15-12-2011 дата публикации
Номер: KR2011155806A2
Принадлежит:
According to the present invention, a GPS reference station generates and transmits compensation information on GPS deviations for each wireless AP, and a user terminal recognizes and uses the information to compensate for information received through a GPS receiver of the user terminal, in order to deliver precise GPS performance. In particular, a precise GPS system of the present invention comprises: a GPS reference station for receiving a first satellite signal from a GPS satellite to generate navigation compensation information on a wireless AP, and transmitting the generated navigation compensation information to a wireless AP; a wireless AP for receiving the navigation compensation information from the GPS reference station, and transmitting the information to a user terminal; and a user terminal for receiving a second satellite signal from a GPS satellite, recognizing the navigation compensation information from the wireless AP, and generating precise user position information based ...
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