Search Results - "Israel, David J."

LunaNet: a Flexible and Extensible Lunar Exploration Communications and Navigation Infrastructure by Israel, David J., Mauldin, Kendall D., Roberts, Christopher J., Mitchell, Jason W., Pulkkinen, Antti A., Cooper, La Vida D., Johnson, Michael A., Christe, Steven D., Gramling, Cheryl J.

“…NASA has set the ambitious goal of establishing a sustainable human presence on the Moon. Diverse commercial and international partners are engaged in this…”
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Space Mobile Network: A near Earth communications and navigation architecture by Israel, David J., Heckler, Gregory W., Menrad, Robert J.

“…This paper shares key findings of NASA's Earth Regime Network Evolution Study (ERNESt) team resulting from its 18-month effort to define a wholly new…”
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Wavelength division multiple access for deep space optical communications by Divsalar, Dariush, Dolinar, Sam, Farr, William, Israel, David J., Mohageg, Makan, Thill, Matthew, Alerstam, Erik, Peng, Michael, Shaw, Matthew, Wollman, Emma

“…In this paper, a high capacity wavelength division multiplexing (WDM) for high data rate optical communications, a WDM with 2-dimensional M-PPM to achieve a…”
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Adaptive Power Control for Space Communications by Thompson, W.L., Israel, D.J.

“…This paper investigates the implementation of power control techniques for crosslinks communications during a rendezvous scenario of the crew exploration…”
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The GSFC Communications, Standards, and Technology Laboratory (CSTL) by Israel, D.J., Marquart, J.K., Thompson, W.L.

“…The NASA Goddard Space Flight Center (GSFC) has created the Communications, Standards, and Technology Lab (CSTL) for the investigation, development, and…”
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Next-generation NASA Earth-orbiting relay satellites: Fusing optical and microwave communications by Israel, David J., Shaw, Harry

“…NASA is currently considering architectures and concepts for the generation of relay satellites that will replace the Tracking and Data Relay Satellite (TDRS)…”
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Laser Communications Relay Demonstration (LCRD) update and the path towards optical relay operations by Israel, David J., Edwards, Bernard L., Staren, John W.

“…This paper provides a concept for an evolution of NASA's optical communications near Earth relay architecture. NASA's Laser Communications Relay Demonstration…”
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A geosynchronous orbit optical communications relay architecture by Edwards, Bernard L., Israel, David J.

“…NASA is planning to fly a Next Generation Tracking and Data Relay Satellite (TDRS) next decade. While the requirements and architecture for that satellite are…”
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Commercialization and standardization progress towards an optical communications Earth relay by Edwards, Bernard L., Israel, David J.

“…NASA is planning to launch the next generation of a space based Earth relay in 2025 to join the current Space Network, consisting of Tracking and Data Relay…”
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Optical CDMA for a constellation of CubeSats by Divsalar, Dariush, Thill, Matthew, Israel, David J., Dolinar, Sam, Shaw, Matthew, Peng, Michael

“…In this paper, an end-to-end optical CubeSat Code Division Multiple Access (CDMA) system architecture is developed. The signal processing components required…”
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Katz and Postal on Realism by Israel, David J.

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Mission concepts utilizing a Laser Communications and DTN-based GEO relay architecture by Israel, D. J., Edwards, B. L., Whiteman, D. E.

“…Laser Communications and Delay Tolerant Networking (DTN) are two key technologies in development for enhancement of future generation space communications…”
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Preliminary results from a model-driven architecture methodology for development of an event-driven space communications service concept by Roberts, Christopher J., Morgenstern, M., Israel, David J., Borky, John M., Bradley, Thomas H.

“…NASA's next-generation space communications network will involve dynamic and autonomous services analogous to services provided by current terrestrial wireless…”
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A DTN-Based Multiple Access Fast Forward Service for the NASA Space Network by Israel, D. J., Davis, F., Marquart, J.

“…The NASA Space Network provides a demand access return link service capable of providing users a space link "on demand". An equivalent service in the forward…”
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Space network IP services (SNIS): an architecture for supporting low Earth orbiting IP satellite missions by Israel, D.J.

“…The NASA Space Network (SN) supports a variety of missions using the Tracking and Data Relay Satellite System (TDRSS), which includes ground stations in White…”
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The Role of Logic in Knowledge Representation by ISRAEL, D. J, BERANEK, B

“…Since this field of study began, AI researchers have debated the appropriateness of adopting as a representational formalism a language of the kind devised,…”
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Low-cost TDRSS communications for NASA's long duration balloon project by Israel, D.J.

“…A transponder and RF ground support equipment that are making tracking and data relay satellite system (TDRSS) communications available to lower budget NASA…”
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Suppression of shivering by breath holding, relaxation, mental arithmetic, and warm water ingestion by Israel, D J, Wittmers, L E, Hoffman, R G, Pozos, R S

“…Four methods of suppressing cold-induced shivering were evaluated in 26 young male volunteers exposed to 0.0 +/- 1.0 degrees C air for 135 min. Voluntary…”
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