Development of Turbo Code Error Detection and Correction Scheme for Wireless Telemedicine Video Transmission

Abstract

Transmission of medical images and videos to a distant location over a wireless network for a proper diagnosis of the patient is a core aspect of telemedicine. During data transmission over the wireless communication channel, noise and other impairments are introduced into data and this causes error in the transmitted data. Hence, there is a need for a method to detect and correct error which may lead to an erroneous diagnosis. Turbo codes happens to be the earliest error-correcting codes with the intention of establishing a dependable communications near the channel capacity with basically possible hardware. It has an excellent error correcting capabilities, which make it appropriate for many internet communications technology. This paper has come up with an effective and efficient method to detect and correct error encountered during the transmission of telemedicine video over the wireless channel with the use of a parallel concatenated Turbo code error detection and correction scheme. A MATLAB Simulation was carried out to investigate and demonstrate the performance of the proposed system. The performance of the developed system was taken at different ranges of SNR with BER, PSNR, MSE and the processing time of the decoders. The developed system was compared with when turbo code is not applied during transmission. The results of the simulation shows a better performance when turbo code was applied compared to when it was not applied.