Method and apparatus for determining the location of a node in a wireless system
First Claim
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1. A method for locating a node within a wireless communication system, the method comprising the steps of:
- determining a plurality of path loss values to a plurality of nodes;
determining a path loss model based on a node density and the path loss to the plurality of nodes;
determining distances to known located nodes based on the path loss model; and
locating the node based on distances to known located nodes.
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Abstract
A method and apparatus for determining the path loss model of an object within a wireless communication system is provided herein. During operation, a path loss model for a node is generated based on path loss values and corresponding numbers of neighbors of the said node. The path loss model is used to determine a relationship between path loss and distance. With this relationship established, distances to known-located nodes may be obtained by obtaining a path loss to the known-located node. From these distances, a node can then be located.
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Citations
15 Claims
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1. A method for locating a node within a wireless communication system, the method comprising the steps of:
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determining a plurality of path loss values to a plurality of nodes;
determining a path loss model based on a node density and the path loss to the plurality of nodes;
determining distances to known located nodes based on the path loss model; and
locating the node based on distances to known located nodes. - View Dependent Claims (2, 3, 4, 5, 10)
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6. A method comprising the steps of:
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determining a plurality of neighboring nodes;
determining number of neighboring nodes having a path loss less than a particular neighboring node;
determining a path loss model based on a node density and the number of nodes having the path loss less than the particular node;
determining distances to known-located nodes based on the path loss model; and
determining a location based on the distances to known-located nodes. - View Dependent Claims (7, 8, 9)
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11. An apparatus comprising:
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a receiver receiving signals from a plurality of nodes; and
logic circuitry analyzing the signals from the plurality of nodes to determine a number of nodes having a path loss less than a particular node, determine a path loss model based on a node density and a number of nodes having the path loss less than the particular node, determine distances to known-located nodes based on the path loss model, and determine a location based on the distances to known-located nodes. - View Dependent Claims (12, 13, 14, 15)
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Specification