应用于G3-PLC的帧同步算法的设计与实现

Abstract

Abstract:

The large number of subcarriers in G3-PLC system causes too many samples of preamble in time domain.Traditional synchronization algorithm based on cross-correlation needs large operations and is hard to realize when used in this system.According to the characteristic of preamble in G3-PLC,a new synchronization algorithm is put forward,which reduces the operation by two orders in magnitude with slight performance degradation.The algorithm is realized in FPGA.

Key words: G3-PLC;synchronization;FPGA

CLC Number:

TN915.04

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LI Shu-Qing, FENG Heng. Design and Realization of Frame Synchronization Used in G3-PLC[J]., 2012, 25(5): 137-.

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URL: https://journal.xidian.edu.cn/dzkj/EN/

https://journal.xidian.edu.cn/dzkj/EN/Y2012/V25/I5/137

References

［1］Maxim Integrated Products.Supplement to PLC G3 physical layer specification for operation in CENELEC B/C/BC/D/BCD/BD frequency bands［M］.USA:Maxim Integrated Products,2009.

［2］ERDF.PLC G3 physical layer specification［M］.Erdf,2009.

［3］TIMOTHY M S,DONALD C C.Robust frequency and timing synchronization for OFDM［C］.IEEE Transactions on Communications,1997,45(12):1613-1621.

［4］HLAING M,VIJAY K B,KHALED B L.A robust timing and frequency synchronization for OFDM systems［C］.Transactions on Wireless Communications,2003,2(4):822-839.

［5］KISHORE C N,REDDY V U.A new method of frame synchronization and frequency offset estimation in OFDM system［C］.International Conference on Signal Processing and Communications (SPCOM),2004.

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Design and Realization of Frame Synchronization Used in G3-PLC

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