ARoF-Fed Antenna Architectures for 5G Networks

Johannsen, Ulf; Rommel, Simon; Al-Rawi, A.; Konstantinou, Dimitrios; Bressner, Thomas A. H.; Monroy, Idelfonso Tafur; Smolders, A.B.

doi:10.1364/ofc.2019.w1i.3

Cited by 3 publications

(2 citation statements)

References 3 publications

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“…Uni-travelling carrier photodiodes (UTC-PDs) are promising candidates for the conversion of optical signals to mm-waves through optical heterodyning [4,5]. The generated mm-waves will be amplified by broadband and high-gain integrated transimpedance amplifiers (TIAs) and transmitted in the wireless domain by mm-wave antennas [6].…”

Section: Hybrid Photonic-wireless Interface Unit For 5g Base Stationsmentioning

confidence: 99%

Integrated Optical-Wireless Interface and Detection

Konstantinou

Xue

Shivan

et al. 2021

Enabling 6G Mobile Networks

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Section: Hybrid Photonic-wireless Interface Unit For 5g Base Stationsmentioning

confidence: 99%

Integrated Optical-Wireless Interface and Detection

Konstantinou

Xue

Shivan

et al. 2021

Enabling 6G Mobile Networks

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“…However, mm-wave signals suffer from excess propagation losses and building blockages leading to disruptions of the wireless links. Therefore, high-gain smart antennas with beamforming capabilities are required to overcome these impediments [3].…”

Section: Introductionmentioning

confidence: 99%

High Capacity Real-Time Hybrid Optical-Wireless 5G Fronthaul with Dynamic Beam Steering

Konstantinou

Bressner

Rommel

et al. 2021

26th Optoelectronics and Communications Conference

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Fourier-Optics Based Opto-Electronic Architectures for Simultaneous Multi-Band, Multi-Beam, and Wideband Transmit and Receive Phased Arrays

Prather

Galli²,

Schneider

et al. 2023

IEEE Access

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Current trends in wireless communications require a Base Transceiver Station (BTS) to support an ever-increasing number of antennas, wider bandwidths, multiple frequency bands, and many simultaneous beams. This is a tall order when considering all-electronic implementations, especially when operating at high carrier frequencies. We describe here Fourier-optics based opto-electronic architectures that include analog and fully connected transmit (TX) and receive (RX) implementations that support simultaneous multiband, multi-beam phased arrays where optical up-and down-conversion are used to generate IF/RF and RF/IF, respectively, signals for simultaneous multi-user and multi-beam transmission and reception over a wide range of frequencies. The proposed lens-based architectures have the ability to transmit and receive multiple distinct beams simultaneously even when only analog beamforming is performed, thus greatly simplifying the tasks of cell search and initial access without having to resort to complex matrix-based beamforming networks. Additionally, lens-based TX and RX beamforming is performed in the analog optical domain with zero power consumption and negligible latency bounded only by the time the light takes to travel through the lens. Photonic signal processing also reduces the number of RF components required at the remote radio unit (RRU) and the number of costly and power-hungry high-performance analog-to-digital/digital-toanalog converters (ADCs/DACs) required. The optical subsystems are ultra-wideband and frequency agnostic as only the front-end components (antennas, amplifiers) are RF frequency/band specific. Therefore, a single photonic system design may be operated at any band and, furthermore, existing installations may be modified/upgraded to operate in different bands with minimal component replacements needed. Finally, the presented architectures provide near unlimited beam-bandwidth product (BBP) with minimal power requirements and no external cooling. Theoretical analysis and experimental confirmation of the proposed architecture will both be reported, including a receiver with a nominal BBP of 36 GHz with a prototype system that consumed less than 300 W, thus yielding a power efficiency of beam formation of 8 W/GHz, which is more than a 6× improvement over the current state of the art.INDEX TERMS beamforming, microwave photonics, optical coherent detection, radio-over-fiber, wireless communications, beam bandwidth product.

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ARoF-Fed Antenna Architectures for 5G Networks

Cited by 3 publications

References 3 publications

Integrated Optical-Wireless Interface and Detection

Integrated Optical-Wireless Interface and Detection

High Capacity Real-Time Hybrid Optical-Wireless 5G Fronthaul with Dynamic Beam Steering

Fourier-Optics Based Opto-Electronic Architectures for Simultaneous Multi-Band, Multi-Beam, and Wideband Transmit and Receive Phased Arrays

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