CR-GENI - GENI Open Cognitive Radio Platform

CR-GENI - GENI Open Cognitive Radio Platform Dirk Grunwald , Peter Wolniansky, Prasanthi Maddala, Khanh Le, Ivan

Seskar

CR-GENI Kit

HW Platform - Phase 0

HW Platform - Phase 2

HW Platform - Phase 1

CR-GENI Libraries

Basic Building Blocks :

• Common – DAC IF, ADC IF, SPI IF, Reg Map, …• Networking – Ethernet, PCIe, RS232,…• DSP – Sine wave gen., AWGN, Filters,…• Communication – Mod/Demod, OFDM blocks,…

1. Hardware Platform - Range of FPGAs - Wideband (tuning) radio modules2. Firmware - Easy to use VHDL/ Simulink (drag & drop) blocks - Fast prototyping3. Software - TCP/IP network capable - Support VITA Radio Transport protocol

• Xilinx V5LX50 FPGA• Gigabit Ethernet• 2 Half duplex RF

modules• 20 MHz band• 2.4 GHz, 5 GHz

• V5LX50/SX95• PCI express bus• 4 Full duplex RF

modules• 25 MHz baseband• 300 – 6000 MHz

• Multiple FPGAs• PCI express

bus/Optical links• 2 Full duplex RF

modules per FPGA• 25-500 MHz baseband• 100 – 7500 MHz

R4 Development Framework: Radio System with Pluggable User Applications

RTS

Simulink Spectrum Sensing App. Example

CR-GENI Kit Data Flow