NDLI: High Capacity Tactical Networks with Reconfigerable, Steerable, Narrow-Beam Agile Point-to-Point RF Links

Content Provider	IEEE Xplore Digital Library
Author	Balzano, Quirino Rzasa, John Milner, Stuart Davis, Christopher
Copyright Year	2007
Description	Author affiliation: Department of Civil and Environmental Engineering, University of Maryland, College Park, MD 20742, USA (Milner, Stuart) \|\| Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742, USA (Balzano, Quirino; Rzasa, John; Davis, Christopher)
Abstract	Directional, high capacity tactical networks with reconfigurable, steerable, narrow-beam agile point-to-point RF links can be deployed on families of distributed fixed and/or mobile C2 platforms, ranging from small UAVs to aerostats to HUMVees to ships at sea. In this paper, we describe the design, implementation and evaluation of: 1) lightweight (less than 1 lb) and low-cost directional RF flat panel antennas; 2) agile gimbals with integrated stabilization, pointing, acquisition and tracking (SPAT). We have designed directional point to point communication (Ethernet) links that provide sustained data rates of up to 18.5 Mb/s and use a high gain, light weight antenna mounted on a gimbals system that can steer the antenna beam in a short time interval comparable with that of electronic switching. With a light weight antenna, the beam steering is much more cost effective, lighter and simpler than a system of RF switches and/or phase shifters. To provide node stabilization and pointing on mobile or unstable platforms, we describe our designs for new advanced gimbals with active loop angular position control based on local GPS and inertial sensors. We will present the results of experiments using the directional RF antennas as well as the pointing, acquisition and tracking in the final version of this paper.
Starting Page	1
Ending Page	7
File Size	2967644
Page Count	7
File Format	PDF
ISBN	9781424415120
DOI	10.1109/MILCOM.2007.4454925
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Directive antennas Marine vehicles Ethernet networks Communication switching Beam steering Costs Switches Phase shifters Position control
Content Type	Text
Resource Type	Article

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