CN-119997154-B - Communication control method, device, equipment, chip and medium

CN119997154BCN 119997154 BCN119997154 BCN 119997154BCN-119997154-B

Abstract

The disclosure provides a communication control method, a device, equipment, a chip and a medium, wherein the communication control method comprises the steps of determining a first power spectrum according to first time domain data of candidate frequency bands, determining a target frequency point from at least one first candidate frequency point in the candidate frequency bands according to the first power spectrum, determining a target frequency band from at least one candidate frequency band according to the target frequency point, and carrying out parallel network searching according to at least part of second candidate frequency points in the target frequency band. The technical problems of low network searching efficiency and poor network searching effect in the prior art are solved.

Inventors

ZHOU CHENGMAO
LIAO WEI

Assignees

北京玄戒技术有限公司

Dates

Publication Date: 20260508
Application Date: 20250311

Claims (15)

1. A communication control method, characterized by comprising: Determining a first power spectrum according to first time domain data of the candidate frequency band; Determining a target frequency point from at least one first candidate frequency point in the candidate frequency band according to the first power spectrum; Determining a target frequency band from at least one candidate frequency band according to the target frequency point, and Performing parallel network searching according to at least part of second candidate frequency points in the target frequency band; The determining a first power spectrum according to the first time domain data of the candidate frequency band includes: dividing the candidate frequency bands according to the maximum bandwidth supported by the terminal to obtain a plurality of candidate frequency sub-bands; Determining a candidate automatic gain control value of each candidate sub-band, and determining a candidate power spectrum of each segment of time domain sub-data in each candidate sub-band based on each sampling point, wherein the time domain sub-data is obtained by segmenting the first time domain data; Determining a target power spectrum from a plurality of the candidate power spectrums of the sampling points; determining a minimum automatic gain control value in a plurality of candidate automatic gain control values, and determining a candidate sub-band corresponding to the minimum automatic gain control value as a first candidate sub-band; Adjusting the target power spectrum of other candidate sub-frequency bands based on the sampling point according to the target power spectrum of the first candidate sub-frequency band based on the sampling point, and And performing spectrum splicing on the target power spectrum of the first candidate sub-band and the adjusted target power spectrums of the other candidate sub-bands to obtain the first power spectrum.
2. The method of claim 1, wherein the determining, from the first power spectrum, a target frequency point from at least one first candidate frequency point in the candidate frequency band comprises: Determining a first frequency and a first bandwidth; According to the first power spectrum, the first frequency and the first bandwidth, determining the received signal strength corresponding to each first candidate frequency point in the candidate frequency band; And determining the maximum received signal strength from the plurality of received signal strengths, and determining a first candidate frequency point corresponding to the maximum received signal strength as the target frequency point.
3. The method of claim 2, wherein determining the received signal strength corresponding to each first candidate frequency point in the candidate frequency band according to the first power spectrum, the first frequency and the first bandwidth comprises: determining the average received signal strength of each partial frequency band in the candidate frequency bands, wherein the bandwidth of the partial frequency band is equal to the first bandwidth, and the first frequency is spaced between two adjacent partial frequency bands; And determining the average received signal strength of the partial frequency band as the received signal strength corresponding to the first candidate frequency point in the partial frequency band.
4. The method of claim 1, wherein said determining a target frequency band from at least one of said candidate frequency bands based on said target frequency point comprises: Determining the target power of the candidate frequency band according to the partial bandwidth of the target frequency point; and determining the target frequency band from at least one candidate frequency band according to the target power.
5. The method of claim 4, wherein the determining the target power of the candidate frequency band according to the partial bandwidth where the target frequency point is located comprises: determining the received signal strength corresponding to the partial bandwidth according to each preset automatic gain control value; Selecting a maximum received signal strength from a plurality of received signal strengths, and determining a preset automatic gain control value corresponding to the maximum received signal strength; and determining the target power of the candidate frequency band according to the maximum received signal strength and the corresponding preset automatic gain control value.
6. The method of claim 5, wherein determining the target power for the candidate frequency band based on the maximum received signal strength and the corresponding preset automatic gain control value comprises: and carrying out difference on the maximum received signal strength and the corresponding preset automatic gain control value, and determining the difference result as the target power of the candidate frequency band.
7. The method of claim 1, wherein the performing parallel network searching according to at least a portion of the second candidate frequency points in the target frequency band comprises: Sorting a plurality of second candidate frequency points in the target frequency band; grouping the plurality of sequenced second candidate frequency points to obtain a plurality of frequency point groups, wherein the frequency point groups comprise at least one second candidate frequency point; And performing parallel network searching based on at least part of the frequency point groups.
8. The method of claim 7, wherein the ordering the plurality of second candidate bins within the target bin comprises: Determining a second power spectrum according to second time domain data of the target frequency band; Determining a sequencing index corresponding to each second candidate frequency point according to the system type and the second power spectrum; and sorting the plurality of second candidate frequency points according to the sorting index.
9. The method of claim 8, wherein said determining a ranking indicator corresponding to each of said second candidate frequency bins based on system type and said second power spectrum comprises: Determining a target power window corresponding to the second candidate frequency point according to the second power spectrum and determining the target power window as a sequencing index corresponding to the second candidate frequency point under the condition that the system type is a Long Term Evolution (LTE) system; and under the condition that the system type is a new wireless NR system, determining the average received signal strength of each partial frequency band in the target frequency band according to the second power spectrum, and determining the average received signal strength as a sequencing index corresponding to the second candidate frequency point in the partial frequency band, wherein the bandwidth of the partial frequency band is equal to a second bandwidth, a second frequency is spaced between two adjacent partial frequency bands, and the second frequency is determined based on the second bandwidth.
10. The method of claim 9, wherein said determining a target power window corresponding to the second candidate frequency bin from the second power spectrum comprises: Determining the power of the second candidate frequency point based on each sampling point according to the second power spectrum, various system bandwidths and the total number of frequency points in the target frequency band; Determining noise of the second candidate frequency point based on each sampling point according to the second power spectrum, the plurality of system bandwidths, the total number of frequency points, the starting point position and the ending position of the guard band; Determining candidate power windows of the second candidate frequency points corresponding to each system bandwidth according to the power and noise of the second candidate frequency points based on all sampling points; selecting a maximum power window from a plurality of candidate power windows, and determining the maximum power window as the target power window.
11. The method of claim 8, wherein the ordering the plurality of second candidate bins according to the ordering indicator comprises at least one of: adding the second candidate frequency point into a first result set under the condition that a target power window corresponding to the second candidate frequency point is larger than a set threshold value, and sequencing the second candidate frequency point in the first result set again based on the power of the second candidate frequency point in the first result set; Adding the second candidate frequency point into a second result set under the condition that a target power window corresponding to the second candidate frequency point is smaller than or equal to the set threshold value, wherein the sorting order of the first result set is before the sorting order of the second result set; And sorting the plurality of second candidate frequency points according to the average received signal strength of the second candidate frequency points.
12. A communication control apparatus, comprising: The first determining module is used for determining a first power spectrum according to first time domain data of the candidate frequency band; The second determining module is used for determining a target frequency point from at least one first candidate frequency point in the candidate frequency band according to the first power spectrum; The third determining module is used for determining a target frequency band from at least one candidate frequency band according to the target frequency point; The network searching module is used for carrying out parallel network searching according to at least part of the second candidate frequency points in the target frequency band; The first determining module is used for dividing the candidate frequency bands according to the maximum bandwidth supported by the terminal to obtain a plurality of candidate frequency sub-bands; Determining a candidate automatic gain control value of each candidate sub-band, and determining a candidate power spectrum of each segment of time domain sub-data in each candidate sub-band based on each sampling point, wherein the time domain sub-data is obtained by segmenting the first time domain data; Determining a target power spectrum from a plurality of the candidate power spectrums of the sampling points; determining a minimum automatic gain control value in a plurality of candidate automatic gain control values, and determining a candidate sub-band corresponding to the minimum automatic gain control value as a first candidate sub-band; Adjusting the target power spectrum of other candidate sub-frequency bands based on the sampling point according to the target power spectrum of the first candidate sub-frequency band based on the sampling point, and And performing spectrum splicing on the target power spectrum of the first candidate sub-band and the adjusted target power spectrums of the other candidate sub-bands to obtain the first power spectrum.
13. A communication device comprising a processor, and a memory communicatively coupled to the processor; The memory stores computer-executable instructions; the processor executes computer-executable instructions stored in the memory to implement the method of any one of claims 1-11.
14. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to carry out the method of any one of claims 1-11.
15. A chip comprising processing circuitry, interface circuitry, wherein the interface circuitry is to read instructions, the interface circuitry to send the instructions to the processing circuitry to cause the processing circuitry to perform the method of any of claims 1-11.

Description

Communication control method, device, equipment, chip and medium Technical Field The disclosure relates to the field of communication technologies, and in particular, to a communication control method, a device, equipment, a chip and a medium. Background And the sweep frequency technology is used for collecting signal energy in the frequency band of the radio network and confirming which frequency points have signal sources so as to quickly select the frequency points to access the network. In the communication system, when the system is started or no prior frequency point information exists, the spectrum scanning is required to be completed before the cell searching so as to confirm the optimal network searching frequency point, and the purpose of searching the network as soon as possible is achieved. Cell search can be divided into two steps, spectrum scanning and cell detection. With the increasing demand of communication systems for spectrum resources, a great amount of higher frequency band spectrum resources are distributed, the electromagnetic environment is more and more complex, and the efficient and accurate spectrum scanning scheme is very important to network searching efficiency and user experience of the whole communication system. In the related art, the complexity of spectrum scanning is too high and the time is too long, so that the network searching efficiency is low and the network searching effect is poor. Disclosure of Invention The present disclosure aims to solve, at least to some extent, one of the technical problems in the related art. Therefore, the disclosure provides a communication control method, a device, a communication device, a chip and a storage medium, so as to improve network searching efficiency and network searching effect. An embodiment of a first aspect of the present disclosure provides a communication control method, which includes determining a first power spectrum according to first time domain data of a candidate frequency band, determining a target frequency point from at least one first candidate frequency point in the candidate frequency band according to the first power spectrum, determining a target frequency band from at least one candidate frequency band according to the target frequency point, and performing parallel network searching according to at least part of second candidate frequency points in the target frequency band. An embodiment of a second aspect of the present disclosure provides a communication control device, which includes a first determining module configured to determine a first power spectrum according to first time domain data of a candidate frequency band, a second determining module configured to determine a target frequency point from at least one first candidate frequency point in the candidate frequency band according to the first power spectrum, a third determining module configured to determine a target frequency band from at least one candidate frequency band according to the target frequency point, and a network searching module configured to search a network in parallel according to at least part of second candidate frequency points in the target frequency band. An embodiment of a third aspect of the present disclosure provides a communication device, including a processor, and a memory communicatively connected to the processor, where the memory stores computer-executable instructions, and where the processor executes the computer-executable instructions stored in the memory, to implement a communication control method as set forth in an embodiment of the first aspect of the present disclosure. An embodiment of a fourth aspect of the present disclosure provides a chip, where the chip includes a processing circuit and an interface circuit, and the interface circuit is configured to read an instruction, and the interface circuit sends the instruction to the processing circuit, so that the processing circuit executes a communication control method as provided in an embodiment of the first aspect of the present disclosure. An embodiment of the fifth aspect of the present disclosure proposes a computer-readable storage medium in which computer-executable instructions are stored, which when executed by a processor are for implementing a communication control method as described above. According to the communication control method, the device, the communication equipment, the chip and the storage medium, the first power spectrum is determined according to the first time domain data of the candidate frequency bands, the target frequency point is determined from at least one first candidate frequency point in the candidate frequency bands according to the first power spectrum, the target frequency band is determined from at least one candidate frequency band according to the target frequency point, and parallel network searching is performed according to at least part of second candidate frequency points in the target frequency ban