Sciweavers

92 search results - page 5 / 19
» Timing and frequency synchronization for OFDM based cooperat...
Sort
View
ICC
2008
IEEE
139views Communications» more  ICC 2008»
15 years 4 months ago
OFDM Based Distributed Space Time Coding for Asynchronous Relay Networks
— Recently Li and Xia have proposed a transmission scheme for wireless relay networks based on the Alamouti space time code and orthogonal frequency division multiplexing to comb...
G. Susinder Rajan, B. Sundar Rajan
ICASSP
2011
IEEE
14 years 1 months ago
Training design in single relay AF cooperative systems with correlated channels
In this paper, training design is studied for a single relay amplify-and-forward cooperative network. The taps of the frequency selective channels are assumed to be correlated and...
Christos Mavrokefalidis, Athanasios A. Rontogianni...
78
Voted
TWC
2008
137views more  TWC 2008»
14 years 9 months ago
Ml joint CFO and channel estimation in OFDM systems with timing ambiguity
This letter addresses the problem of joint estimation of carrier frequency offset (CFO) and channel for OFDM systems in the presence of timing ambiguity. Based on two signal models...
Jianwu Chen, Yik-Chung Wu, Shaodan Ma, Tung-Sang N...
66
Voted
ICC
2007
IEEE
303views Communications» more  ICC 2007»
15 years 3 months ago
Frequency Domain Channel Estimation for OFDM Based on Slepian Basis Expansion
Abstract—In this paper we propose a low complexity frequency domain channel estimator for pilot-symbol-assisted (PSA) orthogonal frequency division multiplexing (OFDM) systems in...
Jinho Kim, Chih-Wei Wang, Wayne E. Stark
TSP
2008
178views more  TSP 2008»
14 years 9 months ago
Monte Carlo Methods for Channel, Phase Noise, and Frequency Offset Estimation With Unknown Noise Variances in OFDM Systems
In this paper, we address the problem of orthogonal frequency-division multiplexing (OFDM) channel estimation in the presence of phase noise (PHN) and carrier frequency offset (CFO...
F. Septier, Yves Delignon, A. Menhaj-Rivenq, Chris...