Bi-conjugate gradient based computation of weight vector in space-time adaptive processing

Space-time adaptive processing

Space-time equalization using conjugate-gradient algorithm in WCDMA downlink

In the downlink of the Wideband Code Division Multiple-Access (WCDMA) system users are separated by means of Orthogonal Variable Spreading Factor codes. The orthogonality of the users is lost in multipath channels causing multiple access interference which limits the system capacity and the availability of high data rate services. To suppress the interference in the downlink, it has been propos...

Space-Time Adaptive Processing: Fundamentals

In this lecture, we present the principles of space-time adaptive processing (STAP) for radar, applied to moving target indication. We discuss the properties of optimum STAP, as well as problems associated with estimating the adaptive weights not encountered with spatial-only processing (i.e. beamforming).

Space-Time Adaptive Processing: Algorithms

In this lecture, we present some suboptimum STAP algorithms for radar, applied to moving target indication. In addition, we show some MTI results obtained with the multi-channel airborne experimental radar AER-II of FGAN-FHR.

Radar Space-Time Adaptive Processing

Space-time adaptive processing (STAP) is a signal processing technique that was originally developed for detecting slow-moving targets using airborne radars. The general principle of STAP is as follows. The radar transmits a train of M coherent pulses. The echoes from potential targets (and clutter) are collected at each of the N elements of an antenna array. Separate receiver chains are attach...