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TWC
2010
13 years 2 months ago
Reduced-complexity baseband compensation of joint Tx/Rx I/Q imbalance in mobile MIMO-OFDM
Direct-conversion multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) transceivers enjoy high data rates and reliability at practical implementati...
Balachander Narasimhan, Sudharshan Narayanan, Hlai...
ICC
2007
IEEE
129views Communications» more  ICC 2007»
14 years 1 months ago
A Factor Graph Approach to the Iterative Detection of OFDM Signals in the Presence of Carrier Frequency Offset and Phase Noise
—This paper provides a new iterative solution to the problem of the joint estimation of phase noise and residual carrier frequency offset in an orthogonal frequency division mult...
Filippo Zuccardi Merli, Giorgio Matteo Vitetta
ICC
2007
IEEE
110views Communications» more  ICC 2007»
14 years 1 months ago
On the Impact of Carrier Frequency Offsets in OFDM/SDMA Systems
— The combined OFDM/SDMA approach has raised lots of research interests recently as it appears to be quite suitable for future broadband wireless transmission. In order to build ...
Sheng Zhou, Kai Zhang, Zhisheng Niu
ICASSP
2011
IEEE
12 years 11 months ago
Robust frequency synchronization for an OFDMA uplink system disturbed by a Cognitive Radio system interference
In Cognitive Radio (CR) systems, spectrum sensing plays a key role to determine the free frequency bands. However, when the primaryuser (PU) signal spectrum exhibits localized fad...
Hector Poveda, Guillaume Ferre, Eric Grivel
ICASSP
2011
IEEE
12 years 11 months ago
Single-carrier systems with MMSE linear equalizers: Performance degradation due to channel and CFO estimation errors
We assess the impact of the channel and carrier frequency offset (CFO) estimation errors on the performance of singlecarrier systems with MMSE linear equalizers. Performance degra...
Athanasios P. Liavas, Despoina Tsipouridou