Please use this identifier to cite or link to this item: https://doi.org/10.1109/LPT.2009.2025869
Title: Quality monitoring of DxPSK signals by using differential phasor diagram
Authors: Takushima, Y.
Choi, H.Y.
Kim, H. 
Chung, Y.C.
Keywords: Differential phase-shift keying
Optical communication
Optical phase modulation
Issue Date: 15-Sep-2009
Source: Takushima, Y., Choi, H.Y., Kim, H., Chung, Y.C. (2009-09-15). Quality monitoring of DxPSK signals by using differential phasor diagram. IEEE Photonics Technology Letters 21 (18) : 1305-1307. ScholarBank@NUS Repository. https://doi.org/10.1109/LPT.2009.2025869
Abstract: We describe a new method for quantitative evaluation of the quality of multilevel differential phase-shift-keyed (DxPSK) signals by using a differential phasor monitor. This method measures the phase deviation of the symbols in the differential phasor diagram and estimates the bit-error rate (BER) by using a simple relation based on the Q-factor defined for multilevel DxPSK signals. We demonstrate that the proposed method can accurately estimate the BER of differential quadrature PSK and 8-ary PSK signals. © 2009 IEEE.
Source Title: IEEE Photonics Technology Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/57166
ISSN: 10411135
DOI: 10.1109/LPT.2009.2025869
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