Multihop Performance of Cooperative Preamble Sampling MAC(CPS-MAC) in Wireless Sensor Networks

  • Rana Azeem M. Khan
  • Holger Karl
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6811)

Abstract

Cooperative communication(CC) is a promising technique to combat fading in a wireless environment. In our previous work, we proposed Cooperative Preamble Sampling(CPS)-Medium Access Control(MAC) protocol which highlighted the benefits of using CC in Wireless Sensor Networks(WSN). Initially, CPS-MAC performance was evaluated in a 3-node network comprising a single source, partner, and destination node.

In this paper, we evaluate the performance of CPS-MAC in a multi-hop WSN configuration, where a large number of sensor nodes are deployed around a sink to create a data gathering network. All nodes generate traffic, which leads to channel contention, collisions, and idle listening. Results show that, under light traffic load, CPS-MAC performs on par with non-cooperative preamble sampling protocol and performs significantly higher as traffic load increases.

Keywords

Cooperative Communication Medium Access Control Preamble Sampling Wireless Sensor Networks Reliability 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Rana Azeem M. Khan
    • 1
  • Holger Karl
    • 1
  1. 1.University of PaderbornPaderbornGermany

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