Reliability Improvement for Simplex Communication Systems with Multiple Channels

The reliability of a communication system can be improved by using channel coding. Complex coding and decoding are often required to achieve high performance. An alternative approach is channel redundancy in which the same information is transmitted over two or more channels at the same time. In this way, the coding complexity required to achieve a given error probability can be appreciably reduced. However, a decoder is required for each channel. This paper describes a method which uses channel redundancy to obtain higher performance compared to similar systems and requires only one channel decoder