Performance of ALOHA protocol to enhance the range of Antenna for Efficient RFID Tag reading

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2017 by IJETT Journal
Volume-47 Number-2
Year of Publication : 2017
Authors : Arma A Mehdi, Dr Anil Kumar
DOI :  10.14445/22315381/IJETT-V47P218


Arma A Mehdi, Dr Anil Kumar "Performance of ALOHA protocol to enhance the range of Antenna for Efficient RFID Tag reading", International Journal of Engineering Trends and Technology (IJETT), V47(2),107-114 May 2017. ISSN:2231-5381. published by seventh sense research group

RFID (Radio Frequency Identification) and Wireless sensor network(WSN) are two important wireless technologies that have wide variety ofapplications and provide unlimited future potentials. RFID is used to detectpresence and location of objects while WSN is used to sense and monitor theenvironment.In this paper a small Microstrip patch antenna is introduced .theantenna is designed to function in 2.4 GHz wireless radio band .itachieves return loss -38 dB by the using fr4 substrate under thepatch .the antenna has many practical applications like inWLANWIFI, etc. as illustrated in detail herein .the patch designis simulated in HFSS software .the result showedsatisfactory performance. This technology aims to uniquely identify physical objectattached to a so called tag or transponder. When thereader attempts to identify more than one transponder, itmay face up a simultaneous interfering transmission fromtransponders which may causes a collision as tags arethe same communication channel. For this generic multiaccess communication problem, several algorithms havebeen proposed to identify tags. These protocols areclassified into deterministic approach and probabilisticcollision resolution. The main focus of this work is toanalyze the performance of aloha protocol in the case ofRFID communication system.


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RFID ,Wi-Fi , ALOHA ,medium access collision , Microstrippatch antenna.