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Experimental performance evaluation of a MAC protocol for cooperative ARQ scenarios
Verikoukis, Christos; Pérez Neira, Ana Isabel; Alonso Zárate, Jesús; Skiannis, Ch.
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. A&MP - Grup de Processament d'Arrays i Sistemes Multicanal
This paper provides details and performance evaluation of the implementation of the Persistent Relay Carrier Sensing Multiple Access (PRCSMA) protocol for Cooperative ARQ (C-ARQ) scenarios using off-the-shelf wireless cards. The underlying idea of PRCSMA is to modify the basic rules of the IEEE 802.11 MAC protocol to execute a distributed C-ARQ scheme in wireless networks in order to enhance their performance and to extend coverage.1 For the implementation, we modify the HostAP driver for offthe- shelf air-interfaces. HostAP is a Linux based driver for 802.11b WLAN cards based on Intersil´s Prism 2.5. Performance evaluation tests provide proof-of-concept of the efficiency, in terms of mean delay, of the PRCSMA in realistic conditions
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
Signal theory (Telecommunication)
Software radio
Senyal, Teoria del (Telecomunicació)
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