Development of cable antenna for UHF-RFID identification

In recent years, UHF- radio-frequency identification (RFID) systems are paid to attention as one of technologies which achieve the unattended shop or production field. These technologies promote the efficiency of inventory management and the spread of the unattended shop. However, it is thought that the execution of detailed inventory management with the long-range antenna is difficult. Therefore, the shelf antenna with the leakage cable which used the imperfect colinear dipole antenna is developed. In this report, results of evaluating the utility of the shelf antenna are described.