Title :
Channel estimation and adaptive power allocation for performance and capacity improvement of multiple-antenna OFDM systems
Author :
Tung, Tai-Lai ; Yao, Kung ; Hudson, R.E.
Author_Institution :
GlobeSpan Inc., Irvine, CA, USA
Abstract :
We describe several techniques for the analysis and design of OFDM multiple-antenna systems, which include channel estimation and tracking, optimal training sequences for initial channel acquisition, and adaptive power allocation with closed-loop updating of channel state information for capacity improvement
Keywords :
OFDM modulation; adaptive antenna arrays; adaptive control; channel capacity; identification; packet radio networks; power control; telecommunication control; tracking; OFDM; adaptive power allocation; capacity improvement; channel estimation; channel state information; closed-loop updating; initial channel acquisition; multiple-antenna systems; optimal training sequences; performance; tracking; Bandwidth; Channel estimation; Channel state information; Frequency response; Information analysis; OFDM; Receiving antennas; Sampling methods; Time varying systems; Transmitting antennas;
Conference_Titel :
Wireless Communications, 2001. (SPAWC '01). 2001 IEEE Third Workshop on Signal Processing Advances in
Conference_Location :
Taiwan
Print_ISBN :
0-7803-6720-0
DOI :
10.1109/SPAWC.2001.923849
