08514816 is referenced by 2 patents and cites 75 patents.

Among other disclosed subject matter, a method includes obtaining, in a mobile device, power information indicating a detected power of respective signals received from multiple transmitters. The method includes determining a location of the mobile device using a formula that uses: locations of the multiple transmitters, a first function of the power information and a second function of respective locations of the multiple transmitters. The method can include recording the determined location.

Title
Location determination using formula
Application Number
13/539206
Publication Number
8514816 (B2)
Application Date
June 29, 2012
Publication Date
August 20, 2013
Inventor
Patrick Block Carlisle
Portland
OR, US
Richard Eugene Crandall
Portland
OR, US
Rudolph van der Merwe
Portland
OR, US
Daryl Mun Kid Low
Cupertino
CA, US
Ronald Keryuan Huang
Milpitas
CA, US
Jeffrey Alan Bush
San Jose
CA, US
Agent
Fish & Richardson P C
Assignee
Apple
CA, US
IPC
H04W 4/00
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