Adaptive Spatial Equalisation in S-UMTS Systems
Jörgen Nordberg, Sven Erik Nordholm, Ingvar Claesson, Abbas Hameed Mohammed · 1998
Today there is an increasing demand for a higher signal rate in both the existing and future mobile communication system. With higher signal rate, the intersymbol interference (ISI) problem will also increase. In this paper, a Spatial Adaptive Constant Modulus Algorithm (SA-CMA) Equaliser will be presented that will compensate for the ISI problem. A Least-Mean-Squared (LMS) solution will be also presented for comparison purpose. Different schemes such as fractionally spaced equaliser and symbol rate equaliser will be also presented and compared for both the CMA and LMS algorithms.