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

Chen, Guoquan; Wu, Shaohua; You, Junhua; Zhang, Qinyu

doi:10.1109/jsac.2024.3365888

IEEE J. Select. Areas Commun.

2024

DOI: 10.1109/jsac.2024.3365888

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

Guoquan Chen,

Shaohua Wu,

Junhua You

et al.

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2024

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Cited by 3 publications

References 59 publications

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Cislunar Communication Performance and System Analysis With Uncharted Phenomena

Gecgel Cetin,

Vazquez-Castro,

Karabulut Kurt

2024

IEEE Open J. Commun. Soc.

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Cislunar Communication Performance and System Analysis With Uncharted Phenomena

Gecgel Cetin,

Vazquez-Castro,

Karabulut Kurt

2024

IEEE Open J. Commun. Soc.

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Lunar Satellite Constellations in Frozen Low Orbits

Ovchinnikov,

Shirobokov,

Trofimov

2024

Aerospace

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This research studies the potential of frozen low lunar orbits to be used in the design of constellations for global and regional communication or navigation. We introduce a robust two-stage approach to the frozen low lunar orbit design based on the successive application of non-gradient techniques, the Bayesian optimization and the Nelder–Mead method. The developed methodology has a number of advantages over existing numerical design techniques and allows revealing orbits with the periodic behavior of the eccentricity vector over long propagation intervals in the full dynamical model. By leveraging a convenient nomogram with constellation visibility parameters and lower bound coverage curves, we have identified most suitable low-altitude orbital configurations of Walker type and then adjust them to be frozen. The frozenness condition can be achieved without changing the orientation of orbital planes. Visibility and coverage metrics (multiplicity of continuous coverage for specified sites, polar regions, or the whole lunar surface; position dilution of precision) of candidate constellations are analyzed. Several promising designs of frozen constellations in near-circular low lunar orbits are singled out. The frozen orbit stability and the station-keeping cost are discussed.

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Adaptive Network Routing Technology for Near-Moon Space Cross-Domain Transmission

Yu,

Huang,

et al. 2024

Applied Sciences

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Communication transmission in the near-Moon space is a critical enabler of scientific exploration in this region. However, the communication network in near-Moon space shows trends of diversification, heterogeneity, and collaboration, posing significant challenges to the management of an integrated communication network. This paper proposes a networking routing method for near-Moon-space cross-domain network transmission. Considering the constraints of heterogeneous networks including Moon–Earth, Moon–surface, and relay transmission, the method enhances transmission routing efficiency at the network layer of near-Moon-space systems, thereby improving the overall efficiency of heterogeneous network interactions. This research focuses on the networking routing of cross-domain networks. To simplify the research problem, a mixed link resource and scheduling model of heterogeneous networks is proposed. Based on this model, a time-varying and fixed topology network sub-network clustering method was designed to reduce the complexity of the routing algorithm. A routing scheduling algorithm is provided in combination with hierarchical routing search, and related experiments and comparisons were carried out. Finally, considering the practical issues of communication relay channels and rate limitations in relay satellites, time windows and communication rate constraints were used to enhance the reliability of the simulation validation. Simulation results show that this method effectively addresses the issue of low transmission interaction efficiency in heterogeneous networks within cislunar space. Compared with previous designs, it improves link load rate by 31%, reduces average service delay by 8%, and significantly enhances link stability and load rate.

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

Cited by 3 publications

References 59 publications

Cislunar Communication Performance and System Analysis With Uncharted Phenomena

Cislunar Communication Performance and System Analysis With Uncharted Phenomena

Lunar Satellite Constellations in Frozen Low Orbits

Adaptive Network Routing Technology for Near-Moon Space Cross-Domain Transmission

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