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ON-OFF KEYING - 7-PHASE SHIFT KEYING MODULATION SYSTEM AND METHOD FOR FIBER COMMUNICATION
ON-OFF KEYING - 7-PHASE SHIFT KEYING MODULATION SYSTEM AND METHOD FOR FIBER COMMUNICATION
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机译:光纤通信的开关键控-7相移位键控调制系统和方法
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摘要
A modulation system includes a modulator configured to employ a modulation mechanism on data. The mechanism includes a signal constellation configured to map sub-carriers which include a signal to be modulated. The signal constellation has a plurality of points asymmetrically disposed on a circle about an origin and a point at the origin wherein a number of sub-carriers becomes variable over different symbol intervals. Corresponding demodulators and corresponding methods are also disclosed.
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