On low rank MVDR beamforming using the conjugate gradient algorithm. - Ernesto L. Santos; Michael D. Zoltowski (ICASSP (2), 2004)

Power spectrum estimation with low rank beamforming. - Ernesto L. Santos; Michael D. Zoltowski (GLOBECOM, 2005)

Spatial power spectrum estimation based on a MVDR-MMSE-MUSIC hybrid beamformer. - Ernesto L. Santos; Michael D. Zoltowski (ICASSP (4), 2005)

IDMR Beamforming Under Direction-Independent Sterring Vector Mismatch. - Ernesto L. Santos; Michael D. Zoltowski (ICASSP (4), 2006)

Indirect Dominant Mode Rejection: A Solution to Low Sample Support Beamforming. - Ernesto L. Santos; Michael D. Zoltowski; Muralidhar Rangaswamy (IEEE Trans. Signal Process., 2007)