Radio Frequency Identification (rfid) Technology In Library Management

The bar code technology applied in libraries for almost 20 years is probably to be replaced by Radio Frequency Identification (brief name RFID), widely valued by all walks of life recently. RFID is an untouched automatic identification technology, composed of an electron tag, a reader and an antenna. RFID has long performance life, long reading distance, data on label encrypting, great capacity, and stored information free altering. It may replace the bar code and magnetic needles. The application of the RFID technique in libraries makes library management more reasonable and makes libraries develop from digital libraries into intelligent ones.The main research results are as following:Firstly, introduced a few common automatic identification technologies, and for them a more comprehensive analysis and comparison. Then analyze the RFID system composition, classifications, characteristics, applications and Internet of things. Explore the principles of RFID.Secondly, analyze the manage system of library that based on the bar code, compare the difference of the bar code and the RFID in the management work application of library.Thirdly, the focus of the analysis of anti-collision mechanism, proposed and achieved a dynamic binary system based on the structure of RFID anti-collision search algorithm, and the results of simulation also shows that the new algorithm has better performance in comparison with the existing dynamic binary algorithm, and with the increase of the tags and the length of EPC, the advantages is more obvious.Finally, we present RFID system's solution plan, point out the problem that need to be resolved.