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First EU Hackfest May 2014

The first official EU hackfest was held at KIT, in the rooms of the IIIT (many thanks to Nico Otterbach and his colleagues for providing the facilities!).

TSB modifications

  • Martin Braun: Research on moving the packet indicator tag to the end
  • multiply_matrix_ff


  • From our off-site hackfest in Aachen: Johannes et al


  • Moritz, Manu, Marcus and Felix

Multi-FSK modulator and demodulator for robust PLC

  • Damian, Jesus, Vlad, Nico and Oliver

GSoC Projects

  • gr-benchmark: Marcus
  • gr-radar: Stefan
    • Wrote unittests for FSK and CW simulators
    • Started with synchronized USRP sink/source
  • gr-trellis: Jan
    • Wrote a unittest for siso_f producing posti
    • Wrote scripts to use with gr-benchmark for viterbi_s, metrics_c and metrics_f, and siso_f (producing posti)


TX seems to work


  • Sylvain
    • Fix bugs in the frequency axis
    • Add zoom support
    • Preliminary support for CPU OpenCL implementation (with no cl/gl interop requirement)


  • Andre
    • Receiver for TI CC11xx-based devices
    • PHY working quite good, filters settings could be optimized
    • Preamble+sync word detection working, de-whitener working, CRC not tested yet

Photos of the Event

First Day:
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Moritz, Nico, Jesus and Attila

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Damian, Vlad, Martin,Matt and Marcus

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Videoconference with the guys in Aachen

Second Day:
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Sylvain (tnt), Moritz, Dimitri, Jan and Stefan

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Andre and Bastian

Third Day:

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Concluding the hackfest with a nice barbecue

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