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- Publisher Website: 10.1109/GLOCOM.2017.8254641
- Scopus: eid_2-s2.0-85040645543
- WOS: WOS:000428054303073
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Conference Paper: Power Allocation for Full-Duplex Cooperative Non-Orthogonal Multiple Access Systems
Title | Power Allocation for Full-Duplex Cooperative Non-Orthogonal Multiple Access Systems |
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Authors | |
Keywords | 5G cooperative NOMA full-duplex relaying power allocation |
Issue Date | 2017 |
Citation | 2017 IEEE Global Communications Conference, GLOBECOM 2017 - Proceedings, 2017, v. 2018-January, p. 1-6 How to Cite? |
Abstract | This paper investigates the power allocation problem of full-duplex cooperative non-orthogonal multiple access (FD-CNOMA) systems, in which the strong users relay data for the weak users via a full duplex relaying mode. For the purpose of fairness, our goal is to maximize the minimum achievable user rate in a NOMA user pair. More specifically, we consider the power optimization problem for two different relaying schemes, i.e., the fixed relaying power scheme and the adaptive relaying power scheme. For the fixed relaying scheme, we demonstrate that the power allocation problem is quasi-concave and a closed-form optimal solution is obtained. Then, based on the derived results of the fixed relaying scheme, the optimal power allocation policy for the adaptive relaying scheme is also obtained by transforming the optimization objective function as a univariate function of the relay transmit power PR. Simulation results show that the proposed FD-CNOMA scheme with adaptive relaying can always achieve better or at least the same performance as the conventional NOMA scheme. In addition, there exists a switching point between FD-CNOMA and half-duplex cooperative NOMA. |
Persistent Identifier | http://hdl.handle.net/10722/316486 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Chen, Xianhao | - |
dc.contributor.author | Liu, Gang | - |
dc.contributor.author | Ding, Zhiguo | - |
dc.contributor.author | Yu, F. Richard | - |
dc.contributor.author | Fan, Pingzhi | - |
dc.date.accessioned | 2022-09-14T11:40:34Z | - |
dc.date.available | 2022-09-14T11:40:34Z | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | 2017 IEEE Global Communications Conference, GLOBECOM 2017 - Proceedings, 2017, v. 2018-January, p. 1-6 | - |
dc.identifier.uri | http://hdl.handle.net/10722/316486 | - |
dc.description.abstract | This paper investigates the power allocation problem of full-duplex cooperative non-orthogonal multiple access (FD-CNOMA) systems, in which the strong users relay data for the weak users via a full duplex relaying mode. For the purpose of fairness, our goal is to maximize the minimum achievable user rate in a NOMA user pair. More specifically, we consider the power optimization problem for two different relaying schemes, i.e., the fixed relaying power scheme and the adaptive relaying power scheme. For the fixed relaying scheme, we demonstrate that the power allocation problem is quasi-concave and a closed-form optimal solution is obtained. Then, based on the derived results of the fixed relaying scheme, the optimal power allocation policy for the adaptive relaying scheme is also obtained by transforming the optimization objective function as a univariate function of the relay transmit power PR. Simulation results show that the proposed FD-CNOMA scheme with adaptive relaying can always achieve better or at least the same performance as the conventional NOMA scheme. In addition, there exists a switching point between FD-CNOMA and half-duplex cooperative NOMA. | - |
dc.language | eng | - |
dc.relation.ispartof | 2017 IEEE Global Communications Conference, GLOBECOM 2017 - Proceedings | - |
dc.subject | 5G | - |
dc.subject | cooperative NOMA | - |
dc.subject | full-duplex relaying | - |
dc.subject | power allocation | - |
dc.title | Power Allocation for Full-Duplex Cooperative Non-Orthogonal Multiple Access Systems | - |
dc.type | Conference_Paper | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1109/GLOCOM.2017.8254641 | - |
dc.identifier.scopus | eid_2-s2.0-85040645543 | - |
dc.identifier.volume | 2018-January | - |
dc.identifier.spage | 1 | - |
dc.identifier.epage | 6 | - |
dc.identifier.isi | WOS:000428054303073 | - |