Pendse, Ravi; Hiren, G.; Sawan, M. Edwin; Qasaymeh, M.M.; Nizar, T.
(IEEE, 2009-05-11)
Estimating the channel state information (CSI) of several transmitters that use orthogonal space-time block codes (OSTBC) to communicate with a single receiver is considered. Based on rank revealing QR (RRQR) factorization ...