Sequence transmission method, sequence receiving method, terminal, network device and storage medium

1 . A sequence transmission method, comprising:

sending, by a terminal, a preamble sequence to a network device;

wherein the preamble sequence is determined based on a first bit, and the first bit includes a cyclic redundancy check (CRC) bit obtained by performing CRC encoding on user data, the user data includes at least one of user identity information or data, and the user data does not comprise the CRC bit;

wherein the preamble sequence includes:

a preamble sequence or a preamble sequence set determined according to an encoded codeword of the first bit;

wherein the encoded codeword includes:

a codeword obtained by encoding the first bit; or

segments of a codeword obtained by encoding the first bit; or

codewords respectively obtained by encoding segments of the first bits; or

a concatenation of codewords respectively obtained by encoding the segments of the first bits.

2 . The method according to claim 1 , wherein the first bit is the CRC bit; or the first bit is the CRC bit and a second bit, and the second bit includes at least one of a signature sequence number bit, partial data bits of the user data, and a control information bit corresponding to the user data.

3 . The method according to claim 1 , further comprising:

sending, by the terminal, the user data to the network device, wherein a sending format of the user data is a sending format determined based on the first bit, and the user data is encoded without encoding the CRC bit.

4 . The method according to claim 3 , wherein the sending, by the terminal, user data to the network device comprises:

sending the user data to the network device on K resources using a Pattern Division Multiple Access (PDMA) mode or a non-orthogonal multiple access (NOMA) mode, wherein K is an integer greater than or equal to 1;

wherein, a PDMA sequence of the PDMA mode is determined based on the first bit, and the PDMA sequence includes K elements corresponding to the K resources in a one-to-one manner, and a transmission state of each resource in the K resources is determined by a corresponding element.

5 . The method according to claim 1 , wherein the sending, by the terminal, the preamble sequence to the network device, includes:

sending periodically, by the terminal, the preamble sequence to the network device until a number of sending times of the preamble sequence reaches a maximum number or receives confirmation information sent by the network device, wherein the confirmation information is used to indicate that the network device correctly receives the user data.

6 . The method according to claim 5 , further comprising:

detecting, by the terminal, the confirmation information sent by the network device within a time window;

wherein the confirmation information is used to implicitly or explicitly indicate a sequence number of the preamble sequence.

7 . The method according to claim 1 , further comprising:

receiving, by the terminal, configuration information sent by the network device, wherein the configuration information is used to configure at least one of the following:

a resource location of the preamble sequence, a sending period of the preamble sequence, a resource location of the user data, or a number of transmission times of the user data.

8 . A sequence receiving method, comprising:

detecting, by a network device, a preamble sequence sent by a terminal;

decoding, by the network device, the preamble sequence to obtain a first bit;

wherein, the first bit includes a cyclic redundancy check (CRC) bit obtained by performing CRC encoding on user data, the user data includes at least one of user identity information or data, and the user data does not comprise the CRC bit;

wherein the preamble sequence includes:

a preamble sequence or a preamble sequence set determined according to an encoded codeword of the first bit;

wherein the encoded codeword includes:

a codeword obtained by encoding the first bit; or

segments of a codeword obtained by encoding the first bit; or

codewords respectively obtained by encoding segments of the first bits; or

a concatenation of codewords respectively obtained by encoding the segments of the first bits.

9 . The method according to claim 8 , wherein the first bit is the CRC bit; or the first bit is the CRC bit and a second bit, and the second bit includes at least one of a signature sequence number bit, partial data bits of the user data, a control information bis corresponding to the user data.

10 . The method according to claim 8 , further comprising:

obtaining, by the network device, the user data sent by the terminal, wherein a sending format of the user data is a sending format determined based on the first bit, and the user data is encoded without encoding the CRC bit;

verifying, by the network device, the user data according to the first bit.

11 . The method according to claim 10 , further comprising:

if the verification is passed, sending, by the network device, confirmation information to the terminal, wherein the confirmation information is used to instruct the network device to correctly receive the user data.

12 . The method according to claim 11 , wherein the confirmation information is used to implicitly or explicitly indicate a sequence number of the preamble sequence.

13 . The method according to claim 10 , wherein the obtaining, by the network device, user data sent by the terminal includes:

obtaining, by the network device, the user data sent by the terminal on K resources according to a PDMA mode or an NOMA mode;

wherein, a PDMA sequence of the PDMA mode is determined based on the first bit, and the PDMA sequence includes K elements corresponding to the K resources in a one-to-one manner, and a transmission state of each resource in the K resources is determined by a corresponding element.

14 . The method according to claim 8 , further comprising:

sending, by the network device, configuration information to the terminal, wherein the configuration information is used to configure at least one of the following:

a resource location of the preamble sequence, a sending period of the preamble sequence, a resource location of the user data, or a number of transmission times of the user data.

15 . A terminal, comprising: a memory, a transceiver, and a processor, wherein:

the memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the following operations:

sending a preamble sequence to a network device;

wherein the preamble sequence is determined based on a first bit, and the first bit includes a cyclic redundancy check (CRC) bit obtained by performing CRC encoding on user data, the user data includes at least one of user identity information or data, and the user data does not comprise the CRC bit;

wherein the preamble sequence includes:

a preamble sequence or a preamble sequence set determined according to an encoded codeword of the first bit;

wherein the encoded codeword includes:

a codeword obtained by encoding the first bit; or

segments of a codeword obtained by encoding the first bit; or

codewords respectively obtained by encoding segments of the first bits; or

a concatenation of codewords respectively obtained by encoding the segments of the first bits.

16 . The terminal according to claim 15 , wherein the first bit is the CRC bit; or the first bit is the CRC bit and a second bit, and the second bit includes at least one of a signature sequence number bit, partial data bits of the user data, and a control information bit corresponding to the user data.

17 . A network device, comprising: a memory, a transceiver, and a processor, wherein:

the memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the sequence receiving method according to claim 8 .

18 . The network device according to claim 17 , wherein the first bit is the CRC bit; or the first bit is the CRC bit and a second bit, and the second bit includes at least one of a signature sequence number bit, partial data bits of the user data, a control information bis corresponding to the user data.