The Optimization of Timing Recovery Loop for an MQASK All Digital Receivers 


Vol. 35,  No. 1, pp. 40-44, Jan.  2010


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  Abstract

The timing error detector(TED) employed in the closed loop type timing synchronization scheme for an MQASK all digital receiver suffers from the selfnoise-induced timing jitter. To eliminate the timing jitter a prefilter can be added in front of the TED. The prefilter method, however, degrades the stability and timing acquisition performance due to the loop delay and increases the complexity of the synchronizer. This paper proposes a polyphase filter type resampler approach to optimize the performance and architecture of the synchronizer simultaneously. The proposed scheme uses two resamplers which performs matched filtering and matched prefiltering so that the loop delay is minimized with minimal hardware resources. Simulation results showed an excellent acquisition performance with reduced timing jitter.

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  Cite this article

[IEEE Style]

K. Seo and C. Kim, "The Optimization of Timing Recovery Loop for an MQASK All Digital Receivers," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 1, pp. 40-44, 2010. DOI: .

[ACM Style]

Kwang-nam Seo and Chong-hoon Kim. 2010. The Optimization of Timing Recovery Loop for an MQASK All Digital Receivers. The Journal of Korean Institute of Communications and Information Sciences, 35, 1, (2010), 40-44. DOI: .

[KICS Style]

Kwang-nam Seo and Chong-hoon Kim, "The Optimization of Timing Recovery Loop for an MQASK All Digital Receivers," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 1, pp. 40-44, 1. 2010.