WO2014147606A1 - Système et procédé de mise en oeuvre de récupération de données gps - Google Patents

Système et procédé de mise en oeuvre de récupération de données gps Download PDF

Info

Publication number
WO2014147606A1
WO2014147606A1 PCT/IL2014/000018 IL2014000018W WO2014147606A1 WO 2014147606 A1 WO2014147606 A1 WO 2014147606A1 IL 2014000018 W IL2014000018 W IL 2014000018W WO 2014147606 A1 WO2014147606 A1 WO 2014147606A1
Authority
WO
WIPO (PCT)
Prior art keywords
gps
wireless device
location
data
assistance data
Prior art date
Application number
PCT/IL2014/000018
Other languages
English (en)
Inventor
Roy Glasberg
Ishay Barlev
Original Assignee
U-Tx Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by U-Tx Ltd. filed Critical U-Tx Ltd.
Publication of WO2014147606A1 publication Critical patent/WO2014147606A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information

Definitions

  • the present invention generally relates to mobile telephone technology, and more particularly to a system and method for implementation of assistance data for GPS.
  • GPS determining capabilities must typically be initially activated or defined as "allowed" by a user.
  • AD Assistance Data
  • MS Mobile Station
  • A-GPS Assisted-Global Positioning System
  • ASCII American Standards Code Information Interchange
  • serial communications protocol which defines both the communication interface and the data format. It is used for communication between electronic devices such as GPS receivers and many other types of instruments.
  • ASCII is a code in which alphanumeric characters are represented as eight-digit binary numbers.
  • o Is defined as an implementation where assistance data is provided to the MS, by the network, such that the MS can calculate its own location estimate. Both methods require a GPS receiver to be integrated into MS.
  • MS-based method is presently preferred for the present invention. This method is depicted in Table I.
  • the Differential Global Positioning System uses a network of fixed, ground- based reference stations to broadcast the difference between positions indicated.
  • the GPS almanac is a set of data that every GPS satellite transmits, including information about the state of the entire GPS satellite population of the network, and coarse data on every satellite's orbit.
  • a GPS receiver When a GPS receiver has current almanac data in memory, it can acquire satellite signals and determine initial position more quickly.
  • GSM Global System for Mobile Communications
  • the present invention is applied at one or more checkpoints, in a specific area, for example, at an airport.
  • NW Private Network
  • the target phone is in the purview of the PN, and the phone is sending measurements and information to the PN tower.
  • the present invention uses assisted GPS (AGPS). If a smart phone with such GPS capabilities "sees" the sky, it can see the GPS satellites, get the signals from them and basically find its own position, similar to the operation of a GPS device in a car. Also the real network can do the calculation itself. The mobile phone still calculates the GPS position. The operator of the present invention system gives this information to the phone. The phone finishes the calculation and gets the position in seconds. It is helpful if the protocol is known and to know which pieces of information the cellular network operator must pass to the phone. This technique is accurate for meters up to tens of meters in the worst case. If silent call is used, the information is made available in a continuous way.
  • AGPS assisted GPS
  • the present invention also incorporates a public safety technique regarding any GPS- capable mobile device.
  • the operator can send a command to locate the position of any mobile with A-GPS, even if the GPS capability of the device was turned off by the user of the mobile device.
  • the present invention can be used for finding lost people, such as lost teenagers, locating someone injured in a car crash, etc. If the person calls the 911 operator the operator can signal the cell phone and get the GPS location. This works even if the user of the cell phone turns off his GPS capability. The user's menu indicates that the GPS feature is off. Phones belonging to people who work at the checkpoint are "blacklisted" so as not to be affected by this operation.
  • the GPS location data retrieval is accomplished by sending a special request message (which may contain some assistance data) to the mobile device.
  • Assistance data may include precise satellite orbital elements (such as: almanac, approximate position and time, atmospheric interference and delays, ephemeris or its compressed equivalent).
  • the mobile device may use this assistance data to shorten the time needed to perform a position calculation.
  • the mobile device sends the location data back to the network.
  • These request/response messages are a part of standard mobile communication protocol that allows GPS location retrieval from mobile device for emergency and rescue purposes.
  • Location data retrieval process is transparent and mostly undetectable or completely undetectable for the mobile device's user. This process can be performed by means of a standalone software and base transceiver system. It may be done simultaneously with other location activity such as ones using direction finding of RF signals.
  • FIG. 1 shows the GPS Harvest Architecture, constructed according to exemplary embodiments of the present invention
  • FIG. 2 is a GSM/UMTS Data Flow diagram showing the GPS Harvest request during presence verification, constructed according to exemplary embodiments of the present invention
  • FIG. 3 is a data flow diagram illustrating the message flow for a GPS harvest during a GSM/UMTS location update, constructed according to exemplary embodiments of the present invention.
  • FIG. 4 is a data flow diagram illustrating assistance data retrieval, constructed according to exemplary embodiments of the present invention.
  • FIG. 1 shows the GPS Harvest Architecture, constructed according to exemplary embodiments of the present invention, connected to a personal computer and mobile phone.
  • General GPS harvest architecture Structure, Components and Interfaces.
  • the Common GPS Parser 130 is a component which communicates with a dedicated, AD capable GPS receiver 1 10.
  • Each specific GPS receiver device 110 has a software implementation module based on this Common Parser 130 and has its own interface with the receiver 1 10.
  • each parser will have its own data processing implementation that converts the received AD from the receiver in a format defined by the 3GPP standard which is accepted by the MS.
  • Such a flexible modular design allows using different GPS receiver devices with their own parser implementations that can be used within the GPS harvest system.
  • GPS Parser is responsible for:
  • GPS Parser 120 Converting assistance data (AD) to 3 rd generation partnership project (3GPP) format
  • 3GPP 3 rd generation partnership project
  • the GPS Parser 120 is based on the Common GPS parser 130.
  • the communication between parser 120 and receiver 1 10 is done using the NMEA protocol via a serial COM interface.
  • GPS receiver 1 10 supports the latest release of NMEA with additional proprietary NMEA sentences which allow retrieving the information used for assistance data.
  • the AGPS Location Manager (LM) 140 is responsible for:
  • AGPS LM 140 should constantly request AD from GPS Parser 130 based on a timer timeout. The optimal timeout value will be calculated experimentally. At the moment new AD is retrieved, it is sent to the 3G/2G Manager 143, which forwards the data to the 3G/2G BSC 150.
  • the caching of AD is done inside the 3G/2G BSC 150 as soon as it is sent by AGPS LM 140.
  • GPS Assistance Data is a detailed list of assistance data required by MS is presented below in Tables II through VII.
  • the components which constitute the assistance data are optional, as an MS will only use a subset of this information. For example, it may be enough for the MS to use only approximate position, ephemeris, and approximate time.
  • the MS can return the position to the network via a Location Information message: 3GPP TS 04.31 - A.3.2.4.
  • the message contains the device's position data along with optional uncertainty and altitude.
  • FIG. 2 is a Data Flow diagram showing the GPS Harvest request during presence verification (215), constructed according to exemplary embodiments of the present invention.
  • Client Ul sends 210 a presence verification request 221 to the 3G/2G BSC 230.
  • 3G/2G BSC 230 sends a CheckAlive page to the target 231.
  • NMR Network Measure Report
  • Position Request is sent 233 using RRLP protocol if:
  • Measure Position Response is received 234;
  • 3G/2G BSC sends NMR results to 3G/2G Manager, which in its turn forwards them to AGPS Location Manager 222.
  • FIG. 3 is a data flow diagram illustrating the message flow for a GPS harvest during a location update, constructed according to exemplary embodiments of the present invention.
  • MS sends a Location Update to the 3G/2G BSC 351.
  • a network measurement record (NMR) request is sent to a list of neighbors 331.
  • a Position Request is sent 332 using Radio Resource Location services (LCS) Protocol (RRLP) if:
  • the GPS Harvest feature is enabled.
  • the phone supports AGPS capabilities.
  • Timeout (x seconds) (An exemplary, non-binding default value should be decided)
  • 3G/2G BSC sends NMR results (333) to 3G/2G Manager, which in its turn forwards them (321) to AGPS Location Manager.
  • 3G/2G Manager sends MS location (322) to Client Ul.
  • FIG. 4 is a data flow diagram illustrating assistance data retrieval, constructed according to exemplary embodiments of the present invention
  • AGPS LM on a timeout requests AD from GPS Parser 431.
  • GPS Parser requests AD from GPS receiver 421.
  • AGPS LM receives the AD 432 and sends it 433 to 3G/2G Manager.
  • AD is sent 441 to the 3G/2G BSC and is cached there.
  • GPS Assistance Data is sent 441 to the 3G/2G BSC and is cached there.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne une méthode permettant à un tiers de déterminer l'emplacement d'un dispositif sans fil au moyen de données GPS, comprenant l'envoi d'un message de demande d'un tiers, demandant des données d'assistance GPS, à un dispositif sans fil prédéterminé, le dispositif sans fil comportant un récepteur GPS ; la réception d'un message de réponse provenant du dispositif sans fil, la réponse comprenant des données d'assistance GPS ; le calcul et la détermination de l'emplacement du dispositif sans fil.
PCT/IL2014/000018 2013-03-21 2014-03-20 Système et procédé de mise en oeuvre de récupération de données gps WO2014147606A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361803808P 2013-03-21 2013-03-21
US61/803,808 2013-03-21

Publications (1)

Publication Number Publication Date
WO2014147606A1 true WO2014147606A1 (fr) 2014-09-25

Family

ID=51579383

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2014/000018 WO2014147606A1 (fr) 2013-03-21 2014-03-20 Système et procédé de mise en oeuvre de récupération de données gps

Country Status (1)

Country Link
WO (1) WO2014147606A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090275348A1 (en) * 2008-05-02 2009-11-05 Weinreich Andrew P Location-Based Services Platform
US20120109853A1 (en) * 2003-08-01 2012-05-03 Culpepper Jerry W Method and system for providing tracking services to locate an asset
US20120282884A1 (en) * 2011-05-05 2012-11-08 Nicholas Sun System and method for the emergency voice and image e-mail transmitter device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120109853A1 (en) * 2003-08-01 2012-05-03 Culpepper Jerry W Method and system for providing tracking services to locate an asset
US20090275348A1 (en) * 2008-05-02 2009-11-05 Weinreich Andrew P Location-Based Services Platform
US20120282884A1 (en) * 2011-05-05 2012-11-08 Nicholas Sun System and method for the emergency voice and image e-mail transmitter device

Similar Documents

Publication Publication Date Title
EP1434970B1 (fr) Procede et systeme de transmission d'images avec codes de localisation par un reseau sans fil
US7893869B2 (en) Global navigation satellite system
EP1971876B1 (fr) Système mondial de navigation par satellite
KR101001087B1 (ko) 세계 항행 위성 시스템
US8718673B2 (en) System and method for location assurance of a mobile device
US7233798B2 (en) Method and apparatus for determining location of a remote unit using GPS
WO2010065253A2 (fr) Système et procédé de protection contre l'usurpation de données de mesure gnss
KR20030046656A (ko) 지피에스 수신기능 구비 이동통신 단말기를 이용한 자동위치통지방법 및 그를 구현하는 이동통신 단말기
JP5078352B2 (ja) 部分的アルマナック収集システム
WO2014147606A1 (fr) Système et procédé de mise en oeuvre de récupération de données gps
Cevallos et al. Using personal global positioning system devices in paratransit
JP3960134B2 (ja) 位置通知システム、ホスト装置及び位置通知方法
Langley The global positioning system: past, present, and future
KR20050004492A (ko) 발신자 위치정보 제공방법
Li et al. An AGPS positioning algorithm based on the secure user plane location protocol

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14767967

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14767967

Country of ref document: EP

Kind code of ref document: A1