NDLI: Bandwidth Efficient Multicarrier Realization of Rate-One Orthogonal Space-Time Block Coded Systems

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Bandwidth Efficient Multicarrier Realization of Rate-One Orthogonal Space-Time Block Coded Systems

Content Provider	Semantic Scholar
Author	Farhang-Boroujeny, Behrouz
Copyright Year	2004
Abstract	Space-time block codes based on orthogonal designs, which we refer to as orthogonal space-time block (OSTB) codes, have recently been proposed. It has been noted that when the number of transmit antennas is more than two, rate-one OSTB codes could only be designed for real-valued data symbols. Real-valued symbols form pulse amplitude modulated (PAM) sequences whose bandwidth efficient transmission is only possible through single side-band (SSB) modulation. In this paper, we identify the cosine modulated filter bank (CMFB) multicarrier modulation (MCM), CMFB-MCM, for short, as a bandwidth efficient method of implementing rate-one OSTB-coded systems over frequency selective channels. The impact of channel distortion on the received signal is studied, and a method of designing a zero-forcing equalizer that removes intersymbol interference (ISI) and interchannel interference (ICI) is developed. The statistical properties of noise samples at the detector input of the proposed OSTB-coded system are studied and found to be approximately white, thanks to the OSTB decoder spreading effect. The diversity order and signal-to-noise ratio (SNR) gain of the proposed system, as against a conventional single transmit and receive antenna system, are also studied and simple formulae are developed for them. Computer simulations that confirm the accuracy of the developed theoretical results are presented. Submitted to IEEE Transactions on Signal Processing, November 2003, Revised March 2004. This work has been partially presented in the IEEE International Conference in Communications, ICC'03, May 11-15, 2003, Anchorage, Alaska.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.ece.ualberta.ca/~hcdc/Library/mcstbc_sp2_r1.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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