CN-122003841-A - Information transmission method, device, equipment and storage medium

Abstract

An information transmission method, an information transmission device, an information transmission equipment and a storage medium relate to the technical field of communication. The method is performed by a terminal device and comprises receiving a first signal, the first signal being OOK modulated by superimposing OFDM sequences, the first signal being transmitted over at least one first time domain unit, each first time domain unit being associated with an OFDM sequence (510). The design mode of the first signal is provided, when the first signal is transmitted based on OOK modulation, OFDM sequences are overlapped on the first time domain unit, so that receivers with different capacities can receive the first signal in different modes, the accuracy of signal receiving of terminal equipment is guaranteed, and the stability of a communication system is improved.

Inventors

• CUI SHENGJIANG

Assignees

• OPPO广东移动通信有限公司

Dates

Publication Date

20260508

Application Date

20240208

Claims (20)

1. An information transmission method, wherein the method is performed by a terminal device, the method comprising: And receiving a first signal, wherein the first signal carries out on-off keying OOK modulation by overlapping Orthogonal Frequency Division Multiplexing (OFDM) sequences, the first signal is transmitted on at least one first time domain unit, and each first time domain unit is associated with one OFDM sequence.
2. The method of claim 1, wherein the first time domain unit is a time domain unit corresponding to OOK symbols.
3. The method of claim 2, wherein the step of determining the position of the substrate comprises, The OOK symbol being modulated by bit 1, or The OOK symbols are modulated by bit 0.
4. A method according to claim 2 or 3, characterized in that the OOK modulation is performed by superimposing the same OFDM sequence on the at least one first time domain unit, respectively.
5. The method according to any of claims 2 to 4, wherein the OFDM sequence is associated with information carried by the OOK symbols.
6. The method of claim 2, wherein each of the first time domain units in a first set of time domain units, the first set of time domain units comprising at least one of the first time domain units, are each superimposed with the same OFDM sequence for the OOK modulation.
7. The method of claim 6, wherein the first set of time domain units comprises time domain units corresponding to OFDM symbols.
8. The method according to claim 6 or 7, wherein the OFDM sequence is associated with first information transmitted within the first set of time domain units.
9. The method of claim 8, wherein the first information is one of the following information transmitted within the first set of time domain units: an original information bit sequence; a pre-coding bit sequence; A coded bit sequence; In multi-level coding, a bit sequence before first-level coding; In multi-stage coding, a bit sequence after first-stage coding; In multi-stage coding, the last stage codes the pre-bit sequence; in multi-level coding, the last level of coded bit sequence.
10. The method according to any of claims 6 to 9, wherein the superimposed OFDM sequences are independent of each other from the first time domain units within the first set of time domain units.
11. The method according to any one of claims 6 to 10, wherein, The number of OFDM sequences is determined based on the number of first time domain units included in a first set of time domain units, or The number of OFDM sequences is determined based on the number of bits transmitted within the first set of time domain units.
12. The method of claim 11, wherein the number of bits transmitted in the first set of time domain units is the number of bits of one of the following information: an original information bit sequence; a pre-coding bit sequence; A coded bit sequence; In multi-level coding, a bit sequence before first-level coding; In multi-stage coding, a bit sequence after first-stage coding; In multi-stage coding, the last stage codes the pre-bit sequence; in multi-level coding, the last level of coded bit sequence.
13. The method according to claim 11 or 12, wherein the OFDM sequence has a one-to-one mapping relationship with information transmitted on the first set of time domain units.
14. The method of claim 2, wherein each of the first time domain units in a second set of time domain units is separately overlapped with the same OFDM sequence to perform the OOK modulation, the second set of time domain units includes P first time domain units, or the second set of time domain units includes P first time domain unit sets, the first set of time domain units includes at least one first time domain unit, and P is a positive integer.
15. The method of claim 14, wherein the OFDM sequence is associated with second information transmitted within the second set of time domain units.
16. The method of claim 15, wherein the second information is one of the following information transmitted within the second set of time domain units: an original information bit sequence; a pre-coding bit sequence; A coded bit sequence; In multi-level coding, a bit sequence before first-level coding; In multi-stage coding, a bit sequence after first-stage coding; In multi-stage coding, the last stage codes the pre-bit sequence; in multi-level coding, the last level of coded bit sequence.
17. The method according to one of claims 14 to 16, wherein the superimposed OFDM sequences are independent of each other from the first time domain unit within the second set of time domain units.
18. The method according to any one of claims 14 to 17, wherein, The value of P is predefined, or The value of P is configured by network equipment, or The value of P is determined based on the number of bits before encoding of the first signal, or The value of P is determined based on the number of encoded bits of the first signal.
19. The method according to any one of claims 14 to 18, wherein, The number of OFDM sequences is determined based on the number of the first time domain units included in the second set of time domain units, or The number of OFDM sequences is determined based on the number of bits transmitted within the second set of time domain units.
20. The method of claim 19, wherein the number of bits transmitted in the second set of time domain units is the number of bits of one of the following information: an original information bit sequence; a pre-coding bit sequence; A coded bit sequence; In multi-level coding, a bit sequence before first-level coding; In multi-stage coding, a bit sequence after first-stage coding; In multi-stage coding, the last stage codes the pre-bit sequence; in multi-level coding, the last level of coded bit sequence.

Description

Information transmission method, device, equipment and storage medium Technical Field The embodiment of the application relates to the technical field of communication, in particular to an information transmission method, an information transmission device, information transmission equipment and a storage medium. Background In order to match the receiving designs of different LRs (Low Power Receiver, low-Power-consumption receivers), the LP-WUS (Low Power-Wake-Up Signal) Signal may adopt an OOK (On-Off Keying) -1 or OOK-4 modulation mode, and an OFDM (Orthogonal Frequency Division Multiplexing ) sequence is superimposed to perform LP-WUS Signal transmission, but at present, how to perform the superposition of the OFDM sequence needs further discussion and study. Disclosure of Invention The embodiment of the application provides an information transmission method, an information transmission device, information transmission equipment and a storage medium. The technical scheme is as follows: According to an aspect of an embodiment of the present application, there is provided an information transmission method, which is performed by a terminal device, the method including: A first signal is received, the first signal being OOK modulated by superimposing OFDM sequences, the first signal being transmitted over at least one first time domain unit, each first time domain unit being associated with one OFDM sequence. According to an aspect of an embodiment of the present application, there is provided an information transmission method, the method being performed by a network device, the method including: And transmitting a first signal, wherein the first signal is subjected to OOK modulation through overlapping OFDM sequences, the first signal is transmitted on at least one first time domain unit, and each first time domain unit is associated with one OFDM sequence. According to an aspect of an embodiment of the present application, there is provided an information transmission apparatus including: And the receiving module is used for receiving a first signal, the first signal is subjected to OOK modulation through overlapping OFDM sequences, the first signal is transmitted on at least one first time domain unit, and each first time domain unit is associated with one OFDM sequence. According to an aspect of an embodiment of the present application, there is provided an information transmission apparatus including: And the transmitting module is used for transmitting a first signal, the first signal is subjected to OOK modulation through overlapping OFDM sequences, the first signal is transmitted on at least one first time domain unit, and each first time domain unit is associated with one OFDM sequence. According to an aspect of an embodiment of the present application, there is provided a communication apparatus including a processor and a memory, the memory storing a computer program, the processor executing the computer program to implement the above-described information transmission method. The communication device is a terminal device or the communication device is a network device. According to an aspect of an embodiment of the present application, there is provided a computer-readable storage medium having stored therein a computer program for execution by a processor to implement the above-described information transmission method. According to an aspect of an embodiment of the present application, there is provided a chip including programmable logic circuits and/or program instructions for implementing the above-described information transmission method when the chip is running. According to an aspect of an embodiment of the present application, there is provided a computer program product including computer instructions stored in a computer-readable storage medium, from which a processor reads and executes the computer instructions to implement the above-described information transmission method. The technical scheme provided by the embodiment of the application can have the following beneficial effects: The design mode of the first signal is provided, when the first signal is transmitted based on OOK modulation, OFDM sequences are overlapped on the first time domain unit, so that receivers with different capacities can receive the first signal in different modes, the accuracy of signal receiving of terminal equipment is guaranteed, and the stability of a communication system is improved. Drawings FIG. 1 is a schematic diagram of a network architecture provided by one embodiment of the present application; FIG. 2 is a schematic illustration of PEI-O location determination provided by one embodiment of the present application; FIG. 3 is a schematic diagram of an OOK-1 modulation method according to an embodiment of the present application; FIG. 4 is a schematic diagram of an OOK-4 modulation method according to an embodiment of the present application; FIG. 5 is a flow chart of a method for information