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Altera_Forum's avatar
Altera_Forum
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13 years ago

How to capture wireless signal?

Hi friends,

I am looking for a way to capture wireless signal from the air to FPGA. Please guide me how to do that with Cyclone IV GX Starter kit.

Thank you very much. :)

1 Reply

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    13 years ago

    Try looking for a RF Transciever module on the internet. Such a module should be a simple board that has an antenna, tuner, amp, and a digital interface. It will likely have about 4 digital I/O pins that can be connected on the FPGA board's GPIO.

    You can build an embedded SOPC with a NIOS CPU that controls the transciever, and that sends/recieves the information on the channel you want to tune into.

    As an experiment you could use two such transciever modules; one of the modules could be connected to a breadboard with a microcontroller and LED, and the other module could be connected to the FPGA. Then have the FPGA send commands over the air to the other module, which the microcontroller can then decode and then light the led.

    A wireless light switch... A good way to experiment with FPGA wireless.