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- Title
In-Band Full-Duplex Relaying for SWIPT-Enabled Cognitive Radio Networks.
- Authors
Nguyen, Hieu V.; Nguyen, Van-Dinh; Shin, Oh-Soon
- Abstract
This paper studies sum rate maximization of a cognitive radio network, where a full-duplex relay (FDR) is considered to assist data transmission. An FDR equipped with multiple transmit/receive antennas is introduced to harvest energy from the radio frequency signal of the primary system to reuse the energy for its own data transmission. By exploiting the time-switching relaying protocol, we first formulate an optimization problem for the sum rate of primary and secondary receivers and then propose a low-complexity algorithm to find the optimal solution. Numerical results verify the effectiveness of the proposed technique for wireless information and power transfer in cognitive radio systems.
- Subjects
COGNITIVE radio; RADIO networks; WIRELESS power transmission; RADIO technology; ENERGY harvesting; DATA transmission systems
- Publication
Electronics (2079-9292), 2020, Vol 9, Issue 5, p835
- ISSN
2079-9292
- Publication type
Article
- DOI
10.3390/electronics9050835