Uplink transmission policies for LoRa-based direct-to-satellite IoT

G Álvarez, JA Fraire, KA Hassan, S Cespedes… - IEEE …, 2022 - ieeexplore.ieee.org
Direct-to-Satellite IoT (DtS-IoT) is a promising approach to deliver data transfer services to
IoT devices in remote areas where deploying terrestrial infrastructure is not appealing or …

Orbit determination from two line element sets of ISS-deployed cubesats

K Riesing - 2015 - digitalcommons.usu.edu
Deploying nanosatellites from the International Space Station (ISS) has become prevalent
since the addition of the Nano Racks CubeSat Deployer in early 2014. Since then, 61 …

[HTML][HTML] A sensitivity study of POD using dual-frequency GPS for CubeSats data limitation and resources

K Wang, A Allahvirdi-Zadeh, A El-Mowafy, JN Gross - Remote Sensing, 2020 - mdpi.com
Making use of dual-frequency (DF) global navigation satellite system (GNSS) observations
and good dynamic models, the precise orbit determination (POD) for the satellites on low …

[HTML][HTML] Study of the Two-Line Element Accuracy by 1U CubeSat with a GPS Receiver

P Kovář, P Puričer, K Kovářová - Sensors, 2022 - mdpi.com
There is a common practice to calculate orbital trajectories of space objects like satellites
and space debris using Two-Line Element Sets (TLEs). However, TLEs provide rather …

[HTML][HTML] Multi-Level Convolutional Network for Ground-Based Star Image Enhancement

L Liu, Z Niu, Y Li, Q Sun - Remote Sensing, 2023 - mdpi.com
The monitoring of space debris is important for spacecraft such as satellites operating in
orbit, but the background in star images taken by ground-based telescopes is relatively …

Laser beacon tracking for free-space optical communication on small-satellite platforms in low-earth orbit

TNT Nguyen - 2015 - dspace.mit.edu
Free-space optical (FSO) communication, or laser communication, is capable of providing
high-rate communication links, meeting the growing downlink demand of space missions …

Portable optical ground stations for satellite communication

KM Riesing - 2018 - dspace.mit.edu
Small satellite technical capabilities continue to grow and launch opportunities are rapidly
expanding. Several commercial constellations of small satellites for Earth observation and …

Probabilistic assessment of the lifetime of low-earth-orbit spacecraft: uncertainty characterization

L Dell'Elce, M Arnst, G Kerschen - Journal of Guidance, Control, and …, 2015 - arc.aiaa.org
Orbital lifetime estimation is a problem of great timeliness and importance in astrodynamics.
In view of the stochastic nature of the thermosphere and of the complexity of drag modeling …

Testing of the cubesat laser infrared crosslink (click-a) payload

O Cierny, P Serra, W Kammerer, P Grenfell… - 2020 - digitalcommons.usu.edu
Abstract The CubeSat Laser Infrared CrosslinK (CLICK-A) is a risk-reduction mission that
will demonstrate a miniaturized optical transmitter capable of≥ 10 Mbps optical downlinks …

Acquisition concept for inter-satellite communication terminals on cubesats

B Rödiger, R Rüddenklau, C Schmidt… - Small Satellites Systems …, 2022 - elib.dlr.de
Free Space Optical (FSO) communication is gaining ground in satellite industry and an ideal
supplement to classical radio data transmission. It offers solutions for global, high-rate and …