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UHF RFID portal, usually composed by two or three antennas which connect to one reader. However, RFID system designers often feel puzzle about the antenna deployment since they have no idea of how high or which angle the antenna should be or how many antennas should be deployed. An antenna deployment optimization and evaluation method was proposed in this paper, which can guide the designer to optimize...
Radio Frequency Identification (RFID) technology are gaining much attention for indoor location sensing. LANDMARC was the first attempt utilizing RFID reference tags which make the system adaptable to the environment changes. However, the system suffers from some problems. For example, to further improve the localization accuracy, more reference tags are needed. This means longer latency in tracking...
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