02 - ΣΔΥ50 - ΟΣΣ2 - Τεχνολογίες Εντοπισμού

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Transcript of 02 - ΣΔΥ50 - ΟΣΣ2 - Τεχνολογίες Εντοπισμού

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    2

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    (3,000+ PhDtheses??)

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    4

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    (Lat: 33.98333, Long:

    86.22444)

    5

    1

    , ,

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    :

    6

    ,

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    Indoor vs. outdoor vs.

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    !

    GPS WiFi BeaconsFloor pressureUltrasound

    8

    Ultrasonic time of flight

    E-911

    Stereo camera

    Ad hoc signal strength

    Physical contactInfrared proximity

    Laser range-finding

    VHF Omni Ranging

    Array microphone

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    .

    Car Navigation Child tracking

    Bus view

    E-911

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    .

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    Elder care

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    (Proximit) (Lateration)

    (Hperbolic Lateration)

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    ngu at on (Fingerprinting)

    (Time of Flight) (Signal Strength

    Attenuation)

    (dead reckoning)

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    ,

    12

    , , ,

    ,

    ,

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    A

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    14

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    ,

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    16

    ;

    1/r2

    1/r6

    :

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    :

    ,

    SSID (Name) BSSID (MAC

    address)

    Signal

    Strength

    (RSSI)

    linksys 00:0F:66:2A:61:0

    0

    18

    starbucks 00:0F:C8:00:15:1

    3

    15

    newark wifi 00:06:25:98:7A:0

    C

    23

    17

    .

    ,

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    ,

    ,

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    (accurac) (precision)

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    24 TDOA

    Civilian GPS

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    L1 (1575 MHZ) 10 meter

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    ,

    (No LOS requirement)

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    ,

    ,

    6

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    ,

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    (tags)

    (crickets) ,

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    ,

    ,

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    24

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    +

    +

    client device

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    Active Bat Cricket

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    Ultrawideband (UWB) 68 GH

    Time difference of arrival (TDOA) and Angle of arrival (AOA)

    1530 cm

    UbiTags UWB

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    ,

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    AA 802.11

    WiFi

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    APs

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    , Notebooks,

    PDAs

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    . , ,

    , ,

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    1000 3001600 KH

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    ,

    ,

    ,

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    30

    1stFloor 2ndFloor

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    31

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    A

    , HVAC

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    HVAC

    ,

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    33

    . . , ,