Effect of Random Jitter on Performance of LDPC

Zhi Jie Wang; Yan Yan Hao; Hui Lian

doi:10.4028/www.scientific.net/AMM.380-384.3513

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 380-384Effect of Random Jitter on Performance of LDPC

Effect of Random Jitter on Performance of LDPC

Abstract:

Low density parity check codes (LDPC) by now is an excellent channel code that approaches Shannons limit. In order to get the effect of random jitter on performance of LDPC, a simulation model is constructed in this paper. Interpolation, filter delay and decimation methods are used to simulate random jitter induced by circuits of the receiver, changing filter delay to control the jitter step length. Thus the bit error rate of LDPC decoder is gotten that shows the sensitivity of LDPC to synchronization jitter. This paper concludes that, complying with channel coding block in DVB-S2, the bit error rate of LDPC decoder goes up on an exponential trend with the effect of random jitter simulation.

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Periodical:

Applied Mechanics and Materials (Volumes 380-384)

Pages:

3513-3516

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.380-384.3513

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Online since:

August 2013

Authors:

Zhi Jie Wang, Yan Yan Hao, Hui Lian

Keywords:

Digital Videobroadcast Standard Generation 2 (DVB-S2), Jitter, Low-Density Parity-Check (LDPC)

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