text

Performance of slotted aloha anti-collision protocol for RFID systems under interfering environments

SOAR Repository

Show simple item record

dc.contributor.advisor Namboodiri, Vinod en
dc.contributor.author Deegala, Kavindya
dc.date.accessioned 2011-04-21T14:42:28Z
dc.date.available 2011-04-21T14:42:28Z
dc.date.copyright 2010 en
dc.date.issued 2010-08
dc.identifier.other t10060
dc.identifier.uri http://hdl.handle.net/10057/3476
dc.description Thesis (M.S.)--Wichita State University, College of Engineering, Dept. of Electrical Engineering and Computer Science. en_US
dc.description.abstract Radio Frequency Identification (RFID) is a wireless technology that has replaced barcodes. This technology is used in today’s world to track assets and people. An RFID system consists of three components: the tag, the reader, and the middleware. The RFID tag stores data, the reader is used to identify the data stored in the tag or write data to the tag, and the RFID middleware is the application that connects the data that the reader obtains from the tag with the company inventory or database. Unlike barcode readers, an RFID reader is capable of reading multiple tags located in its range. When this occurs, the probability of tag collision at the reader’s end is high. To avoid tag collision, anti-collision protocols are used. Slotted Aloha is one of the main anti-collision protocols used with RFID. This thesis proposed a mathematical model and a simulator to analyze the performance of the Slotted Aloha protocol without interference. Tag detection is directly related to tag signal strength detected by the reader. Radio Frequency signals behave differently when different objects are present in the environment. For example water absorbs radio signals. When water is present in the environment, tag detection will not be successful, since radio signals will be absorbed by the water. Therefore, water is considered an interference factor in tag detection. This thesis also proposed a mathematical model and a simulator to analyze the performance of the Slotted Aloha protocol with interference. A comparison of both sets of results shows that the proposed mathematical model and the simulator are accurate. Results of the analysis show that the time required to identify tags with interference is longer than the time required to identify tags without interference. en_US
dc.format.extent x, 64 p. en
dc.language.iso en_US en_US
dc.publisher Wichita State University en_US
dc.rights Copyright Kavindya Sacheendri Deegala, 2010. All rights reserved en
dc.subject.lcsh Electronic dissertations en
dc.title Performance of slotted aloha anti-collision protocol for RFID systems under interfering environments en_US
dc.type Thesis en_US

Files in this item

This item appears in the following Collection(s)

Show simple item record

Search SOAR


Advanced Search

Browse

My Account

Statistics