Cited By
View all- Kharchenko VGrekhov AKondratiuk VNagorna K(2017)ADS-B Satellite Communication Channel Based on IEEE 802.16 StandardTransport and Aerospace Engineering10.1515/tae-2017-00145:1(18-27)Online publication date: 1-Dec-2017
Effect of Doppler Shift on the MIMO-OFDM Systems in Troposcatter Fading Channels
Abstract
In troposcatter communication systems based on multiple input multiple output-orthogonal frequency division multiplexing (MIMO-OFDM), both channel estimation error and Doppler shift exist inherently. To investigate the Doppler shift effect, an improved time-varying multipath channel model is built. Zero-forcing (ZF) detection and approximation method of Wishart distribution are adopted to calculate the signal to interference plus noise ratio (SINR) of the system and its probability distribution. Then, SINR is used to analyze the average error rate in the presence of both channel estimation error and Doppler shift. The simulated results show that, in troposcatter fading channels, Doppler shift has little influence on the performance of the bite error rate (BER) in the presence of relatively small estimation error. However, with larger estimation error, a slight Doppler shift influences the system performance significantly, and a large Doppler shift has little effect on the system. Moreover, the BER performance is also investigated when low density parity check (LDPC) channel codes are used.
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Published In
December 2016
343 pages
ISBN:9781450347938
DOI:10.1145/3033288
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Published: 17 December 2016
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ICNCC '16
ICNCC '16: Fifth International Conference on Network, Communication and Computing
December 17 - 21, 2016
Kyoto, Japan
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View all- Kharchenko VGrekhov AKondratiuk VNagorna K(2017)ADS-B Satellite Communication Channel Based on IEEE 802.16 StandardTransport and Aerospace Engineering10.1515/tae-2017-00145:1(18-27)Online publication date: 1-Dec-2017
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