Link strength predictions based on spatiotemporal...

Details Link strength predictions based on spatiotemporal... Link strength predictions based on spatiotemporal...

2005-03-29

2005-03-29

Wachsman, Hal (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Remote supervisory monitoring

C702S183000, C455S067110

Reexamination Certificate

active

06873937

ABSTRACT:
A memory maintains a first history of link strengths between a first and a second wireless node and a second history of link strengths between a third and a fourth wireless node. A link strength monitor observes link strengths between the nodes. A spatiotemporal correlator is coupled to the memory and the link strength monitor, and performs a spatiotemporal correlation between the first history and the second history, if a change in the link strength between the first and second wireless nodes is observed. A link strength predictor is coupled to the spatiotemporal correlator and the link strength monitor, and uses a result of the spatiotemporal correlation to predict future changes of the link strength between the first and second wireless nodes from observations of the link strength between the third and fourth wireless nodes, if the result of the spatiotemporal correlation is positive and significant.

REFERENCES:
patent: 5465398 (1995-11-01), Flammer
patent: 5831874 (1998-11-01), Boone et al.
patent: 5946631 (1999-08-01), Melnik
patent: 6240291 (2001-05-01), Narasimhan et al.
P. Karttunen et al., Measurement Analysis of Spatial and Temporal Correlation in Wideband Radio Channels with Adaptive Antenna Array, Oct. 1998, Helsinki University of Technology, Finland.

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