Poster receiver platform-080210

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software receiver platfoms

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Poster receiver platform-080210

  1. 1. Wireless Information Technology Lab Receiver platform Multi-channel receiver platform for electronic beam-forming and direction finding Antenna signal processor Antenna set Frequency extension Digital signal processor Digitizer Front-end tuner Four coherent channel with embedded controller structure is used 20-3000MHz RF and 60MHz IF frequencies SW Frequency control Antenna signal processing control RF 20-3000 MHz RF 20-3000 MHz IF 60 MHz RF IN FEU FEU FEU FEU IF OUT FCU FCU FCU FCU PCI 133 Mbyte/sec The platform is based on the following main elements: antenna set, antenna signal processor, frequency extension front-end tuner, wide-bandwidth digitizer, digital signal processor LO3 LO2 Embedded controller LO1 Physical implementation of the front-end tuner Antenna elements Wide-band active antenna elements are used Domain conversion Practical Gain 30 G [dB] 25 20 15 10 5 0 0 0,2 0,4 0,6 0,8 1 1,2 1,4 Frequency [GHz] Antenna signal processing Antenna #1 Antenna #1 Channel #1 Antenna #2 Antenna #2 Antenna selection matrix Channel #2 Antenna selection matrix 8 input 4 output Channel #3 8 input 4 output SUM Four channel 14bit 80Msps converter is used Channel #4 Antenna #8 Multi-channel processing Antenna #8 Single-channel processing Digital signal processing Radiated signal Control program of the antenna selector and front-end tuner Data recorder Measured signals Signal processor Receiver Time-frequency analyzer Off-line processing in Matlab Input parameters Result display Output signals Carrier frequency F Antenna #1 Antenna system baseline D Antenna #2 Number of antennas N Angle of reception B Type of antenna system Modulation Incident wave signal generator Modulation content Multipath parameters Noise parameters Antenna #N Number of samples: 1 Ks - 512 Ks Sample rate: 10 Msps - 80 Msps Dpt. of Wideband Infocommunications and Dpt. Electromagnetic Theory Goldmann tér. 3. Budapest 1111, HUNGARY

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