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NOMA Aided Interference Management for Full-Duplex Self-Backhauling HetNets
University of Luxembourg.
University of Luxembourg.
University of Luxembourg.
University of Luxembourg.ORCID iD: 0000-0003-2298-6774
2018 (English)In: IEEE Communications Letters, ISSN 1089-7798, E-ISSN 1558-2558, Vol. 22, no 8, p. 1696-1699Article in journal (Refereed) Published
Abstract [en]

The presence of mutual-coupled interference in full-duplex self-backhauling heterogeneous networks raises challenges and difficulties in practical scenarios. In this letter, we address this issue by developing a two-tier non-orthogonal multiple access (NOMA) scheme together with efficient power control to enable aggressive frequency reuse and alleviate co-channel interference. For the considered multi-tier and multi-cell NOMA scenario, we formulate a power minimization problem, and develop an efficient algorithm with guaranteed convergence to enable optimal power control, such that users' data demand is satisfied and backhauling bottleneck is avoided. Numerical results show the fast convergence of the proposed algorithm, and demonstrate that NOMA is in particular favorable for the high-demand cases in power savings.

Place, publisher, year, edition, pages
2018. Vol. 22, no 8, p. 1696-1699
Keywords [en]
NOMA, signal to noise ratio, decoding, interference cancellation, power control, convergence. heterogeneous networks, full-duplex, self-backhauling, non-orthogonal multiple access
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-258963DOI: 10.1109/LCOMM.2018.2847672ISI: 000441793900046Scopus ID: 2-s2.0-85048689032OAI: oai:DiVA.org:kth-258963DiVA, id: diva2:1350575
Note

QC 20191024

Available from: 2019-09-11 Created: 2019-09-11 Last updated: 2019-10-24Bibliographically approved

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