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http://dx.doi.org/10.5139/JKSAS.2010.38.7.709

Effect Analysis of Guard Band and Quantization Level on BER Performance in OBP Satellite Systems  

Kang, Ki-Wan (한양대학교 전자통신공학부)
Yoon, Dong-Weon (한양대학교 전자통신공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.38, no.7, 2010 , pp. 709-715 More about this Journal
Abstract
MCDD performs demultiplexing and demodulation of multi-carrier signals for signal processing schemes such as switching, channel encoding and remodulation in an OBP satellite. During the demultiplexing procedure, several factors such as frequency offset and/or quantization error degrade BER performance. Hence, influences of those factors should be reduced. A influence of the frequency offset can be reduced by inserting guard band between channels, and that of quantization error can be decreased by quantization level control. In case that the data rate of system is not limited, the guard band and the quantization level do not affect each other. In the other case, however, mutual influence between them should be considered. In this paper, we observe the mutual influence when the data rate of the MCDD is limited, and analyze the BER performance.
Keywords
MCDD; OBP; Guard Band; Quantization Level;
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