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UWB positioning systems are able to provide outstanding accuracy and precision of localization. However, system performance strongly depends on the quality of reference clock oscillators installed in system devices and accuracy of anchors synchronization. The paper describes a new transmission scheme providing wireless infrastructure nodes synchronization and reduction of errors caused by tag's clock...
Wireless positioning based on IEEE 802.15.4a has recently gained attention for precise localization. However, the multi-user scalability of those, mostly two-way ranging based, approaches is not considered. Due to the exchange of multiple frames per ranging, two-way ranging has significant downsides in terms of scalability. This paper proposes and validates a novel multi-user time-difference of arrival...
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