Results 91 to 100 of about 4,370 (221)
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. +3 more
core +1 more source
A hybrid mode locked laser as millimetre wave modulated data source for radio-over-fiber systems [PDF]
, 2009 The paper presents a characterisation of a hybrid mode locked laser under external injection locking. It shows how such a system can be used to transmit baseband data without the requirement of an external ...
Cryan, MJ, Khawaja, BAM
core +2 more sources
IEEE Access, 2019 The ever-increasing proliferation of mobile users and new technologies, and the demands for ubiquitous connectivity, high data capacity, faster data speed, low latency, and reliable services have been driven the quest for the next generation, fifth ...
Khan Zeb, Xiupu Zhang, Zhenguo Lu
doaj +1 more source
Theoretical and experimental design of an alternative system to 2 x 2 MIMO for LTE over 60 km directly modulated RoF link [PDF]
, 2012 Relay nodes (RN) are used as an important structure to extend the coverage of the Third Generation Partnership Program’s Long Term Evolution (3GPP-LTE). The promising technology as the interface between eNodeB (eNB) and RN is radio-over-fibre (RoF), due ...
Ghassemlooy, Zabih +3 more
core +1 more source
Frequency Up-Conversion Technique for Radio Over Fiber (RoF) Remote Antenna Unit Configuration [PDF]
The Open Electrical & Electronic Engineering Journal, 2012 This work involves in transmitting of intermediate frequency (IF) signal over fiber utilizing photonics frequency conversion, which, the main focus is the development of optical front-end receiver. The system uses photodiode and heterojunction bipolar transistor (HBT) to detect and up-convert the received IF modulated optical signal.
openaire +1 more source
KINERJA ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS (OFDMA) PADA TEKNOLOGI RADIO OVER FIBER (ROF)
Gema Teknologi, 2019 Amalia Eka Rakhmania, Sholeh Hadi Pramono, Dwi Fadila Kurniawan, in this paper explain that radio over Fiber (RoF) is a technology that integrates wireless and wireline transmission system to transmit radio signal through optical fibre cable. This paper evaluates the performance of Orthogonal Frequency Division Multiple Access (OFDMA) implemented in ...
Amalia Eka Rakhmania +2 more
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Direct and External Intensity Modulation in OFDM RoF Links
IEEE Photonics Journal, 2015 Radio-over-fiber (RoF) systems comprise light modulation and transmission of millimeter-wave signals over fiber links. The aim of this study is to investigate the performance of external and direct intensity modulation in RoF links and to analyze the ...
Sinan A. Khwandah +5 more
doaj +1 more source
Estudo comparativo entre sistemas RoF com modulação directa e com modulação externa [PDF]
, 2011 O RoF (Radio over Fiber) é uma tecnologia que permite a transmissão de sinais rádio de elevada largura de banda, fornecida pela fibra óptica, e simultaneamente mantêm a característica de mobilidade das redes de comunicação móvel.
Jerónimo, Rúben Fernando Cavaleiro
core
Demonstration of wireless backhauling over long-reach PONs [PDF]
, 2012 An IEEE 802.16e-2005 (WiMAX) compliant, longreach passive optical network is demonstrated, focusing on the development of next generation optical access with transparent wireless backhauling.
Kourtessis, Pandelis +4 more
core +1 more source
FTTA System Demo Using Optical Fiber-Coupled Active Antennas
Photonics, 2014 The convergence of optical and wireless systems such as Radio-over-Fiber (RoF) networks is the key to coping with the increasing bandwidth demands due to the increasing popularity of video and other high data rate applications.
Niels Neumann +3 more
doaj +1 more source