Millimeter-Wave Frequency Radio over Fiber Systems: A Survey

Beas, Joaquín; Castañón, Gerardo; Aldaya, Ivan; Aragón‐Zavala, Alejandro; Campuzano, Gabriel

doi:10.1109/surv.2013.013013.00135

Cited by 187 publications

(86 citation statements)

References 181 publications

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“…The concept of RoF for indoor networking has been demonstrated in, e.g. [12,15]. Due to the small scale of indoor scenarios, the required fiber lengths are usually in the order of hundreds of meters.…”

Section: System Modelmentioning

confidence: 99%

“…The function of the radio-optical interface is to convert the signals between electrical and optical domains such that the radio signals can be transported between the APs and RAUs through the optical network (e.g. with a star topology [15]). As proposed in this paper, multiple RAUs are connected with the same AP for a single room to mitigate the human shadowing effect.…”

Section: Rof System For 60 Ghz Wlanmentioning

confidence: 99%

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Distributed Antenna System for Mitigating Shadowing Effect in 60 GHz WLAN

Wang

Debbarma

et al. 2014

Wireless Pers Commun

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The 60 GHz unlicensed frequency band has been adopted to support high data rate WLAN applications. The problem of this frequency band is that the wireless signal is vulnerable to the shadowing of objects. Especially in indoor scenarios, humans may frequently block the signal paths that cause disconnections of devices. This problem can be mitigated by using multiple antennas that can create rich signal paths between the devices. The idea presented in this paper is to employ a distributed antenna system (DAS) architecture enabled by radio-over-fiber technology to alleviate the shadowing problem. In the DAS architecture, multiple remote antenna units (RAUs), each of them equipped with an antenna array, are connected with the same WLAN access points via optical fibers. But there are questions that need to be answered, including the beamforming strategy with multiple RAUs, and the placement and the required number of the RAUs. These questions are related to factors like room size, population density, etc. We discuss these questions in this paper and present our findings through theoretical models and extensive simulations, which can be referred to for practical implementations. We find that the proposed 60 GHz DAS can significantly improve the link connectivity. Even when only two RAUs are used, the signal coverage can be improved to an acceptable percentage in heavy shadowing scenarios.

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Section: System Modelmentioning

confidence: 99%

Section: Rof System For 60 Ghz Wlanmentioning

confidence: 99%

Distributed Antenna System for Mitigating Shadowing Effect in 60 GHz WLAN

Wang

Debbarma

et al. 2014

Wireless Pers Commun

View full text Add to dashboard Cite

show abstract

“…ODSB modulation may easily be implemented using a direct modulation of the laser source [6]. Optical single sideband (OSSB) modulation scheme was then proposed for overcoming this challenge [9]. Whilst being tolerant to the fibre-dispersion-induced power attenuation, the OSSB modulation scheme requires the employment of a dual-drive modulator [3].…”

Section: Introductionmentioning

confidence: 99%

Optical single sideband signal generation relying on a single‐drive Mach–Zehnder modulator for radio over fibre communications

2016

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Optical single sideband (OSSB) signals are conventionally generated using a dual-drive Mach-Zehnder modulator (MZM) or by using a single-drive MZM in conjunction with a fibre Bragg grating filter. In this study, the authors propose and mathematically characterise a novel radio over fibre downlink in which an OSSB signal is generated using a single-drive, rather than dual-drive, MZM without any additional filter. Additionally, their proposed scheme can achieve optical upconversion of the electronic signal. Furthermore, in addition to cost advantages, the proposed scheme's BER Q3 performance is better than the classical OSSB signal generation scheme.

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“…As shown in Figure 1, the compact RoF optical access network is where high speed of text, voice, RF video data are provided to different service terminations between the OLT and ONU. RoF as an important method realizing the seamless integration of wired and wireless access system can offer high-throughput information with utilizing massive bandwidth of the fiber [5]. However, to reduce implementation costs is an essential issue for commercial applications.…”

Section: Introductionmentioning

confidence: 99%

Study on 4PAM Radio over Fiber System Using Self-Mixing Technique

Chen¹,

Shao²,

Chen³

et al. 2016

OPJ

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In this paper, a simplified optical millimeter-wave generated by two optical sidebands beating together in a 60 GHz radio over fiber (RoF) system with 10 Gbit/s 4-pulse amplitude modulation (4 PAM) transmission signal is proposed and simulated. 10 Gbit/s electrical 4 PAM signals modulated are conveyed over the length of 40 km standard single mode fiber (SMF) and recovered via the self-mixing technique after detecting directly at the receiver.

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Millimeter-Wave Frequency Radio over Fiber Systems: A Survey

Cited by 187 publications

References 181 publications

Distributed Antenna System for Mitigating Shadowing Effect in 60 GHz WLAN

Distributed Antenna System for Mitigating Shadowing Effect in 60 GHz WLAN

Optical single sideband signal generation relying on a single‐drive Mach–Zehnder modulator for radio over fibre communications

Study on 4PAM Radio over Fiber System Using Self-Mixing Technique

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