Radio-over-Fiber Systems for Wireless Communications

Aragón‐Zavala, Alejandro; Castañón, Gerardo; Beas, Joaquín

doi:10.2174/1874476111104020114

Cited by 6 publications

(3 citation statements)

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“…RoF jointly takes advantage of the huge bandwidth offered by the optical fibers with the mobility and flexibility provided by wireless systems [13,14]. The scarcity of the spectrum in the lower region of the microwave frequency band, where many mobile and wireless communication services operate, has led to the interest in mmWave communication systems.…”

Section: Mmwave Arof Systemsmentioning

confidence: 99%

Modulation and Equalization Techniques for mmWave ARoF

Santacruz

Farooq

Atra

et al. 2021

Enabling 6G Mobile Networks

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Section: Mmwave Arof Systemsmentioning

confidence: 99%

Modulation and Equalization Techniques for mmWave ARoF

Santacruz

Farooq

Atra

et al. 2021

Enabling 6G Mobile Networks

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“…At present, WGMs have been widely employed in optical communication, , optical modulation, , quantum optics, , nonlinear optics, , and ultra-high sensitivity sensing. − On the other hand, the existing optical signal strength loss per kilometer of the commercial communication optical fiber is only lower than 0.2 dB. If repeaters or optical amplifiers can amplify signals, then thousands of kilometers of signal transmission can be successfully achieved. − Accordingly, the optical fiber can act as one of the best candidates for all-optical networks. − However, thus far, the optical performance of non-volatile all-optical operational platforms by complying with optical fibers has been rarely explored. , Thus, the combination of WGMs and optical fiber can indeed create powerful tools that exhibit their advantages, such as high sensitivity, high flexibility, and long-distance signal transmission capabilities.…”

Section: Introductionmentioning

confidence: 99%

A Non-volatile Quasi-Continuous All-Optical Fiber Programmable Platform Based on GST-Coated Microspheres

et al. 2022

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It is recognized to be challenging to develop a continuous programmable platform for all-optical modulation characterized by macro-scale, long-distance transmission, and effective regulation. This study combines low-loss optical fiber and Ge2Sb2Te5 (GST)-coated microspheres for the first time to demonstrate a large-scale, non-volatile, and quasi-continuous all-optical programming platform. With the help of external modulation of a 793 nm continuous-wave (CW) laser and 532 nm nanosecond pulsed laser, the all-optical modulation scheme here allows the repeatable operations between switching states and provides convenient and reliable access to any potential from 0 to 8 levels. The multi-level modulation is realized by a 793 nm CW laser with different output powers from 6.1 to 12.1 mW, and the reset step is implemented by two 532 nm nanosecond pulses with an average power of 45 mW. As a result, a non-volatile optical modulation with a high extinction ratio, as large as 15 dB, is demonstrated. Moreover, a demonstration of alphabetic compilation in principle is performed to prove the practical potential of the proposed all-optical modulation system in the construction of the storage memory and the programmable platform. Hopefully, this study can lay some experimental basis and operating experience for all-optical fiber non-volatile optical networks from micro to macro.

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“…At the BS the optical signal is converted back to electrical domain and given to the mobile end user (MU) [3]. In the same way radio signals from the MU are received by BSs, electrical to optical conversion is done and transmits the information via OFN to the CS.…”

mentioning

confidence: 99%

Performance analysis and optimization of radio over fiber link

Joseph

Prince

2014

2014 International Conference on Communication and Signal Processing

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This paper is an attempt for a thorough appraisal of Radio over Fiber (RoF) systems. RoF system is divided into three main subsystems: Central Station (CS), Optical Fiber Network (OFN) and Base Station (BS). Each subsystem has its own functions, such as signal generation and modulation techniques at the central station, optical fiber characteristics and the detection at the base station. In this paper the merits of RoF systems have acknowledged. The radio frequency and optical modulation techniques, fiber characteristics and detection techniques are studied. The impact of technology choice is reviewed and comparison of optical modulation techniques, optical fiber and receiver are presented.There has been a significant efforts dedicated to the merging of radio frequency and optical fiber technologies targeting the distribution of radio wave signals, in the recent years. The domain of Radio over Fiber (RoF) technologies and systems took birth from these endeavors. This kind of systems promises a secure, cost-effective, and high-capacity mobile and wireless access for the prospect facilitation of broadband, interactive, and multimedia wireless services.

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Radio-over-Fiber Systems for Wireless Communications

Cited by 6 publications

References 0 publications

Modulation and Equalization Techniques for mmWave ARoF

Modulation and Equalization Techniques for mmWave ARoF

A Non-volatile Quasi-Continuous All-Optical Fiber Programmable Platform Based on GST-Coated Microspheres

Performance analysis and optimization of radio over fiber link

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