Title :
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
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;
Conference_Titel :
Communications (APCC), 2014 Asia-Pacific Conference on
DOI :
10.1109/APCC.2014.7091647
