Flexible Coherent Digital Transceiver for Low Power Space Missions

Haskins, Christopher B.; Millard, Wesley P.; Jensen, J.R.

doi:10.1109/aero.2006.1655851

Cited by 13 publications

(8 citation statements)

References 8 publications

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“…The DSP slice supplies the central control of the radio (including bit rate selection, encoding, and included hardware command decoder), and provides the control, command and telemetry interfaces to the spacecraft. This compact design provides state-of-the-art mass (1.8 kg with 100-mil chassis) and power (o9 W full duplex) for the offered capability [9][10][11][12][13][14].…”

Section: Frontier Radiomentioning

confidence: 99%

In-flight performance of the Van Allen Probes RF telecommunications system

2015

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Section: Frontier Radiomentioning

confidence: 99%

In-flight performance of the Van Allen Probes RF telecommunications system

2015

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“…Over the last several decades, JHU/APL has researched, developed, and implemented several space communications and navigation systems. JHU/APL operated, and is currently operating, several of the communications/navigation systems it developed [5].…”

Section: Frontier Radiomentioning

confidence: 99%

Telemetry ranging using software-defined radios

Hennawy

Adams

Sanchez

et al. 2015

2015 IEEE Aerospace Conference

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Telemetry ranging is a technique that inserts ranging data measured by the spacecraft into the downlink telemetry stream, thereby avoiding the need to allocate downlink power for a ranging signal. This technique has many benefits depending on the mission profile, including increased data return, operational simplification, and spectrum efficiency. The present study considers a variation to the ranging technique presented in [1] in order to facilitate implementation in a software-defined radio (SDR). This implementation tracks an uplink PN range code and measures the code phase coincident with the start of downlink telemetry frames. The phase is then embedded in subsequent telemetry frames. The method is implemented in the JHU/APL Frontier Radio and leverages the PN ranging design from the NASA New Horizons communications system. Initial test results are summarized and indicate that the method is viable for space exploration.

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“…The DSP slice supplies the central control of the transceiver and enables the transceiver to function as a software-defined radio. This compact design provides state-of-the-art mass (1.8 kg) and power (<9 W full duplex) for the offered capability (Haskins and DeBoy 2007;Haskins et al 2006Crowne et al 2011;Millard and Haskins 2011).…”

Section: Telecommunications Systemmentioning

confidence: 99%

Radiation Belt Storm Probes—Observatory and Environments

et al. 2012

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The National Aeronautics and Space Administration's (NASA's) Radiation Belt Storm Probe (RBSP) is an Earth-orbiting mission that launched August 30, 2012, and is the latest science mission in NASA's Living with a Star Program. The RBSP mission will investigate, characterize and understand the physical dynamics of the radiation belts, as well as the influence of the Sun on the Earth's environment, by measuring particles, electric and magnetic fields and waves that comprise geospace. The mission is composed of two identically instrumented spinning observatories in an elliptical orbit around earth with 600 km perigee, 30,000 km apogee and 10• inclination to provide full sampling of the Van Allen radiation belts. The twin RBSP observatories (recently renamed the Van Allen Probes) will follow slightly different orbits and will lap each other four times per year, offering simultaneous measurements over a range of observatory separation distances. A description of the observatory environment is provided along with protection for sensitive electronics to support operations in the harsh radiation belt environment. Spacecraft and subsystem key characteristics and instrument accommodations are included that allow the RBSP science objectives to be met.

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Flexible Coherent Digital Transceiver for Low Power Space Missions

Cited by 13 publications

References 8 publications

In-flight performance of the Van Allen Probes RF telecommunications system

In-flight performance of the Van Allen Probes RF telecommunications system

Telemetry ranging using software-defined radios

Radiation Belt Storm Probes—Observatory and Environments

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