System and method for determining relative positioning in AD-HOC networks
First Claim
1. A method for displaying node location information in an ad-hoc communications network, said network including a plurality of nodes being adapted to transmit and receive signals to and from other nodes in said network, the method comprising:
- distributing a plurality of nodes at a deployment area and calculating a position of at least one node of said plurality based on distance measurements calculated by certain nodes of said plurality, and controlling said certain nodes to communicate information pertaining to said position to a first node of said plurality;
controlling said first node of said plurality to calculate and to display, based on said position information, at least one of an absolute position of said at least one node, a relative position of said at least one node and a first path of movement of said at least one node; and
controlling said first node to calculate and display said first path, comprising a series of calculated positions based on at least one calculated position of said at least one node determined at an equal time interval over a time period wherein said at least one node travels from an origination position to a destination position.
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Accused Products
Abstract
A system and method for improving the ability of a portable voice and data wireless communications network to provide position information regarding mobile nodes located within a network. The system and method employs mobile access points, wireless routers, and mobile nodes, which each contain at least one transceiver, and are mounted or dispersed at a geographic location. Access points can be connected to mobile vehicles, or connected to a network management system, and wireless routers can be mounted to portable stands for easy deployment. Mobile nodes can be attached to equipment or personnel for tracking purposes, and each node includes technology which may determine an absolute node location containing latitude, longitude and altitude of a node, or a relative node location containing the distance and angle between nodes, or a combination of both absolute and relative location data.
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Citations
33 Claims
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1. A method for displaying node location information in an ad-hoc communications network, said network including a plurality of nodes being adapted to transmit and receive signals to and from other nodes in said network, the method comprising:
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distributing a plurality of nodes at a deployment area and calculating a position of at least one node of said plurality based on distance measurements calculated by certain nodes of said plurality, and controlling said certain nodes to communicate information pertaining to said position to a first node of said plurality; controlling said first node of said plurality to calculate and to display, based on said position information, at least one of an absolute position of said at least one node, a relative position of said at least one node and a first path of movement of said at least one node; and controlling said first node to calculate and display said first path, comprising a series of calculated positions based on at least one calculated position of said at least one node determined at an equal time interval over a time period wherein said at least one node travels from an origination position to a destination position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A system for displaying node location information in an ad-hoc communications network, said network including a plurality of nodes being adapted to transmit and receive signals to and from other nodes in said network, the system comprising:
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a plurality of nodes, adapted to deploy and to occupy a deployment area and in response, to calculate a position of at least one node of said plurality based on distance measurements calculated by certain nodes of said plurality, which communicate information pertaining to said position to a first node of said plurality; and said first node being adapted, based on said position information, to calculate and to display at least one of an absolute position of said at least one node, a relative position of said at least one node and a first path of movement of said at least one node, wherein; said first node is adapted to calculate and display said first path, comprising a series of calculated positions based on at least one calculated position of said at least one node determined at an equal time interval over a time period wherein said at least one node travels from an origination position to a destination position. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A system for displaying node location information in an ad-hoc communications network, said network including a plurality of nodes being adapted to transmit and receive signals to and from other nodes in said network, the system comprising:
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a plurality of nodes, adapted to deploy and to occupy a deployment area and in response, to calculate a position of at least one node of said plurality based on distance measurements calculated by certain nodes of said plurality, which communicate information pertaining to said position to a first node of said plurality; and said first node, being adapted, based on said position information, to calculate and to display at least one of an absolute position of said at least one node, a relative position of said at least one node and a first path of movement of said at least one node, wherein; at least one node of said plurality of nodes includes a variable gain transceiver adapted to operate at a first and second gain level, said second gain level greater than or equal to said first gain level.
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Specification