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Energy efficient techniques for 802.11n multiuser MAC WLANs
Gajic, Danica; Kartsakli, Elli; Zorba Barah, Nizar; Liß, Christian; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. WiComTec - Tecnologies i Comunicacions sense fils
In this paper we evaluate the energy efficiency of MIMO technologies introduced in the emerging IEEE 802.11n standard for infrastructure based WLANs. The main focus is on exploiting multiuser capabilities of MIMO technologies, while studying the proper design of multiuser MAC schemes to achieve an energy efficient solution. Three different multiuser MAC schemes are presented and analyzed. Analytical models for energy efficiency are mathematically developed and verified with link-level computer simulations. The results show the feasibility of achieving higher energy efficiency with the proper adjustment of the system parameters, and without significant degradation of throughput performance.
Peer Reviewed
Àrees temàtiques de la UPC::Energies::Gestió de l'energia
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telemàtica i xarxes d'ordinadors
Energy consumption
MIMO systems
Data transmission systems
Data communication
Downlink
Energy consumption
IEEE 802.11n Standard
MIMO
Mathematical model
Throughput
Energia -- Consum
Sistemes MIMO
Dades -- Transmissió
info:eu-repo/semantics/publishedVersion
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