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Your search keyword '"Xi-Yin Wang"' showing total 2 results
Start Over Author "Xi-Yin Wang" Journal 2011 international conference on internet technology and applications
2 results on '"Xi-Yin Wang"'

1. Research on the Inter Carrier Interference Self-Cancellation Algorithms for the OFDM Systems

Author

Zi-Wei Zheng, Yang-Yang Chen, and Xi-Yin Wang

Subjects
Computer science, Orthogonal frequency-division multiplexing, business.industry, Interference (wave propagation), Communications system, Signal-to-noise ratio, Single antenna interference cancellation, Phase noise, Bit error rate, Wireless, ComputerSystemsOrganization_SPECIAL-PURPOSEANDAPPLICATION-BASEDSYSTEMS, Astrophysics::Earth and Planetary Astrophysics, Hardware_ARITHMETICANDLOGICSTRUCTURES, business, Algorithm
Abstract

Inter carrier interference (ICI) are widespread in the orthogonal frequency division multiplexing (OFDM) communication systems. This paper mainly discusses two ICI self-cancellation algorithms, the data-conversion based ICI self-cancellation algorithm and the data-conjugate based ICI self-cancellation algorithm. The properties and the application environments are also given. Simulation results show that the performance of the data-conversion based ICI self-cancellation algorithm is superior to the data-conjugate based ICI self-cancellation algorithm in mobile environment, while the data-conjugate based ICI self-cancellation algorithm self-cancellation algorithm has better bit error rate perfomence than the data-conversion based ICI self-cancellation algorithm in small phase noise circumstance.

Published
2011
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2. Research on the Improved Synchronization Method for the Distributed MIMO-OFDM Systems

Author

Xi-Yin Wang, Yang-Yang Chen, and Zi-Wei Zheng

Subjects
Scheme (programming language), Sequence, Computer science, Orthogonal frequency-division multiplexing, Real-time computing, MIMO, Frame (networking), Data_CODINGANDINFORMATIONTHEORY, MIMO-OFDM, Synchronization, Antenna (radio), Algorithm, computer, Computer Science::Information Theory, computer.programming_language
Abstract

This paper describes an improved timing synchronization algorithm for the distribued MIMO-OFDM systems with the CAZAC sequence. This algorithm uses a training sequence which is based on the CAZAC sequence and makes the frame timing objective function with sharper property and thus has good effects on the time delay estimation scheme for different antenna. The simulation results for the distribued MIMO-OFDM systems shows that the improved algorithm has higher accuracy than one of the conventional algorithm.

Published
2011
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