In this paper, a novel N-tone multitone quadrature-amplitude-modulation (QAM) transmission waveform carrying $(N-1)$ information symbols, is proposed for an integrated information-energy receiver with ...

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Abstract: High modulation depth fiber-based modulators working at terahertz (THz) wavelength are of paramount importance for the application of THz communication technology by taking advantages of the ...

Guangdong Basic Research Center of Excellence for Ecological Security and Green Development, Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, ...

QAM Modulator and Demodulator combine two amplitude modulation signals into a single data transfer channel: 1. Technique of modifying any one characteristic (amplitude, frequency, or phase) of a ...

In this case, we need a coaxial cable where the signal flows and is connected directly to the TV set, requiring only one remote to control the program. Digital TV uses quadrature amplitude modulation ...