نتایج جستجو برای: radio over fiber rof

تعداد نتایج: 1340509  

This study presents a full-duplex Radio-over-Fiber (RoF) system providing the users' wireless access with a bit rate of 10 Gbps over 40 GHz radio carrier. This system can be used in a centralized radio access network (C-RAN) architecture because we provide a fully analog front haul link between central station and base station. We can consider it as infrastructure between remote radio heads (RR...

2014
Rizwan Iqbal Mohammad Ali Jinnah

Radio over Fiber is the future technology. It will take over all traditional fiber technology, as it offers quality and service up to the requirement of the users. The ROF is being implemented over traditional fiber widely as it offers replacing of optical fiber’s high range and also flexible in wireless mode. Along with the ease, optical fiber bandwidth utilization increase by this. Because fi...

2015
Surbhi Jain

The optical networks are fast and error free but due to some nonlinearity effects, its performance degrades. The performance of wavelength division multiplexing (WDM) in radio over fiber (RoF) systems is found to be strongly influenced by nonlinearity characteristics inside the fiber. In this paper, we have studied the effect of four wave mixing (FWM) as one of the influential factors in the WD...

2016
Vijayakumar

Radio over Fiber (RoF) is a next generation wireless broadband Internet access technology. In Radio over Fiber system the radio signal is generated at the central station is modulated on to light and transmitted over optical fiber cable to various base stations. The base station has to convert the optical signal to an electrical signal, amplify and transmit it. Modulation of RF signal onto ligh...

2015

Radio over Fiber technology (RoF), an integration of wireless and Fiber optic networks, is an essential technology for the provision of un tethered access to broadband wireless communications in a range of applications including last mile solutions, extension of existing radio coverage and capacity, and backhaul. This paper gives the brief introduction of radio over fiber technology used in com...

Journal: :IEICE Transactions 2013
Atsushi Kanno Pham Tien Dat Toshiaki Kuri Iwao Hosako Tetsuya Kawanishi Yoshihiro Yasumura Yuki Yoshida Ken-ichi Kitayama

We propose a coherent optical and radio seamless network concept that allows broadband access without deployment of additional optical fibers within an optical fiber dead zone while enhancing network resilience to disasters. Recently developed radio-over-fiber (RoF) and digital coherent detection technologies can seamlessly convert between optical and radio signals. A millimeter-wave radio with...

2013
R. Karthikeyan

Orthogonal frequency division multiplexing (OFDM) as a modulation technology, it transmit over both wireless and optical channel, and it distribute the data over a large number of subcarrier can be overlapping. It achieved RF signal for the long haul transmission using RoF system. The RoF (Radio over Fiber) system is referred to increase the high orthogonality of the OFDM modulation signal for ...

2013
Vikas Kumar Pandey

The Radio over Fiber (ROF) communication technology combines the technical blessings of each fiber communication and wireless Cellular communication to unravel the issues of information measure, flexibility and magnetic attraction interference. Future generation of cellular Communication system should be capable of serving prime quality and broadband services even in extremely dense urban area....

Journal: :IJCNIS 2011
El-Sayed A. El-Badawy Abd El Naser A. Mohammed Ahmed Nabih Zaki Rashed Mohamed S. F. Tabbour

Radio-over-fiber (RoF) systems have been widely investigated due to such advantages of optical fiber as low loss, large bandwidth, and transparent characteristics for radio signal transmission. By utilizing RoF systems, various radio frequency (RF) signals including cellular services and wireless local area network (WLAN) signals can be efficiently distributed to densely populated areas or outd...

2013
Benjamin B. Dingel Raj Jain Katsutoshi Tsukamoto Atsushi Kanno Toshiaki Kuri Iwao Hosako Tetsuya Kawanishi Yoshihiro Yasumura Yuki Yoshida Ken-ichi Kitayama

100-GHz and 300-GHz coherent radio-over-fiber transmission using optical frequency comb source Author(s): Atsushi Kanno; Toshiaki Kuri; Iwao Hosako; Tetsuya Kawanishi; Yoshihiro Yasumura; Yuki Yoshida; Ken-ichi Kitayama Millimeter-wave and sub-millimeter-wave radio-over-fiber (RoF) technology with digital-signal-processing aided coherent detection can be a promising candidate for high-speed rad...

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