Performance Analysis Using the Two Kinds of Receiving Gain of Smart Antenna in IS20001X System

In order to achieve the diversity gain with antenna arrays for moderate angle spread, we propose a beamforming algorithm that utilizes multiple eigenvectors, and apply this beamforming technique to IS2000 1X systems equipped with antenna arrays under a time-varying multipath fading channel environment. In the proposed beamforming method, the channel vector has been estimated using two basis vectors. Since the proposed beamforming algorithm utilizes two-dimensional signal subspace, it provides better performance than the conventional beamforming algorithm, which uses one beamforming signal space.