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Conference Paper
Enhanced Automatic Gain Control using the Hybrid Gamma Parameter in the DVB-S2 System
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- Authors
- Cheon In Oh, Seung Hyun Choi, Dae Ig Jang, Duk Kil Oh
- Issue Date
- 2006-02
- Citation
- International Conference on Advanced Communication Technology (ICACT) 2006, pp.1167-1171
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In the DVB-S2, APSK modulation technique is being used. APSK needs more fast and accurate AGC because signal amplitude has information. This paper proposed the algorithm that uses the hybrid gamma-parameter for not only the high speed of convergence but also reducing the amount of jitter. In order to apply this method to system, parameter -changing-point should be found. This point depends on many factors. In this paper, the parameter-changing-point equation is induced heuristically. From the simulation results, it is found that the proposed technique satisfied the expectation.
- KSP Keywords
- Automatic Gain Control(AGC), DVB-S2, Fast and accurate, High Speed, Many factors, modulation technique, signal amplitude, simulation results, speed of convergence