Improved weighting vector selection method in maximum ratio transmission over flat Rayleigh fading channels

We investigate the principle of maximum ratio transmission (MRT) for flat Rayleigh fading channels. Theoretical analysis indicates that the overall signal to noise ratio gain of MRT by using the multiple antennas for both transmission and reception can be maximized by selecting the weighting vector properly. It can be considered as an expansion of that presented by Lo (IEEE Trans. Comm. vol.47, no.10, p.1458-61, 1999).

[1]  A. Wittneben,et al.  A new bandwidth efficient transmit antenna modulation diversity scheme for linear digital modulation , 1993, Proceedings of ICC '93 - IEEE International Conference on Communications.

[2]  Titus K. Y. Lo.  Maximum ratio transmission , 1999, IEEE Trans. Commun..

[3]  A. Wittneben.  Basestation modulation diversity for digital simulcast , 1991, [1991 Proceedings] 41st IEEE Vehicular Technology Conference.

[4]  Siavash M. Alamouti,et al.  A simple transmit diversity technique for wireless communications , 1998, IEEE J. Sel. Areas Commun..

[5]  Zhigang Cao,et al.  On the tightness of signal to noise ratio gain bound of maximum ratio transmission , 2000, WCC 2000 - ICCT 2000. 2000 International Conference on Communication Technology Proceedings (Cat. No.00EX420).

[6]  Jack H. Winters,et al.  Two signaling schemes for improving the error performance of frequency division duplex (FDD) transmission systems using transmitter antenna diversity , 1994, Int. J. Wirel. Inf. Networks.

[7]  J. H. Winters,et al.  The diversity gain of transmit diversity in wireless systems with Rayleigh fading , 1994, Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications.