Title :
A novel channel identification method for fast wireless communication systems
Author :
Xu, H. ; Dasgupta, S. ; Ding, Z.
Author_Institution :
Dept. of Electr. & Comput. Eng., Iowa Univ., Iowa City, IA, USA
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
Keywords :
channel bank filters; data communication; feedback; identification; land mobile radio; parameter estimation; radio links; radio networks; time-varying channels; bent-pipe feedback mechanism; channel estimation; channel identification method; dual channel identification; effective algorithm; fast time-varying wireless communication systems; filter-bank decomposition; forward channel; high data rate wireless communication; mobile unit; received signal; reverse channel; reverse-link training; wireless channel identification; Bandwidth; Base stations; Cities and towns; Data communication; Feedback; Frequency; Internet; Time varying systems; Transmitters; Wireless communication;
Conference_Titel :
Communications, 2001. ICC 2001. IEEE International Conference on
Conference_Location :
Helsinki
Print_ISBN :
0-7803-7097-1
DOI :
10.1109/ICC.2001.936585
