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Inter-Relay Traffic through Network Coding in Cooperative Wireless Ad Hoc Networks

Librino, Federico and Munari, Andrea and Zorzi, Michele (2011) Inter-Relay Traffic through Network Coding in Cooperative Wireless Ad Hoc Networks. In: IEEE Global Telecommunications Conference (GLOBECOM 2011). IEEE Globecom 2011, Houston, TX (US).

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Cooperative Network-Coded Hybrid ARQ (Coop-NC HARQ) has recently been proposed as a smart way to improve Decode & Forward (D&F) relaying. According to this idea, cooperators send HARQ redundancy on behalf of a source coded together with a data packet intended for the destination they are helping and taken from their own queue. This paper applies for the first time such a technique in ad hoc networks with Multi-User Detection (MUD) capabilities, allowing several terminals to simultaneously act as relays. In this context, we introduce a novel communication paradigm that leverages network-coded retransmissions to allow more efficient data exchanges among all terminals involved in a cooperative process, enabling interrelay communications as well. Simulation results show that the proposed solution offers important gains over D&F as well as Coop-NC HARQ in both single- and multi-hop networks in terms of throughput and energy consumption.

Item URL in elib:https://elib.dlr.de/83234/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Inter-Relay Traffic through Network Coding in Cooperative Wireless Ad Hoc Networks
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Librino, FedericoUniversity of PadovaUNSPECIFIED
Zorzi, MicheleUniversity of PadovaUNSPECIFIED
Date:December 2011
Journal or Publication Title:IEEE Global Telecommunications Conference (GLOBECOM 2011)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:cooperation, network coding, ad hoc networks, MUD
Event Title:IEEE Globecom 2011
Event Location:Houston, TX (US)
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignment
DLR - Research theme (Project):R - no assignment
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Satellite Networks
Deposited By: Munari, Andrea
Deposited On:16 Jul 2013 11:36
Last Modified:16 Jul 2013 11:36

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