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» Cooperative OFDM Channel Estimation with Frequency Offsets
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ICASSP
2008
IEEE
14 years 2 months ago
OFDM for underwater acoustic communications: Adaptive synchronization and sparse channel estimation
A phase synchronizationmethod, which provides non-uniform frequency offset compensation needed for wideband OFDM [1], is coupled with low-complexity channel estimation in the time...
Milica Stojanovic
TWC
2008
113views more  TWC 2008»
13 years 7 months ago
OFDM Carrier Synchronization Based on Time-Domain Channel Estimates
Carrier frequency synchronization is critical to the quality of signal reception in OFDM systems. This paper presents an approximate maximum-likelihood (ML) carrier frequency offse...
Hao Zhou, Amaresh V. Malipatil, Yih-Fang Huang
TWC
2008
137views more  TWC 2008»
13 years 7 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...
ICC
2007
IEEE
118views Communications» more  ICC 2007»
14 years 2 months ago
Subspace-based OFDM Carrier Frequency Offset Estimation in the Presence of DC Offset
Abstract—In an OFDM receiver with direct-conversion architecture, DC offset (DCO) and carrier frequency offset (CFO) cause a severe performance degradation. Recently, by investig...
Hai Lin, Takeshi Nakao, Weiming Lu, Katsumi Yamash...
GLOBECOM
2006
IEEE
14 years 1 months ago
Blind Carrier Frequency Offset Estimation for OFDM Systems with DC Offset
Hai Lin, H. M. S. B. Senevirathna, Katsumi Yamashi...