Radio-over-Fiber Techniques for Millimeter Wave Wireless Applications

Ng’oma, Anthony

doi:10.1109/mwp.2015.7356686

Cited by 11 publications

(6 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The emission of monochromatic waves with frequency ω is determined by the Helmholtz equations following from the system of equations (1).…”

Section: mentioning

confidence: 99%

“…A promising direction of radiophotonics in the field of telecommunications is the development of Radio-over-fiber (RoF) systems [1], which use the transmission of mi-crowave radio signals over optical fiber without need of GHz local oscillator (LO) at the remote antenna unit (RAU), which makes it possible to directly convert modulated optical signal into radio domain (after amplification and filtering) and transmit it in air channel. In the context of the development of RoF systems, the problem arises of converting signals that carry orbital angular momentum in the optical domain into signals that carry OAM in the radio range.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Propagation and Transformation of Vortexes in Linear and Nonlinear Radio-photon Systems

Bagmanov¹,

Sultanov²,

Meshkov³

et al. 2021

Preprint

View full text Add to dashboard Cite

The article is devoted to issues related to the propagation and transformation of vortexes in the optical range of frequency. Within the framework of the traditional and modified model of slowly varying envelope approximation (SVEA), the process of converting vortex beams of the optical domain into vortex beams of the terahertz radio range based on nonlinear generation of a difference frequency in a medium with a second-order susceptibility is considered. The modified SVEA splits a slowly varying amplitude into two factors, which makes it possible to more accurately describe the three-wave mixing process. The theoretical substantiation of the rule of vortex beams topological charges conversion is given – the topological charge of the output radio-vortex beam is equal to the difference between the topological charges of the input optical vortex beams. A numerical simulation model of the processes under consideration has been implemented and analyzed.

show abstract

“…The emission of monochromatic waves with frequency ω is determined by the Helmholtz equations following from the system of equations (1).…”

Section: mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Propagation and Transformation of Vortexes in Linear and Nonlinear Radio-photon Systems

Bagmanov¹,

Sultanov²,

Meshkov³

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

“…4 GHz resulting in 2ΔF = 46.8 GHz. This configuration resulted in two mixing products at the same frequency, IF 1 and IF 2 at 11.7 GHz. Figure 7 shows the electrical spectrum of the RF signal, heterodyne signals and their mixing products.…”

Section: Utc-pd Optoelectronic Mixer Characterizationmentioning

confidence: 99%

“…As the highest demand for mobile services comes from indoor wireless networks [1], millimeter waves (mm-waves) provide an attractive solution in indoor wireless access networks because of the large spectrum availability in the mm-wave range (30 GHz -300 GHz) [2], which allows for high speed wireless communications even at low spectral efficiency. Moreover, the high propagation loss in the mm-wave range [3] is advantageous in indoor communications since it reduces interference and allows for frequency reuse.…”

Section: Introductionmentioning

confidence: 99%

5 Gbps wireless transmission link with an optically pumped uni-traveling carrier photodiode mixer at the receiver

et al. 2018

View full text Add to dashboard Cite

Abstract:We report the first demonstration of a uni-traveling carrier photodiode (UTC-PD) used as a 5 Gbps wireless receiver. In this experiment, a 35.1 GHz carrier was electrically modulated with 5 Gbps non-return with zero on-off keying (NRZ-OOK) data and transmitted wirelessly over a distance of 1.3 m. At the receiver, a UTC-PD was used as an optically pumped mixer (OPM) to down-convert the received radio frequency (RF) signal to an intermediate frequency (IF) of 11.7 GHz, before it was down-converted to the baseband using an electronic mixer. The recovered data show a clear eye diagram, and a bit error rate (BER) of less than 10 −8 was measured. The conversion loss of the UTC-PD optoelectronic mixer has been measured at 22 dB. The frequency of the local oscillator (LO) used for the UTC-PD is defined by the frequency spacing between the two optical tones, which can be broadly tuneable offering the frequency agility of this photodiode-based receiver. References and links1. A. Ng'oma, "Radio-over-fiber techniques for millimeter wave wireless

show abstract

“…A promising direction of radiophotonics in the field of telecommunications is the development of Radio-over-fiber (RoF) systems [1], which use the transmission of microwave radio signals over optical fiber without need of GHz local oscillator (LO) at the remote antenna unit (RAU), which makes it possible to directly convert modulated optical signal into radio domain (after amplification and filtering) and transmit it in air channel. In the context of the development of RoF systems, the problem arises of converting signals that carry orbital angular momentum in the optical domain into signals that carry OAM in the radio range.…”

Section: Introductionmentioning

confidence: 99%

Propagation and Transformation of Vortexes in Linear and Nonlinear Radio-Photon Systems

Bagmanov

Sultanov

Meshkov

et al. 2022

Fibers

View full text Add to dashboard Cite

The article is devoted to issues related to the propagation and transformation of vortexes in the optical range of frequency. Within the framework of the traditional and modified model of slowly varying envelope approximation (SVEA), the process of converting vortex beams of the optical domain into vortex beams of the terahertz radio range based on nonlinear generation of a difference frequency in a medium with a second-order susceptibility is considered. The modified SVEA splits a slowly varying amplitude into two factors, which makes it possible to more accurately describe the three-wave mixing process. The theoretical substantiation of the rule of vortex beams topological charges conversion is given—the topological charge of the output radio-vortex beam is equal to the difference between the topological charges of the input optical vortex beams. A numerical simulation model of the processes under consideration has been implemented and analyzed.

show abstract

Radio-over-Fiber Techniques for Millimeter Wave Wireless Applications

Cited by 11 publications

References 8 publications

Propagation and Transformation of Vortexes in Linear and Nonlinear Radio-photon Systems

Propagation and Transformation of Vortexes in Linear and Nonlinear Radio-photon Systems

5 Gbps wireless transmission link with an optically pumped uni-traveling carrier photodiode mixer at the receiver

Propagation and Transformation of Vortexes in Linear and Nonlinear Radio-Photon Systems

Contact Info

Product

Resources

About