Detection performance evaluation of MIMO sensor for outdoor surveillance application

We investigated the antenna arrangement suitable for outdoor MIMO (Multiple-Input Multiple-Output) sensor which is used for intruder surveillance application. Detection rate characteristics are evaluated as functions of the height of antenna array in several environments. A channel correlation that compares the MIMO channels with and without a person is used in the intrusion detection algorithm. The experimental results indicated the intruder detection performance is improved by lowering the height of antenna than the height of targets in outdoor environment.