A Lunar Navigation and Communication Satellite System with Earth-GPS Time Transfer: Design and Performance Considerations

Bhamidipati, Sriramya; Mina, Tara; Sanchez, Alana; Gao, Grace Xingxin

doi:10.33012/2022.18365

Cited by 4 publications

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“…Based on this single-satellite analysis of the time-transfer architecture, future work will include the design of a SmallSat-based LNSS constellation that provides reliable and precise PNT services to support upcoming lunar exploration missions. Preliminary work based on this concept has been recently published in Bhamidipati, Mina, Sanchez, et al, 2022. a c k n o w l e d g m e n t s…”

Section: Discussionmentioning

confidence: 99%

“…Based on prior literature (Capuano, Basile, et al, 2015;Delépaut et al, 2019), a high-gain antenna is considered with 14 dBi at an off-boresight angle of 0° and a 3-dB beamwidth of 12.2°. For details regarding the approximate sizing of the high-gain antennas and their gimbals/steering equipment, the reader is directed to the LuGRE mission, the details of which can be found in (Wertz et al, 2011), the mass of an LNSS satellite is heuristically computed to be 133.3 kg in Bhamidipati, Mina, Sanchez, et al, 2022. This finding ensures that the mass of the LNSS case studies discussed in this paper conforms to the SmallSat constraint, which was reported in Section 1 as < 180 kg.…”

Section: Overview Of Case Studies On Clocks and Orbitsmentioning

confidence: 92%

“…This finding ensures that the mass of the LNSS case studies discussed in this paper conforms to the SmallSat constraint, which was reported in Section 1 as < 180 kg. For more details, refer to Section 3.2 of Bhamidipati, Mina, Sanchez, et al, 2022. An Earth-GPS satellite is considered to be visible when, for a continuous time duration of at least 40 s, the received C N / 0 value is greater than 15 dB-Hz, which is a conservative threshold for acquisition and tracking determined from prior works (Capuano, Basile, et al, 2015;Delépaut et al, 2020).…”

Section: Overview Of Case Studies On Clocks and Orbitsmentioning

confidence: 99%

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A Case Study Analysis for Designing a Lunar Navigation Satellite System with Time Transfer from the Earth GPS

Bhamidipati

Mina

Gao

2023

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Over a half century since the end of the Apollo program, the National Aeronautics and Space Administration (NASA) will return humans to the Moon. In the coming decade, through the Artemis missions, NASA will land the first woman and person of color on the lunar south pole (Smith et al., 2020). Additionally, many space agencies are participating in an international effort to establish a sustainable human presence on the Moon, which serves as a crucial platform to support future deep space exploration (Laurini & Gerstenmaier, 2014). Indeed, we are entering a second space race, with international space agencies planning over forty lunar missions in the next decade and with crucial involvement from commercial space industry companies, including SpaceX and Blue Origin. To support increasing plans for crewed and robotic activities, future lunar missions will require access to reliable and precise position, navigation, and timing (PNT) services everywhere on the Moon.Recently, the NASA Goddard Space Flight Center and the European Space Agency (ESA) conceptualized global positioning system (GPS)-like satellite constellations around the Moon, named LunaNet (Israel et al., 2020) and Moonlight (Cozzens, 2021),

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Section: Discussionmentioning

confidence: 99%

Section: Overview Of Case Studies On Clocks and Orbitsmentioning

confidence: 92%

Section: Overview Of Case Studies On Clocks and Orbitsmentioning

confidence: 99%

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A Case Study Analysis for Designing a Lunar Navigation Satellite System with Time Transfer from the Earth GPS

Bhamidipati

Mina

Gao

2023

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“…This study is based on prior work (Bhamidipati, Mina, Sanchez, et al, 2022), and the key contributions of this work are as follows:…”

Section: Proposed Idea and Key Contributionsmentioning

confidence: 99%

Satellite Constellation Design for a Lunar Navigation and Communication System

Bhamidipati,

Mina,

Sanchez,

et al. 2023

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We are entering a second space race, with an emerging priority of the global exploration community to establish a sustainable human presence on the Moon. Moreover, more than 140 lunar missions are being planned for the next decade by international space agencies and commercial space companies, such as SpaceX, Rocket Lab, Argotec, and Blue Origin (Cohen et al., 2020;Tai et al., 2020). Among these missions, some notable ones include the National Aeronautics and Space Administration (NASA) Artemis mission, the China National Space Administration's Chinese lunar exploration program, and the European Space Agency (ESA) European large logistics lander project. To support upcoming plans for both human and robotic activities on the lunar surface, reliable, real-time navigation and communication services are crucial.Active efforts are being invested in designing a dedicated satellite constellation for the Moon.

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Communication-Navigation Integrated Satellite Constellation for Lunar Exploration: Frozen-Orbit-Based HyInc Walker

Chen,

Wu,

You

et al. 2024

IEEE J. Select. Areas Commun.

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A Lunar Navigation and Communication Satellite System with Earth-GPS Time Transfer: Design and Performance Considerations

Cited by 4 publications

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A Case Study Analysis for Designing a Lunar Navigation Satellite System with Time Transfer from the Earth GPS

A Case Study Analysis for Designing a Lunar Navigation Satellite System with Time Transfer from the Earth GPS

Satellite Constellation Design for a Lunar Navigation and Communication System

Communication-Navigation Integrated Satellite Constellation for Lunar Exploration: Frozen-Orbit-Based HyInc Walker

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