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Secure user plane location (SUPL) redirection and mobile location protocol (MLP) tunneling to a discovered SLP

A technology for mobile devices and message redirection, applied in security devices, services based on location information, wireless network protocols, etc., can solve the problem that H-SLP cannot obtain the exact location of SET, etc.

Inactive Publication Date: 2014-04-30
QUALCOMM INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when a SET (SUPL-capable terminal) such as a mobile device is not served by the home network or a network with known properties of the SET's H-SLP (Home SUPL Location Platform), it is impossible for the H-SLP to obtain the exact location of the SET, or it is not possible for the SET to obtain its own location accurately by participating in a SUPL (Secure User Plane Location) session with the H-SLP

Method used

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  • Secure user plane location (SUPL) redirection and mobile location protocol (MLP) tunneling to a discovered SLP
  • Secure user plane location (SUPL) redirection and mobile location protocol (MLP) tunneling to a discovered SLP
  • Secure user plane location (SUPL) redirection and mobile location protocol (MLP) tunneling to a discovered SLP

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Embodiment Construction

[0017] As an initial matter, throughout this application the following abbreviations will be used with given meanings:

[0018]

[0019]

[0020] Conventional GPS receivers work best in open areas that provide an unobstructed line of sight to GPS satellites orbiting overhead. In locations where GPS signals are weak, blocked, or scattered, as is the case within buildings, building complexes, subways, or urban canyons, traditional GPS receivers calculate position intermittently at best, and often fail to calculate position at all. AGPS technology can deliver location in some but not all locations where traditional GPS receivers are ineffective.

[0021] SUPL is a location solution that can enable the use of AGPS and other positioning methods such as AFLT, OTDOA and ECID developed by the Open Mobile Alliance (OMA). The SUPL architecture consists of two basic elements: a SUPL-capable terminal (SET) and a SUPL location platform (SLP). A SET is a mobile device, such as a pho...

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Abstract

Systems and methods for Secure User Plane (SUPL) Redirection and Mobile Location Protocol (MLP) Tunneling to a Discovered SUPL Location Platform (D-SLP) are disclosed. For example, a method for SUPL redirection by a SET, may include: receiving an initiation message at a SET from a Home SUPL Location Platform (H-SLP); establishing a secure connection with the H-SLP, and returning a response message; receiving a redirect message from the H-SLP; establishing a SET initiated SUPL session with a D-SLP; obtaining a location of the SET using the D-SLP; and returning the location to the H-SLP.

Description

technical field [0001] The present invention generally relates to location determination, for example using Secure User Plane Location (SUPL), and to using Discovered SUPL Location Platform (D-SLP). For example, embodiments described herein may include secure user plane redirection and mobile location protocol tunneling to D-SLP. Background technique [0002] Mobile devices such as mobile phones, notebooks, computers, etc. typically have the ability to estimate their position and / or position using any of several technologies, such as a Satellite Positioning System (SPS)—e.g., GPS, Galileo, Glo Nass et al., Advanced Forward Link Trilateration (AFLT), Observed Time Difference of Arrival (OTDOA), Cell ID or Enhanced Cell ID (ECID). Positioning or position estimation techniques generally involve the processing of measurements that may be based on signals acquired at a mobile device receiver. For example, a mobile device may acquire SPS signals or pilot signals transmitted from...

Claims

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Application Information

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IPC IPC(8): H04W4/20H04W8/06H04W48/16H04W80/08H04W64/00H04W4/02H04L29/08H04L12/46H04W12/00H04W4/024H04W4/029
CPCH04W64/00H04W4/20H04W4/02H04L63/107H04W80/08H04L67/2814H04W76/022H04W76/12H04W4/024H04W4/029H04W12/08H04L67/563H04W36/322H04W36/1446H04W36/14H04W36/32
Inventor 斯蒂芬·威廉·埃奇安德烈亚斯·克劳斯·瓦赫特
Owner QUALCOMM INC
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