Transmission method which combines pulse position and phase modulation and allows more than one pulse to be active per time period
A phase and pulse technology, applied in the field of signal propagation, can solve problems such as increase
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[0023] Please refer first to Fig. 1A-1D, they have shown the pattern 100 of the pulse position 110 of the digital pulse position modulation (PPM) method of conventional prior art, wherein, data is positioned at a certain pulse position in four pulse positions 110 Pulse 120 is encoded. To help better understand the invention, a brief introduction to PPM is helpful.
[0024] A conventional PPM provides a data stream to be split into individual sample values, and then a single pulse 120 is used to transmit one sample value. Figures 1A-1D show four possible values, or pulse positions 110, of a pulse 120 within a discrete time span. The four pulse positions 110 can also be considered to be in a set of four time slots.
[0025] Data or information in samples is transmitted by varying the position of pulses 120 in groups of time slots over discrete time spans. The entire data stream is transmitted using a series of pulse position 110 transmissions. A single pulse 120 in successiv...
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