtains the TBS of downlink transfer, utilizes TBS to carry out coded modulation, sends downlink data; As Rank>6, base station is according to I mCSwith downlink transfer resource block number N pRBlook into the TBS that conventional TBS table obtains downlink transfer, utilize TBS to carry out coded modulation, send downlink data.Not using 256QAM to the rank being greater than 6, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is comparatively large when rank is greater than 6.
Sub-embodiment two: in this embodiment, base station is passed through RRC signal deployment 256QAM and is strengthened form, and the maximum downstream transmission number of plies that hypothesis 256QAM can support is 8.Then for transmission number of plies rank≤8, I mCSstrengthen form based on 256QAM, base station is according to I mCSwith downlink transfer resource block number N pRBthe TBS table looking into enhancing obtains the TBS of downlink transfer, utilizes TBS to carry out coded modulation, sends downlink data.
Embodiment ten: embodiments provide a kind of high-order coded modulation processing method.
Sub-embodiment one: this embodiment supposes the two-layer transmission of two transmission blocks, RRC signal deployment 256QAM strengthens form.The I of two transmission blocks mCSall strengthen form based on 256QAM.The program is used for promoting spectrum efficiency when signal to noise ratio condition is better.
Sub-embodiment two: this embodiment supposes eight layers of transmission of two transmission blocks, RRC signal deployment 256QAM strengthens form.The I of first transmission block mCSform is strengthened, the I of second transmission block based on 256QAM mCSbased on conventional form; Or the I of second transmission block mCSform is strengthened, the I of first transmission block based on 256QAM mCSbased on conventional form.The program considers two transmission blocks may have different SINR, should determine whether respectively to use the form supporting 256QAM.
Sub-embodiment three: this embodiment supposes the two-layer transmission of a transmission block, RRC signaling is configured with 256QAM and strengthens form.256QAM is used to strengthen form to this transmission block.The program is used for promoting spectrum efficiency when signal to noise ratio condition is better.
Sub-embodiment four: this embodiment supposes the single layer transmission of a transmission block, RRC signaling is configured with 256QAM and strengthens form.But do not use 256QAM to strengthen form to this transmission block.The program considers that signal to noise ratio condition there is no need time poor to adopt the enhancing form supporting 256QAM.
Embodiment 11: embodiments provide a kind of high-order coded modulation processing method.
Sub-embodiment one: this embodiment hypothesis DCI format is DCI format 2D, and 256QAM form is supported by the semi-static configuration of RRC signaling in base station.PDSCH REmapping and QCL parameter set2 and set3 that high-rise configuration PQI is corresponding uses 256QAM to strengthen form.PQI notification terminal is passed through in base station, described I mCSbased on the MCS table strengthened or conventional MCS table.The I as PQI=10 or 11 mCSshow based on 256 QAM 5 bit MCS; As PQI=00 or 01, I mCSbased on the conventional form not supporting 256QAM.The program reuses the dynamic instruction that PQI bit realizes MCS table, better can realize adaptive coding and modulating; And do not increase Downlink Control Information load.
Sub-embodiment two: this embodiment hypothesis DCI format is DCI format 2 and rank=1, and 256QAM form is supported by the semi-static configuration of RRC signaling in base station.Second transmission block new data instructions field notification terminal is passed through in base station, described I mCSbased on the MCS table strengthened or conventional MCS table.When described new data instructions field equals 1, I mCSshow based on the 5 bit MCS strengthened, show based on conventional MCS when equaling 0.The program reuses the dynamic instruction that new data instructions field realizes MCS table, better can realize adaptive coding and modulating; And do not increase Downlink Control Information load.
Sub-embodiment three: this embodiment hypothesis DCI format is DCI format 2A and rank>1, and 256QAM form is supported by the semi-static configuration of RRC signaling in base station.1 bit notification terminal in the modulation of second transmission block and coded system territory is reused in base station, I described in two transmission blocks mCSshow based on the 5 bit MCS tables strengthened or conventional MCS.The modulation of second transmission block and coded system territory remain 4 bits as the difference I relative to another transmission block mCS, i.e. the I of second transmission block mCSwith the I of first transmission block mCSwith difference I mCSsummation obtains.The method realizes the dynamic instruction of MCS table under the loading condition not increasing DCI format 2/2X, better can realize adaptive coding and modulating.
Sub-embodiment four: in this embodiment, the form of 256QAM is supported by the semi-static configuration of RRC signaling in base station.Base station uses 1 bit in first code word redundancy versions territory 2 bit to be used to indicate first code word I mCSthe 5 bit MCS forms based on strengthening or conventional form; 1 bit in second code word redundancy versions territory 2 bit is used to be used to indicate second code word I mCSthe 5 bit MCS forms based on strengthening or conventional form.When 256QAM is not supported in RRC configuration, carry out the explanation in DCI territory according to existing protocol.The method realizes the dynamic instruction of MCS table under the loading condition not increasing DCI format 2/2X, better can realize adaptive coding and modulating.
Sub-embodiment five: in this embodiment, the form of 256QAM is supported by the semi-static configuration of RRC signaling in base station.Base station uses I described in TPC command notification terminal mCSshow or conventional form based on the 5 bit MCS strengthened.The method realizes the dynamic instruction of MCS table under the loading condition not increasing DCI format 2/2X, better can realize adaptive coding and modulating.
Embodiment 12: embodiments provide a kind of high-order coded modulation processing method.
Sub-embodiment one: this embodiment hypothesis DCI format is DCI format 2D, and the form of 256QAM is supported by the semi-static configuration of RRC signaling in base station.PDSCH REmapping and QCL parameter set0 and set1 that high-rise configuration PQI is corresponding uses 256QAM to strengthen form; PQI notification terminal is passed through in base station, I mCSbased on front 32 or rear 32 grades that 256QAM6 bit MCS shows.The I as PQI=00 or 01 mCSbased on front 32 grades that 256QAM6 bit MCS shows; As PQI=10 or 11, I mCSbased on rear 32 grades that 256QAM6 bit MCS shows.The program reuses the instruction that PQI bit realizes 6 bit MCS tables, and the code check granularity that 5 bit MCS tables have more refinement compared by this table, better can realize adaptive coding and modulating; And do not increase Downlink Control Information load.
Sub-embodiment two: this embodiment hypothesis DCI format is DCI format 2 and rank=1, and 256QAM form is supported by the semi-static configuration of RRC signaling in base station.Base station uses 1 bit in the new data instructions field of second transmission block to indicate the MCS of the support 256QAM of 6 bits to strengthen form in conjunction with 5 bit modulation of first transmission block and coded system territory.The method configures the new MCS table of 6 bits, and the code check granularity that 5 bit MCS tables have more refinement compared by this table, better can realize adaptive coding and modulating; And do not increase the load of DCI format 2/2X.
Sub-embodiment three: this embodiment hypothesis DCI format is DCI format 2A and rank>1, and 256QAM form is supported by the semi-static configuration of RRC signaling in base station.1 bit in the modulation of second transmission block and coded system territory indicates the support 256QAM of 6 bits new MCS table in conjunction with 5 bit modulation of first transmission block and coded system territory is reused in base station, remains the difference I of 4 bits instructions relative to first transmission block in the modulation of second transmission block and coded system territory mCS, i.e. the I of two transmission blocks mCSwith the I of first transmission block mCSwith difference I mCSsummation obtains, the I of second transmission block mCSnew MCS based on 6 bits or 5 bits shows.The method configures the MCS table of 6 bits under the loading condition not increasing DCI format 2/2X, and the code check granularity that 5 bit MCS tables have more refinement compared by this table, better can realize adaptive coding and modulating.
Sub-embodiment four: this embodiment hypothesis DCI format is DCI format 2 and rank>1.256QAM form is supported by the semi-static configuration of RRC signaling in base station.The I of first and second transmission block mCSall show based on the 6 bit MCS strengthened.The I of two transmission blocks mCSadopt 10 bits to combine to report, namely 10 bits can represent 2 10 power kind situations in any one all indicate two transmission block I mCSone combination.The method configures the MCS table of 6 bits under the loading condition not increasing DCI format 2/2X, and the code check granularity that 5 bit MCS tables have more refinement compared by this table, better can realize adaptive coding and modulating.
Sub-embodiment five: this embodiment is when 256QAM form is supported in the semi-static configuration of RRC signaling, reuse the redundancy versions territory in DCI: the modulation of first code word and coded system territory 5 bit 1 bit of combining in this code word redundancy versions territory 2 bit is used to indicate 6 bit MCS and shows, the MCS of first code word is based on the new MCS table of 6 bit; 1 bit that the modulation of second code word and coded system territory 5 bit combine this code word redundancy versions territory indicates 6 bit MCS to show, and the MCS of second code word is based on the new MCS table of 6 bit.Another bit of redundancy versions territory is used to refer to retransmission version 0 or 2.When 256QAM is not supported in RRC configuration, carry out the explanation in DCI territory according to existing protocol.The method configures the MCS table of 6 bits under the loading condition not increasing DCI format 2/2X, and the code check granularity that 5 bit MCS tables have more refinement compared by this table, better can realize adaptive coding and modulating.
Sub-embodiment six: this embodiment is when 256QAM form is supported in the semi-static configuration of RRC signaling, reuse the redundancy versions territory in DCI: the modulation of first code word and coded system territory 5 bit 1 bit of combining in this code word redundancy versions territory 2 bit is used to indicate 6 bit MCS and shows, the MCS of first code word is based on the new MCS table of 6 bit; The aforementioned bit that the modulation of second code word and coded system territory 5 bit combine first code word redundancy versions territory indicates 6 bit MCS to show, and the MCS of second code word is based on the new MCS table of 6 bit.First another bit of code word redundancy versions territory is used to refer to retransmission version 0 or 2.When 256QAM is not supported in RRC configuration, carry out the explanation in DCI territory according to existing protocol.The method configures the MCS table of 6 bits under the loading condition not increasing DCI format 2/2X, and the code check granularity that 5 bit MCS tables have more refinement compared by this table, better can realize adaptive coding and modulating.
Sub-embodiment seven: this embodiment, when 256QAM form is supported in the semi-static configuration of RRC signaling, uses I described in TPC command notification terminal mCSfront 32 or rear 32 grades in showing based on the 6 bit MCS strengthened.The program realizes the instruction that 6 bit MCS show when not increasing Downlink Control Information load, the code check granularity that 5 bit MCS tables have more refinement compared by this table, better can realize adaptive coding and modulating.
Sub-embodiment 13: embodiments provide a kind of high-order coded modulation processing method.
Sub-embodiment one: in this embodiment, base station sends RRC signaling to terminal, is configured with 256QAM and strengthens form, and the maximum downstream transmission number of plies that hypothesis 256QAM can support is 6.When transmitting number of plies rank≤6, described CQI strengthens form based on 256QAM; As Rank>6 based on conventional form.Not using 256QAM to the rank being greater than 6, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is comparatively large when rank is greater than 6.
Sub-embodiment two: in this embodiment, base station sends RRC signaling to terminal, is configured with 256QAM and strengthens form, and the maximum downstream transmission number of plies that hypothesis 256QAM can support is 4.When transmitting number of plies rank≤4, described CQI strengthens form based on 256QAM; As Rank>4 based on conventional form.Not using 256QAM to the rank being greater than 4, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is comparatively large when rank is greater than 4.
Embodiment ten four to ten seven is the feedback embodiments of base station side: the channel condition information of base station receiving terminal, and described channel condition information at least comprises CQI.
Embodiment 14: embodiments provide a kind of high-order coded modulation processing method.The present embodiment is for periodic report CSI.
Sub-embodiment one: this embodiment hypothesis RRC signaling is configured with 256QAM, and rank=1, for periodic report UCI, terminal is by newly-increased 1 bit notification base station, UCI territory, and described CQI is based on the CQI table strengthened or conventional CQI table.When this bit equals 0, described CQI shows based on conventional 4 bit CQI, based on supporting that 4 bits of 256QAM strengthen CQI table when equaling 1.The program realizes the dynamic instruction of CQI table, can indicating channel situation better, for base station scheduling 256QAM provides reference; And do not affect the demodulation performance of UCI.
Sub-embodiment two: this embodiment hypothesis RRC signaling is configured with 256QAM, and rank=2, for periodic report UCI, use 1 bit notification base station of second transmission block differential CQI, described CQI is based on the CQI table strengthened or conventional CQI table.When this bit equals 0, described CQI shows based on conventional 4 bit CQI, based on supporting that 4 bits of 256QAM strengthen CQI table when equaling 1.And second transmission block 2 bit differential CQI represents.The program realizes the dynamic instruction of CQI table, can indicating channel situation better, for base station scheduling 256QAM provides reference; And do not increase UCI load, do not affect UCI demodulation performance.
Sub-embodiment three: in this embodiment, RRC signaling is configured with 256QAM, supposes rank=4, and terminal is by adopting PUCCH reporting type1 (PUCCH Report Type 1) feedback subband CQI.Newly-increased 1 bit notification base station during terminal to report CQI, the described CQI of two transmission blocks is based on the CQI table strengthened or conventional CQI table.When this bit equals 0, described CQI shows based on conventional 4 bit CQI, based on supporting that 4 bits of 256QAM strengthen CQI table when equaling 1.The program realizes the dynamic instruction of CQI table, can indicating channel situation better, for base station scheduling 256QAM provides reference; And do not affect UCI demodulation performance.
Sub-embodiment four: suppose in this embodiment that downlink transfer pattern 10 configures 8 antenna transmission and RRCsignaling is configured with 256QAM.Terminal uses PTI dynamically to indicate and supports that the CQI of 256QAM table or conventional CQI show.The new CQI table using 256QAM4 bit is represented during PTI=0; The CQI table using existing protocol is represented during PTI=1.Realize dynamically instruction, make feedback more flexible.
Embodiment 15: embodiments provide a kind of high-order coded modulation processing method.The present embodiment is for periodic report CSI.
Sub-embodiment one: this embodiment hypothesis RRC signaling is configured with 256QAM, and rank=1.The 5 bit CQI being support 256QAM for periodic report UCI, CQI table show, and CQI adopts 5 bits to report.Configure 5 bit CQI for rank=1 show and use 5 bits to report CQI, can indicating channel situation better, for base station scheduling 256QAM provides reference.
Sub-embodiment two: this embodiment hypothesis RRC signaling is configured with 256QAM, and rank>1.For periodic report UCI, the CQI of first code word shows based on 5 bit CQI, adopts 5 bits to report, and second code word CQI is based on the new CQI table of 5 bits or 4 bits of supporting 256QAM, or existing protocol CQI shows, and uses 2 bit differential CQI to report.The program adopts 5 bit CQI tables to make CQI have the code check granularity of more refinement, and indicating channel situation better, for base station scheduling 256QAM provides reference; And do not increase UCI load.
Sub-embodiment three: in this embodiment, RRC signaling is configured with 256QAM, supposes rank=4, and terminal is by adopting PUCCH reporting type1(PUCCH Report Type 1) feedback subband CQI.The CQI of first and second transmission block shows based on the 5 bit CQI strengthened.The CQI of first transmission block represents with 5 bits, and the CQI of second transmission block represents by 4 bit differential CQI.The program increases 2 bits newly and supports that 5 bit CQI of two code words report respectively, and adopt 5 bit CQI tables to make CQI have the code check granularity of more refinement, indicating channel situation better, for base station scheduling 256QAM provides reference; And do not affect UCI demodulation performance.
Sub-embodiment four: in this embodiment, RRC signaling is configured with 256QAM, supposes rank=2.The CQI of first and second transmission block shows based on the 5 bit CQI strengthened.The CQI of first transmission block and second transmission block represents with 7 bits, namely 7 bits can represent 27 power kind situations in any one all indicate the one combination of two transmission block CQI.Adopt 5 bit CQI tables to make CQI have the code check granularity of more refinement, indicating channel situation better, for base station scheduling 256QAM provides reference; And do not increase UCI load, do not affect UCI demodulation performance.
Sub-embodiment five: suppose in this embodiment that downlink transfer pattern 10 configures 8 antenna transmission and RRCsignaling is configured with 256QAM.Terminal uses PTI informing base station, and described CQI is based on supporting front 16 or rear 16 grades that the 5 bit CQI of 256QAM show.Front 16 grades using the 5 bit CQI of 256QAM to show are represented during PTI=0; Represent during PTI=1 and use rear 16 grades.The program adopts 5 bit CQI tables to make CQI have the code check granularity of more refinement, and indicating channel situation better, for base station scheduling 256QAM provides reference; And do not increase UCI load.
Embodiment 16: embodiments provide a kind of high-order coded modulation processing method.
Sub-embodiment one: this embodiment hypothesis RRC signaling is configured with 256QAM.Report UCI for aperiodic, the CQI table of broadband CQI is support that the 5 bit CQI of 256QAM show, and CQI adopts 5 bits to report; The CQI table of subband CQI is support that the 5 bit CQI of 256QAM show, and CQI adopts 3 bits to report.The program is considered and to be reported for CQI aperiodic, and uplink time/frequency source is so not rare, the CQI of 5 bits can be used to show and add 1 bit to report CQI, indicating channel situation better, for base station scheduling 256QAM provides reference.
Embodiment 17: embodiments provide a kind of high-order coded modulation processing method.
Sub-embodiment one: this embodiment supposes the two-layer transmission of two transmission blocks, RRC signal deployment 256QAM is passed through in base station.The CQI of two transmission blocks reports based on the form supporting 256QAM.The program be used for signal to noise ratio condition better time indicating channel situation better, for base station scheduling 256QAM provides reference.
Sub-embodiment two: this embodiment supposes eight layers of transmission of two transmission blocks, RRC signal deployment 256QAM is passed through in base station.The CQI of first transmission block is based on the new CQI form supporting 256QAM, and second transmission block is based on the CQI form of existing protocol; Or the CQI of first transmission block is based on existing protocol CQI form, second transmission block is based on the new CQI form supporting 256QAM.The program considers two code words may have different SINR, and differing to establish a capital needs to use the form supporting 256QAM.
Embodiment ten eight to two 11 is end side embodiment.
Embodiment 18: embodiments provide a kind of high-order coded modulation processing method.
Sub-embodiment one: in this embodiment, terminal receives the configuration signal that base station sends, described signal deployment sub-frame set 0 and sub-frame set 1.Terminal receives the high-rise configuration parameter 1 that base station sends, and this parameter selects the enhancing form supporting 256QAM modulation system in sub-frame set 0, and described enhancing form is the CQI table supporting 256QAM, MCS table and TBS table; Terminal receives the high-rise configuration parameter 2 that base station sends, and this parameter selects to sub-frame set 1 the conventional form not supporting 256QAM, and described conventional form is the CQI table of LTE Rel-11 release criteria 36.213, MCS table and TBS table.The I that terminal receives in sub-frame set 0 mCSbased on the enhancing form of base station configuration, the enhancing form that the CQI of the sub-frame set 0 of feedback configures based on base station; At the I that sub-frame set 1 receives mCSbased on the conventional form of base station configuration, the conventional form that the CQI of the sub-frame set 1 of feedback configures based on base station.The method configures the use of 256QAM form in the subframe of high Signal to Interference plus Noise Ratio, the sub-frame set of low Signal to Interference plus Noise Ratio configures the form not supporting 256QAM, thus better realizes adaptive coding and modulating, improves system spectral efficiency.
Sub-embodiment two: in this embodiment, terminal receives the configuration signal that base station sends, described signal deployment sub-frame set 0 and sub-frame set 1.Terminal receives the high-rise configuration parameter that base station sends, and this parameter supports the enhancing form of 256QAM modulation system to sub-frame set 0 selection, and described enhancing form is support that the CQI table of 256QAM, MCS table and TBS show.The I that terminal receives in sub-frame set 0 mCSbased on the enhancing form of base station configuration, the enhancing form that the CQI of the sub-frame set 0 of feedback configures based on base station; At the I that sub-frame set 1 receives mCSbased on the conventional form of base station configuration, the conventional form that the CQI of the sub-frame set 1 of feedback configures based on base station.The method configures the use of 256QAM in the subframe of high Signal to Interference plus Noise Ratio, the sub-frame set of low Signal to Interference plus Noise Ratio configures the form not supporting 256QAM, thus better realizes adaptive coding and modulating, improves system spectral efficiency.
Sub-embodiment three: in this embodiment, terminal receives the configuration signal that base station sends, described signal deployment sub-frame set 0 and sub-frame set 1.Terminal receives the high-rise configuration parameter that base station sends, and this parameter supports the enhancing form of 256QAM modulation system to sub-frame set 1 selection, and described enhancing form is support that the CQI table of 256QAM, MCS table and TBS show.The I that terminal receives in sub-frame set 1 mCSbased on the enhancing form of base station configuration, the enhancing form that the CQI of the sub-frame set 1 of feedback configures based on base station; At the I that sub-frame set 0 receives mCSbased on the conventional form of base station configuration, the conventional form that the CQI of the sub-frame set 0 of feedback configures based on base station.The method configures the use of 256QAM in the subframe of high Signal to Interference plus Noise Ratio, the sub-frame set of low Signal to Interference plus Noise Ratio configures the form not supporting 256QAM, thus better realizes adaptive coding and modulating, improves system spectral efficiency.
Embodiment 19: embodiments provide a kind of high-order coded modulation processing method.In this embodiment, terminal receives the configuration signal that base station sends, and described signaling strengthens form to PDSCH RE mapping andQCL parameter set2 and set3 choice for use 256QAM, set0 and set1 choice for use is not supported to the conventional form of 256QAM.Terminal receives the Downlink Control Information that base station sends, and comprises PQI.The I as PQI=10 or 11 mCSshow based on 256QAM4 bit MCS; As PQI=00 or 01, I mCSbased on the conventional form not supporting 256QAM.The program reuses the dynamic instruction that PQI bit realizes MCS table, better can realize adaptive coding and modulating; And do not increase Downlink Control Information load.
Embodiment 20: embodiments provide a kind of high-order coded modulation processing method.
Sub-embodiment one: in this embodiment, terminal receives the configuration signal that base station sends, and described signal deployment 256QAM strengthens form, and the maximum downstream that hypothesis 256QAM can support to transmit the number of plies be 2.Terminal receives the downlink data of base station and obtains transmission number of plies rank and downlink transfer resource block number N by separating DCI pRB, when transmitting number of plies rank≤2, I mCSbased on the MCS table that 256QAM strengthens, terminal is according to I mCSand N pRBthe TBS table looking into enhancing obtains TBS; As rank>2 based on conventional form, terminal is according to I mCSand N pRBlook into conventional TBS table and obtain TBS.Not using 256QAM to the rank being greater than 2, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is comparatively large when rank is greater than 2.
Sub-embodiment two: in this embodiment, terminal receives the configuration signal that base station sends, and described signal deployment 256QAM strengthens form, and the maximum downstream that hypothesis 256QAM can support to transmit the number of plies be 4.Terminal receives the downlink data of base station and obtains transmission number of plies rank and downlink transfer resource block number N by separating DCI pRB, when transmitting number of plies rank≤4, I mCSbased on the MCS table that 256QAM strengthens, terminal is according to I mCSand N pRBthe TBS table looking into enhancing obtains TBS; As rank>4 based on conventional form, terminal is according to I mCSand N pRBlook into conventional TBS table and obtain TBS.Not using 256QAM to the rank being greater than 4, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is comparatively large when rank is greater than 4.
Sub-embodiment three: in this embodiment, terminal receives the configuration signal that base station sends, and described signal deployment 256QAM strengthens form, and the maximum downstream that hypothesis 256QAM can support to transmit the number of plies be 6.Terminal receives the downlink data of base station and obtains transmission number of plies rank and downlink transfer resource block number N by separating DCI pRB, when transmitting number of plies rank≤6, I mCSbased on the MCS table that 256QAM strengthens, terminal is according to I mCSand N pRBthe TBS table looking into enhancing obtains TBS; As rank>6 based on conventional form, terminal is according to I mCSand N pRBlook into conventional TBS table and obtain TBS.Not using 256QAM to the rank being greater than 6, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is comparatively large when rank is greater than 6.
Embodiment 21: embodiments provide a kind of high-order coded modulation processing method.
Sub-embodiment one: in this embodiment, terminal receives the configuration signal that base station sends, and described signal deployment 256QAM strengthens form, and the maximum downstream that hypothesis 256QAM can support to transmit the number of plies be 2.Terminal receives the downlink data of base station and obtains transmission number of plies rank by separating DCI.Terminal sends ascending control information to base station, at least comprises CQI.When transmitting number of plies rank≤2, the CQI table that CQI strengthens based on 256QAM; Show based on conventional CQI as rank>2.Not using 256QAM to the rank being greater than 2, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is comparatively large when rank is greater than 2.
Sub-embodiment two: in this embodiment, terminal receives the configuration signal that base station sends, and described signal deployment 256QAM strengthens form, and the maximum downstream that hypothesis 256QAM can support to transmit the number of plies be 4.Terminal receives the downlink data of base station and obtains transmission number of plies rank by separating DCI.Terminal sends ascending control information to base station, at least comprises CQI.When transmitting number of plies rank≤4, the CQI table that CQI strengthens based on 256QAM; Show based on conventional CQI as rank>4.Not using 256QAM to the rank being greater than 4, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is comparatively large when rank is greater than 4.
Sub-embodiment three: in this embodiment, terminal receives the configuration signal that base station sends, and described signal deployment 256QAM strengthens form, and the maximum downstream that hypothesis 256QAM can support to transmit the number of plies be 6.Terminal receives the downlink data of base station and obtains transmission number of plies rank by separating DCI.Terminal sends ascending control information to base station, at least comprises CQI.When transmitting number of plies rank≤6, the CQI table that CQI strengthens based on 256QAM; Show based on conventional CQI as rank>6.Not using 256QAM to the rank being greater than 6, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is comparatively large when rank is greater than 6.
Sub-embodiment four: in this embodiment, terminal receives the configuration signal that base station sends, and described signal deployment 256QAM strengthens form, and the maximum downstream that hypothesis 256QAM can support to transmit the number of plies be 7.Terminal receives the downlink data of base station and obtains transmission number of plies rank by separating DCI.Terminal sends ascending control information to base station, at least comprises CQI.When transmitting number of plies rank≤7, the CQI table that CQI strengthens based on 256QAM; Show based on conventional CQI as rank>7.Not using 256QAM to the rank being greater than 7, is that code word may not reach the signal to noise ratio used needed for 256QAM because interlayer interference is comparatively large when rank is greater than 7.
Embodiment 22
Embodiments provide a kind of high-order coded modulation processing method, use the method to complete the flow process of high-order coded modulation process as shown in Figure 1, comprising:
Step 101, base station send configuration signal to terminal;
In this step, the configuration signal that base station sends shows that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system, M >=256 and be positive integer.
In addition, described base station is on other resource collections removing predefined resource collection, and/or to except other signalings of terminal configuration under other transmission meanss of predefine transmission means, the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in the instruction of described other configuration signals.
In addition, described base station can also except predefined resource collection other resource collections on, and/or to except predefine transmission means other transmission meanss under terminal by not sending configuration signal to show the conventional form selecting not support M rank modulation system.
Described predefined resource collection, comprise following one of at least:
Predefined sub-frame set, predefined frequency domain resource set, the set of predefined uplink/downlink antenna port, predefined transport layer manifold is closed.
Described predefined sub-frame set, comprise following one of at least:
The sub-frame set of base station configuration, fixing sub-frame set.
The sub-frame set of described base station configuration comprise following one of at least:
Sub-frame set 0(subframe set0), sub-frame set 1(subframe set1), MBSFN sub-frame, for eIMTA, by System information block 1(SIB1) the descending sub frame set that configures, the DL sub-frame set switched by UL subframe in TDD DL subframe in eIMTA, the backhaul sub-frame set in Relay scene, Access sub-frame set in Relay scene, the D2D sub-frame set in D2D communication.
Described fixing sub-frame set, comprise following one of at least:
By subframe numbers n=0,1 ..., one or more sub-frame set formed of the subframe of 9 correspondences,
General subframe in tdd frame structure,
In tdd frame structure, special subframe configuration 0,1 ..., the DwPTS of one or more configurations in 9.
Be below the adoptable several configuration mode in base station:
For sub-frame set 0 and sub-frame set 1, base station respectively option and installment is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system;
For sub-frame set 0, base station selected configuration is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system; For sub-frame set 1, the conventional form of M rank modulation system is not supported in base station selected configuration;
For sub-frame set 1, base station selected configuration is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system; For sub-frame set 0, the conventional form of M rank modulation system is not supported in base station selected configuration;
For the backhaul sub-frame set in Relay scene and Access sub-frame set, base station respectively option and installment is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system;
For the DL sub-frame set switched by UL subframe in TDD DL subframe in eIMTA with by System information block 1(SIB1) the descending sub frame set of message arrangement, base station respectively option and installment is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system.
Described predefined frequency domain resource set, to comprise in frequency spectrum resource not by X2 signaling indicate may by the resource of adjacent base station height interference.
May by the frequency resource of adjacent base station height interference for what indicated by X2 signaling, the conventional form of M rank modulation system is not supported in described base station selected configuration;
For other frequency resources except the frequency resource may disturbed by adjacent base station height, described base station selected configuration is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system.
The subset of described predefined uplink/downlink antenna port set comprise following one of at least:
{ antenna port 5 }, { antenna port 7 to 7+p }, { antenna port 8+p to 14 }, { antenna port 0 to 3 }, wherein, p is positive integer, and 0≤p≤6.
Described predefined transport layer manifold is combined into the set of all positive integers of satisfied 1≤rank≤L, and wherein, rank is the element of the transmission number of plies, i.e. described transport layer manifold conjunction, the maximum transmitted number of plies that L supports for M rank modulation system, and L is positive integer.
Described predefined transmission means, comprise following one of at least:
Spatial multiplexing transmission mode;
Non-space multiplexing transmission mode, at least comprises one of following:
Transmit diversity transmission means, single antenna port transmission mode;
Based on the transmission means of DMRS;
Based on the transmission means of CRS.
Step 102, terminal downlink data receiving, obtain the configuration signal that base station sends;
In this step, terminal determines according to this configuration signal the form that base station is selected on predefined resource collection and/or under predefined transmission means.And according to prepackage agreement (as: adopt same modulation treatment mode to carry out modulation treatment with base station, or adopt different modulation treatment modes from base station and by adopted modulation treatment mode informing base station).
Step 103, described terminal are to described base station transmitting channel state information;
In this step, terminal, to base station transmitting channel state information, carries CQI in this channel condition information.
The configuration consistency whether the modulation treatment mode adopted according to terminal is indicated in configuration signal with base station, can also carry related announcement information in the UCI territory of channel condition information, specific as follows:
1, terminal adopts the modulation treatment mode identical with the configuration signal of base station;
Now, terminal can be selected only in channel condition information, to carry CQI; Also can select to be shown based on the CQI table strengthened or conventional CQI by CQI described in the UCI field notice base station of channel condition information in channel condition information.
2, terminal adopts the modulation treatment mode different from the configuration signal of base station;
Now, terminal need be shown based on the CQI table strengthened or conventional CQI by CQI described in the UCI field notice base station of channel condition information in channel condition information.
Step 104, described base station receive the channel condition information that described terminal sends;
When base station selected be configured with the enhancing form supporting M rank modulation systems time:
For transmission number of plies rank≤L, described CQI based on the CQI table strengthened, the wherein maximum transmitted number of plies supported for M rank modulation system of L, and L is positive integer;
For rank>L, described CQI shows based on conventional CQI.
When described base station shows by described configuration signal the enhancing form selecting support M rank modulation system, and during the CQI of terminal to report two transmission blocks, the CQI of described two transmission blocks based on the CQI table strengthened, or only has the CQI of a transmission block based on the CQI table strengthened in described two transmission blocks.
When described base station shows by described configuration signal the enhancing form selecting to support M rank modulation systems, for periodic report CSI, the method at least comprises one of following:
When transmitting number of plies rank=1, shown based on the CQI table strengthened or conventional CQI by CQI described in the 1 bit notification base station in UCI territory during terminal to report CQI;
When transmitting number of plies rank>1, shown or conventional CQI table based on the CQI strengthened by the described CQI of 1 first and/or second transmission block in bit notification base station of second transmission block differential CQI during terminal to report CQI, described second transmission block, 2 bit differential CQI represent;
When transmitting number of plies rank>1, the PUCCH reporting types of PMI is not reported for only reporting CQI, by the 1 bit notification base station that UCI territory is newly-increased during terminal to report CQI, CQI described in first transmission block is based on the CQI table strengthened or conventional CQI table
And/or CQI described in second transmission block described in another bit notification base station of being increased newly by UCI territory of described terminal is based on the CQI table strengthened or conventional CQI table;
Terminal is by the PTI field notice base station of channel condition information, and described CQI is based on the CQI table strengthened or conventional CQI table;
When transmitting number of plies rank=1, the CQI table of described enhancing is that 5 bit CQI show, and described CQI adopts 5 bits to represent;
When transmitting number of plies rank>1, the CQI of one or two transmission block shows based on the 5 bit CQI strengthened, and the CQI of first transmission block represents with 5 bits; Second transmission block 2 bit differential CQI represents;
When transmitting number of plies rank>1, the CQI of first and second transmission block shows based on the 5 bit CQI strengthened.The CQI of two transmission blocks adopts 7 bits to combine and reports, namely 7 bits can represent 27 power kind situations in any one all indicate the one combination of two transmission block CQI;
When transmitting number of plies rank>1, the PUCCH reporting types of PMI is not reported for only reporting CQI, the CQI of first and second transmission block shows based on the 5 bit CQI strengthened, the CQI of first transmission block represents with 5 bits, and the CQI of second transmission block represents by 4 bit differential CQI;
Terminal is by the PTI field notice base station of channel condition information, set A during described CQI shows based on the 5 bit CQI strengthened and B, grade during the 5 bit CQI that the element of described set A or B carrys out self-reinforcing show, A and B mutual exclusion, and A's and B and be namely that 5 bit CQI of whole enhancing show.
When described base station shows by configuration signal the enhancing form selecting to support M rank modulation system, CSI is reported for aperiodic, specifically comprises following reporting schemes:
Newly-increased 1 bit is used for informing base station, and broadband CQI is based on the CQI table strengthened or conventional CQI table;
Newly-increased 1 bit is used for informing base station, and subband CQI is based on the CQI table strengthened or conventional CQI table;
Broadband CQI shows based on the 5 bit CQI strengthened, and adopts 5 bits to represent;
Subband CQI show based on the 5 bit CQI strengthened, and employing x bit represents, described x >=3 and be positive integer;
Step 105, described base station send descending control signaling to described terminal;
In this step, described descending control signaling at least comprises I mCS.
The modulation treatment mode adopted according to base station whether with configure in step 101 identical, in this step, optionally, also notify I described in described terminal by the DCI territory of descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, specific as follows:
1, the modulation treatment mode that adopts of base station with configure in step 101 identical;
Now, base station notifies I described in described terminal by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, also can not carry the relevant information of used form in the DCI territory of described descending control signaling or C-RNTI.
2, the modulation treatment mode that adopts of base station from configure in step 101 different;
Now, base station needs to notify I described in described terminal by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS.
DCI territory involved in this step at least comprises one of following:
New data instruction (New data indicator) territory, PQI, redundancy versions territory, TPC command.
When the enhancing form supporting M rank modulation system is selected in base station configuration, for transmission number of plies rank≤L, described I mCSbased on the MCS table strengthened, the wherein maximum transmitted number of plies supported for M rank modulation system of L, and L is positive integer; For rank>L, described I mCSshow based on conventional MCS.
When base station shows by described configuration signal the enhancing form selecting to support M rank modulation systems, the method also at least comprises one of following:
For the downlink transfer of two transmission blocks, the I of two transmission blocks mCSall based on the MCS table strengthened;
For the downlink transfer of two transmission blocks, the I of a transmission block mCSbased on the MCS table strengthened, the I of another transmission block mCSshow based on conventional MCS;
For the downlink transfer of single transmission block, the I of this transmission block mCSshow based on the MCS table strengthened or conventional MCS.
When described base station shows according to described configuration signal the enhancing form selecting to support M rank modulation systems, the method also at least comprises one of following:
When DCI format is DCI format2 or 2X, during transmission number of plies rank=1, described base station notifies I described in described terminal by second transmission block new data instructions field mCSbased on the MCS table strengthened or conventional MCS table;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, described base station is by I described in terminal i-th transmission block described in 1 bit notification in i-th transmission block modulation and coded system territory and/or another transmission block mCSbased on the MCS table strengthened or conventional MCS table, the modulation of i-th transmission block and coded system territory remain 4 bits as the difference I relative to another transmission block mCS, i.e. the I of i-th transmission block mCSwith the I of another transmission block mCSwith difference I mCSsummation obtains; I=2 or 1;
When DCI format is DCI format 2 or 2X, during transmission number of plies rank>1, described base station is by I described in terminal i-th transmission block described in 1 bit notification in i-th transmission block redundancy versions territory or two transmission blocks mCSbased on the MCS table strengthened or conventional MCS table, in i-th transmission block redundancy versions territory, other 1 bit is used to indicate two redundancy versions, i=1 or 2;
For DCI format 2D, described base station uses I described in PQI notification terminal mCSbased on the MCS table strengthened or conventional MCS table, the high-rise MCS table that configuration instruction strengthens in the PDSCH RE mapping andQCL parameter set that existing PQI is corresponding or conventional MCS shows, or PQI is only used to indicate the MCS table of enhancing or conventional MCS table and no longer indicates PDSCH RE mappingand QCL parameter set;
Described base station uses I described in TPC command notification terminal mCSbased on the MCS table strengthened still conventional MCS table, particularly, TPC command also indicates the MCS of enhancing to show while instruction TPC or conventional MCS shows;
When DCI format is DCI format2 or 2X, during transmission number of plies rank=1, the I of single transmission block mCSshow based on the 6 bit MCS strengthened, and represent with 6 bits, this 6 bit indicates 5 bits in 1 bit in (New data indicator) territory and first transmission block modulation and coded system territory to form by second transmission block new data;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, the I of i-th transmission block mCSshow based on the 6 bit MCS strengthened, and represent with 6 bits, this 6 bit is modulated by another transmission block and in coded system territory, 5 bits in 1 bit and i-th transmission block modulation and coded system territory form, and the modulation of another transmission block and coded system territory remain 4 bits as the difference I relative to i-th transmission block mCS, i.e. the I of another transmission block mCSwith the I of i-th transmission block mCSwith difference I mCSsummation obtains;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, the I of first and second transmission block mCSall show based on the 6 bit MCS strengthened, the I of two transmission blocks mCSadopt 10 bits to combine to report, namely 10 bits can represent 2 10 power kind situations in any one all indicate two transmission block I mCSone combination;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, the I of i-th transmission block mCSshow based on the 6 bit MCS strengthened, and represent with 6 bits, this 6 bit is made up of 5 bits in 1 bit combined modulation and coded system territory in i-th transmission block redundancy versions territory, and in i-th transmission block redundancy versions territory, other 1 bit is used to indicate two redundancy versions, i=1 or 2;
When DCI format is DCI format 2 or 2X, during transmission number of plies rank>1, the I of two transmission blocks mCSall show based on the 6 bit MCS strengthened, and represent with 6 bits, for two transmission blocks, this 6 bit is all made up of 5 bits in 1 bit combined modulation and coded system territory in i-th transmission block redundancy versions territory, and in i-th transmission block redundancy versions territory, other 1 bit is used to indicate two redundancy versions; I=1 or 2;
For DCI format 2D, use PQI notification terminal, described I mCSset A in showing based on the 6 bit MCS strengthened or B, the grade during the 6 bit MCS that the element of described set A or B carrys out self-reinforcing show, A and B mutual exclusion, and A's and B and be namely that 6 bit MCS of whole enhancing show.In the PDSCH RE mapping and QCL parameter set that existing PQI is corresponding, configure instruction set A or B by high level, or PQI is only used to indicate set A or B and no longer indicates PDSCHRE mapping and QCL parameter set;
Use I described in TPC command notification terminal mCSset A in showing based on the 6 bit MCS strengthened or B, grade during the 6 bit MCS that the element of described set A or B carrys out self-reinforcing show, A and B mutual exclusion, and A's and B and be namely that 6 bit MCS of whole enhancing show, particularly, TPC command also indicates set A or B while instruction TPC;
The described I when using pre-configured C-RNTI to carry out scrambling to the CRC of PDCCH mCSbased on the MCS table strengthened, when use pre-configured C-RNTI add deduct j scrambling carried out to the CRC of PDCCH time described I mCSmCS based on routine shows, and wherein, j is positive integer;
When using pre-configured C-RNTI to carry out scrambling to the CRC of PDCCH, described I mCSmCS based on routine shows; When use pre-configured C-RNTI add deduct j scrambling is carried out to the CRC of PDCCH time, described I mCSbased on the MCS table strengthened.
Step 106, terminal receive the descending control signaling that base station sends.
Embodiment 23
Embodiments provide a kind of high-order coded modulation processing unit, its structure as shown in Figure 2, comprising:
First configuration module 201, for sending configuration signal to terminal, described configuration signal shows that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system, M >=256 and be positive integer.
Preferably, this device also comprises:
Second configuration module 202, for except other resource collections of predefined resource collection, and/or to except other signalings of terminal configuration under other transmission meanss of predefine transmission means, the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in the instruction of described other configuration signals.
Preferably, this device also comprises:
Channel condition information receiver module 203, for receiving the channel condition information of described terminal, described channel condition information at least comprises CQI, the information showing that described CQI shows based on the CQI table strengthened or conventional CQI is carried in the UCI territory of described channel condition information.
Preferably, this device also comprises:
Control signal issues module 204, and for sending descending control signaling to described terminal, described descending control signaling at least comprises I mCS, notify I described in described terminal by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data indicator territory, PQI, redundancy versions territory, TPC command.
High-order coded modulation processing unit accessible site shown in Fig. 2, in base station, completes corresponding function by base station.
Present invention also offers another kind of high-order coded modulation processing unit, its structure as shown in Figure 3, comprising:
Configuration signal acquisition module 301, for downlink data receiving, obtain the configuration signal that base station sends, described configuration signal shows to select to support that the enhancing form of M rank modulation systems or instruction select not support the conventional form of M rank modulation system on predefined resource collection and/or under predefined transmission means, M >=256 and be positive integer.
Preferably, this device also comprises:
Channel condition information sending module 302, for described base station transmitting channel state information, described channel condition information at least comprises CQI, is shown based on the CQI table strengthened or conventional CQI by CQI described in base station described in the UCI field notice of described channel condition information.
Preferably, this device also comprises:
Control signal receiver module 303, for receiving the descending control signaling that described base station sends, described descending control signaling at least comprises I mCS, learn described I by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data instructions field, PQI, redundancy versions territory, TPC command.
High-order coded modulation processing unit accessible site shown in Fig. 3, in terminal, completes corresponding function by terminal.
The embodiment of the present invention additionally provides a kind of high-order coded modulation treatment system, comprises base station and terminal;
Described base station, comprise high-order coded modulation processing unit as shown in Figure 2, for sending configuration signal to described terminal, described configuration signal shows that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system, M >=256 and be positive integer,
Described terminal, comprises high-order coded modulation processing unit as shown in Figure 3, for downlink data receiving, obtains the described configuration signal that described base station sends.
Preferably, described base station, also for except other resource collections of predefined resource collection, and/or to except other signalings of terminal configuration under other transmission meanss of predefine transmission means, the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in the instruction of described other configuration signals.
Preferably, described terminal, also for described base station transmitting channel state information, described channel condition information at least comprises CQI, is shown based on the CQI table strengthened or conventional CQI by CQI described in base station described in the UCI field notice of described channel condition information;
Described base station, also for receiving the channel condition information that described terminal sends.
Preferably, described base station, also for sending descending control signaling to described terminal, described descending control signaling at least comprises I mCS, notify I described in described terminal by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data indicator territory, PQI, redundancy versions territory, TPC command;
Described terminal, also for receiving described descending control signaling.
The high-order coded modulation processing unit that embodiments of the invention provide and system, can combine with a kind of high-order coded modulation processing method that embodiments of the invention provide, base station sends configuration signal to terminal, described configuration signal shows that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system.By carrying the configuration signal using form relevant information to some extent, achieving the modulation treatment of base station and terminal more high-order, solving the problem that existing communication system cannot support more high-order modulating.The technical scheme that embodiments of the invention provide supports the use of the CQI/MCS/TBS table on M rank modulation system (M is more than or equal to 256) by reasonable disposition under high s/n ratio environment, fed-back channel status and scheduling use high-order modulating neatly, the existing wireless-transmission network basis of compatibility supports high order modulation, better adaptive coding and modulating be can realize, system peak rate and spectrum efficiency improved.
By adopting the present invention program, reasonably can configure the use (M is more than or equal to 256) of M rank modulation system, the use for M rank modulation system provides applicable Signal to Interference plus Noise Ratio condition; Can abundant fed-back channel status flexibly while not increasing signaling consumption, can dispatch neatly and use M rank modulation system.In a word, the present invention program supports the use of M rank modulation system well, improves spectrum efficiency and the data transmission peak rate of wireless communication system.
One of ordinary skill in the art will appreciate that all or part of step of above-described embodiment can use computer program flow process to realize, described computer program can be stored in a computer-readable recording medium, described computer program (as system, unit, device etc.) on corresponding hardware platform performs, when performing, step comprising embodiment of the method one or a combination set of.
Alternatively, all or part of step of above-described embodiment also can use integrated circuit to realize, and these steps can be made into integrated circuit modules one by one respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
Each device/functional module/functional unit in above-described embodiment can adopt general calculation element to realize, and they can concentrate on single calculation element, also can be distributed on network that multiple calculation element forms.
Each device/functional module/functional unit in above-described embodiment using the form of software function module realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.The above-mentioned computer read/write memory medium mentioned can be read-only memory, disk or CD etc.
Anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range described in claim.

Claims (35)

1. a high-order coded modulation processing method, is characterized in that, comprising:
Base station sends configuration signal to terminal, described configuration signal shows that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system, M >=256 and be positive integer.
2. high-order coded modulation processing method according to claim 1, is characterized in that, the method also comprise following one of at least:
Described base station is on other resource collections removing predefined resource collection, and/or to except other signalings of terminal configuration under other transmission meanss of predefine transmission means, the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in the instruction of described other configuration signals.
3. high-order coded modulation processing method according to claim 1, is characterized in that, described predefined resource collection, comprise following one of at least:
Predefined sub-frame set, predefined frequency domain resource set, the set of predefined uplink/downlink antenna port, predefined transport layer manifold is closed.
4. high-order coded modulation processing method according to claim 3, is characterized in that, described predefined sub-frame set, comprise following one of at least:
The sub-frame set of base station configuration, fixing sub-frame set.
5. high-order coded modulation processing method according to claim 4, is characterized in that, the sub-frame set of described base station configuration comprise following one of at least:
Sub-frame set 0(subframe set0), sub-frame set 1(subframe set1), MBSFN sub-frame, for eIMTA, by System information block 1(SIB1) the descending sub frame set that configures, the DL sub-frame set switched by UL subframe in TDD DL subframe in eIMTA, the backhaul sub-frame set in Relay scene, Access sub-frame set in Relay scene, the D2D sub-frame set in D2D communication.
6. high-order coded modulation processing method according to claim 4, is characterized in that, described fixing sub-frame set, comprise following one of at least:
By subframe numbers n=0,1 ..., one or more sub-frame set formed of the subframe of 9 correspondences,
General subframe in tdd frame structure,
In tdd frame structure, special subframe configuration 0,1 ..., the DwPTS of one or more configurations in 9.
7. high-order coded modulation processing method according to claim 5, is characterized in that, described method also comprise following one of at least:
For sub-frame set 0 and sub-frame set 1, base station respectively option and installment is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system;
For sub-frame set 0, base station selected configuration is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system; For sub-frame set 1, the conventional form of M rank modulation system is not supported in base station selected configuration;
For sub-frame set 1, base station selected configuration is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system; For sub-frame set 0, the conventional form of M rank modulation system is not supported in base station selected configuration;
For the backhaul sub-frame set in Relay scene and Access sub-frame set, base station respectively option and installment is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system;
For the DL sub-frame set switched by UL subframe in TDD DL subframe in eIMTA with by System information block 1(SIB1) the descending sub frame set of message arrangement, base station respectively option and installment is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system.
8. high-order coded modulation processing method according to claim 3, is characterized in that, described predefined frequency domain resource set, to comprise in frequency spectrum resource not by X2 signaling indicate may by the resource of adjacent base station height interference.
9. the high-order coded modulation processing method according to Claims 2 or 3, is characterized in that,
May by the frequency resource of adjacent base station height interference for what indicated by X2 signaling, the conventional form of M rank modulation system is not supported in described base station selected configuration;
For other frequency resources except the frequency resource may disturbed by adjacent base station height, described base station selected configuration is supported the enhancing form of M rank modulation system or is not supported the conventional form of M rank modulation system.
10. high-order coded modulation processing method according to claim 3, is characterized in that, the subset of described predefined uplink/downlink antenna port set comprise following one of at least:
{ antenna port 5 }, { antenna port 7 to 7+p }, { antenna port 8+p to 14 }, { antenna port 0 to 3 }, wherein, p is positive integer, and 0≤p≤6.
11. high-order coded modulation processing methods according to claim 3, it is characterized in that, described predefined transport layer manifold is combined into the set of all positive integers of satisfied 1≤rank≤L, wherein, rank is the transmission number of plies, the i.e. element of described transport layer manifold conjunction, the maximum transmitted number of plies that L supports for M rank modulation system, and L is positive integer.
12. high-order coded modulation processing methods according to claim 3, is characterized in that, described predefined transmission means, comprise following one of at least:
Spatial multiplexing transmission mode;
Non-space multiplexing transmission mode, at least comprises one of following:
Transmit diversity transmission means, single antenna port transmission mode;
Based on the transmission means of DMRS;
Based on the transmission means of CRS.
13. high-order coded modulation processing methods according to claim 1, is characterized in that, base station to terminal send configuration signal step after, also comprise:
Described base station receives the channel condition information of described terminal, and described channel condition information at least comprises CQI, carries the information showing that described CQI shows based on the CQI table strengthened or conventional CQI in the UCI territory of described channel condition information.
14. high-order coded modulation processing methods according to claim 1 or 11 or 13, is characterized in that, when base station selected be configured with the enhancing form supporting M rank modulation system time:
For transmission number of plies rank≤L, described CQI based on the CQI table strengthened, the wherein maximum transmitted number of plies supported for M rank modulation system of L, and L is positive integer;
For rank>L, described CQI shows based on conventional CQI.
15. high-order coded modulation processing methods according to claim 13, is characterized in that,
When described base station shows by described configuration signal the enhancing form selecting support M rank modulation system, and during the CQI of terminal to report two transmission blocks, the CQI of described two transmission blocks based on the CQI table strengthened, or only has the CQI of a transmission block based on the CQI table strengthened in described two transmission blocks.
16. high-order coded modulation processing methods according to claim 13, is characterized in that, when described base station shows by described configuration signal the enhancing form selecting to support M rank modulation systems, for periodic report CSI, the method at least comprises one of following:
When transmitting number of plies rank=1, shown based on the CQI table strengthened or conventional CQI by CQI described in the 1 bit notification base station in UCI territory during terminal to report CQI;
When transmitting number of plies rank>1, shown or conventional CQI table based on the CQI strengthened by the described CQI of 1 first and/or second transmission block in bit notification base station of second transmission block differential CQI during terminal to report CQI, described second transmission block, 2 bit differential CQI represent;
When transmitting number of plies rank>1, the PUCCH reporting types of PMI is not reported for only reporting CQI, by the 1 bit notification base station that UCI territory is newly-increased during terminal to report CQI, CQI described in first transmission block is based on the CQI table strengthened or conventional CQI table
And/or CQI described in second transmission block described in another bit notification base station of being increased newly by UCI territory of described terminal is based on the CQI table strengthened or conventional CQI table;
Terminal is by the PTI field notice base station of channel condition information, and described CQI is based on the CQI table strengthened or conventional CQI table;
When transmitting number of plies rank=1, the CQI table of described enhancing is that 5 bit CQI show, and described CQI adopts 5 bits to represent;
When transmitting number of plies rank>1, the CQI of one or two transmission block shows based on the 5 bit CQI strengthened, and the CQI of first transmission block represents with 5 bits; Second transmission block 2 bit differential CQI represents;
When transmitting number of plies rank>1, the CQI of first and second transmission block shows based on the 5 bit CQI strengthened, the CQI of two transmission blocks adopts 7 bits to combine and reports, namely 7 bits can represent 27 power kind situations in any one all indicate the one combination of two transmission block CQI;
When transmitting number of plies rank>1, the PUCCH reporting types of PMI is not reported for only reporting CQI, the CQI of first and second transmission block shows based on the 5 bit CQI strengthened, the CQI of first transmission block represents with 5 bits, and the CQI of second transmission block represents by 4 bit differential CQI;
Terminal is by the PTI field notice base station of channel condition information, set A during described CQI shows based on the 5 bit CQI strengthened and B, grade during the 5 bit CQI that the element of described set A or B carrys out self-reinforcing show, A and B mutual exclusion, and A's and B and be namely that 5 bit CQI of whole enhancing show.
17. high-order coded modulation processing methods according to claim 13, is characterized in that, when described base station shows by configuration signal the enhancing form selecting to support M rank modulation systems, report CSI for aperiodic, and the method at least comprises one of following:
Newly-increased 1 bit is used for informing base station, and broadband CQI is based on the CQI table strengthened or conventional CQI table;
Newly-increased 1 bit is used for informing base station, and subband CQI is based on the CQI table strengthened or conventional CQI table;
Broadband CQI shows based on the 5 bit CQI strengthened, and adopts 5 bits to represent;
Subband CQI show based on the 5 bit CQI strengthened, and employing x bit represents, described x >=3 and be positive integer.
18. high-order coded modulation processing methods according to claim 1, is characterized in that, base station on predefined resource collection, and/or also comprises after the step of the terminal configuration signaling under predefine transmission means:
Described base station sends descending control signaling to described terminal, and described descending control signaling at least comprises modulation and coded system territory (I mCS), notify I described in described terminal by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data instruction (New data indicator) territory, PQI, redundancy versions territory, TPC command.
19. high-order coded modulation processing methods according to claim 1 or 11 or 18, it is characterized in that, when the enhancing form supporting M rank modulation system is selected in base station configuration, for transmission number of plies rank≤L, described IMCS is based on the MCS table strengthened, the wherein maximum transmitted number of plies supported for M rank modulation system of L, and L is positive integer; For rank>L, described IMCS shows based on conventional MCS.
20. high-order coded modulation processing methods according to claim 18, is characterized in that, when base station shows by described configuration signal the enhancing form selecting to support M rank modulation systems, the method also at least comprises one of following:
For the downlink transfer of two transmission blocks, the I of two transmission blocks mCSall based on the MCS table strengthened;
For the downlink transfer of two transmission blocks, the I of a transmission block mCSbased on the MCS table strengthened, the I of another transmission block mCSshow based on conventional MCS;
For the downlink transfer of single transmission block, the I of this transmission block mCSshow based on the MCS table strengthened or conventional MCS.
21. high-order coded modulation processing methods according to claim 18, is characterized in that, when described base station shows according to described configuration signal the enhancing form selecting to support M rank modulation systems, the method also at least comprises one of following:
When DCI format is DCI format2 or 2X, during transmission number of plies rank=1, described base station notifies I described in described terminal by second transmission block new data instructions field mCSbased on the MCS table strengthened or conventional MCS table;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, described base station is by I described in terminal i-th transmission block described in 1 bit notification in i-th transmission block modulation and coded system territory and/or another transmission block mCSbased on the MCS table strengthened or conventional MCS table, the modulation of i-th transmission block and coded system territory remain 4 bits as the difference I relative to another transmission block mCS, i.e. the I of i-th transmission block mCSwith the I of another transmission block mCSwith difference I mCSsummation obtains; I=2 or 1;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, described base station is by I described in terminal i-th transmission block described in 1 bit notification in i-th transmission block redundancy versions territory or two transmission blocks mCSbased on the MCS table strengthened or conventional MCS table, in i-th transmission block redundancy versions territory, other 1 bit is used to indicate two redundancy versions, i=1 or 2;
For DCI format2D, described base station uses I described in PQI notification terminal mCSbased on the MCS table strengthened or conventional MCS table, the high-rise MCS table that configuration instruction strengthens in the PDSCH RE mapping andQCL parameter set that existing PQI is corresponding or conventional MCS shows, or PQI is only used to indicate the MCS table of enhancing or conventional MCS table and no longer indicates PDSCH RE mappingand QCL parameter set;
Described base station uses I described in TPC command notification terminal mCSbased on the MCS table strengthened still conventional MCS table, particularly, TPC command also indicates the MCS of enhancing to show while instruction TPC or conventional MCS shows;
When DCI format is DCI format2 or 2X, during transmission number of plies rank=1, the I of single transmission block mCSshow based on the 6 bit MCS strengthened, and represent with 6 bits, this 6 bit indicates 5 bits in 1 bit in (New data indicator) territory and first transmission block modulation and coded system territory to form by second transmission block new data;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, the I of i-th transmission block mCSshow based on the 6 bit MCS strengthened, and represent with 6 bits, this 6 bit is modulated by another transmission block and in coded system territory, 5 bits in 1 bit and i-th transmission block modulation and coded system territory form, and the modulation of another transmission block and coded system territory remain 4 bits as the difference I relative to i-th transmission block mCS, i.e. the I of another transmission block mCSwith the I of i-th transmission block mCSwith difference I mCSsummation obtains;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, the I of first and second transmission block mCSall show based on the 6 bit MCS strengthened, the I of two transmission blocks mCSadopt 10 bits to combine to report, namely 10 bits can represent 2 10 power kind situations in any one all indicate two transmission block I mCSone combination;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, the I of i-th transmission block mCSshow based on the 6 bit MCS strengthened, and represent with 6 bits, this 6 bit is made up of 5 bits in 1 bit combined modulation and coded system territory in i-th transmission block redundancy versions territory, and in i-th transmission block redundancy versions territory, other 1 bit is used to indicate two redundancy versions, i=1 or 2;
When DCI format is DCI format2 or 2X, during transmission number of plies rank>1, the I of two transmission blocks mCSall show based on the 6 bit MCS strengthened, and represent with 6 bits, for two transmission blocks, this 6 bit is all made up of 5 bits in 1 bit combined modulation and coded system territory in i-th transmission block redundancy versions territory, and in i-th transmission block redundancy versions territory, other 1 bit is used to indicate two redundancy versions; I=1 or 2;
For DCI format2D, use PQI notification terminal, described I mCSset A in showing based on the 6 bit MCS strengthened or B, the element of described set A or B carrys out the grade in 6 bit MCS tables of self-reinforcing, A and B mutual exclusion, and A's and B and be namely that 6 bit MCS of whole enhancing show, in the PDSCH RE mapping and QCL parameter set that existing PQI is corresponding, configure instruction set A or B by high level, or PQI is only used to indicate set A or B and no longer indicates PDSCHRE mapping and QCL parameter set;
Use I described in TPC command notification terminal mCSset A in showing based on the 6 bit MCS strengthened or B, grade during the 6 bit MCS that the element of described set A or B carrys out self-reinforcing show, A and B mutual exclusion, and A's and B and be namely that 6 bit MCS of whole enhancing show, particularly, TPC command also indicates set A or B while instruction TPC;
The described I when using pre-configured C-RNTI to carry out scrambling to the CRC of PDCCH mCSbased on the MCS table strengthened, when use pre-configured C-RNTI add deduct j scrambling carried out to the CRC of PDCCH time described I mCSmCS based on routine shows, and wherein, j is positive integer;
When using pre-configured C-RNTI to carry out scrambling to the CRC of PDCCH, described I mCSmCS based on routine shows; When use pre-configured C-RNTI add deduct j scrambling is carried out to the CRC of PDCCH time, described I mCSbased on the MCS table strengthened.
22. 1 kinds of high-order coded modulation processing methods, is characterized in that, comprising:
Terminal downlink data receiving, obtain the configuration signal that base station sends, described configuration signal shows to select to support that the enhancing form of M rank modulation systems or instruction select not support the conventional form of M rank modulation system on predefined resource collection and/or under predefined transmission means, M >=256 and be positive integer.
23. high-order coded modulation processing methods according to claim 22, it is characterized in that, terminal downlink data receiving, obtains base station on predefined resource collection, and/or also comprises to after the step of the signaling of terminal configuration for predefined transmission means:
Described terminal is to described base station transmitting channel state information, and described channel condition information at least comprises CQI, and described terminal is shown based on the CQI table strengthened or conventional CQI by CQI described in the UCI field notice base station of channel condition information.
24. high-order coded modulation processing methods according to claim 22, is characterized in that, terminal downlink data receiving, also comprise after obtaining the step of the configuration signal that base station sends:
Described terminal receives the descending control signaling that described base station sends, and described descending control signaling at least comprises I mCS, described terminal learns described I by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data instructions field, PQI, redundancy versions territory, TPC command.
25. 1 kinds of high-order coded modulation processing unit, it is characterized in that, this device comprises:
First configuration module, for sending configuration signal to terminal, described configuration signal shows that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system, M >=256 and be positive integer.
26. high-order coded modulation processing unit according to claim 25, it is characterized in that, this device also comprises:
Second configuration module, for except other resource collections of predefined resource collection, and/or to except other signalings of terminal configuration under other transmission meanss of predefine transmission means, the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in the instruction of described other configuration signals.
27. high-order coded modulation processing unit according to claim 25, it is characterized in that, this device also comprises:
Channel condition information receiver module, for receiving the channel condition information of described terminal, described channel condition information at least comprises CQI, carries the information showing that described CQI shows based on the CQI table strengthened or conventional CQI in the UCI territory of described channel condition information.
28. high-order coded modulation processing unit according to claim 25, it is characterized in that, this device also comprises:
Control signal issues module, and for sending descending control signaling to described terminal, described descending control signaling at least comprises I mCS, notify I described in described terminal by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data indicator territory, PQI, redundancy versions territory, TPC command.
29. 1 kinds of high-order coded modulation processing unit, is characterized in that, comprising:
Configuration signal acquisition module, for downlink data receiving, obtain the configuration signal that base station sends, described configuration signal shows to select to support that the enhancing form of M rank modulation systems or instruction select not support the conventional form of M rank modulation system on predefined resource collection and/or under predefined transmission means, M >=256 and be positive integer.
30. high-order coded modulation processing unit according to claim 29, it is characterized in that, this device also comprises:
Channel condition information sending module, for described base station transmitting channel state information, described channel condition information at least comprises CQI, is shown based on the CQI table strengthened or conventional CQI by CQI described in base station described in the UCI field notice of described channel condition information.
31. high-order coded modulation processing unit according to claim 29, it is characterized in that, this device also comprises:
Control signal receiver module, for receiving the descending control signaling that described base station sends, described descending control signaling at least comprises I mCS, learn described I by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data instructions field, PQI, redundancy versions territory, TPC command.
32. 1 kinds of high-order coded modulation treatment systems, is characterized in that, comprise base station and terminal;
Described base station, comprise the high-order coded modulation processing unit according to any one of claim 25 to 28, for sending configuration signal to described terminal, described configuration signal shows that the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in described base station on predefined resource collection and/or under predefine transmission means, described enhancing form is the CQI table of the enhancing supporting M rank modulation system and/or MCS shows and/or TBS table, described conventional form is the conventional CQI table and/or MCS table and/or TBS table of not supporting M rank modulation system, M >=256 and be positive integer,
Described terminal, comprises the high-order coded modulation processing unit according to any one of claim 29 to 31, for downlink data receiving, obtains the described configuration signal that described base station sends.
33. high-order coded modulation treatment systems according to claim 32, is characterized in that,
Described base station, also for except other resource collections of predefined resource collection, and/or to except other signalings of terminal configuration under other transmission meanss of predefine transmission means, the conventional form supported the enhancing form of M rank modulation system or select not support M rank modulation system is selected in the instruction of described other configuration signals.
34. high-order coded modulation treatment systems according to claim 32, is characterized in that,
Described terminal, also for described base station transmitting channel state information, described channel condition information at least comprises CQI, is shown based on the CQI table strengthened or conventional CQI by CQI described in base station described in the UCI field notice of described channel condition information;
Described base station, also for receiving the channel condition information that described terminal sends.
35. high-order coded modulation treatment systems according to claim 32, is characterized in that,
Described base station, also for sending descending control signaling to described terminal, described descending control signaling at least comprises I mCS, notify I described in described terminal by the DCI territory of described descending control signaling or C-RNTI mCSshow based on the MCS table strengthened or conventional MCS, described DCI territory at least comprises one of following:
New data indicator territory, PQI, redundancy versions territory, TPC command;
Described terminal, also for receiving described descending control signaling.
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