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An integrated radar perception and wireless communication method with edge computing assistance

An edge computing and wireless communication technology, applied in the field of integrated radar perception and wireless communication

Active Publication Date: 2022-07-01
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And a large amount of radar data and advanced processing algorithms will become a heavy computational burden for UTs

Method used

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  • An integrated radar perception and wireless communication method with edge computing assistance
  • An integrated radar perception and wireless communication method with edge computing assistance
  • An integrated radar perception and wireless communication method with edge computing assistance

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Experimental program
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Embodiment 1

[0074] see Figure 1-Figure 3 , this embodiment provides an integrated radar perception and wireless communication method with edge computing assistance, which specifically includes:

[0075] Step S1, build a communication, radar perception and mobile edge computing integrated architecture, the CRMEC integrated architecture is as follows: figure 1 As shown, the network consists of UT and base station (BS), each UT adopts DFRC technology to realize wireless communication and radar detection functions, and the edge computing server deployed in the base station is used to process computing tasks offloaded by UT, such as radar signal processing. The proposed DFRC transmitter system diagram is shown in figure 2 shown, where the transmitted signal is the weighted sum of the communication symbols and the radar waveform.

[0076] Step S2, firstly construct the wireless transmission model between the user terminal and the base station, the radar sensing transmit and receive beam mo...

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Abstract

The invention discloses an integrated radar perception and wireless communication method with edge computing assistance. Design the transmission model of the direction diagram, as well as the related energy consumption and processing data volume model in edge computing; carry out joint optimization of multiple targets, and obtain the multi-input and multi-output precoding design of computing offload and the transmission of radar perception and edge computing resource allocation Precoding matrix; based on delay constraints, local computing resource allocation is obtained. The invention utilizes a large-scale multiple-input multiple-output array and dual-function radar communication technology to simultaneously perform radar sensing and calculation offloading on the same frequency spectrum to meet the requirements of radar signal processing in future communication networks.

Description

technical field [0001] The invention relates to the technical field of dual-function radar communication, in particular to an integrated radar perception and wireless communication method with edge computing assistance. Background technique [0002] In the past ten years, more and more devices have gradually become capable of sensing. Traditional sensing methods include cameras, infrared sensors, and ultrasonic sensors. Compared with these sensing technologies, radio-based sensing methods are more widely used and have more robust performance in harsh environments, while radio is also essential for sensing-enabled devices to realize control message exchange and data communication. As the number of IoT devices supporting radar sensing increases dramatically, spectrum congestion will become a serious problem. Therefore, the fusion system of radar perception and radio communication in the shared frequency band has attracted the interest of both academia and industry. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/06H04B7/0456H04B7/08H04B7/0426G01S7/41G01S7/36H04L67/10
CPCH04B7/0617H04B7/0456H04B7/086H04B7/0426G01S7/41G01S7/36H04L67/10Y02D30/70
Inventor 王刚丁昌峰王俊波张华杨帆
Owner SOUTHEAST UNIV