Jawad Mirza, Peter J. Smith, Mansoor Shafi, Pawel A. Dmochowski, Abdulla Firag, Apostolos Papathanassiou. Double-Cap Differential Codebook Structure for MU MISO Systems in Correlated Channels. IEEE Wireless Commun. Letters, 3(4):441-444, 2014. [doi]
Abstract is missing.