Network Coding for Hop-by-Hop Communication Enhancement in Multi-hop Networks

Peyman Pahlevani, Hana Khamfroush, Daniel Enrique Lucani Roetter, Morten Videbæk Pedersen, Frank Hanns Paul Fitzek

Research output: Contribution to journalJournal articleResearchpeer-review

3 Citations (Scopus)

Abstract

In our recent study, we introduced the PlayNCool protocol that increases the
throughput of the wireless networks by enabling a helper node to strengthen
the communication link between two neighboring nodes and using random
linear network coding. This paper focuses on design and implementation
advantages of the PlayNCool protocol in a real environment of wireless mesh
networks. We provide a detailed protocol to implement PlayNCool that
is independent from the other protocols in the current computer network
stack. PlayNCool performance is evaluated using NS{3 simulations and real-
life measurements using Aalborg University's Raspberry Pi test-bed. Our
results show that selecting the best policy to activate the helper node is a
key to guarantee the performance of PlayNCool protocol. We also study the
effect of neighbor nodes in the performance of PlayNCool. Using a helper
in presence of active neighbors is useful even if the channel from helper to
destination is not better than the channel between sender and destination.
PlayNCool increases the gain of end-to-end communication by two-fold or
more while maintaining compatibility to standard wireless ad-hoc routing
protocols.
Original languageEnglish
JournalComputer Networks
Volume105
Pages (from-to)138-149
ISSN1389-1286
DOIs
Publication statusPublished - 2016

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Network coding
Network protocols
Communication
Telecommunication links
Wireless networks

Cite this

Pahlevani, Peyman ; Khamfroush, Hana ; Roetter, Daniel Enrique Lucani ; Pedersen, Morten Videbæk ; Fitzek, Frank Hanns Paul. / Network Coding for Hop-by-Hop Communication Enhancement in Multi-hop Networks. In: Computer Networks. 2016 ; Vol. 105. pp. 138-149.
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title = "Network Coding for Hop-by-Hop Communication Enhancement in Multi-hop Networks",
abstract = "In our recent study, we introduced the PlayNCool protocol that increases thethroughput of the wireless networks by enabling a helper node to strengthenthe communication link between two neighboring nodes and using randomlinear network coding. This paper focuses on design and implementationadvantages of the PlayNCool protocol in a real environment of wireless meshnetworks. We provide a detailed protocol to implement PlayNCool thatis independent from the other protocols in the current computer networkstack. PlayNCool performance is evaluated using NS{3 simulations and real-life measurements using Aalborg University's Raspberry Pi test-bed. Ourresults show that selecting the best policy to activate the helper node is akey to guarantee the performance of PlayNCool protocol. We also study theeffect of neighbor nodes in the performance of PlayNCool. Using a helperin presence of active neighbors is useful even if the channel from helper todestination is not better than the channel between sender and destination.PlayNCool increases the gain of end-to-end communication by two-fold ormore while maintaining compatibility to standard wireless ad-hoc routingprotocols.",
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Network Coding for Hop-by-Hop Communication Enhancement in Multi-hop Networks. / Pahlevani, Peyman; Khamfroush, Hana; Roetter, Daniel Enrique Lucani; Pedersen, Morten Videbæk; Fitzek, Frank Hanns Paul.

In: Computer Networks, Vol. 105, 2016, p. 138-149.

Research output: Contribution to journalJournal articleResearchpeer-review

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