IEEE Circuits and Systems Magazine - Q4 2022 - 6

Feature
Image LIcensed by Ingram PubLIshIng
Wideband Beamforming
With Rainbow Beam Training
Using Reconfigurable
True-Time-Delay Arrays for
Millimeter-Wave Wireless
chung-ching Lin, Graduate Student Member, IEEE, Veljko Boljanovic, Graduate Student Member, IEEE,
han yan, Graduate Student Member, IEEE, Erfan ghaderi, Member, IEEE, mohammad ali mokri, Graduate
Student Member, IEEE, Jayce Jeron gaddis, Student Member, IEEE, aditya Wadaskar, Graduate Student
Member, IEEE, chase Puglisi, Member, IEEE, soumen mohapatra, Graduate Student Member, IEEE,
qiuyan Xu, Graduate Student Member, IEEE, sreeni Poolakkal, Graduate Student Member, IEEE,
deukhyoun heo, Senior Member, IEEE, subhanshu gupta, Senior Member, IEEE, and danijela cabric, Fellow, IEEE
Abstract
the decadal research in integrated true-time-delay arrays have
seen organic growth enabling realization of wideband beamformers
for large arrays with wide aperture widths. this article
Digital Object Identifier 10.1109/MCAS.2022.3214408
Date of current version: 13 January 2023
6
IEEE cIrcuIts and systEms magazInE
introduces highly reconfigurable delay elements implementable
at analog or digital baseband that enables multiple spatial signal
Processing (ssP) functions including wideband beamforming,
wideband interference cancellation, and fast beam training. details
of the beam-training algorithm, system design considerations, system
architecture and circuits with large delay range-to-resolution
ratios are presented leveraging integrated delay compensation
techniques. the article lays out the framework for true-time-delay
1531-636X/23©2023IEEE
Fourth quartEr 2022

IEEE Circuits and Systems Magazine - Q4 2022

Table of Contents for the Digital Edition of IEEE Circuits and Systems Magazine - Q4 2022

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