Mohamad Maaz

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Poly(ethylene terephthalate) (PET) substrates were modified by means of surface-initiated supplemental activator and reducing agent atom transfer radical polymerization (SI-SARA-ATRP) of 4-vinylpyridine (4VP). Substrates were pretreated in order to graft chloromethylbenzene (CMB) units capable of initiating the radical polymerization reaction of 4VP units.(More)
3 Résumé long de la thése en français 5 Introduction 15 1 State of the Art and Mathematical Background 20 1.1 Cooperative Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.1.1 General Context . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.1.2 Cooperative Communications Protocols . . . . .(More)
This paper studies the energy efficiency (bits/joule) in relay assisted networks using Chase combining hybrid-ARQ (HARQ-CC) retransmission technique. As energy efficiency depends on the average delay and the packet error probability (PER), we start by deriving an approximation of the PER for HARQ-CC retransmission scheme. This approximation is really simple(More)
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