阅读说明：本技术 一种通信方法及装置 (Communication method and device ) 是由 张希 徐明慧 于 2018-05-04 设计创作，主要内容包括：本申请公开了一种通信方法及装置,其中方法包括：第一设备确定相位跟踪参考信号PTRS的图案；其中,PTRS的图案包括一个或多个PTRS块,每一个PTRS块包括一个或多个PTRS采样点；所述第一设备将所述PTRS的图案映射到一个或多个符号上,发送给第二设备。(The application discloses a communication method and a device, wherein the method comprises the following steps: the first device determines a pattern of phase tracking reference signals PTRS; wherein the pattern of PTRS comprises one or more PTRS blocks, each PTRS block comprising one or more PTRS sample points; and the first equipment maps the pattern of the PTRS to one or more symbols and sends the pattern of the PTRS to a second equipment.)

A method of communication, the method comprising:

the first device determines a pattern of phase tracking reference signals, PTRS, wherein the pattern of PTRS comprises one or more PTRS blocks, each PTRS block comprising one or more PTRS sample points;

and the first equipment maps the pattern of the PTRS to one or more symbols and sends the pattern of the PTRS to a second equipment.

The method according to claim 1, wherein the first device determines the pattern of the phase tracking reference signal PTRS, in particular comprising:

the first device determines a pattern of the phase tracking reference signal PTRS according to at least one of a Modulation Coding Scheme (MCS), a scheduling bandwidth.

The method according to claim 1, wherein the first device determines the pattern of the phase tracking reference signal PTRS, in particular comprising:

the first device determines the pattern of the phase tracking reference signal PTRS according to at least one of the following parameters:

the PTRS time domain density between symbols, the PTRS block density in the symbols and the number of PTRS sampling points.

The method according to claim 1, wherein the first device determines the pattern of the phase tracking reference signal PTRS, in particular comprising:

the first device determines the pattern of the phase tracking reference signal PTRS according to at least one of the following parameters:

the PTRS time domain density among the symbols, the PTRS block density in the symbols, the number of PTRS sampling points and the distribution position of the PTRS blocks in the symbols.

The method of claim 3 or 4, further comprising, prior to the method:

receiving information indicative of PTRS block density and of the number of PTRS samples within the symbol from the second device.

The method according to any one of claims 3 to 5, further comprising:

and determining the PTRS time domain density between the symbols according to the mapping relation information of the modulation coding mode MCS and the PTRS time domain density between the symbols.

The method of claim 2, wherein the first device determines the pattern of the Phase Tracking Reference Signal (PTRS) according to at least one of a Modulation Coding Scheme (MCS) and a scheduling bandwidth, comprising:

the first device determines, from a first association criterion, a density of PTRS blocks associated with at least one of the MCS and the scheduling bandwidth, and a number of PTRS sampling points included in a PTRS block, and determines the density of PTRS blocks associated with at least one of the MCS and the scheduling bandwidth, and the number of PTRS sampling points included in a PTRS block as a density of PTRS blocks of the pattern of PTRS, and the number of PTRS sampling points included in a PTRS block; the first association criterion is the association relation between at least one of MCS and scheduling bandwidth and PTRS block density and the number of PTRS sampling points included in the PTRS block.

The method according to any one of claims 1 to 7, wherein the first device maps the pattern of PTRSs onto one or more symbols and sends the pattern of PTRSs to a second device, and the method comprises the following steps:

and the first equipment maps the pattern of the PTRS to one or more symbols modulated by adopting a single carrier and sends the pattern to the second equipment.

The method of claim 8, wherein the one or more symbols of the single-carrier modulation are discrete fourier transform spread orthogonal frequency division multiplexing, DFT-S-OFDM.

The method according to any of claims 1 to 9, wherein the pattern of PTRS is not transmitted when the scheduling bandwidth is in the first scheduling bandwidth interval and the modulation coding mode is in the first modulation coding mode interval.

The method according to any of claims 1 to 10, wherein the first device is a terminal.

The method of claim 1, wherein before the first device determines the pattern of the Phase Tracking Reference Signal (PTRS) according to at least one of a Modulation Coding Scheme (MCS) and a scheduling bandwidth, the method further comprises:

and the first equipment determines the threshold of the MCS and/or the threshold of the scheduling bandwidth according to at least one of the phase noise level, the subcarrier interval and the frequency point.

The method according to claim 1 or 12, wherein before the first device determines the pattern of the phase tracking reference signal, PTRS, according to at least one of a modulation coding scheme, MCS, and a scheduling bandwidth, the method further comprises:

and the first equipment feeds back at least one of the phase noise level, the subcarrier interval and the frequency point to the second equipment.

The method according to any of claims 1 to 13, wherein the number of PTRS blocks is 1,2 or 4; the number of PTRS sampling points is 1,2,4 or 8.

A communication device comprising a processing unit and a transceiving unit, wherein,

the processing unit is used for determining a pattern of a phase tracking reference signal PTRS; wherein the pattern of the PTRS comprises one or more PTRS blocks chunk, each of which comprises one or more PTRS sample samples sample;

and the transceiver unit is used for mapping the PTRS pattern to one or more symbols and sending the symbols to network equipment.

The apparatus according to claim 15, wherein the processing unit is specifically configured to:

determining the pattern of the phase tracking reference signal PTRS according to at least one of Modulation Coding Scheme (MCS) and scheduling bandwidth.

The apparatus according to claim 15, wherein the processing unit is specifically configured to:

determining a pattern of the phase tracking reference signal PTRS according to at least one of the following parameters:

the PTRS time domain density between symbols, the PTRS block density in the symbols and the number of PTRS sampling points.

The apparatus according to claim 15, wherein the processing unit is specifically configured to:

determining a pattern of the phase tracking reference signal PTRS according to at least one of the following parameters:

the PTRS time domain density among the symbols, the PTRS block density in the symbols, the number of PTRS sampling points and the distribution position of the PTRS block chunk in the symbols.

The apparatus according to claim 17 or 18, wherein the transceiver unit is further configured to receive the information indicating the PTRS block density and the number of PTRS samples within a symbol from the second device.

The apparatus according to any of claims 17 to 19, wherein the processing unit is further configured to determine a PTRS time domain density between symbols according to mapping relationship information between a Modulation and Coding Scheme (MCS) and the PTRS time domain density between symbols.

The apparatus according to claim 16, wherein the processing unit is specifically configured to:

determining PTRS block density associated with at least one of the MCS and the scheduling bandwidth and the number of PTRS sampling points included in the PTRS block from a first association criterion, and determining the PTRS block density associated with at least one of the MCS and the scheduling bandwidth and the number of PTRS sampling points included in the PTRS block as the PTRS block density of the pattern of the PTRS and the number of PTRS sampling points included in the PTRS block; the first association criterion is the association relation between at least one of MCS and scheduling bandwidth and PTRS block density and the number of PTRS sampling points included in the PTRS block.

The apparatus according to any of claims 15-21, wherein the symbol is DFT-S-OFDM.

The apparatus according to claim 16 or 21, wherein the processing unit is specifically configured to:

and determining the threshold of the MCS and/or the threshold of the scheduling bandwidth according to at least one of the phase noise level, the subcarrier interval and the frequency point.

The apparatus according to any one of claims 16, 21 or 23, wherein the transceiver unit is further configured to feed back at least one of a phase noise level, a subcarrier spacing, and a frequency point to the second device.

A method of communication, the method comprising:

receiving one or more symbols onto which a pattern of phase tracking reference signals, PTRS, is mapped, the pattern of PTRS comprising one or more PTRS blocks, each PTRS block comprising one or more PTRS sample points;

determining a pattern of phase tracking reference signals PTRS from the one or more symbols.

The method according to claim 25, wherein determining the pattern of phase tracking reference signals PTRS from the one or more symbols comprises:

determining the pattern of the phase tracking reference signal PTRS according to at least one of Modulation Coding Scheme (MCS) and scheduling bandwidth.

The method according to claim 25, wherein determining the pattern of phase tracking reference signals PTRS from the one or more symbols comprises:

determining a pattern of the phase tracking reference signal PTRS according to at least one of the following parameters:

the PTRS time domain density between symbols, the PTRS block density in the symbols and the number of PTRS sampling points.

The method according to claim 25, wherein determining the pattern of phase tracking reference signals PTRS from the one or more symbols comprises:

determining a pattern of the phase tracking reference signal PTRS according to at least one of the following parameters:

the PTRS time domain density among the symbols, the PTRS block density in the symbols, the number of PTRS sampling points and the distribution position of the PTRS block chunk in the symbols.

The method of claim 27, further comprising:

and sending the indication information of the PTRS block density and the indication information of the number of PTRS sampling points in the symbol.

The method of claim 28, further comprising:

and sending the indication information of the PTRS block density, the indication information of the PTRS sampling point number block and the indication information of the distribution position of the PTRS block in the symbol.

The method according to any one of claims 25 to 30, wherein the one or more symbols are discrete fourier transform spread orthogonal frequency division multiplexing, DFT-S-OFDM, symbols.

The method of claim 26, further comprising:

and determining the threshold of the MCS and/or the threshold of the scheduling bandwidth according to at least one of the phase noise level, the subcarrier interval and the frequency point.

The method of claim 26 or 32, further comprising:

and receiving at least one of a phase noise level, a subcarrier spacing and a frequency point from the terminal equipment.

The method according to any of claims 25 to 33, wherein the number of PTRS blocks is 1,2 or 4; the number of PTRS sampling points is 1,2,4 or 8.

A communications apparatus, comprising:

a transceiver unit, configured to receive one or more symbols, on which a pattern of Phase Tracking Reference Signals (PTRS) is mapped, the pattern of PTRS comprising one or more PTRS blocks, each PTRS block comprising one or more PTRS sampling points;

a processing unit for determining a pattern of a phase tracking reference signal PTRS from the one or more symbols.

The communications apparatus as claimed in claim 35, wherein the processing unit is configured to determine the pattern of the phase tracking reference signal PTRS according to at least one of a modulation and coding scheme, MCS, and a scheduling bandwidth.

The communications apparatus as claimed in claim 35, wherein the processing unit is configured to determine the pattern of the phase tracking reference signal PTRS according to at least one of the following parameters:

the PTRS time domain density between symbols, the PTRS block density in the symbols and the number of PTRS sampling points.

The communications apparatus as claimed in claim 35, wherein the processing unit is configured to determine the pattern of the phase tracking reference signal PTRS according to at least one of the following parameters:

the PTRS time domain density among the symbols, the PTRS block density in the symbols, the number of PTRS sampling points and the distribution position of the PTRS blocks in the symbols.

The apparatus according to claim 37, wherein the transceiver unit is further configured to transmit information indicating a density of PTRS blocks within the symbol and information indicating a number of PTRS samples.

The apparatus according to claim 38, wherein the transceiver unit is further configured to transmit information indicating density of PTRS blocks within the symbol, information indicating number of PTRS samples, and information indicating distribution positions of PTRS blocks within the symbol.

A communications device according to any of claims 35 to 40, wherein the one or more symbols are discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-S-OFDM) symbols.

The communications device according to claim 36, wherein the processing unit is specifically configured to:

and determining the threshold of the MCS and/or the threshold of the scheduling bandwidth according to at least one of the phase noise level, the subcarrier interval and the frequency point.

The apparatus according to claim 36 or 42, wherein the transceiver unit is further configured to receive at least one of a phase noise level, a subcarrier spacing, and a frequency point from a terminal device.

A method of communication, the method comprising:

the first device determines a pattern of the phase tracking reference signal PTRS according to one or more of the following information: PTRS time domain density among the symbols, PTRS block density in the symbols, the number of PTRS sampling points and the distribution position of the PTRS blocks in the symbols;

the first device maps the pattern of PTRS to one or more symbols, transmitting to a second device.

The method of claim 44, wherein the PTRS has a block density of 1,2,4, or 8; the number of PTRS sampling points is 1,2,4 or 8.

The method of claim 44, wherein the distribution positions of the PTRS blocks in a symbol are indicated by the PTRS block density and/or the number of PTRS sample points.

The method of claim 44, wherein when the PTRS block density is 2, two PTRS blocks are distributed at both ends of the symbol.

The method of claim 44, wherein when the PTRS block density is 2, two PTRS blocks are respectively located at the front of a symbol and in the middle of the symbol, and a time offset is added.

The method of claim 44, wherein when the PTRS block density is 2, two PTRS blocks are equally distributed over a first symbol and a last symbol.

The method of any one of claims 44-49, wherein:

the PTRS time domain density among the symbols means that one symbol in every several symbols is mapped with PTRS;

the PTRS block density in a symbol refers to the number of PTRS blocks included in one symbol;

the number of the PTRS sampling points refers to the number of sampling points included in one PTRS block;

the distribution position of the PTRS block in a symbol refers to mapping position information of the PTRS block in one symbol.

A method of communication, the method comprising:

the second device receives one or more symbols sent by the first device;

the second device obtains a pattern of phase tracking reference signals PTRS from the received one or more symbols according to one or more of the following information: the PTRS time domain density among the symbols, the PTRS block density in the symbols, the number of PTRS sampling points and the distribution position of the PTRS blocks in the symbols.

The method of claim 51, wherein the PTRS has a block density of 1,2,4, or 8; the number of PTRS sampling points is 1,2,4 or 8.

The method of claim 51, wherein the distribution positions of the PTRS blocks in a symbol are indicated by the PTRS block density and/or the number of PTRS sample points.

The method of claim 51, wherein when the PTRS block density is 2, two PTRS blocks are distributed at both ends of the symbol.

The method of claim 51, wherein when the PTRS block density is 2, two PTRS blocks are respectively located at the front of a symbol and in the middle of the symbol, and a time offset is added.

The method of claim 51, wherein when the PTRS block density is 2, two PTRS blocks are equally distributed over a first symbol and a last symbol.

The method of any one of claims 51-56, wherein:

the PTRS time domain density among the symbols means that one symbol in every several symbols is mapped with PTRS;

the PTRS block density in a symbol refers to the number of PTRS blocks included in one symbol;

the number of the PTRS sampling points refers to the number of sampling points included in one PTRS block;

the distribution position of the PTRS block in a symbol refers to mapping position information of the PTRS block in one symbol.

A communications apparatus, comprising:

a processing module: determining a pattern of a phase tracking reference signal PTRS according to one or more of: PTRS time domain density among the symbols, PTRS block density in the symbols, the number of PTRS sampling points and the distribution position of the PTRS blocks in the symbols;

a transceiver module: for mapping the pattern of PTRS to one or more symbols and transmitting.

A communications apparatus, the method comprising:

a transceiver module: for receiving one or more symbols;

a processing module: for obtaining a pattern of phase tracking reference signals, PTRS, from the received one or more symbols according to one or more of the following information: the PTRS time domain density among the symbols, the PTRS block density in the symbols, the number of PTRS sampling points and the distribution position of the PTRS blocks in the symbols.

A communication method is applied to a multi-carrier scene, and is characterized in that:

the first equipment determines the time domain density of a phase tracking reference signal PTRS according to a Modulation Coding Scheme (MCS);

determining the frequency domain density of the PTRS according to the scheduling bandwidth;

the first equipment maps the PTRS to one or more symbols and/or one or more subcarriers and sends the PTRS to second equipment; when the subcarriers of the PTRS collide with other Reference Signals (RSs) or direct current subcarriers, the PTRS is not mapped on the collided subcarriers, or the collision is avoided through the frequency offset of the PTRS.

The method of claim 60, wherein when the first device is a terminal device and the second device is a network device;

before the method, the first device sends the maximum PTRS port number to the second device;

receiving second indication information, wherein the second indication information is used for indicating a DMRS port number associated with the PTRS port; and/or the second indication information is used for indicating the DMRS port numbers in a plurality of DMRS port groups associated with one PTRS port.

A communication device, for use in a multi-carrier scenario, comprising:

a processing module: the device is used for determining the time domain density of the phase tracking reference signal PTRS according to the modulation coding scheme MCS and determining the frequency domain density of the PTRS according to the scheduling bandwidth;

a transceiver module: for mapping the PTRS onto one or more symbols and/or one or more subcarriers and transmitting; when the subcarriers of the PTRS collide with other Reference Signals (RSs) or direct current subcarriers, the PTRS is not mapped on the collided subcarriers, or the collision is avoided through the frequency offset of the PTRS.

The apparatus of claim 62, wherein the transceiver module is further configured to:

sending the maximum PTRS port number to the second equipment;

receiving second indication information, wherein the second indication information is used for indicating a DMRS port number associated with the PTRS port; and/or the second indication information is used for indicating the DMRS port numbers in a plurality of DMRS port groups associated with one PTRS port.