Title :
DC offset estimation in OFDM based WLAN application
Author :
Marsili, Stefano
fDate :
29 Nov.-3 Dec. 2004
Abstract :
The effect of a DC offset on the OFDM wireless LAN (WLAN) signal could produce a severe performance degradation, especially for the high data rate transmission modes. Based on its analysis, it is shown which signal portion is most suitable for DC offset estimation. An analytical expression for the optimal estimator is given and finally efficient estimator implementations are derived.
Keywords :
OFDM modulation; channel estimation; wireless LAN; LTSP; OFDM wireless LAN; STSP; WLAN DC offset estimation; estimator implementations; high data rate transmission modes; long training sequence preamble; short training sequence preamble; Baseband; Decoding; Degradation; Filters; Frequency domain analysis; Frequency synchronization; OFDM; Signal analysis; Signal processing; Wireless LAN;
Conference_Titel :
Global Telecommunications Conference, 2004. GLOBECOM '04. IEEE
Print_ISBN :
0-7803-8794-5
DOI :
10.1109/GLOCOM.2004.1379023
