R. Pabst, Relay-based deployment concepts for wireless and mobile broadband radio, IEEE Communications Magazine, vol.42, issue.9, pp.80-89, 2004.
DOI : 10.1109/MCOM.2004.1336724

I. Kang, W. Sheen, R. Chen, S. Lin, and C. Hsiao, Throughput improvement with relay-augmented cellular architecture, pp.16-21

H. Bolcskei, R. U. Nabar, O. Oyman, and A. J. Paulraj, Capacity scaling laws in MIMO relay networks, IEEE Transactions on Wireless Communications, vol.5, issue.6, pp.1433-1444, 2006.
DOI : 10.1109/TWC.2006.1638664

H. Shi, T. Abe, T. Asai, and H. Yoshino, A relaying scheme using QR decomposition with phase control for MIMO wireless networks, Proc. Int. Conf. on Commun, pp.2705-2711, 2005.

H. Shi, T. Abe, T. Asai, and H. Yoshino, Relaying Schemes Using Matrix Triangularization for MIMO Wireless Networks, IEEE Transactions on Communications, vol.55, issue.9, pp.1683-1688, 2007.
DOI : 10.1109/TCOMM.2007.904356

S. O. Gharan, A. Bayesteh, and A. K. Khandani, Asymptotic Analysis of Amplify and Forward Relaying in a Parallel MIMO Relay Network, IEEE Transactions on Information Theory, vol.57, issue.4, 2011.
DOI : 10.1109/TIT.2011.2111650

Y. Zhang, H. Luo, and W. Chen, Efficient Relay Beamforming Design With SIC Detection for Dual-Hop MIMO Relay Networks, IEEE Transactions on Vehicular Technology, vol.59, issue.8, pp.4192-4197, 2005.
DOI : 10.1109/TVT.2010.2065249

T. Yoo and A. Goldsmith, Capacity and power allocation for fading MIMO channels with channel estimation error, IEEE Trans. Inf. Theory, vol.52, issue.5, pp.2203-2214, 2006.

B. Hassibi and B. M. Hochwald, How much training is needed in multiple-antenna wireless links?, IEEE Transactions on Information Theory, vol.49, issue.4, pp.951-963, 2003.
DOI : 10.1109/TIT.2003.809594

Z. Wang, W. Chen, and J. Li, Efficient Beamforming for MIMO Relaying Broadcast Channel With Imperfect Channel Estimation, IEEE Transactions on Vehicular Technology, vol.61, issue.1, pp.419-426, 2012.
DOI : 10.1109/TVT.2011.2173590

M. Zhang, H. Yi, H. Yu, H. Luo, and W. Chen, Joint Optimization in Bidirectional Multi-User Multi-Relay MIMO Systems: Non-Robust and Robust Cases, IEEE Transactions on Vehicular Technology, vol.62, issue.7, 2013.
DOI : 10.1109/TVT.2013.2255898

R. Mo, Y. H. Chew, and C. Yuen, Information rate and relay precoding design for amplify-and-forward MIMO relay networks with imperfect channel state information, IEEE Trans. Vehicular Technology, pp.3958-3968, 2012.

A. D. Dabbagh and D. J. Love, Multiple antenna MMSE based downlink precoding with quantized feedback or channel mismatch, IEEE Transactions on Communications, vol.56, issue.11, pp.1859-1868, 2008.
DOI : 10.1109/TCOMM.2008.060677

J. K. Zhang, A. Kavcic, and K. M. Wong, Equal-diagonal QR decomposition and its application to precoder design for successive-cancellation detection, IEEE Transactions on Information Theory, vol.51, issue.1, pp.154-172, 2005.
DOI : 10.1109/TIT.2004.839475

C. Peel, B. Hochwald, and A. Swindlehurst, A Vector-Perturbation Technique for Near-Capacity Multiantenna Multiuser Communication???Part I: Channel Inversion and Regularization, IEEE Transactions on Communications, vol.53, issue.1, pp.195-202, 2005.
DOI : 10.1109/TCOMM.2004.840638

B. M. Hochwald, C. B. Peel, and A. L. Swindlehurst, A Vector-Perturbation Technique for Near-Capacity Multiantenna Multiuser Communication??? Part II: Perturbation, IEEE Transactions on Communications, vol.53, issue.3, 2005.
DOI : 10.1109/TCOMM.2004.841997