Positioning Principles and Technologies

In this subject, students will learn underlying theory and applications of state-of-the-art positioning technologies. The subject first introduces the concept of positioning, addressing why localisation requires user-defined coordinate systems as a benchmark. An overview of global and Australian geocentric coordinate systems such as ITRF and GDA2020 is given, with a discussion on the Australian Height Datum (AHD). Distinguished from their associated technologies, the following positioning principles are taught: 1) direct observation, 2) time-difference of arrival (TDOA), 3) surveying resection otherwise known as angle of arrival (AOA), 4) spatial correspondence (e.g., fingerprinting), and 5) interferometry.