New method for continuous speech encryption. - Khalil Dolatyar; Lotfollah Beygi Harchegani (ICASSP, 2002)

New sphere decoding for block space-time codes. - Lotfollah Beygi Harchegani; Ali Reza Ghaderipoor; Seyed Hamidreza Jamali; Khalil Dolatyar (ICASSP, 2002)

Lattice decoding for space-time codes with new approach. - Khalil Dolatyar; Lotfollah Beygi Harchegani; Ali Olfat (PIMRC, 2002)

A new lattice decoding for space time block codes with low complexity. - Lotfollah Beygi Harchegani; Ali Reza Ghaderipoor; Khalil Dolatyar; Seyed Hamidreza Jamali (PIMRC, 2002)