Transmission system for coded data on power lines - uses low frequency modulator for high frequency carrier to transmit digitally coded data with noise filteringA data coding circuit comprises a keyboard with a BCD encoder. Several memory circuits are validated by a shift register which controls ...
The modulator may be coupled to the local oscillator circuits for modulating the first carrier signal or the second carrier signal with a first transmit base data signal. The demodulator may be for demodulating the first carrier signal or the second carrier signal to produce a first receive base...
compresses it, adds error-correction code, and packs several signals to make best use of the channel capacity. To transmit RF signals (which exist in the “real” world of analog energy), the digital signal is converted into analog and modulated on a carrier frequency for transmission. ...
In this paper, we propose a jointly modulated amplifying programmable metasurface (APM) as a SWIPT transmitter to transmit information and energy simultaneously. The APM consists of periodical amplifying unit cells to increase the maximum power of reflected waves. Each amplifying unit cell can be deco...
In recent years, there has been an increased interest in continuous monitoring of patients and their Implanted Medical Devices (IMDs) with different wireless technologies such as ultrasounds. This paper demonstrates a high data-rate intrabody communicati
The AD9361/AD9364 are zero-IF transceivers with I and Q channels to transmit the complex data. The complex data includes real and imaginary parts, corresponding to I and Q respectively, which locate at the same frequency bandwidth to double the spectrum efficiency when com...
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Finally, the proposed circuit was validated through simulations and experiments, demonstrating a power delivery to a load of 84.1 mW with a power transmission efficiency of 70.8% at a data rate and carrier frequency of 3 Mbps and 16 MHz, respectively. Furthermore, the bit error rate (BER) ...
transmit two-path synthesized vortex beams, with which we could encode four data streams into the amplitude of each vortex beam in 2ASK format (see Supplementary Note6for details). The data-carrying signal is in pulse modulation with a pulse period of 20T0(T0refers to the period of carrier ...
A high-speed transmitter and receiver are provided. In one embodiment, a transmitter comprises a baseband processor structured to receive data and to convert the data into a multipl