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Energy-efficiency evaluation of a medium access control protocol for cooperative ARQ
Alonso Zárate, Jesús; Stavrou, Eirini; Stamou, Adamantia; Angelidis, Pantelis; 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
Best Paper Award in Communications QoS, Reliability and Modelling. IEEE ICC 2011
We present in this paper the evaluation of the energy consumption of PRCSMA, an 802.11-based medium access control protocol designed to coordinate the retransmissions from the relays in a wireless network implementing a Cooperative Automatic Retransmission Request (C-ARQ) scheme. A comparison in terms of energy efficiency with non-cooperative ARQ schemes (retransmissions performed only from the source) and with ideal C-ARQ (with perfect scheduling among the relays) is included in this paper. The main results show the conditions under which a C-ARQ scheme with PRCSMA outperforms, in terms of energy efficiency, non-cooperative ARQ schemes and also show that the overhead of the MAC layer cannot be neglected in order to accurately evaluate the performance of a C-ARQ scheme.
Peer Reviewed
Award-winning
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
IEEE 802.11 Standards
Access protocols
Automatic repeat request
Radio networks
Wireless LAN
Xarxes sense fils
Protocols de xarxes d'ordinadors
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