158 search results - page 19 / 32 » Cooperative OFDM Channel Estimation with Frequency Offsets |
VTC
2006
IEEE
14 years 3 months ago
2006
IEEE
— In Orthogonal Frequency Division Multiplexing (OFDM) systems, synchronization errors in the receiver cause a linear phase rotation at the output of the Discrete Fourier Transfo...
ICIP
2003
IEEE
14 years 10 months ago
2003
IEEE
Orthogonal Frequency Division Multiplexing (OFDM) has been adopted in many broadband wireless communication standards. In OFDM systems, channel estimation is a crucial module in co...
VTC
2006
IEEE
14 years 3 months ago
2006
IEEE
In this paper, two channel estimation schemes for OFDM systems are investigated in a time-variant channel. The orthogonality of the subcarriers is destroyed in a time-variant chann...
TWC
2008
13 years 8 months ago
2008
In this contribution, we propose a new code-aided synchronization and channel estimation algorithm for uplink MC-CDMA. The space alternating generalized expectationmaximization (SA...
TWC
2008
13 years 8 months ago
2008
Abstract-- This paper presents a reduced-complexity maximum a posteriori probability (MAP) channel estimator with iterative data detection for orthogonal frequency division multipl...