RFID Based Library Management System Radio Frequency Identification (RFID)is a new generation of Auto Identification and Data collection technology which helps to automate business processes and allows identification of large number of tagged objects like books,using radio waves.RFID based Library Management system(LMS)would allow fast transaction flow for the library and will prove immediate and long term benefits to library in traceability and security.The proposed system is based on UHF RFID readers,supported with antennas at gate and transaction sections,and library cards containing RFID-transponders which are able to electronically store information that can be read written even without the physical contact with the help of radio medium.This paper presents the experiments conducted to set up RFID based LMS. INTRODUCTION RFID technology is being implemented in a number of industries.Supply chain implementation is perhaps one of the most frequently mentioned applications of RFID tags and equipment. Retailers such as“Wal-Mart”and grocery stores such as“Albertson's”have begun to make it mandatory for their suppliers to tag merchandise destined for their stores.There is,however,a key difference to the library's inventory as compared to that of a warehouse or a retail outlet.In the warehouse and retail supply chain,goods come in and leave.Only occasionally are they returned. The retail sector is looking at RFID as a"throwaway"technology that hands an item to a customer which gets discarded.Yet the item wise unit cost of including an RFID tag is much more than the cost of printing a barcode on a package.In libraries,items are taken out and returned many times. Thus the same RFID tag is re-used many times. The libraries across the globe started to use RFID to speed up the self check in/out processes,to control the theft and to ease the inventory control in library.The barcode technology is slowly getting replaced by the RFID technology.The RFID tag does not have to be visible for detection. It can be read even when it is embedded in an item,such as in the cardboard cover of a book or in the packaging of a product.It can also store data such as stack number,accession number,book number,author information etc.,while barcode is limited to just an identification number. RFID in Library A library is a collection of information,sources,resources,books,and services,and the structure in which it is housed.Apart from books many libraries are now also repositories and access points for maps,prints,or other documents on various storage media such as microform (microfilm/microfiche),audio tapes,CDs,LPs,cassettes,videotapes,and DVDs.Libraries have materials arranged in a specified order according to a library classification system,so that items may be located quickly and collections may be browsed efficiently.Reference stacks are different which has only reference books and only selected members. The following are the tasks to be performed in the library. Circulation:handling user accounts and issuing/returning and shelving of materials. Collection,development,order materials,maintain materials'budgets. Technical Services work behind the scenes cataloguing and processing new materials and de accessioning weeded materials. Basic tasks in library management include the planning of acquisitions of materials,arranging the acquired materials according to the library classification,preservation of materials the de accessioning of materials,patron borrowing of materials,and developing and administering library computer systems.Among these,the proposed system will automate the following tasksRFID Based Library Management System Radio Frequency Identification (RFID) is a new generation of Auto Identification and Data collection technology which helps to automate business processes and allows identification of large number of tagged objects like books, using radio waves. RFID based Library Management system (LMS) would allow fast transaction flow for the library and will prove immediate and long term benefits to library in traceability and security. The proposed system is based on UHF RFID readers, supported with antennas at gate and transaction sections, and library cards containing RFID-transponders which are able to electronically store information that can be read / written even without the physical contact with the help of radio medium. This paper presents the experiments conducted to set up RFID based LMS. INTRODUCTION RFID technology is being implemented in a number of industries. Supply chain implementation is perhaps one of the most frequently mentioned applications of RFID tags and equipment. Retailers such as “Wal-Mart” and grocery stores such as “Albertson’s” have begun to make it mandatory for their suppliers to tag merchandise destined for their stores. There is, however, a key difference to the library’s inventory as compared to that of a warehouse or a retail outlet. In the warehouse and retail supply chain, goods come in and leave. Only occasionally are they returned. The retail sector is looking at RFID as a "throwaway" technology that hands an item to a customer which gets discarded. Yet the item wise unit cost of including an RFID tag is much more than the cost of printing a barcode on a package. In libraries, items are taken out and returned many times. Thus the same RFID tag is re-used many times. The libraries across the globe started to use RFID to speed up the self check in/out processes, to control the theft and to ease the inventory control in library. The barcode technology is slowly getting replaced by the RFID technology. The RFID tag does not have to be visible for detection. It can be read even when it is embedded in an item, such as in the cardboard cover of a book or in the packaging of a product. It can also store data such as stack number, accession number, book number, author information etc., while barcode is limited to just an identification number. RFID in Library A library is a collection of information, sources, resources, books, and services, and the structure in which it is housed. Apart from books many libraries are now also repositories and access points for maps, prints, or other documents on various storage media such as microform (microfilm/microfiche), audio tapes, CDs, LPs, cassettes, videotapes, and DVDs. Libraries have materials arranged in a specified order according to a library classification system, so that items may be located quickly and collections may be browsed efficiently. Reference stacks are different which has only reference books and only selected members. The following are the tasks to be performed in the library. Circulation: handling user accounts and issuing/returning and shelving of materials. Collection, development, order materials, maintain materials’ budgets. Technical Services work behind the scenes cataloguing and processing new materials and de accessioning weeded materials. Basic tasks in library management include the planning of acquisitions of materials, arranging the acquired materials according to the library classification, preservation of materials the de accessioning of materials, patron borrowing of materials, and developing and administering library computer systems. Among these, the proposed system will automate the following tasks