Distortions Characterization for Dynamic Carrier Allocation in Ultra High-Throughput Satellites

TL;DR

This paper introduces an analytical method to characterize distortions in ultra high-throughput satellite payloads, providing insights for optimizing dynamic carrier allocation to enhance system performance.

Contribution

It presents a new analytical formula for linear and nonlinear distortions and demonstrates how dynamic carrier allocation can significantly improve satellite communication efficiency.

Findings

Analytical formula accurately characterizes distortions.

Dynamic carrier allocation yields substantial performance gains.

The approach balances complexity and accuracy effectively.

Abstract

A novel analytical formula for the characterization of linear and nonlinear distortions in future ultra high-throughput communication payloads is proposed in this work. In this context, the carrier-to-interference ratio related to single-carrier and multicarrier signals is derived. Through the analysis of its behavior valuable insights are created, especially regarding the interaction between linear and nonlinear intersymbol interference. Furthermore, the principle of dynamic carrier allocation optimization is highlighted in a realistic scenario. Within the presented framework, it is proven that a significant gain can be achieved even with a limited number of carriers. Finally, a complexity and accuracy analysis emphasizes the practicality of the proposed approach.