NDLI: Proximity Effects of Plastic Laptop Covers on Radiation Characteristics of 60-GHz Antennas

Content Provider	IEEE Xplore Digital Library
Author	Amadjikpe, A.L. Choudhury, D. Ponchak, G.E. Bo Pan Yuan Li Papapolymerou, J.
Copyright Year	2002
Abstract	This letter highlights impacts on radiation characteristics of 60-GHz antennas operated in the proximity of plastic laptop covers. A series of experiments are carried out with antennas placed under plastic laptop cover materials. Antenna peak gain attenuation through the plastic cover materials is characterized as a function of frequency, distance between antenna and cover, as well as dielectric properties of the materials. The attenuation is moderate and in the order of 2 to 4.5 dB. Diffraction occurs at the cover edges and results in nulls in the antenna radiation pattern. The direction of the nulls is aligned with the cover edges. A null corresponds to more than a 15-dB drop in the antenna gain and might result in a link failure for 60-GHz point-to-point communications.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	763
Ending Page	766
Page Count	4
File Size	614718
File Format	PDF
ISSN	15361225
Volume Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Proximity effect Plastics Portable computers Attenuation Dielectric materials Antennas and propagation Personal digital assistants Planar arrays Frequency Diffraction radiation characteristics 60-GHz antennas electromagnetic diffraction laptop material environment millimeter wave
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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