Prospects for a Next-Generation Deep-Space Network

Cesarone, R.; Abraham, Douglas A.; Deutsch, L. J.

doi:10.1109/jproc.2007.905043

Cited by 47 publications

(13 citation statements)

References 10 publications

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“…The improvements in data rate and tracking accuracy were necessary because of requirements set by the planetary and deep space science community. It is envisioned that such trends, especially on data rate, will continue in the future [1]. Although radio frequency (RF) waves may be able to meet future demands, in practice, optical links may provide a better option for meeting such ominous goals.…”

Section: Figure 2 the History Of Deep Space Angular Trackingmentioning

confidence: 99%

Optical Communications from Planetary Distances

Davarian¹,

Farr²,

Hemmati³

et al. 2008

SpaceOps 2008 Conference

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Section: Figure 2 the History Of Deep Space Angular Trackingmentioning

confidence: 99%

Optical Communications from Planetary Distances

Davarian¹,

Farr²,

Hemmati³

et al. 2008

SpaceOps 2008 Conference

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“…The immediate answer is to develop a spacecraft network that can be interconnected, standardized, and evolved over the future decades. [1][2][3] Such motivations led to the development of various spacecraft networking architectures which can support better service ability, for example, the Deep Space Network (DSN), 4 Interplanetary Internet (IPN), 5 and space information network (SIN). 6,7 In spacecraft networks, the timevarying topology, lack of continuous connectivity, unreliable links, and long propagation delays pose new challenges in management of the network.…”

Section: Introductionmentioning

confidence: 99%

Efficient topology control for time-varying spacecraft networks with unreliable links

Zhang

et al. 2019

International Journal of Distributed Sensor Networks

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In spacecraft networks, the time-varying topology, intermittent connectivity, and unreliable links make management of the network challenging. Previous works mainly focus on information propagation or routing. However, with a large number of nodes in the future spacecraft networks, it is very crucial regarding how to make efficient network topology controls. In this article, we investigate the topology control problem in spacecraft networks where the time-varying topology can be predicted. We first develop a model that formalizes the time-varying spacecraft network topologies as a directed space–time graph. Compared with most existing static graph models, this model includes both temporal and spatial topology information. To capture the characteristics of practical network, links in our space–time graph model are weighted by cost, efficiency, and unreliability. The purpose of our topology control is to construct a sparse (low total cost) structure from the original topology such that (1) the topology is still connected over space–time graph; (2) the cost efficiency ratio of the topology is minimized; and (3) the unreliability parameter is lower than the required bound. We prove that such an optimization problem is NP-hard. Then, we provide five heuristic algorithms, which can significantly maintain low topology cost efficiency ratio while achieving high reliable connectivity. Finally, simulations have been conducted on random space networks and hybrid low earth orbit/geostationary earth orbit satellite-based sensor network. Simulation results demonstrate the efficiency of our model and topology control algorithms.

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“…strong atmospheric turbulence, rains and low elevation angles), a paramount requirement for ground stations, which must usually guarantee a time availability significantly higher than for radio telescopes. Nevertheless, all major space agencies, including National Aeronautics and Space Administration and the European Space Agency (ESA) are funding projects aimed to analyse the feasibility of arrays of reflector antennas specifically devoted to DS communications [10,11].…”

Section: Introductionmentioning

confidence: 99%

Efficiency of arrays composed of high-gain reflector antennas

Pasian

Cametti

Bozzi

et al. 2012

IET Microwaves, Antennas &Amp; Propagation

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Arrays composed of high-gain reflector antennas are used for radio-astronomical purposes and, more recently, are proposed as ground station for deep space communications. This latter application requires a precise knowledge of the degradation that phase, amplitude and pointing fluctuations impose on the capability of the array to combine coherently the signal received or transmitted from each antenna. In this study, an analytical model for the fluctuation of each parameter (phase, amplitude and pointing) is derived and it is used to predict the efficiency of an array composed of an arbitrary number of high-gain reflector antennas. The analytical models are verified by numerical simulations and applied to an array layout currently proposed as possible future ground stations for the European Space Agency.

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Prospects for a Next-Generation Deep-Space Network

Cited by 47 publications

References 10 publications

Optical Communications from Planetary Distances

Optical Communications from Planetary Distances

Efficient topology control for time-varying spacecraft networks with unreliable links

Efficiency of arrays composed of high-gain reflector antennas

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