As the demand increases for more responsive, lower cost space operations, the lead-time for fielding space assets will need to significantly decrease. The Air Force Research Laboratory (AFRL) Operationally Responsive Space (ORS) initiative is pushing the boundary of quick deployment of space assets with an objective goal to integrate and launch a satellite within six days [1]. In order to meet this objective, AFRL has proposed a concept of satellite subsystems designed into intelligent modules that support a plug-in-play architecture in order to minimize integration time. One of these critical subsystem modules is the S-band Command, Control, and Telemetry (CC&T) radio. The Programmable Satellite Transponder (PST) is designed to be used with standard satellite Command and Data Handling (C&DH) subsystems, but with an external adapter it can also support AFRL's ORS Plug-N-Play (PNP) architecture. The PST supports the Space PNP Avionics Universal Serial Bus (SPA-U) interface. SPA-U is more than just a new interface. A SPA-U component contains Self-Defining Data Sheets (xTEDS) which has all the data products, commands, interfaces, services, telemetry, and standard commands to define that subsystem. With a comprehensive intelligent protocol for each of the subsystems, satellite integration and test is significantly reduced and simplified [2].
Programmable Satellite Transceiver for Responsive Space
2008-03-01
3933227 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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