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Energy Evaluation of Spatial Modulation at a Multi-Antenna Base Station

Abstract : In this paper, we aim to study the Energy Efficiency (EE) of Spatial Modulation (SM) at different Base Stations (BSs) taking into account the total power consumption. Compared to conventional Multiple-Input Multiple-Output (MIMO) schemes, SM benefits from a single Radio Frequency (RF) chain which results in decreased power supply (W), higher EE (Mbits/J), and reduced complexity. Using the fundamental limits of Shannon capacity, we show that SM achieves a range of average data rates with only a fraction, which can be as low as 24% for four transmit antennas, of the total power supply of conventional MIMO. In addition, we demonstrate that the EE of the studied schemes is maximized for a certain average data rate and that SM achieves the highest EE among them. Finally, we note that a BS employing SM can be up to 67% more energy efficient compared to a BS under a conventional MIMO transmission scheme, for four transmit antennas.
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Contributor : Marco Di Renzo Connect in order to contact the contributor
Submitted on : Monday, June 3, 2013 - 9:06:52 AM
Last modification on : Thursday, November 25, 2021 - 3:01:27 AM




Athanasios Stavridis, Sinan Sinanovic, Marco Di Renzo, Harald Haas. Energy Evaluation of Spatial Modulation at a Multi-Antenna Base Station. 2013 IEEE 78th Vehicular Technology Conference (VTC Fall), Sep 2013, Las Vegas, United States. pp.1-5, ⟨10.1109/vtcfall.2013.6692187⟩. ⟨hal-00829288⟩



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