Performance Analysis of Deep Space Networks with Network Coded Cooperation

Yıl 2017, Cilt: 17 Sayı: 2, 3319 - 3325, 27.07.2017

Tuana Ensezgin Selahattin Gökceli Semiha Tedik Başaran Güneş Karabulut Kurt

Öz

In this paper, we investigate the disruptive
effects of solar scintillation in Deep Space Networks (DSNs) and we applied
Network Coded Cooperation in DSNs to improve throughput, robustness and
security of the communication systems. Simulations illustrate the comparisons
between direct links and NCC links for both Rayleigh fading channel and Rician
fading channel models. The effects of solar scintillation are modelled from
previous studies and the outage probabilities of these links are given
graphically for all channel types. Besides the computer simulations in MATLAB,
proposed system model is implemented with Software Defined Radio (SDR) nodes
and the error performances are illustrated on bar charts with Bit Error Rates
(BER) to Signal-to-Noise Ratios (SNR). As a result, it is seen that NCC system
decreases the outage probabilities of that communication system, improves error
performance, and also decreases the transmission time between transmitters and
receivers.

Anahtar Kelimeler

Network Coded Cooperation, Deep Space Networks, Solar Scintillation, Rayleigh Fading Channels, Rician Fading Channels, Outage Probability

Kaynakça

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