Abstract
In cooperative communication system, relay node may consume more energy for relaying the information from source node, resulting in decreasing the stored energy for its own transmission. Recently, simultaneous wireless information and power transfer (SWIPT) has been presented to collect radio frequency (RF) while decoding the received signal. In this paper, A SWIPT based on relay and subcarrier joint allocation for OFDM cooperative communication is proposed to maximize the transmission performance of the relay node while guaranteeing the relay performance, via collecting the RF energy of the source signal. A joint optimization problem for subcarrier and power allocations is proposed, which can be worked out by a repeated optimization arithmetic. It can be seen from the simulation results that the system can change the spectrum efficiency.
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This paper is supported by New Technology Research University Collaboration Project of the 54th Research Institute of CECT.
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Liu, X., Liu, X., Li, B., Lu, W. (2020). Subcarrier Allocation-Based SWIPT for OFDM Cooperative Communication. In: Liang, Q., Wang, W., Liu, X., Na, Z., Jia, M., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2019. Lecture Notes in Electrical Engineering, vol 571. Springer, Singapore. https://doi.org/10.1007/978-981-13-9409-6_293
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DOI: https://doi.org/10.1007/978-981-13-9409-6_293
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