A novel channel identification method for fast wireless communication systems
Xu, H.
Dasgupta, S.
Ding, Z.
Dept. of Electr. & Comput. Eng., Iowa Univ., Iowa City, IA, USA;
This paper appears in: Communications, 2001. ICC 2001. IEEE International Conference on Publication Date: 11-14 June 2001
Volume: 8
On page(s):
2443
- 2448 vol.8
Meeting Date: 06/11/2001
- 06/14/2001
Location: Helsinki
ISBN: 0-7803-7097-1
Digital Object Identifier: 10.1109/ICC.2001.936585
Current Version Published: 2002-08-07
Abstract
We present a novel dual channel identification approach for fast time-varying wireless communication systems. Unlike traditional channel methods that rely on training symbols, we propose a bent-pipe feedback mechanism which requires the mobile unit to send portions of its received signal back to the transmitter for wireless channel identification. Using a filter-bank decomposition concept, we introduce an effective algorithm that can identify both the forward and the reverse channels based only on this feedback information without reverse-link training. This new method has great potential in the design of future high data rate wireless communication systems
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