CN-122028190-A - Uplink access method, device, terminal and storage medium

Abstract

The embodiment of the application provides an uplink access method, an uplink access device, a terminal and a storage medium, which relate to the technical field of communication, and the method comprises the steps of searching at least one pre-configured downlink broadcast channel to determine a first target downlink broadcast channel; determining a first uplink access channel set based on the first target downlink broadcast channel, wherein a preset corresponding relation exists between the downlink broadcast channel and the uplink access channel set; and determining a first target uplink access channel at least based on the uplink access channel set. By applying the technical scheme provided by the embodiment of the application, the terminal can be accurately and efficiently accessed to the access equipment.

Inventors

• GU LINHAI

Assignees

• 重庆星网网络系统研究院有限公司

Dates

Publication Date

20260512

Application Date

20241111

Claims (19)

1. 1. An uplink access method, which is applied to a terminal, comprises the following steps: searching the preconfigured at least one downlink broadcast channel to determine a first target downlink broadcast channel; determining a first uplink access channel set based on the first target downlink broadcast channel, wherein a preset corresponding relation exists between the downlink broadcast channel and the uplink access channel set; and determining a first target uplink access channel at least based on the uplink access channel set.
2. 2. The method of claim 1, wherein searching the preconfigured at least one downlink broadcast channel to determine the first target downlink broadcast channel comprises: And scanning all the frequency points to determine a first target downlink broadcast channel.
3. 3. The method of claim 2, wherein scanning all frequency points to determine the first target downlink broadcast channel comprises: Acquiring signal intensity information of downlink broadcast signals scanned by each frequency point; And determining a first target downlink broadcast channel based on the signal strength information.
4. 4. The method of claim 3, wherein the determining the first target downlink broadcast channel comprises: Determining a candidate target downlink channel set, wherein the candidate target downlink channel set comprises downlink broadcast channels corresponding to frequency points with the signal strength of the scanned downlink broadcast signals not lower than a first threshold value; And determining a first target downlink broadcast channel, wherein the first target downlink channel is the channel with the strongest signal strength of the scanned downlink broadcast signals in the candidate target downlink channel set.
5. 5. The method of claim 1, wherein the determining a first target uplink access channel based at least on the set of uplink access channels comprises: and determining a first target uplink access channel from the uplink access channel set according to a preset random rule.
6. 6. The method according to claim 1, wherein the method further comprises: And determining the modulation parameters of the first target uplink access channel.
7. 7. The method of claim 6, wherein the downlink broadcast signal includes identification information of the access device and the beam; the method further comprises the steps of: and determining the modulation parameters of the first target uplink access channel at least based on the identification information of the access equipment and the wave beam.
8. 8. The method of claim 7, wherein the determining the modulation parameters of the first target uplink access channel based at least on the identification information of the access device and the beam comprises: Determining location information of the terminal based on the identification information of the access device and the beam, wherein the location information comprises whether the terminal is in an overlapping coverage area; and determining the modulation parameters of the first target uplink access channel according to the position information.
9. 9. The method of claim 8, wherein determining the modulation parameter of the first target uplink access channel based on the location information comprises: If the position information indicates that the terminal is in an overlapping coverage area, determining a first downlink broadcast signal based on a signal quality parameter, wherein the first downlink broadcast signal is the signal with the best signal quality in the searched downlink broadcast signals; And determining the modulation parameter adopted by the first downlink broadcast signal as the modulation parameter of the first target uplink access channel.
10. 10. The method of claim 8, wherein determining the modulation parameter of the first target uplink access channel based on the location information comprises: If the position information characterizes that the terminal is not in the overlapping coverage areas of different beams, determining a first grade corresponding to the modulation parameters of the first target downlink broadcast channel; and determining a modulation parameter of the first target uplink access channel at least based on the first grade.
11. 11. The method of claim 10, wherein the determining the modulation parameters of the first target uplink access channel based at least on the first level comprises: And under the condition that the signal strength of the downlink broadcast signal searched by the first target downlink broadcast channel is greater than the second threshold value, determining the modulation parameter of the first target uplink access channel as a second level, wherein the transmission rate corresponding to the second level is higher than the first level.
12. 12. The method of claim 10, wherein the determining the modulation parameters for the first target uplink access channel based at least on the first level further comprises: And under the condition that the signal strength of the downlink broadcast signal searched by the first target downlink broadcast channel is not greater than the second threshold value, determining the modulation parameter of the first target uplink access channel as a third grade, wherein the communication quality corresponding to the third grade is higher than the first grade.
13. 13. The method of claim 6, wherein the method further comprises: and sending uplink data on the first target uplink access channel based on the modulation parameters.
14. 14. The method according to any of claims 6-13, wherein the modulation parameter is a spreading factor.
15. 15. The method according to claim 1, wherein the method further comprises: acquiring system load information of access equipment; and based on the system load information, performing uplink data transmission.
16. 16. The method of claim 15, wherein the system load information is carried in a downlink broadcast signal issued by the access device.
17. 17. An uplink access device, applied to a terminal, comprising: the first determining module is used for searching the preconfigured at least one downlink broadcast channel to determine a first target downlink broadcast channel; the second determining module is used for determining a first uplink access channel set based on the first target downlink broadcast channel, wherein a preset corresponding relation exists between the downlink broadcast channel and the uplink access channel set; And a third determining module, configured to determine a first target uplink access channel based at least on the uplink access channel set.
18. 18. The terminal is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory are communicated with each other through the communication bus; a memory for storing a computer program; A processor for implementing the steps of the method of any one of claims 1-16 when executing a program stored on a memory.
19. 19. A computer readable storage medium, characterized in that the computer readable storage medium has stored therein a computer program which, when executed by a processor, implements the steps of the method of any of claims 1-16.

Description

Uplink access method, device, terminal and storage medium Technical Field The present invention relates to the field of communications technologies, and in particular, to an uplink access method, an uplink access device, a terminal, and a storage medium. Background For desert, offshore and other areas which are difficult to be covered by the ground base station, the user is difficult to carry out ground communication with the outside through the ground base station. In this case, the satellite communication function is particularly important in order to ensure that the staff in these areas can communicate with the outside world. In a satellite communication system, low-orbit satellites transmit beams that cover a ground area to provide satellite communication services to terminals within the covered ground area. The terminal may access the satellite based on the beam transmitted by the satellite to obtain satellite communication services. For this purpose, an uplink access method needs to be provided, so that the terminal can access the access device. Disclosure of Invention The embodiment of the application aims to provide an uplink access method, an uplink access device, a terminal and a storage medium, so that the terminal can be accurately and efficiently accessed to an access device. The specific technical scheme is as follows: In a first aspect of an embodiment of the present application, an uplink access method is provided, applied to a terminal, where the method includes: searching the preconfigured at least one downlink broadcast channel to determine a first target downlink broadcast channel; determining a first uplink access channel set based on the first target downlink broadcast channel, wherein a preset corresponding relation exists between the downlink broadcast channel and the uplink access channel set; and determining a first target uplink access channel at least based on the uplink access channel set. In a possible implementation manner, the searching the preconfigured at least one downlink broadcast channel to determine the first target downlink broadcast channel includes: And scanning all the frequency points to determine a first target downlink broadcast channel. In a possible implementation manner, the scanning all frequency points to determine the first target downlink broadcast channel includes: Acquiring signal intensity information of downlink broadcast signals scanned by each frequency point; And determining a first target downlink broadcast channel based on the signal strength information. In a possible implementation manner, the determining the first target downlink broadcast channel includes: Determining a candidate target downlink channel set, wherein the candidate target downlink channel set comprises downlink broadcast channels corresponding to frequency points with the signal strength of the scanned downlink broadcast signals not lower than a first threshold value; And determining a first target downlink broadcast channel, wherein the first target downlink channel is the channel with the strongest signal strength of the scanned downlink broadcast signals in the candidate target downlink channel set. In a possible implementation manner, the determining, based at least on the set of uplink access channels, a first target uplink access channel includes: and determining a first target uplink access channel from the uplink access channel set according to a preset random rule. In a possible embodiment, the method further comprises: And determining the modulation parameters of the first target uplink access channel. In a possible implementation manner, the downlink broadcast signal includes identification information of the access device and the beam; the method further comprises the steps of: and determining the modulation parameters of the first target uplink access channel at least based on the identification information of the access equipment and the wave beam. In a possible implementation manner, the determining, based at least on the identification information of the access device and the beam, the modulation parameter of the first target uplink access channel includes: Determining location information of the terminal based on the identification information of the access device and the beam, wherein the location information comprises whether the terminal is in an overlapping coverage area; and determining the modulation parameters of the first target uplink access channel according to the position information. In a possible implementation manner, the determining, according to the location information, a modulation parameter of the first target uplink access channel includes: If the position information indicates that the terminal is in an overlapping coverage area, determining a first downlink broadcast signal based on a signal quality parameter, wherein the first downlink broadcast signal is the signal with the best signal quality in the searched downlink broadcast signals;