Fraunhofer Heinrich Hertz Institute at a glance ■ Flexible Software Defined Radio platform consisting of stacked digital interface card and radio frequency front-end ■ Optical baseband interface Features ■ 2x2 or 4x4 MIMO duplex operation ■ Wide carrier frequency range from 70 MHz up to 6 GHz ■ Different reference clock sources ■ Variable bandpass RF filter Applications ■ SDR platform supporting different-communications standards with variable signal bandwidths, carrier frequencies and transmit power ■ Multiband, MIMO and beamforming operation using several radio units connected and synchronized via optical fiber ■ 5G prototyping - arbitrary waveform & active multi-antenna setups

Fraunhofer Heinrich Hertz Institute Specifications ■ 2 or 4 - antenna duplex operation with variable RF signal bandwidth ■ Xilinx Spartan - 6 FPGA with 64 MB DDR SDRAM ■ Baseband CPRI data rate of 2457.6 Mbit/s ■ CPRI clock or external clock reference ■ Power consumption < 30 Watts ■ Analog design with AD9361 SoCs ■ External power amplifiers depending on carrier frequency □ SAW filters, diplexers and/or TDD switches □ External or plug-on modules The Fraunhofer Heinrich Hertz Institute is a world leading research institute in the areas of video compression and processing, 3D systems, wireless...