1. Throughput-efficient Relay assisted Hybrid ARQ
- Author
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Francesca Bassi, Philippe Ciblat, Alaa Khreis, Pierre Duhamel, Département COMELEC - Communications & Electronique, Laboratoire Traitement et Communication de l'Information ( LTCI ), Télécom ParisTech-Institut Mines-Télécom [Paris]-Centre National de la Recherche Scientifique ( CNRS ) -Télécom ParisTech-Institut Mines-Télécom [Paris]-Centre National de la Recherche Scientifique ( CNRS ), École spéciale de mécanique et d'électricité SUDRIA PRISM (.) ( ESME Sudria ), Laboratoire des signaux et systèmes ( L2S ), Université Paris-Sud - Paris 11 ( UP11 ) -CentraleSupélec-Centre National de la Recherche Scientifique ( CNRS ), IEEE, Département Communications & Electronique (COMELEC), Télécom ParisTech, Laboratoire des signaux et systèmes (L2S), and Université Paris-Sud - Paris 11 (UP11)-CentraleSupélec-Centre National de la Recherche Scientifique (CNRS)
- Subjects
[ INFO.INFO-TS ] Computer Science [cs]/Signal and Image Processing ,Computer science ,Retransmission ,[ INFO.INFO-NI ] Computer Science [cs]/Networking and Internet Architecture [cs.NI] ,Hybrid automatic repeat request ,Throughput ,Data_CODINGANDINFORMATIONTHEORY ,02 engineering and technology ,law.invention ,[INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI] ,[INFO.INFO-TS]Computer Science [cs]/Signal and Image Processing ,Relay ,law ,0502 economics and business ,0202 electrical engineering, electronic engineering, information engineering ,Wireless ,ComputingMilieux_MISCELLANEOUS ,business.industry ,Network packet ,ComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKS ,05 social sciences ,020206 networking & telecommunications ,Transmission (telecommunications) ,business ,050203 business & management ,Computer network ,Data transmission - Abstract
International audience; Reliable data transmission within wireless communication systems can be obtained via various means, including (i) Hybrid Automatic Repeat reQuest (HARQ) mechanisms which allow retransmission of incorrectly decoded packets; (ii) Additional nodes, called relays, which may also help the transmission by retransmitting these packets. An efficient combination of both techniques is therefore of great interest. This paper investigates a relay assisted HARQ protocol aiming at maximizing the system throughput. The protocol allows the source to transmit a new message during the same time-slot in which the relay is retransmitting a previous message. By using an efficient interference canceler at the destination, the numerical results show significant throughput gain compared to standard approaches.
- Published
- 2018
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