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Optimum Convolutional Error Correction Codes for FQPSK-B Signals

Park, Hyung-Chul   (SoC team, Hynix Semiconductor Inc.CC0008443  );
  • 초록

    The optimum convolutional error correction codes for recently standardized Feher-patented quadrature phase-shift keying (FQPSK-B) modulation are proposed. We utilize the continuous phase modulation characteristics of FQPSK-B signals for calculating the minimum Euclidean distance of convolutional coded FQPSK-B signal. It is shown that the Euclidean distance between two FQPSK-B signals is proportional to the Hamming distance between two binary data sequence. Utilizing this characteristic, we show that the convolutional codes with optimum free Hamming distance is the optimum convolutional codes for FQPSK-B signals.


  • 주제어

    Feher patented QPSK or FQPSK .   Continuous phase modulation .   Euclidean distance .   Convolutional code.  

  • 참고문헌 (12)

    1. XPSK: A New Cross-Correlated Phase-Shift Keying Modu-lation Technique , S.Kato;K.Feher , IEEE Trans. Commun. / v.COM-31,pp.701-707,
    2. Continuous Phase Modulation-Part Ⅰ: Full Response Signaling , T.Aulin;C.E.Sundberg , IEEE Trans. Commun. / v.COM-29,pp.196-209,
    3. K.Feher(et al.) , U.S. patents: 4,567,602; 4,644,545; 5,491,457; 5,784,402; 6,198,777, International Patent Cooperation Treaty(PTC) No: PCT US99/17995; International No: WO 00/10272 / v.,pp.,
    4. Bandwidth Efficiency and BER Performance of Enhanced and FEC Coded FQPSK , J.Lin;K.Feher , Proc. of ITC 2000 / v.,pp.599-608,
    5. New Modulation Techniques for Low-Cost power and Bnadwidth Efficient Satellite Earth Stations , T.Le Ngoc;K.Feher;H.Pham van , IEEE Trans. Commun. / v.COM-30,pp.275-283,
    6. Design Considerations for Deve- lopment of an Airborne FQPSK Transmitter , G.Horcher , Proc. of ITC 1999 / v.,pp.,
    7. Spectrally Efficiency of commercial Wireless and Telemetry Systems Is Doubled with IRIG 106-00 Standardized FQPSK and Is Quadrupled with FQAM , K.Feher , Proc. of ITC 2000 / v.,pp.255-237,
    8. Minimum Euclidean Distance for Combinations of Short Rate 3/1 Convolutional Codes and CPFSK Modulation , G.Lindell;C.E.Sundberg;T.Aulin , IEEE Trans. Inform. Theory / v.IT-30,pp.509-519,
    9. IRIG Standard 103-01 : Telemetry Standards , Telemetry Group, Range Commanders Council, U.S. Army, White Sands / v.,pp.,
    10. Performance Evaluation and Interpretation of Unfiltered Feher-patented Quadrature Phase Shift Keying (FQPSK) , M.K.Simon;T.Y.Yan , JPL TMO Progress Report (FQPSK) / v.,pp.,
    11. K.Feher , Wireless Digital Communications / v.,pp.,
    12. J.M.Wozencraft;I.M.Jacobs , Principles of Communication Engineering / v.,pp.264-266,

 저자의 다른 논문

  • Park, Hyung-Chul (2)

    1. 2004 "Bandwidth and Power Efficient Constant-Envelope BPSK Signals" 한국통신학회논문지. The journal of Korea Information and Communications Society. 무선통신 29 (a6): 683~689    
    2. 2004 "Partial Matched Filter for Low Power and Fast Code Acquisition of DSSS-CPFSK Signals" Journal of semiconductor technology and science 4 (3): 204~209    

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