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Optical Networks - _References4_55

Optical Networks - _References4_55 - References 285 4.17 If...

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References 285 4.17 If the BER of an uncoded system is p , show that the same system has a BER of 3 p 2 + p 3 when the repetition code (each bit is repeated three times) is used. Note that the receiver makes its decision on the value of the transmitted bit by taking a majority vote on the corresponding three received coded bits. Assume that the energy per bit remains the same in both cases. References [Agr97] G. P. Agrawal. Fiber-Optic Communication Systems . John Wiley, New York, 1997. [BL90] J. R. Barry and E. A. Lee. Performance of coherent optical receivers. Proceedings of IEEE , 78(8):1369–1394, Aug. 1990. [Bur86] W. E. Burr. The FDDI optical data link. IEEE Communications Magazine , 24(5):18–23, May 1986. [CT91] T. M. Cover and J. A. Thomas. Elements of Information Theory . John Wiley, New York, 1991. [Dan95] S. L. Danielsen et al. Detailed noise statistics for an optically preamplified direct detection receiver. IEEE/OSA Journal on Lightwave Technology , 13(5):977–981, 1995. [Dar87] T. E. Darcie. Subcarrier multiplexing for multiple-access lightwave networks. IEEE/OSA Journal on Lightwave Technology , LT-5:1103–1110, 1987. [Fra98] T. Franck et al. Duobinary transmitter with low intersymbol interference. IEEE Photonics Technology Letters , 10:597–599, 1998. [Gla00] A. M. Glass et al. Advances in fiber optics. Bell Labs Technical Journal , 5(1):168–187, Jan.–Mar. 2000.
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