Results 41 to 50 of about 631,150 (90)

Turbo trellis-coded hierarchical modulation assisted decode-and-forward cooperation

open access: yes
Hierarchical modulation, which is also known as layered modulation, has been widely adopted across the telecommunication industry. Its strict backward compatibility with single-layer modems and its low complexity facilitate the seamless upgrading of ...
Ng, Soon Xin, Hanzo, Lajos, Sun, Hua
core   +1 more source

Multi-Harmonic Modulation in a Fiber-Optic Gyroscope. [PDF]

open access: yesSensors (Basel), 2023
Miranda M   +3 more
europepmc   +1 more source

Optimum Mode-Switching-Assisted Constant-Power Single- and Multicarrier Adaptive Modulation

open access: yes, 2003
A set of optimum mode-switching levels is derived for a generic constant-power adaptive-modulation scheme based on a closed-form expression of the average bit error ratio (BER) and the average bits-per-symbol (BPS) throughput of the adaptive-modulation ...
Choi, B.J., Hanzo, L.
core   +1 more source

Spectral control of nonclassical light pulses using an integrated thin-film lithium niobate modulator. [PDF]

open access: yesLight Sci Appl, 2022
Zhu D   +13 more
europepmc   +1 more source

Modulator-free quadrature amplitude modulation signal synthesis

open access: yes, 2014
The ability to generate high-speed on-off-keyed telecommunication signals by directly modulating a semiconductor laser’s drive current was one of the most exciting prospective applications of the nascent field of laser technology throughout the 1960s ...
Kelly, Brian   +6 more
core   +1 more source

Metasurfaces: physics and applications in wireless communications. [PDF]

open access: yesNatl Sci Rev, 2023
Ataloglou VG   +2 more
europepmc   +1 more source

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