Novel UHF-RFID listener hardware architecture and system concept for a mobile robot based MIMO SAR RFID localization

M Gareis, M Hehn, P Stief, G Koerner… - IEEE …, 2020 - ieeexplore.ieee.org
In this paper, we introduce an ultra-high frequency radio frequency identification (UHF-RFID)
mobile robot platform that is capable of performing fully autonomous inventory taking and …

Active and passive components for broadband transmit phased arrays: Broadband transmit front-end components

L Marzall, M Robinson, P Danielson… - IEEE Microwave …, 2022 - ieeexplore.ieee.org
Phased-array antennas have penetrated a large application space, and in this article, we
present some of the critical components for phased-array front ends, as described in. We …

Linear broadband interference suppression circuit based on GaN monolithic microwave integrated circuits

MC Robinson, Z Popović… - IET Circuits, Devices & …, 2023 - Wiley Online Library
This paper presents simulation and measurement results of a 2–4 GHz octave bandwidth
interference suppression circuit. The circuit accomplishes the function of a tunable frequency …

Self-interference noise limitations of RFID readers

G Lasser, CF Mecklenbräuker - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
In this contribution we compute the read range limits of RFID readers also modelling the
often ignored self-interference and leakage cancellation effects. The forward link limit is …

GaAs MMIC interferometer for broadband interference suppression

P Danielson, M Robinson, G Lasser… - 2022 17th European …, 2022 - ieeexplore.ieee.org
This paper presents a GaAs interference suppression MMIC for integration in broadband
receiver front ends. The circuit is an interferrometer, with a gain stage in one path, and a …

Automatic leaking carrier canceller adjustment techniques

G Lasser, R Langwieser… - EURASIP Journal on …, 2013 - Springer
In this contribution, four automatic adjustment algorithms for leakage carrier cancellation in
radio frequency identification (RFID) readers are compared: full search, gradient search, fast …

GaN Technologies for Microwave Heating and Broadband Receiver Applications

MC Robinson - 2023 - search.proquest.com
Abstract This thesis entitled," GaN Technologies for Microwave Heating and Broadband
Receiver Applications," consists of two parts. Part I discusses galium nitride (GaN) for high …

Carrier extraction cancellation circuit in RFID reader for improving the Tx‐to‐Rx isolation

M Zhonghua, J Yanfeng - IET Circuits, Devices & Systems, 2019 - Wiley Online Library
A novel high‐isolation leakage carrier cancellation system, which is highly required in the
ultra‐high frequency (UHF) radio frequency identification (RFID) reader circuit, is presented …

A novel carrier leakage cancellation circuit for RFID system

M Zhonghua, Z Jiachun… - … and Engineering (ICICE), 2017 - ieeexplore.ieee.org
This paper proposed a novel high isolation leaking carrier cancelled system used in the
UHF RFID reader. The circulator of conventional RFID system is replaced by the deformed …

Measurement and simulation of crosstalk and crosstalk compensation in UHF RFID

R Langwieser, G Lasser - 2012 Fourth International EURASIP …, 2012 - ieeexplore.ieee.org
In this contribution we introduce geometric based modeling of carrier cross talk between
transmitter and receiver of an Ultra High Frequency (UHF) Radio Frequency Identification …