Communication system with assisted GPS and SBAS
First Claim
1. A communication system comprises:
- a reference station operable to;
receive Global Positioning System (GPS) signals to produce received GPS signals;
generate GPS assisting data from the received GPS signals;
receive Satellite Based Augmentation System (SBAS) signals to produce received SBAS signals;
obtain SBAS data from the received SBAS signals;
combine the GPS assisting data and the SBAS data to produce combined GPS data; and
transmit the combined GPS data via a terrestrial wireless communication;
a mobile station operable to;
receive the GPS signals to produce mobile received GPS signals;
receive the combined GPS data via the terrestrial wireless communication; and
generate positioning data from the mobile received GPS signals and the combined GPS data.
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0 Petitions
Accused Products
Abstract
A communication system includes a reference station and a mobile station. The reference station is operable to: receive GPS signals; generate GPS assisting data from the received GPS signals; receive SBAS signals; obtain SBAS data from the received SBAS signals; combine the GPS assisting data and the SBAS data to produce combined GPS data; and transmit the combined GPS data via a terrestrial wireless communication. The mobile station is operable to: receive the GPS signals; receive the combined GPS data via the terrestrial wireless communication; and generate positioning data from the mobile received GPS signals and the combined GPS data.
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Citations
19 Claims
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1. A communication system comprises:
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a reference station operable to;
receive Global Positioning System (GPS) signals to produce received GPS signals;
generate GPS assisting data from the received GPS signals;
receive Satellite Based Augmentation System (SBAS) signals to produce received SBAS signals;
obtain SBAS data from the received SBAS signals;
combine the GPS assisting data and the SBAS data to produce combined GPS data; and
transmit the combined GPS data via a terrestrial wireless communication;
a mobile station operable to;
receive the GPS signals to produce mobile received GPS signals;
receive the combined GPS data via the terrestrial wireless communication; and
generate positioning data from the mobile received GPS signals and the combined GPS data. - View Dependent Claims (2, 3, 4, 5)
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6. A communication system comprises:
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a mobile station operable to;
receive Global Positioning System (GPS) signals to produce mobile received GPS signals;
determine signal quality of the received GPS signals;
when the signal quality of the received GPS signals compares unfavorably with a threshold, request combined GPS data via a terrestrial wireless communication;
receive the combined GPS data via the terrestrial wireless communication; and
generate positioning data from the mobile received GPS signals and the combined GPS data; and
a reference station operable to;
receive the GPS signals to produce received GPS signals;
generate GPS assisting data from the received GPS signals;
receive Satellite Based Augmentation System (SBAS) signals to produce received SBAS signals;
obtain SBAS data from the received SBAS signals;
combine the GPS assisting data and the SBAS data to produce the combined GPS data; and
transmit, when requested, the combined GPS data via the terrestrial wireless communication. - View Dependent Claims (7, 8, 9, 10)
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11. A communication system comprises:
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a reference station operable to;
receive Global Positioning System (GPS) signals to produce received GPS signals;
generate GPS assisting data from the received GPS signals;
receive Satellite Based Augmentation System (SBAS) signals to produce received SBAS signals;
obtain SBAS data from the received SBAS signals;
determine mobile station level of GPS assistance;
when the mobile station level of GPS assistance is in a first state;
combine the GPS assisting data and the SBAS data to produce combined GPS data; and
transmit the combined GPS data via a terrestrial wireless communication;
a mobile station operable to;
receive the GPS signals to produce mobile received GPS signals;
receive the combined GPS data via the terrestrial wireless communication; and
generate positioning data from the mobile received GPS signals and the combined GPS data. - View Dependent Claims (12, 13, 14, 15)
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16. A mobile station comprises:
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a terrestrial wireless communication transceiver; and
a global positioning system (GPS) receiver operably coupled to the terrestrial wireless communication transceiver, wherein;
the GPS receiver receives GPS signals to produce received GPS signals;
the terrestrial wireless communication transceiver receives at least one of combined GPS data, Satellite Based Augmentation System (SBAS) data, and GPS assisting data; and
generate positioning data from the received GPS signals and the at least one of the combined GPS data, the SBAS data, and the GPS assisting data. - View Dependent Claims (17, 18, 19)
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Specification