In-band full-duplex technology: Techniques and systems survey

KE Kolodziej, BT Perry, JS Herd - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In-band full-duplex (IBFD) technology can enable unique system capabilities and network
architectures by allowing devices to transmit and receive on the same frequency at the same …

Doubling Down on Wireless Capacity: A Review of Integrated Circuits, Systems, and Networks for Full Duplex

A Nagulu, N Reiskarimian, T Chen… - Proceedings of the …, 2024 - ieeexplore.ieee.org
The relentless demand for data in our society has driven the continuous evolution of
wireless technologies to enhance network capacity. While current deployments of 5G have …

Isolating bandpass filters using time-modulated resonators

X Wu, X Liu, MD Hickle, D Peroulis… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In this paper, we demonstrate, for the first time, an isolating bandpass filter with low-loss
forward transmission and high reverse isolation by modulating its constituent resonators. To …

CMOS integrated magnetless circulators based on spatiotemporal modulation angular-momentum biasing

A Kord, M Tymchenko, DL Sounas… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In this paper, we introduce the first integrated circuit (IC) implementation of spatiotemporally
modulated angularmomentum (STM-AM)-biased magnetless circulators. The design is …

A radio frequency nonreciprocal network based on switched acoustic delay lines

R Lu, T Manzaneque, Y Yang, L Gao… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
This paper demonstrates the first nonreciprocal network based on switched low-loss
acoustic delay lines. The four-port circulator is built upon a recently reported frequency …

Broadband cyclic-symmetric magnetless circulators and theoretical bounds on their bandwidth

A Kord, DL Sounas, Z Xiao, A Alu - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, we explore theoretically and experimentally broadband spatiotemporally
modulated magnetless circulators realized by combining three-port nonreciprocal junctions …

Radio frequency magnet-free circulators based on spatiotemporal modulation of surface acoustic wave filters

Y Yu, G Michetti, M Pirro, A Kord… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In this article, a new generation of magnet-free circulators with high performance is
proposed. Circulators are crucial devices in modern communication systems due to their …

Direct and controlled device integration of graphene oxide on Quartz Crystal Microbalance via electrospray deposition for stable humidity sensing

IR Jang, SI Jung, J Park, C Ryu, I Park, SB Kim… - Ceramics …, 2022 - Elsevier
Integration of advanced and functional materials onto conventional sensing platforms can
improve the device performances and even discover new applications. For piezoelectric …

Highly-linear magnet-free microelectromechanical circulators

Y Yu, G Michetti, A Kord, M Pirro… - Journal of …, 2019 - ieeexplore.ieee.org
This paper reports the first demonstration of a magnet-free, high performance
microelectromechanical system (MEMS) based circulator. An innovative circuit based on the …

Magnet-less circulator using AlN MEMS filters and CMOS RF switches

C Xu, G Piazza - Journal of Microelectromechanical Systems, 2019 - ieeexplore.ieee.org
A circulator with three ports allows unidirectional (or non-reciprocal) power transmission and
facilitates the development of in-band full duplexers for simultaneous transmit and receive …