Signal sending method and apparatus, and signal receiving method and apparatus

Abstract

A signal sending method and apparatus, and a signal receiving method and apparatus. The sending method comprises: determining a fourth sequence on the basis of a third sequence, wherein the third sequence is a sequence obtained after DFT of a second sequence, and the second sequence is a discrete sequence obtained after CPM sampling is performed on a first sequence; mapping the fourth sequence to X subcarriers, so as to generate a first signal, wherein X is an integer greater than zero; and sending the first signal, wherein the first signal is a signal carrying HARQ information, or the first signal is a signal carrying SR information, or the first signal is a demodulation reference signal, or the first signal is a phase tracking reference signal, etc. By using the methods and apparatuses in the embodiments of the present application, the PAPR value of a signal sent by a sending end can be reduced, thereby improving the coverage performance.

Description

Signal sending and receiving method and device

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office of the People's Republic of China on January 2, 2024, with application number 202410014147.X and application name "A Signal Transmitting and Receiving Method and Device", the entire contents of which are incorporated by reference into this application. Technical Field

[0003] The present application relates to the field of communication technology, and in particular to a method and device for sending and receiving signals. Background Art

[0004] In the new radio (NR) system, the physical uplink control channel (PUCCH) occupies 1 to 2 or 4 to 14 symbols in a subframe. The symbol can be an orthogonal frequency division multiplexing (OFDM) symbol or a discrete Fourier transform spread OFDM (DFT-s-OFDM) symbol. Generally, in the NR system, in order to avoid interference between the PUCCHs of two adjacent cells, it is necessary to consider that the sequences selected between adjacent cells have low cross-correlation. In order to improve the coverage of the PUCCH, the transmitted signal needs to have a low peak-to-average power ratio (PAPR).

[0005] PAPR is defined as the ratio of the signal's peak power to its average power. Because power amplifiers have a limited dynamic range, excessively high PAPR can cause the amplified signal to enter a nonlinear region. This, in turn, can lead to nonlinear distortion after amplification, causing spectrum spread and in-band signal distortion, degrading system performance. To prevent the signal from entering the nonlinear region, power backoff is necessary. Higher PAPRs require higher power backoffs, but power backoff can degrade coverage. Therefore, reducing PAPR can improve coverage. Reducing PAPR to improve coverage is a research area. Summary of the Invention

[0006] The embodiments of the present application provide a method and apparatus for transmitting and receiving a signal to reduce the PAPR value of the signal and improve coverage performance.

[0007] In a first aspect, a signal transmission method is provided, wherein the method is performed by a first communication device. It is understood that, in an uplink communication scenario, the first communication device may be a device having terminal functionality. In a downlink communication scenario, the first communication device is a device having access network equipment functionality. The method comprises: determining a fourth sequence based on a third sequence, wherein the third sequence is a sequence obtained by performing a discrete Fourier transform (DFT) on the second sequence, and the second sequence is a discrete sequence obtained by performing continuous phase modulation (CPM) modulation sampling on the first sequence; mapping the fourth sequence onto X subcarriers to generate a first signal, where X is an integer greater than zero; and transmitting the first signal, wherein the first signal is a signal carrying hybrid automatic repeat request (HARQ) information, or the first signal is a signal carrying scheduling request (SR) information, or the first signal is a demodulation reference signal, or the first signal is a phase tracking reference signal.

[0008] Through the above design, the first communication device performs continuous phase modulation (CPM) modulation sampling on the first sequence to obtain a second sequence; CPM modulation sampling includes two processes: CPM modulation and sampling. For example, the first communication device performs CPM modulation on the first sequence to obtain a CPM sequence; and samples the CPM sequence to obtain a second sequence. The CPM sequence is a time-domain constant modulus sequence, and theoretically, the PARR value is equal to zero. The first communication device performs a discrete Fourier transform (DFT) on the second sequence, transforming the second sequence from the time domain to the frequency domain to obtain a third sequence, which is a frequency-domain sequence. The first communication device modulates the information to be transmitted onto the third sequence to obtain a fourth sequence. The first communication device maps the fourth sequence onto X subcarriers to obtain a fifth sequence. The fifth sequence is OFDM modulated to generate a first signal, which is sent to the receiving end. During the OFDM modulation process, the first communication device transforms the fifth sequence from the frequency domain to the time domain. It can be seen that in the method of the embodiment of the present application, a CPM sequence with a constant modulus in the time domain is first generated, and then a DFT transform is performed to transform the sequence from the time domain to the frequency domain. After that, the sequence is transformed from the frequency domain to the time domain through OFDM transformation. The entire processing process can be summarized as: converting the CPM sequence with a constant modulus in the time domain to the frequency domain, and then converting the frequency domain sequence to the time domain. In theory, the first signal after OFDM modulation is a constant modulus in the time domain, and its PAPR value is equal to zero, but in actual application, affected by various factors, the PAPR value of the first signal may be less than the first threshold, for example, the first threshold is equal to 0.5dB. Compared with the method of sending signals using a CGS sequence, the method of the embodiment of the present application can reduce the PAPR value of the signal sent by the first communication device and improve the coverage performance.

[0009] In one design, the second sequence {s n} includes X elements, s n satisfy:

[0010] Where n is an integer between 0 and X-1, exp represents an exponential function with e as the base, represents the phase of the second sequence, satisfy: or,

[0011] in, modulo 2*π, or, Instead of taking the modulus of 2*π, h represents the modulation index, L represents the impulse length, N represents the sampling rate, J represents the number of sampling blocks, h, L, N and J are all real numbers, T represents the symbol period, q(t) represents the phase response function, β i Denotes the first sequence {β i}, i is an integer between 0 and J-1.

[0012] In one design, during the CPM modulation sampling process, the modulation index h takes a real number ranging from 11 / 64 to 11 / 32, the impulse length L takes a value range of L>1, the phase response function q(t) takes a value of 0 in the range of t<0 and a fixed value in the range of t≥LT, and the sampling rate N and the number of sampling blocks J satisfy: NJ=X.

[0013] Through the above design, during the CPM modulation sampling process, each parameter satisfies the above conditions, and the block error rate (BLER) of the second communication device (ie, the receiving end) during sequence detection is lower.

[0014] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0015] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0016] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, 1, 5, 3, -1, -7}; {-3, -1, 1, 5, -5, 1}; {-7, -5, -1, -3, -3, -5}; {3, -1, 3, 5, 5, 1}; {-7, -7, -7, -5, 5, -3}; {-1, -1, -1, -7, -3, -3}; {5, 5, 3, -5, 3} ,5};{-7,7,-3,7,-3,7};{-5,-5,-3,-7,-3,7};{-5,3,-7,1,-5,5};{-5,-7,-3,-5,-7,3};{5,3,3,3,-7,1};{-1,1,5,3,-3,3};{-3,-3,-7,5,-5,-3};{3,5,5,5,-5,-5};{-1,3,-3,-7 ,-3,3};{7,-1,-1,-1,7,-3};{5,-7,7,-7,5,5};{-7,-5,5,-7,3,-5};{-5,1,-3,-5,7,-3};{7,-3,7,-3,-7,-1};{-5,3,-1,-5,7,1};{-7,-5,-7,1,-1,3};{3,-7,3,5,3,-7};{5,-3, -5,-1,-7,3};{-1,1,1,3,-7,3};{-3,-7,3,-1,-3,3};{5,-3,7,-3,-3,-3};{3,-5,-5,-5,-1,5};{-7,-1,-5,1,-1,5};{7,-1,-3,7,-5,-5};{-5,-1,1,-7,-3,7};{-5,-3,7,1,-1,1}.

[0017] Through the above design, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness of the first signal is less than 0.5.

[0018] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0019] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0020] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, -3, 5, -1, 7, -7}; {7, 3, 5, 7, -5, 5}; {-3, -5, -5, -7, 5, -7}; {-7, -7, -7, 3, 3, -7}; {7, 7, 7, -1, -5, 7}; {-7, -3, -1, -7, 3, -7} ;{-1,7,-1,3,-3,7};{3,-5,-7,3,-3,-3};{7,5,-3,7,1,5};{7,7,5,-7,-7,7};{-3,-1,3,3,-5,1};{-7,5,5,3,7,-3};{3,-7,-7,-7,1,-5};{-3,-7,1,7,-3,-5};{ 5,7,1,-3,7,-5};{-1,-5,7,-7,-1,-5};{-7,-7,-7,7,-3,7};{7,1,-7,-7,-7,3};{-1,-3,3,7,7,-3};{7,5,-7,-3,-7,5};{7,-5,-7,-1,7,-1};{-1,-7,5,-1,-1,5};{-5,1,-7,3,7,1};{-3,-7,5,-3,5,-7};{3,5,-3,7,5,-7};{-3,-5,5,-7,3,7};{-7,1,5,-5,-7,3};{3,-5,7,-5,-7,7};{-7,7,-1,-5,1,-7};{7,-7,-5,1,1,5}.

[0021] Through the above design, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness of the first signal is less than 0.6.

[0022] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0023] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0024] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-5, 1, 3, 3, 3, 1}; {-3, -5, -5, -5, -3, -3}; {-1, 3, -3, 1, -3, 3}; {-3, -1, -1, -3, 1, -5}; {3, 5, -1, 1, -1, 5}; {3, -1, -1, 1, 3, 1}; {-1, -5, -3, -5, -1, -3}; {-3,-5,-5,-5,-3,3}; {3,1,5,-3,3,3}; {-3,-5,-1,-5,-3,5}; {1,-5,1,-3,3,-3}; {5,-1,-5,-1,5,3}; {-1,3,1,3,-1,-5}; {-1,-3,-3,-1,1,-5}; {3,-3,3,-1,1,3}; {-5,-3,-1,1,-1,-3};{5,-7,3,-7,5,-5};{-1,-3,-3,1,5,-5};{1,-5,3,-5,3,3};{-5,5,-3,5,-5,-3};{1,-1,5,-5,3,3};{3,3,3,-1,-5,-3};{-1,-5,3,-5,-1,3};{1,-5,1,3,-3,3};{-1,-5,-1,3,-5,3}; {-3,-5,-3,5,-7,1}; {-1,5,-3,-1,-3,3}; {-3,5,1,-1,-5,-3}; {-1,-5,-3,5,-3,1}; {-3,5,-1,-5,-3,1}; {1,1,-5,1,5,-3}; {5,1,-5,1,1,-3}; {5,-1,-5,-1,1,-5}; {-5,3,-1,3,-7,1}.

[0025] Through the above design, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.5.

[0026] In one design, when the modulation index The impulse length L=2, the modulation dimension M=8, and the phase response function q(t) are:

[0027] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0028] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {1,5,5,-5,-1,-5}; {3,-7,-7,-1,3,-1}; {7,7,5,-3,5,1}; {-7,-7,-1,-3,-7,-7}; {7,7,1,7,1,-5}; {-7,-3,-5,1,-5,-3}; { 1,3,-1,-3,1,1};{7,7,5,3,-5,5};{-1,-7,1,-1,1,-5};{3,-7,-7,-5,-7,3};{-3,3,1,5,1,3};{-3,-7,-7,1,-5,-1};{7,7,5,-5,-7,5};{5,5,-5,-3,5,3};{-3,1,- 3,5,7,3};{-7,-1,-7,-1,5,-1};{3,-3,5,5,1,-1};{-3,-3,-3,-1,-5,5};{-7,-7,-5,1,-1,-3};{5,-5,-7,-7,3,1};{-5,-1,-7,-7,3,-5};{5,3,5,-1,-1,1};{-7, -7,1,5,7,-1};{5,-5,-3,-1,5,-1};{3,-3,-1,3,-7,-5};{-7,-3,-5,-3,3,-7};{3,-5,-1,3,1,-1};{-7,-5,-5,5,5,-5};{5,-5,-1,-7,-7,5};{-3,-1,1,3,-7,-3}.

[0029] Through the above design, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.6.

[0030] In one design, when the modulation index The impulse length L=2, the modulation dimension M=8, and the phase response function q(t) are:

[0031] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0032] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {3,-1,-7,-1,-3,-1}; {7,7,7,7,7,1}; {-7,-7,-5,5,-1,3}; {3,3,-3,1,3,5}; {-5,-3,-7,-7,1,-1}; {-7,5,5,5,7,-5}; {-1,-1,-1,5 ,-1,-3};{-5,5,7,7,7,1};{-7,-5,-3,-7,5,-7};{1,7,7,1,5,3};{5,-7,-7,-7,-7,1};{-1,-1,-7,-1,-1,-3};{7,7,1,1,1,7};{5,5,-5,-7,-3,-7};{7,1,7,7,-3,5};{1,-7 ,-7,-7,-1,-3};{-3,-3,-1,3,-1,5};{-7,3,3,3,3,-7};{-7,-1,-7,5,5,5};{3,-3,5,7,-1,-1};{-7,3,-3,3,-7,-1};{5,7,5,-3,1,-3};{5,-5,-1,-7,-7,5};{-1,-1,-7,- 1,5,-7};{1,-3,5,-7,-7,1};{7,7,1,5,-5,-3};{5,1,5,-7,-1,-1};{-7,5,7,5,-3,-7};{5,-7,-1,5,-1,-1};{5,5,-7,-1,-1,1};{-1,-7,5,5,-1,-3};{-1,5,-5,-5,-5,1}.

[0033] Through the above design, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.5.

[0034] In one design, when the modulation index The impulse length L=4, the modulation dimension M=8, and the phase response function q(t) are:

[0035] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0036] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-7, 3, 1, -5, 5, 3}; {-3, -7, -3, -7, 1, -5}; {1, 7, 1, 7, -3, 5}; {1, -7, -1, -3, -1, -1}; {3, -5, 5, 3, -1, 1}; {-3, -3, -3, -7, 5, -7} ;{1,1,5,3,-3,5};{1,-1,-5,1,5,-7};{7,1,-7,3,7,1};{-3,-5,-5,-5,-1,1};{5,-1,5,-3,3,3};{-7,-1,-3,-7,7,-1};{-5,-3,3,-3,1,1};{3,1,5,-1,-5,3};{ 1,3,-3,5,-3,-3};{-3,1,-7,-1,3,-5};{5,3,1,-3,3,3};{-5,-3,-3,7,-3,-5};{1,7,-3,-5,1,-7};{-1,-3,5,-1,1,5};{-1,-7,3,3,5,3};{7,-3,-7,1,5,-3};{ -7,3,-1,1,-5,-3};{3,3,-7,3,-5,3};{7,-7,-3,-3,5,-5};{5,-1,-5,-5,5,1};{-5,-3,1,7,-3,-3};{5,3,-7,7,-5,-3};{-7,-3,3,-7,7,1};{7,-7,3,-3,-7,1}.

[0037] Through the above design, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.6.

[0038] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0039] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0040] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-7, 7, -7, -1, -7, 7}; {5, -1, 5, 5, 5, -3}; {-5, -5, -1, -1, -7, -5}; {-7, 7, -3, -7, -7, -7}; {1, 5, 1, -3, -3, 7}; {5, 5, -7, 3, 5, 5}; {-7, 3, -5, -7, -1, 1}; {1, -7, 5, -1 ,1,1};{1,7,-1,-1,7,3};{-3,7,-5,-5,-3,-7};{-7,-1,-5,-3,3,-1};{-3,7,-3,7,-1,-7};{-1,-1,-1,7,-7,1};{-1,-5,-7,-7,-5,-1};{1,-1,5,5,-5,1};{3,5,3,-7,3,-7};{7,-5,-5,-7,7,3};{ -7,-5,1,-1,1,-5};{5,1,1,5,-1,-3};{5,-1,-7,1,-7,1};{3,-7,-1,1,-3,-3};{-7,-5,-7,-3,5,1};{7,-3,-3,-3,7,3};{-7,7,-3,7,-7,-5};{-1,-3,-1,-5,7,-5};{-5,5,-7,5,5,5};{-7,-5,-7 ,3,5,3};{7,-7,1,-5,7,-3};{-3,-5,5,3,5,-5};{7,-5,-7,5,-5,-3};{3,-5,-7,-1,7,-5};{5,-7,-5,7,-3,-5};{3,-5,7,-1,-7,-5};{-1,-7,5,-3,-1,7};{-5,7,-7,-3,7,1};{3,7,-3,3,-3,-7}.

[0041] Through the above design, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.5.

[0042] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0043] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0044] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {3,3,-1,-7,-1,-7}; {-3,5,5,5,-5,1}; {-5,-7,-5,-7,-1,5}; {1,-5,-7,-5,3,-5}; {5,7,-1,5,-3,5}; {1,5,-5,1,-3,-1}; {- 7,-7,-7,-3,-5,1};{7,-1,7,5,1,-1};{-7,3,-3,1,-1,-1};{-3,-5,3,-7,-1,-7};{3,3,3,-7,7,1};{-3,-7,-7,-5,-1,-7};{-5,5,-1,-1,7,5};{5,5,3,5,-1,-7};{ 1,-7,-7,-7,3,-1};{-7,1,5,-1,5,-3};{3,-3,3,-7,5,-1};{-7,-1,-5,-3,3,-5};{3,-7,-7,-7,3,5};{-1,7,-3,3,-3,7};{-7,1,-7,5,5,3};{-1,3,-3,-7,-5,3};{ -1,-5,-1,5,-7,-1};{-3,5,5,5,-5,-7};{-1,-7,-3,-7,-3,1};{-5,1,-5,3,3,3};{-1,-7,3,3,-3,5};{-7,-5,3,-1,-5,5};{-5,-5,-5,5,5,-5};{-1,3,5,5,-7,5}.

[0045] Through the above design, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.5.

[0046] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0047] When bandwidth B = 0.3, sampling rate N = 2, and number of sampling blocks J = 6:

[0048] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, -5, 3, -3, 3, -5}; {7, -1, 7, -1, 7, 5}; {-5, 3, -7, -5, -3, -7}; {-1, 5, -5, 5, -1, 5}; {-5, -1, -7, 1, -7, 3}; {5, 5, -1, 3, -1, 5}; {1, -3, -1, 1, 5, 5}; {-3, -3, -5, -7, -5 ,-1};{1,-3,5,-1,1,-3};{-3,3,-3,-7,1,-7};{3,-5,3,5,5,5};{3,3,-7,-5,-3,-7};{-3,5,5,1,5,3};{1,-5,1,-5,5,-5};{-3,-5,-3,7,-3,7};{1,-1,-5,-7,-5,1};{1,-1,3,-3,5,3};{3,-7,1,-1, -7,-5};{-5,-5,5,5,5,3};{-7,5,-7,3,3,3};{-3,-3,-5,3,5,-5};{5,5,5,-7,7,-7};{3,-7,-1,-7,-3,-3};{1,5,-1,-1,-1,5};{-5,-1,3,-1,1,3};{-7,1,-5,-5,-5,5};{-1,-5,3,5,3,-5};{-3,5,- 5,-5,-5,5};{-5,-5,-1,5,3,-5};{1,-7,3,3,-7,-1};{-1,-3,3,1,5,-5};{-5,-1,5,-7,5,-5};{3,3,-3,-7,-3,-3};{5,-7,5,-1,-5,-5};{5,-5,3,-1,-5,3};{-5,3,5,-1,1,-3};{3,-5,5,3,-5,-1}.

[0049] Through the above design, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.5.

[0050] In one design, the fourth sequence includes X elements, and mapping the fourth sequence to X subcarriers includes: mapping the X elements to X consecutive subcarriers; or mapping the X elements to X non-consecutive and equally spaced subcarriers.

[0051] In one design, the method is applied to a terminal, the first communication device is a device with terminal functions, and the fourth sequence is determined based on the third sequence, including: determining a first cyclic shift value based on information to be sent; and cyclically shifting the third sequence according to the first cyclic shift value to determine the fourth sequence.

[0052] In one design, the method is applied to a terminal, the first communication device is a device with terminal functions, and determining the fourth sequence based on the third sequence includes: determining a first complex symbol based on information to be sent; and determining the fourth sequence based on the first complex symbol and the third sequence.

[0053] In one design, the method is applied to a terminal or an access network device, and the first communication device is a device having the functions of a terminal or an access network device. The determining of the fourth sequence based on the third sequence includes: determining a second cyclic shift value based on information to be sent; and cyclically shifting the third sequence according to the second cyclic shift value to determine the fourth sequence.

[0054] The second aspect is a counterpart method corresponding to the first aspect. For beneficial effects, refer to the description of the first aspect and are not repeated here. A signal receiving method is provided, wherein the execution subject of the method is a second communication device. In an uplink communication scenario, the second communication device is a device having access network equipment functions. In a downlink communication scenario, the second communication device is a device having terminal functions. The method includes: receiving a first signal, wherein the first signal is a signal carrying hybrid automatic repeat request (HARQ) information, or the first signal is a signal carrying scheduling request (SR) information, or the first signal is a demodulation reference signal, or the first signal is a phase tracking reference signal; performing orthogonal frequency division multiplexing (OFDM) demodulation on the first signal to determine a fourth sequence; determining a first result based on the fourth sequence and the third sequence, wherein the first result is a decoding result, or the first result is a channel estimation result, the third sequence is a sequence obtained by performing discrete Fourier transform (DFT) on the second sequence, and the second sequence is a discrete sequence obtained by performing continuous phase phase modulation (CPM) modulation sampling on the first sequence.

[0055] In one design, the second sequence {s n} includes X elements, s n Represents the second sequence {s n}, the elements in the n satisfy:

[0056] Where n is an integer between 0 and X-1, X is an integer greater than zero, and exp represents an exponential function with e as the base. represents the phase of the second sequence, satisfy: or,

[0057] in, Modulo 2*π, or not modulo 2*π, h represents the modulation index, L represents the impulse length, N represents the sampling rate, J represents the number of sampling blocks, h, L, N and J are all real numbers, T represents the symbol period, q(t) represents the phase response function, β i Denotes the first sequence {β i}, i is an integer between 0 and J-1.

[0058] In one design, during the CPM modulation sampling process: the modulation index h takes a real number in the range of 11 / 64 to 11 / 32, the impulse length L takes a value in the range of L>1, the phase response function q(t) takes a value of 0 in the range of t<0, and takes a fixed value in the range of t≥LT, and the sampling rate N and the number of sampling blocks J both satisfy: NJ=X.

[0059] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0060] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0061] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, 1, 5, 3, -1, -7}; {-3, -1, 1, 5, -5, 1}; {-7, -5, -1, -3, -3, -5}; {3, -1, 3, 5, 5, 1}; {-7, -7, -7, -5, 5, -3}; {-1, -1, -1, -7, -3, -3}; {5, 5, 3, -5, 3} ,5};{-7,7,-3,7,-3,7};{-5,-5,-3,-7,-3,7};{-5,3,-7,1,-5,5};{-5,-7,-3,-5,-7,3};{5,3,3,3,-7,1};{-1,1,5,3,-3,3};{-3,-3,-7,5,-5,-3};{3,5,5,5,-5,-5};{-1,3,-3,-7 ,-3,3};{7,-1,-1,-1,7,-3};{5,-7,7,-7,5,5};{-7,-5,5,-7,3,-5};{-5,1,-3,-5,7,-3};{7,-3,7,-3,-7,-1};{-5,3,-1,-5,7,1};{-7,-5,-7,1,-1,3};{3,-7,3,5,3,-7};{5,-3, -5,-1,-7,3};{-1,1,1,3,-7,3};{-3,-7,3,-1,-3,3};{5,-3,7,-3,-3,-3};{3,-5,-5,-5,-1,5};{-7,-1,-5,1,-1,5};{7,-1,-3,7,-5,-5};{-5,-1,1,-7,-3,7};{-5,-3,7,1,-1,1}.

[0062] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0063] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0064] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, -3, 5, -1, 7, -7}; {7, 3, 5, 7, -5, 5}; {-3, -5, -5, -7, 5, -7}; {-7, -7, -7, 3, 3, -7}; {7, 7, 7, -1, -5, 7}; {-7, -3, -1, -7, 3, -7} ;{-1,7,-1,3,-3,7};{3,-5,-7,3,-3,-3};{7,5,-3,7,1,5};{7,7,5,-7,-7,7};{-3,-1,3,3,-5,1};{-7,5,5,3,7,-3};{3,-7,-7,-7,1,-5};{-3,-7,1,7,-3,-5};{ 5,7,1,-3,7,-5};{-1,-5,7,-7,-1,-5};{-7,-7,-7,7,-3,7};{7,1,-7,-7,-7,3};{-1,-3,3,7,7,-3};{7,5,-7,-3,-7,5};{7,-5,-7,-1,7,-1};{-1,-7,5,-1,-1,5};{-5,1,-7,3,7,1};{-3,-7,5,-3,5,-7};{3,5,-3,7,5,-7};{-3,-5,5,-7,3,7};{-7,1,5,-5,-7,3};{3,-5,7,-5,-7,7};{-7,7,-1,-5,1,-7};{7,-7,-5,1,1,5}.

[0065] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0066] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0067] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-5, 1, 3, 3, 3, 1}; {-3, -5, -5, -5, -3, -3}; {-1, 3, -3, 1, -3, 3}; {-3, -1, -1, -3, 1, -5}; {3, 5, -1, 1, -1, 5}; {3, -1, -1, 1, 3, 1}; {-1, -5, -3, -5, -1, -3}; {-3,-5,-5,-5,-3,3}; {3,1,5,-3,3,3}; {-3,-5,-1,-5,-3,5}; {1,-5,1,-3,3,-3}; {5,-1,-5,-1,5,3}; {-1,3,1,3,-1,-5}; {-1,-3,-3,-1,1,-5}; {3,-3,3,-1,1,3}; {-5,-3,-1,1,-1,-3};{5,-7,3,-7,5,-5};{-1,-3,-3,1,5,-5};{1,-5,3,-5,3,3};{-5,5,-3,5,-5,-3};{1,-1,5,-5,3,3};{3,3,3,-1,-5,-3};{-1,-5,3,-5,-1,3};{1,-5,1,3,-3,3};{-1,-5,-1,3,-5,3}; {-3,-5,-3,5,-7,1}; {-1,5,-3,-1,-3,3}; {-3,5,1,-1,-5,-3}; {-1,-5,-3,5,-3,1}; {-3,5,-1,-5,-3,1}; {1,1,-5,1,5,-3}; {5,1,-5,1,1,-3}; {5,-1,-5,-1,1,-5}; {-5,3,-1,3,-7,1}.

[0068] In one design, when the modulation index The impulse length L=2, the modulation dimension M=8, and the phase response function q(t) are:

[0069] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0070] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {1,5,5,-5,-1,-5}; {3,-7,-7,-1,3,-1}; {7,7,5,-3,5,1}; {-7,-7,-1,-3,-7,-7}; {7,7,1,7,1,-5}; {-7,-3,-5,1,-5,-3}; { 1,3,-1,-3,1,1};{7,7,5,3,-5,5};{-1,-7,1,-1,1,-5};{3,-7,-7,-5,-7,3};{-3,3,1,5,1,3};{-3,-7,-7,1,-5,-1};{7,7,5,-5,-7,5};{5,5,-5,-3,5,3};{-3,1,- 3,5,7,3};{-7,-1,-7,-1,5,-1};{3,-3,5,5,1,-1};{-3,-3,-3,-1,-5,5};{-7,-7,-5,1,-1,-3};{5,-5,-7,-7,3,1};{-5,-1,-7,-7,3,-5};{5,3,5,-1,-1,1};{-7, -7,1,5,7,-1};{5,-5,-3,-1,5,-1};{3,-3,-1,3,-7,-5};{-7,-3,-5,-3,3,-7};{3,-5,-1,3,1,-1};{-7,-5,-5,5,5,-5};{5,-5,-1,-7,-7,5};{-3,-1,1,3,-7,-3}.

[0071] In one design, when the modulation index The impulse length L=2, the modulation dimension M=8, and the phase response function q(t) are:

[0072] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0073] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {3,-1,-7,-1,-3,-1}; {7,7,7,7,7,1}; {-7,-7,-5,5,-1,3}; {3,3,-3,1,3,5}; {-5,-3,-7,-7,1,-1}; {-7,5,5,5,7,-5}; {-1,-1,-1,5 ,-1,-3};{-5,5,7,7,7,1};{-7,-5,-3,-7,5,-7};{1,7,7,1,5,3};{5,-7,-7,-7,-7,1};{-1,-1,-7,-1,-1,-3};{7,7,1,1,1,7};{5,5,-5,-7,-3,-7};{7,1,7,7,-3,5};{1,-7 ,-7,-7,-1,-3};{-3,-3,-1,3,-1,5};{-7,3,3,3,3,-7};{-7,-1,-7,5,5,5};{3,-3,5,7,-1,-1};{-7,3,-3,3,-7,-1};{5,7,5,-3,1,-3};{5,-5,-1,-7,-7,5};{-1,-1,-7,- 1,5,-7};{1,-3,5,-7,-7,1};{7,7,1,5,-5,-3};{5,1,5,-7,-1,-1};{-7,5,7,5,-3,-7};{5,-7,-1,5,-1,-1};{5,5,-7,-1,-1,1};{-1,-7,5,5,-1,-3};{-1,5,-5,-5,-5,1}.

[0074] In one design, when the modulation index The impulse length L=4, the modulation dimension M=8, and the phase response function q(t) are:

[0075] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0076] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-7, 3, 1, -5, 5, 3}; {-3, -7, -3, -7, 1, -5}; {1, 7, 1, 7, -3, 5}; {1, -7, -1, -3, -1, -1}; {3, -5, 5, 3, -1, 1}; {-3, -3, -3, -7, 5, -7} ;{1,1,5,3,-3,5};{1,-1,-5,1,5,-7};{7,1,-7,3,7,1};{-3,-5,-5,-5,-1,1};{5,-1,5,-3,3,3};{-7,-1,-3,-7,7,-1};{-5,-3,3,-3,1,1};{3,1,5,-1,-5,3};{ 1,3,-3,5,-3,-3};{-3,1,-7,-1,3,-5};{5,3,1,-3,3,3};{-5,-3,-3,7,-3,-5};{1,7,-3,-5,1,-7};{-1,-3,5,-1,1,5};{-1,-7,3,3,5,3};{7,-3,-7,1,5,-3};{ -7,3,-1,1,-5,-3};{3,3,-7,3,-5,3};{7,-7,-3,-3,5,-5};{5,-1,-5,-5,5,1};{-5,-3,1,7,-3,-3};{5,3,-7,7,-5,-3};{-7,-3,3,-7,7,1};{7,-7,3,-3,-7,1}.

[0077] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0078] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0079] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-7, 7, -7, -1, -7, 7}; {5, -1, 5, 5, 5, -3}; {-5, -5, -1, -1, -7, -5}; {-7, 7, -3, -7, -7, -7}; {1, 5, 1, -3, -3, 7}; {5, 5, -7, 3, 5, 5}; {-7, 3, -5, -7, -1, 1}; {1, -7, 5, -1 ,1,1};{1,7,-1,-1,7,3};{-3,7,-5,-5,-3,-7};{-7,-1,-5,-3,3,-1};{-3,7,-3,7,-1,-7};{-1,-1,-1,7,-7,1};{-1,-5,-7,-7,-5,-1};{1,-1,5,5,-5,1};{3,5,3,-7,3,-7};{7,-5,-5,-7,7,3};{ -7,-5,1,-1,1,-5};{5,1,1,5,-1,-3};{5,-1,-7,1,-7,1};{3,-7,-1,1,-3,-3};{-7,-5,-7,-3,5,1};{7,-3,-3,-3,7,3};{-7,7,-3,7,-7,-5};{-1,-3,-1,-5,7,-5};{-5,5,-7,5,5,5};{-7,-5,-7 ,3,5,3};{7,-7,1,-5,7,-3};{-3,-5,5,3,5,-5};{7,-5,-7,5,-5,-3};{3,-5,-7,-1,7,-5};{5,-7,-5,7,-3,-5};{3,-5,7,-1,-7,-5};{-1,-7,5,-3,-1,7};{-5,7,-7,-3,7,1};{3,7,-3,3,-3,-7}.

[0080] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0081] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0082] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {3,3,-1,-7,-1,-7}; {-3,5,5,5,-5,1}; {-5,-7,-5,-7,-1,5}; {1,-5,-7,-5,3,-5}; {5,7,-1,5,-3,5}; {1,5,-5,1,-3,-1}; {- 7,-7,-7,-3,-5,1};{7,-1,7,5,1,-1};{-7,3,-3,1,-1,-1};{-3,-5,3,-7,-1,-7};{3,3,3,-7,7,1};{-3,-7,-7,-5,-1,-7};{-5,5,-1,-1,7,5};{5,5,3,5,-1,-7};{ 1,-7,-7,-7,3,-1};{-7,1,5,-1,5,-3};{3,-3,3,-7,5,-1};{-7,-1,-5,-3,3,-5};{3,-7,-7,-7,3,5};{-1,7,-3,3,-3,7};{-7,1,-7,5,5,3};{-1,3,-3,-7,-5,3};{ -1,-5,-1,5,-7,-1};{-3,5,5,5,-5,-7};{-1,-7,-3,-7,-3,1};{-5,1,-5,3,3,3};{-1,-7,3,3,-3,5};{-7,-5,3,-1,-5,5};{-5,-5,-5,5,5,-5};{-1,3,5,5,-7,5}.

[0083] In one design, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0084] When bandwidth B = 0.3, sampling rate N = 2, and number of sampling blocks J = 6:

[0085] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, -5, 3, -3, 3, -5}; {7, -1, 7, -1, 7, 5}; {-5, 3, -7, -5, -3, -7}; {-1, 5, -5, 5, -1, 5}; {-5, -1, -7, 1, -7, 3}; {5, 5, -1, 3, -1, 5}; {1, -3, -1, 1, 5, 5}; {-3, -3, -5, -7, -5 ,-1};{1,-3,5,-1,1,-3};{-3,3,-3,-7,1,-7};{3,-5,3,5,5,5};{3,3,-7,-5,-3,-7};{-3,5,5,1,5,3};{1,-5,1,-5,5,-5};{-3,-5,-3,7,-3,7};{1,-1,-5,-7,-5,1};{1,-1,3,-3,5,3};{3,-7,1,-1, -7,-5};{-5,-5,5,5,5,3};{-7,5,-7,3,3,3};{-3,-3,-5,3,5,-5};{5,5,5,-7,7,-7};{3,-7,-1,-7,-3,-3};{1,5,-1,-1,-1,5};{-5,-1,3,-1,1,3};{-7,1,-5,-5,-5,5};{-1,-5,3,5,3,-5};{-3,5,- 5,-5,-5,5};{-5,-5,-1,5,3,-5};{1,-7,3,3,-7,-1};{-1,-3,3,1,5,-5};{-5,-1,5,-7,5,-5};{3,3,-3,-7,-3,-3};{5,-7,5,-1,-5,-5};{5,-5,3,-1,-5,3};{-5,3,5,-1,1,-3};{3,-5,5,3,-5,-1}.

[0086] In one design, the method is applied to an access network device, the first result is a decoding result, and determining the first result based on the fourth sequence and the third sequence includes: determining Y sixth sequences based on Y third cyclic shift values ​​and the third sequence; performing correlation operations on the fourth sequence and Y sixth sequences respectively to obtain Y correlation values, where Y is an integer greater than zero; and determining the decoding result based on the sixth sequence corresponding to the maximum correlation value among the Y correlation values.

[0087] In one design, the method is applied to an access network device, the first result is a decoding result, and determining the first result based on the fourth sequence and the third sequence includes: determining N seventh sequences based on N complex symbols and the third sequence; performing correlation operations on the fourth sequence and the N seventh sequences respectively to obtain N correlation values, where N is an integer greater than zero; and determining the decoding result based on the seventh sequence corresponding to the maximum correlation value among the N correlation values.

[0088] In one design, the method is applied to a terminal or an access network device, the first result is a channel estimation result, and determining the first result based on the fourth sequence and the third sequence includes: determining the eighth sequence based on the third sequence and a fourth cyclic shift value; and determining the channel estimation result based on the fourth sequence and the eighth sequence.

[0089] In a third aspect, a signal transmission method is provided, wherein the method is performed by a first communication device. It is understood that in an uplink communication scenario, the first communication device may be a device having terminal functions. In a downlink communication scenario, the first communication device may be a device having access network device functions. The method includes: determining a fourth sequence, wherein the fourth sequence {f n} contains X elements, X is an integer greater than zero, f n For the fourth sequence {f n}, f n Satisfies: f n =A*x n *exp(2*π*j*a*n);

[0090] Wherein, n is an integer between 0 and X-1, X is an integer greater than zero, A indicates phase and / or amplitude modulation, A is a non-zero complex number, and exp represents an exponential function with e as the base. a represents the cyclic shift value, a is a real number, {x n} represents the third sequence, x n For the third sequence {x n}, x n satisfy:

[0091] Among them, s n Represents the second sequence {s n}, the second sequence {s n} includes X elements, the s n satisfy:

[0092] Among them, exp represents the exponential sequence with e as the base, represents the phase of the second sequence, satisfy: or,

[0093] in, Modulo 2*π, or not modulo 2*π, h represents the modulation index, L represents the impulse length, N represents the sampling rate, J represents the number of sampling blocks, h, L, N and J are all real numbers, T represents the symbol period, q(t) represents the phase response function, β i Denotes the first sequence {β i}, i is an integer between 0 and J-1.

[0094] Mapping the fourth sequence onto X subcarriers to generate a first signal; and sending the first signal.

[0095] In a fourth aspect, a signal receiving method is provided, wherein the method is performed by a second communication device. In an uplink communication scenario, the second communication device is a device having access network device functions. In a downlink communication scenario, the second communication device is a device having terminal functions. The method includes: receiving a first signal; performing orthogonal frequency division multiplexing (OFDM) demodulation on the first signal to determine a fourth sequence; the fourth sequence {f n} contains X elements, X is an integer greater than zero, f n For the fourth sequence {f n}, f n Satisfies: f n =A*x n *exp(2*π*j*a*n);

[0096] Wherein, n is an integer between 0 and X-1, X is an integer greater than zero, A indicates phase and / or amplitude modulation, A is a non-zero complex number, and exp represents an exponential function with e as the base. a represents the cyclic shift value, a is a real number, {x n} represents the third sequence, x n For the third sequence {x n}, x n satisfy:

[0097] Among them, s n Represents the second sequence {s n}, the second sequence {s n} includes X elements, the s n satisfy:

[0098] Among them, exp represents the exponential sequence with e as the base, represents the phase of the second sequence, satisfy: or,

[0099] in, Modulo 2*π, or not modulo 2*π, h represents the modulation index, L represents the impulse length, N represents the sampling rate, J represents the number of sampling blocks, h, L, N and J are all real numbers, T represents the symbol period, q(t) represents the phase response function, β i Denotes the first sequence {β i}, i is an integer between 0 and J-1.

[0100] A first result is determined based on the fourth sequence and the third sequence, where the first result is a decoding result, or the first result is a channel estimation result, the third sequence is a sequence after discrete Fourier transform DFT of the second sequence, and the second sequence is a discrete sequence of continuous phase modulation CPM modulation sampling of the first sequence.

[0101] In a fifth aspect, a device is provided that can implement the method of the first or third aspect. For example, the device includes means for executing the method of the first or third aspect. The device can be implemented in hardware, software, or by executing the corresponding software implementation in hardware.

[0102] In one design, the apparatus includes a unit for executing the method of the first or third aspect described above.

[0103] In one design, the apparatus includes a processor and a memory, and the processor is configured to execute a computer program or instructions stored in the memory, so that the apparatus implements the method of the first or third aspect described above.

[0104] In one design, the device includes a processor and an interface circuit, the interface circuit is used to receive signals from other devices outside the device and transmit them to the processor or send signals from the processor to other devices outside the device, and the processor is used to implement the method of the first aspect or the third aspect above through logic circuits or executing code instructions.

[0105] In one design, the device may be a first device, or a module or unit (for example, a chip, or a chip system, or a circuit) in the first device that corresponds one-to-one to executing the method / operation / step / action described in the first aspect or the third aspect, or may be capable of being used in combination with the first device.

[0106] In a sixth aspect, a device is provided that can implement the method of the second or fourth aspect. For example, the device includes means for executing the method of the second or fourth aspect. The device can be implemented in hardware, software, or by executing the corresponding software implementation in hardware.

[0107] In one design, the apparatus includes a unit for executing the method of the second aspect or the fourth aspect described above.

[0108] In one design, the apparatus includes a processor and a memory, and the processor is configured to execute a computer program or instructions stored in the memory, so that the apparatus implements the method of the second or fourth aspect described above.

[0109] In one design, the device includes a processor and an interface circuit, the interface circuit is used to receive signals from other devices outside the device and transmit them to the processor or send signals from the processor to other devices outside the device, and the processor is used to implement the method of the second or fourth aspect above through logic circuits or executing code instructions.

[0110] In one design, the device may be a second device, or a module or unit (for example, a chip, or a chip system, or a circuit) in the second device that corresponds one-to-one to executing the method / operation / step / action described in the second aspect or the fourth aspect, or may be capable of being used in combination with the second device.

[0111] In the seventh aspect, a computer-readable storage medium is provided, which stores a computer program or instruction. When the computer program or instruction is executed on a computer, the computer implements the method of any one of the first to fourth aspects above.

[0112] In an eighth aspect, a computer program product is provided, comprising a computer program or instructions, which enables the method of any one of the above-mentioned first to fourth aspects to be executed when the computer program or instructions are executed by a computer.

[0113] In the ninth aspect, a chip is provided, comprising a processor, wherein the processor is coupled to a memory and is used to execute a computer program or instruction stored in the memory, so that the chip implements the method of any one of the first to fourth aspects above.

[0114] In the tenth aspect, a communication system is provided, comprising: a first communication device and a second communication device; wherein the first communication device is used to implement the method of the first aspect above, and the second communication device is used to implement the method of the second aspect above; or, the first communication device is used to implement the method of the third aspect above, and the second communication device is used to implement the method of the fourth aspect above. BRIEF DESCRIPTION OF THE DRAWINGS

[0115] FIG1 is a schematic diagram of a communication system provided in an embodiment of the present application;

[0116] FIG2 is a schematic diagram of a process flow provided in an embodiment of the present application;

[0117] FIG3 is a schematic structural diagram of a device provided in an embodiment of the present application;

[0118] FIG4 is another schematic diagram of the structure of the device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0119] In order to make the purpose, technical solutions and advantages of this application more clear, the application will be further described in detail below with reference to the accompanying drawings. The specific operation methods and functional descriptions in the method embodiments can also be applied to the device embodiments or system embodiments.

[0120] The various numbers and terms such as "first" and "second" used in the embodiments of this application are merely for convenience of description and are not intended to limit the scope of the embodiments of this application. The order of the sequence numbers of the above-mentioned processes does not necessarily indicate the order in which they are executed. The order in which the processes are executed should be determined by their functions and internal logic.

[0121] In the embodiments of this application, unless otherwise specified, the number of nouns refers to "singular or plural," that is, "one or more." "At least one" refers to one or more, and "more than one" refers to two or more. "And / or" describes the relationship between associated objects, indicating that three relationships can exist. For example, "A and / or B" can mean: A exists alone, A and B exist simultaneously, and B exists alone, where A and B can be singular or plural.

[0122] FIG1 is a schematic diagram illustrating a possible, non-limiting system. As shown in FIG1 , a communication system 10 includes a radio access network (RAN) 100 and a core network (CN) 200. Optionally, the Internet 300 is also included.

[0123] The RAN 100 includes at least one RAN node (e.g., 110a and 110b in FIG. 1 , collectively referred to as 110) and at least one terminal (e.g., 120a to 120j in FIG. 1 , collectively referred to as 120). The RAN 100 may also include other RAN nodes, such as wireless relay equipment and / or wireless backhaul equipment (not shown in FIG. 1).

[0124] Terminal 120 can be connected to RAN node 110 wirelessly. RAN node 110 is connected to core network 200 wirelessly or by wire. The core network device in core network 200 and RAN node 110 in RAN 100 can be different physical devices, or they can be a single physical device that integrates the logical functions of the core network device and the logical functions of the radio access network.

[0125] RAN 100 may be a cellular system related to the Third Generation Partnership Project (3GPP), such as a fourth generation (4G) mobile communication system, a fifth generation (5G) mobile communication system, or a future-oriented evolution system, such as a sixth generation (6G) mobile communication system. RAN 100 may also be an open access network (O-RAN or ORAN), a cloud radio access network (CRAN), or a wireless fidelity (WiFi) system. RAN 100 may also be a communication system that integrates two or more of the above systems.

[0126] The multiple RAN nodes 110 in the communication system 10 can be nodes of the same type or different types. In some scenarios, the roles of the RAN nodes 110 and the terminals 120 are relative. For example, in FIG1 , the network element 120i can be a helicopter or a drone, which can be configured as a mobile base station. For the terminals 120j accessing the RAN 100 through the network element 120i, the network element 120i is a base station; however, for the base station 110a, the network element 120i is a terminal.

[0127] In one possible scenario, the RAN node 110 may be a base station, an evolved NodeB (eNodeB), an access point (AP), a transmission reception point (TRP), a next generation NodeB (gNB), a next generation base station in a 6G mobile communication system, a base station in a future mobile communication system, or an access node in a WiFi system. The RAN node 110 may be a macro base station (such as 110a in FIG1 ), a micro base station or an indoor station (such as 110b in FIG1 ), a relay node or a donor node, or a wireless controller in a CRAN scenario. Optionally, the RAN node 110 may also be a server, a wearable device, a vehicle or an onboard device. For example, the access network device in the vehicle to everything (V2X) technology may be a road side unit (RSU). All or part of the functions of the RAN node 110 in the embodiments of the present application may also be implemented by software functions running on hardware, or by virtualized functions instantiated on a platform (such as a cloud platform). The RAN node 110 in the embodiment of the present application may also be a logical node, a logical module or software that can implement all or part of the functions of the RAN node 110.

[0128] In another possible scenario, multiple RAN nodes 110 collaborate to assist the terminal 120 in achieving wireless access, with different RAN nodes 110 implementing portions of the base station's functionality. For example, the RAN node 110 may be a centralized unit (CU), a distributed unit (DU), a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU). The CU and DU may be separate or included in the same network element, such as a baseband unit (BBU). The RU may be included in a radio frequency device or radio unit, such as a remote radio unit (RRU), an active antenna unit (AAU), or a remote radio head (RRH).

[0129] In different systems, CU (or CU-CP and CU-UP), DU or RU may also have different names, but those skilled in the art can understand their meanings. For example, in the ORAN system, CU may also be called O-CU (Open CU), DU may also be called O-DU, CU-CP may also be called O-CU-CP, CU-UP may also be called O-CU-UP, and RU may also be called O-RU. For the convenience of description, this application uses CU, CU-CP, CU-UP, DU and RU as examples for description. Any unit of CU (or CU-CP, CU-UP), DU and RU in this application can be implemented by a software module, a hardware module, or a combination of a software module and a hardware module.

[0130] The terminal 120 may also be referred to as a terminal device, user equipment (UE), mobile station, mobile terminal, etc. The terminal 120 can be widely used in various scenarios, such as device-to-device (D2D), vehicle-to-everything (V2X) communication, machine-type communication (MTC), Internet of Things (IoT), virtual reality (VR), augmented reality (AR), industrial control, autonomous driving, telemedicine, smart grid, smart furniture, smart office, smart wearable, smart transportation, smart city, etc. The terminal 120 can be a mobile phone, a head-mounted display device, a tablet computer, a computer with wireless transceiver function, a wearable device, a vehicle, a drone, a helicopter, an airplane, a ship, a robot, a robotic arm, a smart home device, etc. The embodiments of the present application do not limit the device form of the terminal 120.

[0131] RAN node 110 and terminal 120 are sometimes referred to as communication devices. For example, network elements 110a and 110b in Figure 1 can be understood as communication devices with base station functionality, and network elements 120a-120j can be understood as communication devices with terminal functionality. RAN node 110, sometimes also referred to as access network equipment, a RAN entity, or an access node, constitutes part of a communication system and facilitates wireless access for terminal 120. Throughout this application, unless otherwise specified, the term "access network equipment" will be used.

[0132] In the communication system shown in FIG1 , information can be transmitted between a terminal and an access network device. Taking the example of a terminal sending uplink information to an access network device, the terminal obtains a computer generated sequence (CGS) sequence; the terminal modulates the information to be sent onto the CGS sequence, and after orthogonal frequency division multiplexing (OFDM) modulation, sends it to the access network device via an uplink channel. Since the CGS sequence generated by the terminal is a constant modulus sequence in the frequency domain, after OFDM modulation, the constant modulus sequence in the frequency domain is transformed into a non-constant modulus sequence in the time domain. For a non-constant modulus sequence, its amplitude fluctuates greatly, and its peak-to-average power ratio (PAPR) is relatively high, with a PAPR value of about 2.7 decibels (dB). How to reduce the PAPR value of the signal sent by the transmitting end and improve coverage performance is a technical problem to be solved in the embodiments of the present application.

[0133] In view of this, an embodiment of the present application provides a signal sending and receiving method, including: the transmitting end performs continuous phase modulation (CPM) modulation sampling on the first sequence to obtain a second sequence; CPM modulation sampling includes two processes: CPM modulation and sampling. For example, the transmitting end performs CPM modulation on the first sequence to obtain a CPM sequence; and samples the CPM sequence to obtain a second sequence. Among them, the CPM sequence is a time domain constant modulus sequence, and theoretically the PARR value is equal to zero. The transmitting end performs a discrete Fourier transform (DFT) on the second sequence to transform the second sequence from the time domain to the frequency domain to obtain a third sequence, which is a frequency domain sequence. The transmitting end modulates the information to be sent onto the third sequence to obtain a fourth sequence. The transmitting end maps the fourth sequence to X subcarriers to obtain a fifth sequence. The fifth sequence is OFDM modulated to generate a first signal, and the first signal is sent to the receiving end. During the OFDM modulation process, the transmitting end transforms the fifth sequence from the frequency domain to the time domain. It can be seen that in the method of the embodiment of the present application, a CPM sequence with constant modulus in the time domain is first generated, and then a DFT transform is performed to transform the sequence from the time domain to the frequency domain. After that, the sequence is transformed from the frequency domain to the time domain through OFDM transformation. The entire processing process can be summarized as: converting the CPM sequence with constant modulus in the time domain to the frequency domain, and then converting the frequency domain sequence to the time domain. In theory, the first signal after OFDM modulation is constant modulus in the time domain, and its PAPR value is equal to zero, but in actual application, affected by various factors, the PAPR value of the first signal may be less than or equal to the first threshold, for example, the first threshold is equal to 0.5dB. Compared with the method of sending signals using a CGS sequence, the method of the embodiment of the present application can reduce the PAPR value of the signal sent by the transmitting end and improve the coverage performance.

[0134] It can be understood that the method provided in the embodiment of the present application can be applied to the uplink communication process. During the uplink communication process, the transmitting end is a terminal, and the terminal can adopt the signal sending method provided in the embodiment of the present application to send a first signal. The receiving end is an access network device, and the access network device can adopt the signal receiving method provided in the embodiment of the present application to receive the first signal. Alternatively, the method provided in the embodiment of the present application can be applied to the downlink communication process. During the downlink communication process, the transmitting end is an access network device, and the access network device can adopt the signal sending method provided in the embodiment of the present application to send a first signal. The receiving end is a terminal, and the terminal can adopt the signal receiving method provided in the embodiment of the present application to receive the first signal.

[0135] For ease of understanding and explanation, the following describes the solution of the embodiment of the present application using the interaction between a first communication device and a second communication device as an example. It will be understood that during the uplink communication process, the terminal acts as the transmitter and the access network device acts as the receiver. The first communication device can be a device with terminal functions. For example, the first communication device can be a terminal, or a module in the terminal (such as a circuit, chip, or chip system), or a logical node, logical module, or software that implements all or part of the terminal functions. The second communication device can be a device with access network device functions. For example, the second communication device can be an access network device, or a module in the access network device (such as a circuit, chip, or chip system), or a logical node, logical module, or software that implements all or part of the functions. During the downlink communication process, the access network device acts as the transmitter and the terminal acts as the receiver. The first communication device is a device with access network device functions. For example, the first communication device can be an access network device, or a module in the access network device, or a logical node, logical module, or software that implements all or part of the access network device functions. The second communication device is a device having terminal functions. For example, the second communication device may be a terminal, a module in a terminal, or a logical node, a logical module, or software that implements all or part of the terminal functions.

[0136] As shown in FIG2 , the embodiment of the present application provides a flow chart, including:

[0137] Step 200: The first communication device determines a fourth sequence based on the third sequence, where the third sequence is a sequence obtained by performing DFT on the second sequence, and the second sequence is a discrete sequence obtained by performing CPM modulation sampling on the first sequence.

[0138] In one possible implementation, a first communications device performs CPM modulation sampling on a first sequence to obtain a second sequence, where the second sequence is a discrete sequence. For example, CPM modulation sampling includes two processes: CPM modulation and sampling. For example, the first communications device performs CPM modulation on the first sequence to obtain a CPM sequence. The first communications device samples the CPM sequence to obtain a second sequence, where the second sequence is a discrete CPM sequence. Alternatively, the CPM modulation and sampling processes can be performed simultaneously. For example, when a first sequence includes eight elements, the first communications device performs CPM modulation on a portion of the elements included in the first sequence while simultaneously sampling the CPM sequences corresponding to another portion of the elements included in the first sequence.

[0139] For example, the first communication device may input the first sequence into a CPM modulator to obtain a CPM sequence. The CPM sequence may be a phase-continuous, constant modulus time-domain signal, and the CPM sequence s(t,β) satisfies:

[0140] Among them, βi Represents the first sequence {β i}, exp represents the exponential function with e as the base, Indicates the phase of the CPM sequence.

[0141] When the initial phase of the CPM sequence is 0, the phase of the CPM sequence satisfy:

[0142] Alternatively, when the initial phase of the CPM sequence is not equal to 0, the phase of the CPM sequence satisfy:

[0143] in, modulo 2*π, or, Without taking the modulus of 2*π, h represents the modulation index, L represents the impulse length, and both h and L are real numbers. For example, the value of h can be 1 / 2 or 1 / 4, which affects the phase interval of adjacent CPM modulated signals. The value of L can be 3, which means that the output of the current CPM modulator is related to the current input symbol and the two input symbols before it. Alternatively, the value of L can be 4, which means that the output of the current CPM modulator is related to the current input symbol and the three input symbols before it. T represents the symbol period, and the value of T may be 1, which means that the duration of each input symbol is 1. β i Denotes the first sequence {β i}, i is an integer between 0 and n, and q(t) represents the phase response function. Optionally, q(t) is associated with the impulse function F(t). For example, q(t) satisfies:

[0144] Wherein, F(t) represents an impulse function, and F(t) can be a rectangular impulse function, a raised cosine impulse function, etc., without limitation. For example, when F(t) is a raised cosine impulse function, F(t) satisfies:

[0145] The first communication device samples the CPM sequence to obtain a second sequence, which is a discrete CPM sequence. For example, the second sequence s satisfies:

[0146] Where T represents the symbol period, N represents the sampling rate, and J represents the number of sampling blocks. For example, N may be 2, which means that it takes two values ​​within one symbol period T. For example, within the first symbol period T, the output second sequence (i.e., CPM sequence) includes two elements, namely The value of J may be 6, which indicates that the number of symbols sampled for CPM modulation is 6.

[0147] In one possible design, the first communication device discretely modulates the CPM sequence to obtain X elements, and the second sequence {s n Any element s of n satisfy:

[0148] Where n is an integer between 0 and X-1, exp represents an exponential function with e as the base, represents the phase of the second sequence, satisfy: or,

[0149] in, modulo 2*π, or, Instead of taking the modulus of 2*π, h represents the modulation index, L represents the impulse length, N represents the sampling rate, J represents the number of sampling blocks, h, L, N and J are all real numbers, T represents the symbol period, q(t) represents the phase response function, β i Denotes the first sequence {β i}, i is an integer between 0 and J-1.

[0150] The first communication device performs a DFT transform on the second sequence, transforming the second sequence from the time domain to the frequency domain to obtain a third sequence, which is a frequency domain sequence. The first communication device determines a fourth sequence based on the third sequence. For example, the first communication device modulates the information to be transmitted onto the third sequence to obtain the fourth sequence.

[0151] In one possible implementation, the first communication device is a device with a terminal function. Taking the first communication device feeding back information on a physical uplink control channel (PUCCH) of format 0 as an example: the first communication device can determine a first cyclic shift value based on the information to be sent; the first communication device cyclically shifts the third sequence according to the first cyclic shift value to determine a fourth sequence.

[0152] Optionally, the information to be sent may be hybrid automatic repeat request (HARQ) feedback information, or other information other than HARQ feedback, etc., without limitation. For example, the information to be sent is HARQ feedback information. HARQ feedback information and cyclic shift sequence m CS The first communication device can be based on the HARQ feedback information and the cyclic shift sequence m CS The corresponding relationship is used to determine the cyclic shift sequence m corresponding to the HARQ feedback information to be sent. CS For example, 4 cyclic shift sequences mCS , respectively: {0}, {3}, {6}, {9}. Among them, the cyclic shift sequence m corresponding to the HARQ feedback information 00 CS {0}, cyclic shift sequence m corresponding to HARQ feedback information 01 CS {3}, cyclic shift sequence m corresponding to HARQ feedback information 10 CS {6}, cyclic shift sequence m corresponding to HARQ feedback information 11 CS {9}; The first communication device transmits a cyclic shift sequence m CS , determine the first cyclic shift value. For example, when the cyclic shift sequence m CS When the first cyclic shift value is 3, the first cyclic shift value is 3 / 12. The first cyclic shift value is represented by α, and the third sequence is represented by {x n}, x n For the third sequence {x n}, the fourth sequence is represented by {f n}, f n For the fourth sequence {f n}, f n satisfy:

[0153] In another possible implementation, the first communication device is a device with terminal functionality. For example, the first communication device feeds back information on a PUCCH in format 1. The first communication device determines a first complex symbol based on information to be transmitted, and determines a fourth sequence based on the first complex symbol and a third sequence. For example, the first communication device multiplies the first complex symbol by the third sequence to obtain the fourth sequence.

[0154] Optionally, the information to be sent may be HARQ feedback information, or other information other than HARQ feedback, etc., without limitation. Take the example of the information to be sent being HARQ feedback information. In this possible implementation, the cyclic shift sequence m CS is a preset value or a fixed value, and the first communication device performs a cyclic shift according to the preset or fixed cyclic shift sequence m CS , determine the cyclic shift value α. The first complex symbol is obtained by modulating the HARQ feedback information to be sent, and the modulation method includes but is not limited to binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), 8-quadrature amplitude modulation (QAM), or 16QAM. For example, the first complex symbol obtained after the HARQ feedback information is modulated by BPSK may be 1 or -1. The third sequence is represented by {xn}, x n For the third sequence {x n}, the first complex symbol is represented by d(0), and the fourth sequence is represented by {f n}, f n For the fourth sequence {f n}, f n satisfy:

[0155] In another possible implementation, the first communication device is a device having a terminal function, or the first communication device is a device having an access network device function. The first communication device may use the method of the process in Figure 2 to feed back a reference signal to the second communication device, including: the first communication device determines a second cyclic shift value based on the information to be sent; the first communication device cyclically shifts the third sequence according to the second cyclic shift value to determine a fourth sequence.

[0156] Optionally, the information to be sent may be a reference signal, or other information other than a reference signal, etc., without limitation. For example, the information to be sent is a reference signal. For example, for different reference signals, the corresponding cyclic shift sequence m CS The first communication device may be configured to receive the reference signal and the cyclic shift sequence m according to the reference signal and the cyclic shift sequence m. CS The corresponding relationship is used to determine the cyclic shift sequence m corresponding to the reference signal to be sent. CS The first communication device receives the cyclic shift sequence m corresponding to the reference signal to be sent. CS , determine the second cyclic shift value α; the third sequence is expressed as {x n}, x n For the third sequence {x n}, the fourth sequence is represented by {f n}, f n For the fourth sequence {f n}, f n satisfy:

[0157] Optionally, the first communications device may also determine a first sequence, the process of which includes: the first communications device determining a first group number u based on parameters configured by a higher layer. The first communications device determines a sequence corresponding to the first group number u based on the correspondence between group numbers and sequences, which is referred to as the first sequence. Subsequently, the first communications device performs CPM modulation sampling on the first sequence as described above to determine a second sequence. The second sequence is subjected to a DFT transform to obtain a third sequence. A fourth sequence is determined based on the third sequence; the fourth sequence is mapped onto X subcarriers to generate the first signal. Alternatively, the first communications device may directly determine the second sequence. For example, the process of the first communications device determining the second sequence includes: the first communications device determining a second group number u′ based on parameters configured by a higher layer; the first communications device determining a sequence corresponding to the second group number u′ based on the correspondence between group numbers and sequences, which is referred to as the second sequence. Subsequently, the first communications device performs a DFT transform on the second sequence as described above to obtain a third sequence. A fourth sequence is determined based on the third sequence. The fourth sequence is mapped onto X subcarriers to generate the first signal.

[0158] In a possible implementation, the fourth sequence can be expressed as {f n}, the fourth sequence {f n} includes X elements, X is an integer greater than zero, f n For the fourth sequence {f n}, f n Satisfies: f n =A*x n *exp(2*π*j*a*n);

[0159] Wherein, n is an integer between 0 and X-1, X is an integer greater than zero, A indicates phase and / or amplitude modulation, A is a non-zero complex number, and exp represents an exponential function with e as the base. a represents the cyclic shift value, a is a real number, {x n} represents the third sequence, x n For the third sequence {x n}, x n satisfy:

[0160] Among them, s n Represents the second sequence {s n}. Optionally, the second sequence {s n} includes X elements, s n satisfy:

[0161] Among them, exp represents the exponential sequence with e as the base, represents the phase of the second sequence, satisfy: or,

[0162] in, Modulo 2*π, or not modulo 2*π, h represents the modulation index, L represents the impulse length, N represents the sampling rate, J represents the number of sampling blocks, h, L, N and J are all real numbers, T represents the symbol period, q(t) represents the phase response function, β i Represents the first sequence {β i}, i is an integer between 0 and J-1.

[0163] Step 210: The first communication device maps the fourth sequence to X subcarriers to generate a first signal, where X is an integer greater than zero.

[0164] In one possible implementation, the fourth sequence includes X elements, and the first communication device maps the X elements to X consecutive subcarriers to obtain a fifth sequence; or, the first communication device maps the X elements to X non-consecutive and equally spaced subcarriers to obtain a fifth sequence. The first communication device performs OFDM modulation on the fifth sequence to obtain a first signal. The OFDM modulation process includes inverse discrete Fourier transform (IDFT) transformation and adding a cyclic prefix (CP). For example, the fourth sequence includes 12 elements, and the number of subcarriers used to send the first signal is 1200. The first communication device can map the 12 elements to 12 consecutive subcarriers among the 1200 subcarriers, or to 12 non-consecutive and equally spaced subcarriers. The first communication device pads the remaining 1188 subcarriers of the 1200 subcarriers with zeros, excluding the above 12 subcarriers, to obtain 1200 elements. The fifth sequence includes 12 elements of the fourth sequence and 1188 elements with subsequent zero padding. The first communication device performs zero padding on the 1200 elements of the fifth sequence. The IDFT transformation of the point is performed, where ceil() represents a rounding-up operation, the fifth sequence is transformed from the frequency domain to the time domain, and CP is added to the time domain sequence to obtain the first signal.

[0165] Step 220: The first communication device sends a first signal, and the second communication device receives the first signal.

[0166] In one possible implementation, when the information to be sent is HARQ feedback information, the first signal is a signal carrying the HARQ information. Alternatively, when the information to be sent is scheduling request (SR) information, the first signal is a signal carrying the SR information. Alternatively, when the information to be sent is information corresponding to a reference signal, the first signal is a demodulation reference signal (DMRS), or the first signal is a phase-tracking reference signal (PT-RS).

[0167] Step 230: The second communication device performs OFDM demodulation on the first signal to determine a fourth sequence.

[0168] In one possible implementation, the OFDM demodulation process includes processes such as DFT transformation and CP removal. For example, the second communication device may perform CP removal on the first signal to obtain a sequence. The second communication device then performs a 2048-point DFT transform on the sequence, transforming the sequence from the time domain to the frequency domain to obtain a fifth sequence. The second communication device then obtains a fourth sequence from the fifth sequence. For example, if the fifth sequence includes 1200 elements, the second communication device may select 12 elements from the 1200 elements that correspond to the positions of the fourth sequence, thereby obtaining the fourth sequence.

[0169] Step 240: The second communication device determines a first result according to the fourth sequence and the third sequence.

[0170] In one possible implementation, the process by which the second communication device determines the third sequence is similar to the process by which the first communication device determines the third sequence. For example, the second communication device performs CPM modulation sampling on the first sequence to obtain a second sequence, where the second sequence is a discrete sequence of the CPM modulation sampling of the first sequence. The second communication device performs a DFT transform on the second sequence to obtain a third sequence, which is the DFT result of the second sequence. For details, refer to the process by which the first communication device determines the third sequence.

[0171] In one possible implementation, the first result is a decoding result, the first signal is transmitted on the PUCCH of format 0, and the second communication device is a device having an access network device function: the second communication device can determine Y sixth sequences based on Y third cyclic shift values ​​and the third sequence; the second communication device performs correlation operations on the fourth sequence and the Y sixth sequences respectively to obtain Y correlation values, where Y is an integer greater than zero; the second communication device determines the decoding result based on the sixth sequence corresponding to the maximum correlation value among the Y correlation values.

[0172] For example, taking the first result as the decoding result of HARQ feedback as an example, the second communication device can determine all possible cyclic shift sequences m according to all possible HARQ feedback information. CS The second communication device according to all possible cyclic shift sequences m CS , determine all possible cyclic shift values. In one description, all possible cyclic shift values ​​are described as Y third cyclic shift values. For example, for two bits of HARQ feedback information, the combination of cyclic shift values ​​is {0 / 12, 3 / 12, 6 / 12, 9 / 12}, that is, all possible cyclic shift values ​​are 4, and the value of Y is 4. In this case, there are 4 third cyclic shift values. The third sequence is represented by {x n}, x n For the third sequence {x n}, one of the Y third cyclic shift values ​​is represented by α, and one of the Y sixth sequences {y n},y n For the sixth sequence {y n}, y n satisfy:

[0173] The second communication device performs correlation operations with the Y sixth sequences respectively based on the fourth sequence obtained from the received first signal, obtaining Y correlation values. The second communication device selects the largest correlation value among the Y correlation values. The second communication device determines the sixth sequence corresponding to the largest correlation value. The second communication device reversely deduces the cyclic shift value α corresponding to the sixth sequence, and further reversely deduces the corresponding cyclic shift sequence m. CS , and further infer the cyclic shift sequence m CS The corresponding HARQ feedback information is used as the decoding result.

[0174] In another possible implementation, the first result is a decoding result, the first signal is transmitted on the PUCCH of format 1, and the second communication device is a device having an access network device function: the second communication device determines N seventh sequences based on the N complex symbols and the third sequence; the second communication device performs correlation operations on the fourth sequence and the N seventh sequences respectively to obtain N correlation values, where N is an integer greater than zero; the second communication device determines the decoding result based on the seventh sequence corresponding to the maximum correlation value among the N correlation values.

[0175] For example, the first result is the decoding result of the HARQ feedback. The second communication device can determine all possible complex symbols based on all possible HARQ feedback information. In one description, all possible complex symbols are described as N complex symbols. For example, for two bits of HARQ feedback information, the value combination after QPSK modulation is At this time, all possible complex symbols are 4, and the value of N is equal to 4. At this time, there are 4 complex symbols. The third sequence is represented by {x n}, x n For the third sequence {x n}, one of the N complex symbols is represented by d(0), one of the N seventh sequences {y n},y n For the seventh sequence {y n}, y n satisfy:

[0176] The second communication device performs correlation operations on the fourth sequence obtained based on the received first signal with each of the N seventh sequences, obtaining N correlation values. The second communication device selects a correlation value with the largest correlation value among the N correlation values. The second communication device determines the seventh sequence corresponding to the largest correlation value. The second communication device reversely deduces the complex symbol corresponding to the seventh sequence, further reversely deduces HARQ feedback information corresponding to the complex symbol, and uses the HARQ feedback information as a decoding result.

[0177] In another possible implementation, when the first result is a channel estimation result, the second communication device is a device with a terminal function, or the second communication device is a device with an access network device function: the second communication device determines the eighth sequence based on the third sequence and the fourth cyclic shift value; the second communication device determines the channel estimation result based on the fourth sequence and the eighth sequence.

[0178] For example, the second communication device may determine the cyclic shift value corresponding to the currently transmitted reference signal according to the correspondence between the reference signal and the cyclic shift value, and the cyclic shift value may be referred to as the fourth cyclic shift value. The third sequence is represented as {x n}, x n For the third sequence {x n}, the fourth cyclic shift value is represented as α, and the eighth sequence is represented as {y n},y n For the eighth sequence {y n}, y n satisfy:

[0179] The second communication device performs channel estimation based on the fourth sequence and the eighth sequence obtained from the received first signal, and determines a channel estimation result.

[0180] It can be understood that the reference signal can be transmitted in a data channel or in a control channel. If the first signal in the embodiment of the present application is an uplink reference signal, the first signal can be transmitted in the PUCCH, or the first signal can be transmitted in the physical uplink shared channel (PUSCH). Alternatively, if the first signal in the embodiment of the present application is a downlink reference signal, the first signal can be transmitted in the physical downlink control channel (PDCCH), or the first signal can be transmitted in the physical downlink data channel (PDSCH).

[0181] In one possible implementation, during CPM modulation sampling by the first or second communication device: the modulation index h is a real number ranging from 11 / 64 to 11 / 32; the impulse length L is a value ranging from L>1; q(t) is a phase response function that is 0 when t < 0 and a fixed value when t ≥ LT; and the sampling rate N and the number of sampling blocks J satisfy: NJ = X.

[0182] By using the above method, during the CPM modulation sampling process, each parameter satisfies the above conditions, and the block error rate (BLER) of the receiving end (ie, the second communication device) during sequence detection is lower.

[0183] Optionally, in order to ensure that the generated CPM sequence meets the requirements, the design of the CPM sequence needs to meet the following requirements:

[0184] 1. Good autocorrelation performance: This property allows the receiver to achieve a lower BLER during sequence detection. Furthermore, the autocorrelation value of the CPM sequence in the frequency domain at a cyclic shift of 0 is greater than or equal to twice the autocorrelation value at a cyclic shift that is an integer multiple of one-quarter the length of the entire CPM sequence.

[0185] 2. The phase at the end position and the phase at the start position in the time domain are continuous: satisfying this feature can make the PAPR value of the CPM sequence lower. In order to satisfy this feature, the first sequence {β i} element β i ,satisfy:

[0186] Where P represents the denominator of the modulation index h. For example, when the modulation index h is 1 / 2, the value of P is 2.

[0187] In one possible implementation, when the modulation index The impulse length L = 3, the modulation dimension M = 8, and the modulation dimension represents the value range of the first sequence. For example, for M-dimensional modulation, the values ​​of the first sequence belong to the following set {±1, ±3, ±5, …, ±M-1}, and the phase response function q(t) is:

[0188] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0189] The first sequence {β i} belongs to the first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-1, 1, 5, 3, -1, -7}; {-3, -1, 1, 5, -5, 1}; {-7, -5, -1, -3, -3, -5}; {3, -1, 3, 5, 5, 1}; {-7, -7, -7, -5, 5, -3}; {-1, -1, -1, -7, -3, -3}; {5, 5, 3, -5, 3, 5};{-7,7,-3,7,-3,7};{-5,-5,-3,-7,-3,7};{-5,3,-7,1,-5,5};{-5,-7,-3,-5,-7,3};{5,3,3,3,-7,1};{-1,1,5,3,-3,3};{-3,-3,-7,5,-5,-3};{3,5,5,5,-5,-5};{-1,3,-3,-7, -3,3};{7,-1,-1,-1,7,-3};{5,-7,7,-7,5,5};{-7,-5,5,-7,3,-5};{-5,1,-3,-5,7,-3};{7,-3,7,-3,-7,-1};{-5,3,-1,-5,7,1};{-7,-5,-7,1,-1,3};{3,-7,3,5,3,-7};{5,-3,- 5,-1,-7,3};{-1,1,1,3,-7,3};{-3,-7,3,-1,-3,3};{5,-3,7,-3,-3,-3};{3,-5,-5,-5,-1,5};{-7,-1,-5,1,-1,5};{7,-1,-3,7,-5,-5};{-5,-1,1,-7,-3,7};{-5,-3,7,1,-1,1}.

[0190] The first sequence set includes 33 groups of first sequences. These 33 groups of first sequences meet the conditions in the above-mentioned property 2, and the mutual correlation of these 33 groups of first sequences is close to the mutual correlation of the CGS sequence, with no significant difference. There is no restriction on the correspondence between these 33 groups of first sequences and group number u. For example, the correspondence between these 33 groups of first sequences and group number u is shown in Table 1:

[0191] Table 1

[0192] Through the above design, the autocorrelation of the generated CPM sequence satisfies the above-mentioned feature 1, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness of the first signal is less than 0.5. Optionally, the frequency domain flatness of the first signal can be measured by variance, where a smaller variance value indicates a smaller frequency domain flatness of the first signal, and conversely, a larger variance value indicates a greater frequency domain flatness of the first signal.

[0193] In another possible implementation, when the modulation index The impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) are:

[0194] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0195] The first sequence {β i} belongs to the first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-1, -3, 5, -1, 7, -7}; {7, 3, 5, 7, -5, 5}; {-3, -5, -5, -7, 5, -7}; {-7, -7, -7, 3, 3, -7}; {7, 7, 7, -1, -5, 7}; {-7, -3, -1, -7, 3, -7}; {-1,7,-1,3,-3,7};{3,-5,-7,3,-3,-3};{7,5,-3,7,1,5};{7,7,5,-7,-7,7};{-3,-1,3,3,-5,1};{-7,5,5,3,7,-3};{3,-7,-7,-7,1,-5};{-3,-7,1,7,-3,-5};{5 ,7,1,-3,7,-5};{-1,-5,7,-7,-1,-5};{-7,-7,-7,7,-3,7};{7,1,-7,-7,-7,3};{-1,-3,3,7,7,-3};{7,5,-7,-3,-7,5};{7,-5,-7,-1,7,-1};{-1,-7,5,-1,-1,5};{-5,1,-7,3,7,1};{-3,-7,5,-3,5,-7};{3,5,-3,7,5,-7};{-3,-5,5,-7,3,7};{-7,1,5,-5,-7,3};{3,-5,7,-5,-7,7};{-7,7,-1,-5,1,-7};{7,-7,-5,1,1,5}.

[0196] The first sequence set includes 30 groups of first sequences. These 30 groups of first sequences partially meet the conditions in Feature 2 above, and the mutual correlations of these 30 groups of first sequences are close to the mutual correlations of CGS sequences, with no significant difference. There is no restriction on the correspondence between these 30 groups of first sequences and group number u. For example, the correspondence between these 30 groups of first sequences and group number u is shown in Table 2:

[0197] Table 2

[0198] Through the above design, the autocorrelation of the generated CPM sequence meets the above feature 1, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness of the first signal is less than 0.6.

[0199] In one possible implementation, when the modulation index The impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) are:

[0200] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0201] The first sequence {β i} belongs to the first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-5,1,3,3,3,1}; {-3,-5,-5,-5,-3,-3}; {-1,3,-3,1,-3,3}; {-3,-1,-1,-3,1,-5}; {3,5,-1,1,-1,5}; {3,-1,-1,1,3,1}; {-1,-5,-3,-5,-1,-3}; { -3,-5,-5,-5,-3,3}; {3,1,5,-3,3,3}; {-3,-5,-1,-5,-3,5}; {1,-5,1,-3,3,-3}; {5,-1,-5,-1,5,3}; {-1,3,1,3,-1,-5}; {-1,-3,-3,-1,1,-5}; {3,-3,3,-1,1,3}; {-5,-3,-1,1,-1,-3} ;{5,-7,3,-7,5,-5};{-1,-3,-3,1,5,-5};{1,-5,3,-5,3,3};{-5,5,-3,5,-5,-3};{1,-1,5,-5,3,3};{3,3,3,-1,-5,-3};{-1,-5,3,-5,-1,3};{1,-5,1,3,-3,3};{-1,-5,-1,3,-5,3};{ -3,-5,-3,5,-7,1};{-1,5,-3,-1,-3,3};{-3,5,1,-1,-5,-3};{-1,-5,-3,5,-3,1};{-3,5,-1,-5,-3,1};{1,1,-5,1,5,-3};{5,1,-5,1,1,-3};{5,-1,-5,-1,1,-5};{-5,3,-1,3,-7,1}.

[0202] The first sequence set includes 34 groups of first sequences. These 34 groups of first sequences partially meet the conditions in the above-mentioned property 2, and the mutual correlation of these 34 groups of first sequences is close to the mutual correlation of the CGS sequence, with no significant difference. There is no restriction on the correspondence between these 34 groups of first sequences and group number u. For example, the correspondence between these 34 groups of first sequences and group number u is shown in Table 3:

[0203] Table 3

[0204] Through the above design, the autocorrelation of the generated CPM sequence satisfies the above characteristic 1, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.5.

[0205] In one possible implementation, when the modulation index The impulse length L = 2, the modulation dimension M = 8, and the phase response function q(t) are:

[0206] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0207] The first sequence {β i} belongs to the first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {1,5,5,-5,-1,-5}; {3,-7,-7,-1,3,-1}; {7,7,5,-3,5,1}; {-7,-7,-1,-3,-7,-7}; {7,7,1,7,1,-5}; {-7,-3,-5,1,-5,-3}; {1, 3,-1,-3,1,1};{7,7,5,3,-5,5};{-1,-7,1,-1,1,-5};{3,-7,-7,-5,-7,3};{-3,3,1,5,1,3};{-3,-7,-7,1,-5,-1};{7,7,5,-5,-7,5};{5,5,-5,-3,5,3};{-3,1,-3 ,5,7,3};{-7,-1,-7,-1,5,-1};{3,-3,5,5,1,-1};{-3,-3,-3,-1,-5,5};{-7,-7,-5,1,-1,-3};{5,-5,-7,-7,3,1};{-5,-1,-7,-7,3,-5};{5,3,5,-1,-1,1};{-7,- 7,1,5,7,-1};{5,-5,-3,-1,5,-1};{3,-3,-1,3,-7,-5};{-7,-3,-5,-3,3,-7};{3,-5,-1,3,1,-1};{-7,-5,-5,5,5,-5};{5,-5,-1,-7,-7,5};{-3,-1,1,3,-7,-3}.

[0208] The first sequence set includes 30 groups of first sequences. These 30 groups of first sequences partially meet the conditions in the aforementioned property 2, and the mutual correlations of these 30 groups of first sequences are not significantly different from the mutual correlations of CGS sequences. There is no restriction on the correspondence between these 30 groups of first sequences and group number u. For example, the correspondence between these 30 groups of first sequences and group number u is shown in Table 4:

[0209] Table 4

[0210] Through the above design, the autocorrelation of the generated CPM sequence satisfies the above characteristic 1, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.6.

[0211] In one possible implementation, when the modulation index The impulse length L = 2, the modulation dimension M = 8, and the phase response function q(t) are:

[0212] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0213] The first sequence {β i} belongs to the first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {3,-1,-7,-1,-3,-1}; {7,7,7,7,7,1}; {-7,-7,-5,5,-1,3}; {3,3,-3,1,3,5}; {-5,-3,-7,-7,1,-1}; {-7,5,5,5,7,-5}; {-1,-1,-1,5,- 1,-3};{-5,5,7,7,7,1};{-7,-5,-3,-7,5,-7};{1,7,7,1,5,3};{5,-7,-7,-7,-7,1};{-1,-1,-7,-1,-1,-3};{7,7,1,1,1,7};{5,5,-5,-7,-3,-7};{7,1,7,7,-3,5};{1,-7, -7,-7,-1,-3};{-3,-3,-1,3,-1,5};{-7,3,3,3,3,-7};{-7,-1,-7,5,5,5};{3,-3,5,7,-1,-1};{-7,3,-3,3,-7,-1};{5,7,5,-3,1,-3};{5,-5,-1,-7,-7,5};{-1,-1,-7,-1 ,5,-7};{1,-3,5,-7,-7,1};{7,7,1,5,-5,-3};{5,1,5,-7,-1,-1};{-7,5,7,5,-3,-7};{5,-7,-1,5,-1,-1};{5,5,-7,-1,-1,1};{-1,-7,5,5,-1,-3};{-1,5,-5,-5,-5,1}.

[0214] The first sequence set includes 32 groups of first sequences. These 32 groups of first sequences partially meet the conditions in the above-mentioned property 2, and the mutual correlation of these 32 groups of first sequences is not significantly different from the mutual correlation of the CGS sequence. There is no restriction on the correspondence between these 32 groups of first sequences and group number u. For example, the correspondence between these 32 groups of first sequences and group number u is shown in Table 5:

[0215] Table 5

[0216] Through the above design, the autocorrelation of the generated CPM sequence satisfies the above characteristic 1, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.5.

[0217] In one possible implementation, when the modulation index The impulse length L = 4, the modulation dimension M = 8, and the phase response function q(t) are:

[0218] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0219] The first sequence {β i} belongs to the first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-7, 3, 1, -5, 5, 3}; {-3, -7, -3, -7, 1, -5}; {1, 7, 1, 7, -3, 5}; {1, -7, -1, -3, -1, -1}; {3, -5, 5, 3, -1, 1}; {-3, -3, -3, -7, 5, -7}; {1,1,5,3,-3,5};{1,-1,-5,1,5,-7};{7,1,-7,3,7,1};{-3,-5,-5,-5,-1,1};{5,-1,5,-3,3,3};{-7,-1,-3,-7,7,-1};{-5,-3,3,-3,1,1};{3,1,5,-1,-5,3};{1 ,3,-3,5,-3,-3};{-3,1,-7,-1,3,-5};{5,3,1,-3,3,3};{-5,-3,-3,7,-3,-5};{1,7,-3,-5,1,-7};{-1,-3,5,-1,1,5};{-1,-7,3,3,5,3};{7,-3,-7,1,5,-3};{ -7,3,-1,1,-5,-3};{3,3,-7,3,-5,3};{7,-7,-3,-3,5,-5};{5,-1,-5,-5,5,1};{5,-1,-5,-5,5,1};{5,3,-7,7,-5,-3};{-7,-3,3,-7,7,1};{7,-7,3,-3,-7,1}.

[0220] The first sequence set includes 30 groups of first sequences. These 30 groups of first sequences partially meet the conditions in Property 2 above, and the cross-correlations of these 30 groups of first sequences are not significantly different from the cross-correlations of CGS sequences. There are no restrictions on the correspondence between these 30 groups of first sequences and group number u. For example, the correspondence between these 30 groups of sequences and group number u is shown in Table 6.

[0221] Table 6

[0222] Through the above design, the autocorrelation of the generated CPM sequence satisfies the above characteristic 1, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.6.

[0223] In one possible implementation, when the modulation index The impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) are:

[0224] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0225] The first sequence {β i} belongs to the first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-7,7,-7,-1,-7,7}; {5,-1,5,5,5,-3}; {-5,-5,-1,-1,-7,-5}; {-7,7,-3,-7,-7,-7}; {1,5,1,-3,-3,7}; {5,5,-7,3,5,5}; {-7,3,-5,-7,-1,1}; {1,-7,5,-1,1 ,1};{1,7,-1,-1,7,3};{-3,7,-5,-5,-3,-7};{-7,-1,-5,-3,3,-1};{-3,7,-3,7,-1,-7};{-1,-1,-1,7,-7,1};{-1,-5,-7,-7,-5,-1};{1,-1,5,5,-5,1};{3,5,3,-7,3,-7};{7,-5,-5,-7,7,3};{- 7,-5,1,-1,1,-5};{5,1,1,5,-1,-3};{5,-1,-7,1,-7,1};{3,-7,-1,1,-3,-3};{-7,-5,-7,-3,5,1};{7,-3,-3,-3,7,3};{-7,7,-3,7,-7,-5};{-1,-3,-1,-5,7,-5};{-5,5,-7,5,5,5};{-7,-5,-7, 3,5,3};{7,-7,1,-5,7,-3};{-3,-5,5,3,5,-5};{7,-5,-7,5,-5,-3};{3,-5,-7,-1,7,-5};{5,-7,-5,7,-3,-5};{3,-5,7,-1,-7,-5};{-1,-7,5,-3,-1,7};{-5,7,-7,-3,7,1};{3,7,-3,3,-3,-7}.

[0226] The first sequence set includes 36 groups of first sequences. The 36 groups of first sequences meet the conditions in Feature 2 above, and the mutual correlations of the 36 groups of first sequences are not significantly different from the mutual correlations of the CGS sequences. The correspondence between the 36 groups of first sequences and the group number u is not limited. For example, the correspondence between the 36 groups of first sequences and the group number u is shown in Table 7:

[0227] Table 7

[0228] Through the above design, the autocorrelation of the generated CPM sequence satisfies the above characteristic 1, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.5.

[0229] In one possible implementation, when the modulation index The impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) are:

[0230] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0231] The first sequence {β i} belongs to the first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {3,3,-1,-7,-1,-7}; {-3,5,5,5,-5,1}; {-5,-7,-5,-7,-1,5}; {1,-5,-7,-5,3,-5}; {5,7,-1,5,-3,5}; {1,5,-5,1,-3,-1}; {-7 ,-7,-7,-3,-5,1};{7,-1,7,5,1,-1};{-7,3,-3,1,-1,-1};{-3,-5,3,-7,-1,-7};{3,3,3,-7,7,1};{-3,-7,-7,-5,-1,-7};{-5,5,-1,-1,7,5};{5,5,3,5,-1,-7};{1 ,-7,-7,-7,3,-1};{-7,1,5,-1,5,-3};{3,-3,3,-7,5,-1};{-7,-1,-5,-3,3,-5};{3,-7,-7,-7,3,5};{-1,7,-3,3,-3,7};{-7,1,-7,5,5,3};{-1,3,-3,-7,-5,3};{ -1,-5,-1,5,-7,-1};{-3,5,5,5,-5,-7};{-1,-7,-3,-7,-3,1};{-5,1,-5,3,3,3};{-1,-7,3,3,-3,5};{-7,-5,3,-1,-5,5};{-5,-5,-5,5,5,-5};{-1,3,5,5,-7,5}.

[0232] The first sequence set includes 30 groups of first sequences. These 30 groups of first sequences partially meet the conditions in Feature 2 above, and the mutual correlations of these 30 groups of first sequences are not significantly different from the mutual correlations of CGS sequences. The correspondence between these 30 groups of first sequences and group number u is not limited. For example, the correspondence between these 30 groups of first sequences and group number u is shown in Table 8:

[0233] Table 8

[0234] Through the above design, the autocorrelation of the generated CPM sequence satisfies the above characteristic 1, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.5.

[0235] In one possible implementation, when the modulation index The impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) are:

[0236] When bandwidth B = 0.3, sampling rate N = 2, and number of sampling blocks J = 6:

[0237] The first sequence {β i} belongs to the first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-1,-5,3,-3,3,-5}; {7,-1,7,-1,7,5}; {-5,3,-7,-5,-3,-7}; {-1,5,-5,5,-1,5}; {-5,-1,-7,1,-7,3}; {5,5,-1,3,-1,5}; {1,-3,-1,1,5,5}; {-3,-3,-5,-7,-5, -1};{1,-3,5,-1,1,-3};{-3,3,-3,-7,1,-7};{3,-5,3,5,5,5};{3,3,-7,-5,-3,-7};{-3,5,5,1,5,3};{1,-5,1,-5,5,-5};{-3,-5,-3,7,-3,7};{1,-1,-5,-7,-5,1};{1,-1,3,-3,5,3};{3,-7,1,-1,- 7,-5};{-5,-5,5,5,5,3};{-7,5,-7,3,3,3};{-3,-3,-5,3,5,-5};{5,5,5,-7,7,-7};{3,-7,-1,-7,-3,-3};{1,5,-1,-1,-1,5};{-5,-1,3,-1,1,3};{-7,1,-5,-5,-5,5};{-1,-5,3,5,3,-5};{-3,5,- 5,-5,-5,5};{-5,-5,-1,5,3,-5};{1,-7,3,3,-7,-1};{-1,-3,3,1,5,-5};{-5,-1,5,-7,5,-5};{3,3,-3,-7,-3,-3};{5,-7,5,-1,-5,-5};{5,-5,3,-1,-5,3};{-5,3,5,-1,1,-3};{3,-5,5,3,-5,-1}.

[0238] The first sequence set includes 37 groups of first sequences. These 37 groups of first sequences meet the conditions in Feature 2 above, and the mutual correlations of these 37 groups of first sequences are not significantly different from the mutual correlations of CGS sequences. The correspondence between these 37 groups of first sequences and group number u is not limited. For example, the correspondence between these 37 groups of first sequences and group number u is shown in Table 9:

[0239] Table 9

[0240] Through the above design, the autocorrelation of the generated CPM sequence satisfies the above characteristic 1, the PAPR value of the first signal is less than 0.5, and the frequency domain flatness is less than 0.5.

[0241] It is understood that in the embodiments of the present application:

[0242] 1. The process in FIG2 may include fewer steps or more steps than those in the flowchart or text description.

[0243] 2. In the embodiments of the present application, "(such as the second communication device) receives a signal from (such as the first communication device)" can be understood as the source of the signal being the first communication device and the destination being the second communication device, which may include the second communication device directly or indirectly receiving the signal from the first communication device. The signal may undergo necessary processing between the source and destination of the information transmission, such as format changes, but the destination can understand the valid information from the source. Similar expressions in this application can be understood similarly and will not be repeated here.

[0244] In the embodiments provided in the present application, the methods provided in the embodiments of the present application are introduced from the perspective of the interaction between the first communication device and the second communication device. In order to implement the various functions in the methods provided in the embodiments of the present application, the first communication device or the second communication device, etc., may include a hardware structure and / or a software module, and implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module. Whether a certain function of the above functions is executed in the form of a hardware structure, a software module, or a hardware structure plus a software module depends on the design constraints of the specific application of the technical solution.

[0245] Figures 3 and 4 are schematic diagrams of the structures of possible communication devices provided in embodiments of the present application. These communication devices can implement one or more corresponding functions in the above-mentioned method embodiments. For example, the functions implemented by the first communication device or the second communication device may thereby achieve the beneficial effects of the above-mentioned method embodiments.

[0246] As shown in Figure 3, the communication device 30 includes a processing unit 310 and a transceiver unit 320. The communication device 30 is used to implement the functions of the first communication device or the second communication device in the method embodiment shown in Figure 2 above.

[0247] Alternatively, the transceiver unit 320 may also be referred to as an output unit, an interface unit, or a communication unit. In one possible implementation, the transceiver unit 320 includes at least one of a transmitting unit and a receiving unit. The transmitting unit and the receiving unit may be integrated together or may be two independent units.

[0248] When the communication device 30 is used to implement the functions of the first communication device in FIG. 2 , specifically:

[0249] The processing unit 310 is used to determine a fourth sequence based on the third sequence, where the third sequence is a sequence after discrete Fourier transform (DFT) of the second sequence, and the second sequence is a discrete sequence obtained by sampling the first sequence through continuous phase modulation (CPM) modulation; the processing unit 310 is also used to map the fourth sequence to X subcarriers to generate a first signal, where X is an integer greater than zero; the transceiver unit 320 is used to send the first signal, where the first signal is a signal carrying hybrid automatic repeat request (HARQ) information, or the first signal is a signal carrying scheduling request (SR) information, or the first signal is a demodulation reference signal, or the first signal is a phase tracking reference signal.

[0250] In a possible implementation, the second sequence {s n} includes X elements, s n satisfy:

[0251] Where n is an integer between 0 and X-1, exp represents an exponential function with e as the base, represents the phase of the second sequence, satisfy: or,

[0252] in, modulo 2*π, or, Instead of taking the modulus of 2*π, h represents the modulation index, L represents the impulse length, N represents the sampling rate, J represents the number of sampling blocks, h, L, N and J are all real numbers, T represents the symbol period, q(t) represents the phase response function, β i Denotes the first sequence {β i}, i is an integer between 0 and J-1.

[0253] In one possible implementation, during the CPM modulation sampling process, the modulation index h takes a real number in the range of 11 / 64 to 11 / 32, the impulse length L takes a value in the range of L>1, the phase response function q(t) takes a value of 0 in the range of t<0 and a fixed value in the range of t≥LT, and the sampling rate N and the number of sampling blocks J satisfy: NJ=X.

[0254] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0255] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0256] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, 1, 5, 3, -1, -7}; {-3, -1, 1, 5, -5, 1}; {-7, -5, -1, -3, -3, -5}; {3, -1, 3, 5, 5, 1}; {-7, -7, -7, -5, 5, -3}; {-1, -1, -1, -7, -3, -3}; {5, 5, 3, -5, 3} ,5};{-7,7,-3,7,-3,7};{-5,-5,-3,-7,-3,7};{-5,3,-7,1,-5,5};{-5,-7,-3,-5,-7,3};{5,3,3,3,-7,1};{-1,1,5,3,-3,3};{-3,-3,-7,5,-5,-3};{3,5,5,5,-5,-5};{-1,3,-3,-7 ,-3,3};{7,-1,-1,-1,7,-3};{5,-7,7,-7,5,5};{-7,-5,5,-7,3,-5};{-5,1,-3,-5,7,-3};{7,-3,7,-3,-7,-1};{-5,3,-1,-5,7,1};{-7,-5,-7,1,-1,3};{3,-7,3,5,3,-7};{5,-3, -5,-1,-7,3};{-1,1,1,3,-7,3};{-3,-7,3,-1,-3,3};{5,-3,7,-3,-3,-3};{3,-5,-5,-5,-1,5};{-7,-1,-5,1,-1,5};{7,-1,-3,7,-5,-5};{-5,-1,1,-7,-3,7};{-5,-3,7,1,-1,1}.

[0257] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0258] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0259] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, -3, 5, -1, 7, -7}; {7, 3, 5, 7, -5, 5}; {-3, -5, -5, -7, 5, -7}; {-7, -7, -7, 3, 3, -7}; {7, 7, 7, -1, -5, 7}; {-7, -3, -1, -7, 3, -7} ;{-1,7,-1,3,-3,7};{3,-5,-7,3,-3,-3};{7,5,-3,7,1,5};{7,7,5,-7,-7,7};{-3,-1,3,3,-5,1};{-7,5,5,3,7,-3};{3,-7,-7,-7,1,-5};{-3,-7,1,7,-3,-5};{ 5,7,1,-3,7,-5};{-1,-5,7,-7,-1,-5};{-7,-7,-7,7,-3,7};{7,1,-7,-7,-7,3};{-1,-3,3,7,7,-3};{7,5,-7,-3,-7,5};{7,-5,-7,-1,7,-1};{-1,-7,5,-1,-1,5};{-5,1,-7,3,7,1};{-3,-7,5,-3,5,-7};{3,5,-3,7,5,-7};{-3,-5,5,-7,3,7};{-7,1,5,-5,-7,3};{3,-5,7,-5,-7,7};{-7,7,-1,-5,1,-7};{7,-7,-5,1,1,5}.

[0260] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0261] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0262] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-5, 1, 3, 3, 3, 1}; {-3, -5, -5, -5, -3, -3}; {-1, 3, -3, 1, -3, 3}; {-3, -1, -1, -3, 1, -5}; {3, 5, -1, 1, -1, 5}; {3, -1, -1, 1, 3, 1}; {-1, -5, -3, -5, -1, -3}; {-3,-5,-5,-5,-3,3}; {3,1,5,-3,3,3}; {-3,-5,-1,-5,-3,5}; {1,-5,1,-3,3,-3}; {5,-1,-5,-1,5,3}; {-1,3,1,3,-1,-5}; {-1,-3,-3,-1,1,-5}; {3,-3,3,-1,1,3}; {-5,-3,-1,1,-1,-3};{5,-7,3,-7,5,-5};{-1,-3,-3,1,5,-5};{1,-5,3,-5,3,3};{-5,5,-3,5,-5,-3};{1,-1,5,-5,3,3};{3,3,3,-1,-5,-3};{-1,-5,3,-5,-1,3};{1,-5,1,3,-3,3};{-1,-5,-1,3,-5,3}; {-3,-5,-3,5,-7,1}; {-1,5,-3,-1,-3,3}; {-3,5,1,-1,-5,-3}; {-1,-5,-3,5,-3,1}; {-3,5,-1,-5,-3,1}; {1,1,-5,1,5,-3}; {5,1,-5,1,1,-3}; {5,-1,-5,-1,1,-5}; {-5,3,-1,3,-7,1}.

[0263] In one possible implementation, when the modulation index The impulse length L=2, the modulation dimension M=8, and the phase response function q(t) are:

[0264] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0265] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {1,5,5,-5,-1,-5}; {3,-7,-7,-1,3,-1}; {7,7,5,-3,5,1}; {-7,-7,-1,-3,-7,-7}; {7,7,1,7,1,-5}; {-7,-3,-5,1,-5,-3}; { 1,3,-1,-3,1,1};{7,7,5,3,-5,5};{-1,-7,1,-1,1,-5};{3,-7,-7,-5,-7,3};{-3,3,1,5,1,3};{-3,-7,-7,1,-5,-1};{7,7,5,-5,-7,5};{5,5,-5,-3,5,3};{-3,1,- 3,5,7,3};{-7,-1,-7,-1,5,-1};{3,-3,5,5,1,-1};{-3,-3,-3,-1,-5,5};{-7,-7,-5,1,-1,-3};{5,-5,-7,-7,3,1};{-5,-1,-7,-7,3,-5};{5,3,5,-1,-1,1};{-7, -7,1,5,7,-1};{5,-5,-3,-1,5,-1};{3,-3,-1,3,-7,-5};{-7,-3,-5,-3,3,-7};{3,-5,-1,3,1,-1};{-7,-5,-5,5,5,-5};{5,-5,-1,-7,-7,5};{-3,-1,1,3,-7,-3}.

[0266] In one possible implementation, when the modulation index The impulse length L=2, the modulation dimension M=8, and the phase response function q(t) are:

[0267] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0268] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {3,-1,-7,-1,-3,-1}; {7,7,7,7,7,1}; {-7,-7,-5,5,-1,3}; {3,3,-3,1,3,5}; {-5,-3,-7,-7,1,-1}; {-7,5,5,5,7,-5}; {-1,-1,-1,5 ,-1,-3};{-5,5,7,7,7,1};{-7,-5,-3,-7,5,-7};{1,7,7,1,5,3};{5,-7,-7,-7,-7,1};{-1,-1,-7,-1,-1,-3};{7,7,1,1,1,7};{5,5,-5,-7,-3,-7};{7,1,7,7,-3,5};{1,-7 ,-7,-7,-1,-3};{-3,-3,-1,3,-1,5};{-7,3,3,3,3,-7};{-7,-1,-7,5,5,5};{3,-3,5,7,-1,-1};{-7,3,-3,3,-7,-1};{5,7,5,-3,1,-3};{5,-5,-1,-7,-7,5};{-1,-1,-7,- 1,5,-7};{1,-3,5,-7,-7,1};{7,7,1,5,-5,-3};{5,1,5,-7,-1,-1};{-7,5,7,5,-3,-7};{5,-7,-1,5,-1,-1};{5,5,-7,-1,-1,1};{-1,-7,5,5,-1,-3};{-1,5,-5,-5,-5,1}.

[0269] In one possible implementation, when the modulation index The impulse length L=4, the modulation dimension M=8, and the phase response function q(t) are:

[0270] When sampling rate N = 2 and number of sampling blocks J = 6

[0271] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-7, 3, 1, -5, 5, 3}; {-3, -7, -3, -7, 1, -5}; {1, 7, 1, 7, -3, 5}; {1, -7, -1, -3, -1, -1}; {3, -5, 5, 3, -1, 1}; {-3, -3, -3, -7, 5, -7} ;{1,1,5,3,-3,5};{1,-1,-5,1,5,-7};{7,1,-7,3,7,1};{-3,-5,-5,-5,-1,1};{5,-1,5,-3,3,3};{-7,-1,-3,-7,7,-1};{-5,-3,3,-3,1,1};{3,1,5,-1,-5,3};{ 1,3,-3,5,-3,-3};{-3,1,-7,-1,3,-5};{5,3,1,-3,3,3};{-5,-3,-3,7,-3,-5};{1,7,-3,-5,1,-7};{-1,-3,5,-1,1,5};{-1,-7,3,3,5,3};{7,-3,-7,1,5,-3};{ -7,3,-1,1,-5,-3};{3,3,-7,3,-5,3};{7,-7,-3,-3,5,-5};{5,-1,-5,-5,5,1};{-5,-3,1,7,-3,-3};{5,3,-7,7,-5,-3};{-7,-3,3,-7,7,1};{7,-7,3,-3,-7,1}.

[0272] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0273] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0274] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-7, 7, -7, -1, -7, 7}; {5, -1, 5, 5, 5, -3}; {-5, -5, -1, -1, -7, -5}; {-7, 7, -3, -7, -7, -7}; {1, 5, 1, -3, -3, 7}; {5, 5, -7, 3, 5, 5}; {-7, 3, -5, -7, -1, 1}; {1, -7, 5, -1 ,1,1};{1,7,-1,-1,7,3};{-3,7,-5,-5,-3,-7};{-7,-1,-5,-3,3,-1};{-3,7,-3,7,-1,-7};{-1,-1,-1,7,-7,1};{-1,-5,-7,-7,-5,-1};{1,-1,5,5,-5,1};{3,5,3,-7,3,-7};{7,-5,-5,-7,7,3};{ -7,-5,1,-1,1,-5};{5,1,1,5,-1,-3};{5,-1,-7,1,-7,1};{3,-7,-1,1,-3,-3};{-7,-5,-7,-3,5,1};{7,-3,-3,-3,7,3};{-7,7,-3,7,-7,-5};{-1,-3,-1,-5,7,-5};{-5,5,-7,5,5,5};{-7,-5,-7 ,3,5,3};{7,-7,1,-5,7,-3};{-3,-5,5,3,5,-5};{7,-5,-7,5,-5,-3};{3,-5,-7,-1,7,-5};{5,-7,-5,7,-3,-5};{3,-5,7,-1,-7,-5};{-1,-7,5,-3,-1,7};{-5,7,-7,-3,7,1};{3,7,-3,3,-3,-7}.

[0275] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0276] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0277] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {3,3,-1,-7,-1,-7}; {-3,5,5,5,-5,1}; {-5,-7,-5,-7,-1,5}; {1,-5,-7,-5,3,-5}; {5,7,-1,5,-3,5}; {1,5,-5,1,-3,-1}; {- 7,-7,-7,-3,-5,1};{7,-1,7,5,1,-1};{-7,3,-3,1,-1,-1};{-3,-5,3,-7,-1,-7};{3,3,3,-7,7,1};{-3,-7,-7,-5,-1,-7};{-5,5,-1,-1,7,5};{5,5,3,5,-1,-7};{ 1,-7,-7,-7,3,-1};{-7,1,5,-1,5,-3};{3,-3,3,-7,5,-1};{-7,-1,-5,-3,3,-5};{3,-7,-7,-7,3,5};{-1,7,-3,3,-3,7};{-7,1,-7,5,5,3};{-1,3,-3,-7,-5,3};{ -1,-5,-1,5,-7,-1};{-3,5,5,5,-5,-7};{-1,-7,-3,-7,-3,1};{-5,1,-5,3,3,3};{-1,-7,3,3,-3,5};{-7,-5,3,-1,-5,5};{-5,-5,-5,5,5,-5};{-1,3,5,5,-7,5}.

[0278] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0279] When bandwidth B = 0.3, sampling rate N = 2, and number of sampling blocks J = 6:

[0280] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, -5, 3, -3, 3, -5}; {7, -1, 7, -1, 7, 5}; {-5, 3, -7, -5, -3, -7}; {-1, 5, -5, 5, -1, 5}; {-5, -1, -7, 1, -7, 3}; {5, 5, -1, 3, -1, 5}; {1, -3, -1, 1, 5, 5}; {-3, -3, -5, -7, -5 ,-1};{1,-3,5,-1,1,-3};{-3,3,-3,-7,1,-7};{3,-5,3,5,5,5};{3,3,-7,-5,-3,-7};{-3,5,5,1,5,3};{1,-5,1,-5,5,-5};{-3,-5,-3,7,-3,7};{1,-1,-5,-7,-5,1};{1,-1,3,-3,5,3};{3,-7,1,-1, -7,-5};{-5,-5,5,5,5,3};{-7,5,-7,3,3,3};{-3,-3,-5,3,5,-5};{5,5,5,-7,7,-7};{3,-7,-1,-7,-3,-3};{1,5,-1,-1,-1,5};{-5,-1,3,-1,1,3};{-7,1,-5,-5,-5,5};{-1,-5,3,5,3,-5};{-3,5,- 5,-5,-5,5};{-5,-5,-1,5,3,-5};{1,-7,3,3,-7,-1};{-1,-3,3,1,5,-5};{-5,-1,5,-7,5,-5};{3,3,-3,-7,-3,-3};{5,-7,5,-1,-5,-5};{5,-5,3,-1,-5,3};{-5,3,5,-1,1,-3};{3,-5,5,3,-5,-1}.

[0281] In a possible implementation, the fourth sequence includes X elements. When mapping the fourth sequence to the X subcarriers, the processing unit 310 is specifically configured to: map the X elements to X consecutive subcarriers; or map the X elements to X non-consecutive and equally spaced subcarriers.

[0282] When the communication device 30 is used to implement the function of the second communication device in the process of FIG. 2 , specifically:

[0283] The transceiver unit 320 is used to receive a first signal, where the first signal is a signal carrying hybrid automatic repeat request HARQ information, or the first signal is a signal carrying scheduling request SR information, or the first signal is a demodulation reference signal, or the first signal is a phase tracking reference signal; the processing unit 310 is used to perform orthogonal frequency division multiplexing (OFDM) demodulation on the first signal to determine a fourth sequence; the processing unit 310 is also used to determine a first result based on the fourth sequence and the third sequence, where the first result is a decoding result, or the first result is a channel estimation result, the third sequence is a sequence after discrete Fourier transform (DFT) of the second sequence, and the second sequence is a discrete sequence obtained by sampling the first sequence by continuous phase modulation (CPM) modulation.

[0284] In a possible implementation, the second sequence {s n} includes X elements, s n satisfy:

[0285] Where n is an integer between 0 and X-1, X is an integer greater than zero, and exp represents an exponential function with e as the base. represents the phase of the second sequence, satisfy: or,

[0286] in, Modulo 2*π, or not modulo 2*π, h represents the modulation index, L represents the impulse length, N represents the sampling rate, J represents the number of sampling blocks, h, L, N and J are all real numbers, T represents the symbol period, q(t) represents the phase response function, β i Denotes the first sequence {β i}, i is an integer between 0 and J-1.

[0287] In one possible implementation, during the CPM modulation sampling process: the modulation index h takes a real number in the range of 11 / 64 to 11 / 32, the impulse length L takes a value in the range of L>1, the phase response function q(t) takes a value of 0 in the range of t<0, and takes a fixed value in the range of t≥LT, and the sampling rate N and the number of sampling blocks J both satisfy: NJ=X.

[0288] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0289] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0290] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, 1, 5, 3, -1, -7}; {-3, -1, 1, 5, -5, 1}; {-7, -5, -1, -3, -3, -5}; {3, -1, 3, 5, 5, 1}; {-7, -7, -7, -5, 5, -3}; {-1, -1, -1, -7, -3, -3}; {5, 5, 3, -5, 3} ,5};{-7,7,-3,7,-3,7};{-5,-5,-3,-7,-3,7};{-5,3,-7,1,-5,5};{-5,-7,-3,-5,-7,3};{5,3,3,3,-7,1};{-1,1,5,3,-3,3};{-3,-3,-7,5,-5,-3};{3,5,5,5,-5,-5};{-1,3,-3,-7 ,-3,3};{7,-1,-1,-1,7,-3};{5,-7,7,-7,5,5};{-7,-5,5,-7,3,-5};{-5,1,-3,-5,7,-3};{7,-3,7,-3,-7,-1};{-5,3,-1,-5,7,1};{-7,-5,-7,1,-1,3};{3,-7,3,5,3,-7};{5,-3, -5,-1,-7,3};{-1,1,1,3,-7,3};{-3,-7,3,-1,-3,3};{5,-3,7,-3,-3,-3};{3,-5,-5,-5,-1,5};{-7,-1,-5,1,-1,5};{7,-1,-3,7,-5,-5};{-5,-1,1,-7,-3,7};{-5,-3,7,1,-1,1}.

[0291] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0292] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0293] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, -3, 5, -1, 7, -7}; {7, 3, 5, 7, -5, 5}; {-3, -5, -5, -7, 5, -7}; {-7, -7, -7, 3, 3, -7}; {7, 7, 7, -1, -5, 7}; {-7, -3, -1, -7, 3, -7} ;{-1,7,-1,3,-3,7};{3,-5,-7,3,-3,-3};{7,5,-3,7,1,5};{7,7,5,-7,-7,7};{-3,-1,3,3,-5,1};{-7,5,5,3,7,-3};{3,-7,-7,-7,1,-5};{-3,-7,1,7,-3,-5};{ 5,7,1,-3,7,-5};{-1,-5,7,-7,-1,-5};{-7,-7,-7,7,-3,7};{7,1,-7,-7,-7,3};{-1,-3,3,7,7,-3};{7,5,-7,-3,-7,5};{7,-5,-7,-1,7,-1};{-1,-7,5,-1,-1,5};{-5,1,-7,3,7,1};{-3,-7,5,-3,5,-7};{3,5,-3,7,5,-7};{-3,-5,5,-7,3,7};{-7,1,5,-5,-7,3};{3,-5,7,-5,-7,7};{-7,7,-1,-5,1,-7};{7,-7,-5,1,1,5}.

[0294] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0295] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0296] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-5, 1, 3, 3, 3, 1}; {-3, -5, -5, -5, -3, -3}; {-1, 3, -3, 1, -3, 3}; {-3, -1, -1, -3, 1, -5}; {3, 5, -1, 1, -1, 5}; {3, -1, -1, 1, 3, 1}; {-1, -5, -3, -5, -1, -3}; {-3,-5,-5,-5,-3,3}; {3,1,5,-3,3,3}; {-3,-5,-1,-5,-3,5}; {1,-5,1,-3,3,-3}; {5,-1,-5,-1,5,3}; {-1,3,1,3,-1,-5}; {-1,-3,-3,-1,1,-5}; {3,-3,3,-1,1,3}; {-5,-3,-1,1,-1,-3};{5,-7,3,-7,5,-5};{-1,-3,-3,1,5,-5};{1,-5,3,-5,3,3};{-5,5,-3,5,-5,-3};{1,-1,5,-5,3,3};{3,3,3,-1,-5,-3};{-1,-5,3,-5,-1,3};{1,-5,1,3,-3,3};{-1,-5,-1,3,-5,3}; {-3,-5,-3,5,-7,1}; {-1,5,-3,-1,-3,3}; {-3,5,1,-1,-5,-3}; {-1,-5,-3,5,-3,1}; {-3,5,-1,-5,-3,1}; {1,1,-5,1,5,-3}; {5,1,-5,1,1,-3}; {5,-1,-5,-1,1,-5}; {-5,3,-1,3,-7,1}.

[0297] In one possible implementation, when the modulation index The impulse length L=2, the modulation dimension M=8, and the phase response function q(t) are:

[0298] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0299] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {1,5,5,-5,-1,-5}; {3,-7,-7,-1,3,-1}; {7,7,5,-3,5,1}; {-7,-7,-1,-3,-7,-7}; {7,7,1,7,1,-5}; {-7,-3,-5,1,-5,-3}; { 1,3,-1,-3,1,1};{7,7,5,3,-5,5};{-1,-7,1,-1,1,-5};{3,-7,-7,-5,-7,3};{-3,3,1,5,1,3};{-3,-7,-7,1,-5,-1};{7,7,5,-5,-7,5};{5,5,-5,-3,5,3};{-3,1,- 3,5,7,3};{-7,-1,-7,-1,5,-1};{3,-3,5,5,1,-1};{-3,-3,-3,-1,-5,5};{-7,-7,-5,1,-1,-3};{5,-5,-7,-7,3,1};{-5,-1,-7,-7,3,-5};{5,3,5,-1,-1,1};{-7, -7,1,5,7,-1};{5,-5,-3,-1,5,-1};{3,-3,-1,3,-7,-5};{-7,-3,-5,-3,3,-7};{3,-5,-1,3,1,-1};{-7,-5,-5,5,5,-5};{5,-5,-1,-7,-7,5};{-3,-1,1,3,-7,-3}.

[0300] In one possible implementation, when the modulation index The impulse length L=2, the modulation dimension M=8, and the phase response function q(t) are:

[0301] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0302] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {3,-1,-7,-1,-3,-1}; {7,7,7,7,7,1}; {-7,-7,-5,5,-1,3}; {3,3,-3,1,3,5}; {-5,-3,-7,-7,1,-1}; {-7,5,5,5,7,-5}; {-1,-1,-1,5 ,-1,-3};{-5,5,7,7,7,1};{-7,-5,-3,-7,5,-7};{1,7,7,1,5,3};{5,-7,-7,-7,-7,1};{-1,-1,-7,-1,-1,-3};{7,7,1,1,1,7};{5,5,-5,-7,-3,-7};{7,1,7,7,-3,5};{1,-7 ,-7,-7,-1,-3};{-3,-3,-1,3,-1,5};{-7,3,3,3,3,-7};{-7,-1,-7,5,5,5};{3,-3,5,7,-1,-1};{-7,3,-3,3,-7,-1};{5,7,5,-3,1,-3};{5,-5,-1,-7,-7,5};{-1,-1,-7,- 1,5,-7};{1,-3,5,-7,-7,1};{7,7,1,5,-5,-3};{5,1,5,-7,-1,-1};{-7,5,7,5,-3,-7};{5,-7,-1,5,-1,-1};{5,5,-7,-1,-1,1};{-1,-7,5,5,-1,-3};{-1,5,-5,-5,-5,1}.

[0303] In one possible implementation, when the modulation index The impulse length L=4, the modulation dimension M=8, and the phase response function q(t) are:

[0304] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0305] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-7, 3, 1, -5, 5, 3}; {-3, -7, -3, -7, 1, -5}; {1, 7, 1, 7, -3, 5}; {1, -7, -1, -3, -1, -1}; {3, -5, 5, 3, -1, 1}; {-3, -3, -3, -7, 5, -7} ;{1,1,5,3,-3,5};{1,-1,-5,1,5,-7};{7,1,-7,3,7,1};{-3,-5,-5,-5,-1,1};{5,-1,5,-3,3,3};{-7,-1,-3,-7,7,-1};{-5,-3,3,-3,1,1};{3,1,5,-1,-5,3};{ 1,3,-3,5,-3,-3};{-3,1,-7,-1,3,-5};{5,3,1,-3,3,3};{-5,-3,-3,7,-3,-5};{1,7,-3,-5,1,-7};{-1,-3,5,-1,1,5};{-1,-7,3,3,5,3};{7,-3,-7,1,5,-3};{ -7,3,-1,1,-5,-3};{3,3,-7,3,-5,3};{7,-7,-3,-3,5,-5};{5,-1,-5,-5,5,1};{-5,-3,1,7,-3,-3};{5,3,-7,7,-5,-3};{-7,-3,3,-7,7,1};{7,-7,3,-3,-7,1}.

[0306] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0307] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0308] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-7, 7, -7, -1, -7, 7}; {5, -1, 5, 5, 5, -3}; {-5, -5, -1, -1, -7, -5}; {-7, 7, -3, -7, -7, -7}; {1, 5, 1, -3, -3, 7}; {5, 5, -7, 3, 5, 5}; {-7, 3, -5, -7, -1, 1}; {1, -7, 5, -1 ,1,1};{1,7,-1,-1,7,3};{-3,7,-5,-5,-3,-7};{-7,-1,-5,-3,3,-1};{-3,7,-3,7,-1,-7};{-1,-1,-1,7,-7,1};{-1,-5,-7,-7,-5,-1};{1,-1,5,5,-5,1};{3,5,3,-7,3,-7};{7,-5,-5,-7,7,3};{ -7,-5,1,-1,1,-5};{5,1,1,5,-1,-3};{5,-1,-7,1,-7,1};{3,-7,-1,1,-3,-3};{-7,-5,-7,-3,5,1};{7,-3,-3,-3,7,3};{-7,7,-3,7,-7,-5};{-1,-3,-1,-5,7,-5};{-5,5,-7,5,5,5};{-7,-5,-7 ,3,5,3};{7,-7,1,-5,7,-3};{-3,-5,5,3,5,-5};{7,-5,-7,5,-5,-3};{3,-5,-7,-1,7,-5};{5,-7,-5,7,-3,-5};{3,-5,7,-1,-7,-5};{-1,-7,5,-3,-1,7};{-5,7,-7,-3,7,1};{3,7,-3,3,-3,-7}.

[0309] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0310] When the sampling rate N = 2 and the number of sampling blocks J = 6:

[0311] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {3,3,-1,-7,-1,-7}; {-3,5,5,5,-5,1}; {-5,-7,-5,-7,-1,5}; {1,-5,-7,-5,3,-5}; {5,7,-1,5,-3,5}; {1,5,-5,1,-3,-1}; {- 7,-7,-7,-3,-5,1};{7,-1,7,5,1,-1};{-7,3,-3,1,-1,-1};{-3,-5,3,-7,-1,-7};{3,3,3,-7,7,1};{-3,-7,-7,-5,-1,-7};{-5,5,-1,-1,7,5};{5,5,3,5,-1,-7};{ 1,-7,-7,-7,3,-1};{-7,1,5,-1,5,-3};{3,-3,3,-7,5,-1};{-7,-1,-5,-3,3,-5};{3,-7,-7,-7,3,5};{-1,7,-3,3,-3,7};{-7,1,-7,5,5,3};{-1,3,-3,-7,-5,3};{ -1,-5,-1,5,-7,-1};{-3,5,5,5,-5,-7};{-1,-7,-3,-7,-3,1};{-5,1,-5,3,3,3};{-1,-7,3,3,-3,5};{-7,-5,3,-1,-5,5};{-5,-5,-5,5,5,-5};{-1,3,5,5,-7,5}.

[0312] In one possible implementation, when the modulation index The impulse length L=3, the modulation dimension M=8, and the phase response function q(t) are:

[0313] When bandwidth B = 0.3, sampling rate N = 2, and number of sampling blocks J = 6:

[0314] The first sequence {β i} belongs to a first sequence set, wherein the sequences in the first sequence set include at least one of the following sequences: {-1, -5, 3, -3, 3, -5}; {7, -1, 7, -1, 7, 5}; {-5, 3, -7, -5, -3, -7}; {-1, 5, -5, 5, -1, 5}; {-5, -1, -7, 1, -7, 3}; {5, 5, -1, 3, -1, 5}; {1, -3, -1, 1, 5, 5}; {-3, -3, -5, -7, -5 ,-1};{1,-3,5,-1,1,-3};{-3,3,-3,-7,1,-7};{3,-5,3,5,5,5};{3,3,-7,-5,-3,-7};{-3,5,5,1,5,3};{1,-5,1,-5,5,-5};{-3,-5,-3,7,-3,7};{1,-1,-5,-7,-5,1};{1,-1,3,-3,5,3};{3,-7,1,-1, -7,-5};{-5,-5,5,5,5,3};{-7,5,-7,3,3,3};{-3,-3,-5,3,5,-5};{5,5,5,-7,7,-7};{3,-7,-1,-7,-3,-3};{1,5,-1,-1,-1,5};{-5,-1,3,-1,1,3};{-7,1,-5,-5,-5,5};{-1,-5,3,5,3,-5};{-3,5,- 5,-5,-5,5};{-5,-5,-1,5,3,-5};{1,-7,3,3,-7,-1};{-1,-3,3,1,5,-5};{-5,-1,5,-7,5,-5};{3,3,-3,-7,-3,-3};{5,-7,5,-1,-5,-5};{5,-5,3,-1,-5,3};{-5,3,5,-1,1,-3};{3,-5,5,3,-5,-1}.

[0315] It is understood that the division of units in the embodiments of the present application is schematic and is only a logical functional division. In actual implementation, there may be other division methods. In addition, the various functional units in the embodiments of the present application can be integrated into a physical device (for example, a processor), or each functional unit can be a separate physical device, or two or more units can be integrated into a unit for implementation. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional modules.

[0316] As shown in Figure 4, communication device 400 includes a processor 410 and an interface circuit 420. Processor 410 and interface circuit 420 are coupled to each other. It is understood that interface circuit 420 can be a transceiver or an input / output interface. Optionally, communication device 400 may also include a memory 430 for storing instructions executed by processor 410, input data required by processor 410 to execute instructions, or data generated after processor 410 executes instructions.

[0317] When the communication device 400 is used to implement the method shown in FIG. 2 , the processor 410 is used to implement the functions of the processing unit 310 , and the interface circuit 420 is used to implement the functions of the transceiver unit 320 .

[0318] When the communication device is a chip used in a terminal, the chip implements the terminal functions described in the method embodiments. The chip receives information sent by the access network device to the terminal through other modules in the terminal (such as a radio frequency module or antenna); alternatively, the chip sends information to other modules in the terminal (such as a radio frequency module or antenna), and the information is sent by the terminal to the access network device.

[0319] When the above-mentioned communication device is a module applied to an access network device, the module implements the functions of the access network device in the above-mentioned method embodiments. The module receives information from other modules in the access network device (such as a radio frequency module or antenna), and the information is sent by the terminal to the access network device; or the module sends information to other modules in the access network device (such as a radio frequency module or antenna), and the information is sent by the access network device to the terminal.

[0320] It is understood that the processor in the embodiments of the present application may be a central processing unit (CPU), or may be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field programmable gate arrays (FPGA), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. The general-purpose processor may be a microprocessor or any conventional processor.

[0321] The memory in the embodiments of the present application can be a random access memory (RAM), a flash memory, a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), a register, a hard disk, a mobile hard disk, a CD-ROM, or any other form of storage medium known in the art.

[0322] The method steps in the embodiments of the present application can be implemented in hardware or in software instructions that can be executed by a processor. The software instructions can be composed of corresponding software modules, and the software modules can be stored in random access memory, flash memory, read-only memory, programmable read-only memory, erasable programmable read-only memory, electrically erasable programmable read-only memory, registers, hard disk, mobile hard disk, CD-ROM or any other form of storage medium well known in the art. An exemplary storage medium is coupled to the processor so that the processor can read information from the storage medium and write information to the storage medium. The storage medium can also be an integral part of the processor. The processor and the storage medium can be located in an ASIC.

[0323] An embodiment of the present application further provides a communication device, which includes a processor and a memory, the processor and the memory are coupled, and the processor is used to implement the functions of the first communication device or the second communication device in Figure 2.

[0324] An embodiment of the present application further provides a communication device, including a processor, which is used to implement the functions of the first communication device or the second communication device in Figure 2.

[0325] The present application also provides a computer-readable storage medium storing instructions, which may also be referred to as a computer program, computer program code, etc. The instructions are executed on a computer, causing the computer to perform the functions of the first communication device or the second communication device in FIG. 2 of the method embodiment.

[0326] An embodiment of the present application further provides a computer program product, including a computer program or instructions. When the computer program or instructions are executed on a computer, the method of the first communication device or the second communication device in FIG. 2 is implemented.

[0327] An embodiment of the present application also provides a chip, which includes a processor coupled to a memory, and the processor is used to execute computer programs or instructions stored in the memory, so that the functions of the first communication device or the second communication device in Figure 2 are implemented.

[0328] The present application also provides a communication system including a first communication device and a second communication device. The first communication device and the second communication device can be used to implement the functions of the first communication device and the second communication device in FIG2 , respectively.

[0329] In the above embodiments, all or part of the embodiments may be implemented using software, hardware, firmware, or any combination thereof. When implemented using software, all or part of the embodiments may be implemented in the form of a computer program product. The computer program product includes one or more computer programs or instructions. When the computer program or instructions are loaded and executed on a computer, the processes or functions described in the embodiments of the present application are performed in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, a network device, a user device, or other programmable device. The computer program or instructions may be stored in a computer-readable storage medium or transferred from one computer-readable storage medium to another. For example, the computer program or instructions may be transferred from one website, computer, server, or data center to another website, computer, server, or data center via wired or wireless means. The computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center that integrates one or more available media. The available medium may be a magnetic medium, such as a floppy disk, hard disk, or magnetic tape; an optical medium, such as a digital video disk; or a semiconductor medium, such as a solid-state drive. The computer-readable storage medium may be a volatile or nonvolatile storage medium, or may include both volatile and nonvolatile types of storage media.

[0330] In the various embodiments of the present application, unless otherwise specified or there is a logical conflict, the terms and / or descriptions between different embodiments are consistent and can be referenced by each other. The technical features in different embodiments can be combined to form new embodiments according to their inherent logical relationships.

Claims

1. A signal sending method, characterized in that, Comprising: Determine a fourth sequence according to a third sequence, where the third sequence is the sequence after discrete Fourier transform (DFT) of a second sequence, and the second sequence is a discrete sequence obtained by phase - continuous modulation (CPM) sampling of a first sequence; Map the fourth sequence onto X sub - carriers to generate a first signal, where X is an integer greater than zero; Transmit the first signal, where the first signal is a signal carrying hybrid automatic repeat request (HARQ) information, or the first signal is a signal carrying scheduling request (SR) information, or the first signal is a demodulation reference signal, or the first signal is a phase - tracking reference signal.

2. The method according to claim 1, characterized in that, The second sequence {s n} includes X elements, s n satisfies: where n is an integer between 0 and X - 1, and exp represents the exponential function with base e. Indicates the phase of the second sequence, Satisfy: Or, Among them, modulo 2*π, or, Without taking the modulo of \(2\pi\), \(h\) represents the modulation index, \(L\) represents the impulse length, \(N\) represents the sampling rate, \(J\) represents the number of sampling blocks, the values of \(h\), \(L\), \(N\) and \(J\) are all real numbers, \(T\) represents the symbol period, \(q(t)\) represents the phase response function, \(\beta\) i represents the element of the first sequence \(\{\beta\) i \}, and \(i\) is an integer between \(0\) and \(J - 1\).

3. The method according to claim 1 or 2, characterized in that During the CPM modulation sampling process: the modulation index h ranges from 11 / 64 to 11 / 32, the impulse length L ranges from L > 1, the phase response function q(t) is 0 when t < 0 and takes a fixed value when t ≥ LT, and the sampling rate N and the number of sampling blocks J satisfy NJ = X.

4. The method according to claim 2 or 3, characterized in that, When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-1, 1, 5, 3, -1, -7}; {-3, -1, 1, 5, -5, 1}; {-7, -5, -1, -3, -3, -5}; {3, -1, 3, 5, 5, 1}; {-7, -7, -7, -5, 5, -3}; {-1, -1, -1, -7, -3, -3}; {5, 5, 3, -5, 3, 5}; {-7, 7, -3, 7, -3, 7}; {-5, -5, -3, -7, -3, 7}; {-5, 3, -7, 1, -5, 5}; {-5, -7, -3, -5, -7, 3}; {5, 3, 3, 3, -7, 1}; {-1, 1, 5, 3, -3, 3}; {-3, -3, -7, 5, -5, -3}; {3, 5, 5, 5, -5, -5}; {-1, 3, -3, -7, -3, 3}; {7, -1, -1, -1, 7, -3}; {5, -7, 7, -7, 5, 5}; {-7, -5, 5, -7, 3, -5}; {-5, 1, -3, -5, 7, -3}; {7, -3, 7, -3, -7, -1}; {-5, 3, -1, -5, 7, 1}; {-7, -5, -7, 1, -1, 3}; {3, -7, 3, 5, 3, -7}; {5, -3, -5, -1, -7, 3}; {-1, 1, 1, 3, -7, 3}; {-3, -7, 3, -1, -3, 3}; {5, -3, 7, -3, -3, -3}; {3, -5, -5, -5, -1, 5}; {-7, -1, -5, 1, -1, 5}; {7, -1, -3, 7, -5, -5}; {-5, -1, 1, -7, -3, 7}; {-5, -3, 7, 1, -1, 1}.

5. The method according to claim 2 or 3, characterized in that, When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-1, -3, 5, -1, 7, -7}; {7, 3, 5, 7, -5, 5}; {-3, -5, -5, -7, 5, -7}; {-7, -7, -7, 3, 3, -7}; {7, 7, 7, -1, -5, 7}; {-7, -3, -1, -7, 3, -7}; {-1, 7, -1, 3, -3, 7}; {3, -5, -7, 3, -3, -3}; {7, 5, -3, 7, 1, 5}; {7, 7, 5, -7, -7, 7}; {-3, -1, 3, 3, -5, 1}; {-7, 5, 5, 3, 7, -3}; {3, -7, -7, -7, 1, -5}; {-3, -7, 1, 7, -3, -5}; {5, 7, 1, -3, 7, -5}; {-1, -5, 7, -7, -1, -5}; {-7, -7, -7, 7, -3, 7}; {7, 1, -7, -7, -7, 3}; {-1, -3, 3, 7, 7, -3}; {7, 5, -7, -3, -7, 5}; {7, -5, -7, -1, 7, -1}; {-1, -7, 5, -1, -1, 5}; {-5, 1, -7, 3, 7, 1}; {-3, -7, 5, -3, 5, -7}; {3, 5, -3, 7, 5, -7}; {-3, -5, 5, -7, 3, 7}; {-7, 1, 5, -5, -7, 3}; {3, -5, 7, -5, -7, 7}; {-7, 7, -1, -5, 1, -7}; {7, -7, -5, 1, 1, 5}.

6. The method according to claim 2 or 3, characterized in that, When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-5, 1, 3, 3, 3, 1}; {-3, -5, -5, -5, -3, -3}; {-1, 3, -3, 1, -3, 3}; {-3, -1, -1, -3, 1, -5}; {3, 5, -1, 1, -1, 5}; {3, -1, -1, 1, 3, 1}; {-1, -5, -3, -5, -1, -3}; {-3, -5, -5, -5, -3, 3}; {3, 1, 5, -3, 3, 3}; {-3, -5, -1, -5, -3, 5}; {1, -5, 1, -3, 3, -3}; {5, -1, -5, -1, 5, 3}; {-1, 3, 1, 3, -1, -5}; {-1, -3, -3, -1, 1, -5}; {3, -3, 3, -1, 1, 3}; {-5, -3, -1, 1, -1, -3}; {5, -7, 3, -7, 5, -5}; {-1, -3, -3, 1, 5, -5}; {1, -5, 3, -5, 3, 3}; {-5, 5, -3, 5, -5, -3}; {1, -1, 5, -5, 3, 3}; {3, 3, 3, -1, -5, -3}; {-1, -5, 3, -5, -1, 3}; {1, -5, 1, 3, -3, 3}; {-1, -5, -1, 3, -5, 3}; {-3, -5, -3, 5, -7, 1}; {-1, 5, -3, -1, -3, 3}; {-3, 5, 1, -1, -5, -3}; {-1, -5, -3, 5, -3, 1}; {-3, 5, -1, -5, -3, 1}; {1, 1, -5, 1, 5, -3}; {5, 1, -5, 1, 1, -3}; {5, -1, -5, -1, 1, -5}; {-5, 3, -1, 3, -7, 1}.

7. The method according to claim 2 or 3, characterized in that, When the modulation index The impulse length L = 2, the modulation dimension M = 8, and the phase response function q(t) is as follows: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {1, 5, 5, -5, -1, -5}; {3, -7, -7, -1, 3, -1}; {7, 7, 5, -3, 5, 1}; {-7, -7, -1, -3, -7, -7}; {7, 7, 1, 7, 1, -5}; {-7, -3, -5, 1, -5, -3}; {1, 3, -1, -3, 1, 1}; {7, 7, 5, 3, -5, 5}; {-1, -7, 1, -1, 1, -5}; {3, -7, -7, -5, -7, 3}; {-3, 3, 1, 5, 1, 3}; {-3, -7, -7, 1, -5, -1}; {7, 7, 5, -5, -7, 5}; {5, 5, -5, -3, 5, 3}; {-3, 1, -3, 5, 7, 3}; {-7, -1, -7, -1, 5, -1}; {3, -3, 5, 5, 1, -1}; {-3, -3, -3, -1, -5, 5}; {-7, -7, -5, 1, -1, -3}; {5, -5, -7, -7, 3, 1}; {-5, -1, -7, -7, 3, -5}; {5, 3, 5, -1, -1, 1}; {-7, -7, 1, 5, 7, -1}; {5, -5, -3, -1, 5, -1}; {3, -3, -1, 3, -7, -5}; {-7, -3, -5, -3, 3, -7}; {3, -5, -1, 3, 1, -1}; {-7, -5, -5, 5, 5, -5}; {5, -5, -1, -7, -7, 5}; {-3, -1, 1, 3, -7, -3}.

8. The method according to claim 2 or 3, characterized in that, When the modulation index the impulse length L = 2, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {3, -1, -7, -1, -3, -1}; {7, 7, 7, 7, 7, 1}; {-7, -7, -5, 5, -1, 3}; {3, 3, -3, 1, 3, 5}; {-5, -3, -7, -7, 1, -1}; {-7, 5, 5, 5, 7, -5}; {-1, -1, -1, 5, -1, -3}; {-5, 5, 7, 7, 7, 1}; {-7, -5, -3, -7, 5, -7}; {1, 7, 7, 1, 5, 3}; {5, -7, -7, -7, -7, 1}; {-1, -1, -7, -1, -1, -3}; {7, 7, 1, 1, 1, 7}; {5, 5, -5, -7, -3, -7}; {7, 1, 7, 7, -3, 5}; {1, -7, -7, -7, -1, -3}; {-3, -3, -1, 3, -1, 5}; {-7, 3, 3, 3, 3, -7}; {-7, -1, -7, 5, 5, 5}; {3, -3, 5, 7, -1, -1}; {-7, 3, -3, 3, -7, -1}; {5, 7, 5, -3, 1, -3}; {5, -5, -1, -7, -7, 5}; {-1, -1, -7, -1, 5, -7}; {1, -3, 5, -7, -7, 1}; {7, 7, 1, 5, -5, -3}; {5, 1, 5, -7, -1, -1}; {-7, 5, 7, 5, -3, -7}; {5, -7, -1, 5, -1, -1}; {5, 5, -7, -1, -1, 1}; {-1, -7, 5, 5, -1, -3}; {-1, 5, -5, -5, -5, 1}.

9. The method according to claim 2 or 3, characterized in that When the modulation index the impulse length L = 4, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-7, 3, 1, -5, 5, 3}; {-3, -7, -3, -7, 1, -5}; {1, 7, 1, 7, -3, 5}; {1, -7, -1, -3, -1, -1}; {3, -5, 5, 3, -1, 1}; {-3, -3, -3, -7, 5, -7}; {1, 1, 5, 3, -3, 5}; {1, -1, -5, 1, 5, -7}; {7, 1, -7, 3, 7, 1}; {-3, -5, -5, -5, -1, 1}; {5, -1, 5, -3, 3, 3}; {-7, -1, -3, -7, 7, -1}; {-5, -3, 3, -3, 1, 1}; {3, 1, 5, -1, -5, 3}; {1, 3, -3, 5, -3, -3}; {-3, 1, -7, -1, 3, -5}; {5, 3, 1, -3, 3, 3}; {-5, -3, -3, 7, -3, -5}; {1, 7, -3, -5, 1, -7}; {-1, -3, 5, -1, 1, 5}; {-1, -7, 3, 3, 5, 3}; {7, -3, -7, 1, 5, -3}; {-7, 3, -1, 1, -5, -3}; {3, 3, -7, 3, -5, 3}; {7, -7, -3, -3, 5, -5}; {5, -1, -5, -5, 5, 1}; {-5, -3, 1, 7, -3, -3}; {5, 3, -7, 7, -5, -3}; {-7, -3, 3, -7, 7, 1}; {7, -7, 3, -3, -7, 1}.

10. The method according to claim 2 or 3, characterized in that, When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-7, 7, -7, -1, -7, 7}; {5, -1, 5, 5, 5, -3}; {-5, -5, -1, -1, -7, -5}; {-7, 7, -3, -7, -7, -7}; {1, 5, 1, -3, -3, 7}; {5, 5, -7, 3, 5, 5}; {-7, 3, -5, -7, -1, 1}; {1, -7, 5, -1, 1, 1}; {1, 7, -1, -1, 7, 3}; {-3, 7, -5, -5, -3, -7}; {-7, -1, -5, -3, 3, -1}; {-3, 7, -3, 7, -1, -7}; {-1, -1, -1, 7, -7, 1}; {-1, -5, -7, -7, -5, -1}; {1, -1, 5, 5, -5, 1}; {3, 5, 3, -7, 3, -7}; {7, -5, -5, -7, 7, 3}; {-7, -5, 1, -1, 1, -5}; {5, 1, 1, 5, -1, -3}; {5, -1, -7, 1, -7, 1}; {3, -7, -1, 1, -3, -3}; {-7, -5, -7, -3, 5, 1}; {7, -3, -3, -3, 7, 3}; {-7, 7, -3, 7, -7, -5}; {-1, -3, -1, -5, 7, -5}; {-5, 5, -7, 5, 5, 5}; {-7, -5, -7, 3, 5, 3}; {7, -7, 1, -5, 7, -3}; {-3, -5, 5, 3, 5, -5}; {7, -5, -7, 5, -5, -3}; {3, -5, -7, -1, 7, -5}; {5, -7, -5, 7, -3, -5}; {3, -5, 7, -1, -7, -5}; {-1, -7, 5, -3, -1, 7}; {-5, 7, -7, -3, 7, 1}; {3, 7, -3, 3, -3, -7}.

11. The method according to claim 2 or 3, characterized in that, When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is as follows: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {3, 3, -1, -7, -1, -7}; {-3, 5, 5, 5, -5, 1}; {-5, -7, -5, -7, -1, 5}; {1, -5, -7, -5, 3, -5}; {5, 7, -1, 5, -3, 5}; {1, 5, -5, 1, -3, -1}; {-7, -7, -7, -3, -5, 1}; {7, -1, 7, 5, 1, -1}; {-7, 3, -3, 1, -1, -1}; {-3, -5, 3, -7, -1, -7}; {3, 3, 3, -7, 7, 1}; {-3, -7, -7, -5, -1, -7}; {-5, 5, -1, -1, 7, 5}; {5, 5, 3, 5, -1, -7}; {1, -7, -7, -7, 3, -1}; {-7, 1, 5, -1, 5, -3}; {3, -3, 3, -7, 5, -1}; {-7, -1, -5, -3, 3, -5}; {3, -7, -7, -7, 3, 5}; {-1, 7, -3, 3, -3, 7}; {-7, 1, -7, 5, 5, 3}; {-1, 3, -3, -7, -5, 3}; {-1, -5, -1, 5, -7, -1}; {-3, 5, 5, 5, -5, -7}; {-1, -7, -3, -7, -3, 1}; {-5, 1, -5, 3, 3, 3}; {-1, -7, 3, 3, -3, 5}; {-7, -5, 3, -1, -5, 5}; {-5, -5, -5, 5, 5, -5}; {-1, 3, 5, 5, -7, 5}.

12. The method according to claim 2 or 3, characterized in that, When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is: When the bandwidth B = 0.3, the sampling rate N = 2, and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-1, -5, 3, -3, 3, -5}; {7, -1, 7, -1, 7, 5}; {-5, 3, -7, -5, -3, -7}; {-1, 5, -5, 5, -1, 5}; {-5, -1, -7, 1, -7, 3}; {5, 5, -1, 3, -1, 5}; {1, -3, -1, 1, 5, 5}; {-3, -3, -5, -7, -5, -1}; {1, -3, 5, -1, 1, -3}; {-3, 3, -3, -7, 1, -7}; {3, -5, 3, 5, 5, 5}; {3, 3, -7, -5, -3, -7}; {-3, 5, 5, 1, 5, 3}; {1, -5, 1, -5, 5, -5}; {-3, -5, -3, 7, -3, 7}; {1, -1, -5, -7, -5, 1}; {1, -1, 3, -3, 5, 3}; {3, -7, 1, -1, -7, -5}; {-5, -5, 5, 5, 5, 3}; {-7, 5, -7, 3, 3, 3}; {-3, -3, -5, 3, 5, -5}; {5, 5, 5, -7, 7, -7}; {3, -7, -1, -7, -3, -3}; {1, 5, -1, -1, -1, 5}; {-5, -1, 3, -1, 1, 3}; {-7, 1, -5, -5, -5, 5}; {-1, -5, 3, 5, 3, -5}; {-3, 5, -5, -5, -5, 5}; {-5, -5, -1, 5, 3, -5}; {1, -7, 3, 3, -7, -1}; {-1, -3, 3, 1, 5, -5}; {-5, -1, 5, -7, 5, -5}; {3, 3, -3, -7, -3, -3}; {5, -7, 5, -1, -5, -5}; {5, -5, 3, -1, -5, 3}; {-5, 3, 5, -1, 1, -3}; {3, -5, 5, 3, -5, -1}.

13. The method according to any one of claims 1 to 12, characterized in that, The fourth sequence includes X elements, and mapping the fourth sequence onto X sub - carriers includes: Mapping the X elements onto consecutive X sub - carriers respectively; or Mapping the X elements onto non - consecutive and equally - spaced X sub - carriers respectively.

14. A signal receiving method, characterized in that, Comprising: Receive a first signal, where the first signal is a signal carrying hybrid automatic repeat request (HARQ) information, or the first signal is a signal carrying scheduling request (SR) information, or the first signal is a demodulation reference signal, or the first signal is a phase - tracking reference signal; Perform orthogonal frequency - division multiplexing (OFDM) demodulation on the first signal to determine the fourth sequence; Determine a first result according to the fourth sequence and the third sequence, where the first result is a decoding result or the first result is a channel estimation result, the third sequence is the sequence after discrete Fourier transform (DFT) of a second sequence, and the second sequence is a discrete sequence obtained by phase - continuous modulation (CPM) sampling of a first sequence.

15. The method according to claim 14, wherein The second sequence {s n} includes X elements, where s n satisfies: where n is an integer between 0 and X - 1, X is an integer greater than zero, and exp represents the exponential function with base e. Indicates the phase of the second sequence, Satisfy: Or, Among them, Modulo 2*π, or not modulo 2*π, h represents the modulation index, L represents the impulse length, N represents the sampling rate, J represents the number of sampling blocks, the values of h, L, N, and J are all real numbers, T represents the symbol period, q(t) represents the phase response function, β i represents an element in the first sequence {β i}, and i is an integer between 0 and J-1.

16. The method according to claim 14 or 15, characterized in that During the CPM modulation sampling process: the modulation index h ranges from 11 / 64 to 11 / 32, the impulse length L ranges from L > 1, the phase response function q(t) is 0 when t < 0 and takes a fixed value when t ≥ LT, and the sampling rate N and the number of sampling blocks J satisfy NJ = X.

17. The method according to claim 15 or 16, characterized in that When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-1, 1, 5, 3, -1, -7}; {-3, -1, 1, 5, -5, 1}; {-7, -5, -1, -3, -3, -5}; {3, -1, 3, 5, 5, 1}; {-7, -7, -7, -5, 5, -3}; {-1, -1, -1, -7, -3, -3}; {5, 5, 3, -5, 3, 5}; {-7, 7, -3, 7, -3, 7}; {-5, -5, -3, -7, -3, 7}; {-5, 3, -7, 1, -5, 5}; {-5, -7, -3, -5, -7, 3}; {5, 3, 3, 3, -7, 1}; {-1, 1, 5, 3, -3, 3}; {-3, -3, -7, 5, -5, -3}; {3, 5, 5, 5, -5, -5}; {-1, 3, -3, -7, -3, 3}; {7, -1, -1, -1, 7, -3}; {5, -7, 7, -7, 5, 5}; {-7, -5, 5, -7, 3, -5}; {-5, 1, -3, -5, 7, -3}; {7, -3, 7, -3, -7, -1}; {-5, 3, -1, -5, 7, 1}; {-7, -5, -7, 1, -1, 3}; {3, -7, 3, 5, 3, -7}; {5, -3, -5, -1, -7, 3}; {-1, 1, 1, 3, -7, 3}; {-3, -7, 3, -1, -3, 3}; {5, -3, 7, -3, -3, -3}; {3, -5, -5, -5, -1, 5}; {-7, -1, -5, 1, -1, 5}; {7, -1, -3, 7, -5, -5}; {-5, -1, 1, -7, -3, 7}; {-5, -3, 7, 1, -1, 1}.

18. The method according to claim 15 or 16, characterized in that, When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-1, -3, 5, -1, 7, -7}; {7, 3, 5, 7, -5, 5}; {-3, -5, -5, -7, 5, -7}; {-7, -7, -7, 3, 3, -7}; {7, 7, 7, -1, -5, 7}; {-7, -3, -1, -7, 3, -7}; {-1, 7, -1, 3, -3, 7}; {3, -5, -7, 3, -3, -3}; {7, 5, -3, 7, 1, 5}; {7, 7, 5, -7, -7, 7}; {-3, -1, 3, 3, -5, 1}; {-7, 5, 5, 3, 7, -3}; {3, -7, -7, -7, 1, -5}; {-3, -7, 1, 7, -3, -5}; {5, 7, 1, -3, 7, -5}; {-1, -5, 7, -7, -1, -5}; {-7, -7, -7, 7, -3, 7}; {7, 1, -7, -7, -7, 3}; {-1, -3, 3, 7, 7, -3}; {7, 5, -7, -3, -7, 5}; {7, -5, -7, -1, 7, -1}; {-1, -7, 5, -1, -1, 5}; {-5, 1, -7, 3, 7, 1}; {-3, -7, 5, -3, 5, -7}; {3, 5, -3, 7, 5, -7}; {-3, -5, 5, -7, 3, 7}; {-7, 1, 5, -5, -7, 3}; {3, -5, 7, -5, -7, 7}; {-7, 7, -1, -5, 1, -7}; {7, -7, -5, 1, 1, 5}.

19. The method according to claim 15 or 16, characterized in that When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-5, 1, 3, 3, 3, 1}; {-3, -5, -5, -5, -3, -3}; {-1, 3, -3, 1, -3, 3}; {-3, -1, -1, -3, 1, -5}; {3, 5, -1, 1, -1, 5}; {3, -1, -1, 1, 3, 1}; {-1, -5, -3, -5, -1, -3}; {-3, -5, -5, -5, -3, 3}; {3, 1, 5, -3, 3, 3}; {-3, -5, -1, -5, -3, 5}; {1, -5, 1, -3, 3, -3}; {5, -1, -5, -1, 5, 3}; {-1, 3, 1, 3, -1, -5}; {-1, -3, -3, -1, 1, -5}; {3, -3, 3, -1, 1, 3}; {-5, -3, -1, 1, -1, -3}; {5, -7, 3, -7, 5, -5}; {-1, -3, -3, 1, 5, -5}; {1, -5, 3, -5, 3, 3}; {-5, 5, -3, 5, -5, -3}; {1, -1, 5, -5, 3, 3}; {3, 3, 3, -1, -5, -3}; {-1, -5, 3, -5, -1, 3}; {1, -5, 1, 3, -3, 3}; {-1, -5, -1, 3, -5, 3}; {-3, -5, -3, 5, -7, 1}; {-1, 5, -3, -1, -3, 3}; {-3, 5, 1, -1, -5, -3}; {-1, -5, -3, 5, -3, 1}; {-3, 5, -1, -5, -3, 1}; {1, 1, -5, 1, 5, -3}; {5, 1, -5, 1, 1, -3}; {5, -1, -5, -1, 1, -5}; {-5, 3, -1, 3, -7, 1}.

20. The method according to claim 15 or 16, characterized in that When the modulation index the impulse length L = 2, the modulation dimension M = 8, and the phase response function q(t) is as follows: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {1, 5, 5, -5, -1, -5}; {3, -7, -7, -1, 3, -1}; {7, 7, 5, -3, 5, 1}; {-7, -7, -1, -3, -7, -7}; {7, 7, 1, 7, 1, -5}; {-7, -3, -5, 1, -5, -3}; {1, 3, -1, -3, 1, 1}; {7, 7, 5, 3, -5, 5}; {-1, -7, 1, -1, 1, -5}; {3, -7, -7, -5, -7, 3}; {-3, 3, 1, 5, 1, 3}; {-3, -7, -7, 1, -5, -1}; {7, 7, 5, -5, -7, 5}; {5, 5, -5, -3, 5, 3}; {-3, 1, -3, 5, 7, 3}; {-7, -1, -7, -1, 5, -1}; {3, -3, 5, 5, 1, -1}; {-3, -3, -3, -1, -5, 5}; {-7, -7, -5, 1, -1, -3}; {5, -5, -7, -7, 3, 1}; {-5, -1, -7, -7, 3, -5}; {5, 3, 5, -1, -1, 1}; {-7, -7, 1, 5, 7, -1}; {5, -5, -3, -1, 5, -1}; {3, -3, -1, 3, -7, -5}; {-7, -3, -5, -3, 3, -7}; {3, -5, -1, 3, 1, -1}; {-7, -5, -5, 5, 5, -5}; {5, -5, -1, -7, -7, 5}; {-3, -1, 1, 3, -7, -3}.

21. The method according to claim 15 or 16, characterized in that When the modulation index the impulse length L = 2, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {3, -1, -7, -1, -3, -1}; {7, 7, 7, 7, 7, 1}; {-7, -7, -5, 5, -1, 3}; {3, 3, -3, 1, 3, 5}; {-5, -3, -7, -7, 1, -1}; {-7, 5, 5, 5, 7, -5}; {-1, -1, -1, 5, -1, -3}; {-5, 5, 7, 7, 7, 1}; {-7, -5, -3, -7, 5, -7}; {1, 7, 7, 1, 5, 3}; {5, -7, -7, -7, -7, 1}; {-1, -1, -7, -1, -1, -3}; {7, 7, 1, 1, 1, 7}; {5, 5, -5, -7, -3, -7}; {7, 1, 7, 7, -3, 5}; {1, -7, -7, -7, -1, -3}; {-3, -3, -1, 3, -1, 5}; {-7, 3, 3, 3, 3, -7}; {-7, -1, -7, 5, 5, 5}; {3, -3, 5, 7, -1, -1}; {-7, 3, -3, 3, -7, -1}; {5, 7, 5, -3, 1, -3}; {5, -5, -1, -7, -7, 5}; {-1, -1, -7, -1, 5, -7}; {1, -3, 5, -7, -7, 1}; {7, 7, 1, 5, -5, -3}; {5, 1, 5, -7, -1, -1}; {-7, 5, 7, 5, -3, -7}; {5, -7, -1, 5, -1, -1}; {5, 5, -7, -1, -1, 1}; {-1, -7, 5, 5, -1, -3}; {-1, 5, -5, -5, -5, 1}.

22. The method according to claim 15 or 16, characterized in that, When the modulation index the impulse length L = 4, the modulation dimension M = 8, and the phase response function q(t) is as follows: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-7, 3, 1, -5, 5, 3}; {-3, -7, -3, -7, 1, -5}; {1, 7, 1, 7, -3, 5}; {1, -7, -1, -3, -1, -1}; {3, -5, 5, 3, -1, 1}; {-3, -3, -3, -7, 5, -7}; {1, 1, 5, 3, -3, 5}; {1, -1, -5, 1, 5, -7}; {7, 1, -7, 3, 7, 1}; {-3, -5, -5, -5, -1, 1}; {5, -1, 5, -3, 3, 3}; {-7, -1, -3, -7, 7, -1}; {-5, -3, 3, -3, 1, 1}; {3, 1, 5, -1, -5, 3}; {1, 3, -3, 5, -3, -3}; {-3, 1, -7, -1, 3, -5}; {5, 3, 1, -3, 3, 3}; {-5, -3, -3, 7, -3, -5}; {1, 7, -3, -5, 1, -7}; {-1, -3, 5, -1, 1, 5}; {-1, -7, 3, 3, 5, 3}; {7, -3, -7, 1, 5, -3}; {-7, 3, -1, 1, -5, -3}; {3, 3, -7, 3, -5, 3}; {7, -7, -3, -3, 5, -5}; {5, -1, -5, -5, 5, 1}; {-5, -3, 1, 7, -3, -3}; {5, 3, -7, 7, -5, -3}; {-7, -3, 3, -7, 7, 1}; {7, -7, 3, -3, -7, 1}.

23. The method according to claim 15 or 16, characterized in that, When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-7, 7, -7, -1, -7, 7}; {5, -1, 5, 5, 5, -3}; {-5, -5, -1, -1, -7, -5}; {-7, 7, -3, -7, -7, -7}; {1, 5, 1, -3, -3, 7}; {5, 5, -7, 3, 5, 5}; {-7, 3, -5, -7, -1, 1}; {1, -7, 5, -1, 1, 1}; {1, 7, -1, -1, 7, 3}; {-3, 7, -5, -5, -3, -7}; {-7, -1, -5, -3, 3, -1}; {-3, 7, -3, 7, -1, -7}; {-1, -1, -1, 7, -7, 1}; {-1, -5, -7, -7, -5, -1}; {1, -1, 5, 5, -5, 1}; {3, 5, 3, -7, 3, -7}; {7, -5, -5, -7, 7, 3}; {-7, -5, 1, -1, 1, -5}; {5, 1, 1, 5, -1, -3}; {5, -1, -7, 1, -7, 1}; {3, -7, -1, 1, -3, -3}; {-7, -5, -7, -3, 5, 1}; {7, -3, -3, -3, 7, 3}; {-7, 7, -3, 7, -7, -5}; {-1, -3, -1, -5, 7, -5}; {-5, 5, -7, 5, 5, 5}; {-7, -5, -7, 3, 5, 3}; {7, -7, 1, -5, 7, -3}; {-3, -5, 5, 3, 5, -5}; {7, -5, -7, 5, -5, -3}; {3, -5, -7, -1, 7, -5}; {5, -7, -5, 7, -3, -5}; {3, -5, 7, -1, -7, -5}; {-1, -7, 5, -3, -1, 7}; {-5, 7, -7, -3, 7, 1}; {3, 7, -3, 3, -3, -7}.

24. The method according to claim 15 or 16, characterized in that, When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is: When the sampling rate N = 2 and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {3, 3, -1, -7, -1, -7}; {-3, 5, 5, 5, -5, 1}; {-5, -7, -5, -7, -1, 5}; {1, -5, -7, -5, 3, -5}; {5, 7, -1, 5, -3, 5}; {1, 5, -5, 1, -3, -1}; {-7, -7, -7, -3, -5, 1}; {7, -1, 7, 5, 1, -1}; {-7, 3, -3, 1, -1, -1}; {-3, -5, 3, -7, -1, -7}; {3, 3, 3, -7, 7, 1}; {-3, -7, -7, -5, -1, -7}; {-5, 5, -1, -1, 7, 5}; {5, 5, 3, 5, -1, -7}; {1, -7, -7, -7, 3, -1}; {-7, 1, 5, -1, 5, -3}; {3, -3, 3, -7, 5, -1}; {-7, -1, -5, -3, 3, -5}; {3, -7, -7, -7, 3, 5}; {-1, 7, -3, 3, -3, 7}; {-7, 1, -7, 5, 5, 3}; {-1, 3, -3, -7, -5, 3}; {-1, -5, -1, 5, -7, -1}; {-3, 5, 5, 5, -5, -7}; {-1, -7, -3, -7, -3, 1}; {-5, 1, -5, 3, 3, 3}; {-1, -7, 3, 3, -3, 5}; {-7, -5, 3, -1, -5, 5}; {-5, -5, -5, 5, 5, -5}; {-1, 3, 5, 5, -7, 5}.

25. The method according to claim 15 or 16, characterized in that, When the modulation index the impulse length L = 3, the modulation dimension M = 8, and the phase response function q(t) is as follows: When the bandwidth B = 0.3, the sampling rate N = 2, and the number of sampling blocks J = 6: The first sequence {β i} belongs to a first sequence set, and the sequences in the first sequence set include at least one of the following sequences: {-1, -5, 3, -3, 3, -5}; {7, -1, 7, -1, 7, 5}; {-5, 3, -7, -5, -3, -7}; {-1, 5, -5, 5, -1, 5}; {-5, -1, -7, 1, -7, 3}; {5, 5, -1, 3, -1, 5}; {1, -3, -1, 1, 5, 5}; {-3, -3, -5, -7, -5, -1}; {1, -3, 5, -1, 1, -3}; {-3, 3, -3, -7, 1, -7}; {3, -5, 3, 5, 5, 5}; {3, 3, -7, -5, -3, -7}; {-3, 5, 5, 1, 5, 3}; {1, -5, 1, -5, 5, -5}; {-3, -5, -3, 7, -3, 7}; {1, -1, -5, -7, -5, 1}; {1, -1, 3, -3, 5, 3}; {3, -7, 1, -1, -7, -5}; {-5, -5, 5, 5, 5, 3}; {-7, 5, -7, 3, 3, 3}; {-3, -3, -5, 3, 5, -5}; {5, 5, 5, -7, 7, -7}; {3, -7, -1, -7, -3, -3}; {1, 5, -1, -1, -1, 5}; {-5, -1, 3, -1, 1, 3}; {-7, 1, -5, -5, -5, 5}; {-1, -5, 3, 5, 3, -5}; {-3, 5, -5, -5, -5, 5}; {-5, -5, -1, 5, 3, -5}; {1, -7, 3, 3, -7, -1}; {-1, -3, 3, 1, 5, -5}; {-5, -1, 5, -7, 5, -5}; {3, 3, -3, -7, -3, -3}; {5, -7, 5, -1, -5, -5}; {5, -5, 3, -1, -5, 3}; {-5, 3, 5, -1, 1, -3}; {3, -5, 5, 3, -5, -1}.

26. A communication device, characterized in that, It includes units for implementing the method according to any one of claims 1 to 13.

27. A communication device, characterized in that, It includes a processor and a memory, the processor and the memory being coupled, and the processor being used to implement the method according to any one of claims 1 to 13.

28. A communication device, characterized in that, It includes a processor and an interface circuit, the interface circuit being used to receive signals from other communication devices outside the communication device and transmit them to the processor or send signals from the processor to other communication devices outside the communication device, and the processor being used to implement the method according to any one of claims 1 to 13 through logic circuits or by executing code instructions.

29. A communication device, characterized in that, It includes units for implementing the method according to any one of claims 14 to 25.

30. A communication device, characterized in that, It includes a processor and a memory, the processor and the memory being coupled, and the processor being used to implement the method according to any one of claims 14 to 25.

31. A communication device, characterized in that, It includes a processor and an interface circuit, the interface circuit being used to receive signals from other communication devices outside the communication device and transmit them to the processor or send signals from the processor to other communication devices outside the communication device, and the processor being used to implement the method according to any one of claims 14 to 25 through logic circuits or by executing code instructions.

32. A computer-readable storage medium, characterized in that, Instructions are stored on the computer-readable storage medium, and when the instructions run on a computer, the computer executes the method according to any one of claims 1 to 13 or the method according to any one of claims 14 to 25.

33. A computer program product, characterized in that, It includes a computer program or instructions, and when the computer program or instructions are run by a communication device, the method according to any one of claims 1 to 13 is executed, or the method according to any one of claims 14 to 25 is executed.

34. A chip, characterized in that, It includes a processor, the processor being coupled to a memory and being used to execute the computer program or instructions stored in the memory, so that the chip implements the method according to any one of claims 1 to 13 or implements the method according to any one of claims 14 to 25.

35. A communication system, characterized in that, It includes: A first communication device, the first communication device being used to execute the method according to any one of claims 1 to 13; A second communication device, the second communication device being used to execute the method according to any one of claims 14 to 25.

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