Efficient Error Correction Mechanism in Mobile Computing System

Abstract

Traditionally, mobile communication system is must be designed to cope with data transmission errors that may be introduced due to attenuation, noise and fading. Network protocols have been designed around the conventional metrics of throughput and latency. However, a proper design of these protocols offers many opportunities for optimising the design metric that is more relevant to battery operated devices: the amount of energy consumed per useful user level bit transmitted across the wireless link. Since high error rates are inevitable to the wireless environment, energy efficient error-control is an important issue for mobile computing systems. This includes energy spent in the physical radio transmission process, as well as energy spent in computation, such as signal processing and error control at the transmitter and the receiver. Since high error rates are inevitable in the wireless environment, energy efficient error control is an important issue for mobile computing systems. When error-correction mechanisms are implemented on general-purpose processors the power consumption that is required to perform the error correction mechanism can be significant. These two methods, Parity code and Reed Solomon code, error correction mechanisms with different characteristics and capabilities will be used.