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|Title:||Quality monitoring of DxPSK signals by using differential phasor diagram|
|Keywords:||Differential phase-shift keying|
Optical phase modulation
|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|
|Appears in Collections:||Staff Publications|
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