Survey on Enhanced Compressed P-Coding for Energy Efficient Transmission in Mobile Ad Hoc Networks

One of the important issue in MANETs is energy saving. Recent studies show that Network coding can reduces energy consumption by less transmission in MANETs. Encryption/decryption, transmission cost and transmission time are worked as source of energy consumption in MANETs. Network coding provides intrinsic security based on which encryption can be done quite efficiently, but to provide security for MANETs symmetric key algorithms are not sufficient. This paper introduce new scheme of energy saving called Enhanced Lightweight P-Coding (ELP) proposed for MANETs, with network coding which improves throughput, transparency, security and energy efficiency. The basic idea is, let the source compress the coded message (which is prefixed with its coded vector) using Enhanced LZW algorithm and hence due to compression and without knowing the permutation, eavesdropper cannot decode the message. Data compression technique can reduce transmission time that consumes less bandwidth and low power. Thus Enhanced lightweight P-Coding consist minimal energy consumption as compare to other encryption/decryption methods.