Analysis and optimization of an adaptive go-back-N ARQ protocol for time-varying channels. - Annamalai Annamalai; Lorenz Freiberg; Vijay K. Bhargava (PIMRC, 1997)

Crest factor reduction using orthogonal spreading codes in multi-carrier CDMA systems. - Lorenz Freiberg; Annamalai Annamalai; Vijay K. Bhargava (PIMRC, 1997)