Experimental Investigation of Reed-Solomon Error Correction Technique for Wireless Sensor Network
Keywords:
Error pattern analysis, forward error correction, Reed-Solomon, wireless sensor network.Abstract
In this paper, we propose a Reed-Solomon (RS)
error correction code with an error correction capability of 32
bytes for IEEE 802.15.4 wireless sensor network (WSN). This
code is chosen based on our experimental investigation and the
analysis of error pattern, which revealed that although there
are as much as 82% of burst errors out of the total errors are
present at WSN, the rate of occurrence of the burst errors
decreases when the burst length increases. Experimental results
show that the proposed error correction code is able to reduce
the packet error rate (PER) significantly for distances shorter
than 40 m. At the target PER of 10-3, the proposed technique is
able to improve either the transmission distance by about 10 m
or the received signal strength indication (RSSI) by about 8 dB
compared to the WSN without error correction.
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