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Distributed resource allocation algorithm for self-optimized OFDMA interference channels

Ren, J; Hou, JJ; Wong, KK; (2012) Distributed resource allocation algorithm for self-optimized OFDMA interference channels. Tianjin Daxue Xuebao (Ziran Kexue yu Gongcheng Jishu Ban)/Journal of Tianjin University Science and Technology , 45 (7) pp. 647-650.

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Abstract

Self-optimization of power and subcarrier allocation for orthogonal frequency division multiple access (OFDMA) interference channels was studied, and a distributed algorithm was proposed that each user could maximize its achievable rate based on its local observation on the channels by an iterative water-filling (WF) approach. The liner complementarity problem (LCP) formulation of the WF with the transmit interference temperature limit was used for optimizing the resource allocation. Simulation results demonstrate that the proposed distributed algorithm can achieve significantly greater efficiency than the Nash equilibrium (NE) game algorithm.

Type: Article
Title: Distributed resource allocation algorithm for self-optimized OFDMA interference channels
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/1504956
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