This paper presents a 3D goniometric localization algorithm based on tag arrays. Firstly, the localization model in 3D case is analyzed. After that, the arrangement of tags is considered to reduce the ...

Placement of passive UHF RFID tags and readers is an important consideration for accurate tracking of returnable transport items (RTI). The placement problem refers to the task of determining the ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...