Invention Grant
- Patent Title: Geo-locating end-user devices on a communication network
- Patent Title (中): 在通信网络上定位最终用户设备
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Application No.: US11483268Application Date: 2006-07-06
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Publication No.: US08428098B2Publication Date: 2013-04-23
- Inventor: Liren Chen , Jack Steenstra , Kirk S. Taylor , John W. Noerenberg, II
- Applicant: Liren Chen , Jack Steenstra , Kirk S. Taylor , John W. Noerenberg, II
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agent Liberty E. Mann
- Main IPC: H04B1/00
- IPC: H04B1/00

Abstract:
A scheme is provided for determining the geographical location of an active IP device coupled to an IP network. A network path to the user device is obtained to identify a last hop device having a known first geographical location. A last leg distance between the last hop device and the user device is calculated. The last leg bandwidth, propagation time, and propagation speed are also characterized to more accurately determine the last leg distance. By combining the known first geographical location and the distance of the last hop device and user device, a geographical location for the user device is obtained. To improve the accuracy of the geographical location of the user device, multiple last hop devices with known geographical locations are employed to obtain multiple geographical areas for the user device. The intersection or overlap of these geographical areas indicates a refined geographical location of the user device.
Public/Granted literature
- US20080010367A1 Geo-locating end-user devices on a communication network Public/Granted day:2008-01-10
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