阅读说明：本技术 信息处理方法和装置 (Information processing method and device ) 是由 黄雯雯 花梦 于 2019-02-18 设计创作，主要内容包括：本申请提供一种信息处理方法和装置,其中,该方法包括：当物理上行共享信道使用离散傅里叶变换扩频的正交频分复用技术波形时,根据相位跟踪参考信号的样点数,确定上行控制信息的编码后的调制符号数；根据编码后的调制符号数,对上行控制信息进行速率匹配。从而,当物理上行共享信道使用离散傅里叶变换扩频的正交频分复用技术波形传输上行控制信息时,不会出现终端设备无法正确获取到相位跟踪参考信号的子载波个数的问题；终端设备可以依据相位跟踪参考信号的样点数,确定出上行控制信息的每一层的编码后的调制符号数,进而对上行控制信息完成速率匹配的处理。(The application provides an information processing method and device, wherein the method comprises the following steps: when the physical uplink shared channel uses the waveform of the orthogonal frequency division multiplexing technology of discrete Fourier transform spread spectrum, determining the number of modulation symbols after coding of uplink control information according to the number of sampling points of a phase tracking reference signal; and carrying out rate matching on the uplink control information according to the number of the coded modulation symbols. Therefore, when the physical uplink shared channel transmits uplink control information by using the orthogonal frequency division multiplexing technology of discrete Fourier transform spread spectrum, the problem that the terminal equipment cannot correctly acquire the number of subcarriers of the phase tracking reference signal is avoided; the terminal device may determine the number of coded modulation symbols of each layer of the uplink control information according to the number of sampling points of the phase tracking reference signal, and then complete rate matching processing on the uplink control information.)

1. An information processing method characterized by comprising:

when a physical uplink shared channel PUSCH uses an orthogonal frequency division multiplexing (DFT-s-OFDM) waveform of discrete Fourier transform spread spectrum, determining the number of modulation symbols after coding of Uplink Control Information (UCI) according to the number of sampling points of a Phase Tracking Reference Signal (PTRS), wherein the PUSCH is used for transmitting the UCI;

and carrying out rate matching on the UCI according to the number of the coded modulation symbols.

2. The method of claim 1, wherein determining the number of coded modulation symbols for the UCI based on the number of samples for the PTRS comprises:

determining the number of Resource Elements (RE) for sending the UCI according to the number of the sample points;

and determining the number of the coded modulation symbols according to the RE number.

3. The method of claim 2, wherein the number of REs of the I OFDM symbol of the PUSCH is

Wherein the content of the first and second substances,is the number of samples carrying PTRS on the ith OFDM symbol,is the bandwidth value scheduled during the transmission of the PUSCH;l is an integer which is the number of atoms,is the number of OFDM symbols of the PUSCH.

4. The method of claim 3, wherein when PTRS is carried on the ith OFDM symbol, the number of samples carrying PTRS on the ith OFDM symbol

When the first OFDM symbol does not bear the PTRS, the number of sampling points bearing the PTRS on the first OFDM symbol

Wherein the content of the first and second substances,is the number of groups of the PTRS,is the number of samples per group of the PTRS.

5. The method according to any of claims 1-4, wherein the UCI is any one of the following:

automatic repeat request acknowledgement (HARQ-ACK) information, channel state information first part CSI-part1 information and channel state information second part CSI-part2 information.

6. The method according to any of claims 1-5, wherein rate matching the UCI according to the number of the coded modulation symbols comprises:

obtaining a first sequence of the ith code block of the UCI, wherein the first sequence is a sequence generated after channel coding is carried out on the UCI, i ∈ [0, C_UCI]I is an integer, C_UCIIs the number of code blocks of the UCI;

determining a length value of the ith code block according to the number of the coded modulation symbols, wherein the length value of the ith code block is the length of a second sequence of the ith code block to be generated, and the second sequence is a sequence generated after the rate matching;

and performing rate matching on the first sequence of the ith code block according to the length value of the ith code block to obtain a second sequence of the ith code block.

7. The method of claim 6, wherein the length value of the ith code block is

Wherein E is_UCIIs the sum of the number of bits of each layer of the UCI, E_UCI＝N_L·Q'_ACK·Q_m，N_LIs the number of layers, Q, of the UCI_mIs a value of modulation system, Q'_ACKIs the number of modulation symbols after the UCI encoding.

8. An information processing apparatus characterized by comprising:

the processing module is used for determining the number of modulation symbols after coding of uplink control information UCI according to the number of sampling points of a phase tracking reference signal PTRS when a physical uplink shared channel PUSCH uses an orthogonal frequency division multiplexing (DFT-s-OFDM) waveform of discrete Fourier transform spread spectrum, wherein the PUSCH is used for transmitting the UCI;

the processing module is further configured to perform rate matching on the UCI according to the number of the coded modulation symbols.

9. The apparatus of claim 8, wherein the processing module is specifically configured to:

determining the number of Resource Elements (RE) for sending the UCI according to the number of the sample points;

and determining the number of the coded modulation symbols according to the RE number.

10. The apparatus of claim 9, wherein the number of REs of an I-th OFDM symbol of the PUSCH is

Wherein the content of the first and second substances,is the number of samples carrying PTRS on the ith OFDM symbol,is the bandwidth value scheduled during the transmission of the PUSCH;l is an integer which is the number of atoms,is the number of OFDM symbols of the PUSCH.

11. The apparatus of claim 10, wherein when the PTRS is carried on the ith OFDM symbol, the number of samples carrying the PTRS on the ith OFDM symbol

When the first OFDM symbol does not bear the PTRS, the number of sampling points bearing the PTRS on the first OFDM symbol

Wherein the content of the first and second substances,is the number of groups of the PTRS,is the number of samples per group of the PTRS.

12. The apparatus according to any of claims 8-11, wherein the UCI is any of:

automatic repeat request acknowledgement (HARQ-ACK) information, channel state information first part CSI-part1 information and channel state information second part CSI-part2 information.

13. The apparatus according to any one of claims 8 to 12, wherein the processing module is specifically configured to:

obtaining a first sequence of the ith code block of the UCI, wherein the first sequence is a sequence generated after channel coding is carried out on the UCI, i ∈ [0, C_UCI]I is an integer, C_UCIIs the number of code blocks of the UCI;

determining a length value of the ith code block according to the number of the coded modulation symbols, wherein the length value of the ith code block is the length of a second sequence of the ith code block to be generated, and the second sequence is a sequence generated after the rate matching;

and performing rate matching on the first sequence of the ith code block according to the length value of the ith code block to obtain a second sequence of the ith code block.

14. The apparatus of claim 13, wherein the length value of the ith code block is

Wherein E is_UCIIs the sum of the number of bits of each layer of the UCI, E_UCI＝N_L·Q'_ACK·Q_m，N_LIs the number of layers, Q, of the UCI_mIs a value of modulation system, Q'_ACKIs the number of modulation symbols after the UCI encoding.

15. A terminal device, comprising: a processor, a memory, a transmitter, and a receiver; the transmitter and the receiver are coupled to the processor, the processor controlling the transmitting action of the transmitter, the processor controlling the receiving action of the receiver;

wherein the memory is to store computer-executable program code, the program code comprising instructions; the instructions, when executed by the processor, cause the terminal device to perform the method of any of claims 1-7.

16. A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1-7.