CN109923925B

CN109923925B - Method and device used in terminal and base station for wireless communication

Info

Publication number: CN109923925B
Application number: CN201780069399.0A
Authority: CN
Inventors: 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2017-02-19
Filing date: 2017-02-19
Publication date: 2022-03-01
Anticipated expiration: 2037-02-19
Also published as: WO2018148952A1; CN109923925A

Abstract

The invention discloses a method and a device used in a terminal, a base station and wireless communication. The UE firstly executes channel coding; the first wireless signal is then transmitted. Wherein the bits in the first block of bits are used for the input of the channel coding. Some or all of the symbols in a first symbol block generated by performing modulation mapping on the channel coded output are used to generate the first wireless signal. The number of bits in the first bit block is Z, which is one of the candidate values of K candidate values, which are positive integers, and K is a positive integer greater than 1. The constellation pattern corresponding to at least one symbol in the first symbol block is related to the Z. Any two of the K candidate values are not equal. The first block of symbols includes a positive integer number of symbols. The method of the invention can reduce the complexity of blind detection of the UE on the control channel.

Description

Method and device used in terminal and base station for wireless communication

Technical Field

The present application relates to a method and an apparatus for transmitting a wireless signal in a wireless communication system, and more particularly, to a method and an apparatus for transmitting a wireless signal in a wireless communication system supporting channel coding.

Background

Different DCI (Downlink Control Information) formats in a conventional LTE (Long Term Evolution) system correspond to different numbers of coding bits, and a UE (User Equipment) performs blind detection on a Control channel carrying DCI according to all possible DCI formats corresponding to a current transmission mode. The receiving method of the control channel causes the number of blind detections on the UE side to increase when the possible number of bits candidates corresponding to the DCI increases.

Disclosure of Invention

The inventor finds that if the constellation pattern of the control channel is adjusted according to the DCI format, and different constellation patterns are adopted for different DCI formats, the number of blind detections on the UE side can be reduced. The UE may narrow the range of possible DCI formats on the current control channel, or even directly determine the DCI format on the current control channel, by trying all possible constellation patterns and finding the one with the largest likelihood probability.

In response to the above findings, the present application discloses a solution. It should be noted that, without conflict, the embodiments and features in the embodiments in the UE of the present application may be applied to the base station, and vice versa. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

The application discloses a method in a base station used for wireless communication, which comprises the following steps:

-step a. performing channel coding;

-step b.

Wherein the bits in the first block of bits are used for the input of the channel coding. Some or all of the symbols in a first symbol block generated by performing modulation mapping on the channel coded output are used to generate the first wireless signal. The number of bits in the first bit block is Z, which is one of the candidate values of K candidate values, which are positive integers, and K is a positive integer greater than 1. The constellation pattern corresponding to at least one symbol in the first symbol block is related to the Z. Any two of the K candidate values are not equal. The first block of symbols includes a positive integer number of symbols.

As an embodiment, the above method has a benefit of adjusting the constellation pattern corresponding to the symbol in the first symbol block according to the Z, so that the target receiver of the first wireless signal can narrow the range of the DCI format corresponding to the first bit block by determining the constellation pattern corresponding to the symbol in the first symbol block, and even directly determine the DCI format corresponding to the first bit block, thereby reducing the complexity of blind detection for the target receiver of the first wireless signal.

For one embodiment, the channel coding includes rate matching.

As an example, said correlating with said Z means: and the index of said Z among said K candidate values.

As an embodiment, the base station determines, according to the index of Z in the K candidate values, a Constellation pattern (Constellation pattern) corresponding to at least one symbol in the first symbol block.

As an embodiment, the target recipient of the first wireless signal determines Z from the K candidate values according to a constellation pattern corresponding to at least one symbol in the first symbol block.

As an embodiment, the constellation pattern corresponding to a part of the symbols in the first symbol block is related to Z, and the constellation pattern corresponding to the rest of the symbols in the first symbol block is not related to Z.

As an embodiment, the constellation patterns corresponding to all symbols in the first symbol block are related to Z.

As a sub-embodiment of the foregoing embodiment, the constellation patterns corresponding to all the symbols in the first symbol block are the same.

As a sub-embodiment of the foregoing embodiment, at least two symbols in the first symbol block have different constellation patterns.

As an embodiment, the symbols in the first symbol block are divided into Q symbol groups, each symbol group includes a positive integer number of the symbols, the constellation patterns corresponding to the symbols in each symbol group are the same, the constellation patterns corresponding to the symbols in different symbol groups are different, and Q is a positive integer.

As a sub-implementation of the foregoing embodiment, a constellation pattern corresponding to a symbol in Q1 symbol groups in the Q symbol groups is correlated with Z, a constellation pattern corresponding to a symbol in the symbol groups in the Q symbol groups that do not belong to the Q1 symbol groups is uncorrelated with Z, and Q1 is a positive integer less than or equal to Q.

As a sub-embodiment of the above embodiment, the Q1 is equal to the Q.

As a sub-embodiment of the above embodiment, Q is greater than 1 and Q1 is equal to Q-1.

As an embodiment, the Association (Association) between the constellation pattern corresponding to the symbols in the Q1 symbol groups and the Z is default (i.e. configuration without downlink signaling).

As an embodiment, for any symbol in the first symbol block, the number of Constellation points (Constellation points) included in a Constellation pattern corresponding to the any symbol is independent of Z.

As an embodiment, the number of constellation points included in the constellation pattern corresponding to all symbols in the first symbol block is the same.

As an embodiment, the constellation pattern does not comprise the number of constellation points.

As an embodiment, for any of the symbols in the first symbol block, the corresponding constellation pattern is obtained by rotating X-qam (quadrature Amplitude modulation) by Y degrees, where X is a positive integer power of 2, and an absolute value of Y is equal to or greater than 0.

As one embodiment, the X is the same for all symbols in the first symbol block

As one example, said Y is related to said Z.

As an embodiment, Y corresponding to symbols in the same symbol group is the same, and Y corresponding to symbols in different symbol groups is different.

As one embodiment, for any of the symbols in the Q1 symbol groups, the Z is used to determine the Y to which the any of the symbols corresponds.

As an embodiment, any symbol in the symbol groups of the Q symbol groups that do not belong to the Q1 symbol groups corresponds to a constellation pattern that is X-QAM, where X is a positive integer power of 2.

As an embodiment, the Z is used to determine a first sequence, the first sequence comprising Q elements, the Q elements and the Q symbol groups having a one-to-one correspondence, any one of the elements in the Q elements indicating the Y to which a symbol in the corresponding symbol group corresponds.

As a sub-embodiment of the above embodiment, the first sequence belongs to a first sequence set, the first sequence set includes a positive integer number of sequences, and an index of the first sequence in the first sequence set is related to Z.

As a sub-embodiment of the above embodiment, the index of Z in the K candidate values is related to the index of the first sequence in the first sequence set.

As an embodiment, X is equal to 4, and for any of the symbols in the first symbol block, the corresponding constellation pattern is obtained by rotating qpsk (quadrature Phase Shift keying) by Y degrees.

As an embodiment, the channel coded input comprises { all bits in the first block of bits, all bits in a second block of bits }, the values of all bits in the second block of bits being predetermined.

As a sub-embodiment of the above embodiment, all bits in the second bit block are 0.

As an embodiment, all bits in the first bit block constitute the input of the channel coding.

As an embodiment, the bits in the first bit block are arranged sequentially.

As an embodiment, the symbols in the first symbol block are arranged sequentially.

As an embodiment, the first symbol block is an output of the channel-coded output after sequentially passing through a Scrambling (Scrambling) and a Modulation Mapper (Modulation Mapper).

As one embodiment, all symbols in the first symbol block are used to generate the first wireless signal.

As an embodiment, a partial symbol in the first symbol block and a second symbol block are used to generate the first wireless signal.

As a sub-embodiment of the above embodiment, the second block of symbols comprises a reference signal.

As a sub-embodiment of the above embodiment, the second symbol block includes CSI-RS (Channel State Information references Signals).

As a sub-embodiment of the above embodiment, the second symbol block is independent of the first symbol block.

As an embodiment, the first radio signal is an output of all symbols in the first symbol block after sequentially passing through a Layer Mapper (Layer Mapper), a Precoding (Precoding), a Resource Element Mapper (Resource Element Mapper), and a wideband symbol Generation (Generation).

As an embodiment, the first wireless signal is an output of the partial symbols in the first symbol block and the second symbol block after the occurrence of the wideband symbol sequentially through a layer mapper, a precoding, a resource element mapper.

As an embodiment, the first wireless signal is an output of all symbols in the first symbol block after sequentially passing through a layer mapper, a conversion precoder (for generating a complex-valued signal), a precoding, a resource element mapper, and a wideband symbol generation.

As an embodiment, the first wireless signal is an output of the partial symbols in the first symbol block and the second symbol block after sequentially passing through a layer mapper, a conversion precoder, a precoding, a resource element mapper, and a wideband symbol generation.

As an embodiment, the wideband symbol is an OFDM (Orthogonal Frequency Division Multiplexing) symbol.

As an embodiment, the wideband symbol is an FBMC (Filter Bank Multi Carrier) symbol.

As one embodiment, the wideband symbol is a DFT-S-OFDM (Discrete Fourier Transform Spread OFDM) symbol.

As one embodiment, the channel coding is a polar code.

As an embodiment, the channel coding is one of { LDPC (Low Density Parity Check) code, turbo code, convolutional code }.

As an embodiment, the first wireless signal includes DCI (Downlink Control Information).

As an example, the first wireless signal is transmitted on a physical layer control channel (i.e., a physical layer channel that cannot be used to transmit physical layer data).

As a sub-embodiment of the foregoing embodiment, the first radio signal is transmitted on a PDCCH (Physical Downlink Control Channel).

As a sub-embodiment of the foregoing embodiment, the first wireless signal is transmitted on an sPDCCH (short PDCCH).

As a sub-embodiment of the foregoing embodiment, the first Radio signal is transmitted on a NR-PDCCH (New Radio PDCCH, New PDCCH) for New Radio physical downlink control signaling

As one embodiment, the first wireless signal is transmitted on a physical layer data channel (i.e., a physical layer channel that can be used to carry physical layer data).

As a sub-embodiment of the above-mentioned embodiment, the first wireless signal is transmitted on a PDSCH (Physical Downlink Shared CHannel).

As an embodiment, the K candidate values respectively correspond to K DCI (Downlink Control Information) formats (formats).

As a sub-embodiment of the above-mentioned embodiment, the first bit block includes at least one of { CIF (Carrier Indicator Field), resource allocation Field, MCS (Modulation and Coding Status) Field, RV (Redundancy Version) Field, NDI (New Data Indicator) Field, HARQ (Hybrid Automatic Repeat reQuest) process number Field, TPC (transmit Power Control) Field, Field for indicating a parameter of DMRS (DeModulation Reference Signals), and CRC (Cyclic Redundancy Check) bit }.

Specifically, according to an aspect of the present application, the first symbol block includes Q symbol groups, a constellation pattern corresponding to a symbol in each symbol group is the same, Q is 1, and the symbol group includes a positive integer number of the symbols.

Specifically, according to an aspect of the present application, the first symbol block includes Q symbol groups, where Q is a positive integer greater than 1, constellation patterns corresponding to symbols in each of the symbol groups are the same, constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different, and the symbol groups include a positive integer number of the symbols.

As an embodiment, the positions of all said symbols in said group of symbols in said first block of symbols are default (i.e. the division of the group of symbols does not require a signalling configuration).

As an embodiment, the positions of all the symbols within the group of symbols in the first symbol block are consecutive.

As an embodiment, the positions of any two of the symbols within the group of symbols in the first block of symbols are not contiguous.

As an embodiment, any Q consecutive symbols in the first symbol block belong to the Q symbol groups, respectively.

As an embodiment, a constellation pattern corresponding to the symbol in Q1 symbol groups in the Q symbol groups is correlated with Z, a constellation pattern corresponding to the symbol in the symbol groups not belonging to the Q1 symbol groups in the Q symbol groups is uncorrelated with Z, and Q1 is a positive integer less than or equal to Q.

As a sub-embodiment of the above embodiment, the Q1 is equal to the Q.

As an example, the position of the Q1 symbol groups in the Q symbol groups is default (i.e., no configuration for downstream signaling is required).

As an embodiment, the Z and Q angle values are associated, and the Q angle values correspond to the Q symbol groups one to one. For a given said symbol group, the corresponding constellation pattern is obtained by X-QAM rotating the corresponding said angle value, said X being a positive integer power of 2, said X being the same for said Q symbol groups. The absolute value of the angle value is equal to 0 or greater than 0.

As an embodiment, the above method has a benefit that the constellation patterns corresponding to the symbols in different symbol groups are rotated by using different angle values, so that it is avoided that the target receiver of the first wireless signal always makes an erroneous estimation of the angle values due to a phase error of a channel (phase error).

As an embodiment, Q angle values are associated to the Z, the Q angle values and the Q symbol groups being in one-to-one correspondence. For a given symbol group, the corresponding constellation pattern is derived from QPSK rotating the corresponding angle value. The absolute value of the angle value is equal to 0 or greater than 0.

As an embodiment, any two of said Q angle values are unequal.

As an embodiment, the Q is related to the number of bits in the first bit block.

As an embodiment, the Q is related to the number of symbols in the first symbol block.

As one example, Q is fixed.

As an embodiment, the Association (Association) of the Q angle value and the Z is default (i.e. configuration without downlink signaling).

As an example, the Z is associated with a Q1 one of the Q angle values, the one of the Q angle values not belonging to the Q1 angle value is independent of the Z, the Q1 is a positive integer less than or equal to the Q, and the Q1 angle value and the Q1 symbol groups have a one-to-one correspondence.

As an example, the position of the Q1 angle values in the Q angle values is default (i.e., configuration without downlink signaling).

As an example, the Association (Association) of the Q1 angle value and the Z is default (i.e., no configuration for downlink signaling is required).

As one example, the Q is greater than 1, the Q1 is equal to the Q-1, and the ones of the Q angle values that do not belong to the Q1 angle values are equal to 0.

As one embodiment, the Z is used to determine a first sequence that includes the Q angle values.

As a sub-embodiment of the above embodiment, the first sequence is composed of the Q angle values as elements.

As a sub-embodiment of the above embodiment, the first sequence belongs to a first sequence set, the first sequence set includes a positive integer number of sequences, and the index of Z in the K candidate values is related to the index of the first sequence in the first sequence set.

Specifically, according to one aspect of the present application, the K candidate values are divided into P candidate value groups, each of the candidate value groups includes a positive integer of the candidate values, a first candidate value group is one of the candidate value groups, Z belongs to the first candidate value group, a constellation pattern corresponding to at least one symbol in the first symbol block is related to an index of the first candidate value group in the P candidate value groups, and P is a positive integer greater than 1.

As an embodiment, any two different sets of candidate values include the same number of candidate values.

As an embodiment, the presence of at least two different sets of candidate values comprises a different number of said candidate values.

For one embodiment, the set of candidate values includes one of the candidate values.

For one embodiment, the set of candidate values includes a plurality of the candidate values.

As an embodiment, any of said candidate values belongs to one of said set of candidate values.

As an embodiment, there is no one of said candidate values belonging to two different sets of candidate values at the same time.

As an embodiment, the indexes of the first candidate set in the P candidate sets are associated with the Q angle values, and the Q angle values are in one-to-one correspondence with the Q symbol sets. For a given said symbol group, the corresponding constellation pattern is obtained by X-QAM rotating the corresponding said angle value, said X being a positive integer power of 2, said X being the same for said Q symbol groups. The absolute value of the angle value is equal to 0 or greater than 0.

As one embodiment, an index of the first set of candidate values in the P sets of candidate values is used to determine a first sequence that includes the Q angle values.

As a sub-implementation of the above embodiment, the first sequence belongs to a first sequence set, the first sequence set includes a positive integer number of sequences, and indexes of the first candidate value set in the P candidate value sets are related to indexes of the first sequence in the first sequence set.

Specifically, according to an aspect of the present application, the first bit block includes a first bit sub-block and a second bit sub-block, and the CRC bit block of the first bit sub-block is used to generate the second bit sub-block.

As an embodiment, the second sub-block of bits is a CRC block of bits of the first sub-block of bits.

As an embodiment, the second bit sub-block is a bit block after the CRC bit block of the first bit sub-block is scrambled.

As an embodiment, the scrambling code employs a scrambling code sequence related to an identity of a target recipient of the first wireless signal.

As a sub-embodiment of the above embodiment, the Identifier of the target receiver of the first wireless signal is an RNTI (Radio Network Temporary Identifier).

As one embodiment, the CRC bit block of the first bit sub-block is an output of the first bit sub-block through a CRC cycle generator polynomial. The polynomial formed by the first bit sub-block and the CRC bit block of the first bit sub-block is divisible over GF (2) by the CRC cycle generator polynomial, i.e. the remainder of the division of the polynomial formed by the first bit sub-block and the CRC bit block of the first bit sub-block by the CRC cycle generator polynomial is zero.

Specifically, according to an aspect of the present application, the step a further includes the steps of:

step A0. sends downstream information.

Wherein the downlink information is used to determine at least one of { the association of the constellation pattern corresponding to the symbols in the first symbol block and Z, the K candidate values, the P candidate value sets }.

As an embodiment, the downlink information indicates an association between the Z and Q angle values. And the Z is associated with the Q angle values, and the Q angle values correspond to the Q symbol groups one by one. For a given said symbol group, the corresponding constellation pattern is obtained by X-QAM rotating the corresponding said angle value, said X being a positive integer power of 2, said X being the same for said Q symbol groups. The absolute value of the angle value is equal to 0 or greater than 0.

As an embodiment, the downlink information indicates an association of the first candidate set between an index of the P candidate sets and a constellation pattern corresponding to a symbol in the first symbol block.

As an embodiment, the downlink information indicates an association between an index of the first candidate set among the P candidate sets and the Q angle values.

As an embodiment, the downlink information is carried by higher layer signaling.

As a sub-embodiment of the foregoing embodiment, the downlink information is carried by a Radio Resource Control (RRC) signaling.

As an embodiment, the downlink information is configured semi-statically.

As an embodiment, the downlink information is cell-common.

As an embodiment, the downlink information is UE-specific.

As an embodiment, the first wireless signal is UE-specific.

As a sub-embodiment of the foregoing embodiment, for cell-specific downlink physical layer signaling or terminal group-specific downlink physical layer signaling, the corresponding constellation pattern adopted by the modulation mapper is a-QAM, where a is a positive integer power of 2.

As a sub-embodiment of the above embodiment, said a is equal to said X.

As a sub-embodiment of the above embodiment, said a is not equal to said X.

As an embodiment, the downlink information is further used to determine the positions of the Q1 symbol groups in the Q symbol groups, the constellation pattern corresponding to the symbols in the Q1 symbol groups is associated with the Z, and the constellation pattern corresponding to the symbols in the Q symbol groups that do not belong to the Q1 symbol groups is independent of the Z.

In particular, according to one aspect of the present application, it is characterized in that said Z is used to determine the interpretation of the bits in said first block of bits.

As an embodiment, the K candidate values respectively correspond to K DCI formats one-to-one.

Specifically, according to an aspect of the present application, the first bit block includes downlink control information.

As an embodiment, the downlink control information indicates at least one of the time domain resource occupied by the corresponding data { occupied time domain resource, occupied frequency domain resource, MCS, RV, NDI, HARQ process number }.

The application discloses a method used in a UE for wireless communication, which comprises the following steps:

-step a. receiving a first wireless signal;

-step b.

Wherein the bits in the first bit block are used for the input of the channel coding corresponding to the channel decoding. Some or all of the symbols in a first symbol block generated by performing modulation mapping on the channel coded output are used to generate the first wireless signal. The number of bits in the first bit block is Z, which is one of the candidate values of K candidate values, which are positive integers, and K is a positive integer greater than 1. The constellation pattern corresponding to at least one symbol in the first symbol block is related to the Z. Any two of the K candidate values are not equal. The first block of symbols includes a positive integer number of symbols.

As an embodiment, the UE determines the Z from the K candidate values according to a constellation pattern corresponding to at least one symbol in the first symbol block.

As an embodiment, the UE determines, according to a received value of the first wireless signal, a constellation pattern corresponding to a symbol in the first symbol block.

As an embodiment, the K candidate values respectively correspond to K types of DCI (Downlink Control Information) formats (formats), and the UE determines the DCI Format corresponding to the first bit block according to the Z, that is, the UE determines the interpretation of the bits in the first bit block according to the Z.

As a sub-embodiment of the above embodiment, the first bit block includes at least one of { CIF, resource allocation field, MCS field, RV field, NDI field, HARQ process number field, TPC field, field for indicating parameters of DMRS, CRC bits }.

As an embodiment, the output of the channel decoding is used to recover the bits in the first bit block.

As a sub-embodiment of the above embodiment, the Q1 is equal to the Q.

As a sub-embodiment of the above embodiment, the constellation pattern corresponding to the symbols in the Q1 symbol groups is used to recover Z.

As an embodiment, the Z is used to determine a first sequence, the first sequence comprising Q elements, the Q elements respectively indicating the Q angle values, the first sequence belonging to a first set of sequences, the first set of sequences comprising M sequences, the indices of the Z in the K candidate values and the indices of the first sequence in the first set of sequences being related, the M being a positive integer greater than 1.

As a sub-embodiment of the above embodiment, the M sequences are used to determine M reference quantities respectively, and the index of a target sequence in the first sequence set is used to determine the Z, the target sequence being the sequence of the M sequences corresponding to the largest reference quantity.

As a sub-embodiment of the above embodiment, the reception values of the first radio signal at the UE are used to determine the M references.

As a sub-embodiment of the foregoing embodiment, for any given sequence of the M sequences, the UE calculates the reference quantity corresponding to the given sequence according to { a constellation pattern of each symbol in the first symbol block corresponding to the given sequence, a reception value of the first wireless signal at the UE }.

As a sub-embodiment of the above-described embodiment, the reference amount is a maximum likelihood probability (maximum likelihood).

As an embodiment, the UE determines the first set of candidate values from the P sets of candidate values according to a constellation pattern corresponding to at least one symbol in the first block of symbols.

As an embodiment, the UE determines the first set of candidate values from the P sets of candidate values according to a constellation pattern corresponding to a symbol in the Q1 symbol sets.

As an embodiment, the indices of the first set of candidate values in the P sets of candidate values are used to determine a first sequence comprising the Q angle values, the first sequence belonging to a first set of sequences comprising M sequences, M being a positive integer greater than 1, the indices of the first set of candidate values in the P sets of candidate values being related to the indices of the first sequence in the first set of sequences.

As a sub-implementation of the above embodiment, the M sequences are used to determine M reference quantities respectively, and the index of a target sequence in the first set of sequences is used to determine the first set of candidate values among the P sets of candidate values, the target sequence being the sequence of the M sequences corresponding to the largest reference quantity.

As an embodiment, the K candidate values respectively correspond to K DCI (Downlink Control Information) formats (formats), and the UE determines the interpretation of the bits in the first bit block by using the DCI formats corresponding to all the candidate values in the first candidate value set.

Specifically, according to an aspect of the present application, the step B further includes the steps of:

step B0. receives the downstream information.

As a sub-embodiment of the foregoing embodiment, for any candidate value in the first candidate value group, the UE determines, according to a DCI format corresponding to the any candidate value, an interpretation of bits in the first bit block, then performs CRC check on the bits in the first bit block according to the interpretation, and if a check result is correct, determines that the DCI format corresponding to the any candidate value is the DCI format corresponding to the first bit block; otherwise, it is determined that the DCI format corresponding to the arbitrary candidate value is not the DCI format corresponding to the first bit block.

The application discloses a base station device used for wireless communication, which comprises the following modules:

a first processing module: for performing channel coding;

a first sending module: for transmitting a first wireless signal.

As an embodiment, the base station apparatus used for wireless communication described above is characterized in that the first symbol block includes Q symbol groups, a constellation pattern corresponding to a symbol in each symbol group is the same, Q is 1, and a positive integer number of the symbols is included in the symbol group.

As an embodiment, the base station device used for wireless communication is characterized in that the first symbol block includes Q symbol groups, Q is a positive integer greater than 1, constellation patterns corresponding to symbols in each of the symbol groups are the same, constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different, and the symbol groups include a positive integer of the symbols

As an embodiment, the base station apparatus used for wireless communication described above is characterized in that the K candidate values are divided into P candidate value groups, each of the candidate value groups includes a positive integer of the candidate values, a first candidate value group is one of the candidate value groups, Z belongs to the first candidate value group, a constellation pattern corresponding to at least one symbol in the first symbol block and an index of the first candidate value group in the P candidate value groups are correlated, and P is a positive integer greater than 1.

As an embodiment, the base station apparatus for wireless communication described above is characterized in that the first bit block includes a first bit sub-block and a second bit sub-block, and the CRC bit block of the first bit sub-block is used to generate the second bit sub-block.

As an embodiment, the base station device used for wireless communication is characterized in that the first processing module is further configured to send downlink information. Wherein the downlink information is used to determine at least one of { the association of the constellation pattern corresponding to the symbols in the first symbol block and Z, the K candidate values, the P candidate value sets }.

As an embodiment, the above base station device for wireless communication is characterized in that said Z is used for determining the interpretation of the bits in said first bit block.

As an embodiment, the base station apparatus used for wireless communication described above is characterized in that the first bit block includes downlink control information.

The application discloses a user equipment used for wireless communication, which comprises the following modules:

a first receiving module: for receiving a first wireless signal;

a second processing module: for performing channel decoding.

As an embodiment, the user equipment used for wireless communication is characterized in that the first symbol block includes Q symbol groups, a constellation pattern corresponding to a symbol in each symbol group is the same, Q is 1, and a positive integer number of the symbols is included in the symbol group.

As an embodiment, the above-mentioned user equipment used for wireless communication is characterized in that the first symbol block includes Q symbol groups, Q is a positive integer greater than 1, constellation patterns corresponding to symbols in each of the symbol groups are the same, constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different, and the symbol groups include a positive integer of the symbols.

As an embodiment, the above-mentioned user equipment used for wireless communication is characterized in that the K candidate values are divided into P candidate value groups, each of the candidate value groups includes a positive integer of the candidate values, a first candidate value group is one of the candidate value groups, Z belongs to the first candidate value group, a constellation pattern corresponding to at least one symbol in the first symbol block is related to an index of the first candidate value group in the P candidate value groups, and P is a positive integer greater than 1.

As an embodiment, the above user equipment for wireless communication is characterized in that the first bit block comprises a first bit sub-block and a second bit sub-block, and the CRC bit block of the first bit sub-block is used for generating the second bit sub-block.

As an embodiment, the user equipment used for wireless communication is characterized in that the second processing module is further configured to receive downlink information. Wherein the downlink information is used to determine at least one of { the association of the constellation pattern corresponding to the symbols in the first symbol block and Z, the K candidate values, the P candidate value sets }.

As an embodiment, the above user equipment for wireless communication is characterized in that the Z is used for determining the interpretation of the bits in the first bit block.

As an embodiment, the user equipment used for wireless communication is characterized in that the first bit block includes downlink control information.

As an example, compared with the conventional scheme, the method has the following advantages:

adjusting the constellation pattern adopted by the corresponding control channel according to the format of the DCI, the UE may narrow the range of the DCI format on the current control channel by trying all possible constellation patterns and finding out one of them with the maximum likelihood probability, or even directly determine the DCI format on the current control channel, thereby reducing the complexity of blind detection of the control channel by the UE.

Support for more flexible and diverse DCI formats.

Since the decision on the constellation pattern benefits from the combining gain brought by combining on all symbols on the control channel, the format range of the DCI or the format of the DCI can be accurately determined with a high probability.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof with reference to the accompanying drawings in which:

fig. 1 shows a flow diagram of wireless transmission according to an embodiment of the application;

fig. 2 shows a schematic diagram of a relationship between the number of bits in a first block of bits and a constellation pattern corresponding to symbols in a first block of symbols according to an embodiment of the application;

fig. 3 shows a schematic diagram of a relationship between a first bit block and a first wireless signal according to an embodiment of the application;

FIG. 4 shows a schematic diagram of the locations of Q symbol groups in a first symbol block, according to one embodiment of the present application;

FIG. 5 shows a schematic diagram of the positions of Q symbol groups in a first symbol block, according to another embodiment of the present application;

fig. 6 shows a block diagram of a processing device in a base station for wireless communication according to an embodiment of the application;

fig. 7 shows a block diagram of a processing device in a UE for wireless communication according to an embodiment of the application.

Example 1

Embodiment 1 illustrates a flow chart of wireless transmission, as shown in fig. 1. In fig. 1, base station N1 is the serving cell maintenance base station for UE U2. In fig. 1, the step in block F1 is optional.

For N1, downlink information is sent in step S101; the first wireless signal is transmitted in step S11.

For U2, downlink information is received in step S201; the first wireless signal is received in step S21.

In embodiment 1, the bits in the first bit block are used by the N1 for the channel coded input in this application. Some or all of the symbols in a first symbol block generated by performing modulation mapping on the channel coded output are used by the N1 to generate the first wireless signal. The number of bits in the first bit block is Z, which is one of the candidate values of K candidate values, which are positive integers, and K is a positive integer greater than 1. The constellation pattern corresponding to at least one symbol in the first symbol block is related to the Z. Any two of the K candidate values are not equal. The first block of symbols includes a positive integer number of symbols. The downlink information is used by the U2 to determine at least one of { the association of Z, the K candidate values, and the constellation pattern to which the symbols in the first symbol block correspond }.

As sub-embodiment 1 of embodiment 1, the channel coding includes rate matching.

As sub-example 2 of example 1, said correlating with said Z means: and the index of said Z among said K candidate values.

As sub-embodiment 3 of embodiment 1, the N1 determines a Constellation pattern (Constellation pattern) corresponding to at least one symbol in the first symbol block according to the index of Z in the K candidate values.

As a sub-embodiment 4 of embodiment 1, the constellation pattern corresponding to a part of the symbols in the first symbol block is related to Z, and the constellation pattern corresponding to the rest of the symbols in the first symbol block is not related to Z.

As a sub-embodiment 5 of embodiment 1, the constellation pattern corresponding to all symbols in the first symbol block is related to Z.

As a sub-embodiment of sub-embodiment 5 of embodiment 1, the constellation patterns corresponding to all symbols in the first symbol block are the same.

As a sub-embodiment of sub-embodiment 5 of embodiment 1, the constellation patterns corresponding to at least two symbols in the first symbol block are different.

As sub-embodiment 6 of embodiment 1, the U2 determines the Z from the K candidate values according to a constellation pattern corresponding to at least one symbol in the first symbol block.

As sub-embodiment 7 of embodiment 1, the U2 determines the constellation pattern corresponding to the symbol in the first symbol block according to the received value of the first wireless signal.

As a sub-embodiment 8 of embodiment 1, the K candidate values respectively correspond to K DCI formats (formats), and the U2 determines the DCI Format corresponding to the first bit block according to the Z, that is, the U2 determines the interpretation of the bits in the first bit block according to the Z.

As a sub-embodiment of sub-embodiment 8 of embodiment 1, the first bit block includes at least one of { CIF, resource allocation field, MCS field, RV field, NDI field, HARQ process number field, TPC field, field for indicating parameters of DMRS, CRC bits }.

As sub-embodiment 9 of embodiment 1, the output of the channel decoding is used by the U2 to recover the bits in the first bit block.

As a sub-embodiment 10 of embodiment 1, for any symbol in the first symbol block, the number of Constellation points (Constellation points) included in a Constellation pattern corresponding to the any symbol is independent of Z.

As a sub-embodiment 11 of embodiment 1, the number of constellation points included in the constellation pattern corresponding to all symbols in the first symbol block is the same.

As a sub-embodiment 12 of embodiment 1, the channel coded input comprises { all bits in the first block of bits, all bits in a second block of bits }, the values of all bits in the second block of bits being predetermined.

As a sub-embodiment 13 of embodiment 1, all bits in the first bit block constitute the input of the channel coding.

As a sub-embodiment 14 of embodiment 1, the bits in the first bit block are arranged sequentially.

As a sub-embodiment 15 of embodiment 1, the symbols in the first symbol block are arranged sequentially.

As a sub-embodiment 16 of embodiment 1, all symbols in the first symbol block are used by the N1 to generate the first wireless signal.

As a sub-embodiment 17 of embodiment 1, the partial symbols in the first symbol block and the second symbol block are used by the N1 to generate the first wireless signal.

As a sub-embodiment of sub-embodiment 17 of embodiment 1, the second block of symbols comprises a reference signal.

As a sub-embodiment of sub-embodiment 17 of embodiment 1, the second symbol block includes CSI-RS.

As a sub-embodiment of sub-embodiment 17 of embodiment 1, the second symbol block is independent of the first symbol block.

As a sub-embodiment 18 of embodiment 1, the channel coding is a polar code.

As sub-embodiment 19 of embodiment 1, the channel coding is one of { LDPC code, turbo code, convolutional code }.

As sub-embodiment 20 of embodiment 1, the first wireless signal includes DCI.

As a sub-embodiment 21 of embodiment 1, the first wireless signal is transmitted on a physical layer control channel (i.e., a physical layer channel that cannot be used to transmit physical layer data).

As a sub-embodiment of sub-embodiment 21 of embodiment 1, the first wireless signal is transmitted on the PDCCH.

As a sub-embodiment of sub-embodiment 21 of embodiment 1, the first wireless signal is transmitted on sPDCCH.

As a sub-embodiment of sub-embodiment 21 of embodiment 1, the first radio signal is transmitted on the NR-PDCCH

As a sub-embodiment 22 of embodiment 1, the first wireless signal is transmitted on a physical layer data channel (i.e. a physical layer channel that can be used to carry physical layer data).

As a sub-embodiment of sub-embodiment 22 of embodiment 1, the first wireless signal is transmitted on the PDSCH.

As a sub-embodiment 23 of embodiment 1, the first symbol block includes Q symbol groups, the constellation patterns corresponding to the symbols in each symbol group are the same, Q is 1, and the symbol groups include a positive integer number of the symbols.

As a sub-embodiment 24 of embodiment 1, the first symbol block includes Q symbol groups, where Q is a positive integer greater than 1, constellation patterns corresponding to symbols in each of the symbol groups are the same, constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different, and the symbol groups include a positive integer of the symbols.

As a sub-embodiment 25 of embodiment 1, the positions of all said symbols in said group of symbols in said first block of symbols are default (i.e. the division of the group of symbols does not require a signalling configuration).

As a sub-embodiment 26 of embodiment 1, a constellation pattern corresponding to the symbol in Q1 symbol groups among the Q symbol groups is correlated with the Z, a constellation pattern corresponding to the symbol in the symbol groups not belonging to the Q1 symbol groups among the Q symbol groups is uncorrelated with the Z, and the Q1 is a positive integer less than or equal to Q.

As a sub-embodiment of sub-embodiment 26 of embodiment 1, said Q1 is equal to said Q.

As a sub-embodiment of sub-embodiment 26 of embodiment 1, said Q is greater than 1 and said Q1 is equal to said Q-1.

As a sub-embodiment 27 of embodiment 1, the constellation pattern corresponding to a symbol in the Q1 symbol groups is used by the U2 to recover the Z.

As a sub-embodiment 28 of embodiment 1, the position of the Q1 symbol groups in the Q symbol groups is default (i.e., configuration without downlink signaling).

As a sub-embodiment 29 of embodiment 1, the Z and Q angle values are associated, the Q angle values corresponding one-to-one to the Q symbol groups. For a given said symbol group, the corresponding constellation pattern is obtained by X-QAM rotating the corresponding said angle value, said X being a positive integer power of 2, said X being the same for said Q symbol groups. The absolute value of the angle value is equal to 0 or greater than 0.

As a sub-embodiment of sub-embodiment 29 of embodiment 1, said X equals 4, for a given said group of symbols the corresponding constellation pattern is derived by QPSK rotating the corresponding angle value.

As a sub-embodiment 30 of embodiment 1, the Association (Association) of the Q angle values and the Z is default (i.e. configuration without downlink signaling).

As sub-embodiment 31 of embodiment 1, the Z is associated with a Q1 one of the Q angle values, the one of the Q angle values not belonging to the Q1 angle value being independent of the Z, the Q1 is a positive integer less than or equal to the Q, and the Q1 angle value corresponds one-to-one to the Q1 symbol groups.

As a sub-embodiment 32 of embodiment 1, the Association (Association) of the Q1 angle value and the Z is default (i.e. configuration without downlink signaling).

As sub-embodiment 33 of embodiment 1, the Q is greater than 1, the Q1 is equal to the Q-1, the ones of the Q angular values that do not belong to the Q1 angular values are equal to 0.

As a sub-embodiment 34 of embodiment 1, the Z is used by the N1 to determine a first sequence, the first sequence including the Q angle values.

As a sub-embodiment of sub-embodiment 34 of embodiment 1, the first sequence consists of the Q angle values as elements.

As a sub-embodiment 35 of embodiment 1, the first sequence belongs to a first set of sequences, the first set of sequences includes M sequences, the indices of Z in the K candidate values are related to the indices of the first sequence in the first set of sequences, and M is a positive integer greater than 1.

As a sub-embodiment of sub-embodiment 35 of embodiment 1, the M sequences are respectively used by the U2 to determine M reference amounts, an index of a target sequence in the first sequence set is used by the U2 to determine the Z among the K candidate values, the target sequence being the sequence of the M sequences corresponding to the largest of the reference amounts.

As a sub-embodiment of sub-embodiment 35 of embodiment 1, the received values of the first wireless signal by the U2 are used by the U2 to determine the M references.

As a sub-embodiment of sub-embodiment 35 of embodiment 1, for any given one of the M sequences, the U2 calculates the reference quantity corresponding to the given sequence according to { a constellation pattern of each symbol in the first symbol block corresponding to the given sequence, a reception value of the first wireless signal at the UE }.

As a sub-embodiment of sub-embodiment 35 of embodiment 1, the reference amount is a maximum likelihood probability (maximum likelihood).

As sub-embodiment 36 of embodiment 1, the K candidate values are divided into P candidate value groups, each of the candidate value groups includes a positive integer of the candidate values, a first candidate value group is one of the candidate value groups, Z belongs to the first candidate value group, a constellation pattern corresponding to at least one symbol in the first symbol block is related to an index of the first candidate value group in the P candidate value groups, and P is a positive integer greater than 1.

As a sub-embodiment 37 of embodiment 1, the downstream information is used by the U2 to determine the P sets of candidate values.

As sub-embodiment 38 of embodiment 1, the set of candidate values includes one of the candidate values.

As sub-embodiment 39 of embodiment 1, the set of candidate values comprises a plurality of the candidate values.

As sub-embodiment 40 of embodiment 1, the indices of the first set of candidate values in the P sets of candidate values are associated with the Q angle values, which correspond one-to-one to the Q symbol sets. For a given said symbol group, the corresponding constellation pattern is obtained by X-QAM rotating the corresponding said angle value, said X being a positive integer power of 2, said X being the same for said Q symbol groups. The absolute value of the angle value is equal to 0 or greater than 0.

As sub-embodiment 41 of embodiment 1, the indices of the first set of candidate values in the P sets of candidate values are used by the N1 to determine a first sequence, the first sequence comprising the Q angle values, the first sequence belonging to a first set of sequences, the first set of sequences comprising M sequences, the M being a positive integer greater than 1, the indices of the first set of candidate values in the P sets of candidate values being related to the indices of the first sequence in the first set of sequences.

As a sub-embodiment of sub-embodiment 41 of embodiment 1, the M sequences are respectively used by the U2 to determine M reference quantities, the index of a target sequence in the first set of sequences is used by the U2 to determine the first set of candidate values among the P sets of candidate values, and the target sequence is the sequence of the M sequences corresponding to the largest of the reference quantities.

As sub-embodiment 42 of embodiment 1, the U2 determines the first set of candidate values from the P sets of candidate values according to a constellation pattern corresponding to at least one symbol in the first block of symbols.

As sub-embodiment 43 of embodiment 1, the U2 determines the first set of candidate values from the P sets of candidate values according to the constellation pattern corresponding to the symbols in the Q1 symbol set.

As sub-embodiment 44 of embodiment 1, the first bit block includes a first bit sub-block and a second bit sub-block, and the CRC bit block of the first bit sub-block is used by the N1 to generate the second bit sub-block.

As a sub-embodiment of sub-embodiment 44 of embodiment 1, the second sub-block of bits is a block of CRC bits of the first sub-block of bits.

As a sub-embodiment of sub-embodiment 44 of embodiment 1, the second sub-block of bits is a block of bits of the CRC block of bits of the first sub-block of bits after scrambling.

As sub-embodiment 45 of embodiment 1, the downlink information indicates a correlation between the Z and Q angle values.

As sub-embodiment 46 of embodiment 1, the downlink information indicates an association of the first candidate set between an index of the P candidate sets and a constellation pattern corresponding to a symbol in the first symbol block.

As sub-embodiment 47 of embodiment 1, the downlink information indicates an association between an index of the first candidate set among the P candidate sets and the Q angle value.

As a sub-embodiment 48 of embodiment 1, the downlink information is carried by higher layer signaling.

As a sub-embodiment of sub-embodiment 48 of embodiment 1, the downlink information is carried by RRC signaling.

As a sub-embodiment 49 of embodiment 1, the downstream information is semi-statically configured.

As a sub-embodiment 50 of embodiment 1, the downlink information is cell-common.

As a sub-embodiment 51 of embodiment 1, the downlink information is UE-specific (UE-specific).

As a sub-embodiment 52 of embodiment 1, the first wireless signal is UE-specific.

As a sub-embodiment of the sub-embodiment 52 of embodiment 1, for the cell-specific downlink physical layer signaling or the terminal group-specific downlink physical layer signaling, the corresponding constellation pattern adopted by the modulation mapper is a-QAM, where a is a positive integer power of 2.

As a sub-embodiment of sub-embodiment 52 of embodiment 1, said a is equal to said X.

As a sub-embodiment of sub-embodiment 52 of embodiment 1, said a is not equal to said X.

As sub-embodiment 53 of embodiment 1, the downlink information is further used by the U2 to determine positions of the Q1 symbol groups in the Q symbol groups, a constellation pattern corresponding to the symbols in the Q1 symbol groups is associated with the Z, and a constellation pattern corresponding to the symbols in the Q symbol groups that do not belong to the Q1 symbol groups is independent of the Z.

As a sub-embodiment 54 of embodiment 1, the Z is used to determine the interpretation of the bits in the first bit block.

As a sub-embodiment 55 of embodiment 1, the K candidate values respectively correspond to K DCI formats (formats), and the U2 determines the interpretation of the bits in the first bit block by using the DCI formats corresponding to all the candidate values in the first candidate value group respectively.

As a sub-embodiment of sub-embodiment 55 in embodiment 1, for any candidate value in the first candidate value group, the U2 determines, according to a DCI format corresponding to the candidate value, an interpretation of bits in the first bit block, then performs CRC check on the bits in the first bit block according to the interpretation, and if a check result is correct, determines that the DCI format corresponding to the candidate value is the DCI format corresponding to the first bit block; otherwise, it is determined that the DCI format corresponding to the arbitrary candidate value is not the DCI format corresponding to the first bit block.

As sub-implementation 56 of implementation 1, the first bit block includes downlink control information.

As a sub-embodiment of the sub-embodiment 56 of embodiment 1, the downlink control information indicates at least one of corresponding data { occupied time domain resource, occupied frequency domain resource, MCS, RV, NDI, HARQ process number }.

As a sub-embodiment 57 of embodiment 1, block F1 in fig. 1 exists.

As sub-embodiment 58 of embodiment 1, block F1 in fig. 1 is not present.

Example 2

Embodiment 2 illustrates a schematic diagram of a relationship between the number of bits in the first bit block and a constellation pattern corresponding to a symbol in the first symbol block, as shown in fig. 2.

In embodiment 2, the first symbol block includes Q symbol groups, where Q is a positive integer greater than 1, constellation patterns corresponding to symbols in each of the symbol groups are the same, constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different, and the symbol groups include positive integers of symbols. The number of bits in the first bit block is Z, which is one of the candidate values of K candidate values, which are positive integers, and K is a positive integer greater than 1. The K candidate values are divided into P candidate value groups, each of the candidate value groups including a positive integer number of the candidate values, the P being a positive integer greater than 1. The first set of candidates is one of the sets of candidates in the P sets of candidates, and the Z belongs to the first set of candidates. Indexes of the first candidate value set in the P candidate value sets are associated with Q angle values, and the Q angle values are in one-to-one correspondence with the Q symbol sets. For a given said symbol group, the corresponding constellation pattern is derived from said angular values corresponding to a QPSK rotation. The absolute value of the angle value is equal to 0 or greater than 0.

In fig. 2, when Z belongs to candidate set #0, i.e., the index of the first candidate set in the P candidate sets is equal to 0, the Q angle values are {30 °, -30 °, · 45 ° }, respectively; when said Z belongs to set #1 of candidate values, i.e., the index of said first set of candidate values in said P sets of candidate values is equal to 1, said Q angle values are { -30 °, 45 °, · 30 ° }; when Z belongs to set of candidate values # P-1, i.e., the index of the first set of candidate values in the P sets of candidate values is equal to P-1, the Q angle values are {45 °, 30 °, -30 ° }, respectively.

As sub-embodiment 1 of embodiment 2, the Association (Association) of the Q angle value and the index of the first candidate group in the P candidate groups is default (i.e. configuration without downlink signaling).

As sub-embodiment 2 of embodiment 2, for any symbol in the first symbol block, the number of Constellation points (Constellation points) included in the Constellation pattern corresponding to the any symbol is independent of the index of the first candidate value group in the P candidate value groups.

As sub-embodiment 3 of embodiment 2, the number of constellation points included in the constellation pattern corresponding to all symbols in the first symbol block is the same.

As sub-embodiment 4 of embodiment 2, the constellation pattern does not include the number of constellation points.

As a sub-embodiment 5 of embodiment 2, the bits in the first bit block are arranged sequentially.

As a sub-embodiment 6 of embodiment 2, the symbols in the first symbol block are arranged sequentially.

As sub-embodiment 7 of embodiment 2, the K candidate values correspond to K DCI formats (formats), respectively.

As a sub-embodiment 8 of embodiment 2, any two of said angle values of Q are unequal.

As sub-embodiment 9 of embodiment 2, the indices of the first set of candidate values among the P sets of candidate values are used to determine a first sequence, the first sequence comprising the Q angle values. For example, in fig. 2, when Z belongs to candidate set #0, i.e., the index of the first candidate set in the P candidate sets is equal to 0, the first sequence is {30 °, -30 °,. 45 ° }; when the Z belongs to set #1 of candidates, i.e., the index of the first set of candidates in the P sets of candidates is equal to 1, the first sequence is-30 °, 45 °,. 30 ° }; when said Z belongs to set of candidate values # P-1, i.e. the index of said first set of candidate values in said P sets of candidate values is equal to P-1, said first sequence is {45 °, 30 °, -30 ° }.

As a sub-embodiment of sub-embodiment 9 of embodiment 2, the first sequence belongs to a first set of sequences, the first set of sequences includes M sequences, M is a positive integer greater than 1, and indices of the first set of candidate values in the P sets of candidate values are related to indices of the first sequence in the first set of sequences.

As a sub-embodiment of sub-embodiment 9 of embodiment 2, the M sequences are respectively used by the target receiver of the first wireless signal in the present application to determine M reference quantities, the index of a target sequence in the first set of sequences is used by the target receiver of the first wireless signal to determine the first set of candidate values among the P sets of candidate values, and the target sequence is the sequence of the M sequences corresponding to the largest reference quantity.

As a sub-embodiment of sub-embodiment 9 of embodiment 2, the reference amount is a maximum likelihood probability (maximum likelihood).

As sub-embodiment 10 of embodiment 2, any two different sets of candidate values include the same number of candidate values.

As sub-embodiment 11 of embodiment 2, the presence of at least two different sets of candidate values comprises a different number of said candidate values.

As sub-embodiment 12 of embodiment 2, the set of candidate values includes one of the candidate values.

As sub-embodiment 13 of embodiment 2, the set of candidate values comprises a plurality of the candidate values.

As sub-embodiment 14 of embodiment 2, any of the candidate values belongs to one of the set of candidate values.

As sub-embodiment 15 of embodiment 2, there is no one said candidate value belonging to two different said sets of candidate values simultaneously.

Example 3

Embodiment 3 illustrates a schematic diagram of the relationship between the first bit block and the first wireless signal, as shown in fig. 3.

In embodiment 3, the bits in the first bit block are used for the input of the channel coding in the present application. Some or all of the symbols in a first symbol block generated by performing modulation mapping on the channel coded output are used to generate the first wireless signal. The number of bits in the first bit block is Z, which is one of the candidate values of K candidate values, which are positive integers, and K is a positive integer greater than 1. The constellation pattern corresponding to at least one symbol in the first symbol block is related to the Z. Any two of the K candidate values are not equal. The first block of symbols includes a positive integer number of symbols. The first bit block includes a first bit sub-block and a second bit sub-block, and the CRC bit block of the first bit sub-block is used to generate the second bit sub-block.

As sub-embodiment 1 of embodiment 3, the channel coding includes rate matching.

As a sub-embodiment 2 of embodiment 3, the constellation pattern corresponding to a part of the symbols in the first symbol block is related to Z, and the constellation pattern corresponding to the rest of the symbols in the first symbol block is not related to Z.

As a sub-embodiment 3 of embodiment 3, the constellation patterns corresponding to all symbols in the first symbol block are related to Z.

As a sub-embodiment 4 of embodiment 3, for any symbol in the first symbol block, the number of Constellation points (Constellation points) included in a Constellation pattern corresponding to the any symbol is independent of Z.

As sub-embodiment 5 of embodiment 3, the number of constellation points included in the constellation pattern corresponding to all symbols in the first symbol block is the same.

As sub-embodiment 6 of embodiment 3, the channel coded input comprises { all bits in the first block of bits, all bits in a second block of bits }, the values of all bits in the second block of bits being predetermined.

As a sub-embodiment of sub-embodiment 6 of embodiment 3, all bits in the second block of bits are 0.

As sub-embodiment 7 of embodiment 3, all bits in the first bit block constitute the input of the channel coding.

As a sub-embodiment 8 of embodiment 3, the first symbol block is an output of the channel-coded output after sequentially passing through a Scrambling (Scrambling) and a Modulation Mapper (Modulation Mapper).

As a sub-embodiment 9 of embodiment 3, all symbols in the first symbol block are used for generating the first radio signal.

As sub-embodiment 10 of embodiment 3, the partial symbols in the first symbol block and a second symbol block are used to generate the first wireless signal.

As a sub-embodiment of sub-embodiment 10 of embodiment 3, the second block of symbols comprises a reference signal.

As a sub-embodiment of sub-embodiment 10 of embodiment 3, the second symbol block includes CSI-RS.

As a sub-embodiment of sub-embodiment 10 of embodiment 3, the second block of symbols is independent of the first block of symbols.

As a sub-embodiment 11 of embodiment 3, the first radio signal is an output of all symbols in the first symbol block after sequentially passing through a Layer Mapper (Layer Mapper), a Precoding (Precoding), a Resource Element Mapper (Resource Element Mapper), and a wideband symbol Generation (Generation).

As a sub-embodiment 12 of embodiment 3, the first wireless signal is an output of the partial symbols in the first symbol block and the second symbol block after sequentially passing through a layer mapper, a precoding, a resource element mapper, and a wideband symbol generation.

As sub-embodiment 13 of embodiment 3, the first wireless signal is an output after all symbols in the first symbol block sequentially pass through a layer mapper, a conversion precoder (for generating a complex-valued signal), a precoding, a resource element mapper, and a wideband symbol generation.

As sub-embodiment 14 of embodiment 3, the first wireless signal is an output of the partial symbols in the first symbol block and the second symbol block after sequentially passing through a layer mapper, a conversion precoder, a precoding, a resource element mapper, and a wideband symbol generation.

As sub-embodiment 15 of embodiment 3, the wideband symbol is an OFDM symbol.

As a sub-embodiment 16 of embodiment 3, the wideband symbol is an FBMC symbol.

As a sub-embodiment 17 of embodiment 3, the wideband symbol is a DFT-S-OFDM symbol.

As a sub-embodiment 18 of embodiment 3, the channel coding is a polar code.

As a sub-embodiment 19 of embodiment 3, the channel coding is one of { LDPC code, turbo code, convolutional code }.

As sub-embodiment 20 of embodiment 3, the second sub-block of bits is a block of CRC bits of the first sub-block of bits.

As a sub-embodiment 21 of embodiment 3, the second bit sub-block is a bit block after the CRC bit block of the first bit sub-block is scrambled.

As a sub-embodiment 22 of embodiment 3, the scrambling code employs a scrambling code sequence that is related to the identity of the intended recipient of the first wireless signal.

As a sub-embodiment of sub-embodiment 22 of embodiment 3, the identity of the target recipient of the first wireless signal is an RNTI.

Example 4

Embodiment 4 illustrates a schematic diagram of the positions of Q symbol groups in a first symbol block, as shown in fig. 4.

In embodiment 4, the first symbol block includes Q symbol groups, where Q is a positive integer greater than 1, constellation patterns corresponding to symbols in each of the symbol groups are the same, constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different, and the symbol groups include a positive integer of the symbols. The positions of all of the symbols within the group of symbols in the first block of symbols are consecutive.

As sub-embodiment 1 of embodiment 4, the positions of all said symbols in said group of symbols in said first block of symbols are default (i.e. the division of the group of symbols does not require a signalling configuration).

As sub-embodiment 2 of embodiment 4, said Q is related to the number of bits in said first bit block in the present application.

As a sub-embodiment of sub-embodiment 2 of embodiment 4, when the number of bits in the first bit block is equal to x1, the Q is equal to Q1; when the number of bits in the first bit block is equal to y1, the Q is equal to p 1. Wherein the y1 is less than the x1, and the p1 is less than or equal to the q 1. The x1, the y1 and the q1, the p1 being positive integers, respectively.

As sub-embodiment 3 of embodiment 4, the Q is related to the number of symbols in the first symbol block.

As a sub-embodiment of sub-embodiment 3 of embodiment 4, when the number of symbols in the first symbol block is equal to x2, the Q is equal to Q2; when the number of symbols in the first symbol block is equal to y2, the Q is equal to p 2. Wherein the y2 is less than the x2, and the p2 is less than or equal to the q 2. The x2, the y2 and the q2, the p2 being positive integers, respectively.

As sub-example 4 of example 4, the Q is fixed.

Example 5

Embodiment 5 illustrates a schematic diagram of the positions of Q symbol groups in a first symbol block, as shown in fig. 5.

In embodiment 5, the first symbol block includes Q symbol groups, where Q is a positive integer greater than 1, constellation patterns corresponding to symbols in each of the symbol groups are the same, constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different, and the symbol groups include a positive integer of the symbols. The positions of any two of the symbols within the group of symbols in the first block of symbols are not contiguous.

As sub-embodiment 1 of embodiment 5, any Q consecutive symbols in the first symbol block belong to the Q symbol groups, respectively.

As a sub-embodiment 2 of embodiment 5, the positions of all said symbols in said group of symbols in said first block of symbols are default (i.e. the division of the group of symbols does not require a signalling configuration).

Example 6

Embodiment 6 illustrates a block diagram of a processing apparatus in a base station for wireless communication, as shown in fig. 6.

In fig. 6, the base station apparatus 200 is mainly composed of a first processing module 201 and a first transmitting module 202.

The first processing module 201 is configured to perform channel coding; the first sending module 202 is configured to send a first wireless signal.

In embodiment 6, the bits in the first block of bits are used by the first processing module 201 for the input of the channel coding. Some or all of the symbols in a first block of symbols, which is generated by performing modulation mapping on the channel coded output, are used by the first transmit module 202 to generate the first wireless signal. The number of bits in the first bit block is Z, which is one of the candidate values of K candidate values, which are positive integers, and K is a positive integer greater than 1. The constellation pattern corresponding to at least one symbol in the first symbol block is related to the Z. Any two of the K candidate values are not equal. The first block of symbols includes a positive integer number of symbols.

As sub-embodiment 1 of embodiment 6, the first symbol block includes Q symbol groups, the constellation patterns corresponding to the symbols in each symbol group are the same, Q is 1, and the symbol groups include a positive integer number of the symbols.

As sub-embodiment 2 of embodiment 6, the first symbol block includes Q symbol groups, Q is a positive integer greater than 1, constellation patterns corresponding to symbols in each of the symbol groups are the same, constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different, and the symbol groups include a positive integer of the symbols

As sub-embodiment 3 of embodiment 6, the K candidate values are divided into P candidate value groups, each of the candidate value groups includes a positive integer of the candidate values, a first candidate value group is one of the candidate value groups, Z belongs to the first candidate value group, a constellation pattern corresponding to at least one symbol in the first symbol block is related to an index of the first candidate value group in the P candidate value groups, and P is a positive integer greater than 1.

As sub-embodiment 4 of embodiment 6, the first bit block comprises a first bit sub-block and a second bit sub-block, the CRC bit block of the first bit sub-block being used by the first processing module 201 to generate the second bit sub-block.

As a sub-embodiment 5 of the embodiment 6, the first processing module 201 is further configured to send downlink information. Wherein the downlink information is used to determine at least one of { the association of the constellation pattern corresponding to the symbols in the first symbol block and Z, the K candidate values, the P candidate value sets }.

As a sub-embodiment 6 of embodiment 6, the Z is used to determine the interpretation of the bits in the first bit block.

As sub-embodiment 7 of embodiment 6, the first bit block includes downlink control information.

Example 7

Embodiment 7 illustrates a block diagram of a processing apparatus in a UE for wireless communication, as shown in fig. 7.

In fig. 7, the UE apparatus 300 is mainly composed of a first receiving module 301 and a second processing module 302.

The first receiving module 301 is configured to receive a first wireless signal; the second processing module 302 is used for performing channel decoding.

In embodiment 7, the bits in the first bit block are used for the input of the channel coding corresponding to the channel decoding. Some or all of the symbols in a first symbol block generated by performing modulation mapping on the channel coded output are used to generate the first wireless signal. The number of bits in the first bit block is Z, which is one of the candidate values of K candidate values, which are positive integers, and K is a positive integer greater than 1. The constellation pattern corresponding to at least one symbol in the first symbol block is related to the Z. Any two of the K candidate values are not equal. The first block of symbols includes a positive integer number of symbols.

As sub-embodiment 1 of embodiment 7, the first symbol block includes Q symbol groups, the constellation patterns corresponding to the symbols in each symbol group are the same, Q is 1, and the symbol groups include a positive integer number of the symbols.

As sub-embodiment 2 of embodiment 7, the first symbol block includes Q symbol groups, where Q is a positive integer greater than 1, constellation patterns corresponding to symbols in each of the symbol groups are the same, constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different, and the symbol groups include a positive integer of the symbols.

As sub-embodiment 3 of embodiment 7, the K candidate values are divided into P candidate value groups, each of the candidate value groups includes a positive integer of the candidate values, a first candidate value group is one of the candidate value groups, Z belongs to the first candidate value group, a constellation pattern corresponding to at least one symbol in the first symbol block is related to an index of the first candidate value group in the P candidate value groups, and P is a positive integer greater than 1.

As sub-embodiment 4 of embodiment 7, the first bit block includes a first bit sub-block and a second bit sub-block, and the CRC bit block of the first bit sub-block is used to generate the second bit sub-block.

As sub-embodiment 5 of embodiment 7, the second processing module 302 is further configured to receive downlink information. Wherein the downlink information is used by the second processing module 302 to determine at least one of { the association between the constellation pattern corresponding to the symbol in the first symbol block and Z, the K candidate values, and the P candidate value groups }.

As a sub-embodiment 6 of embodiment 7, said Z is used by said second processing module 302 for determining an interpretation of bits in said first bit block.

As a sub-embodiment 7 of the embodiment 7, the first bit block includes downlink control information.

It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented by using one or more integrated circuits. Accordingly, the module units in the above embodiments may be implemented in a hardware form, or may be implemented in a form of software functional modules, and the present application is not limited to any specific form of combination of software and hardware. The UE or the terminal in the application comprises but is not limited to a mobile phone, a tablet computer, a notebook, an internet card, an internet of things communication module, vehicle-mounted communication equipment, an NB-IOT terminal, an eMTC terminal and other wireless communication equipment. The base station or system device in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, and other wireless communication devices.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A method in a base station used for wireless communication, comprising the steps of:

-step a. performing channel coding;

-step b. transmitting a first wireless signal;

wherein bits in a first block of bits are used for the channel coded input; some or all of the symbols in a first symbol block, which is generated by performing modulation mapping on the channel-coded output, are used to generate the first wireless signal; the number of bits in the first bit block is Z, which is one of the candidate values of K candidate values, which are positive integers, and K is a positive integer greater than 1; the constellation pattern corresponding to at least one symbol in the first symbol block is related to the Z; any two of the K candidate values are not equal; the first block of symbols includes a positive integer number of symbols.

2. The method of claim 1, wherein the first symbol block comprises Q symbol groups, and the constellation pattern corresponding to the symbols in each symbol group is the same; the Q is a positive integer greater than 1, and constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different; or said Q is 1; the symbol group includes a positive integer number of the symbols.

3. The method according to claim 1 or 2, wherein said K candidate values are divided into P candidate value groups, each of said candidate value groups comprising a positive integer number of said candidate values, a first candidate value group is one of said candidate value groups, said Z belongs to said first candidate value group, a constellation pattern corresponding to at least one symbol in said first symbol block is related to an index of said first candidate value group in said P candidate value groups, said P is a positive integer number larger than 1.

4. The method according to claim 1 or 2, wherein the first bit block comprises a first bit sub-block and a second bit sub-block, wherein the CRC bit block of the first bit sub-block is used for generating the second bit sub-block.

5. The method according to claim 1 or 2, wherein said step a further comprises the steps of:

step A0. sending downstream information;

wherein the downlink information is used to determine at least one of { the association of Z and the constellation pattern corresponding to the symbol in the first symbol block, the K candidate values }.

6. The method according to claim 1 or 2, characterized in that Z is used for determining the interpretation of the bits in the first bit block.

7. The method according to claim 1 or 2, wherein the first bit block comprises downlink control information.

8. A method in a UE for wireless communication, comprising the steps of:

-step a. receiving a first wireless signal;

-step b. performing channel decoding;

wherein bits in a first bit block are used for input of a channel coding corresponding to the channel decoding; some or all of the symbols in a first symbol block, which is generated by performing modulation mapping on the channel-coded output, are used to generate the first wireless signal; the number of bits in the first bit block is Z, which is one of the candidate values of K candidate values, which are positive integers, and K is a positive integer greater than 1; the constellation pattern corresponding to at least one symbol in the first symbol block is related to the Z; any two of the K candidate values are not equal; the first block of symbols includes a positive integer number of symbols.

9. The method of claim 8, wherein the first symbol block comprises Q symbol groups, and the constellation pattern corresponding to the symbols in each symbol group is the same; the Q is a positive integer greater than 1, and constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different; or said Q is 1; the symbol group includes a positive integer number of the symbols.

10. The method according to claim 8 or 9, wherein said K candidate values are divided into P candidate value groups, each of said candidate value groups comprising a positive integer number of said candidate values, a first candidate value group is one of said candidate value groups, said Z belongs to said first candidate value group, a constellation pattern corresponding to at least one symbol in said first symbol block is related to an index of said first candidate value group in said P candidate value groups, said P is a positive integer number larger than 1.

11. The method according to claim 8 or 9, wherein the first bit block comprises a first bit sub-block and a second bit sub-block, wherein the CRC bit block of the first bit sub-block is used for generating the second bit sub-block.

12. The method according to claim 8 or 9, wherein said step B further comprises the steps of:

-step B0. receiving downstream information;

13. The method according to claim 8 or 9, characterized in that Z is used for determining the interpretation of the bits in the first bit block.

14. The method according to claim 8 or 9, wherein the first bit block comprises downlink control information.

15. A base station device used for wireless communication, comprising:

a first processing module: for performing channel coding;

a first sending module: for transmitting a first wireless signal;

16. The base station device of claim 15, wherein the first symbol block comprises Q symbol groups, and the constellation pattern corresponding to the symbols in each symbol group is the same; the Q is a positive integer greater than 1, and constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different; or said Q is 1; the symbol group includes a positive integer number of the symbols.

17. The base station apparatus according to claim 15 or 16, wherein said K candidate values are divided into P candidate value groups, each of said candidate value groups comprising a positive integer of said candidate values, a first candidate value group is one of said candidate value groups, said Z belongs to said first candidate value group, a constellation pattern corresponding to at least one symbol in said first symbol block is related to an index of said first candidate value group in said P candidate value groups, said P is a positive integer larger than 1.

18. Base station device according to claim 15 or 16, characterized in that the first bit block comprises a first bit sub-block and a second bit sub-block, the CRC bit block of the first bit sub-block being used for generating the second bit sub-block.

19. The base station device according to claim 15 or 16, wherein the first processing module is further configured to send downlink information; wherein the downlink information is used to determine at least one of { the association of Z and the constellation pattern corresponding to the symbol in the first symbol block, the K candidate values }.

20. Base station device according to claim 15 or 16, characterized in that said Z is used for determining the interpretation of the bits in said first bit block.

21. The base station device according to claim 15 or 16, wherein the first bit block comprises downlink control information.

22. A user equipment configured for wireless communication, comprising:

a first receiving module: for receiving a first wireless signal;

a second processing module: for performing channel decoding;

23. The UE of claim 22, wherein the first symbol block comprises Q symbol groups, and the constellation patterns corresponding to the symbols in each symbol group are the same; the Q is a positive integer greater than 1, and constellation patterns corresponding to any two different symbol groups in the Q symbol groups are different; or said Q is 1; the symbol group includes a positive integer number of the symbols.

24. The user equipment according to claim 22 or 23, wherein said K candidate values are divided into P candidate value groups, each of said candidate value groups comprising a positive integer number of said candidate values, a first candidate value group is one of said P candidate value groups, said Z belongs to said first candidate value group, a constellation pattern corresponding to at least one symbol in said first symbol block is related to an index of said first candidate value group in said P candidate value groups, said P is a positive integer number larger than 1.

25. The user equipment according to claim 22 or 23, wherein the first bit block comprises a first bit sub-block and a second bit sub-block, and wherein the CRC bit block of the first bit sub-block is used for generating the second bit sub-block.

26. The ue according to claim 22 or 23, wherein the second processing module is further configured to receive downlink information; wherein the downlink information is used to determine at least one of { the association of Z and the constellation pattern corresponding to the symbol in the first symbol block, the K candidate values }.

27. The user equipment according to claim 22 or 23, wherein Z is used for determining the interpretation of the bits in the first bit block.

28. The UE of claim 22 or 23, wherein the first bit block comprises downlink control information.