NDLI: Pulse design for ultra wideband impulse radio systems

Content Provider	IET Digital Library
Author	Ling, Bingo Wing Kuen Ho, Charlotte Yuk Fan Teo, Kok Lay Dai, Qingyun
Abstract	In this study, the frequency spectrum of a pulse for ultra wideband impulse radio systems is assumed to be the frequency response of a real valued causal rational infinite impulse response (IIR) filter. This pulse design problem is formulated as a functional inequality constrained optimisation problem. The objective of this optimisation problem is to minimise the sum of the total passband and stopband ripple energy of the pulse. Also, the optimisation problem is subject to the stability condition of the IIR filter as well as to the specifications defined on both the maximum passband and stopband ripple magnitudes and that on the maximum time domain ripple magnitude of the pulse. If the feasible set of the optimisation problem is non-empty, then the designed pulse is guaranteed to be satisfied the specifications suggested by the Federal Communications Commission. Computer numerical simulation results show that the energy compaction performance defined in the frequency domain of the authors’ designed pulse outperforms that of existing pulses. Since the frequency spectrum of the pulse is the same as the frequency response of the designed IIR filter, the pulse can be generated via an excitation of a simple circuit.
Starting Page	387
Ending Page	396
Page Count	10
ISSN	1751858X
Volume Number	8
e-ISSN	17518598
Issue Number	Issue 5, Sep (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cds/8/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cds.2013.0396
Journal	IET Circuits, Devices & Systems
Publisher Date	2014-10-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Computer Numerical Simulation Digital Filter Energy Compaction Performance Federal Communication Commission Filtering Method in Signal Processing Frequency Domain Frequency Response Functional Inequality Constrained Optimisation Problem IIR Filter IIR Filter Stability Condition Maximum Time Domain Ripple Magnitude Optimisation Optimisation Technique Passband Ripple Magnitude Pulse Design Problem Pulse Frequency Spectrum Radio Link And Equipment Real Valued Causal Rational IIR Filter Real Valued Causal Rational Infinite Impulse Response Filter Stopband Ripple Magnitude Time Domain Analysis Ultra Wideband Communication Ultrawideband Impulse Radio System
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering

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