Method for symbol application, communication apparatus, and storage medium
A method for symbol application, a communication apparatus, and a storage medium are provided. The method includes: determining a length of a header of a symbol, a length of a data portion of the symbol, and/or a length of a tail of the symbol.
1. A method for symbol application, performed by a terminal device, the method comprising:
receiving a signaling from an access network device; and
determining, according to the signaling received, any of:
a length of a header of a symbol and a length of a data portion of the symbol; or
the length of the data portion of the symbol and a length of a tail of the symbol; or
the length of the header of the symbol and the length of the tail of the symbol,
a waveform of the symbol being a variant of a discrete Fourier transform spreading orthogonal frequency division multiplexing (DFT-S-OFDM) waveform.
2. The method of claim 1 , wherein the symbol has a unique word (UW) DFT-S-OFDM waveform or a zero tail (ZT) DFT-S-OFDM waveform.
3. The method of claim 1 , wherein the determining comprises:
determining the length of the header of the symbol, the length of the data portion of the symbol, and/or the length of the tail of the symbol according to a type of the symbol indicated in the signaling.
4. The method of claim 1 , wherein the determining comprises:
determining the length of the header of the symbol, the length of the data portion of the symbol, and/or the length of the tail of the symbol according to a predefined length set, wherein one element in the predefined length set indicates the length of the header of the symbol, the length of the data portion of the symbol, and/or the length of the tail of the symbol.
5. The method of claim 4 , wherein the predefined length set is a predefined length table, and one row or one column in the predefined length table indicates the length of the header of the symbol, the length of the data portion of the symbol, and/or the length of the tail of the symbol.
6. The method of claim 4 , wherein the predefined length set is configured by a radio resource control (RRC) signaling.
7. The method of claim 1 , wherein the signaling is contained in an RRC signaling.
8. The method of claim 1 , wherein the signaling is contained in a medium access control (MAC) signaling, a MAC packet data unit (PDU), or a MAC control element (CE).
9. The method of claim 1 , wherein the signaling is contained in a physical downlink control channel (PDCCH), downlink control information (DCI), or a slot format indicator (SFI).
10. The method of claim 1 , wherein
the determining comprises: determining a manner of obtaining the length of the header of the symbol, the length of the data portion of the symbol, and/or the length of the tail of the symbol according to a type of the symbol indicated in the signaling, and
lengths of symbols of different types are determined in different manners.
11. The method of claim 10 , wherein the length of the header of the symbol of a first type, the length of the data portion of the symbol of the first type, and/or the length of the tail of the symbol of the first type are predefined.
12. The method of claim 10 , wherein the length of the header of the symbol of a second type, the length of the data portion of the symbol of the second type, and/or the length of the tail of the symbol of the second type are obtained from an RRC signaling.
13. The method of claim 10 , wherein the length of the header of the symbol of a third type, the length of the data portion of the symbol of the third type, and/or the length of the tail of the symbol of the third type are obtained from a MAC signaling, a MAC PDU, or a MAC CE.
14. The method of claim 10 , wherein the length of the header of the symbol of a fourth type, the length of the data portion of the symbol of the fourth type, and/or the length of the tail of the symbol of the fourth type are obtained from a PDCCH, a DCI, or an SFI.
15. A communication apparatus, comprising:
a processor;
a memory; and
a user interface, wherein the processor, the memory, and the user interface are coupled with one another, the memory is configured to store computer programs, the computer programs comprise program instructions, and the processor is configured to execute the program instructions to:
receive, through the user interface, a signaling from an access network device; and
determine, according to the signaling received, any of:
a length of a header of a symbol and a length of a data portion of the symbol; or
the length of the data portion of the symbol and a length of a tail of the symbol; or
the length of the header of the symbol and the length of the tail of the symbol,
a waveform of the symbol being a variant of a discrete Fourier transform spreading orthogonal frequency division multiplexing (DFT-S-OFDM) waveform.
16. The communication apparatus of claim 15 , wherein the symbol has a unique word (UW) DFT-S-OFDM waveform or a zero tail (ZT) DFT-S-OFDM waveform.
17. The communication apparatus of claim 15 , wherein the processor is configured to execute the program instructions to:
determine the length of the header of the symbol, the length of the data portion of the symbol, and/or the length of the tail of the symbol according to a predefined length set, wherein one element in the predefined length set indicates the length of the header of the symbol, the length of the data portion of the symbol, and/or the length of the tail of the symbol.
18. The communication apparatus of claim 15 , wherein
the processor is configured to execute the program instructions to: determine a manner of obtaining the length of the header of the symbol, the length of the data portion of the symbol, and/or the length of the tail of the symbol according to a type of the symbol indicated in the signaling, and
lengths of symbols of different types are determined in different manners.
19. The communication apparatus of claim 15 , wherein the processor is configured to execute the program instructions to:
determine the length of the header of the symbol, the length of the data portion of the symbol, and/or the length of the tail of the symbol according to a type of the symbol indicated in the signaling.
20. A non-transitory computer-readable storage medium storing one or more instructions, the one or more instructions being configured to be loaded and executed by a processor to:
receive a signaling from an access network device; and
determine, according to the signaling received, any of:
a length of a header of a symbol and a length of a data portion of the symbol; or
the length of the data portion of the symbol and a length of a tail of the symbol; or
the length of the header of the symbol and the length of the tail of the symbol,
a waveform of the symbol being a variant of a discrete Fourier transform spreading orthogonal frequency division multiplexing (DFT-S-OFDM) waveform.