NDLI: Modeling and State Representation of Ultrawideband Antennas

Content Provider	IEEE Xplore Digital Library
Author	Duroc, Y. Najam, A.I. Vuong, T.P. Tedjini, S.
Copyright Year	1963
Abstract	A method is proposed to represent the states of ultrawideband (UWB) antennas. In UWB systems, the classical design parameters of antennas become strongly frequency dependent as compared to those in traditional narrowband systems. Therefore, both the transmit (TX) and receive (RX) antennas in UWB systems play a very important role in the performance evaluation of UWB systems. Moreover, as the transmitter design must comply with the spectral masks and the receiver design must collect efficiently the emitted energy, UWB antennas have to act as pulse shaping filters and therefore can be modeled as linear time invariant (LTI) systems. The associated transfer function and impulse response can be determined from classical method of measurement in frequency domain (i.e., S₂₁ parameter). Analytical and compressed expressions of characteristics are obtained using parametric model approaches. A state representation, that characterizes UWB antenna as LTI system, is achieved. The results are illustrated using a specific UWB antenna.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	2781
Ending Page	2784
Page Count	4
File Size	365819
File Format	PDF
ISSN	0018926X
Volume Number	57
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultra wideband technology Ultra wideband antennas Receiving antennas Frequency dependence Narrowband Transmitting antennas Transmitters Pulse shaping methods Nonlinear filters Transfer functions ultrawideband (UWB) Antennas modeling parametric estimation state representation
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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