Nicolas Appel

Nicolas Appel
Technische Universität München | TUM · Department of Aerospace Engineering

M.Sc.
Solar Sailing Communications

About

10
Publications
8,130
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46
Citations
Introduction
Nicolas received his M.Sc. Degree in Informatics from the Technical University of Munich (TUM) and is currently pursuing a PhD at the Institute of Astronautics at the same university. He is currently working on developing antennas for solar sailing applications. His interests cover microwave engineering, signal processing and embedded software development

Publications

Publications (10)
Preprint
In this paper we present a concept for membrane-integrated antennas for solar sailing missions. Solar sailing imposes challenging requirements on the spacecraft. The small force exerted on the sail by the sunlight results in a proportionally small acceleration of the spacecraft. A higher acceleration allows for more complex missions which is why li...
Preprint
Linear network coding requires arithmetic operations over Galois fields, more specifically over finite extension fields. While coding over GF(2) reduces to simple XOR operations, this field is less preferred for practical applications of random linear network coding due to high chances of linear dependencies and therefore redundant coded packets. C...
Conference Paper
Full-text available
MOVE-II (Munich Orbital Verification Experiment) is the second satellite of the Technical University of Munich's educational CubeSat program. On December 3, 2018, the satellite was launched on the SSO-A SmallSat Express from the Vandenberg Air Force Base. The following paper shows on-orbit results of the first eight months of operations. It include...
Conference Paper
Full-text available
In this paper, we will report on the results and lessons learned of the development, test and operation of two software-defined transceivers on the CubeSat mission MOVE-II (Munich Orbital Verification Experiment II). MOVE-II, a single-unit CubeSat, is the second satellite of the CubeSat program MOVE of the Technical University of Munich (TUM). The...
Conference Paper
Full-text available
MOVE-II (Munich Orbital Verification Experiment II) is a 1 Unit CubeSat currently under development at the Technical University of Munich (TUM). This paper reports on the technical as well as the organizational advancements of the project. With overall more than 130 students involved so far, the project is currently in Phase D, with the launch of t...
Conference Paper
Full-text available
We present Nanolink, a data link layer protocol for CubeSats and other spaceborne assets with similar bandwidth and hardware resources. The protocol is designed to operate with high efficiency and high reliability over links with a small bandwidth-delay product and moderate to weak signal quality. A type-I hybrid automatic repeat request (ARQ) sche...
Conference Paper
Full-text available
Future spacemissions will require vast amounts of data to be stored and processed aboard spacecraft. While satisfying operational mission requirements, storage systems must guarantee data integrity and recover damaged data throughout the mission. NAND-flash memories have become popular for space-borne high performance mass memory scenarios, though...

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Projects

Projects (3)
Project
Microwave beamforming and steering using solar sail structures
Archived project