Christian Wördehoff

cwoerdeh@cit-ec.uni-bielefeld.de
PEVZ-ID
20558826

29 Publikationen

Alle markieren

  • [29]
    2012 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2549895
    Al-Bermani A, Wördehoff C, Jan OHA, Puntsri K, Rückert U, Noé R (2012)
    Real-time Comparison of Blind Phase Search with Different Angle Resolutions for 16-QAM.
    Presented at the IEEE Photonics 2012 Conference (IPC12 - formerly LEOS), 23-27 September 2012, San Francisco, USA.
    PUB | DOI
     
  • [28]
    2012 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2549880
    Al-Bermani A, Wördehoff C, Puntsri K, Jan OHA, Rückert U, Noé R (2012)
    Phase Estimation Filter Length Tolerance for Real-Time 16-QAM Transmission System Using QPSK Partitioning.
    Presented at the Workshop der ITG-Fachgruppe 5.3.1, 5-6. July 2012, Gewerkschaftshaus Nürnberg.
    PUB
     
  • [27]
    2012 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2547432
    Al-Bermani A, Wördehoff C, Puntsri K, Omar J, Rückert U, Noe R (2012)
    Real-time synchronous 16-QAM Optical Transmission system Using Blind Phase Search and QPSK Partitioning Carrier Recovery Techniques.
    Presented at the Photonische Netze - 13. ITG-Fachtagung 07.05.2012 - 08.05.2012 in Leipzig, Germany.
    PUB | Download (ext.)
     
  • [26]
    2011 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2406701
    El-Darawy M, Pfau T, Wördehoff C, Hoffmann S, Noe R (2011)
    Realtime QPSK transmission with an integrated coherent optical receiver frontend.
    In: Photonics Society Summer Topical Meeting Series, 2011 IEEE. IEEE Photonics Society (Ed); Piscataway, NJ: IEEE: 115-116.
    PUB | DOI
     
  • [25]
    2011 | Konferenzbeitrag | PUB-ID: 2406730
    Al-Bermani A, Wördehoff C, Hoffmann S, Puntsri K, Rückert U, Noé R (2011)
    Realtime Implementation of Square 16-QAM Transmission System.
    Presented at the SPIE Eco-Photonics, Strasbourg, France.
    PUB | DOI
     
  • [24]
    2011 | Konferenzbeitrag | PUB-ID: 2406708
    Al-Bermani A, Wördehoff C, Hoffmann S, Rückert U, Noé R (2011)
    Synchronous 16-QAM Transmission in a FPGA-Based Coherent Receiver with Different Phase Estimation Filter Lengths.
    Presented at the ITG-Fachtagung vom 2.-3. Mai 2011, Leipzig.
    PUB | Download (ext.)
     
  • [23]
    2011 | Konferenzbeitrag | PUB-ID: 2406796
    Hoffmann S, Al-Bermani A, Wördehoff C, Rückert U, Noé R (2011)
    Kohärente optische 16-QAM-Übertragung mit ressourceneffizienter Vorwärts-Phasenschätzung.
    Presented at the Workshop der ITG-Fachgruppe 5.3.1, Technische Universität Dortmund.
    PUB
     
  • [22]
    2011 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2406697
    Al-Bermani A, Wördehoff C, Hoffmann S, Rückert U, Noé R (2011)
    Nonlinear Effect of IQ Modulator in a Realtime Synchronous 16-QAM Transmission System.
    Presented at the IEEE Photonics 2011 (IPC11), formerly (LEOS), Arlington, Virginia, USA.
    PUB | DOI
     
  • [21]
    2011 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2406803
    Noé R, Hoffmann S, Wördehoff C, Al-Bermani A, El-Darawy M (2011)
    Advances in Coherent Optical Modems and 16-QAM Transmission with Feedforward Carrier Recovery.
    In: Coherent Optical Communication: Components, Subsystems, and Systems. Proc. SPIE 7960, 79600L.
    PUB | DOI
     
  • [20]
    2011 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2307141
    Al-Bermani A, Wördehoff C, Hoffmann S, Peau T, Rückert U, Noe R (2011)
    Synchronous Demodulation of Coherent 16-QAM with Feedforward Carrier Recovery.
    IEICE Transactions on Communications E94-B(7): 1794-1800.
    PUB | DOI | WoS
     
  • [19]
    2010 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1968280
    Al-Bermani A, Wördehoff C, Hoffmann S, Sandel D, Rückert U, Noe R (2010)
    Real-Time Phase-Noise-Tolerant 2.5-Gb/s Synchronous 16-QAM Transmission.
    IEEE Photonics Technology Letters 22(24): 1823-1825.
    PUB | DOI | WoS
     
  • [18]
    2010 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1968122
    Hoffmann S, Wördehoff C, Al-Bermani A, El-Darawy M, Puntsri K, Rückert U, Noe R (2010)
    Hardware-Efficient Phase Estimation for Digital Coherent Transmission With Star Constellation QAM.
    IEEE Photonics Journal 2(2): 174-180.
    PUB | DOI | WoS
     
  • [17]
    2010 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2018530
    Hoffmann S, Wördehoff C, al Bermani A, Rückert U, Noe R (2010)
    Hardware-effiziente Phasenschätzung für kohärenten QAM-Empfang mit regulären Stern-Konstellationen.
    In: 11. ITG-Fachtagung "Photonische Netze". 222. ITG/VDE: 221-224.
    PUB | Download (ext.)
     
  • [16]
    2010 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2019035
    El-Darawy M, Pfau T, Wördehoff C, Noe R (2010)
    Performance of Modified Decision-Directed Polarization Control/Demultiplex Algorithm in Coherent QAM Receiver.
    In: Proc. OFC/NFOEC 2010. Institute of Electrical and Electronics Engineers, Optical Society of America (Eds); Piscataway, NJ: IEEE Xplore.
    PUB | DOI | Download (ext.)
     
  • [15]
    2010 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2018490
    al Bermani A, Noe R, Hoffmann S, Wördehoff C, Rückert U, Pfau T (2010)
    Implementation of Coherent 16-QAM Digital Receiver with Feedforward Carrier Recovery.
    In: Signal Processing in Photonic Communications. IEEE Xplore.
    PUB | Download (ext.)
     
  • [14]
    2010 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2018497
    Al Bermani A, Wördehoff C, Hoffmann S, Puntsri K, Pfau T, Rückert U, Noe R (2010)
    Realtime 16-QAM Transmission with Coherent Digital Receiver.
    In: OECC 2010. IEEE Xplore.
    PUB | Download (ext.)
     
  • [13]
    2010 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2018505
    al Bermani A, Wördehoff C, Pfau T, Hoffmann S, Rückert U, Noe R (2010)
    First Realtime Synchronous 16-QAM Transmission with Coherent Digital Receiver.
    In: 11. ITG-Fachtagung "Photonische Netze". 222. ITG/VDE: 153-156.
    PUB | Download (ext.)
     
  • [12]
    2010 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2019072
    Noe R, Hoffmann S, Wördehoff C, El-Darawy M (2010)
    Digital Coherent Transmission Systems.
    In: Signal Processing in Photonic Communications. Tutorial SPWA1.
    PUB | DOI | Download (ext.)
     
  • [11]
    2009 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2144795
    El-Darawy M, Herath V, Pfau T, Hoffmann S, Peveling R, Adamczyk O, Wördehoff C, Noe R, Rückert U (2009)
    Analysis of an ASIC-based Coherent Polarization-Multiplexed QPSK Receiver and Different Receiver Frontends.
    In: 10. ITG-Fachtagung "Photonische Netze". Leipzig, Germany: ITG/VDE.
    PUB | Download (ext.)
     
  • [10]
    2009 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2493834
    Herath V, Peveling R, Pfau T, Adamczyk O, Hoffmann S, Wördehoff C, Porrmann M, Noe R (2009)
    Cipset for a Coherent Polarization-Multiplexed QPSK Receiver.
    In: Proceedings of OFC/NFOEC 2009. Institute of Electrical and Electronics Engineers, Optical Society of America (Eds); Piscataway, NJ: OSA.
    PUB | DOI
     
  • [9]
    2009 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2144809
    Hoffmann S, El-Darawy M, Pfau T, Wördehoff C, Peveling R, Rückert U, Noe R (2009)
    Realtime Phase Tracking with Multiplier-Free Barycenter Approximation in Digital Synchronous QPSK Receiver for Coherent Detection.
    In: LEOS, Annual Meeting 2009. IEEE Photonics Society (Ed); Belek-Antalya, Turkey: IEEE.
    PUB | DOI
     
  • [8]
    2009 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2493855
    Pfau T, Peveling R, Herath V, Hoffmann S, Wördehoff C, Adamczyk O, Porrmann M, Noe R (2009)
    Towards Real-Time Implementation of Coherent Optical Communication.
    In: Proceedings of OFC/NFOEC 2009. Institute of Electrical and Electronics Engineers, Optical Society of America (Eds); Piscataway, NJ: OSA.
    PUB | DOI
     
  • [7]
    2009 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2144856
    Hoffmann S, Herath V, El-Darawy M, Pfau T, Wördehoff C, Peveling R, Rückert U, Noe R (2009)
    Multiplier-Free Realtime Phase Tracking in Digital Synchronous QPSK, Receiver for Coherent Optical Detection.
    In: ICIIS2009, CIE3-1, 28.-31. Dec. 2009, University of Perydenia, Sri Lanka. Institute of Electrical and Electronics Engineers (Ed); Piscataway, NJ: IEEE.
    PUB | DOI
     
  • [6]
    2008 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2493900
    Pfau T, Wördehoff C, Peveling R, Ibrahim SK, Hoffmann S, Adamczyk O, Bhandare S, Porrmann M, Noe R, Porte H, Achiam Y, Hauden Y, Grossard N, Schlieder D, Koslovsky A (2008)
    Ultra-Fast Adaptive Digital Polarization Control in a Realtime Coherent Polarization-Multiplexed QPSK Receiver.
    In: Proceedings of OFC/NFOEC 2008. .
    PUB | Download (ext.)
     
  • [5]
    2008 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2493648
    El-Darawy M, Pfau T, Hoffmann S, Peveling R, Wördehoff C, Koch B, Porrmann M, Adamczyk O, Noe R (2008)
    Fast Adaptive Polarization and PDL Tracking in a Real-Time FPGA-Based Coherent PolDM-QPSK Receiver.
    IEEE Photonics Technology Letters 20(21): 1796-1798.
    PUB | DOI | WoS
     
  • [4]
    2008 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2493667
    Hoffmann S, Bhandare S, Pfau T, Adamczyk O, Wördehoff C, Peveling R, Porrmann M, Noe R (2008)
    Frequency and Phase Estimation for Coherent QPSK Transmission With Unlocked DFB Lasers.
    IEEE Photonics Technology Letters 20(18): 1569-1571.
    PUB | DOI | WoS
     
  • [3]
    2008 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2494141
    El-Darawy M, Pfau T, Wördehoff C, Koch B, Hoffmann S, Peveling R, Porrmann M, Noe R (2008)
    Realtime 40 krad/s Polarization Tracking with 6 dB PDL in Digital Synchronous Polarization-Multiplexed QPSK Receiver.
    In: Proceedings of European Conference on Optical Communication (ECOC). IEEE.
    PUB | DOI
     
  • [2]
    2008 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2493966
    Hoffmann S, Pfau T, Adamczyk O, Wördehoff C, Peveling R, Porrmann M, Noe R (2008)
    Frequency Estimation and Compensation for Coherent QPSK Transmission with DFB Lasers.
    In: Proc. OSA Topical Meeting Coherent Optical Technologies and Applications (COTA). OSA.
    PUB | DOI | Download (ext.)
     
  • [1]
    2008 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 2494096
    Pfau T, El-Darawy M, Wördehoff C, Peveling R, Hoffmann S, Koch B, Adamczyk O, Porrmann M, Noe R (2008)
    32-krad/s Polarization and 3-dB PDL Tracking in a Realtime Digital Coherent Polarization-Multiplexed QPSK Receiver.
    In: Proceedings of the 2008 IEEE-LEOS Summer Topical Meetings. IEEE Lasers and Electro-Optics Society (Ed); Piscataway, NJ: IEEE: 105-106.
    PUB | DOI
     
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