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In radio frequency identification (RFID) networks with dense readers, reader collision yields low transmission efficiency, characterized by the number of concurrent operating readers per millisecond in a network. In this paper, a novel anticollision algorithm with high transmission efficiency is proposed by accounting for readers' relative densities in practice. To this end, a sub-frame with variable...
In RFID systems, applying multiple readers will cause communication conflict or data interference (i.e. reader collision) when the readers within the interference region of each other attempt to access a tag by using the same frequency channel and at the same time. In order to solve this reader collision problem, many reader anti-collision algorithms have been proposed. This paper attempts to globally...
In RFID systems, if two or more tags response a reader simultaneously, communication conflict or data interference (i.e. reader collision and/or tag collision) will occur. As a result, the reader cannot receive information of these tags correctly. In order to solve this type of tag collision problem, many tag anti-collision algorithms have been proposed, such as a series of Aloha-based algorithms...
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