Receiver Heterogeneity Helps: Network Coding for Wireless Multi-Layer Multicast

Erika R. Kovács, Morten Videbæk Pedersen, Daniel Enrique Lucani Roetter, Frank Fitzek

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Abstract

Heterogeneity amongst devices and desired service are commonly seen as a source of additional challenges for setting up an efficient multi-layer multicast service. In particular, devices requiring only the base layer can become a key bottleneck to the performance for other devices. This paper studies the case of a wireless multi-layer multicast setting and shows that the judicious use of network coding allows devices with different computational capabilities to trade-off processing complexity for an improved quality of service. As a consequence, individual devices can determine their required effort, while bringing significant advantages to the system as a whole. Network coding is used as a key element to reduce signaling in order to deliver the multicast service. More importantly, our proposed approach focuses on creating some structure in the transmitted stream by allowing inter-layer coding, in order to create more opportunities for recovering the base layer promptly. We propose a design and analyze its delay distribution and mean performance under various system conditions and present a first implementation to verify our analysis and demonstrate the applicability of our approach.
OriginalsprogEngelsk
TitelNetwork Coding (NetCod), 2014 International Symposium on
Antal sider6
ForlagIEEE
Publikationsdato2014
Sider1-6
ISBN (Trykt)978-1-4799-6217-4
DOI
StatusUdgivet - 2014
Begivenhed2014 International Symposium on Network Coding - Aalborg University , Aalborg Oest, Danmark
Varighed: 27 jun. 201428 jun. 2014
Konferencens nummer: 31948

Konference

Konference2014 International Symposium on Network Coding
Nummer31948
LokationAalborg University
Land/OmrådeDanmark
ByAalborg Oest
Periode27/06/201428/06/2014
Navn2014 International Symposium on Network Coding

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