Analysis of BER and energy efficiency of raptor codes under BEC for wireless sensor network

Author

Nithya, V. ; Ramachandran, B. ; Subashini, S.

Author_Institution

Dept. of ECE, SRM Univ., Chennai, India

fYear

2014

Firstpage

277

Lastpage

282

Abstract

This paper has explored the energy efficiency of Raptor codes; a first known class of fountain codes in an energy constrained network. Transmission power is adjusted dynamically to overcome unreliability over lossy links in wireless sensor network. One of the most felicitous key for this reliability issue is using Forward Error Correction (FEC) codes. This paper investigates the energy bagged by one such FEC code called Raptor codes in the Binary Erasure Channel (BEC) scenario. The performance analysis of Raptor codes in terms of energy by varying its precoder is carried out. The network parameters such as Bit Error Rate (BER), Throughput and Energy Spent per Bit are considered for the study. The simulation results show that Raptor code with BCH code as a precoder improves the network lifetime over Raptor code alongside LDPC (Low Density Parity Check) code as a precoder by 88.24%.

Keywords

error statistics; forward error correction; parity check codes; telecommunication power management; wireless sensor networks; BEC; BER; FEC codes; LDPC code; Raptor codes; binary erasure channel; bit error rate; energy efficiency; forward error correction codes; fountain codes; low density parity check code; wireless sensor network; Bit error rate; Decoding; IEEE 802.15 Standards; Parity check codes; Transceivers; Wireless sensor networks; Zigbee; Energy Efficiency; Erasure channel; Forward Error Correction; LT codes; Precoder; Raptor codes;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications (APCC), 2014 Asia-Pacific Conference on

Type

conf

DOI

10.1109/APCC.2014.7091647

Filename

7091647