Results 81 to 90 of about 4,370 (221)

Protocol parameter selection for fiber-supported IEEE 802.16m networks [PDF]

, 2014
In this paper we investigate protocol issues that might arise due to the extra fiber propagation delay in fiber-fed IEEE 802.16m networks. Our study indicates that although the fiber delay might affect network performance, an informed choice of protocol ...
Gomes, Nathan J., Mjeku, Majlinda, Sklikas, Pavlos   +2 more
core   +1 more source

Distributed multi-user MIMO transmission using real-time sigma-delta-over-fiber for next generation fronthaul interface [PDF]

, 2020
To achieve the massive device connectivity and high data rate demanded by 5G, wireless transmission with wider signal bandwidths and higher-order multiple-input multiple-output (MIMO) is inevitable. This work demonstrates a possible function split option
Bauwelinck, Johan, Breyne, Laurens, Caytan, Olivier, Demeester, Piet, Li, Haolin, Torfs, Guy, Van Kerrebrouck, Joris, Wu, Chia-Yi   +7 more
core   +1 more source

A novel intelligent approach for man‐in‐the‐middle attacks detection over internet of things environments based on message queuing telemetry transport

Expert Systems, Volume 41, Issue 2, February 2024.
Abstract One of the most common attacks is man‐in‐the‐middle (MitM) which, due to its complex behaviour, is difficult to detect by traditional cyber‐attack detection systems. MitM attacks on internet of things systems take advantage of special features of the protocols and cause system disruptions, making them invisible to legitimate elements.
Álvaro Michelena, José Aveleira‐Mata, Esteban Jove, Martín Bayón‐Gutiérrez, Paulo Novais, Oscar Fontenla Romero, José Luis Calvo‐Rolle, Héctor Aláiz‐Moretón   +7 more
wiley   +1 more source

Analisis Kinerja Jaringan Radio over Fiber (RoF) menggunakan Optical Amplifier

Jurnal Litek : Jurnal Listrik Telekomunikasi Elektronika
Perkembangan teknologi telekomunikasi menuntut peningkatan kecepatan dan keandalan pertukaran data. Meskipun sistem transmisi kabel memiliki kecepatan tinggi dan performa prima, namun biaya instalasi yang dibutuhkan cukup besar. Sebagai solusi, Radio over Fiber (RoF) dihadirkan untuk mengintegrasikan jaringan nirkabel dan kabel.
Sabiqun Naufal, Misriana Misriana, Hanafi Hanafi   +2 more
openaire   +1 more source

Performance Analysis of DP‐QAM‐Based Optical OFDM PON Employing Optical Multicarrier

Journal of Engineering, Volume 2024, Issue 1, 2024.
This work proposes a new hybrid bidirectional standard single mode fiber (SSMF)/free space optical (FSO) dual polarization quadrature amplitude modulation (DP‐QAM) employing optical orthogonal frequency division multiplexing (OFDM). An optical multicarrier generator (OMG) source is utilized. The suggested model is simulated using VPI photonics software.
Ibrahim Luay, Tahreer Safa’a Mansour, Muhammad Nasir Khan   +2 more
wiley   +1 more source

Performance improvement and cost reduction techniques for radio over fiber communications

Advanced cost reduction and performance improvement techniques conceived for Radio Over Fiber (ROF) communications are considered. ROF techniques are expected to form the backbone of the future 5G generation of wireless networks.
El-Hajjar, Mohammed, Hanzo, L, Thomas, Varghese Antony   +2 more
core   +1 more source

Comparison of two types of 60 GHz photonic millimeter-wave generation and distribution of a 3 Gb/s OFDM signal [PDF]

, 2009
International audienceWe demonstrate and compare experimentally two set-ups achieving very high data rate (3 Gbps) wireless transmission in the 60 GHz window, both using Radio-over-Fiber (RoF) for reach extension with OFDM signal compliant to the IEEE ...
Blache, Fabrice, Charbonnier, Benoit, Enard, Alain, Goix, Michel, Lecoche, Frédéric, Li, Hong Wu, Mallecot, Franck, Tanguy, Eric, Van Dijk, Frederic   +8 more
core   +2 more sources

Temperature Impairment Characterization in Radio-Over-Multimode Fiber Systems [PDF]

, 2012
The proceeding at: SPIE Photonics West 2012.Broadband Access Communication Technologies VI., took place in 2012, January 21-26, in San Francisco, California (USA).
Sánchez Montero, David Ricardo, Vázquez García, María Carmen   +1 more
core   +2 more sources

Radio-over-modes for C-RAN architecture with smart optical resources assignment [PDF]

, 2017
In this paper we consider a centralized radio access network (C-RAN) architecture with a fully analog fronthaul link between remote radio heads (RRHs) and baseband units (BBUs) based on the radio over fiber (RoF) paradigm. Mode division multiplexing (MDM)
Boffi, Pierpaolo, Combi, Lorenzo, Gatto, Alberto, Matera, Andrea, Parolari, Paola, Spagnolini, Umberto   +5 more
core   +1 more source

Demonstration of wavelength packet switched radio-over-fiber system [PDF]

, 2007
The authors present a novel concept of employing optical wavelength packet switching in radio-over-fiber access networks. In such a system, the tunable laser (TL) would be employed as a transmitter in the central station. The optical carrier generated by
Barry, Liam P., Connolly, Eoin M., Kaszubowska-Anandarajah, Aleksandra, Perry, Philip   +3 more
core   +1 more source