Title :
Symbol timing and channel estimation of IEEE802.11a based on OFDM
Author :
Chen, Ruiqi ; Hou, Chunping ; Guo, Jichang
Author_Institution :
Sch. of Electron. Inf. Eng., Tianjin Univ., China
Abstract :
In this paper a new symbol timing estimation scheme, that takes better advantage of the physical frames´ structure, is presented. Herein, We first discuss the mathematical methods of channel estimation technique with lower complexity, then give an efficient symbol timing and channel estimation algorithm for the high rate WLAN based on OFDM, using the packet preamble structure adopted by IEEE802.11a. The proposed algorithm offers preferable performance for high rate WLAN based on OFDM and may also be used in other OFDM system.
Keywords :
OFDM modulation; channel estimation; wireless LAN; IEEE802.11a; OFDM; carrier frequency offset; channel estimation; high rate WLAN; orthogonal frequency division multiplexing; packet preamble structure; physical frame structure; symbol timing estimation; wireless local area network; Bandwidth; Channel estimation; Frequency estimation; Frequency synchronization; Frequency-selective fading channels; Nonlinear distortion; OFDM; Robustness; Timing; Wireless LAN;
Conference_Titel :
Electrical and Computer Engineering, 2003. IEEE CCECE 2003. Canadian Conference on
Print_ISBN :
0-7803-7781-8
DOI :
10.1109/CCECE.2003.1226200
