Precise Positioning and Timekeeping in a Lunar Orbit via Terrestrial GPS Time-Differenced Carrier-Phase Measurements

K Iiyama, S Bhamidipati, G Gao - … : Journal of the Institute of Navigation, 2024 - navi.ion.org
There is a growing interest in the use of legacy terrestrial Global Positioning System (GPS)
signals to determine the precise positioning and timing onboard a lunar satellite. Unlike prior …

Terrestrial GPS time-differenced carrier-phase positioning of lunar surface users

K Iiyama, S Bhamidipati, G Gao - 2023 IEEE Aerospace …, 2023 - ieeexplore.ieee.org
To support the increasing interest in lunar exploration, the future lunar users will require
precise position, velocity, and timing (PVT) services on the Moon. Active efforts are being …

GPS Spoofing Mitigation and Timing Risk Analysis in Networked Phasor Measurement Units via Stochastic Reachability

S Bhamidipati, G Gao - NAVIGATION: Journal of the Institute of …, 2023 - navi.ion.org
To address phasor measurement unit (PMU) vulnerability to spoofing, we propose the use of
a set-valued state estimation technique known as stochastic reachability (SR)-based …

Precise Clock Estimation on Moon Surface Using Lunar Navigation Satellite System

M Murata, K Akiyama, N Satoh - … of the 2023 International Technical Meeting …, 2023 - ion.org
This paper addresses the precise clock estimation problem on the lunar surface, especially
at the South Pole region. The problem is particularly challenging because the moon is about …

The Firstever LTE Network on the Moon: Challenges and Prospects

SK Routray, M Pappa, M Singh, A Javali… - … on Recent Trends in …, 2024 - ieeexplore.ieee.org
Mobile cellular networks are very popular across the globe, and they are found at all places
where human settlements are present. Long term evolution (LTE) is a popular standard for …