Location Determination for 2G/3G/4G Using Time Delay Matrix Pencil (TDMP) Method

摘要

A 3D location determination method using only four elements antenna is proposed depending on a Time Delay Matrix Pencil (TDMP) method. A group of signal symbols in time variant domain is received from the transmitter (on mobile phone 2G/3G/4G) or returned signals (Radar), then transferred to the frequency domain using FFT. The Matrix Pencil method is applied to identify the length of each path. Depending on the geometrical distribution of the four elements, the phase shifts are determined for each path. Knowing the phase shift between the elements helps to find the Direction of Arrival (DOA) for each path. Small dipole or small circular loop antennas are used in the numerical examples to clarify this location determination method in the presence of complex noise for GSM, WCDMA and OFDM systems.