Results 81 to 90 of about 4,917 (222)

Investigation of performance issues affecting optical circuit and packet switched WDM networks [PDF]

, 2009
Optical switching represents the next step in the evolution of optical networks. This thesis describes work that was carried out to examine performance issues which can occur in two distinct varieties of optical switching networks.
Smyth, Frank
core  

Orthogonal wavelength-division multiplexing using coherent detection

, 2007
Optical wavelength-division multiplexing (WDM) with channel spacing equal to the symbol rate is demonstrated.Coherent detection with subsequent digital signal processing is used for demultiplexing and demodulation.
Li, Guifang, Goldfarb, Gilad, Taylor, Michael G.   +2 more
core   +2 more sources

A 5G C-RAN Optical Fronthaul Architecture for Hotspot Areas Using OFDM-Based Analog IFoF Waveforms

Applied Sciences, 2019
Analog fronthauling is currently promoted as a bandwidth and energy-efficient solution that can meet the requirements of the Fifth Generation (5G) vision for low latency, high data rates and energy efficiency.
Charoula Mitsolidou, Christos Vagionas, Agapi Mesodiakaki, Pavlos Maniotis, George Kalfas, Chris G. H. Roeloffzen, Paul W. L. van Dijk, Ruud M. Oldenbeuving, Amalia Miliou, Nikos Pleros   +9 more
doaj   +1 more source

AI Driven Optimization in WDM (Wavelength Division Multiplexing) Systems

Wavelength Division Multiplexing (WDM) systems have transformed optical communication by facilitating the simultaneous transmission of multiple data streams over a single optical fibre. However, as data demands increase, traditional approaches to managing system performance face limitations. Artificial Intelligence (AI) presents an innovative solution,
Shivam Kumar, Madhumathy P, Kavitha. N
openaire   +1 more source

Research on Four Core Fiber WDM Device Technology

Guangtongxin yanjiu
Space division multiplexing technology is one of the effective ways to improve the transmission capacity of optical communication system. The main technologies include Multi Core Fiber (MCF), few mode multiplexing and orbital angular momentum ...
CHEN Li, XIAO Qingming, WANG Min, JIANG Lei   +3 more
doaj  

Applications of perfect difference codes in fiber-optics and wireless optical code-division multiplexing/multiple-access systems

, 2012
After establishing itself in the radio domain, Spread spectrum code-division multiplexing/multiple-access (CDMA) has seen a recent upsurge in optical domain as well.
Umrani, Fahim Aziz
core  

Flexible Baseband-Unit Aggregation Enabled by Reconfigurable Multi-IF Over WDM Fronthaul

IEEE Photonics Journal, 2018
In cloud-radio access network, baseband-unit (BBU) aggregation schemes have been intensively discussed to improve the efficiency of resources in light traffic times.
Haiyun Xin, Hao He, Kuo Zhang, Syed Baqar Hussain, Weisheng Hu   +4 more
doaj   +1 more source

Silicon photonic transmitter and receiver for hybrid multiplexing systems

Chip
High-capacity on-chip optical transmitters and receivers are crucial for data transmissions. Currently, advanced multiplexing technologies, including wavelength division multiplexing (WDM), mode-division multiplexing (MDM), and polarization-division ...
Yingying Peng, Hengzhen Cao, Jin Xie, Weike Zhao, Yuluan Xiang, Dajian Liu, Zejie Yu, Daoxin Dai   +7 more
doaj   +1 more source

Distributed Multi-target Localization System Based on Optical Wavelength Division Multiplexing Network

Leida xuebao, 2019
A distributed multi-target localization system based on optical Wavelength Division Multiplexing (WDM) network is demonstrated. The wideband orthogonal waveforms are generated by introducing the chaotic OptoElectronic Oscillator (OEO).
ZHU Dan, XU Weiyuan, CHEN Wenjuan, LIU Jiang, PAN Shilong   +4 more
doaj   +1 more source

Few-Mode Fiber with Low Spontaneous Raman Scattering for Quantum Key Distribution and Classical Optical Communication Coexistence Systems

Sensors
In this paper, the theoretical model of spontaneous Raman scattering (SpRS) in few-mode fiber (FMF) is discussed. The influence of SpRS on quantum key distribution (QKD) in FMF is evaluated by combining wavelength division multiplexing (WDM) and space ...
Qi Zhao, Jianjun Tang, Weiwen Kong, Zhenyu Zhao, Jingjing Zheng, Yang Liu   +5 more
doaj   +1 more source