Implementation of a HIPERLAN/1 compatible CMF-DFE equaliser

The channel matched filter decision feedback equaliser (CMF-DFE) is a high performance equalisation method with reduced computational complexity, which is essential for high-speed communication systems with severe intersymbol interference. The method exploits the fact that matched filtering of a wideband channel results in a symmetrical channel profile centred on a real-valued peak while exploiting multipath diversity. This paper describes the implementation of a HIPERLAN/1 compatible equaliser using the CMF-DFE method. The performance of the implemented algorithm and the implementation benchmarks are given for the HIPERLAN/1 standard. Results are also given for a number of different modulation schemes.