Communications: directive radio wave systems and devices (e.g. – Determining distance
Reexamination Certificate
2008-07-15
2008-07-15
Tarcza, Thomas H. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Determining distance
C342S146000, C342S191000
Reexamination Certificate
active
10922749
ABSTRACT:
A local positioning system is proposed for wirelessly locating an object using existing features within a static environment, such as walls, as the references for determining the position of the system. An antenna16attached to the object transmits RF signals which are reflected by the surroundings. During a training mode, the reflected signals are used to train a neural network22, 43to map the position of the object to the characteristics of the reflected signals. During a working mode, the trained neural network is to identify the position of the object based on reflected signals in working mode. Optionally, the reflected signals may be subject to a clustering process before input to the neural network.
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Lu Wei
Ma Yugang
Okada Kanzo
Sun Xiaobing
Xu Jin
Barker Matthew M
Frommer William S.
Frommer & Lawrence & Haug LLP
Presson Thomas F.
Sony Corporation
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