Application of Quasi-Orthogonal Space-Time-Frequency Codes in MB-OFDM UWB

This paper examines the application of Quasi- Orthogonal Space-Time-Frequency Codes (QOSTFCs) to advance either data rate or error performance in recently proposed Space-Time-Frequency Coded Multiband OFDM Ultra- Wideband (STFC MB-OFDM UWB) communications systems. It is shown that QOSTFCs can provide significantly better error performance, compared to the conventional MB-OFDM UWB (without STFCs) and to the Orthogonal STFCs (OSTFCs) of the same order, at the same data rate, without increasing the total transmission power. In other words, QOSTFCs can provide higher data rates with the same error performance, compared to OSTFCs.

[1]  A. Mertins,et al.  On the use of Quasi-Orthogonal Space-Time-Frequency Codes in MB-OFDM UWB , 2008, 2008 Second International Conference on Communications and Electronics.

[2]  K. J. Ray Liu,et al.  Multiband-OFDM MIMO coding framework for UWB communication systems , 2006, IEEE Transactions on Signal Processing.

[3]  E. Dutkiewicz,et al.  Space-Time-Frequency Codes in MB-OFDM UWB communications: advanced order-8 STFC and its performance , 2007, 2007 International Symposium on Communications and Information Technologies.

[4]  A. Robert Calderbank,et al.  Space-Time Codes for High Data Rate Wireless Communications : Performance criterion and Code Construction , 1998, IEEE Trans. Inf. Theory.

[5]  L. C. Tran,et al.  Application of Quasi-Orthogonal Space-Time-Frequency Codes in MB-OFDM UWB , 2010, 2008 IEEE International Conference on Ultra-Wideband.

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

[7]  Hamid Jafarkhani.  A quasi-orthogonal space-time block code , 2001, IEEE Trans. Commun..

[8]  Tan-Hsu Tan,et al.  Performance of space-time block coded MB-OFDM UWB systems , 2006, 4th Annual Communication Networks and Services Research Conference (CNSR'06).

[9]  Alfred Mertins,et al.  Space-Time-Frequency Code implementation in MB-OFDM UWB communications: Design criteria and performance , 2009, IEEE Transactions on Wireless Communications.

[10]  A. Robert Calderbank,et al.  Novel full-diversity high-rate STBC for 2 and 4 transmit antennas , 2006, IEEE Communications Letters.

[11]  Ari Hottinen,et al.  Square-matrix embeddable space-time block codes for complex signal constellations , 2002, IEEE Trans. Inf. Theory.

[12]  Le Chung Tran.  Complex Orthogonal Space-Time Processing in Wireless Communications , 2006 .

[13]  Ha H. Nguyen,et al.  High-rate space-time block coding schemes , 2008, ICC 2008.