Space-time processing for broadband wireless access

We present an overview of research activities on space-time coding for broadband wireless transmission performed at AT&T Shannon Laboratory over the past two years. The emphasis is on physical layer modem algorithms such as channel estimation, equalization, and interference cancellation. However...

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Bibliographic Details
Published in:IEEE communications magazine 2002-09, Vol.40 (9), p.136-142
Main Authors: Al-Dhahir, N., Fragouli, C., Stamoulis, A., Younis, W., Calderbank, R.
Format: Magazinearticle
Language:English
Subjects:
Algorithms
Broadband
Cancellation
Channel estimation
Channels
Coding
Computer simulation
Engines
Equalization
Gain
Graphical user interfaces
Interference cancellation
Laboratories
Modems
Physical layer
Space time codes
Throughput
Wireless LAN
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Summary:We present an overview of research activities on space-time coding for broadband wireless transmission performed at AT&T Shannon Laboratory over the past two years. The emphasis is on physical layer modem algorithms such as channel estimation, equalization, and interference cancellation. However, we also discuss the impact of space-time coding gains at the physical layer on throughput at or above the networking layer. Furthermore, we describe a flexible graphical user interface attached to our physical layer simulation engine in order to explore the performance of space-time codes under a variety of practical transmission scenarios. Simulation results for the EDGE cellular system and the 802.11 wireless LAN environment are presented.
ISSN:0163-6804
1558-1896
DOI:10.1109/MCOM.2002.1031840