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Coordinated Direct and Relay Transmission Using Uplink NOMA
- Authors
- Kader, Md Fazlul; Shin, Soo Young
- Issue Date
- Jun-2018
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Ergodic sum capacity; non-orthogonal multiple access; successive interference cancellation; uplink
- Citation
- IEEE WIRELESS COMMUNICATIONS LETTERS, v.7, no.3, pp.400 - 403
- Journal Title
- IEEE WIRELESS COMMUNICATIONS LETTERS
- Volume
- 7
- Number
- 3
- Start Page
- 400
- End Page
- 403
- ISSN
- 2162-2337
- Abstract
- A coordinated direct and relay transmission is proposed using uplink non-orthogonal multiple access (UP-NOMA). A two-user UP-NOMA scenario is considered, where a cell-center user directly communicates with a base station (BS), whereas a cell-edge user needs the assistance of a half-duplex decode-and-forward relay to communicate with the BS. The ergodic sum capacity of UP-NOMA is analyzed under both perfect and imperfect successive interference cancellation. The superiority of UP-NOMA over conventional multiple access is demonstrated through simulation and analysis.
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Related Researcher
- SHIN, SOO YOUNG
- College of Engineering (School of Electronic Engineering)