Method, Apparatus And System For Multicast Communication In A Wireless Multi-Hop Network
First Claim
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1. A method for multicast communication in a network having plural nodes according to the ZigBee network specification, said method comprising:
- creating a multicast group that includes a subset of the plural nodes and excludes at least one non-member node in the plural nodes, said multicast group having a multicast address;
transmitting a multicast message including the multicast address; and
receiving the multicast message at each node in the multicast group.
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Abstract
A method for multicast communication in a network having plural nodes according to the ZigBee network specification includes creating a multicast group including a subset of the plural nodes and excluding at least one non-member node in the plural nodes. The multicast group has a multicast address. The method also includes transmitting multicast message including the multicast address and receiving the multicast message at each node in the multicast group.
56 Citations
64 Claims
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1. A method for multicast communication in a network having plural nodes according to the ZigBee network specification, said method comprising:
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creating a multicast group that includes a subset of the plural nodes and excludes at least one non-member node in the plural nodes, said multicast group having a multicast address; transmitting a multicast message including the multicast address; and receiving the multicast message at each node in the multicast group. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for multicast communication in a network having plural nodes, said method comprising:
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creating a multicast group that includes a subset of the plural nodes and excludes at least one non-member node in the plural nodes, said multicast group having a multicast address; sending a join request (JREQ) message from a joining node seeking to join the multicast group to a receiving node; sending a join reply (JREP) message from the receiving node to the joining node, the JREP message including a path cost to a node in the multicast group from the joining node; transmitting a multicast message including the multicast address; and receiving the multicast message at each node in the multicast group.
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17. A node apparatus in a network having plural nodes according to the ZigBee network specification, said node comprising:
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a multicast group creating section configured to create a multicast group that includes a subset of the plural nodes and excludes at least one non-member node in the plural nodes, said multicast group having a multicast address; and a multicast message transmitting section configured to transmit a multicast message to the multicast group including the multicast address. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 43)
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32. A node apparatus in a network having plural nodes, said apparatus comprising:
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a creating section configured to create a multicast group that includes a subset of the plural nodes and excludes at least one non-member node in the plural nodes, said multicast group having a multicast address; a join request (JREQ) message sending section configured to send a JREQ message to join the multicast group; a join reply (JREP) message sending section configured to send a JREP message including a path cost to a node in the multicast group; and a multicast message transmitting section configured to transmit a multicast message the multicast group including the multicast address. - View Dependent Claims (47)
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33. A communication system comprising:
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plural nodes according to the ZigBee network specification, each node comprising; a multicast group creating section configured to create a multicast group that includes a subset of the plural nodes and excludes at least one non-member node in the plural nodes, said multicast group having a multicast address; and a multicast message transmitting section configured to transmit a multicast message to the multicast group including the multicast address. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 44, 45, 46)
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48. A communication system having plural nodes, each node comprising:
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a creating section configured to create a multicast group that includes a subset of the plural nodes and excludes at least one non-member node in the plural nodes, said multicast group having a multicast address; a join request (JREQ) message sending section configured to send a JREQ message to join the multicast group; a join reply (JREP) message sending section configured to send a JREP message including a path cost to a node in the multicast group; and a multicast message transmitting section configured to transmit a multicast message the multicast group including the multicast address.
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49. A computer program product storing a program which when executed by a processor in a node in a communication network having plural nodes according to the ZigBee network specification causes the processor to perform:
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creating a multicast group that includes a subset of the plural nodes and excludes at least one non-member node in the plural nodes, said multicast group having a multicast address; transmitting a multicast message including the multicast address; and receiving the multicast message at each node in the multicast group. - View Dependent Claims (50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63)
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64. A computer program product storing a program which when executed by a processor in a node in a communication network having plural nodes causes the processor to perform:
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creating a multicast group that includes a subset of the plural nodes and excludes at least one non-member node in the plural nodes, said multicast group having a multicast address; sending a join request (JREQ) message from a joining node seeking to join the multicast group to a receiving node; sending a join reply (JREP) message from the receiving node to the joining node, the JREP message including a path cost to a node in the multicast group from the joining node; transmitting a multicast message including the multicast address; and receiving the multicast message at each node in the multicast group.
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Specification