Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2008-07-22
2008-07-22
Trost, William (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S456100, C455S456500, C342S450000
Reexamination Certificate
active
07403784
ABSTRACT:
Methods and apparatus are provided for estimating a location of a plurality of wireless terminals. Signal strength measurements are obtained for at least one packet transmitted by each of the wireless terminals; and a Bayesian algorithm is applied to the signal strength measurements to estimate the location of each wireless terminal. In an infrastructure-based deployment, signal strength measurements are obtained from one or more signal monitors. In a client-based model, signal strength measurements are obtained from a client associated with a respective wireless terminal.
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Ju Wen-Hua
Krishnakumar Anjur S.
Krishnan P.
Madigan David
Afshar Kamran
Avaya Technology Corp.
Ryan & Mason & Lewis, LLP
Trost William
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