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Registered FREQUENCY ERROR ESTIMATOR USING SECOND-ORDER LOOP FILTER AND OPERATING METHOD OF THE FREQUENCY ERROR ESTIMATOR
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FREQUENCY ERROR ESTIMATOR USING SECOND-ORDER LOOP FILTER AND OPERATING METHOD OF THE FREQUENCY ERROR ESTIMATOR
- Inventors
- Seo Seok, Jee Deockgu, Jo Gweon Do, Kim Hyung Jung, Kim Jinup
- Application No.
- 12256112 (2008.10.22)
- Publication No.
- 20090154619 (2009.06.18)
- Registration No.
- 8229046 (2012.07.24)
- Country
- UNITED STATES
- Project Code
- 07MM1300, Development of Adaptive Radio Access and Transmission Technologies for 4th Generation Mobile Communications, Kim Jinup
- Abstract
- A frequency error estimator and an operating method of the frequency error estimator are provided. In the frequency error estimator and the operating method of the frequency error estimator, a frequency error between a transmitter and a receiver of a mobile communication system using a reference code is calculated, thereby improving the precision of estimation while reflecting variations in frequency over time.
- KSP Keywords
- Communication system, Error estimator, Over time, frequency error(FE), loop-filter(LF), mobile communication, mobile communication system, second-order