In-Band Full-Duplex: The Physical Layer

B Smida, R Wichman, KE Kolodziej… - Proceedings of the …, 2024 - ieeexplore.ieee.org
In this article, we review the key concepts and the progress in the design of physical-layer
aspects of in-band full-duplex (IBFD) communications. One of the fundamental challenges in …

Scalable in-band full-duplex phased arrays: Complexity reduction and distributed processing

KE Kolodziej, BA Janice, AI Sands… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
Compared to traditional omnidirectional systems, in-band full-duplex (IBFD) phased arrays
provide higher antenna gains and offer the ability to electronically steer beams spatially to …

Implications of diversified Doppler for random PRI radar

SD Blunt, LA Harnett, B Ravenscroft… - … on Aerospace and …, 2022 - ieeexplore.ieee.org
This article seeks to expand the fundamental understanding of random pulse repetition
interval staggering radar by formulating a physically meaningful “Doppler manifold” signal …

Phased array architecture enabling scalable integrated sensing and communication

KE Kolodziej, GA Brigham, MA Harger… - 2023 IEEE Radar …, 2023 - ieeexplore.ieee.org
Phased array systems can straightforwardly support integrated sensing and communication
(ISAC) as well as other functions simultaneously by incorporating in-band full-duplex (IBFD) …

Simultaneous-Multifunction Phased Arrays: Enabled by In-Band Full-Duplex Technology

KE Kolodziej, Z Popović - IEEE Microwave Magazine, 2024 - ieeexplore.ieee.org
Active phased-array systems are gaining popularity in many wireless applications due to
their ability to electronically create, steer, and change multiple beams with high directivity as …

Scalable star array testbed

PFW Wolfe, KE Kolodziej - 2022 IEEE International Symposium …, 2022 - ieeexplore.ieee.org
Phased array radar systems provide efficient utilization of their link budgets by focusing
antenna radiation in a particular direction. Same frequency Simultaneous Transmit and …

Encoder-Decoder Networks for Self-Supervised Pretraining and Downstream Signal Bandwidth Regression on Digital Antenna Arrays

R Bhattacharjea, N West - arXiv preprint arXiv:2307.03327, 2023 - arxiv.org
This work presents the first applications of self-supervised learning applied to data from
digital antenna arrays. Encoder-decoder networks are pretrained on digital array data to …

GaN MMIC RF switches for in-band full-duplex phased array calibration

S Johannes, KE Kolodziej… - 2022 IEEE 22nd Annual …, 2022 - ieeexplore.ieee.org
This paper presents three reflective-type, single-pole double-throw (SPDT) switch topologies
intended for a switch feedback network in a full-duplex phased array module. The MMIC …

Scalable Multi-tap RF Canceller with Arduino Control for STAR Systems

PFW Wolfe, KE Kolodziej - 2024 IEEE Radio and Wireless …, 2024 - ieeexplore.ieee.org
Simultaneous transmit and receive (STAR) systems offer greater spectral efficiency but
require effective self-interference cancellation (SIC). Time-domain cancellation at RF …

Co-Designed Switch-LNA GaN MMIC for Improving Self-Interference Cancellation by Transmit-Signal Observation

S Johannes, KE Kolodziej… - 2023 16th International …, 2023 - ieeexplore.ieee.org
This paper presents a front-end GaN MMIC designed for an aperture-level in-band full-
duplex phased array system. The MMIC is an asymmetric single-pole double-throw (SPDT) …