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Title: Position estimation of transceivers in communication networks

Patent ·
OSTI ID:936716

This invention provides a system and method using wireless communication interfaces coupled with statistical processing of time-of-flight data to locate by position estimation unknown wireless receivers. Such an invention can be applied in sensor network applications, such as environmental monitoring of water in the soil or chemicals in the air where the position of the network nodes is deemed critical. Moreover, the present invention can be arranged to operate in areas where a Global Positioning System (GPS) is not available, such as inside buildings, caves, and tunnels.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
W-7405-ENG-48
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
7,383,053
Application Number:
10/834,706
OSTI ID:
936716
Country of Publication:
United States
Language:
English

References (3)

Closed-form least-squares source location estimation from range-difference measurements journal December 1987
Ranging in a dense multipath environment using an UWB radio link journal December 2002
statistical approach to non-line-of-sight BS identification conference January 2002

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