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ASME Press Select Proceedings

International Conference on Mechanical Engineering and Technology (ICMET-London 2011)

Editor
Garry Lee
Garry Lee
Information Engineering Research Institute
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ISBN:
9780791859896
No. of Pages:
906
Publisher:
ASME Press
Publication date:
2011

In the distributed multiple input multiple output orthogonal frequency division multiplexing (MIMO-OFDM) systems, different frames from different transmitters are not aligned in the time domain, and have different carrier frequency offsets (CFOs). Estimation of these time offsets and multiple CFOs is a crucial and challenging task. In this contribution, a new preamble structure is proposed, and the corresponding time and frequency offsets estimation algorithms are also presented for distributed MIMO-OFDM systems. The coarse timing synchronization is accomplished by using the symmetric conjugate of the training symbol and the fine timing synchronization is accomplished by moving correlation. The fractional frequency offset...

Abstract
Keywords
Introduction
Signal Model
Time and Frequency Offset Estimation in Distributed MIMO-OFDM Systems
Simulation Results
Conclusion
Acknowledgment
References
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