Long-Range Channel Measurements on Small Terminal Antennas Using Optics
IEEE Transactions on Instrumentation and Measurement(2012)
Abstract
In this paper, details are given on a novel measurement device for radio propagation-channel measurements. To avoid measurement errors due to the conductive cables on small terminal antennas, as well as to improve the handling of the prototypes under investigation, an optical measurement device has been developed. It utilizes thin, light, and flexible glass fibers as opposed to heavy, stiff, and conductive coaxial cables. This paper looks at the various system parameters such as overall gain, noise figure, and dynamic range and compares the solution to other methods. An estimate of the device accuracy is also given. Selected parts of the circuitry are given in more detail. Typical measurement results are also shown.
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Key words
Antenna,electrically small antennas,handset antennas,multiple-input-multiple-output (MIMO) systems,optical fiber,optical-fiber measurement applications,propagation measurements
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