Full-duplex radio-over-fiber system with tunable millimeter-wave signal generation and wavelength reuse for upstream signal

Wang, Yudong; Li, Pei; Li, Jing; Li, Yueqin

doi:10.1364/ao.56.004982

Cited by 8 publications

(4 citation statements)

References 38 publications

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“…The performance of a ring network topology is studied in [5] with 13 × 15 Gbit/s channels at 30 nodes with 90 users without using dispersion-compensated fiber in the presence of an erbium-doped fiber amplifier. To reduce installation cost and wavelength reuse, Wang et al [6] proposes a full-duplex fiber radio system to provide both millimeter-wave signal generation with tunable frequency multiplication factors (FMFs) and wavelength reuse for uplink data so the base station can be simplified. Pires et al [7] propose the design of bidirectional 2-fiber wavelength division multiplexing (WDM) rings with optical multiplexer section protection (OMSP) to reduce the significant cost compared to the 4-fiber configuration.…”

Section: Relatedmentioning

confidence: 99%

Study of Radio over Fiber Transmission with a Single Line in Ring Topology for Deployment of MIMO Antenna Access Points in a Cell-less Network

Sarr¹,

Diop²,

Diouf³

et al. 2023

JST

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The massive growth of wireless traffic goes hand in hand with the deployment of advanced radio interfaces as well as network densification. This growth has a direct impact on the radio access architecture, which today is moving from centralized to distributed deployments through the use of a large number of access points (APs). This paper verifies the feasibility of deploying multiple APs in series on a single line in a ring topology in a cell-less network. On the one hand, this technique will further improve the communication capacity and flexibility of a Radio-over-Fiber (RoF) based mobile communication system and will reduce its construction cost. And on the other hand, this deployment topology is a solution to achieve a massive cell-free Multiple-Input Multiple-Output (MIMO) architecture and a cost-effective fronthaul solution. First, a passive optical add/drop multiplexer (OADM) is used to extract and add downlink and uplink signals from the remote access points of one kilometer. Then, a deployment model is developed with version 17 Optisystem software. The results obtained showed that the quadrature amplitude modulation (QAM) does not adapt to this multi-carrier transmission to deploy several AP in series on a single line. Thus, the performance degradation increases when the number of APs integrated on the line increases.

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Section: Relatedmentioning

confidence: 99%

Study of Radio over Fiber Transmission with a Single Line in Ring Topology for Deployment of MIMO Antenna Access Points in a Cell-less Network

Sarr¹,

Diop²,

Diouf³

et al. 2023

JST

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“…A useful and accurate fiber delay measuring tool has emerged [34]. The fundamental concept is to convert the time fiber transmission delay into phase detection, remove uncertainty by frequency scanning, and then obtain the result using a data processor [35].…”

Section: Processing Timementioning

confidence: 99%

“…A fundamental nonlinear equalizer based on functional-link neural networks (FLNN) was developed and proven by Zhang et al in [35]. They generally use signals from two polarizations and map features as data to produce an FLNN in order to overcome fiber nonlinearity in optical communication transmission systems.…”

Section: Literature Reviewmentioning

confidence: 99%

Future trends in optical wireless communications systems: Review

Jihad,

Abd Almuhsan

2023

Technium

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Optical fibers are frequently used in data transmission systems, Because of their ability to transmit large amounts of information and dielectric nature. In central, metropolitan, or broad-area applications, network topologies incorporating many wavelengths per optical fiber are utilized to connect thousands of users with a wide variety of transmission rates and capacities. The simultaneous transmission of many wavelengths over a fiber with a nm range of 1300 to 1600 is a potent characteristic of an Optical communication network. Wavelength division multiplexing (WDM) is a method for combining various wavelengths onto a single fiber. The WDM concept, when combined with optical amplifiers, produces communication lines that enable quick communication between users across national borders. An overview of the difficulties with fiber-optic communication is provided in this paper. The areas that will be most important for the development of optical communications in the future are outlined in this study. Modern optical fibers and integrated optics were both developed in the dominion of optical machinery and parts. Optical fiber communication systems are widely used for high-speed data transmission over long distances. There are some specific details and examples of optical fiber communication systems such as Fiber Optic Cables, Light Sources, optical modulator, optical amplifier, optical receivers, fiber optical network, medical applications.

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“…Moreover, based on a 16-tupling frequency MMW generation scheme without filters, a 160 GHz electrical signal is obtained with two MZMs [18]. Other architectures with more MZMs are proposed to realize a high-band MMW signal generation [19][20][21]. However, with the increasing number of modulators, the system structure becomes more complex.…”

Section: Introductionmentioning

confidence: 99%

Multiband RoF System with Good Transmission Performance Based on Additional SCS

Liu

2022

Wireless Communications and Mobile Computing

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A wavelength division multiplexing radio-over-fiber (WDM-RoF) system that can support multiband radio signals based on an additional subcentral station (SCS) is proposed and demonstrated in this paper. The dispersion characteristics of the multiband radio signals over fiber transmission are explored, and we exploit an improved transmission structure consisting of the central station (CS), the SCS, and base stations (BSs) to optimize the antidispersion performance of the proposed RoF system. At the SCS, a dual-drive Mach-Zehnder modulator (MZM) is employed to realize a cost-effective multiband radio signal generation of WDM signals with great spectral flatness, and an optical cross-connect unit is utilized to achieve a flexible distribution of different band radio signals for remote BSs. Based on the additional SCS, we establish a verification WDM-RoF system, which can support reliable transmission of multiband radio signals including 13 GHz, 26 GHz, 39 GHz, and 52 GHz. The WDM signals with each data rate at 2.5 Gbps are successfully transmitted over a 40 km standard single-mode fiber.

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Full-duplex radio-over-fiber system with tunable millimeter-wave signal generation and wavelength reuse for upstream signal

Cited by 8 publications

References 38 publications

Study of Radio over Fiber Transmission with a Single Line in Ring Topology for Deployment of MIMO Antenna Access Points in a Cell-less Network

Study of Radio over Fiber Transmission with a Single Line in Ring Topology for Deployment of MIMO Antenna Access Points in a Cell-less Network

Future trends in optical wireless communications systems: Review

Multiband RoF System with Good Transmission Performance Based on Additional SCS

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