CN110474732A - A kind of indicating means, device and the base station of modulation and coding strategy MCS table - Google Patents

A kind of indicating means, device and the base station of modulation and coding strategy MCS table Download PDF

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Publication number
CN110474732A
CN110474732A CN201810450653.8A CN201810450653A CN110474732A CN 110474732 A CN110474732 A CN 110474732A CN 201810450653 A CN201810450653 A CN 201810450653A CN 110474732 A CN110474732 A CN 110474732A
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mcs table
mcs
target
indicate
class
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CN110474732B (en
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白伟
高雪娟
邢艳萍
艾托尼
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Datang Mobile Communications Equipment Co Ltd
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Telecommunications Science and Technology Research Institute Co Ltd
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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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

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

Abstract

The present invention provides indicating means, device and the base stations of a kind of modulation and coding strategy MCS table, wherein, modulation and the indicating means of coding strategy MCS table include: that MCS table indication field is defined in Downlink Control Information DCI, form physical downlink control channel PDCCH, the MCS table indication field is used to indicate target MCS table, and target MCS table belongs to first kind table or the second class table；The PDCCH to be formed is sent to terminal.This programme forms physical downlink control channel PDCCH, the MCS table indication field is used to indicate target MCS table, and target MCS table belongs to first kind table or the second class table by defining MCS table indication field in Downlink Control Information DCI；The PDCCH to be formed is sent to terminal；To realize the purpose that dynamic instruction MCS table is capable of in base station when there are multiple business such as eMBB and URLLC.

Description

A kind of indicating means, device and the base station of modulation and coding strategy MCS table
Technical field
The present invention relates to fields of communication technology, particularly relate to indicating means, the dress of a kind of modulation and coding strategy MCS table It sets and base station.
Background technique
With the development and change of mobile communication business demand, multiple tissues such as 3GPP all start future mobile communication system Study new wireless communication system (i.e. 5G NR, 5 Generation New RAT, the 5th generation new wireless access technology).In 5G In NR system, an important demand is low time delay, highly reliable communication, the reliable ultralow time delay communication URLLC of superelevation occurs Equal transmission plans.
For URLLC business, in NR standard, 3 modulation and coding strategy MCS table has been defined, including 64 just Hand over amplitude modulation QAM, 256QAM, 10-5MCS table corresponding to target Block Error Rate BLER can may also define the 4th MCS Table --- 10-1MCS table corresponding to target BLER.For some terminal UE, enhancing mobile broadband eMBB may be supported Business and URLLC business, while URLLC business may be multiple, and respectively correspond different target BLER；For some UE's URLLC business, may just pass corresponding target BLER is 10-1, to retransmit corresponding target BLER be 10-5.The above situation, It is required to base station and explicitly points out which specific MCS MCS value index indicated in physical downlink control channel PDCCH belongs to Table.
Currently, for the instruction of MCS table, relevant technical solution is as follows in NR eMBB:
In eMBB, using radio resource control RRC signaling, in Physical Downlink Shared Channel configuration PDSCH-config letter There is the element IE of entitled a modulation and coding strategy table mcs-Table in order, there are two options of 64QAM and 256QAM, The RRC signaling is sent to UE by base station, indicates that MCS table used in UE is 64QAM or 256QAM.
In RRC signaling 1 bit element mcs-Table instruction M1 (representing 64QAM) or M2 (representing 256QAM) the two One in virtual value.In newest NR standard, there are four MCS table possibility, including N1 (representing 64QAM), N2 (are represented 256QAM), N3 (represents URLLC new1, i.e., 10-5MCS table corresponding to target BLER), N4 (represent URLLC new2, i.e., 10-1MCS table corresponding to target BLER) four virtual values, it is also possible to there are three, including N1 (representing 64QAM), N2 (represent 256QAM), N3 (represents URLLC new, i.e., 10-5MCS table corresponding to target BLER) three virtual values.Wherein, N1 and N2 It is 10 for target BLER in eMBB-1Table.
But when there are multiple MCS tables, such as MCS table of the MCS table of 2 eMBB and 1~2 URLLC is existing There is in technology base station can not which MCS table in the multiple MCS tables of dynamic instruction.Especially, newly occur 1~2 in 5G NR A MCS table does not have indicating means to this 1~2 MCS table at present.
Summary of the invention
The purpose of the present invention is to provide indicating means, device and the base station of a kind of modulation and coding strategy MCS table, solutions Certainly in the prior art base station can not dynamic instruction aiming at the problem that MCS table of multiple business.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides the instruction of a kind of modulation and coding strategy MCS table Method, comprising:
MCS table indication field is defined in Downlink Control Information DCI, forms physical downlink control channel PDCCH, it is described MCS table indication field is used to indicate target MCS table, and target MCS table belongs to first kind table or the second class table；
The PDCCH to be formed is sent to terminal.
Optionally, the first kind table is the MCS table for enhancing mobile broadband eMBB business；The second class table is The MCS table of the reliable ultralow time delay communication URLLC business of superelevation.
Optionally, the step of MCS table indication field is defined in Downlink Control Information DCI include:
At least 1 bit is defined in Downlink Control Information DCI；Terminal is used to indicate using radio resource control RRC signaling The target MCS table of middle element mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using the target MCS table of new field instruction in RRC signaling, the target MCS table category In the second class table.
Optionally, before MCS table indication field is defined in Downlink Control Information DCI, the indicating means further include:
The new field in RRC signaling is used to indicate the first MCS table or the 2nd MCS table of the second class table；
Wherein, the first MCS table of the second class table is that the reliable ultralow time delay of superelevation communicates 10 in URLLC business-5 MCS table corresponding to target Block Error Rate BLER, the 2nd MCS table of the second class table are 10 in URLLC business-1Mesh Mark MCS table corresponding to BLER.
Optionally, the step of MCS table indication field is defined in Downlink Control Information DCI include:
At least 1 bit is defined in Downlink Control Information DCI；Terminal is used to indicate using radio resource control RRC signaling The target MCS table of middle element mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table belongs to the second class table, second class Table only includes a table.
Optionally, the step of MCS table indication field is defined in Downlink Control Information DCI include:
At least 2 bits are defined in Downlink Control Information DCI；Terminal is used to indicate using radio resource control RRC signaling The target MCS table of middle element mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table Lattice；Or
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table Lattice；
Wherein, the first MCS table in the second class table is that the reliable ultralow time delay of superelevation communicates in URLLC business 10-5MCS table corresponding to target Block Error Rate BLER, the 2nd MCS table in the second class table are in URLLC business 10-1MCS table corresponding to target BLER.
Optionally, the step of MCS table indication field is defined in Downlink Control Information DCI include:
At least 2 bits are defined in Downlink Control Information DCI；Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in first kind table Lattice；Or
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table Lattice；Or
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table Lattice；
Wherein, the first MCS table in the first kind table be 64 quadrature amplitude modulation QAM MCS lattice, described first The 2nd MCS table in class table is 256QAM MCS table, and the first MCS table in the second class table is that superelevation is reliable Ultralow time delay communicates 10 in URLLC business-5MCS table corresponding to target Block Error Rate BLER, in the second class table 2nd MCS table is 10 in URLLC business-1MCS table corresponding to target BLER.
Optionally, the bit of definition belongs to portions of bandwidth instruction BWP indicator field, frequency domain resource distribution Frequency-domain RA field, time-domain resource distribute Time-domain RA field, Physical Resource Block bundle size PRB Bundling size field, Modulation and Coding Scheme Modulation and coding scheme field, mixed automatic retransfer into Journey HARQ process number field, physical uplink control channel resource indicate PUCCH resource indicator The instruction PDSCH-to-HARQ feedback indicator that field, Physical Downlink Shared Channel to mixed automatic retransfer are fed back Field, transmission configuration indicate TCI field, demodulated reference signal sequence initialization DMRS sequence initialization word Section or DCI in new field.
The embodiment of the invention also provides a kind of base station, including memory, processor, transceiver and it is stored in the storage On device and the computer program that can run on the processor；The processor performs the steps of when executing described program
MCS table indication field is defined in Downlink Control Information DCI, forms physical downlink control channel PDCCH, it is described MCS table indication field is used to indicate target MCS table, and target MCS table belongs to first kind table or the second class table；
The PDCCH to be formed is sent to terminal by the transceiver.
Optionally, the first kind table is the MCS table for enhancing mobile broadband eMBB business；The second class table is The MCS table of the reliable ultralow time delay communication URLLC business of superelevation.
Optionally, the processor is specifically used for:
At least 1 bit is defined in Downlink Control Information DCI；Terminal is used to indicate using radio resource control RRC signaling The target MCS table of middle element mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using the target MCS table of new field instruction in RRC signaling, the target MCS table category In the second class table.
Optionally, the processor is also used to:
Before defining MCS table indication field in Downlink Control Information DCI, the new field in RRC signaling, for referring to Show the first MCS table or the 2nd MCS table of the second class table；
Wherein, the first MCS table of the second class table is that the reliable ultralow time delay of superelevation communicates 10 in URLLC business-5 MCS table corresponding to target Block Error Rate BLER, the 2nd MCS table of the second class table are 10 in URLLC business-1Mesh Mark MCS table corresponding to BLER.
Optionally, the processor is specifically used for:
At least 1 bit is defined in Downlink Control Information DCI；Terminal is used to indicate using radio resource control RRC signaling The target MCS table of middle element mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table belongs to the second class table, second class Table only includes a table.
Optionally, the processor is specifically used for:
At least 2 bits are defined in Downlink Control Information DCI；Terminal is used to indicate using radio resource control RRC signaling The target MCS table of middle element mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table Lattice；Or
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table Lattice；
Wherein, the first MCS table in the second class table is that the reliable ultralow time delay of superelevation communicates in URLLC business 10-5MCS table corresponding to target Block Error Rate BLER, the 2nd MCS table in the second class table are in URLLC business 10-1MCS table corresponding to target BLER.
Optionally, the processor is specifically used for:
At least 2 bits are defined in Downlink Control Information DCI；Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in first kind table Lattice；Or
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table Lattice；Or
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table Lattice；
Wherein, the first MCS table in the first kind table be 64 quadrature amplitude modulation QAM MCS lattice, described first The 2nd MCS table in class table is 256QAM MCS table, and the first MCS table in the second class table is that superelevation is reliable Ultralow time delay communicates 10 in URLLC business-5MCS table corresponding to target Block Error Rate BLER, in the second class table 2nd MCS table is 10 in URLLC business-1MCS table corresponding to target BLER.
Optionally, the bit of definition belongs to portions of bandwidth instruction BWP indicator field, frequency domain resource distribution Frequency-domain RA field, time-domain resource distribute Time-domain RA field, Physical Resource Block bundle size PRB Bundling size field, Modulation and Coding Scheme Modulation and coding scheme field, mixed automatic retransfer into Journey HARQ process number field, physical uplink control channel resource indicate PUCCH resource indicator The instruction PDSCH-to-HARQ feedback indicator that field, Physical Downlink Shared Channel to mixed automatic retransfer are fed back Field, transmission configuration indicate TCI field, demodulated reference signal sequence initialization DMRS sequence initialization word Section or DCI in new field.
The embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the journey The step of indicating means of above-mentioned modulation and coding strategy MCS table is realized when sequence is executed by processor.
The embodiment of the invention also provides the instruction devices of a kind of modulation and coding strategy MCS table, comprising:
First processing module forms physical down for defining MCS table indication field in Downlink Control Information DCI Control channel PDCCH, the MCS table indication field are used to indicate target MCS table, and target MCS table belongs to first kind table Lattice or the second class table；
First sending module, for sending the PDCCH to be formed to terminal.
Optionally, the first kind table is the MCS table for enhancing mobile broadband eMBB business；The second class table is The MCS table of the reliable ultralow time delay communication URLLC business of superelevation.
Optionally, it is described first processing include:
First processing submodule, for defining at least 1 bit in Downlink Control Information DCI；It is used to indicate terminal use The target MCS table that element mcs-Table is indicated in radio resource control RRC signaling, the target MCS table belong to the first kind Table；Or
Terminal is used to indicate using the target MCS table of new field instruction in RRC signaling, the target MCS table category In the second class table.
Optionally, the instruction device further include:
Second processing module, for before defining MCS table indication field in Downlink Control Information DCI, in RRC signaling Middle new field is used to indicate the first MCS table or the 2nd MCS table of the second class table；
Wherein, the first MCS table of the second class table is that the reliable ultralow time delay of superelevation communicates 10 in URLLC business-5 MCS table corresponding to target Block Error Rate BLER, the 2nd MCS table of the second class table are 10 in URLLC business-1Mesh Mark MCS table corresponding to BLER.
Optionally, the first processing module includes:
Second processing submodule, for defining at least 1 bit in Downlink Control Information DCI；It is used to indicate terminal use The target MCS table that element mcs-Table is indicated in radio resource control RRC signaling, the target MCS table belong to the first kind Table；Or
Terminal is used to indicate using target MCS table, the target MCS table belongs to the second class table, second class Table only includes a table.
Optionally, the first processing module includes:
Third handles submodule, for defining at least 2 bits in Downlink Control Information DCI；It is used to indicate terminal use The target MCS table that element mcs-Table is indicated in radio resource control RRC signaling, the target MCS table belong to the first kind Table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table Lattice；Or
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table Lattice；
Wherein, the first MCS table in the second class table is that the reliable ultralow time delay of superelevation communicates in URLLC business 10-5MCS table corresponding to target Block Error Rate BLER, the 2nd MCS table in the second class table are in URLLC business 10-1MCS table corresponding to target BLER.
Optionally, the first processing module includes:
Fourth process submodule, for defining at least 2 bits in Downlink Control Information DCI；It is used to indicate terminal use Target MCS table, the target MCS table are the first MCS table in first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in first kind table Lattice；Or
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table Lattice；Or
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table Lattice；
Wherein, the first MCS table in the first kind table be 64 quadrature amplitude modulation QAM MCS lattice, described first The 2nd MCS table in class table is 256QAM MCS table, and the first MCS table in the second class table is that superelevation is reliable Ultralow time delay communicates 10 in URLLC business-5MCS table corresponding to target Block Error Rate BLER, in the second class table 2nd MCS table is 10 in URLLC business-1MCS table corresponding to target BLER.
Optionally, the bit of definition belongs to portions of bandwidth instruction BWP indicator field, frequency domain resource distribution Frequency-domain RA field, time-domain resource distribute Time-domain RA field, Physical Resource Block bundle size PRB Bundling size field, Modulation and Coding Scheme Modulation and coding scheme field, mixed automatic retransfer into Journey HARQ process number field, physical uplink control channel resource indicate PUCCH resource indicator The instruction PDSCH-to-HARQ feedback indicator that field, Physical Downlink Shared Channel to mixed automatic retransfer are fed back Field, transmission configuration indicate TCI field, demodulated reference signal sequence initialization DMRS sequence initialization word Section or DCI in new field.
The advantageous effects of the above technical solutions of the present invention are as follows:
In above scheme, the modulation and the indicating means of coding strategy MCS table pass through in Downlink Control Information DCI MCS table indication field is defined, physical downlink control channel PDCCH is formed, the MCS table indication field is used to indicate target MCS table, target MCS table belong to first kind table or the second class table；The PDCCH to be formed is sent to terminal；To realize The purpose of dynamic instruction MCS table is capable of in base station when there are multiple business such as eMBB and URLLC.
Detailed description of the invention
Fig. 1 is the modulation of the embodiment of the present invention and the indicating means flow diagram of coding strategy MCS table；
Fig. 2 is the architecture of base station schematic diagram of the embodiment of the present invention；
Fig. 3 is the modulation of the embodiment of the present invention and the instruction device structural schematic diagram of coding strategy MCS table.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.
The present invention in view of the prior art in base station can not dynamic instruction aiming at the problem that MCS table of multiple business, mention For the indicating means of a kind of modulation and coding strategy MCS table, as shown in Figure 1, comprising:
Step 11: defining MCS table indication field in Downlink Control Information DCI, form Physical Downlink Control Channel PDCCH, the MCS table indication field are used to indicate target MCS table, and target MCS table belongs to first kind table or second Class table；
Step 12: the PDCCH to be formed is sent to terminal.
The modulation provided in an embodiment of the present invention and the indicating means of coding strategy MCS table are believed by controlling in downlink MCS table indication field is defined in breath DCI, forms physical downlink control channel PDCCH, the MCS table indication field is used for Indicate that target MCS table, target MCS table belong to first kind table or the second class table；The PDCCH to be formed is sent to terminal； To realize the purpose that dynamic instruction MCS table is capable of in base station when there are multiple business such as eMBB and URLLC.
Wherein, the first kind table can be the MCS table of enhancing mobile broadband eMBB business；The second class table can The MCS table of URLLC business is communicated for the reliable ultralow time delay of superelevation.
In the embodiment of the present invention for defined in Downlink Control Information DCI MCS table indication field operation provide with Under several specific implementations, but be not limited thereto:
The first, the step of MCS table indication field is defined in Downlink Control Information DCI includes: to control to believe in downlink At least 1 bit is defined in breath DCI；Terminal is used to indicate using element mcs-Table instruction in radio resource control RRC signaling Target MCS table, the target MCS table belong to first kind table；Or terminal is used to indicate using added word in RRC signaling The target MCS table of section instruction, the target MCS table belong to the second class table.
Further, before MCS table indication field is defined in Downlink Control Information DCI, the indicating means is also wrapped Include: the new field in RRC signaling is used to indicate the first MCS table or the 2nd MCS table of the second class table；Wherein, described First MCS table of the second class table is that the reliable ultralow time delay of superelevation communicates 10 in URLLC business-5Target Block Error Rate BLER institute Corresponding MCS table, the 2nd MCS table of the second class table are 10 in URLLC business-1MCS corresponding to target BLER Table.
Second, the step of MCS table indication field is defined in Downlink Control Information DCI includes: to control to believe in downlink At least 1 bit is defined in breath DCI；Terminal is used to indicate using element mcs-Table instruction in radio resource control RRC signaling Target MCS table, the target MCS table belong to first kind table；Or terminal is used to indicate using target MCS table, institute It states target MCS table and belongs to the second class table, the second class table only includes a table.
Instruction terminal uses the case where target MCS table, it can be understood as instruction be terminal using the second class table (and Second class table only one table, is also no longer needed for additional index), it is understood that it is for instruction is directly target The MCS table index (directly indicating using which table) of MCS table.
The third, the step of MCS table indication field is defined in Downlink Control Information DCI includes: to control to believe in downlink At least 2 bits are defined in breath DCI；Terminal is used to indicate using element mcs-Table instruction in radio resource control RRC signaling Target MCS table, the target MCS table belong to first kind table；Or terminal is used to indicate using target MCS table, institute Stating target MCS table is the first MCS table in the second class table；Or be used to indicate terminal and use target MCS table, it is described Target MCS table is the 2nd MCS table in the second class table；
Wherein, the first MCS table in the second class table is that the reliable ultralow time delay of superelevation communicates in URLLC business 10-5MCS table corresponding to target Block Error Rate BLER, the 2nd MCS table in the second class table are in URLLC business 10-1MCS table corresponding to target BLER.
Instruction terminal use target MCS table the case where, it can be understood as instruction be directly target MCS table MCS Which table is table index (directly indicate using).
4th kind, the step of MCS table indication field is defined in Downlink Control Information DCI includes: to control to believe in downlink At least 2 bits are defined in breath DCI；Terminal is used to indicate using target MCS table, the target MCS table is first kind table In the first MCS table；Or terminal is used to indicate using target MCS table, the target MCS table is in first kind table The 2nd MCS table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table Lattice；Or terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table Lattice；
Wherein, the first MCS table in the first kind table be 64 quadrature amplitude modulation QAM MCS lattice, described first The 2nd MCS table in class table is 256 QAM MCS tables, and the first MCS table in the second class table is that superelevation can 10 in ultralow time delay communication URLLC business-5MCS table corresponding to target Block Error Rate BLER, in the second class table The 2nd MCS table be URLLC business in 10-1MCS table corresponding to target BLER.
Instruction terminal use target MCS table the case where, it can be understood as instruction be directly target MCS table MCS Which table is table index (directly indicate using).
In above-mentioned four kinds of specific implementations, the bit of definition can belong to portions of bandwidth instruction BWP indicator field, Frequency domain resource distributes Frequency-domain RA field, time-domain resource distributes Time-domain RA field, Physical Resource Block Bundle size PRB bundling size field, is mixed at Modulation and Coding Scheme Modulation and coding scheme field Close automatic repeat request (HARQ) number HARQ process number field, physical uplink control channel resource indicates PUCCH The instruction PDSCH-to-HARQ that resource indicator field, Physical Downlink Shared Channel to mixed automatic retransfer are fed back Feedback indicator field, transmission configuration indicate TCI field, demodulated reference signal sequence initialization DMRS New field in sequence initialization field or DCI.
The indicating means of the modulation provided in an embodiment of the present invention and coding strategy MCS table is carried out below further Explanation.
In view of the above technical problems, the embodiment of the invention provides the instruction sides of a kind of modulation and coding strategy MCS table Method, comprising: transmitting terminal (base station) is sent to the PDCCH of receiving end (terminal) one, one be used to indicate in various MCS tables (instruction target MCS table), various MCS tables include the MCS table (first kind table) and the second class business of first kind business MCS table (the second class table).
Specific first kind business can be eMBB business, and the second class business can be URLLC business.
Seven kinds of specific implementations are given below for scheme provided in an embodiment of the present invention, but are not limited thereto.
Mode one: in the field (the existing field of DCI) of current DCI, at least 1 bit is selected, being used to indicate is to use RRC The MCS table (N1-64QAM or N2-256QAM) that element mcs-Table is indicated in signaling, or the MCS table with URLLC business Lattice, the MCS table of URLLC business only supports one kind, i.e., corresponding 10 here-5The MCS table of the channel quality indicator (CQI) of target BLER Lattice (N3).
Wherein, the bit of selection may belong to portions of bandwidth instruction BWP indicator field, frequency domain resource distribution Frequency-domain RA field, time-domain resource distribute Time-domain RA field, Physical Resource Block bundle size PRB Bundling size field, Modulation and Coding Scheme Modulation and coding scheme field, mixed automatic retransfer into Journey HARQ process number field, physical uplink control channel resource indicate PUCCH resource indicator The instruction PDSCH-to-HARQ feedback indicator that field, Physical Downlink Shared Channel to mixed automatic retransfer are fed back Field, transmission configuration indicate TCI field, demodulated reference signal sequence initialization DMRS sequence initialization word Section etc.；
Selection be 1 bit when, generally use highest summation of weighted bits MSB bit (one bit of highest).
Mode one specific to MCS table in NR standard there are three the case where, MCS table specifically includes N1-64QAM table Corresponding 10 in lattice, N2-256QAM table and URLLC business-5The MCS table (N3) of the channel quality indicator (CQI) of target BLER.
The content of at least 1 bit carrying of selection can be indexed to element mcs-Table, can also be directly as MCS table rope Draw, is indexed to the MCS table of URLLC business.
Mode two: in the field (the existing field of DCI) of current DCI, at least 2 bits are selected, instruction is to use RRC signaling MCS table (N1-64QAM or N2-256QAM) the i.e. N1 or N2 of middle element mcs-Table instruction, or with URLLC business MCS table one (the first MCS table of the second class table) i.e. N3 or (the second class table of MCS table two for using URLLC business The 2nd MCS table) i.e. N4.
Wherein, the bit of selection may belong to BWP indicator field, Time-domain RA field, HARQ Process number field, TCI field etc.；
Selection be 2 bit when, generally using MSB dibit (highest dibit, that is, rank first highest weighting The bit of position bit and time high summation of weighted bits of ranking second).
Mode two specific to MCS table in NR standard there are four the case where, MCS table specifically includes N1-64QAM table Lattice, N2-256QAM table, corresponding 10 in URLLC business-5The MCS table (N3) of the channel quality indicator (CQI) of target BLER and Corresponding 10 in URLLC business-1The MCS table (N4) of the channel quality indicator (CQI) of target BLER.
The content of at least 2 bits carrying of selection can be indexed to element mcs-Table, can also be directly as MCS table rope Draw, be indexed to the MCS table one of URLLC business, or is indexed to the MCS table two of URLLC business.
Mode three: in the field (the existing field of DCI) of current DCI, at least 2 bits are selected, instruction is to use the first kind The first MCS table (64QAM) i.e. N1 of table, the 2nd MCS table (256QAM) i.e. N2, URLLC business of first kind table The MCS table two of MCS table one (the first MCS table of the second class table) i.e. N3, still URLLC business be (the second class table 2nd MCS table) i.e. N4.
Wherein, the bit of selection may belong to BWP indicator field, Time-domain RA field, HARQ Process number field, TCI field etc.；
Selection be 2 bit when, generally using MSB dibit (highest dibit, that is, rank first highest weighting The bit of position bit and time high summation of weighted bits of ranking second).
Mode three specific to MCS table in NR standard there are four the case where, MCS table specifically includes N1-64QAM table Lattice, N2-256QAM table, corresponding 10 in URLLC business-5The MCS table (N3) of the channel quality indicator (CQI) of target BLER and Corresponding 10 in URLLC business-1The MCS table (N4) of the channel quality indicator (CQI) of target BLER.
The content of at least 2 bits carrying of selection can be indexed to N1-64QAM table, N2- directly as MCS table index The MCS table two of 256QAM table, the MCS table one of URLLC business or URLLC business.
Mode four: it increases MCS table indication field newly in current DCI, is at least 1 bit field, being used to indicate is to use RRC The MCS table (N1-64QAM or N2-256QAM) that element mcs-Table is indicated in signaling, or the MCS table with URLLC business Lattice, the MCS table of URLLC business only supports one kind, i.e., corresponding 10 here-5The MCS table of the channel quality indicator (CQI) of target BLER Lattice (N3).
Mode four specific to MCS table in NR standard there are three the case where, MCS table specifically includes N1-64QAM table Corresponding 10 in lattice, N2-256QAM table and URLLC business-5The MCS table (N3) of the channel quality indicator (CQI) of target BLER.
The content of newly-increased at least 1 bit carrying can be indexed to element mcs-Table, can also be directly as MCS table rope Draw, is indexed to the MCS table of URLLC business.
Mode five: it increases MCS table indication field newly in current DCI, is at least 2 bit fields, being used to indicate is to use RRC MCS table (64QAM or 256QAM) the i.e. N1 or N2 that element mcs-Table is indicated in signaling, or the MCS with URLLC business Table one (the first MCS table of the second class table) i.e. N3 or with the MCS table two of URLLC business (the of the second class table One MCS table) i.e. N4.
Mode five specific to MCS table in NR standard there are four the case where, MCS table specifically includes N1-64QAM table Lattice, N2-256QAM table, corresponding 10 in URLLC business-5The MCS table (N3) of the channel quality indicator (CQI) of target BLER and Corresponding 10 in URLLC business-1The MCS table (N4) of the channel quality indicator (CQI) of target BLER.
The content of newly-increased at least 2 bits carrying can be indexed to element mcs-Table, can also be directly as MCS table rope Draw, be indexed to the MCS table one of URLLC business, or is indexed to the MCS table two of URLLC business.
Mode six: increasing MCS table indication field newly in current DCI, be at least 2 bit fields, and being used to indicate is with the The 2nd MCS table (256QAM) i.e. N2, URLLC industry of the first MCS table (64QAM) i.e. N1 of a kind of table, first kind table (the second class table of MCS table two of MCS table one (the first MCS table of the second class table) i.e. N3 of business or URLLC business 2nd MCS table of lattice) i.e. N4.
Mode six specific to MCS table in NR standard there are four the case where, MCS table specifically includes N1-64QAM table Lattice, N2-256QAM table, corresponding 10 in URLLC business-5The MCS table (N3) of the channel quality indicator (CQI) of target BLER and Corresponding 10 in URLLC business-1The MCS table (N4) of the channel quality indicator (CQI) of target BLER.
The content of newly-increased at least 2 bits carrying can be indexed to N1-64QAM table, N2- directly as MCS table index The MCS table two of 256QAM table, the MCS table one of URLLC business or URLLC business.
Mode seven: MCS table indication field is defined in current DCI, and (having in field in DCI selects bit to be defined Or new field is defined), it is at least 1 bit field, being used to indicate is indicated with element mcs-Table in RRC signaling MCS (64QAM or 256QAM) i.e. N1 or N2, or RRC signaling in new field instruction URLLC business MCS table, that is, N3 Or N4.
Wherein, needing RRC signaling (can be specially Physical Downlink Shared Channel configuration PDSCH-config signaling or physically The shared channel configuration PUSCH-config signaling of row) in (element of newly-increased similar mcs-Table) instruction be URLLC business MCS table one is the MCS table two i.e. N4 of N3 or URLLC business.
Having the bit selected in field in DCI may belong to BWP indicator field, Time-domain RA word Section, HARQ process number field, TCI field etc.；
Selection be 1 bit when, generally use highest summation of weighted bits MSB bit (one bit of highest).
Mode seven specific to MCS table in NR standard there are four the case where, MCS table specifically includes N1-64QAM table Lattice, N2-256QAM table, corresponding 10 in URLLC business-5The MCS table (N3) of the channel quality indicator (CQI) of target BLER and Corresponding 10 in URLLC business-1The MCS table (N4) of the channel quality indicator (CQI) of target BLER.
The content of at least 1 bit carrying of selection can be indexed to element mcs-Table, and (element mcs-Table is used to indicate N1 or N2), new field in RRC signaling can also be indexed to (new field is used to indicate N3 or N4).
It is illustrated below for aforesaid way one.
(1) base station sends PDCCH to UE, for dispatching the transmission of PDSCH PUSCH data；
(2) in the field of current DCI, selection HARQ process number field, 1 bit of its MSB of reselection, Remaining 3 bit is still used to indicate HARQ process number.
(3) this bit selected, can value be " 0 ", be used to indicate terminal using indicating in element mcs-Table One in MCS table (i.e. the content that element mcs-Table is carried is used as MCS table index), i.e. 64QAM or 256QAM, Specially which, PDSCH-config signaling can be configured by Physical Downlink Shared Channel or Physical Uplink Shared Channel configures The element IE of entitled mcs-Table carrys out semi-static instruction in PUSCH-config.
(4) select this bit, can also value be " 1 ", be used to indicate terminal use URLLC business MCS table, this In URLLC business MCS table be 10-5MCS table corresponding to the CQI of target BLER.
(5) UE is according to obtained MCS table, when detecting MCS index (the MCS value index) in PDCCH, so that it may Accurate MCS value is known according to MCS table and MCS index.
Wherein, UE can make an appointment with base station obtains MCS table index in which field, and UE is directly obtained after receiving PDCCH It takes, but is not limited thereto.
From the foregoing, it will be observed that the embodiment of the present invention provides, a kind of there are base station dynamic instructions when the multiple business such as eMBB and URLLC The method of MCS table: transmitting terminal is sent to the PDCCH of receiving end one, one be used to indicate in various MCS tables, including The MCS table of the MCS table of a kind of business and the second class business；To realize that base station dynamic instruction is directed to the MCS of multiple business The purpose of table.
The embodiment of the invention also provides a kind of base station, including memory, processor, transceiver and it is stored in the storage On device and the computer program that can run on the processor；The processor performs the steps of when executing described program
MCS table indication field is defined in Downlink Control Information DCI, forms physical downlink control channel PDCCH, it is described MCS table indication field is used to indicate target MCS table, and target MCS table belongs to first kind table or the second class table；
The PDCCH to be formed is sent to terminal by the transceiver.
The base station provided in an embodiment of the present invention by defining MCS table indication field in Downlink Control Information DCI, Physical downlink control channel PDCCH is formed, the MCS table indication field is used to indicate target MCS table, target MCS table Belong to first kind table or the second class table；The PDCCH to be formed is sent to terminal；To realize there are eMBB and URLLC The purpose of dynamic instruction MCS table is capable of in base station when equal multiple business.
Specifically can as shown in Fig. 2, the embodiment of the present invention base station, comprising:
Processor 21；And the memory 23 being connected by bus interface 22 with the processor 21, the memory 23 for storing the processor 21 used program and data when executing operation, when processor 21 calls and executes described When the program and data that are stored in memory 23, following process is executed:
MCS table indication field is defined in Downlink Control Information DCI, forms physical downlink control channel PDCCH, it is described MCS table indication field is used to indicate target MCS table, and target MCS table belongs to first kind table or the second class table；
The PDCCH to be formed is sent to terminal by the transceiver 24.
Wherein, transceiver 24 is connect with bus interface 22, for sending and receiving data under the control of processor 21.
It should be noted that bus architecture may include the bus and bridge of any number of interconnection in Fig. 2, specifically by The various circuits for the memory that the one or more processors and memory 23 that processor 21 represents represent link together.Bus Framework can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, These are all it is known in the art, and therefore, it will not be further described herein.Bus interface provides interface.Transmitting-receiving Machine 24 can be multiple element, that is, includes transmitter and transceiver, provide for logical with various other devices over a transmission medium The unit of letter.Processor 21, which is responsible for management bus architecture and common processing, memory 23, can store processor 21 and is executing Used data when operation.
It will be understood by those skilled in the art that realize above-described embodiment all or part of step can by hardware come It completes, relevant hardware can also be indicated by computer program to complete, the computer program includes executing above-mentioned side The instruction of some or all of step of method；And the computer program can store in a readable storage medium storing program for executing, storage medium It may be any type of storage medium.
Wherein, the first kind table can be the MCS table of enhancing mobile broadband eMBB business；The second class table can The MCS table of URLLC business is communicated for the reliable ultralow time delay of superelevation.
In the embodiment of the present invention for defined in Downlink Control Information DCI MCS table indication field operation provide with Under several specific implementations, but be not limited thereto:
The first, the processor is specifically used for: at least 1 bit is defined in Downlink Control Information DCI；It is used to indicate end The target MCS table that end is indicated using element mcs-Table in radio resource control RRC signaling, the target MCS table belong to First kind table；Or terminal is used to indicate using the target MCS table of new field instruction in RRC signaling, the target MCS Table belongs to the second class table.
Further, the processor is also used to: before defining MCS table indication field in Downlink Control Information DCI, The new field in RRC signaling is used to indicate the first MCS table or the 2nd MCS table of the second class table；Wherein, described First MCS table of two class tables is that the reliable ultralow time delay of superelevation communicates 10 in URLLC business-5Target Block Error Rate BLER institute is right The MCS table answered, the 2nd MCS table of the second class table are 10 in URLLC business-1MCS table corresponding to target BLER Lattice.
Second, the processor is specifically used for: at least 1 bit is defined in Downlink Control Information DCI；It is used to indicate end The target MCS table that end is indicated using element mcs-Table in radio resource control RRC signaling, the target MCS table belong to First kind table；Or terminal is used to indicate using target MCS table, the target MCS table belongs to the second class table, described Second class table only includes a table.
The third, the processor is specifically used for: at least 2 bits are defined in Downlink Control Information DCI；It is used to indicate end The target MCS table that end is indicated using element mcs-Table in radio resource control RRC signaling, the target MCS table belong to First kind table；Or it is used to indicate terminal using target MCS table, the target MCS table is the in the second class table One MCS table；Or terminal is used to indicate using target MCS table, the target MCS table is second in the second class table MCS table；
Wherein, the first MCS table in the second class table is that the reliable ultralow time delay of superelevation communicates in URLLC business 10-5MCS table corresponding to target Block Error Rate BLER, the 2nd MCS table in the second class table are in URLLC business 10-1MCS table corresponding to target BLER.
4th kind, the processor is specifically used for: at least 2 bits are defined in Downlink Control Information DCI；It is used to indicate end End uses target MCS table, and the target MCS table is the first MCS table in first kind table；Or it is used to indicate terminal Using target MCS table, the target MCS table is the 2nd MCS table in first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table Lattice；Or terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table Lattice；
Wherein, the first MCS table in the first kind table be 64 quadrature amplitude modulation QAM MCS lattice, described first The 2nd MCS table in class table is 256 QAM MCS tables, and the first MCS table in the second class table is that superelevation can 10 in ultralow time delay communication URLLC business-5MCS table corresponding to target Block Error Rate BLER, in the second class table The 2nd MCS table be URLLC business in 10-1MCS table corresponding to target BLER.
In above-mentioned four kinds of specific implementations, the bit of definition can belong to portions of bandwidth instruction BWP indicator field, Frequency domain resource distributes Frequency-domain RA field, time-domain resource distributes Time-domain RA field, Physical Resource Block Bundle size PRB bundling size field, is mixed at Modulation and Coding Scheme Modulation and coding scheme field Close automatic repeat request (HARQ) number HARQ process number field, physical uplink control channel resource indicates PUCCH The instruction PDSCH-to-HARQ that resource indicator field, Physical Downlink Shared Channel to mixed automatic retransfer are fed back Feedback indicator field, transmission configuration indicate TCI field, demodulated reference signal sequence initialization DMRS New field in sequence initialization field or DCI.
The embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the journey The step of indicating means of above-mentioned modulation and coding strategy MCS table is realized when sequence is executed by processor.
Wherein, the realization embodiment of the indicating means of above-mentioned modulation and coding strategy MCS table is suitable for the meter In the embodiment of calculation machine readable storage medium storing program for executing, it can also reach identical technical effect.
The embodiment of the invention also provides the instruction devices of a kind of modulation and coding strategy MCS table, as shown in figure 3, packet It includes:
First processing module 31 is formed under physics for defining MCS table indication field in Downlink Control Information DCI Row control channel PDCCH, the MCS table indication field are used to indicate target MCS table, and target MCS table belongs to the first kind Table or the second class table；
First sending module 32, for sending the PDCCH to be formed to terminal.
The modulation provided in an embodiment of the present invention and the instruction device of coding strategy MCS table are believed by controlling in downlink MCS table indication field is defined in breath DCI, forms physical downlink control channel PDCCH, the MCS table indication field is used for Indicate that target MCS table, target MCS table belong to first kind table or the second class table；The PDCCH to be formed is sent to terminal； To realize the purpose that dynamic instruction MCS table is capable of in base station when there are multiple business such as eMBB and URLLC.
Wherein, the first kind table can be the MCS table of enhancing mobile broadband eMBB business；The second class table can The MCS table of URLLC business is communicated for the reliable ultralow time delay of superelevation.
In the embodiment of the present invention for defined in Downlink Control Information DCI MCS table indication field operation provide with Under several specific implementations, but be not limited thereto:
The first, it is described first processing include: the first processing submodule, for defined in Downlink Control Information DCI to Few 1 bit；It is used to indicate the target MCS table that terminal is indicated using element mcs-Table in radio resource control RRC signaling, The target MCS table belongs to first kind table；Or terminal is used to indicate using the target of new field instruction in RRC signaling MCS table, the target MCS table belong to the second class table.
Further, the instruction device further include: Second processing module, for being defined in Downlink Control Information DCI Before MCS table indication field, the new field in RRC signaling is used to indicate the first MCS table or second of the second class table MCS table；Wherein, the first MCS table of the second class table is that the reliable ultralow time delay of superelevation communicates 10 in URLLC business-5 MCS table corresponding to target Block Error Rate BLER, the 2nd MCS table of the second class table are 10 in URLLC business-1Mesh Mark MCS table corresponding to BLER.
Second, the first processing module includes: second processing submodule, for fixed in Downlink Control Information DCI Adopted at least 1 bit；Terminal is used to indicate using the target MCS table of element mcs-Table instruction in radio resource control RRC signaling Lattice, the target MCS table belong to first kind table；Or terminal is used to indicate using target MCS table, the target MCS Table belongs to the second class table, and the second class table only includes a table.
The third, the first processing module includes: third processing submodule, for fixed in Downlink Control Information DCI Adopted at least 2 bits；Terminal is used to indicate using the target MCS table of element mcs-Table instruction in radio resource control RRC signaling Lattice, the target MCS table belong to first kind table；Or terminal is used to indicate using target MCS table, the target MCS Table is the first MCS table in the second class table；Or terminal is used to indicate using target MCS table, the target MCS table Lattice are the 2nd MCS table in the second class table；
Wherein, the first MCS table in the second class table is that the reliable ultralow time delay of superelevation communicates in URLLC business 10-5MCS table corresponding to target Block Error Rate BLER, the 2nd MCS table in the second class table are in URLLC business 10-1MCS table corresponding to target BLER.
4th kind, the first processing module includes: fourth process submodule, for fixed in Downlink Control Information DCI Adopted at least 2 bits；Terminal is used to indicate using target MCS table, the target MCS table is first in first kind table MCS table；Or terminal is used to indicate using target MCS table, the target MCS table is second in first kind table MCS table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table Lattice；Or terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table Lattice；
Wherein, the first MCS table in the first kind table be 64 quadrature amplitude modulation QAM MCS lattice, described first The 2nd MCS table in class table is 256QAM MCS table, and the first MCS table in the second class table is that superelevation is reliable Ultralow time delay communicates 10 in URLLC business-5MCS table corresponding to target Block Error Rate BLER, in the second class table 2nd MCS table is 10 in URLLC business-1MCS table corresponding to target BLER.
In above-mentioned four kinds of specific implementations, the bit of definition can belong to portions of bandwidth instruction BWP indicator field, Frequency domain resource distributes Frequency-domain RA field, time-domain resource distributes Time-domain RA field, Physical Resource Block Bundle size PRB bundling size field, is mixed at Modulation and Coding Scheme Modulation and coding scheme field Close automatic repeat request (HARQ) number HARQ process number field, physical uplink control channel resource indicates PUCCH The instruction PDSCH-to-HARQ that resource indicator field, Physical Downlink Shared Channel to mixed automatic retransfer are fed back Feedback indicator field, transmission configuration indicate TCI field, demodulated reference signal sequence initialization DMRS New field in sequence initialization field or DCI.
Wherein, the realization embodiment of the indicating means of above-mentioned modulation and coding strategy MCS table is suitable for the tune System can also reach identical technical effect with the embodiment of the instruction device of coding strategy MCS table.
It should be noted that this many functional component described in this description is all referred to as module/submodule, so as to more Add the independence for particularly emphasizing its implementation.
In the embodiment of the present invention, module/submodule can use software realization, to be executed by various types of processors. For example, the executable code module of a mark may include the one or more physics or logic of computer instruction Block, for example, it can be built as object, process or function.Nevertheless, the executable code of institute's mark module is not necessarily to It is physically located together, but may include the different instructions being stored in different positions, combined when in these command logics When together, constitutes module and realize the regulation purpose of the module.
In fact, executable code module can be the either many item instructions of individual instructions, and can even be distributed It on multiple and different code segments, is distributed in distinct program, and is distributed across multiple memory devices.Similarly, it grasps Making data can be identified in module, and can realize according to any form appropriate and be organized in any appropriate class In the data structure of type.The operation data can be used as individual data collection and be collected, or can be distributed on different location (including in different storage device), and at least partly can only be present in system or network as electronic signal.
When module can use software realization, it is contemplated that the level of existing hardware technique, it is possible to implemented in software Module, without considering the cost, those skilled in the art can build corresponding hardware circuit to realize correspondence Function, the hardware circuit includes conventional ultra-large integrated (VLSI) circuit or gate array and such as logic core The existing semiconductor of piece, transistor etc either other discrete elements.Module can also use programmable hardware device, such as Field programmable gate array, programmable logic array, programmable logic device etc. are realized.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come It says, under the premise of not departing from principle of the present invention, can also make several improvements and retouch, these improvements and modifications should also regard For protection scope of the present invention.

Claims (19)

1. a kind of indicating means of modulation and coding strategy MCS table characterized by comprising
MCS table indication field is defined in Downlink Control Information DCI, forms physical downlink control channel PDCCH, the MCS Table indication field is used to indicate target MCS table, and target MCS table belongs to first kind table or the second class table；
The PDCCH to be formed is sent to terminal.
2. indicating means according to claim 1, which is characterized in that the first kind table is enhancing mobile broadband eMBB The MCS table of business；The second class table is the MCS table that the reliable ultralow time delay of superelevation communicates URLLC business.
3. indicating means according to claim 1, which is characterized in that define MCS table in Downlink Control Information DCI and refer to The step of showing field include:
At least 1 bit is defined in Downlink Control Information DCI；Terminal is used to indicate using member in radio resource control RRC signaling The target MCS table of plain mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using the target MCS table of new field instruction in RRC signaling, the target MCS table belongs to the Two class tables.
4. indicating means according to claim 3, which is characterized in that define MCS table in Downlink Control Information DCI and refer to Before showing field, the indicating means further include:
The new field in RRC signaling is used to indicate the first MCS table or the 2nd MCS table of the second class table；
Wherein, the first MCS table of the second class table is that the reliable ultralow time delay of superelevation communicates 10 in URLLC business-5Target MCS table corresponding to BLER(block error rate) BLER, the 2nd MCS table of the second class table are 10 in URLLC business-1Target MCS table corresponding to BLER.
5. indicating means according to claim 1, which is characterized in that define MCS table in Downlink Control Information DCI and refer to The step of showing field include:
At least 1 bit is defined in Downlink Control Information DCI；Terminal is used to indicate using member in radio resource control RRC signaling The target MCS table of plain mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table belongs to the second class table, the second class table It only include a table.
6. indicating means according to claim 1, which is characterized in that define MCS table in Downlink Control Information DCI and refer to The step of showing field include:
At least 2 bits are defined in Downlink Control Information DCI；Terminal is used to indicate using member in radio resource control RRC signaling The target MCS table of plain mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table；Or Person
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table；
Wherein, the first MCS table in the second class table is that the reliable ultralow time delay of superelevation communicates 10 in URLLC business-5Mesh MCS table corresponding to BLER(block error rate) BLER is marked, the 2nd MCS table in the second class table is 10 in URLLC business-1Mesh Mark MCS table corresponding to BLER.
7. indicating means according to claim 1, which is characterized in that define MCS table in Downlink Control Information DCI and refer to The step of showing field include:
At least 2 bits are defined in Downlink Control Information DCI；Terminal is used to indicate using target MCS table, the target MCS Table is the first MCS table in first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in first kind table；Or Person
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table；Or Person
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table；
Wherein, the first MCS table in the first kind table is 64 quadrature amplitude modulation QAM MCS lattice, the first kind table The 2nd MCS table in lattice is 256 QAM MCS tables, and the first MCS table in the second class table is that superelevation reliably surpasses Low time delay communicates 10 in URLLC business-5MCS table corresponding to target Block Error Rate BLER, in the second class table Two MCS tables are 10 in URLLC business-1MCS table corresponding to target BLER.
8. according to indicating means described in claim 3,5,6 or 7, which is characterized in that the bit of definition belongs to portions of bandwidth and refers to Show BWP indicator field, frequency domain resource distribution Frequency-domain RA field, time-domain resource distribution Time- Domain RA field, Physical Resource Block bundle size PRB bundling size field, Modulation and Coding Scheme Modulation And coding scheme field, hybrid automatic repeat request (HARQ) number HARQ process number field, physical uplink control Channel resource instruction PUCCH resource indicator field, Physical Downlink Shared Channel to mixed automatic retransfer are fed back Indicate that PDSCH-to-HARQ feedback indicator field, transmission configuration indicate TCI field, demodulated reference signal sequence Initialize the new field in DMRS sequence initialization field or DCI.
9. a kind of base station, including memory, processor, transceiver and it is stored on the memory and can be on the processor The computer program of operation；It is characterized in that, the processor performs the steps of when executing described program
MCS table indication field is defined in Downlink Control Information DCI, forms physical downlink control channel PDCCH, the MCS Table indication field is used to indicate target MCS table, and target MCS table belongs to first kind table or the second class table；
The PDCCH to be formed is sent to terminal by the transceiver.
10. base station according to claim 9, which is characterized in that the first kind table is enhancing mobile broadband eMBB industry The MCS table of business；The second class table is the MCS table that the reliable ultralow time delay of superelevation communicates URLLC business.
11. base station according to claim 9, which is characterized in that the processor is specifically used for:
At least 1 bit is defined in Downlink Control Information DCI；Terminal is used to indicate using member in radio resource control RRC signaling The target MCS table of plain mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using the target MCS table of new field instruction in RRC signaling, the target MCS table belongs to the Two class tables.
12. base station according to claim 11, which is characterized in that the processor is also used to:
Before defining MCS table indication field in Downlink Control Information DCI, the new field in RRC signaling is used to indicate The first MCS table or the 2nd MCS table of two class tables；
Wherein, the first MCS table of the second class table is that the reliable ultralow time delay of superelevation communicates 10 in URLLC business-5Target MCS table corresponding to BLER(block error rate) BLER, the 2nd MCS table of the second class table are 10 in URLLC business-1Target MCS table corresponding to BLER.
13. base station according to claim 9, which is characterized in that the processor is specifically used for:
At least 1 bit is defined in Downlink Control Information DCI；Terminal is used to indicate using member in radio resource control RRC signaling The target MCS table of plain mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table belongs to the second class table, the second class table It only include a table.
14. base station according to claim 9, which is characterized in that the processor is specifically used for:
At least 2 bits are defined in Downlink Control Information DCI；Terminal is used to indicate using member in radio resource control RRC signaling The target MCS table of plain mcs-Table instruction, the target MCS table belong to first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table；Or Person
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table；
Wherein, the first MCS table in the second class table is that the reliable ultralow time delay of superelevation communicates 10 in URLLC business-5Mesh MCS table corresponding to BLER(block error rate) BLER is marked, the 2nd MCS table in the second class table is 10 in URLLC business-1Mesh Mark MCS table corresponding to BLER.
15. base station according to claim 9, which is characterized in that the processor is specifically used for:
At least 2 bits are defined in Downlink Control Information DCI；Terminal is used to indicate using target MCS table, the target MCS Table is the first MCS table in first kind table；Or
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in first kind table；Or Person
Terminal is used to indicate using target MCS table, the target MCS table is the first MCS table in the second class table；Or Person
Terminal is used to indicate using target MCS table, the target MCS table is the 2nd MCS table in the second class table；
Wherein, the first MCS table in the first kind table is 64 quadrature amplitude modulation QAM MCS lattice, the first kind table The 2nd MCS table in lattice is 256 QAM MCS tables, and the first MCS table in the second class table is that superelevation reliably surpasses Low time delay communicates 10 in URLLC business-5MCS table corresponding to target Block Error Rate BLER, in the second class table Two MCS tables are 10 in URLLC business-1MCS table corresponding to target BLER.
16. base station described in 1,13,14 or 15 according to claim 1, which is characterized in that the bit of definition belongs to portions of bandwidth and refers to Show BWP indicator field, frequency domain resource distribution Frequency-domain RA field, time-domain resource distribution Time- Domain RA field, Physical Resource Block bundle size PRB bundling size field, Modulation and Coding Scheme Modulation And coding scheme field, hybrid automatic repeat request (HARQ) number HARQ process number field, physical uplink control Channel resource instruction PUCCH resource indicator field, Physical Downlink Shared Channel to mixed automatic retransfer are fed back Indicate that PDSCH-to-HARQ feedback indicator field, transmission configuration indicate TCI field, demodulated reference signal sequence Initialize the new field in DMRS sequence initialization field or DCI.
17. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor The step of modulation as claimed in any one of claims 1 to 8 and the indicating means of coding strategy MCS table are realized when execution.
18. a kind of instruction device of modulation and coding strategy MCS table characterized by comprising
First processing module forms physical down control for defining MCS table indication field in Downlink Control Information DCI Channel PDCCH, the MCS table indication field are used to indicate target MCS table, target MCS table belong to first kind table or Second class table；
First sending module, for sending the PDCCH to be formed to terminal.
19. instruction device according to claim 18, which is characterized in that the first kind table is enhancing mobile broadband The MCS table of eMBB business；The second class table is the MCS table that the reliable ultralow time delay of superelevation communicates URLLC business.
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