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Record 1 of 356
Mobile satellite system fade statistics for shadowing and multipath from roadside trees at UHF and L-band
External Online Source: doi:10.1109/8.24169
Author and Affiliation:
Goldhirsh, Julius(Johns Hopkins University, Laurel, MD, United States)
Vogel, Wolfhard J.(Texas, University, Austin, United States)
Abstract: Field tests related to planned mobile satellite systems were performed, and results that add to the existing database of propagation measurements at L-band (1.5 GHz) are described. They are considered particularly useful in that propagation effects were studied systematically, with repeated and controlled runs pertaining to different path elevation angles, road types, and path geometries defining shadowing and line-of-sight modes. In addition, simultaneous L-band and UHF measurements were performed for the purpose of establishing scaling factors applicable to previous UHF (870 MHz) results. The control of the experimental parameters was made possible by using a helicopter as the source platform and a mobile van to house the receiver.
Publication Date: Apr 01, 1989
Document ID:
19890049843
(Acquired Nov 28, 1995)
Accession Number: 89A37214
Subject Category: COMMUNICATIONS AND RADAR
Document Type: Journal Article
Publication Information: IEEE Transactions on Antennas and Propagation (ISSN 0018-926X); 37; 489-498
Publisher Information: United States
Contract/Grant/Task Num: N00039-87-C-5301; JPL-956520
Financial Sponsor: NASA; United States
Organization Source: Johns Hopkins Univ.; Laurel, MD, United States
Texas Univ.; Austin, TX, United States
Description: 10p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: MOBILE COMMUNICATION SYSTEMS; MULTIPATH TRANSMISSION; SATELLITE COMMUNICATION; SIGNAL FADING; TRANSMITTER RECEIVERS; LEAST SQUARES METHOD; LINE OF SIGHT; ULTRAHIGH FREQUENCIES
Imprint And Other Notes: IEEE Transactions on Antennas and Propagation (ISSN 0018-926X), vol. 37, April 1989, p. 489-498. Research supported by NASA.
Miscellaneous Notes: Research supported by NASA
Availability Source: Other Sources
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