Liau, Q. Y. and Leow, C. Y. and Ding, Z. (2017) Amplify-and-forward virtual full-duplex relaying based cooperative NOMA. IEEE Wireless Communications Letters . ISSN 2162-2337 (In Press)
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Abstract
This letter studies the performance of a virtual full-duplex relaying technique in cooperative non-orthogonal multiple access (NOMA)-based systems. In particular, two half-duplex amplify-and-forward relays imitate the operation of full-duplex relaying in cooperative NOMA systems using the successive relaying (SR) technique, in order to recover the loss of spectral efficiency due to the half-duplex constraint at the relays. The closed-form outage probability of the proposed scheme is derived. The simulation results show that the proposed SR based cooperative NOMA system with an opportunistic power split factor achieves a lower outage probability and a higher ergodic rate than the existing SR based orthogonal multiple access (OMA) system and ideal full duplex relaying based NOMA systems.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | amplify-and-forward (AF), High definition video, NOMA, Non-orthogonal Multiple Access (NOMA), Power system reliability, Probability, Relays, Reliability, Rough surfaces, successive relaying (SR). |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 77160 |
| Deposited By: | Fazli Masari |
| Deposited On: | 31 May 2018 09:36 |
| Last Modified: | 31 May 2018 09:36 |
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