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ASME Press Select Proceedings
International Conference on Mechanical and Electrical Technology, 3rd, (ICMET-China 2011), Volumes 1–3
Yi Xie
Yi Xie
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ASME Press
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Single-carrier modulation has been applied widely in wireless systems. However, the traditional time domain equalization (TDE) based on the direct decision feedback equalization is complex, especially when SC and multi-carrier are compatible in a system. In this paper, a novel frequency domain equalizer (FDE) is proposed for the PN-based SC system. This method can simplify the calculation based on LMS algorithm and the PN extension is used to initialize DFE, which have advantages in the convergence speed. Simulation results show that a significant improvement in terms of BER is expected for the new method compared with the linear FDE. Moreover, this method can share the same block diagram and common functions with OFDM system.

Key Words
1 Introduction
2. System Model of PN-Based SC Modulation
3 . Circular Convolution Property Analysis
4. Proposed FDE Equalization Scheme
5. Simulation Results
6. Conclusion
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