A survey on higher-order QAM constellations: Technical challenges, recent advances, and future trends
Communication system's performance is sensitive to bandwidth, power, cost etc. There have
been various solutions to improve the performance, out of them, one of the fundamental …
been various solutions to improve the performance, out of them, one of the fundamental …
Free space optics, channel models and hybrid modulation schemes: A review
Free space optical (FSO) communication system is a wireless communication technology
which possess advantages such as huge license free bandwidth and high data carrying …
which possess advantages such as huge license free bandwidth and high data carrying …
Analysis of M-QAM modulated underwater wireless optical communication system for reconfigurable UOWSNs employed in river meets ocean scenario
A Uppalapati, RP Naik… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this paper, the bit error rate (BER) performance of underwater wireless optical
communication system employing with M-ary quadrature amplitude modulation is proposed …
communication system employing with M-ary quadrature amplitude modulation is proposed …
Performance of generalized QAM/FSO systems with pointing misalignment and phase error over atmospheric turbulence channels
This article investigates the performance of free-space optical (FSO) systems using sub-
carrier quadrature amplitude modulation (SC-QAM) signaling for broadband terrestrial …
carrier quadrature amplitude modulation (SC-QAM) signaling for broadband terrestrial …
All-optical relaying FSO systems using EDFA combined with optical hard-limiter over atmospheric turbulence channels
In this paper, a novel relaying technique is proposed to improve the bit-error rate (BER)
performance and distance coverage of high-speed all-optical free-space optical (FSO) …
performance and distance coverage of high-speed all-optical free-space optical (FSO) …
Average BER performance of rectangular QAM-UWOC over strong oceanic turbulence channels with pointing error
Y Fu, Q Duan, C Huang, Y Du, L Zhou - Optics Communications, 2020 - Elsevier
We theoretically analyze the average bit error rate (ABER) performance of underwater
wireless optical communication (UWOC) systems using rectangular quadrature-amplitude …
wireless optical communication (UWOC) systems using rectangular quadrature-amplitude …
Turbulence-resilient pilot-assisted self-coherent free-space optical communications using a photodetector array for bandwidth enhancement
We experimentally demonstrate a 4-Gbit/s 16-QAM pilot-assisted, self-coherent, and
turbulence-resilient free-space optical link using a photodetector (PD) array. The turbulence …
turbulence-resilient free-space optical link using a photodetector (PD) array. The turbulence …
Performance Enhancement of FSO communication system Under Rainy Weather Environment using a novel encryption technique
Free Space Optics (FSO) has emerged as a viable solution to meet the growing demand for
high bandwidth, secure data transmission, and high speed. However, the FSO system is …
high bandwidth, secure data transmission, and high speed. However, the FSO system is …
SMF/FSO integrated dual-rate reliable and energy efficient WDM optical access network for smart and urban communities
To handle the massive high-speed internet traffic, free space optics (FSO) or single-mode
fiber (SMF) based fiber optic communication is being used everywhere across the world …
fiber (SMF) based fiber optic communication is being used everywhere across the world …
Power adaptation based on truncated channel inversion for hybrid FSO/RF transmission with adaptive combining
Hybrid free-space optical (FSO)/radio-frequency (RF) systems have emerged as a promising
solution for high-data-rate wireless communications. In this paper, we consider power …
solution for high-data-rate wireless communications. In this paper, we consider power …