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Programmable Logic Device (PLD) Design Description for the Integrated Power, Avionics, and Software (iPAS) Space Telecommunications Radio System (STRS) RadioThe Space Telecommunications Radio System (STRS) provides a common, consistent framework for software defined radios (SDRs) to abstract the application software from the radio platform hardware. The STRS standard aims to reduce the cost and risk of using complex, configurable and reprogrammable radio systems across NASA missions. To promote the use of the STRS architecture for future NASA advanced exploration missions, NASA Glenn Research Center (GRC) developed an STRS compliant SDR on a radio platform used by the Advance Exploration System program at the Johnson Space Center (JSC) in their Integrated Power, Avionics, and Software (iPAS) laboratory. At the conclusion of the development, the software and hardware description language (HDL) code was delivered to JSC for their use in their iPAS test bed to get hands-on experience with the STRS standard, and for development of their own STRS Waveforms on the now STRS compliant platform.The iPAS STRS Radio was implemented on the Reconfigurable, Intelligently-Adaptive Communication System (RIACS) platform, currently being used for radio development at JSC. The platform consists of a Xilinx ML605 Virtex-6 FPGA board, an Analog Devices FMCOMMS1-EBZ RF transceiver board, and an Embedded PC (Axiomtek eBox 620-110-FL) running the Ubuntu 12.4 operating system. Figure 1 shows the RIACS platform hardware. The result of this development is a very low cost STRS compliant platform that can be used for waveform developments for multiple applications.The purpose of this document is to describe the design of the HDL code for the FPGA portion of the iPAS STRS Radio particularly the design of the FPGA wrapper and the test waveform.
Document ID
20170004668
Acquisition Source
Glenn Research Center
Document Type
Technical Memorandum (TM)
Authors
Shalkhauser, Mary Jo W. (NASA Glenn Research Center Cleveland, OH United States)
Date Acquired
May 23, 2017
Publication Date
April 1, 2017
Subject Category
Communications And Radar
Aircraft Communications And Navigation
Report/Patent Number
GRC-E-DAA-TN36856
NASA/TM-2017-219429
E-19320
Report Number: GRC-E-DAA-TN36856
Report Number: NASA/TM-2017-219429
Report Number: E-19320
Funding Number(s)
WBS: WBS 089407.01.22
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
VHDL
Bit Error Rate
Software
STRS
Radio Electronics
Software Defined Radio
Firmware
Modulation
Flight Computer

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