CN-122002356-A - Dynamic waveform configuration method, communication device and storage medium
Abstract
The embodiment of the application provides a configuration method, a communication device and a storage medium of dynamic waveforms, which are applied to terminal equipment and used for realizing dynamic switching of waveforms under different scenes, and the method comprises the following steps of sending first information to network equipment; the method comprises the steps of receiving first information, receiving second information, and sending a channel measurement report, wherein the first information is used for indicating waveform types supported by the terminal equipment and/or parameter capabilities of the terminal equipment, sending a channel measurement report to the network equipment, receiving the second information configured by the network equipment according to waveform switching conditions, the first information and the channel measurement report, the second information is used for indicating configuration information of target waveforms, and the target waveforms belong to the waveform types supported by the terminal equipment.
Inventors
- LI CHENGFANG
- PANG GAOKUN
- ZHENG GUOZENG
- CHI LIANGANG
- CAO YONGZHAO
Assignees
- 荣耀终端股份有限公司
Dates
- Publication Date
- 20260508
- Application Date
- 20241101
Claims (20)
- 1. A method for configuring a dynamic waveform, applied to a terminal device, the method comprising: The method comprises the steps of sending first information to network equipment, wherein the first information is used for indicating waveform types supported by the terminal equipment and/or parameter capability of the terminal equipment; transmitting a channel measurement report to the network device; and receiving second information configured by the network equipment according to the waveform switching condition, the first information and the channel measurement report, wherein the second information is used for indicating configuration information of a target waveform, and the target waveform belongs to a waveform type supported by the terminal equipment.
- 2. The method of claim 1, wherein the parameter capabilities of the terminal device comprise at least one of: the maximum number of taps of the delay-doppler domain supported in the delay-doppler domain; The maximum number of taps of the Doppler domain supported in the delay-Doppler domain; the pulse shaping type supported by the terminal equipment; Or, the product of the maximum number of taps of the doppler domain supported in the delay-doppler domain and the maximum number of taps of the delay domain supported in the delay-doppler domain.
- 3. The method according to claim 1 or 2, wherein the waveform types supported by the terminal device include at least one of the following; CP-OFDM waveform, CP-OTFS waveform, ZP-OTFS waveform, RCP-OTFS waveform, RZP-OTFS waveform, DFT-S-OFDM waveform, DFT-S-OTFS waveform.
- 4. A method according to any one of claims 1 to 3, further comprising: And receiving waveform switching condition indicating information sent by the network equipment or acquiring the waveform switching condition of the terminal equipment predefined by a protocol, wherein the waveform switching condition indicating information is used for indicating the waveform switching condition of the terminal equipment.
- 5. The method of claim 4, wherein said sending a channel measurement report to the network device comprises: and when the terminal equipment meets the waveform switching condition, sending a channel measurement report to the network equipment.
- 6. The method according to any of claims 1 to 5, wherein the channel measurement report comprises at least one of: maximum delay spread; maximum doppler shift; The number of multipaths; doppler shift or doppler shift delay for each path; The size of the doppler spread; An index indicating the magnitude of inter-carrier interference; An indicator indicative of the signal quality of the perceived signal.
- 7. The method according to any one of claims 1 to 6, wherein the configuration information of the target waveform includes: the radio access control (RRC) device comprises first waveform configuration information and second waveform configuration information, wherein the first waveform configuration information is configured by RRC signaling or NAS signaling, and the second configuration information is configured by DCI information or MAC-CE indication.
- 8. The method of claim 7, wherein the first waveform configuration information comprises: the method comprises the steps of protecting interval type of waveform type supported by the terminal equipment, protecting interval length, subcarrier interval, pulse forming type supported by the terminal equipment, pulse forming parameters and coding information.
- 9. The method of claim 7 or 8, wherein the second waveform configuration information comprises: The number of taps of the doppler domain supported in the delay-doppler domain and the number of taps of the delay domain supported in the delay-doppler domain.
- 10. The method according to any one of claims 1 to 9, further comprising: and sending a waveform switching request to the network equipment.
- 11. The method according to any one of claims 1 to 10, wherein the waveform switching conditions include: The Doppler frequency shift of the terminal equipment is converted from being greater than or equal to a first Doppler threshold to being less than or equal to a second Doppler threshold, or the Doppler frequency shift of the terminal equipment is converted from being less than or equal to the second Doppler threshold to being greater than or equal to the first Doppler threshold, and the first Doppler threshold is greater than or equal to the second Doppler threshold.
- 12. The method according to any one of claims 1 to 11, wherein the waveform switching conditions include: The signal quality of the terminal equipment is converted from being greater than or equal to a first signal quality threshold to being less than or equal to a second signal quality threshold, or the signal quality of the terminal equipment is converted from being less than or equal to the second signal quality threshold to being greater than or equal to the first signal quality threshold, and the first signal quality threshold is greater than or equal to the second signal quality threshold.
- 13. The method according to any one of claims 1 to 12, wherein the waveform switching conditions include: The power headroom of the terminal equipment accords with any one of the following: the power margin is changed from being positioned in a first interval to being positioned in a second interval or a third interval; the power margin is changed from being positioned in the second interval to being positioned in the first interval or being positioned in the third interval; The power headroom is changed from being located in the third section to being located in the first section or the second section.
- 14. The method according to any one of claims 1 to 13, wherein the waveform switching conditions include: And the sensing precision of the terminal equipment is changed from being larger than a sensing precision threshold to being smaller than or equal to the sensing precision threshold.
- 15. The method of claim 14, wherein the terminal device's perceived accuracy is shifted from greater than a perceived accuracy threshold to less than or equal to the perceived accuracy threshold, comprising: And the distance sensing precision of the terminal equipment is converted from being larger than a distance sensing precision threshold to being smaller than or equal to the distance sensing precision threshold.
- 16. The method of claim 14, wherein the terminal device's perceived accuracy is shifted from greater than a perceived accuracy threshold to less than or equal to the perceived accuracy threshold, comprising: And the speed sensing precision of the terminal equipment is converted from being greater than a speed sensing precision threshold to being less than or equal to the speed sensing precision threshold.
- 17. The method of claim 14, wherein the terminal device's perceived accuracy is shifted from greater than a perceived accuracy threshold to less than or equal to the perceived accuracy threshold, comprising: And the angle sensing precision of the terminal equipment is changed from being larger than an angle sensing precision threshold to being smaller than or equal to the angle sensing precision threshold.
- 18. The method according to any one of claims 1 to 17, wherein the waveform switching conditions include: the terminal device receives a perceived coverage request, or a communication coverage request.
- 19. The method of any one of claims 1 to 18, wherein the second information is further used to indicate that the target waveform is an upstream waveform or a downstream waveform.
- 20. A method for configuring a dynamic waveform, applied to a network device, the method comprising: the method comprises the steps of receiving first information sent by terminal equipment, wherein the first information is used for indicating waveform types supported by the terminal equipment and/or parameter capability of the terminal equipment; receiving a channel measurement report sent by the terminal equipment; Configuring second information according to the waveform switching condition, the first information and the channel measurement report, wherein the second information is used for indicating configuration information of a target waveform, and the target waveform belongs to a waveform type supported by the terminal equipment; and sending second information to the terminal equipment.
Description
Dynamic waveform configuration method, communication device and storage medium Technical Field The present application relates to the field of communications technologies, and in particular, to a method for configuring a dynamic waveform, a communications device, and a storage medium. Background Because different waveforms have different communication capacity and perception capacity, and the requirements of different scenes on the communication capacity and the perception capacity are different, when a certain fixed waveform is adopted by the terminal equipment in different scenes, the situation that the terminal equipment cannot meet the requirements of the scene is caused. However, in the prior art, how to perform waveform switching is not disclosed. Therefore, how to realize dynamic switching of various waveforms becomes a technical problem to be solved at present. Disclosure of Invention The application provides a configuration method of dynamic waveforms, a communication device and a storage medium, and aims to solve the problem of how to realize dynamic switching of multiple waveforms. In order to achieve the above object, the present application provides the following technical solutions: The first aspect of the present application provides a method for configuring a dynamic waveform, specifically, the method includes: The method comprises the steps of sending first information to network equipment, wherein the first information is used for indicating waveform types supported by the terminal equipment and/or parameter capability of the terminal equipment; transmitting a channel measurement report to the network device; and receiving second information configured by the network equipment according to the waveform switching condition, the first information and the channel measurement report, wherein the second information is used for indicating configuration information of a target waveform, and the target waveform belongs to a waveform type supported by the terminal equipment. In the above scheme, the channel measurement report, the waveform type supported by the terminal device and/or the parameter capability of the terminal device are sent to the network device, so that the network device can determine the target waveform according to the waveform switching condition and the received data, and send the configuration information of the target waveform to the terminal device, thereby enabling the terminal device to switch the waveform into the target waveform, and realizing the dynamic switching of the waveform. In some possible implementations, the parameter capability of the terminal device includes at least one of: the maximum number of taps of the delay-doppler domain supported in the delay-doppler domain; The maximum number of taps of the Doppler domain supported in the delay-Doppler domain; the pulse shaping type supported by the terminal equipment; Or, the product of the maximum number of taps of the doppler domain supported in the delay-doppler domain and the maximum number of taps of the delay domain supported in the delay-doppler domain. In the above scheme, the parameter capability of the terminal device is sent to the network device, so that when the network device has the requirement of waveform switching in the terminal device, the configuration information of the target waveform is set based on the parameter capability of the terminal device, the situation that the number of taps of the delay domain supported in the delay-doppler domain in the configuration information is larger than the maximum number of taps of the delay domain supported in the delay-doppler domain and the number of taps of the doppler domain supported in the delay-doppler domain is larger than the maximum number of taps of the doppler domain supported in the delay-doppler domain is avoided. In some possible implementations, the waveform types supported by the terminal device include at least one of the following; CP-OFDM waveform, CP-OTFS waveform, ZP-OTFS waveform, RCP-OTFS waveform, RZP-OTFS waveform, DFT-S-OFDM waveform, DFT-S-OTFS waveform. In some possible implementations, the method further includes: And receiving waveform switching condition indicating information sent by the network equipment or acquiring the waveform switching condition of the terminal equipment predefined by a protocol, wherein the waveform switching condition indicating information is used for indicating the waveform switching condition of the terminal equipment. In the above scheme, the waveform switching condition indication information is sent to the terminal device, or the waveform switching condition is predefined in the protocol, so that the terminal device can acquire the waveform switching condition, and the terminal device can determine whether the waveform switching requirement exists currently. In some possible implementations, the sending the channel measurement report to the network device includes: and when the terminal equi