|Titolo:||INDOOR POSITIONING IN THE LOCATED BASED SERVICES|
|Data di pubblicazione:||2008|
|Abstract:||In this paper the Topography Section of the University of Cagliari (Italy) presents the results of the research carried out on the Location Based Services. These are services which use the knowledge of a mobile device’s position (e. g. a mobile phone or PDA) in order to send to the user information and news.The research had the purpose of investigating some critical issues linked to the Location Based Services, particularly related to the location component. In fact to determine the mobile device’s position should is very difficult cause to the environment where the mobile device moves. In these cases the positioning is improved by using a high sensitivity receiver such as a HSGPS. Particularly, we examined the behaviour of such receivers in conditions of weak signal or critical satellite coverage, such as urban canyons or indoor.The achieved results proved that the type of receivers tested offer high values of sensitivity, but to the detriment of accuracy and consistency.|
|Tipologia:||4.1 Contributo in Atti di convegno|
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