Lab Setup » History » Version 7

Cuadro, Juan Pablo, 12/15/2014 04:51 PM

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h1. Lab Setup
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Equipment Rack:
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!{width: 70%}Rack.jpg!
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All measurements were performed in Telecom Bretagne's satellite communication labs in Toulouse. Our setup consisted of a main rack containing principal hardware and several control PCs. The first contains the DVB-S2 modems, a R&S signal analyzer, a networking switch and the link emulation hardware. Here's a diagram describing the setup as well as connections.
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!{width: 90%}FullSetup.png!
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*Measurement equipment:*
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+1 x Rhode & Schwartz FSV Signal and Spectrum Analyzer+
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Here's a video showing the 16APSK in action:
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!{width: 70%}16APSK.gif!
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*Networking:*
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+1 x CISCO 2811
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1 x Newtec EL470 DVB-S2 HUB modem
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1 x Newtec EL470 DVB-S2 Station modem+
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*Link Emulation:*
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+1 x NI PXIe-1078 Chassis+
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_The NI PXIe-1078 nine-slot chassis features a backplane that incorporates a PCI Express connection to every slot to meet a wide range of test and measurement application needs. It accepts PXI Express modules in every slot and supports standard PXI hybrid-compatible modules. The chassis includes built-in timing and synchronization features including 10 and 100 MHz reference clocks as well as a PXI trigger bus._
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+2 x NI PXIe-5644R VSTs+
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_The NI PXIe-5644R vector signal transceivers (VSTs) are part of a new class of instrumentation that combines a vector signal generator and vector signal analyzer with FPGA-based real-time signal processing and control. Because of this software-designed approach, a VST features the flexibility of a software defined radio architecture with RF instrument class performance._
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+1 x NI PXIe-8360 PXIe Controller+
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_PCI Express card installed on laboratory PC to communicate with VSTs._
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*Lab PCs:*
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_+PC1+ - Remote managing of Newtec modems.
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+PC2+ - Data source for HUB modem, connects directly to HUB's ethernet interface A through a twisted pair cable.
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+PC3+ - Data source for Station modem, connects directly to Stations's ethernet interface Aa twisted pair cable.
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+PC4+ - Channel emulator controller, handles processing of VST acquired signals._