Blind channel identification for multirate CDMA systems
Hongbo Yan, Sumit Roy · 2002
In this paper, we propose a unified approach to blindly identify channels for multirate CDMA systems-both multiple code (MC) and variable processing gain (VPG) systems are considered. A time-domain subspace approach to blind channel estimation introduced in Torlak and Xu (1997) is generalized to the multi-rate case. Performance evaluation is conducted based on the normalized root mean square error (NRMSE) with an appropriate single-rate as a baseline for comparison.