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RIS-based social perception V2X network joint resource optimization method

A resource optimization and social technology, applied in the field of network information resources, can solve problems such as not easy to deal with, and achieve the effect of ensuring reliability and improving service quality

Pending Publication Date: 2021-12-03
NANTONG UNIVERSITY
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Problems solved by technology

Due to the non-convex nature of its mixed-integer nature, the proposed problem is computationally intractable

Method used

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  • RIS-based social perception V2X network joint resource optimization method
  • RIS-based social perception V2X network joint resource optimization method
  • RIS-based social perception V2X network joint resource optimization method

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Embodiment Construction

[0077] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0078] Unless otherwise defined, all technical terms and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention, and the terms used in the description of the present invention herein are only to describe specific implementations. The purpose of the example is not intended to limit the present invention.

[0079] Such as figure 1 As shown, consider the figure 1 The illustrated RIS-assisted vehicular communication system, involving the V2I link from the signal antenna base statio...

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Abstract

The invention discloses an RIS-based social perception V2X network joint resource optimization method. A problem is decomposed into three sub-problems which can be effectively solved: RIS reflection coefficient design, power distribution of each pair of vehicles and spectrum multiplexing mode optimization. On the basis, a novel three-stage joint resource allocation and RIS optimization (JRARO) algorithm is provided. Simulation results show that the proposed algorithm significantly improves the V2I total capacity, the RIS can compensate channel gain loss caused by high maneuverability of the vehicle to a great extent, and the superiority of RIS assisted vehicle-mounted communication is verified.

Description

technical field [0001] The invention relates to an RIS-based social perception V2X network joint resource optimization method, belonging to the technical field of network information resources. Background technique [0002] Inspired by the great potential of reconfigurable smart surface (RIS) based transport, a social trust based reconfigurable smart surface (RIS) assisted vehicle-to-everything (V2X) communication system is investigated, where multiple vehicles to infrastructure ( V2I) links share spectrum with Vehicle-to-Vehicle (V2V) links. Under the premise of satisfying the reliability constraints of V2V links, the total capacity of V2I links is maximized by jointly optimizing power allocation, RIS reflection coefficient and spectrum allocation. The proposed three-stage Joint Resource Allocation and RIS Optimization (JRARO) algorithm can effectively transform the mixed integer non-convex problem into three sub-problems for iterative solution. The simulation results sho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/40H04W52/34H04W24/06H04B17/391
CPCH04W4/40H04W52/34H04W24/06H04B17/3912
Inventor 章国安谷晓会邱钦宇段玮
Owner NANTONG UNIVERSITY
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