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Thread: News - BAE Systems develops alternative to GPS

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    News - BAE Systems develops alternative to GPS

    Capable of potentially replacing or working with GPS, in-building tracking could open doors.
    Read more.

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    Re: News - BAE Systems develops alternative to GPS

    Simple ideas often very useful, sounds great for low-moderate granularity locating, can't see if being as accurate as pure GPS but definitely better than the nothing or the wildly inaccurate results from cell triangulation we have in dead spots now.

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    Re: News - BAE Systems develops alternative to GPS

    Sounds a lot like Skyhook.
    http://www.skyhookwireless.com/howitworks/
    Society's to blame,
    Or possibly Atari.

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    Re: News - BAE Systems develops alternative to GPS

    Lordy it's BAE, means the government will probably just say yes please for a figure of 100 million and end up paying ten fold!

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    Re: News - BAE Systems develops alternative to GPS

    I thought alternatives like GLONASS,Gallieo and Beidou already existed??


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    Re: News - BAE Systems develops alternative to GPS

    I've not heard of all of those but I assume that like GPS they're sateillite based ?
    This and Skyhook are more about mapping the electromagnetic 'map' based on GPS readings. Once mapped, a position can be calculated without any sateillites.
    Society's to blame,
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    Re: News - BAE Systems develops alternative to GPS

    Ir's not a replacement for GPS, nor is it satellite based. Basically, it uses GPS to get an initial position fix, the uses the relative motion of surrounding radio sources to track relative position (e.g if transmitter x is in front of you, then moves 90deg to the left, you have likely rotated 90deg to the right).

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    Re: News - BAE Systems develops alternative to GPS

    I like how it uses GPS jammer signals to approximate your position
    Last edited by miniyazz; 01-07-2012 at 10:29 AM.

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    Re: News - BAE Systems develops alternative to GPS

    Quote Originally Posted by edzieba View Post
    Ir's not a replacement for GPS, nor is it satellite based. Basically, it uses GPS to get an initial position fix, the uses the relative motion of surrounding radio sources to track relative position (e.g if transmitter x is in front of you, then moves 90deg to the left, you have likely rotated 90deg to the right).
    GPS is sateillite. Perhaps you should read what I said and the Skyhook link.
    Society's to blame,
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    Re: News - BAE Systems develops alternative to GPS

    Quote Originally Posted by Phage View Post
    GPS is sateillite. Perhaps you should read what I said and the Skyhook link.
    You obviously did not actually read my post:
    1) Skyhook does not use satellites for mapping. It derives an absolute position from comparing received signals to a database of known mobile phone masts and wifi hotspots.
    2) the BAE system derives a relative position from unknown local transmitters. It does not use satellite transmissions, as these are too faint and would change very little when moving.
    It can be given an initial absolute reference position, and this can be from GPS/Galileo/GLONASS positioning, a hand-input position, or simply from a 0,0,0;0°00:00 assumed reference.

    The interesting part of this system would be knowing how they discriminate fixed unknown transmitters from mobile transmitters on-the-fly.

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