Energy-Aware Wireless Relay Selection in Load-Coupled OFDMA Cellular Networks
2017 (English)In: IEEE Communications Letters, ISSN 1089-7798, E-ISSN 1558-2558, Vol. 21, no 1, 144-147 p.Article in journal (Refereed) Published
We investigate transmission energy minimization via optimizing wireless relay selection in orthogonal-frequency-division multiple access networks. We take into account the impact of the load of cells on transmission energy. We prove the NP-hardness of the energy-aware wireless relay selection problem. To tackle computational complexity, a partial optimality condition is derived for providing insights in respect of designing an effective and efficient algorithm. Numerical results show the resulting algorithm achieves high energy performance.
Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. Vol. 21, no 1, 144-147 p.
Heterogeneous network, wireless relay, OFDMA, energy efficiency
IdentifiersURN: urn:nbn:se:uu:diva-319321DOI: 10.1109/LCOMM.2016.2615604ISI: 000393788000036OAI: oai:DiVA.org:uu-319321DiVA: diva2:1087969