SYSTEM AND METHOD FOR POSITIONING A GPS DEVICE
First Claim
1. A system by which, through the use of GPS measurement, the correct location of a GPS antenna (A), connected to a GPS device, is selected from a plurality of previously known alternative locations, wherein, in order to select the correct location of the antenna (A), the system determines theoretical ranges between GPS satellites and the alternative locations and/or differences between these ranges, on the basis of positional data of the GPS satellites as well as positional data of the alternative 10 locations.
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Accused Products
Abstract
A system and a method for determining the correct position for a GPS device from a predefined set of alternatives are provided. Based on the known positions of the visible GPS satellites and of the predefined alternative locations, the system determines theoretical distances between each satellite and each location and/or differences thereof These distances are related to the distance measured between the GPS device antenna and each GPS satellite in order to choose the location from among the predefined location alternatives. Also disclosed are a system and a method for identification of predefined container slots on a freight yard.
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Citations
15 Claims
- 1. A system by which, through the use of GPS measurement, the correct location of a GPS antenna (A), connected to a GPS device, is selected from a plurality of previously known alternative locations, wherein, in order to select the correct location of the antenna (A), the system determines theoretical ranges between GPS satellites and the alternative locations and/or differences between these ranges, on the basis of positional data of the GPS satellites as well as positional data of the alternative 10 locations.
- 7. A method by which, through the use of GPS measurement, the correct location of a GPS antenna (A) connected to a GPS device is selected from a plurality of previously known alternative locations, wherein, in order to select the correct location of the antenna (A) connected to a GPS device, the theoretical ranges between GPS satellites and the alternative locations and/or differences between these ranges are determined on the basis of positional data of the GPS satellites as well as positional data of the alternative locations.
Specification