CN-121984534-A - Frequency hopping perception reference signal transmitting and receiving method, communication node and storage medium

Abstract

The application provides a frequency hopping sensing reference signal transmitting and receiving method, a communication node and a storage medium. The frequency hopping sensing reference signal transmitting method comprises the steps of transmitting a plurality of frequency hopping sensing reference signals through a plurality of continuous symbols, wherein the bandwidths of the frequency hopping sensing reference signals are the same, the frequency hopping sensing reference signals respectively correspond to different bandwidths, and the overlapping bandwidth between the different bandwidths is larger than or equal to 0.

Inventors

• MA YIHUA
• HUANG JUN
• XIA SHUQIANG
• JIANG CHUANGXIN
• FENG SHUAI

Assignees

• 中兴通讯股份有限公司

Dates

Publication Date

20260505

Application Date

20250110

Claims (20)

1. 1. A method for transmitting a frequency hopping aware reference signal, comprising: And transmitting a plurality of frequency hopping sensing reference signals through a plurality of continuous symbols, wherein the bandwidths of the frequency hopping sensing reference signals are the same, the frequency hopping sensing reference signals respectively correspond to different bandwidths, and the overlapping bandwidth between the different bandwidths is larger than or equal to 0.
2. 2. The method of claim 1, wherein each of the frequency-hopped perceptual reference signals is the same perceptual signal; or each frequency hopping sensing reference signal is a different phase coefficient multiplied by the same sensing signal.
3. 3. The method of claim 1, wherein the start time of the pulses of each of the frequency-hopped sounding reference signals is the same, and wherein the pulse width of each of the frequency-hopped sounding reference signals is the same.
4. 4. The method of claim 1, wherein the pulse width of each of the frequency hopped sensing reference signals is different.
5. 5. The method as recited in claim 1, further comprising: Determining a frequency hopping pattern for transmitting a plurality of frequency hopping aware reference signals; Wherein the frequency hopping pattern includes at least one of: A reference frequency hopping pattern; Each symbol in the reference hopping pattern is respectively cyclically shifted by a specified number of symbols.
6. 6. The method as recited in claim 1, further comprising: Determining a frequency hopping pattern of each antenna port for transmitting a plurality of frequency hopping sensing reference signals; the antenna ports comprise a first antenna port and at least one second antenna port, the first antenna port corresponds to a reference frequency hopping pattern, each second antenna port corresponds to a frequency hopping pattern obtained by respectively circularly shifting a specified number of symbols in the reference frequency hopping pattern, and frequency hopping patterns corresponding to different second antenna ports are different.
7. 7. The method of claim 1, wherein the plurality of frequency hopping aware reference signals are transmitted periodically; the frequency hopping patterns of the plurality of frequency hopping perception reference signals transmitted in each period are the same.
8. 8. The method of claim 1, wherein the plurality of frequency hopping aware reference signals are transmitted periodically; Transmitting the plurality of frequency hopping sensing reference signals by adopting different frequency hopping patterns in each period; The different hopping patterns include: A reference frequency hopping pattern; Each symbol in the reference hopping pattern is respectively cyclically shifted by a specified number of symbols.
9. 9. The method as recited in claim 1, further comprising: Transmitting configuration information, wherein the configuration information comprises at least one of the following components: number of antenna ports; Sensing the frequency hopping number; The number of symbols involved in frequency hopping; A time domain starting position; A frequency domain starting position; bandwidth of a single frequency hopping perceptual reference signal; The total bandwidth of the plurality of frequency hopping aware reference signals; A period for transmitting the plurality of frequency hopping aware reference signals; the number of repetition of the plurality of frequency hopping sensing reference signals; The size of the overlapping bandwidths.
10. 10. A method for receiving a frequency hopping perceptual reference signal, comprising: receiving a plurality of frequency hopping sensing reference signals through a plurality of continuous symbols, wherein the bandwidths of the frequency hopping sensing reference signals are the same, the frequency hopping sensing reference signals respectively correspond to different bandwidths, and the overlapping bandwidth between the different bandwidths is larger than or equal to 0; Combining the plurality of frequency hopping sensing reference signals to obtain a combined signal; and determining a perception result according to the combined signal.
11. 11. The method of claim 10, wherein each of the frequency-hopped perceptual reference signals is the same perceptual signal; or each frequency hopping sensing reference signal is a different phase coefficient multiplied by the same sensing signal.
12. 12. The method of claim 10 wherein the start time of the pulses of each of the frequency hopped sensing reference signals is the same and the pulse width of each of the frequency hopped sensing reference signals is the same.
13. 13. The method of claim 10, wherein the pulse width of each of the frequency hopped sensing reference signals is different.
14. 14. The method of claim 13, wherein each of the frequency hopping aware reference signals has a different blind zone; combining the plurality of frequency hopping sensing reference signals to obtain a combined signal, including: For each blind zone, coherently combining the frequency hopping sensing reference signals covering the blind zone.
15. 15. The method as recited in claim 10, further comprising: determining a frequency hopping pattern for receiving a plurality of frequency hopping aware reference signals; Wherein the frequency hopping pattern includes at least one of: A reference frequency hopping pattern; Each symbol in the reference hopping pattern is respectively cyclically shifted by a specified number of symbols.
16. 16. The method as recited in claim 10, further comprising: Determining a frequency hopping pattern of each antenna port for receiving a plurality of frequency hopping perception reference signals; the antenna ports comprise a first antenna port and at least one second antenna port, the first antenna port corresponds to a reference frequency hopping pattern, each second antenna port corresponds to a frequency hopping pattern obtained by respectively circularly shifting a specified number of symbols in the reference frequency hopping pattern, and frequency hopping patterns corresponding to different second antenna ports are different.
17. 17. The method of claim 10, wherein the plurality of frequency hopping aware reference signals are received periodically; the frequency hopping patterns of the plurality of frequency hopping perception reference signals received in each period are the same.
18. 18. The method of claim 10, wherein the plurality of frequency hopping aware reference signals are transmitted periodically; receiving the plurality of frequency hopping sensing reference signals by adopting different frequency hopping patterns in each period; The different hopping patterns include: A reference frequency hopping pattern; Each symbol in the reference hopping pattern is respectively cyclically shifted by a specified number of symbols.
19. 19. The method as recited in claim 10, further comprising: receiving configuration information, wherein the configuration information comprises at least one of the following: number of antenna ports; Sensing the frequency hopping number; The number of symbols involved in frequency hopping; A time domain starting position; A frequency domain starting position; bandwidth of a single frequency hopping perceptual reference signal; The total bandwidth of the plurality of frequency hopping aware reference signals; A period for transmitting the plurality of frequency hopping aware reference signals; the number of repetition of the plurality of frequency hopping sensing reference signals; The size of the overlapping bandwidths.
20. 20. A communication node comprising a memory, and one or more processors; The memory is configured to store one or more programs; The one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method of frequency-hopping aware reference signal transmission of any of claims 1-9 or the method of frequency-hopping aware reference signal reception of any of claims 10-19.

Description

Frequency hopping perception reference signal transmitting and receiving method, communication node and storage medium Technical Field The present application relates to the field of wireless communications technologies, and for example, to a method for transmitting and receiving a frequency hopping sensing reference signal, a communication node, and a storage medium. Background With the continued development of communication technology, communication networks will be able to further support perceived functionality. In sensing, to accumulate energy, multiple symbols are often transmitted to achieve a signal-to-noise ratio of the received signal for energy accumulation, i.e., transmitting repeated sensing reference signals at multiple successive symbol positions. However, sending repeated perceptual reference signals requires consuming more time-frequency resources, the perceptual overhead is large, and these resources cannot be multiplexed to other users. How to improve the resource utilization rate of the transmitted sensing reference signal is called as a problem to be solved. Disclosure of Invention The application provides a frequency hopping sensing reference signal transmitting and receiving method, a communication node and a storage medium. The embodiment of the application provides a frequency hopping sensing reference signal sending method, which comprises the following steps: And transmitting a plurality of frequency hopping sensing reference signals through a plurality of continuous symbols, wherein the bandwidths of the frequency hopping sensing reference signals are the same, the frequency hopping sensing reference signals respectively correspond to different bandwidths, and the overlapping bandwidth between the different bandwidths is larger than or equal to 0. The embodiment of the application also provides a frequency hopping perception reference signal receiving method, which comprises the following steps: receiving a plurality of frequency hopping sensing reference signals through a plurality of continuous symbols, wherein the bandwidths of the frequency hopping sensing reference signals are the same, the frequency hopping sensing reference signals respectively correspond to different bandwidths, and the overlapping bandwidth between the different bandwidths is larger than or equal to 0; Combining the plurality of frequency hopping sensing reference signals to obtain a combined signal; and determining a perception result according to the combined signal. The embodiment of the application also provides a communication node which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the frequency hopping perception reference signal sending method or the frequency hopping perception reference signal receiving method when executing the program. The embodiment of the application also provides a computer readable storage medium, and a computer program is stored on the computer readable storage medium, and when the program is executed by a processor, the method for transmitting the frequency hopping sensing reference signal or the method for receiving the frequency hopping sensing reference signal is realized. Drawings Fig. 1 is a flowchart of a method for transmitting a frequency hopping aware reference signal according to an embodiment; fig. 2 is a schematic diagram of transmitting a plurality of frequency hopping aware reference signals according to an embodiment; fig. 3 is a flowchart of a method for receiving a frequency hopping aware reference signal according to an embodiment; FIG. 4 is a schematic diagram of a pulse signal according to an embodiment; FIG. 5 is a schematic diagram of another pulse signal according to an embodiment; fig. 6 is a schematic diagram of determining a frequency hopping pattern used by a communication node according to an embodiment; FIG. 7 is a schematic diagram of another embodiment of determining a frequency hopping pattern to use by a communication node; fig. 8 is a schematic diagram of a periodic transmission hopping pattern according to an embodiment; fig. 9 is a schematic diagram of another periodic transmission hopping pattern according to an embodiment; Fig. 10 is a schematic structural diagram of a frequency hopping aware reference signal transmitting device according to an embodiment; Fig. 11 is a schematic structural diagram of another frequency hopping aware reference signal receiving device according to an embodiment; fig. 12 is a schematic hardware structure of a communication node according to an embodiment. Detailed Description The application is described below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting thereof. It should be noted that, without conflict, the embodiments of the present application and features of the embo