Network coded ALOHA for wireless multihop networks

Hyun Kwan Lee, Seong Lyun Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

The purpose of this paper is to show the possibility of combining slotted ALOHA with network coding in wireless multihop networks. In particular, we focus on a star topology in which outer nodes exchange data with each other through a center node. The question is how much the throughput increases by adopting network coding at the center node. To answer this question, we analyze the performance of slotted ALOHA for a star topology. In our analysis, there are two versions of slotted ALOHA: conventional ALOHA, and so-called network coded ALOHA, where the center node makes a network coding with the XOR operation to encode bi-directional traffic of the outer nodes. By analyzing the star topology, we can understand how to control the congested node in a wireless multihop network, where a lot of traffic passes through the node. In our analysis, we make crosslayer optimization over physical and MAC layers. Our conclusion is that network coded ALOHA is a good alternative to support the congested node, compared to the other wireless MAC, e.g., CSMA/CA

Original languageEnglish
Title of host publication2009 IEEE Wireless Communications and Networking Conference, WCNC 2009 - Proceedings
DOIs
Publication statusPublished - 2009 Sep 22
Event2009 IEEE Wireless Communications and Networking Conference, WCNC 2009 - Budapest, Hungary
Duration: 2009 Apr 52009 Apr 8

Publication series

NameIEEE Wireless Communications and Networking Conference, WCNC
ISSN (Print)1525-3511

Other

Other2009 IEEE Wireless Communications and Networking Conference, WCNC 2009
CountryHungary
CityBudapest
Period09/4/509/4/8

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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  • Cite this

    Lee, H. K., & Kim, S. L. (2009). Network coded ALOHA for wireless multihop networks. In 2009 IEEE Wireless Communications and Networking Conference, WCNC 2009 - Proceedings [4917827] (IEEE Wireless Communications and Networking Conference, WCNC). https://doi.org/10.1109/WCNC.2009.4917827