GPS node locator using an intermediate node location for determining location of a remote node
First Claim
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1. A method for determining a global navigation satellite system (GNSS)-based location of a remote node, comprising:
- receiving GNSS signal samples through a communication network from said remote node for offloading computation from said remote node to a processor location, said communication network having an intermediate node not co-located with said remote node, all said GNSS signal samples corresponding to digitized samples of a GNSS signal, said GNSS signal received by said remote node and digitized in said remote node to convert said GNSS signal to said digitized samples, wherein said GNSS signal samples are not pseudoranges;
geolocating a node ID associated with said intermediate node for determining a geographical location of said intermediate node; and
determining, at said processor location separate from said remote node and said intermediate node, a GNSS-based geographical location of said remote node based on said GNSS signal samples and said intermediate node location.
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Abstract
A network-aided GNSS node locator for receiving GNSS signal samples. A GNSS positioning system may include a GNSS remote node for sampling a GNSS signal and transmitting the GNSS signal samples through a communication network having an intermediate node. The GNSS node locator receives the GNSS signal samples through the communication network, geolocates the intermediate node from a node ID, and uses the GNSS signal samples with the intermediate node geographical location for determining the geographical location of the remote node.
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Citations
20 Claims
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1. A method for determining a global navigation satellite system (GNSS)-based location of a remote node, comprising:
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receiving GNSS signal samples through a communication network from said remote node for offloading computation from said remote node to a processor location, said communication network having an intermediate node not co-located with said remote node, all said GNSS signal samples corresponding to digitized samples of a GNSS signal, said GNSS signal received by said remote node and digitized in said remote node to convert said GNSS signal to said digitized samples, wherein said GNSS signal samples are not pseudoranges; geolocating a node ID associated with said intermediate node for determining a geographical location of said intermediate node; and determining, at said processor location separate from said remote node and said intermediate node, a GNSS-based geographical location of said remote node based on said GNSS signal samples and said intermediate node location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus for determining a global navigation satellite system (GNSS)-based location of a remote node, comprising:
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a geolocator for using a node ID associated with an intermediate node, not co-located with said remote node, in a communication network for determining a geographical location of said intermediate node; and a GNSS signal sample processor at a location separate from said remote node and said intermediate node, the GNSS signal sample processor configured to offload position determination computation from said remote node by receiving GNSS signal samples through said intermediate node, all said GNSS signal samples corresponding to digitized samples of a GNSS signal received by said remote node and digitized in said remote node to convert said GNSS signal to said digitized samples, wherein said GNSS signal samples are not pseudoranges; and
using said intermediate node location with said GNSS signal samples for determining a GNSS-based geographical location of said remote node. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification