Optimum noncoherent multiuser detection for DPSK modulation in generalized diversity Rayleigh fading channels: an asymptotic minimum error probability analysis. - Matthias Brehler; Mahesh K. Varanasi (GLOBECOM, 2000)

Low-dimensional spreading matrices for multiuser space-time modulation. - Matthias Brehler; Mahesh K. Varanasi (ITW, 2001)

Asymptotic error probability analysis of quadratic receivers in Rayleigh-fading channels with applications to a unified analysis of coherent and noncoherent space-Time receivers. - Matthias Brehler; Mahesh K. Varanasi (IEEE Trans. Inf. Theory, 2001)

Signal design and convolutional coding for noncoherent space-time communication on the block-Rayleigh-fading channel. - Michael L. McCloud; Matthias Brehler; Mahesh K. Varanasi (IEEE Trans. Inf. Theory, 2002)

Optimum receivers and low-dimensional spreaded modulation for multiuser space-time communications. - Matthias Brehler; Mahesh K. Varanasi (IEEE Trans. Inf. Theory, 2003)

Optimum multiuser noncoherent DPSK detection in generalized diversity Rayleigh-fading channels. - Matthias Brehler; Mahesh K. Varanasi (IEEE Trans. Inf. Theory, 2003)

Leveraging Coherent Space-Time Codes for Noncoherent Communication Via Training. - Pranav Dayal; Matthias Brehler; Mahesh K. Varanasi (IEEE Trans. Inf. Theory, 2004)