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General Wi-Fi Active for More Accurate Position Determination

Discussion in 'Android Devices' started by edstewbob, Jan 5, 2012.

  1. edstewbob

    edstewbob Well-Known Member
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    I've seen it mentioned in lots of places that Wi-Fi should be active for more accurate position determination and am having a hard time understanding how an active Wi-Fi signal could improve GPS accuracy. I hope someone knows why and can help. I saw it mentioned again related to Smart Actions and every time I see it I wonder how this could be.
     

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  2. pm1066

    pm1066 Android Enthusiast
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    It is useful for location because wifi routers will generally have a fixed location. So, when I connect to my home router, it knows I'm at home. It only gives a relative, not absolute, location. It doesn't do squat for gps.
     
  3. trophynuts

    trophynuts Android Expert
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    OP when you see that it is assuming you are in range and can connect to a wireless access point of some sort.


    if your driving down the road in your car in the middle of nowhere it's not going to help.
     
  4. edstewbob

    edstewbob Well-Known Member
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    If I connect to my home Wi-Fi router any idea how the location of that device is known including the case when I am using Mobile Hotspot? BTW I have always received a good GPS lock from inside my house on phones going back to my 1st Blackberry Pearl.
     
  5. Szadzik

    Szadzik Android Expert
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    It knows because your ISP publishes that information on its link.
     

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