Interpolation in Symbol Synchronization and Its Implementation

Liu Ning

Volume 27 Issue 4

Apr. 2005

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Jing Long-jiang, Lin Jing-li, Zhu Wei-le . A Class of High-Rate Low-Complexity QC-LDPC Codes[J]. Journal of Electronics & Information Technology, 2008, 30(6): 1385-1389. doi: 10.3724/SP.J.1146.2006.01738

Citation:

Liu Ning . Interpolation in Symbol Synchronization and Its Implementation[J]. Journal of Electronics & Information Technology, 2005, 27(4): 592-594.

Citation:

Liu Ning . Interpolation in Symbol Synchronization and Its Implementation[J]. Journal of Electronics & Information Technology, 2005, 27(4): 592-594.

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Interpolation in Symbol Synchronization and Its Implementation

Liu Ning

Received Date: 2003-11-04
Rev Recd Date: 2004-07-30
Publish Date: 2005-04-19

Abstract

Abstract

The sampling time of the receiver might miss the best decision point when sampling clock is fixed and rate of sampling is limited. Under this circumstances, symbol decision is affected badly by ISI. In this paper, a method of enhancing the precision of symbol synchronization using interpolator is introduced based on theory of digital interpolation, and the feature of the interpolation filter and its efficient implementation structure based on polyphase decomposition is discussed.

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References(1)

References

Gardner F M. Interpolation in digital modems-Part Ⅰ:Fundamentals [J].IEEE Trans. on Commun.1993, 41(3):501-[2]Proakis J G. Digital Communications. Fourth Edition, New York:McGraw- Hill Companies Inc, 2001: 559 - 561.[3]Crochiere R E, Rabiner L R. Interpolation and decimation of digital dignals-A tutorial review[J].Proc IEEE.1981, 69(3):300-[4]宗孔德.多抽样率信号处理.北京:清华大学出版社,1996:37-47.[5]Xilinx Inc. Virtex-Ⅱ Platform FPGA Handbook. San Jose, CA.,2001.

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