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GLOBECOM
2007
IEEE
13 years 7 months ago
Doppler Spread Estimation for Broadband Wireless OFDM Systems
Abstract— In this paper, we present a new Doppler spread estimation algorithm for broadband wireless orthogonal frequency division multiplexing (OFDM) systems with time-varying a...
Jun Tao, Jingxian Wu, Chengshan Xiao
GLOBECOM
2007
IEEE
14 years 1 months ago
Recursive Sliding-Window LMMSE-Based Equalization in Wireless Mobile Coded OFDM
— Orthogonal frequency division multiplexing (OFDM) system suffers extra performance degradation in fast fading channels due to intercarrier interference (ICI). Combining frequen...
Daniel N. Liu, Michael P. Fitz
ICC
2007
IEEE
105views Communications» more  ICC 2007»
14 years 1 months ago
Phase Noise Suppression for OFDM Systems Over Fast Time-Varying Channels
— This paper derives a phase-noise suppression scheme for orthogonal frequency division multiplexing (OFDM) systems. This scheme is a maximum likelihood approach that exploits th...
O. Can Ozdural, Huaping Liu
VTC
2006
IEEE
14 years 1 months ago
MC-CDMA HARQ with Variable Spreading Factor
This paper presents a hybrid automatic repeat request (HARQ) with variable spreading factor (VSF) suitable for a multicarrer code division multiple access (MC-CDMA). We consider a ...
Shinsuke Takaoka, Haris Gacanin, Fumiyuki Adachi
WCNC
2008
IEEE
14 years 1 months ago
Iterative Detection of Three-Stage Concatenated FFH-MFSK
Abstract— Serially concatenated and iteratively decoded Irregular Variable Length Coding (IrVLC) combined with precoded Fast Frequency Hopping (FFH) M-ary Frequency Shift Keying ...
Sohail Ahmed, Robert G. Maunder, Lie-Liang Yang, L...