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Title: Direction of arrival estimation using circular vector array
Authors: Pan, Yinglong
Keywords: DRNTU::Engineering
Issue Date: 2013
Abstract: The Direction of Arrival Estimation (DOA) has drawn increasing attention nowadays. Large percentages of the DOA estimation researches are focused on the Scalar Circular Array (SCA), mainly targeting at those signals with low grazing angels and vertical polarization. In this report, a new concept of Vector Circular Array (VCA) is proposed. VCA is mainly targeting at those signals with high grazing angles. The main objective of this report is to analyze and verify the performance of the VCA on DOA Estimation. The Vector Circular Array was designed with 4 patch antennas and aimed to receive the signal with frequency of 2.4GHz. Also, a 4-channle receiver was designed to verify the efficiency of the algorithm. A series of tests were conducted to make sure that the antenna and receiver can perform properly. The signal is received by the receiver, then digitalized through Analog-to-Digital Converter (ADC) and processed by MATLAB programs for calibration and DOA estimation. The DOA estimation is achieved through a joint algorithm based on a popular high-resolution estimation method. A few measurements were conducted to make sure the receiver and the algorithm can estimate the DOA with proper accuracy.
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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