METHOD OF SUPPORTING NODE PORTABILITY IN SENSOR NETWORK
First Claim
Patent Images
1. A method of supporting portable node portability in a sensor network, the method comprising:
- detecting portability from a old parent node to a new parent node;
receiving a new address from the new parent node through an active scanning; and
transmitting the new address to the old parent node.
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Abstract
Provided is a method of supporting node portability in a sensor network, wherein data transmission to a portable node can be guaranteed since even when the portable node is assigned with a different address by being associated with another network, the newly assigned address is transmitted to a parent node or a sink node that was previously associated with the portable node.
33 Citations
14 Claims
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1. A method of supporting portable node portability in a sensor network, the method comprising:
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detecting portability from a old parent node to a new parent node; receiving a new address from the new parent node through an active scanning; and transmitting the new address to the old parent node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of supporting portable node portability by a relay node in a sensor network, the method comprising:
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receiving a new address of the portable node from an old parent node of the portable node; notifying a change of an address of the portable node to a source node after receiving data set as an old address of the portable node from the source node; and routing the received data to the new address of the portable node. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification