BRPI0402726A - Utilização da posição aproximada de um dispostivo determinada a partir de sinais ambientes - Google Patents

Utilização da posição aproximada de um dispostivo determinada a partir de sinais ambientes

Info

Publication number
BRPI0402726A
BRPI0402726A BR0402726-4A BRPI0402726A BRPI0402726A BR PI0402726 A BRPI0402726 A BR PI0402726A BR PI0402726 A BRPI0402726 A BR PI0402726A BR PI0402726 A BRPI0402726 A BR PI0402726A
Authority
BR
Brazil
Prior art keywords
positions
approximate
radio signals
determined
signal strengths
Prior art date
Application number
BR0402726-4A
Other languages
English (en)
Inventor
John C Krumm
Gerald F Cermak
Eric J Horvitz
Adel Amin Abdelazim Youssef
Edward C Miller
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Publication of BRPI0402726A publication Critical patent/BRPI0402726A/pt

Links

Classifications

    • 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
    • G01S5/0295—Proximity-based methods, e.g. position inferred from reception of particular signals
    • 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
    • G01S5/0252—Radio frequency fingerprinting
    • 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
    • G01S5/0252—Radio frequency fingerprinting
    • G01S5/02521—Radio frequency fingerprinting using a radio-map
    • 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
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0018—Transmission from mobile station to base station
    • G01S5/0027—Transmission from mobile station to base station of actual mobile position, i.e. position determined on mobile
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/096741—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where the source of the transmitted information selects which information to transmit to each vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Alarm Systems (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)

Abstract

"UTILIZAçãO DA POSIçãO APROXIMADA DE UM DISPOSITIVO DETERMINADA A PARTIR DE SINAIS AMBIENTES". A presente invenção emprega posições aproximadas de dispositivo determinadas a partir de mudanças na potência detectada de sinais de rádio em posições diferentes. Em uma instância da invenção, as posições aproximadas de dispositivo são baseadas em procedimentos de inferência que são usados para processar sinais ambientes de rádio comercial, para avaliar uma posição ou uma distribuição de probabilidade em relação à posição de um dispositivo. Em uma outra instância da invenção, são utilizadas posições aproximadas de dispositivo derivadas de métodos de aprendizagem e de inferência que são aplicados para classificar vetores de potência de sinal. Mudar para tais ordenações de classificação conduz a métodos que ignoram a consideração de potências absolutas de sinal em cálculos de posição. A invenção utiliza aproximações para uma posição de dispositivo que se baseia em um método que não exige um número substancial de potências de sinais ambientes disponíveis enquanto proporcionando, ainda, inferências de posição úteis na determinação das posições. Vários serviços essenciais para a posição são suportados, incluindo recebimento de informação específica para a posição como informes sobre tráfego, informação de emergência, transmissão sobre posição do dispositivo, e promoções suscetíveis ao momento, como descontos oferecidos por empresas para equilibrar a provisão de serviços.
BR0402726-4A 2003-07-22 2004-07-09 Utilização da posição aproximada de um dispostivo determinada a partir de sinais ambientes BRPI0402726A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48927403P 2003-07-22 2003-07-22
US10/742,198 US7202816B2 (en) 2003-07-22 2003-12-19 Utilization of the approximate location of a device determined from ambient signals

Publications (1)

Publication Number Publication Date
BRPI0402726A true BRPI0402726A (pt) 2005-05-24

Family

ID=33493636

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0402726-4A BRPI0402726A (pt) 2003-07-22 2004-07-09 Utilização da posição aproximada de um dispostivo determinada a partir de sinais ambientes

Country Status (9)

Country Link
US (1) US7202816B2 (pt)
EP (1) EP1500948B1 (pt)
KR (1) KR101099160B1 (pt)
CN (1) CN1607399B (pt)
AU (1) AU2004203016B2 (pt)
BR (1) BRPI0402726A (pt)
CA (1) CA2472828C (pt)
MX (1) MXPA04006635A (pt)
RU (1) RU2356091C2 (pt)

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Also Published As

Publication number Publication date
KR101099160B1 (ko) 2011-12-27
JP2005140766A (ja) 2005-06-02
EP1500948A1 (en) 2005-01-26
JP4005986B2 (ja) 2007-11-14
CA2472828A1 (en) 2005-01-22
RU2004120679A (ru) 2006-01-10
CA2472828C (en) 2012-05-01
AU2004203016A1 (en) 2005-02-10
AU2004203016B2 (en) 2009-11-12
KR20050011688A (ko) 2005-01-29
US20050020210A1 (en) 2005-01-27
MXPA04006635A (es) 2005-09-08
CN1607399B (zh) 2011-08-17
CN1607399A (zh) 2005-04-20
RU2356091C2 (ru) 2009-05-20
EP1500948B1 (en) 2013-02-13
US7202816B2 (en) 2007-04-10

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