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MEASUREMENT AND MODELING OF THE INDOOR RADIO PROPAGATION CHANNEL IN THE KU FREQUENCY BAND

Date

1994-08

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Masters

Abstract

The wireless telecommunications market appears to be entering a perod of rapid growth. Cellular service providers continue to offer a broader range of services with each passing day. With the increased usage of in place AMPS and TDMA cellular systems in the 900 MHz band, system designers are looking to higher frequencies for more capacity-intensive indoor wireless communications systems. These higher frequencies offer a wider range of available bandwidth for use with voice, data and even video services. This thesis examines a measurement and modelling process of the indoor radio propagation channel in a 500 MHz bandwidth above 14 GHz, a frequency band that has not previously been characterized. The main objective of this thesis is to develop a simple model capable of accu-rately representing the frequency selective fading environment commonly encountered indoors. To accomplish this, empirical measurements of the indoor radio propaga-tion channel must be made, requiring a complex measurement system. From these measurements, an autoregressive model of the indoor radio propagation environment is developed. The system, measurements, model development and analysis are pre-sented in this thesis. This thesis concludes that the first, second and third poles of a seventh order autoregressive model provide enough information to accurately model in the indoor radio propagation channel in a 500 MHz bandwidth above 14 GHz.

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Degree

Master of Science (M.Sc.)

Department

Electrical Engineering

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