Ultra-stable RF-over-fiber transport in NASA antennas, phased arrays and radars

KY Lau, GF Lutes, RL Tjoelker - Journal of Lightwave Technology, 2014 - opg.optica.org
Research and development in ultra-stable RF transport in optical fibers in the late-
1970s/early-1980s at the NASA Jet Propulsion Laboratory led to successful field …

Practically feasible closed-loop digital predistortion for VCSEL-MMF-based radio-over-fiber links

MU Hadi, J Nanni, O Venard, G Baudoin, JL Polleux… - …, 2020 - hal.science
The article demonstrates a novel Digital Predistortion (DPD) architecture for Mobile Front
Haul links for the advanced Long-Term Evolution (LTE) and upcoming 5G networks …

Software-defined optical network

N Cvijetic, MI Angelou, A Patel, M Cvijetic, PN Ji… - US Patent …, 2015 - Google Patents
(57) ABSTRACT A software-defined (SD) optical network is disclosed. An SD optical line
terminal (OLT) includes a global SD controller, one or more SD OLT drivers connected to the …

Linearity improvement of VCSELs based radio over fiber systems utilizing digital predistortion

MU Hadi, J Nanni, O Venard, G Baudoin… - Advances in Science …, 2019 - pure.ulster.ac.uk
The article proposes a Digital Predistortion (DPD) methodology that substantially meliorates
the linearity of limited range Mobile Front Haul links for the extant Long-Term Evolution …

Ultra-broadband photonics-based RF front-end toward 5G networks

ALM Muniz, RM Borges, RN Da Silva… - Journal of Optical …, 2016 - opg.optica.org
We propose the concept and report the development of an ultra-broadband photonics-based
RF front-end, as well as its experimental digital performance analysis up to 38 GHz. The …

Novel optical access and digital processing architectures for future mobile backhaul

N Cvijetic, A Tanaka, M Cvijetic… - Journal of Lightwave …, 2012 - ieeexplore.ieee.org
In this paper, primary technical challenges for emerging optical mobile backhaul (MBH)
networks are discussed, with a focus on novel optical access and digital signal processing …

Is the low-complexity mobile-relay-aided FFR-DAS capable of outperforming the high-complexity CoMP?

S Yang, X Xu, D Alanis, SX Ng… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
The coordinated multipoint transmission/reception aided collocated antenna system (CoMP-
CAS) and the mobile relay assisted fractional frequency reuse distributed antenna system …

Implementation of a broadband photonics-assisted RF amplifier toward 5G networks

RM Borges, ALM Muniz, DF Noque… - 2017 SBMO/IEEE …, 2017 - ieeexplore.ieee.org
We report the implementation of a photonics-assisted RF amplifier for broadband and
multiband 5G networks. A 2 Gsymb/s signal with different digital modulation formats at 20 …

Microwave Pioneers: Kam Lau,“μWaves Meet Photons”

PH Siegel - IEEE Journal of Microwaves, 2021 - ieeexplore.ieee.org
This article is part of a continuing series of biographical pieces on persons who have made
significant and continuous contributions to microwave science, technology, and applications …

Ultra-stable RF-over-fiber transport enables NASA ground-based deep space tracking antenna arrays and space-borne earth mapping radar

KY Lau, GF Lutes - IEEE Aerospace and Electronic Systems …, 2014 - ieeexplore.ieee.org
The Mojave Desert north of Los Angeles in Southern California is a place of rolling hills,
shallow valleys, and jagged outcrop-pings of rock, which are the remains of ancient …