阅读说明：本技术 生成参考信号的方法、检测参考信号的方法和通信装置 (Method for generating reference signal, method for detecting reference signal and communication device ) 是由 史桢宇 王艺 于 2020-04-03 设计创作，主要内容包括：本申请提供了一种生成参考信号的方法、检测参考信号的方法和通信装置,以期终端设备或网络设备能够使用本申请实施例提供的伪随机序列初始因子c-(init)生成参考信号,且该生成方式能够支持较多数量的参考信号序列,相比现有技术的方案,更能满足5G多种场景的需要。该方法可以包括：基于伪随机序列初始因子c-(init),得到参考信号的序列；映射序列到一个或多个OFDM符号；其中,伪随机序列初始因子c-(init)与参数d相关,d＝max(log-(2)(n-(ID,max)+1)-10,0),或,d＝max(log-(2)(n-(ID,max)+1)-12,0),max表示两者之间取较大值,n-(ID,max)表示参考信号序列ID的最大值。(The application provides a method for generating a reference signal, a method for detecting a reference signal and a communication device, so that a terminal device or a network device can use a pseudo-random sequence initial factor c provided by the embodiment of the application init And generating reference signals, wherein the generating mode can support a large number of reference signal sequences, and compared with the scheme in the prior art, the method can better meet the requirements of various 5G scenes. The method can comprise the following steps: initial factor c based on pseudo-random sequence init Obtaining a sequence of a reference signal; mapping a sequence to one or more OFDM symbols; wherein, the pseudo-random sequence initial factor c init In relation to the parameter d, d ═ max (log) 2 (n ID,max +1) -10,0), or, d ═ max (log) 2 (n ID,max +1) -12,0), max represents the larger value between the two, n ID,max Indicating the maximum value of the reference signal sequence ID.)

A method of generating a reference signal, comprising:

initial factor c based on pseudo-random sequence_initObtaining a sequence of a reference signal;

mapping the sequence to one or more OFDM symbols;

wherein the pseudo-random sequence initial factor c_initBy means of a 31-bit representation,

the lower 10 bits of the 31 bits represent n_IDmod 1024；

The upper 21 bits of the 31 bits represent

D bit representation of the 21 bitsThe value of d and n_IDIs correlated with the maximum value of (a);

wherein the content of the first and second substances,indicates the number of OFDM symbols within one slot,meaning that the rounding is done down,index indicating a time slot within one frame, l indicates an OFDM symbol index within one time slotIntroduction, n_IDDenotes the reference signal sequence ID, μ denotes a parameter related to the subcarrier spacing, and mod denotes a modulo operation.

The method of claim 1, wherein c is_initExpressed by 31 bits, specifically comprising:

c is mentioned_initN through the lower 10 bits_IDmod 1024, and of the upper 21 bitsAnd d bitsAdd and then pair 2³¹And (5) obtaining the remainder.

The method of claim 1 or 2, wherein the d bits overlap with the 21 bits, and wherein the d bits are located in the middle of the 21 bits.

A method according to any one of claims 1 to 3, wherein when n is reached_IDAnd when the value is less than 4095, the value of d is 2.

The method according to any one of claims 1 to 4,

the initial factor c of the pseudo-random sequence_initThe following formula is satisfied:

wherein the content of the first and second substances,indicates the number of OFDM symbols within one slot,meaning that the rounding is done down,indicating the index of a slot within a frame, l indicating the index of an OFDM symbol within a slot, n_IDDenotes a reference signal index ID, μ denotes a parameter related to a subcarrier spacing, and mod denotes a modulo operation.

A method of detecting a reference signal, comprising:

receiving a reference signal to obtain a first sequence;

initial factor c based on pseudo-random sequence_initObtaining a second sequence;

performing correlation detection on the first sequence and the second sequence;

wherein the pseudo-random sequence initial factor c_initBy means of a 31-bit representation,

the lower 10 bits of the 31 bits represent n_IDmod 1024；

The upper 21 bits of the 31 bits represent

D bit representation of the 21 bitsThe value of d and n_IDIs correlated with the maximum value of (a);

wherein the content of the first and second substances,indicates the number of OFDM symbols within one slot,meaning that the rounding is done down,indicating the index of a slot within a frame, l indicating the index of an OFDM symbol within a slot, n_IDDenotes the reference signal sequence ID, μ denotes a parameter related to the subcarrier spacing, and mod denotes a modulo operation.

The method of claim 6, wherein c is_initExpressed by 31 bits, specifically comprising:

c is mentioned_initN through the lower 10 bits_IDmod 1024, and of the upper 21 bitsAnd d bitsAdd and then pair 2³¹And (5) obtaining the remainder.

The method of claim 6 or 7, wherein the d bits overlap with the 21 bits, and wherein the d bits are located in the middle of the 21 bits.

The method according to any one of claims 6 to 8, wherein when n is equal to_IDAnd when the value is less than 4095, the value of d is 2.

Method according to any of claims 6 to 9, characterized in that the pseudo-random sequence initial factor c_initThe following formula is satisfied:

wherein the content of the first and second substances,indicates the number of OFDM symbols within one slot,meaning that the rounding is done down,indicating the index of a slot within a frame, l indicating the index of an OFDM symbol within a slot, n_IDDenotes a reference signal index ID, μ denotes a parameter related to a subcarrier spacing, and mod denotes a modulo operation.

A communications apparatus, comprising: a processing unit and a mapping unit, wherein,

the processing unit is configured to: initial factor c based on pseudo-random sequence_initObtaining a sequence of a reference signal;

the mapping unit is configured to: mapping the sequence to one or more OFDM symbols;

wherein the pseudo-random sequence initial factor c_initBy means of a 31-bit representation,

the lower 10 bits of the 31 bits represent n_IDmod 1024；

The 31 bitsHigh order 21bit representation in

D bit representation of the 21 bitsThe value of d and n_IDIs correlated with the maximum value of (a);

wherein the content of the first and second substances,indicates the number of OFDM symbols within one slot,meaning that the rounding is done down,indicating the index of a slot within a frame, l indicating the index of an OFDM symbol within a slot, n_IDDenotes the reference signal sequence ID, μ denotes a parameter related to the subcarrier spacing, and mod denotes a modulo operation.

The apparatus of claim 11, wherein c is_initExpressed by 31 bits, specifically comprising:

c is mentioned_initN through the lower 10 bits_IDmod 1024, and of the upper 21 bitsAnd d bitsAdd and then pair 2³¹And (5) obtaining the remainder.

The apparatus of claim 11 or 12, wherein the d bits overlap the 21 bits, and wherein the d bits are located in the middle of the 21 bits.

The apparatus of any one of claims 11 to 13, wherein when n is_IDAnd when the value is less than 4095, the value of d is 2.

The apparatus according to any of claims 11 to 14, wherein the pseudo-random sequence initiation factor c_initThe following formula is satisfied:

wherein the content of the first and second substances,indicates the number of OFDM symbols within one slot,meaning that the rounding is done down,indicating the index of a slot within a frame, l indicating the index of an OFDM symbol within a slot, n_IDDenotes a reference signal index ID, μ denotes a parameter related to a subcarrier spacing, and mod denotes a modulo operation.

A communications apparatus, comprising: a communication unit and a processing unit, wherein,

the communication unit is configured to: receiving a reference signal;

the processing unit is configured to: obtaining a first sequence based on the reference signal;

the processing unit is further to: initial factor c based on pseudo-random sequence_initObtaining a second sequence;

the processing unit is further to: performing correlation detection on the first sequence and the second sequence;

wherein the pseudo-random sequence initial factor c_initBy means of a 31-bit representation,

the lower 10 bits of the 31 bits represent n_IDmod 1024；

The upper 21 bits of the 31 bits represent

D bit representation of the 21 bitsThe value of d and n_IDIs correlated with the maximum value of (a);

wherein the content of the first and second substances,indicates the number of OFDM symbols within one slot,meaning that the rounding is done down,index indicating a time slot within a frame, l indicates O within a time slotFDM symbol index, n_IDDenotes the reference signal sequence ID, μ denotes a parameter related to the subcarrier spacing, and mod denotes a modulo operation.

The apparatus of claim 16, wherein c is_initExpressed by 31 bits, specifically comprising:

c is mentioned_initN through the lower 10 bits_IDmod 1024, and of the upper 21 bitsAnd d bitsAdd and then pair 2³¹And (5) obtaining the remainder.

The apparatus of claim 16 or 17, wherein the d bits overlap with the 21 bits, and wherein the d bits are located in a middle position of the 21 bits.

The apparatus of any one of claims 16 to 18, wherein when n is equal to_IDAnd when the value is less than 4095, the value of d is 2.

The apparatus according to any of claims 16 to 19, wherein the pseudo-random sequence initiation factor c_initThe following formula is satisfied:

wherein the content of the first and second substances,indicates the number of OFDM symbols within one slot,meaning that the rounding is done down,indicating the index of a slot within a frame, l indicating the index of an OFDM symbol within a slot, n_IDDenotes a reference signal index ID, μ denotes a parameter related to a subcarrier spacing, and mod denotes a modulo operation.

A communications apparatus, comprising:

a memory comprising computer instructions;

a processor for executing computer instructions stored in the memory and execution of the computer instructions causes the processor to perform the method of any of claims 1 to 5 or causes the processor to perform the method of any of claims 6 to 10.

A computer storage medium, having stored thereon a computer program which, when executed by a computer, causes the computer to perform the method of any one of claims 1 to 5 or the computer to perform the method of any one of claims 6 to 10.