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Embedded time-multiplexed AMCC and OTDR signals for analog radio over fiber links

Optics Communications, 2019
We experimentally demonstrate an optical transmitter with embedded Auxiliary Management and Control Channel (AMCC) and in-service Optical Time Domain Reflectometer (OTDR) for Long Term Evolution-Advanced (LTE-A) data transmission in mobile fronthaul ...
Jean Pierre Von Der Weid
exaly   +2 more sources

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Analog Radio over Fiber Links for Future 5G Radio Access Networks

2019 21st International Conference on Transparent Optical Networks (ICTON), 2019
Bandwidth constraint in the radio access networks is, nowadays, a mayor problem in the implementation of next generation 5G mobile communications. In order to cope with increasing bandwidth demands, the use of the millimeter-wave (mmWave) spectrum, together with Radio over Fiber (RoF) technology has been proposed.
Diego Pérez-Galacho, Demetrio Sartiano, Salvador Sales 0001   +2 more
openaire   +1 more source

Novel broadband analog predistortion circuit for radio-over-fiber systems

2015 IEEE MTT-S International Microwave Symposium, 2015
A novel broadband analog predistortion circuit (PDC) is designed to linearize radio-over-fiber (RoF) systems. Dual Schottky diode is used as predistorter. The PDC with high bandwidth and small dimension is achieved by removing quarter-wavelength transformers and power dividers.
Ran Zhu, null Zichen Xuan, null Ye Zhang, Xiupu Zhang, Dongya Shen   +4 more
openaire   +1 more source

Linearization techniques for electro-optical modulation in analog radio over fiber

2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC), 2017
Analog Radio-over-Fiber (a-RoF) has gained increasing attention in the context of next-generation optical networks due to its spectral efficiency and lower deployment cost. However, electro-optical conversion of the information signal is delicate since the non-linear characteristic of the electro-optical modulator's transfer function causes inter ...
L.E. Ynoquio Herrera, R.G. Leibel, G.C. Amaral, J.P. von der Weid, P.J. Urban   +4 more
openaire   +1 more source

Comparison of digitized and analog radio-over-fiber systems over WDM-PON networks

2013 International Conference on ICT Convergence (ICTC), 2013
As the rapid increase in mobile data traffics, radio-over-fiber(RoF) technology is one of the possible candidates for wireless signal distribution over fiber optic links. With the combination of wavelength division multiplexing (WDM) passive optical network (PON)s RoF technique has raised great interests because it provides a large number of high ...
KyungWoon Lee, Jung Ho Park, HyunDo Jung
openaire   +1 more source

Analog and Digitized Radio-over-Fiber

2017
Radio-over-Fiber (RoF) techniques aim to simplify as much as possible the configuration and the cost of the radio terminations of wireless networks. Both wireless LANs (WLAN) and cellular networks can potentially benefit from RoF. In wireless systems, the most costly equipment is the radio oscillators today necessary at each antenna site (called remote
openaire   +1 more source

Subcarrier Multiplexing RF Plans for Analog Radio Over Fiber in Heterogeneous Networks

Journal of Lightwave Technology, 2016
Analogue Radio over Fibre together with subcarrier multiplexing and wavelength division multiplexing is proven to be more cost-efficient when compared to CPRI fronthaul solutions. Furthermore, the results of the allocation of RF channels to better exploit the available modulation bandwidth of commercial transceivers show that the uniformly spaced ...
Luca Giorgi, Gianmarco Bruno, Jeroen Nijhof, Patryk J. Urban, Gemma Vall-llosera, Filippo Ponzini, Janos Ladvanszky   +6 more
openaire   +1 more source

A 5GHz Analog Laser Diode Driver for Radio-over-Fiber Transmission Applications

Applied Mechanics and Materials, 2014
The design of an analog laser diode (LD) driver for 5GHz radio-over-fiber (ROF) transmission systems is presented in this paper. The proposed linear LD driver adopted a single-ended two-stage amplifier structure with the operating voltages of 1.8V and 3.3V respectively. The technique of self-biased cascade amplifier is employed to increase the gain and
Zheng Fei Hu, Ying Mei Chen, Min Di Huang   +2 more
openaire   +1 more source

A Laser Driver with Analog Pre-Distortion Technique for Radio-over-Fiber System

2012 8th International Conference on Wireless Communications, Networking and Mobile Computing, 2012
A 3.3V integrated laser driver with analog pre- distortion technique for Radio-over-Fiber (RoF) system is presented. This driver circuit is designed in standard CMOS 180nm technology. The core circuit current consumption is only 15mA. The entire driver circuit works in a band-pass from 1-2GHz as the system specification.
Jianheng Li, Luhong Mao, Sheng Xie, Shilin Zhang, Chunqi Yao   +4 more
openaire   +1 more source

Hybrid analog/digital wavelength-time optical CDMA systems in radio-over-fiber transmissions

The Journal of Supercomputing, 2013
This study presents a hybrid analog/digital (A/D) mechanism of two-dimensional (2-D) structure of wavelength-hopping and time-spreading coding optical code-division multiple-access (OCDMA) system for future generation communication and network technologies.
Chih-Ta Yen, Hsu-Chih Cheng, Ing-Jr Ding
openaire   +1 more source