A stochastic non-cooperative game for energy efficiency in wireless data networks

Details A stochastic non-cooperative game for energy efficiency in wireless data networks A stochastic non-cooperative game for energy efficiency in wireless data networks

2007-05-21

arxiv.org/abs/0705.3013v1

Computer Science

Information Theory

To appear in the Proceedings of the 2007 Tyrrhenian International Workshop on Digital Communication, Naples, Italy, September

Scientific paper

In this paper the issue of energy efficiency in CDMA wireless data networks is addressed through a game theoretic approach. Building on a recent paper by the first two authors, wherein a non-cooperative game for spreading-code optimization, power control, and receiver design has been proposed to maximize the ratio of data throughput to transmit power for each active user, a stochastic algorithm is here described to perform adaptive implementation of the said non-cooperative game. The proposed solution is based on a combination of RLS-type and LMS-type adaptations, and makes use of readily available measurements. Simulation results show that its performance approaches with satisfactory accuracy that of the non-adaptive game, which requires a much larger amount of prior information.

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