WO2014150724A1 - Access point selection for assistance data generation - Google Patents

Access point selection for assistance data generation Download PDF

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Publication number
WO2014150724A1
WO2014150724A1 PCT/US2014/024079 US2014024079W WO2014150724A1 WO 2014150724 A1 WO2014150724 A1 WO 2014150724A1 US 2014024079 W US2014024079 W US 2014024079W WO 2014150724 A1 WO2014150724 A1 WO 2014150724A1
Authority
WO
WIPO (PCT)
Prior art keywords
access points
quality value
access point
location
access
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2014/024079
Other languages
English (en)
French (fr)
Inventor
Saumitra Mohan Das
Faraz Mohammad MIRZAEI
Vinay Sridhara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Priority to KR1020157027144A priority Critical patent/KR20150132217A/ko
Priority to JP2016501412A priority patent/JP2016517518A/ja
Priority to CN201480014011.3A priority patent/CN105191456A/zh
Priority to EP14717008.8A priority patent/EP2974480A1/en
Publication of WO2014150724A1 publication Critical patent/WO2014150724A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0236—Assistance data, e.g. base station almanac
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Definitions

  • Another embodiment may be a non-transitory computer readable storage medium comprising a computer program product of computer readable instructions for performing a method of providing assistance data, the method comprising: receiving, at a computing device, at least one signal associated with a plurality of access points in a first area; identifying the plurality of access points using an identifier for each access point of the plurality of access points; associating a location assistance quality value with the identifier for each access point of the plurality of access points; selecting a subset of the plurality of access points based on the location assistance quality value of each access point of the plurality of access points; and generating the assistance data including identifiers for the subset of the plurality of access points.
  • the computing device comprises a location assistance server, and the at least one signal is received from a first mobile device in communication with at least a portion of the plurality of access points.
  • Additional embodiments of such a computing device may further comprise: means for determining a first group of access points from the name quality value, the name quantity value, and the mobile quality value of each of the plurality of access points to identify the first group of access points; means for receiving horizontal dilution of precision (HDOP) information and received signal strength indication (RSSI) heat map information for each access point of the first group of access points; means for calculating a signal quality value from the HDOP information and the RSSI heat map information; and means for calculating the location assistance quality value using the signal quality value.
  • HDOP horizontal dilution of precision
  • RSSI received signal strength indication
  • a location such as area 300 of figure 3 may have significant overlap of APs and a wide variety of AP quality. If, for example, a scan of APs identified 675 unique media access control (MAC) addresses with a small number of known deployment APs, the amount of resources required to generate 675 heatmaps is excessive in terms of both iime to create the maps and size of the data io be sent to a mobile device using location assistance data. If location assistance data was provided to a mobile device for all 675 MAC addresses, the amount of data would be excessive and would slow operation of the assistance system. Further, there is a high likelihood that at least a portion of these would be transient or mobile APs, and therefore not provide useful location information.
  • MAC media access control
  • the display module 703 can comprise a multi-touch-sensitive display .
  • the methods, systems, and devices discussed above are examples. Various embodiments may omit, substitute, or add various procedures or components as appropriate. For instance, in alternative configurations, the methods described may be performed in an order different from that described, and/or various stages may be added, omitted, and/or combined. Also, features described with respect to certain embodiments may be combined in various other embodiments. Different aspects and elements of the embodiments may be combined in a similar manner. Also, technology evolves and, thus, many of the elements are examples that do not limit the scope of the disclosure to those specific examples.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
PCT/US2014/024079 2013-03-15 2014-03-12 Access point selection for assistance data generation Ceased WO2014150724A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020157027144A KR20150132217A (ko) 2013-03-15 2014-03-12 보조 데이터 생성을 위한 액세스 포인트 선택
JP2016501412A JP2016517518A (ja) 2013-03-15 2014-03-12 支援データ生成のためのアクセスポイント選択
CN201480014011.3A CN105191456A (zh) 2013-03-15 2014-03-12 用于辅助数据产生的接入点选择
EP14717008.8A EP2974480A1 (en) 2013-03-15 2014-03-12 Access point selection for assistance data generation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/834,894 2013-03-15
US13/834,894 US20140274043A1 (en) 2013-03-15 2013-03-15 Access point selection for assistance data generation

Publications (1)

Publication Number Publication Date
WO2014150724A1 true WO2014150724A1 (en) 2014-09-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/024079 Ceased WO2014150724A1 (en) 2013-03-15 2014-03-12 Access point selection for assistance data generation

Country Status (6)

Country Link
US (1) US20140274043A1 (enExample)
EP (1) EP2974480A1 (enExample)
JP (1) JP2016517518A (enExample)
KR (1) KR20150132217A (enExample)
CN (1) CN105191456A (enExample)
WO (1) WO2014150724A1 (enExample)

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CN104619011A (zh) * 2014-12-30 2015-05-13 哈尔滨工程大学 基于WiFi、ZigBee和RFID组合的室内无线定位的位置服务系统及其实现方法
WO2016077062A1 (en) * 2014-11-10 2016-05-19 Qualcomm Incorporated Methods, apparatuses, and devices for mobile device position estimation using virtual access points
US9588216B2 (en) 2013-11-12 2017-03-07 Qualcomm Incorporated Method and apparatus for delivering assistance data from a server to a device identifying virtual access points

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US20160187457A1 (en) * 2014-12-29 2016-06-30 Qualcomm Incorporated Hybrid model for smart positioning data processing
US10028084B2 (en) 2015-02-10 2018-07-17 Qualcomm Incorporated Adaptive position indicator
US9549386B2 (en) 2015-02-24 2017-01-17 Qualcomm Incorporated Techniques for reducing scans for indoor position determination
US10009869B2 (en) * 2015-12-29 2018-06-26 Sk Planet Co., Ltd. Method, device and system for estimating location
CN105659636A (zh) * 2016-01-05 2016-06-08 冯旋宇 智能城市的室内定位管理方法及系统
FR3064074B1 (fr) * 2017-03-15 2019-05-03 Sigfox Procede et systeme de geolocalisation d’un terminal d’un systeme de communication sans fil
FR3067900B1 (fr) * 2017-06-14 2020-10-09 Connected Cycle Geolocalisation wifi de biens ou de personnes
CA3108597A1 (en) * 2018-10-19 2020-04-23 Pricewaterhousecoopers Llp Geolocation system
US10997600B1 (en) * 2019-12-16 2021-05-04 Microsoft Technology Licensing, Llc Data transaction scheduling using crowd-sourced network data
EP3883213B1 (en) * 2020-03-17 2024-07-10 Axis AB Associating captured media to a party
CN111652463A (zh) * 2020-04-18 2020-09-11 北京智通云联科技有限公司 基于分形自相似原理的aps递归系统、方法及设备
US11405843B2 (en) 2020-11-25 2022-08-02 Cisco Technology, Inc. Techniques for selecting network protocols

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Cited By (5)

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US9588216B2 (en) 2013-11-12 2017-03-07 Qualcomm Incorporated Method and apparatus for delivering assistance data from a server to a device identifying virtual access points
WO2016077062A1 (en) * 2014-11-10 2016-05-19 Qualcomm Incorporated Methods, apparatuses, and devices for mobile device position estimation using virtual access points
US9983291B2 (en) 2014-11-10 2018-05-29 Qualcomm Incorporated Methods, apparatuses, and devices for mobile device position estimation using virtual access points
CN104619011A (zh) * 2014-12-30 2015-05-13 哈尔滨工程大学 基于WiFi、ZigBee和RFID组合的室内无线定位的位置服务系统及其实现方法
CN104619011B (zh) * 2014-12-30 2018-06-12 哈尔滨工程大学 基于WiFi、ZigBee和RFID组合的室内无线定位的位置服务系统及其实现方法

Also Published As

Publication number Publication date
KR20150132217A (ko) 2015-11-25
EP2974480A1 (en) 2016-01-20
CN105191456A (zh) 2015-12-23
US20140274043A1 (en) 2014-09-18
JP2016517518A (ja) 2016-06-16

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