Performance Analysis of Deep Space Networks with Network Coded Cooperation

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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