6 uppsatser
Personlig navigation inomhus via mobiltelefon
… att navigera i en inomhus-miljö. En radiofingeravtrycksmetod baserat på RSSI-mätningar från Bluetooth-enheter im-plementerades och integrerades med en dödräkningsmetod som använder en IMU för att positionera användaren. Utefter tester och simuleringar utförts presenteras …
Självständigt arbete i Teknisk Fysik
This report studies the possibility of using some sort of radio sender and transmitter in order to position skis lost in powder snow. It is concluded that a RF-solution on the 433 MHz frequency should be the most efficient. Different forms of directional antennas are examined …
… is observed. In a gymnasium the standard deviation was calculated to 0.38 RSSIwhereas in an office environment it was 0.99 RSSI. In regard to the given results the authors conclude that Bluetooth Low Energy shows some potential for the use in indoor positioning systems. A …
Utveckling av en transponder som med befintliga tekniker erbjuder möjlighet att, över stora avstånd, lokalisera gods utom- såväl som inomhus.
… been tested with bredbandskollen (www.bredbandskollen.se). The signal strength(RSSI) has been read in the configuration menu of the broadband routers as well as in the cellphone. The conclussions drawn: Net1s net appears to be more used compared to its capacity than the other …
… been tested with bredbandskollen (www.bredbandskollen.se). The signal strength(RSSI) has been read in the configuration menu of the broadband routers as well as in the cellphone. The conclussions drawn: Net1s net appears to be more used compared to its capacity than the other …
