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Adaptive beam width determination method and system, base station and medium

A technology of adaptive beam and determination method, applied in radio wave measurement system, diversity/multi-antenna system, reflection/re-radiation of radio wave, etc., can solve the problem of reduced communication rate, undetectable by radar, unable to establish wireless communication link road and other problems, to achieve the effect of high-precision beam tracking and good communication effect

Active Publication Date: 2022-07-22
四川太赫兹通信有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, when using radar-assisted beam alignment in the prior art, in the scenario where the user equipment moves at high speed, the communication rate decreases, the radar cannot detect the user equipment, and even the wireless communication link cannot be established.

Method used

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  • Adaptive beam width determination method and system, base station and medium
  • Adaptive beam width determination method and system, base station and medium
  • Adaptive beam width determination method and system, base station and medium

Examples

Experimental program
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Effect test

Embodiment 1

[0034] Please refer to figure 1 , figure 1 This is a schematic flowchart of a method for determining an adaptive beam width provided in Embodiment 1 of the present application. In this embodiment, the beam transmitted by the base station may be a beam in the terahertz frequency band, and the adaptive beam width determination method may include the following steps:

[0035] Step S110: According to the beam alignment probability of the i-th time slot , obtain the detection probability of the i-th time slot and the communication rate of the ith slot , where the beam alignment probability of the ith slot is Yes and The function, is the beam width of the ith slot, is the beam width of the i-1th time slot, the detection probability is the probability that the radar at the base station successfully detects the user equipment, and the communication rate is the rate at which the base station communicates with the user equipment.

[0036] In the embodiments of the prese...

Embodiment 2

[0101] Please refer to Image 6 , Image 6 This is a structural block diagram of a base station 600 provided in Embodiment 2 of the present application. The base station 600 in the present application may include one or more of the following components: a radar transmitter or a communication radar dual function transmitter 610; a radar receiver 620; a processor 630; a memory 640; The one or more application programs are stored in the memory 640 and configured to be executed by the processor 630, and the one or more programs are configured to perform the method of Embodiment 1.

[0102] When base station 600 includes radar transmitter 610, radar transmitter 610 refers to a radio that provides a high-power radio frequency signal to the radar.

[0103] When base station 600 includes communication radar dual function transmitter 610, communication radar dual function transmitter 610 refers to a radio that provides both radar and communication functions on a single hardware platf...

Embodiment 3

[0108] Please refer to Figure 7 , Figure 7 This is a structural block diagram of an adaptive beam width determination system 700 provided in Embodiment 3 of the present application. The adaptive beam width determination system 700 in this application may include: a user equipment 710 and the base station 600 in Embodiment 2.

[0109] The user equipment 710 is configured to receive the beam transmitted by the base station 600 and communicate through the beam transmitted by the base station 600 .

[0110] The base station 600 is configured to transmit beams through the radar transmitter or the communication radar dual-function transmitter 610 , identify the echoes reflected by the user equipment 710 through the radar receiver 620 , and communicate with the user equipment 710 to communicate.

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Abstract

The invention relates to the field of wireless communication, and provides an adaptive beam width determination method and system, a base station and a medium. The method comprises the following steps: acquiring the detection probability of the ith time slot and the communication rate of the ith time slot according to the beam alignment probability of the ith time slot; and in a beam width range when the detection probability of the ith time slot is greater than or equal to a preset detection threshold value, taking the beam width when the communication rate of the ith time slot is maximum as the beam width of the ith time slot, or in the beam width range when the communication rate of the ith time slot is greater than or equal to a preset communication threshold value, taking the beam width when the communication rate of the ith time slot is maximum as the beam width of the ith time slot. And taking the beam width when the detection probability of the ith time slot is maximum as the beam width of the ith time slot. By means of the method, the problems that in the prior art, when radar is used for assisting beam alignment, the communication rate is reduced, a radar cannot detect the user equipment, even a wireless communication link cannot be established and the like in a high-speed moving scene of the user equipment can be effectively solved.

Description

technical field [0001] The present application relates to the field of wireless communication, and more particularly, to an adaptive beamwidth determination method, system, base station and medium. Background technique [0002] With the development of wireless communication technology, terahertz frequency band communication has become an important and potential technology. Due to the short wavelengths of terahertz, a large number of antennas can be integrated into smaller devices, reducing the cost of the device. Moreover, the use of terahertz signals can greatly improve the data transmission rate and the resolution of radar sensing. [0003] On the basis of traditional beam alignment through beam training, the existing technology also uses radar-assisted beam alignment, and uses radar to identify the echoes reflected by the user equipment to detect the user's position, so as to perform beam alignment with the user equipment, which can effectively Shorten communication tim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/06H04B7/08H04W16/28G01S13/06
CPCH04B7/0617H04B7/086H04W16/28G01S13/06
Inventor 陈智李玲香谢莎
Owner 四川太赫兹通信有限公司
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