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Design and Implementation of Channel Parameter Estimation Using Two Receiver Antennas

Title
Design and Implementation of Channel Parameter Estimation Using Two Receiver Antennas
Authors
Lawane, Yahia
Date Issued
2018
Publisher
포항공과대학교
Abstract
In this thesis, we propose two methods to estimate the angle of arrival of signals impinging on a receiver made of two antennas: a xed reference antenna and a movable antenna. The movable antenna is displaced on a straight line; it is displaced at integer multiples of half the wavelength of the signal considered. The main purpose of this thesis is to provide numerical results in comparison to existing algorithms applied on an array of similar aperture but which employ a higher number of physical antennas. The proposed methods and the existing algorithms are compared under di erent factors: accuracy, number of samples in a snapshot and complexity of the algorithms. Using the estimated AOA, we exploited the nature of the proposed receiver array system that consists of a xed antenna and movable antenna, to formulate a least squares problem over the array aperture coverage and to estimate the complex attenuation associated with each path. The signals under consideration are predominantly coherent in nature. To support the simulations done, we conducted an experiment to verify if the proposed methods worked. The results obtained showed that using only two antennas at the receiver end for the estimation of the angle of arrival and complex attenuation, can be advantageous in reducing cost, as well as the bulkiness and complexity of algorithms.
URI
http://postech.dcollection.net/common/orgView/200000103870
https://oasis.postech.ac.kr/handle/2014.oak/93373
Article Type
Thesis
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