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http://dx.doi.org/10.5909/JBE.2010.15.2.182

A Simple Carrier Frequency Recovery Scheme for DVB-S2 Systems  

Oh, Jong-Kyu (Konkuk Univ. Dept. of Electronic Engineering)
Yoon, Eun-Chul (Konkuk Univ. Dept. of Electronic Engineering)
Kim, Joon-Tae (Konkuk Univ. Dept. of Electronic Engineering)
Publication Information
Journal of Broadcast Engineering / v.15, no.2, 2010 , pp. 182-191 More about this Journal
Abstract
In this paper, a simple Carrier Frequency Recovery(CFR) scheme is introduced. In relating the use of consumer-grade equipment and satellite transmission environments, carrier frequency recovery have to recovery a large initial Carrier Frequency Offset(CFO), which is 20% normalized CFO, for DVB-S2 receivers. For these reasons, conventional CFR schemes for DVB-S2 systems need significant hardware complexity. Introduced CFR scheme employs Fitz algorithm for coarse CFR and recovers a coarse CFO accurately, and a simple pilot block correlation algorithm is employed for fine CFR. Introduced scheme reduce the number of multiplication operations by 80% and does not need any additional memory without degrading the achievable performance.
Keywords
Carrier Frequency Recovery; Carrier Synchronization; DVB-S2 Systems;
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  • Reference
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