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Design of the robust demodulator for mobile broadband satellite Internet access system

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5 Author(s)
Pansoo Kim ; Electron. & Telecommun. Res. Inst., Taejeon, South Korea ; Yun-Jeong Song ; Byoung-Hak Kim ; Deock-Gil Oh
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In this paper, we propose a robust demodulator structure for mobile broadband satellite Internet access systems. Especially, in order to achieve good synchronization under very low SNR, a large frequency offset, and Doppler frequency offset, with the constraints of mobile satellite communication, we design a demodulator which has robust algorithms for carrier frequency recovery compared with the conventional algorithms. The proposed technique can fulfill the stringent up-link link budgets at Ka band by operating at very low SNR.

Published in:

Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th  (Volume:6 )

Date of Conference:

26-29 Sept. 2004