Results 1 to 10 of about 7,710 (139)
A Survey of NOMA for VLC Systems: Research Challenges and Future Trends
Sensors, 2022 Visible light communication (VLC) has become a promising technology for high data rate communications and an attractive complementary to conventional radio frequency (RF) communication. VLC is a secure, energy efficient and cost-effective technology that
Mohamed Abaza +2 more
exaly +3 more sources
Nanomaterials, 2021 Quantum dots (QDs) have been widely applied in luminescent sources due to their strong optical characteristics. However, a moisture environment causes their quenching, leading to an inferior optical performance in commercial applications.
Guanwei Liang +6 more
doaj +1 more source
Research on Relay Technology of Visible Light Communication
Guangtongxin yanjiu, 2021 As a beneficial supplement to radio frequency communication, Visible Light Communication (VLC) can provide highspeed, ultra-low delay, green, low-cost, safe and reliable communication services. However, limited coverage range has become the bottleneck of
Man-jing ZHU, Yu-hao WANG, Xiao-dong LIU
doaj +1 more source
Coverage Characteristics Analysis of Heterogeneous Optical Beams based Visible Light Communications
Guangtongxin yanjiu, 2022 Due to the research paradigm of the conventional Visible Light Communications (VLC), researchers usually assume that the optical sources follow the Lambertian spatial radiation characteristics.
Ju-peng DING +4 more
doaj +1 more source
A Scheme of CAP-DPIM Hybrid Mudulation for VLC
Guangtongxin yanjiu, 2021 In order to improve the performance of indoor Visible Light Communication (VLC) system, a hybrid modulation scheme combining Carrierless Amplitude Phase (CAP) modulation and Digital Pulse Interval Modulation (DPIM) is proposed.
Jia-jun XIN, Xu-dong WANG, Nan WU
doaj +1 more source
Experimental Research on Underwater Visible LightTwo-way Voice Communication based on PIN
Guangtongxin yanjiu, 2022 Aiming at the problems of limited communication distance and low transmission rate of underwater radio frequency communication system, Visible Light Communication (VLC) system provides a solution for underwater medium and long distance high-speed ...
Jie-hui LIU +4 more
doaj +1 more source
Analisis Performansi Multi User Detection pada Kanal NLOS untuk Sistem NOMA-VLC
Jurnal Elkomika, 2021 ABSTRAK Non-orthogonal multiple access (NOMA), mulai diteliti untuk dapat digunakan sebagai teknik multiple access yang efektif pada jaringan 5G karena teknik ini dapat menghemat bandwidth modulasi.
BIMA SURYA PRATAMA +2 more
doaj +1 more source
The Performance Comparison of SC-PPM Receiver Models
Hittite Journal of Science and Engineering, 2023 Visible light communication (VLC) technology has arisen as promising candidate to solve the critical challenges of wireless communication networks. In particular, the evolving explosion in use of internet services requiring high bandwidth will soon ...
Mehmet Sonmez
doaj +1 more source
Research on SCMA-VLC Receiver based on Convolutional Neural Network
Guangtongxin yanjiu, 2022 The signal distortion caused by the limited bandwidth of Light Emitting Diode (LED) and its nonlinear electro-optic conversion severely limit the transmission performance of Visible Light Communication (VLC).
Shao-qin ZOU, Qi-wei LAI, Bang-jiang LIN
doaj +1 more source
Opto-Electronic Science, 2023 Although the 5G wireless network has made significant advances, it is not enough to accommodate the rapidly rising requirement for broader bandwidth in post-5G and 6G eras.
Zengyi Xu +14 more
doaj +1 more source