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@MASTERSTHESIS{Subraveti:844070,
      author       = {Subraveti, Janani},
      title        = {{I}mplementation of {UDP} communication on a {ZYNQ}
                      platform for processing clustered data based on multiple
                      {G}igabit {E}thernet ports for pheno{PET}},
      volume       = {4406},
      school       = {Hochsch. Bremerhaven},
      type         = {Masterarbeit},
      address      = {Jülich},
      publisher    = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
      reportid     = {FZJ-2018-01579, Juel-4406},
      series       = {Berichte des Forschungszentrums Jülich},
      pages        = {iv, 56 p.},
      year         = {2018},
      note         = {Masterarbeit, Hochsch. Bremerhaven, 2017},
      abstract     = {As part of biological research carried out on plant
                      phenotyping within the Jülich Plant Phenotyping Centre, a
                      modality to detect the positron emitting radionuclides has
                      been setup. The investigation of transport of short-lived
                      carbon isotope $^{11}$C within plants using $^{11}$CO$_{2}$
                      as radiotracer fixed during the photosynthesis dark
                      reactions is the idea behind this research. The Flow and
                      distribution of $^{11}$C-labelled photo assimilates within a
                      plant can then be imaged using the PET (Positron Emission
                      Tomography) technology. To this end, a PET imaging system
                      has been developed. This consists of scintillation detectors
                      with scintillation crystals coupled to photodetectors. The
                      radiation, which is emitted after the uptake of the
                      radiotracer, causes ligh tpulses within the scintillation
                      crystals. This light is then converted into electrical
                      signals by the photodetector. The “phenoPET” system is a
                      PET scanner dedicated for plant research that employs
                      digital SiPMs (Silicon Photo Multipliers) as photodetectors
                      organised in 36 detector modules resulting in hit events
                      based on the triggered photon counts fitted in data frames
                      by acentral FPGA based unit. Present study starts with
                      developing a prototype that uses Ethernet FMC module (from
                      Opsero Electronic Design) with four Gigabit Ethernet ports.
                      Concerning illustration based on the pre framework design of
                      data transfer from detector modules, data stream flows from
                      each detector module (consisting of 4 tiles) to the FPGA
                      board (Xilinx Kintex-7 FPGA Mini Module Plus (Avnet)) on
                      LVDS lines. From the FPGA board to the readout computer, USB
                      3.0 (at 300 MB/s (2.4 Gbps)) is used. For the connection
                      from the readout computer to the storage system (located at
                      air-conditioned place), 10 Gigabit Ethernet is used.
                      Besides, our design is an addon to the module FPGA, data
                      stream from module FPGA is sent to ZC706 evaluation board
                      (Xilinx Zynq-7000 All Programmable SoC) when the Ethernet
                      FMC module is mounted on FMC (FPGA Mezzanine Card) connector
                      of the ZC706 board. The data is received by four ports over
                      the UDP server application running on the Zynq Processing
                      System. Data reduction technique like clustering on
                      timestamps (when multiple data packets occur in an event of
                      hits) is performed in a time window between 1 - 5 ns.
                      Processed data is sent out from one of the 10 Gigabit
                      Ethernet ports on ZC706 after frame skipping technique being
                      performed on every fifth frame. This study provides a
                      measurement of Ethernet bandwidth utilization versus actual
                      bandwidth from the stress tests performed on the datagrams.
                      It provides information about the utilization of multi
                      processors when the UDP application is running.},
      cin          = {ZEA-2},
      cid          = {I:(DE-Juel1)ZEA-2-20090406},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      typ          = {PUB:(DE-HGF)3 / PUB:(DE-HGF)29 / PUB:(DE-HGF)19},
      url          = {https://juser.fz-juelich.de/record/844070},
}