NDLI: Some new methodologies for multiobjective antenna design

Content Provider	IEEE Xplore Digital Library
Author	Chaigne, B.
Copyright Year	2011
Description	Author affiliation: Fakultät für Informatik, TU München, Germany (Chaigne, B.)
Abstract	Reflector antennas [1] are devices that are widely use for satellite communication. The life length of such devices depends highly on the fatigue due to the energy consumption for the signal emission. Thus, one of the goals of the optimal design of an antenna is to improve the productivity of systems designed for a given task, for a fixed input power. A reflector antenna is characterized by radiating surfaces whose geometry is the main parameter that can be controlled to fulfill the task. Based on the time-harmonic wave propagation simulation in free space, numerical procedures for the optimal design of the shape of radiating structures are examined. Usually, several concurrent criterions are considered, leading to a trade-off seeking rather than a pure minimization problem. Typically, such antennas are working over a frequency range, each frequency corresponding to a transmission channel. Hence the optimization problem reads as a multiobjective problem [2] to ensure that some performance are fulfilled for all frequencies. Such problems are referred to as multipoint optimization problem, a problem depending on a continuous physical parameter. To complete the task, objectives of different nature can be considered (multiobjective but not multipoint). For instance, a radiation criterion together with an energy loss criterion at the source are considered. New methodologies using multilevel techniques [3–6] and Nash Game theory [7–8] for the numerical treatment of such problems are proposed. Concrete numerical experiments are conducted for the multipoint design of a bi-criterion problem applied to a realistic reflector antenna.
Starting Page	729
Ending Page	729
File Size	260138
Page Count	1
File Format	PDF
ISBN	9781612843803
e-ISBN	9781612843834
DOI	10.1109/HPCSim.2011.5999899
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-04
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reflector antenna Multipoint optimization Satellite antennas Shape Shape optimal design Games Multilevel methods Reflector antennas Optimization Nash Game
Content Type	Text
Resource Type	Article

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