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An adaptive carrier synchronization technique for robust 8-VSB DTV reception
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- Authors
- Yong-Tae Lee, Soon Chan Kwon, Homin Eum, Seung Won Kim, Jong Soo Seo
- Issue Date
- 2005-02
- Citation
- IEEE Transactions on Consumer Electronics, v.51, no.1, pp.33-40
- ISSN
- 0098-3063
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- In this paper, an adaptive digital Frequency Phase Locked Loop (FPLL) algorithm is proposed to improve the carrier recovery performance of 8-VSB receiver. The proposed carrier synchronization technique not only provides a robust 8-VSB DTV reception in fixed and indoor environments, but also makes it possible to watch the HDTV in portable environment. This is because the proposed technique dramatically reduces tracking jitter and acquisition time and enlarges acquisition range by adopting a sign detector, pilot extract filter bank, adaptive lock detector, mode selector, and loop filter bank to the conventional FPLL algorithm. © 2005 IEEE.
- KSP Keywords
- Carrier Synchronization, Digital frequency, Indoor Environment, Lock Detector, Mode Selector, Recovery performance, acquisition time, carrier recovery, filter bank, loop-filter(LF), phase-locked loop(PLL)