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Title:
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Indoor radiated-mode leaky feeder propagation at 2.0 GHz.
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Author:
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Zhang, Yue Ping.
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Copyright year:
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2001 |
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Abstract:
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This paper presents the results of narrow-band and
wide-band propagation measurements carried out at 2.0 GHz in
an indoor environment using a radiated-mode leaky feeder as
the transmitting antenna. The narrow-band measurements were
devised to measure attenuation of radio signals and the wide-band
techniques to measure multipath impulse responses and their
associated root mean square (rms) delay spread. Analysis of
the narrow-band data files shows that the received signal levels
in the direction along the feeder generally decay exponentially
due to the feeder-specific attenuation. The received signal levels
in the direction radial to the feeder decrease slowly, and the
distance–power law exponent is found to be smaller than one.
The slow and fast variations of the received signal levels are also
examined. The results reveal that the slow variations basically
follow the log-normal distribution, while the fast variations fit
the Rayleigh distribution in the direction parallel to the feeder
and the Rician distribution in the direction radial to the feeder,
respectively. Analysis of the wide-band data files reveals that the
maximum value of the rms delay spread is 60.6 ns and the rms
delay spread values are less than 42 ns 50% of the time. One
therefore can conclude that the indoor channel excited by the
radiated-mode leaky feeder has a broad coherent bandwidth and
can support the data rate up to 3.3 Mb/s without equalization. |
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Subject:
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DRNTU::Engineering::Electrical and electronic engineering::Antennas, wave guides, microwaves, radar, radio. |
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Type:
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Journal Article |
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Series/ Journal Title:
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IEEE transactions on vehicular technology |
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School:
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School of Electrical and Electronic Engineering |
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Rights:
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© 2001 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. http://www.ieee.org/portal/site This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. |
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Version:
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Published version |
