DocumentCode
859058
Title
Integrated true-time-delay-based ultra-wideband array processing
Author
Hashemi, Hossein ; Chu, Ta-Shun ; Roderick, Jonathan
Volume
46
Issue
9
fYear
2008
fDate
9/1/2008 12:00:00 AM
Firstpage
162
Lastpage
172
Abstract
This article covers the basic principles of true-time-delay (TTD)-based space-time array processors and ultra-wideband beamformers. General considerations regarding the need for TTD array processing, optimum array size, antenna spacing, and array patterns are discussed for communication and imaging UWB arrays. Several recent integrated circuit implementations of UWB TTD-based beamformers are presented. A few commercial applications that warrant UWB TTD-based array processing, with emphasis on imaging and sensing, are also described.
Keywords
antenna arrays; array signal processing; delays; ultra wideband antennas; TTD-based beamformers; antenna spacing; integrated circuit implementations; integrated true-time-delay-based UWB array processing; optimum array size; space-time array processors; ultrawideband array processing; ultrawideband beamformers; Antenna arrays; Array signal processing; Electromagnetic interference; Frequency; MIMO; Narrowband; Phased arrays; Receiving antennas; Signal processing; Ultra wideband technology;
fLanguage
English
Journal_Title
Communications Magazine, IEEE
Publisher
ieee
ISSN
0163-6804
Type
jour
DOI
10.1109/MCOM.2008.4623722
Filename
4623722
Link To Document