研究目的
To minimize the weighted sum transmit power for a full-duplex system with simultaneous wireless information and power transfer (SWIPT) and self-energy recycling.
研究成果
The proposed FD transmission structure with SWIPT and self-energy recycling significantly reduces the weighted sum transmit power. The optimal solutions obtained through semidefinite relaxation are proven to be equivalent to the original problem's solutions, validating the methodology.
研究不足
The study assumes perfect self-interference cancellation and channel state information (CSI) acquisition, which may not be feasible in practical scenarios. The complexity of the interior-point algorithm for solving the SDR problem is also a limitation.
1：Experimental Design and Method Selection:
The study involves designing a full-duplex point-to-point system with SWIPT and self-energy recycling. The methodology includes applying semidefinite relaxation to convert a non-convex problem into a convex one.
2：Sample Selection and Data Sources:
The system consists of one multi-antenna FD access point and one two-antenna FD mobile station. Channels are modeled using Rician fading for the LOS signal and Rayleigh fading for the NLOS signal.
3：List of Experimental Equipment and Materials:
The setup involves MIMO FD systems with specific antenna configurations and channel models.
4：Experimental Procedures and Operational Workflow:
The process includes designing transmit beamforming vectors, power splitting ratios, and transmit power values, followed by simulation to validate the analysis.
5：Data Analysis Methods:
The analysis involves comparing the performance of the proposed FD system with a half-duplex system to demonstrate the benefits of self-energy recycling.
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