A Survey on Energy-Efficient Communications

Publication Type:

Conference Paper


IEEE Intl. Symp. on Personal, Indoor and Mobile Radio Communications (PIMRC 2010), Istanbul, Turkey (2010)


In this paper, we review the literature on physical layer energy-efficient communications. The most relevant and recent works are mainly centered around two frameworks: the pragmatic and the information theoretical approaches. Both of them aim at finding the best transmit and/or receive policies which maximize the number of bits that can be reliably conveyed over the channel per unit of energy consumed. Taking into account both approaches, the analysis starts with the single user SISO (single-input single-output) channel, and is then extended to the MIMO (multiple-input multiple-output) and multi-user scenarios.

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