NDLI: Transmitting Medical Imagery over 2-Meter Amateur Packet Radio Networks using TCP Reno and UDP

Content Provider	IEEE Xplore Digital Library
Author	Wiedemeier, P.D.
Copyright Year	2008
Description	Author affiliation: Univ. of Louisiana at Monroe, Monroe, LA (Wiedemeier, P.D.)
Abstract	The United States Federal Communications Commission permits licensed amateur radio operators to transmit data using the 144.1 MHz - 148.0 MHz radio frequencies that comprise the amateur 2-meter band. Unfortunately, significant time is needed to transmit large files over 2-meter amateur packet radio networks because the required terminal node controllers (i.e. radio modems) transmit data at a standard rate of 1200 bps. In this paper, we evaluate the performance of the Reno variant of the transmission control protocol and the user datagram protocol when both are used to transmit medical imagery over ns-2 simulated 2-meter amateur packet radio networks. Specifically, we obtain file transmission times while varying protocol segment sizes and channel bit error rates, and find that smaller segment sizes are best for transmitting medical imagery when the bit error rate increases. We also discuss image quality measures as they relate to medical imagery transmitted using the user datagram protocol.
Starting Page	1
Ending Page	7
File Size	2900661
Page Count	7
File Format	PDF
ISBN	9781424414871
ISSN	1095323X
DOI	10.1109/AERO.2008.4526338
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biomedical imaging Packet radio networks Protocols Radio control Image segmentation Bit error rate FCC Ham radios Radio frequency Communication system control
Content Type	Text
Resource Type	Article
Subject	Aerospace Engineering Space and Planetary Science

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