# US 8,786,491 B2 · Methods and apparatuses for requesting/providing assistance data associated with various satellite positioning systems in wireless communication networks

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- Number: US 8,786,491 B2
- Document ID: US8786491B2
- Status: Granted
- Kind: B2
- Application number: 12/417,553
- Filed: 2009-04-02
- Published: 2010-01-21
- Granted: 2014-07-22
- Earliest claimed: 2008-07-18
- Assignees: QUALCOMM Incorporated
- Applicants: Sven Fischer; Ie-Hong Lin; Kirk Allan Burroughs; Grant Alexander Marshall; Stephen W. Edge
- Inventors: Sven Fischer; Ie-Hong Lin; Kirk Allan Burroughs; Grant Alexander Marshall; Stephen W. Edge
- Web page: https://patentgrep.com/patent/US8786491B2

## CPC

- H04W 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management
- G01S 19/03: Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES

## Abstract

Methods and apparatuses are provided for use by devices within in wireless communication network to request and/or provide assistance data and/or other like data associated with various Satellite Positioning Systems (SPSs).

## Claims

### Claim 1

A method in a mobile station, the method comprising:
identifying requested assistance data associated with a Satellite Positioning System (SPS) used by said mobile station, wherein the requested assistance data support a position determination process at the mobile station based, at least in part, on received SPS signals; and
transmitting electromagnetic signals representing at least one message over a wireless communication link to at least one network resource, said at least one message comprising at least one element identifying said requested assistance data and a specific format of said requested assistance data, wherein said requested assistance data is available in a plurality of formats.

### Claim 2 (depends on 1)

The method as recited in claim 1, wherein said at least one message is associated with only said SPS.

### Claim 3 (depends on 2)

The method as recited in claim 2, wherein said at least one message comprises a data field that identifies said specific format.

### Claim 4 (depends on 1)

The method as recited in claim 1, wherein said at least one message comprises a single message that is selectively associated with one of a plurality of SPS using a first data field that identifies said SPS.

### Claim 5 (depends on 4)

The method as recited in claim 4, wherein said single message comprises a second data field identifying said specific format.

### Claim 6 (depends on 1)

The method as recited in claim 1, wherein said SPS comprises at least one Global Navigation Satellite System (GNSS).

### Claim 7 (depends on 6)

The method as recited in claim 6, wherein said at least one GNSS comprises at least one of Galileo, GLONASS, Satellite Based Augmentation System (SBAS), Quasi-Zenith Satellite System (QZSS), or modernized Global Positioning System (GPS).

### Claim 8 (depends on 1)

The method as recited in claim 1, wherein the requested assistance data comprises at least one of ephemeris data, almanac data, model data, timing data, or health data.

### Claim 9 (depends on 1)

The method as recited in claim 1, wherein said specific format of said requested assistance data comprises a native format or a non-native format.

### Claim 10 (depends on 1)

The method as recited in claim 1, wherein said at least one element comprises at least one of a request element or a response element, and wherein said at least one element is compliant with at least one of a Telecommunications Industry Association (TIA) IS-801-B standard or an associated Third-Generation Partnership Project 2 (3GPP2) standard.

### Claim 11

An apparatus within a mobile station, the apparatus comprising:
means for identifying requested assistance data associated with a Satellite Positioning System (SPS) used by said mobile station, wherein the requested assistance data support a position determination process at the mobile station based, at least in part, on received SPS signals; and
means for transmitting electromagnetic signals representing at least one message over a wireless communication link to at least one network resource, said at least one message comprising at least one element identifying said requested assistance data and a specific format of said requested assistance data, wherein said requested assistance data is available in a plurality of formats.

### Claim 12 (depends on 11)

The apparatus as recited in claim 11, wherein said at least one message is associated with only said SPS.

### Claim 13 (depends on 12)

The apparatus as recited in claim 12, wherein said at least one message comprises a data field that identifies said specific format.

### Claim 14 (depends on 11)

The apparatus as recited in claim 11, wherein said at least one message comprises a single message that is selectively associated with one of a plurality of SPS using a first data field that identifies said SPS.

### Claim 15 (depends on 14)

The apparatus as recited in claim 14, wherein said single message comprises a second data field identifying said specific format.

### Claim 16 (depends on 11)

The apparatus as recited in claim 11, wherein said SPS comprises at least one Global Navigation Satellite System (GNSS).

### Claim 17 (depends on 16)

The apparatus as recited in claim 16, wherein said at least one GNSS comprises at least one of Galileo, GLONASS, Satellite Based Augmentation System (SBAS), Quasi-Zenith Satellite System (QZSS), or modernized Global Positioning System (GPS).

### Claim 18 (depends on 11)

The apparatus as recited in claim 11, wherein the requested assistance data comprises at least one of ephemeris data, almanac data, model data, timing data, or health data.

### Claim 19 (depends on 11)

The apparatus as recited in claim 11, wherein said specific format of said requested assistance data comprises a native format or a non-native format.

### Claim 20 (depends on 11)

The apparatus as recited in claim 11, wherein said at least one element comprises at least one of a request element or a response element, and wherein said at least one element is compliant with at least one of a Telecommunications Industry Association (TIA) IS-801-B standard or an associated Third-Generation Partnership Project 2 (3GPP2) standard.

### Claim 21

A mobile station comprising:
at least one receiver operatively enabled to receive electromagnetic signals associated with a Satellite Positioning System (SPS);
at least one wireless transceiver; and
at least one processing unit operatively coupled to said receiver and said wireless transceiver and being operatively enabled to:
identify requested assistance data associated with said SPS used by said mobile station, wherein the requested assistance data support a position determination process based, at least in part, on said received electromagnetic signals associated with said SPS; and
initiate transmission of electromagnetic signals representing at least one message over a wireless communication link to at least one network resource using said wireless transceiver, said at least one message comprising at least one element identifying said requested assistance data and a specific format of said requested assistance data, wherein said requested assistance data is available in a plurality of formats.

### Claim 22 (depends on 21)

The mobile station as recited in claim 21, wherein said at least one message is associated with only said SPS.

### Claim 23 (depends on 22)

The mobile station as recited in claim 22, wherein said at least one message comprises a data field that identifies said specific format.

### Claim 24 (depends on 21)

The mobile station as recited in claim 21, wherein said at least one message comprises a single message that is selectively associated with one of a plurality of SPS using a first data field that identifies said SPS.

### Claim 25 (depends on 24)

The mobile station as recited in claim 24, wherein said single message comprises a second data field identifying said specific format.

### Claim 26 (depends on 21)

The mobile station as recited in claim 21, wherein said SPS comprises at least one Global Navigation Satellite System (GNSS).

### Claim 27 (depends on 26)

The mobile station as recited in claim 26, wherein said at least one GNSS comprises at least one of Galileo, GLONASS, Satellite Based Augmentation System (SBAS), Quasi-Zenith Satellite System (QZSS), or modernized Global Positioning System (GPS).

### Claim 28 (depends on 21)

The mobile station as recited in claim 21, wherein the requested assistance data comprises at least one of ephemeris data, almanac data, model data, timing data, or health data.

### Claim 29 (depends on 21)

The mobile station as recited in claim 21, wherein said specific format of said requested assistance data comprises a native format or a non-native format.

### Claim 30 (depends on 21)

The mobile station as recited in claim 21, wherein said at least one element comprises at least one of a request element or a response element, and wherein said at least one element is compliant with at least one of a Telecommunications Industry Association (TIA) IS-801-B standard or an associated Third-Generation Partnership Project 2 (3GPP2) standard.

### Claim 31

An article comprising:
a non-transitory computer readable medium having computer implementable instructions stored thereon which if implemented by one or more processing units in a mobile station operatively enable the mobile station to:
as part of a position determination process, identify requested assistance data associated with a Satellite Positioning System (SPS) used by said mobile station, wherein the requested assistance data support a position determination process at the mobile station based, at least in part, on received SPS signals; and
initiate transmission of electromagnetic signals representing at least one message over a wireless communication link to at least one network resource, said at least one message comprising at least one element identifying said requested assistance data and a specific format of said requested assistance data, wherein said requested assistance data is available in a plurality of formats.

### Claim 32 (depends on 31)

The article as recited in claim 31, wherein said at least one message is associated with only said SPS.

### Claim 33 (depends on 32)

The article as recited in claim 32, wherein said at least one message comprises a data field that identifies said specific format.

### Claim 34 (depends on 31)

The article as recited in claim 31, wherein said at least one message comprises a single message that is selectively associated with one of a plurality of SPS using a first data field that identifies said SPS.

### Claim 35 (depends on 34)

The article as recited in claim 34, wherein said single message comprises a second data field identifying said specific format.

### Claim 36 (depends on 31)

The article as recited in claim 31, wherein said SPS comprises at least one Global Navigation Satellite System (GNSS).

### Claim 37 (depends on 36)

The article as recited in claim 36, wherein said at least one GNSS comprises at least one of Galileo, GLONASS, Satellite Based Augmentation System (SBAS), Quasi-Zenith Satellite System (QZSS), or modernized Global Positioning System (GPS).

### Claim 38 (depends on 31)

The article as recited in claim 31, wherein the requested assistance data comprises at least one of ephemeris data, almanac data, model data, timing data, or health data.

### Claim 39 (depends on 31)

The article as recited in claim 31, wherein said specific format of said requested assistance data comprises a native format or a non-native format.

### Claim 40 (depends on 31)

The article as recited in claim 31, wherein said at least one element comprises at least one of a request element or a response element, and wherein said at least one element is compliant with at least one of a Telecommunications Industry Association (TIA) IS-801-B standard or an associated Third-Generation Partnership Project 2 (3GPP2) standard.