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|Title:||Full-Duplex Wireless-Powered Relay in Two Way Cooperative Networks|
Kelly, James R.
|Publisher:||Institute of Electrical and Electronics Engineers (IEEE)|
|Citation:||IEEE Access, 2017, 5, pp. 1548-1558|
|Abstract:||This paper investigates a full duplex wireless-powered two way communication networks, where two hybrid access points (HAPs) and a number of amplify and forward relays both operate in full duplex scenario. We use time switching (TS) and static power splitting (SPS) schemes with two way full duplex wireless-powered networks as a benchmark. Then, the new time division duplexing static power splitting (TDD SPS) and the full duplex static power splitting (FDSPS) schemes as well as a simple relay selection strategy are proposed to improve the system performance. For TS, SPS, and FDSPS, the best relay harvests energy using the received RF signal from HAPs and uses harvested energy to transmit signal to each HAP at the same frequency and time, therefore only partial self-interference (SI) cancellation needs to be considered in the FDSPS case. For the proposed TDD SPS, the best relay harvests the energy from the HAP and its self-interference. Then, we derive closed-form expressions for the throughput and outage probability for delay limited transmissions over Rayleigh fading channels. Simulation results are presented to evaluate the effectiveness of the proposed scheme with different system key parameters, such as time allocation, power splitting ratio, and residual SI.|
|Rights:||Copyright © 2017, IEEE. Deposited with reference to the publisher’s open access archiving policy. (http://www.rioxx.net/licenses/all-rights-reserved)|
|Appears in Collections:||Published Articles, Dept. of Engineering|
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