Methods and apparatuses for assisted navigation systems
First Claim
1. A network element comprisinga controlling element for forming assistance data of a generalized navigation model including at least one clock model and at least one orbit model to be used to characterize satellite clock behaviour and satellite orbit in more than one navigation system, wherein said assistance data contains an indication of the navigation system to which said assistance data applies;
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further wherein the controlling element selects a format of the assistance data for the transmission of the assistance data; and
constructs the assistance data according to the selected format.
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Accused Products
Abstract
The invention relates to a navigation systems and elements. A network element (M) includes a receiver (M.2.2) for forming assistance data relating to at least one navigation system. The network element (M) inserts indication of the navigation system and a selected mode into the assistance data and constructs the assistance data according to the selected mode. The network element (M) has a transmitting element (M.3.1) for transmitting the assistance data via a communications network (P) to a device (R). The device (R) includes a positioning receiver (R.3) for performing positioning on the basis of one or more signals of the at least one satellite navigation system; a receiver (R.2.2) for receiving the assistance data from the network element (M); and an examining element (R.1.1) adapted to examine the received assistance data. The assistance data is adapted to be used by the positioning receiver for performing positioning of the device (R).
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Citations
11 Claims
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1. A network element comprising
a controlling element for forming assistance data of a generalized navigation model including at least one clock model and at least one orbit model to be used to characterize satellite clock behaviour and satellite orbit in more than one navigation system, wherein said assistance data contains an indication of the navigation system to which said assistance data applies; - and
a transmitting element for transmitting the assistance data to a communications network; and further wherein the controlling element selects a format of the assistance data for the transmission of the assistance data; and constructs the assistance data according to the selected format. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification