CN-122002548-A - Frame structure allocation method, device, equipment and storage medium

CN122002548ACN 122002548 ACN122002548 ACN 122002548ACN-122002548-A

Abstract

The application provides a frame structure distribution method, a device, equipment and a storage medium, wherein the method comprises the steps of obtaining M wave bit groups, wherein different wave bit groups correspond to different frame structure sets, the frame structure sets are related to maximum signal time delay of the corresponding wave bit groups, M is a positive integer greater than or equal to 1, the frame structure sets corresponding to the wave bit groups are sent to a terminal, different frame structures are configured for different wave bits, a protection interval is fully utilized, and resource utilization rates of a satellite side and a terminal side are effectively improved.

Inventors

JIAO LINGXIAO
LIU XIANLING
YAN HONG
TONG JIANFEI
XU XIAOFAN
HAO XUEKUN

Assignees

上海卫星互联网研究院有限公司

Dates

Publication Date: 20260508
Application Date: 20241106

Claims (13)

1. A frame structure allocation method, applied to a satellite base station, comprising: obtaining M wave bit groups, wherein different wave bit groups correspond to different frame structure sets, and the frame structure sets are related to the maximum signal time delay of the corresponding wave bit groups, and M is a positive integer greater than or equal to 1; And transmitting the frame structure set corresponding to the wave bit group to the terminal.
2. The method of claim 1, wherein the set of frame structures corresponding to an mth wave-bit group of the M wave-bit groups comprises N m types of frame structures, wherein the N m types of frame structures and N m are related to a maximum signal delay corresponding to the mth wave-bit group, wherein the N m is a positive integer greater than or equal to 1, and wherein the M is less than or equal to the M.
3. The method according to claim 2, wherein N m types of frame structures include an nth type frame structure, and N is less than or equal to N m ; The guard interval GP of the nth frame structure is T GP (m) and is related to the maximum signal delay corresponding to the mth wave-bit group, the downlink time is related to the maximum signal round trip delay corresponding to the mth wave-bit group, T GP (m) and n, and the uplink time is related to the maximum signal round trip delay corresponding to the mth wave-bit group, the downlink time and T GP (m).
4. The method of claim 1, wherein M of the M wave bit groups is related to a maximum and a minimum of signal delays in a plurality of wave bits within a coverage area of a satellite base station.
5. The method of claim 4, wherein the value of M is obtained by: Normalizing the maximum value and the minimum value of signal delay in a plurality of wave positions in the coverage area of the satellite base station according to a preset time unit; and determining the value of M according to the maximum value and the minimum value after normalization processing and a preset time interval.
6. The method of claim 5, wherein the obtaining M wave bit groups comprises: And determining M signal delay ranges based on the maximum value and the minimum value, and dividing the plurality of wave bits into M groups according to the signal delay range of the signal delay of each wave bit in the plurality of wave bits to obtain M wave bit groups.
7. A frame structure allocation method, applied to a terminal, comprising: Receiving a frame structure set corresponding to a wave bit group, and selecting a corresponding frame structure from the frame structure set; and carrying out data transmission based on the selected corresponding frame structure.
8. The method of claim 7, wherein the transmitting data based on the selected corresponding frame structure comprises: and determining a target frame structure according to the initial frame structure and the selected corresponding frame structure, and carrying out data transmission according to the target frame structure.
9. The method of claim 8, wherein the initial frame structure comprises an uplink minimum time, a downlink minimum time, and a flexible duration, wherein the uplink minimum time and the downlink minimum time are related to signaling and traffic requirements, and wherein the flexible duration is determined based on a duration of one frame, the uplink minimum time, and the downlink minimum time.
10. A frame structure allocation apparatus, applied to a satellite base station, comprising: The system comprises a wave bit group acquisition module, a frame structure acquisition module and a signal transmission module, wherein the wave bit group acquisition module is used for acquiring M wave bit groups, wherein different wave bit groups correspond to different frame structure sets, and the frame structure sets are related to the maximum signal time delay of the corresponding wave bit groups; and the frame structure set sending module is used for sending the frame structure set corresponding to the wave bit group to the terminal.
11. A frame structure allocation apparatus, applied to a terminal, comprising: the frame structure set receiving module is used for receiving a frame structure set corresponding to the wave bit group and selecting a corresponding frame structure from the frame structure set; and the data transmission module is used for carrying out data transmission based on the selected corresponding frame structure.
12. A frame structure allocation apparatus, the apparatus comprising: And a memory communicatively coupled to the at least one processor, wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-6 or 7-9.
13. A computer storage medium, characterized in that the computer storage medium stores a computer program for causing a computer to perform the method according to any one of claims 1-6 or claims 7-9.

Description

Frame structure allocation method, device, equipment and storage medium Technical Field The present application relates to the field of satellite communications, and in particular, to a method, apparatus, device, and storage medium for allocating a frame structure. Background In the same band, uplink signals of a plurality of user terminals need to arrive at a satellite base station at the same time to meet that an OFDMA system (Orthogonal Frequency Division Multiple Access ) can correctly decode and process the uplink signals, and also is used to prevent interference from occurring in uplink and downlink communications by relatively nearer user equipment, so a guard interval needs to be set between uplink and downlink transmissions to prevent interference from occurring between such user terminals, and a specific frame structure is shown in fig. 1. The guard interval of all wave positions in the coverage area of the existing satellite base station is the same and is set according to the signal time delay of the wave position farthest from the satellite, the satellite base station can not carry out any uplink or downlink data transmission during the guard interval, and for the wave position nearer to the satellite base station, the guard interval still needs to be set according to the signal time delay of the wave position farthest, so that the satellite can not carry out uplink or downlink transmission in the guard interval time, and resource waste is caused. Disclosure of Invention The application provides a frame structure distribution method, a device, equipment and a storage medium, which can configure different frame structures according to different wave positions, fully utilize a protection interval and effectively improve the resource utilization rate. In a first aspect, the present application provides a frame structure allocation method, applied to a satellite base station, including: obtaining M wave bit groups, wherein different wave bit groups correspond to different frame structure sets, and the frame structure sets are related to the maximum signal time delay of the corresponding wave bit groups, and M is a positive integer greater than or equal to 1; And transmitting the frame structure set corresponding to the wave bit group to the terminal. In one or more possible embodiments, the frame structure set corresponding to the mth wave bit group in the M wave bit groups includes N m types of frame structures, where N m types of frame structures and N m are related to the maximum signal delay corresponding to the mth wave bit group, where N m is a positive integer greater than or equal to 1, and M is less than or equal to M. In one or more possible embodiments, the N m types of frame structures include an nth type frame structure, where N is less than or equal to the N m; The guard interval GP of the nth frame structure is T GP (m) and is related to the maximum signal delay corresponding to the mth wave-bit group, the downlink time is related to the maximum signal round trip delay corresponding to the mth wave-bit group, T GP (m) and n, and the uplink time is related to the maximum signal round trip delay corresponding to the mth wave-bit group, the downlink time and T GP (m). In one or more possible embodiments, M of the M wave bit groups is related to a maximum value and a minimum value of signal delays in a plurality of wave bits within a coverage area of the satellite base station. In one or more possible embodiments, the value of M is obtained in the following way: Normalizing the maximum value and the minimum value of signal delay in a plurality of wave positions in the coverage area of the satellite base station according to a preset time unit; and determining the value of M according to the maximum value and the minimum value after normalization processing and a preset time interval. In one or more possible embodiments, the acquiring M wave bit groups includes: And determining M signal delay ranges based on the maximum value and the minimum value, and dividing the plurality of wave bits into M groups according to the signal delay range of the signal delay of each wave bit in the plurality of wave bits to obtain M wave bit groups. In a second aspect, the present application provides a frame structure allocation method, applied to a terminal, including: Receiving a frame structure set corresponding to a wave bit group, and selecting a corresponding frame structure from the frame structure set; and carrying out data transmission based on the selected corresponding frame structure. In one or more possible embodiments, the data transmission based on the selected corresponding frame structure includes: and determining a target frame structure according to the initial frame structure and the selected corresponding frame structure, and carrying out data transmission according to the target frame structure. In one or more possible embodiments, the initial frame structure includes an uplink shorte