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A Design of Energy-Efficient Receivers for Cluster-Head Nodes in Wireless Sensor Networks

  • Hyungkeun Lee
  • Hwa-sung Kim
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3994)

Abstract

In wireless sensor networks, embedded sensor nodes equipped with sensing, computation, and communication resources are generally constrained in energy supply. An efficient way to save energy of the network is to partition the network into distinct clusters with specific nodes called cluster-head. Since, however, higher level of energy consumption at cluster-head nodes might cause more damage to the network, energy-saving in cluster-head nodes is critical. In this paper, we propose an energy-efficient receiver for cluster-head nodes in two-tiered wireless sensor networks. The receiver performs multiuser detection and channel decoding jointly in a CDMA system, where information about channel codes is utilized for multiuser detection. This receiver exhibits improved performance of the sensor networks in terms of overhead, delay and power, and its excellent performance is shown via simulation.

Keywords

Sensor Node Wireless Sensor Network Channel Code Convolutional Code Head Node 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Hyungkeun Lee
    • 1
  • Hwa-sung Kim
    • 2
  1. 1.Department of Computer EngineeringKwangwoon UniversitySeoulKorea
  2. 2.Department of Electronic Communications EngineeringKwangwoon UniversitySeoulKorea

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