February 2021 | NTIA Technical Memo TM-21-552

LTE Uplink Aggregate Interference Measurement System

Eric D. Nelson

Abstract: This technical memorandum describes a method to design, characterize and optimize a system for performing field measurements of aggregate interference from LTE user equipment transmissions. It explains the computation of the system’s antenna gain over effective system temperature (G/T) and anticipated signal-to-noise ratio levels using typical assumptions. It also covers the appropriate vector signal analyzer settings for performing I/Q captures of LTE signals and relevant post-processing techniques.

Keywords: Long Term Evolution (LTE); uplink; I/Q; aggregate interference; capture; G/T; noise temperature

For technical information concerning this report, contact:

Eric D. Nelson
Institute for Telecommunication Sciences
(303) 497-7410

To request a reprint of this report, contact:

Lilli Segre, Publications Officer
Institute for Telecommunication Sciences
(303) 497-3572

Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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