NDLI: Analysis of a set of error correcting schemes in multi-hop wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Srivastava, S. Spagnol, C. Popovici, E.
Copyright Year	2009
Description	Author affiliation: Department of Microelectronic Engineering, University College Cork, Ireland (Srivastava, S.; Spagnol, C.; Popovici, E.)
Abstract	In multi-hop wireless sensor networks (WSN), the data transmitted from sensor nodes is highly susceptible to error corruption introduced by noisy channels. It is important to use some error correction schemes in order to control the errors introduced and to reduce the number of automatic requests for retransmission. The sensor nodes are typically wireless nodes with limited storage and computational power. Thus the error control schemes should be energy efficient at sensor nodes level. Most of the reported works assume that both encoding and decoding are performed at every node. The idea of this paper is to perform encoding only at the first node and decoding will be done at the base station. We assume that the base station has enough power to run complex decoding algorithms. This paper provides a model for energy consumed and the probability of receiving a correct word for multi-hop WSN at base station when considering a number of coding schemes and hops. The emphasis is on using powerful codes with low complexity encoding. Several powerful codes like Reed-Solomon (RS), list decoded RS codes, multivariate interpolation decoded RS codes (MIDRS) and Hermitian codes are investigated for this scheme. All these codes have very simple encoding based on RS type encoders and we will show that this scheme consumes less power than reported schemes while maintaining a low probability of error.
Starting Page	1
Ending Page	4
File Size	320030
Page Count	4
File Format	PDF
ISBN	9781424437337
DOI	10.1109/RME.2009.5201368
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-12
Publisher Place	Ireland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Base stations Energy consumption Spread spectrum communication Forward error correction Error correction Decoding Microelectronics Automatic repeat request Power engineering and energy
Content Type	Text
Resource Type	Article

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