An implementation of network coding with association policies in heterogeneous networks

Authors:
Ashutosh Kulkarni;Michael Heindlmaier;Danail Traskov;Marie-José Montpetit;Muriel Médard
Affiliations:
LNT, TUM, Germany;LNT, TUM, Germany;LNT, TUM, Germany;RLE, MIT;RLE, MIT
Venue:
NETWORKING'11 Proceedings of the IFIP TC 6th international conference on Networking
Year:
2011

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Abstract

This paper presents a wireless network performance study of a modified TCP/IP protocol stack with a network coding layer inserted between the transport and the network layer. The simulation was performed with the OPNET simulation tool and considered a heterogeneous wireless environment where a mobile device could connect to both LTE (Long Term Evolution) and WLAN (wireless LAN) networks. We simulate various user-network association policies in such an environment with the goal of usage cost optimization under a Quality of Service (QoS) constraint. The results show that using a threshold-based online policy the network usage cost can be reduced significantly while remaining within the user's QoS requirements.