Performance Evaluation of Random Access Methods for IoT-over-Satellite

Performance Evaluation of Random Access Methods for IoT-over-Satellite

Blog Article

Low Multivitamin Earth orbit (LEO) satellite constellations are currently being explored to provide global and seamless coverage for IoT-over-Satellite applications.Random access techniques require low transmission overhead providing a compatible route for IoT-over-Satellite applications, however, coming at the expense of the offered quality-of-service.In this paper, we develop a realistic uplink performance framework that incorporates many practical parameters such as the satellite availability, packet collision and interference, Doppler shift, and impairments experienced in a typical Satellite-to-Ground channel.The framework is capable of assessing multiple key performance indicators of the overall IoT-over-Satellite random access system.

The performance is presented in B2 Vitamins / Riboflavin terms of the bit error rate, packet error rate, and the energy wasted per IoT device.To emulate a realistic IoT-over-Satellite network, LoRa modulated traffic is first generated and injected into the Satellite-to-Ground channel.The results indicate high resistance to Doppler shifts even without any Doppler correction and provide some resistance to highly congested environments.