Patent ID: 6873937
Filing Date: 2005-03-29
Classification: H04B,H04W

Abstract:
1. A device for predicting wireless link strength, comprising: a memory to maintain a first history of link strengths between a first wireless node and a second wireless node and a second history of link strengths between a third wireless node and a fourth wireless node; a link strength monitor to observe a link strength between the first wireless node and the second wireless node and between the third wireless node and the fourth wireless node; a spatiotemporal correlator coupled to the memory and the link strength monitor, the spatiotemporal correlator to perform a spatiotemporal correlation between the first history and the second history, if a change in the link strength between the first wireless node and the second wireless node is observed; and, a link strength predictor coupled to the spatiotemporal correlator and the link strength monitor, the link strength predictor to use a result of the spatiotemporal correlation to predict future changes of the link strength between the first wireless node and the second wireless node from observations of the link strength between the third wireless node and the fourth wireless node, if the result of the spatiotemporal correlation is positive and significant.