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Present studies on reader collision problem of RFID are commonly based on an assumption that if intersection areas exist between interrogation range of different readers, reader collision problem will confuse the tags within the intersection area and make them unable to communicate with any reader. On the contrary, the reader-to-tag collision phenomenon is detailedly analyzed in this paper, a new...
The problem of tag contention is a major obstacle for performance improvement of RFID system. Contention control strategy can increase throughput of the finite shared wireless channel and thus accelerate the identification of large RFID tag populations. This paper presents a novel contention control strategy, interleave binary tree algorithm, that combines the advantages of Aloha algorithm and tree...
In this paper, the E-field distribution in a waveguide partly filled with t issue-simulating liquid at mobile communications frequencies is presented. For the E-field probes calibration in the tissue-simulating liquid, a standing open rectangular waveguide partly filled with tissue-simulating liquid is used in which the E-field can be calculated analytically from input power measurements. It is desirable...
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