Designing a positioning system for finding things and people indoors.
Despite extraordinary advances in Global Positioning System (GPS) technology, millions of square meters of indoor space are out of reach of Navstar satellites. Their signals, originating high above the Earth, are not designed to penetrate most construction materials, and no amount of technical wizar...
| Publicado en: | IEEE spectrum 35, 9 (1998). |
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| Autor Principal: | |
| Formato: | Artigo |
| Idioma: | English |
| Subjects: |