Combined resource distribution method based on energy acquisition cooperation communication system

Abstract

The invention discloses a combined resource distribution method based on an energy acquisition cooperation communication system and belongs to the cooperation communication technology field. The method comprises steps of system scene analysis and problem resolution; system mathematics model establishment and optimal solution calculation on the basis of an optimization method. According to the method, for the special application scene from a practical application, compared with a relay selection method in the prior art, problems of high complexity and high network cost existing in relays in the prior art are solved, a single relay node selection algorithm and a corresponding resource distribution algorithm are searched from an easy-practical-application angle, single relay cooperation communication on the basis of energy acquisition is considered, a throughout expression under the scene is derived, optimal relay selection and power distribution are considered in a combined mode, and the method has great guiding meaning.

Description

technical field [0001] The invention belongs to the technical field of cooperative communication, and more specifically relates to a joint resource allocation method based on an energy harvesting cooperative communication system. Background technique [0002] Wireless networking has changed rapidly over the past decade, incorporating many advanced technologies. Among them, the resource allocation problem of the cooperative relay strategy has become a focus of research in the wireless communication academic and industrial circles. At the same time, it is recognized as a major breakthrough in wireless communication because it can improve the performance of wireless communication systems by significantly increasing the robustness of the system and reducing the potential energy loss. Cooperative communication can utilize multi-user systems to achieve distributed space diversity without installing multiple antennas on each node. The information of other users is relayed by mult...

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Problems solved by technology

[0011] In view of the problems that the existing cooperative communication system resource allocation methods do not fully consider the performance improvement brought about by energy harvesting factors, the joint relay selection and power allocation under the condition of energy causal constraints, the practical application requirements of engineering, and the practical application of low-complexity algorithms, etc., The present invention proposes a joint resource allocation method based on the energy harvesting cooperative communication system, which combines the joint relay selection and power allocation under the condition of energy causal constraints, and combines the energy saving scheme brought by the energy harvesting technology to assist the low-complexity iterative algorithm , suitable for practical engineering applications, maximizing network performance for real-time communication of users

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