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Pedestrian Dead Reckoning Enables Indoor Navigation Without WiFi
12/16/2013

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Sensor Platforms 'bearing' algorithm compensates for method of carrying, device attitude, and other factors that could throw off accurate readings. (Source: Sensor Platform)
Sensor Platforms "bearing" algorithm compensates for method of carrying, device attitude, and other factors that could throw off accurate readings.
(Source: Sensor Platform)

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zeeglen
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Re: Stumble off a pier in Australia
zeeglen   12/19/2013 10:19:00 PM
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LOL! (Recent cartoon contest)

David Ashton
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Re: Stumble off a pier in Australia
David Ashton   12/19/2013 10:04:41 PM
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Let's hope it was a Bluetooth-equipped shark!

zeeglen
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Re: Stumble off a pier in Australia
zeeglen   12/19/2013 10:02:13 PM
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>BTW, did it say what happened to the phone??

Most likely a shark got it.  ("What are all those wierd noises in my stomach?")


David Ashton
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Re: Stumble off a pier in Australia
David Ashton   12/19/2013 9:48:08 PM
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@Zeeglen.....I'm sure there's Australians who could do that too. doesn't have to be a tourist.  Of course the main question is why, with Australia's culture of workplace safety and finding someone else to blame for your own incompetence, there was no railing at the end of said pier to stop people doing just this.  I can see the pier owners getting sued for not properly undertaking their "duty of care" to dumb phone users.....

BTW, did it say what happened to the phone??

zeeglen
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Stumble off a pier in Australia
zeeglen   12/19/2013 9:36:54 PM
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Just read a news item where a woman tourist in Australia was so busy texting she walked off the end of a pier and had to be rescued.  Guess she should have used an outdoor navigation app...

JCreasey
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Re: Yet another indoor navigation technology
JCreasey   12/17/2013 1:07:31 PM
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Of course in practical devices, the sensor fusion that occurs can include other reference points such as RF beacon sensing to reduce the drift when GPS is unavailable.

In the end I'd expect in the most successful devices the software will integrate all avalable data including GPS, RF, video and the onboard movement and orientation sensors.

R_Colin_Johnson
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Re: Yet another indoor navigation technology
R_Colin_Johnson   12/17/2013 12:40:45 PM
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Dead reckoning works anywhere, without beacons, say go get you to the indoor store at the mall, but once inside the story iBeacon could direct you to specific locations/shelf items.

chanj0
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Yet another indoor navigation technology
chanj0   12/17/2013 12:32:57 PM
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What's the accuarcy? Would it be a competitor of iBeacon indoor navigation? Or it is a complement.

zewde yeraswork
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Re: Indoor Navigation
zewde yeraswork   12/17/2013 11:33:30 AM
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It's all in the details. Carry-context awareness is key, especially to avoid the erroneous reading of a 90 degree tilt. It's also important that this technology appears in a wide array of devices. The more pervasive, the more inherent to the user experience, the more indispensable in the long run.

zewde yeraswork
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Re: Indoor Navigation
zewde yeraswork   12/17/2013 11:32:30 AM
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It's all in the details. Carry-context awareness is key, especially to avoid the erroneous reading of a 90 degree tilt. It's also important that this technology appears in a wide array of devices. The more pervasive, the more inherent to the user experience, the more indispensable in the long run.

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