Fundamental experiments on wireless ALN positioning-for establishment of ubiquitous positioning environment-:—for establishment of ubiquitous positioning environment—
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概要
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We made experiments on fundamentals of the wireless LAN positioning, including 3-demensional positioning accuracy. A typical experiment was conducted in a gymnasium with furniture emulating the office environment. The horizontal accuracy was 2.6m and the vertical was 4.4m (67%probability) at 1 to 2m height. Detection of the current floor is not possible by the wireless LAN positioning in the usual office environment. Mainfactors of the error are the multipath and the geographical arrangement of wireless LAN access points. Motion of the wireless LAN instrument, which is the positioning target, in the walking speed does not affect positioning accuracy. A microwave oven did not adversely affect the positioning accuracy in these experiments.
- 社団法人 日本写真測量学会の論文
社団法人 日本写真測量学会 | 論文
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