Results 31 to 40 of about 825,011 (350)

Secure DNA-Coding Image Optical Communication Using Non-Degenerate Hyperchaos and Dynamic Secret-Key

Mathematics, 2022
With the aim of tackling insufficient security in the chaotic encryption algorithm for digital images in the Optical Access Network, a color image encryption scheme combining non-degenerate discrete hyperchaotic system and deoxyribonucleic acid (DNA ...
Heping Wen, Zhen Liu, Haowen Lai, Chongfu Zhang, Linhao Liu, Jieyi Yang, Yiting Lin, Yunqi Li, Yunlong Liao, Linchao Ma, Zefeng Chen, Rui Li   +11 more
doaj   +1 more source

Multicast Routing in Optical Access Networks [PDF]

, 2010
Widely available broadband services in the Internet require high capacity access networks. Only optical networking is able to efficiently provide the huge bandwidth required by multimedia applications. Distributed applications such as Video-Conferencing, HDTV, VOD and Distance Learning are increasingly common and produce a large amount of data traffic,
Molnár, Miklós, Zhou, Fen, Cousin, Bernard   +2 more
openaire   +2 more sources

High-Capacity Free Space Optics-Based Passive Optical Network for 5G Front-Haul Deployment [PDF]

, 2023
With the expansion of Information and Communication Technology, it is important to develop a communication network that can provide high-capacity ubiquitous connectivity.
Sibghat Ullah, Jahangir Khan, Peer Meher Ali Shah, Muhammad Kamran, Rahat Ullah, Jianxin Ren, Waqas A. Imtiaz, Shuaidong Chen   +7 more
core   +1 more source

Integrating Optical and Wireless Techniques towards Novel Fronthaul and Access Architectures in a 5G NR Framework

Applied Sciences, 2021
The fifth-generation of mobile network (5G) and beyond requires a radio access network (RAN) update in order to cope with the incoming increase of wireless data traffic and new applications.
Ramon Maia Borges, Celso Henrique de Souza Lopes, Eduardo Saia Lima, Marco Aurélio de Oliveira, Matheus Sêda Borsato Cunha, Luciano Camilo Alexandre, Luis Gustavo da Silva, Luiz Augusto Melo Pereira, Danilo Henrique Spadoti, Murilo Araujo Romero, Arismar Cerqueira Sodré Junior   +10 more
doaj   +1 more source

An OFDMA-based optical access network architecture exhibiting ultra-high capacity and wireline-wireless convergence

IEEE Communications Magazine, 2012
Ioannis Tomkos, Juerg Leuthold, Pandelis Kourtessis   +2 more
exaly   +2 more sources

Coexistence in future optical access networks from an operator’s perspective [Invited]

Journal of Optical Communications and Networking, 2023
In this paper, we address the challenges related to the simultaneous operation of legacy and future network technologies in passive optical networks (PONs) and point-to-point topologies.
F. Saliou, G. Simon, S. Le Huérou, P. Chanclou, J. Potet, Georges Gaillard, Ugo Percevault, Dylan Chevalier, J. Zandueta, Bo-Shen Yang, C. Vagionas, M. Gatzianas, G. Kalfas, T. Moschos, A. Miliou, N. Pleros   +15 more
semanticscholar   +1 more source

Is fiber the catalyst for growth of the mobile wireless network? [PDF]

, 2015
This paper will focus on how the growth of the mobile wireless technology can be supported by optical fiber, through wireless over fiber technologies. The paper will include recent advances in the field of fiber-wireless convergence such as cloud-based ...
Ng, Wai Pang, Kanesan, Thavamaran, T. Kanesan, W. P. Ng   +3 more
core   +1 more source

Dynamically reconfigurable optical access network [PDF]

, 2009
This dissertation presents the research results on a fiber-optic high-bitrate access network which enables dynamic bandwidth allocation as a response to varying subscribers' demands and bandwidth needs of emerging services. The motivation of the research
Urban, PJ Patryk, Urban, P.J.
core   +1 more source

Chaotic Spread Spectrum Technology for Optical Code Division Multiple Access Passive Optical Network

Guangtongxin yanjiu, 2021
Aiming at the problem of capacity in Wavelength Division Multiplexing-Passive Optical Network (WDM-PON), Optical Code Division Multiple Access WDM-PON (OCDMA-WDM-PON) based on chaotic spread spectrum is proposed to expand the capacity and rate, ensuring ...
Li-wei YANG, Jia-cheng LAI, Shu-ke WANG, Xiang-cheng YI, Xin-lai LIU   +4 more
doaj   +1 more source

Flexibility level adjustment in reconfigurable WDM-TDM optical access networks [PDF]

, 2012
Optical access networks have been widely adopted to support the exponential growth in bandwidth demand. To further fulfill the growth efficiently, reconfigurable WDM-TDM optical access networks have been proposed in which optical network units (ONUs) can
Okonkwo, C.M., Tangdiongga, E Eduward, Tran, N.C., Tangdiongga, E., Tran, NC Karl, Koonen, AMJ Ton, Tangdiongga, E.; id_orcid, Koonen, A.M.J., Okonkwo, C.M.; id_orcid, Okonkwo, CM Chigo   +9 more
core   +1 more source