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In this paper, we investigate the impact of Forward Error Correction (FEC) codes namely. communication system for speech signal transmission over both AWGN and. modulation technique much more better than BPSK because QPSK is. Convolutional codes have been widely applied to satellite communications.
Apr 2, 2014. BPSK, QPSK , 4-QAM AND 16-QAM and it is a promising. environment like the satellite uplink-downlink where resources are very limited and. reduce the error performance of the signal and to compare which scheme is.
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ECE442 Communications Lecture 4. Performance of Modulation Husheng Li Dept. of Electrical Engineering and Computer Science. Error Probability of BPSK and QPSK
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LSI Logic Corporation claims to have delivered 13 million units of MPEG decoder and QPSK demodulator chips that can be found in seven million satellite set-top boxes (STBs. the L64736 (BPSK/QPSK) demodulator provides a.
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Jul 3, 2013. Binary PSK (BPSK) is a 2-level modulation (M = 2) technique, where the digital message state. satellite digital communications. ( ). carriers, Offset-QPSK has the same theoretical bit error performance (BER) as. BPSK and.
Performance analysis of OOK, BPSK, QPSK modulation schemes in uplink of ground-to-satellite laser communication system under. Bit error rate of OOK, BPSK, QPSK
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ERROR PERFORMANCE OF BPSK AND QPSK IN SATELLITE COMMUNICATIONS Václav VALENTA, Bachelor Degree Programme (3) Dept. of Electrical and Electronic Technology, FEEC, BUT
How to Cite. Stefanovic, M. C. and Djordjevic, G. T. (2003), BPSK and QPSK non-linear satellite communication system performance in the presence of cochannel.
Also, ITU has allocated the 1610–1626.5-MHz band to operators of low-Earth-orbiting mobile communications. for determining the satellite orbits and AFS.
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Jun 9, 2014. ANALYSIS AND IMPROVEMENT OF BRAZILIAN SATELLITE LINK. performance of the models with different modulations and. However, in order to achieve the same bit-‐error probability as BPSK, QPSK uses twice the.
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PDF BER performance of OFDM-BPSK,-QPSK,- QAM over AWGN channel. –. satellite, and space communication systems, data transmission performance. As a result, error control is. BER performance of OFDM-BPSK,-QPSK,- QAM over AWGN
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Welcome to this website on the fundamentals of Wireless Communication. The contents are arranged according to subject: