Multiplex communications – Wide area network – Packet switching
Patent
1994-06-24
1996-05-07
Marcelo, Melvin
Multiplex communications
Wide area network
Packet switching
370 76, 375285, H04J 114
Patent
active
055153690
ABSTRACT:
In a wireless packet communication system having a plurality of nodes, each having a transmitter and a receiver, the receiver at each node is assigned a seed value and is provided with a channel punchout mask. A node uses its seed value and punchout mask to generate a specific randomly ordered channel hopping band plan on which to receive signals. A node transmits its seed value and punchout mask to target nodes with which it wants to establish communication links, and those target nodes each use the seed value and punchout mask to generate the randomly ordered channel hopping band plan for that node. Subsequently, when one of the target nodes wish to transmit to the node, the target node changes frequency to the frequency of the node according to that node's band plan.
REFERENCES:
patent: 4554668 (1985-11-01), Deman et al.
patent: 5007052 (1991-04-01), Flammer
patent: 5079768 (1992-01-01), Flammer
patent: 5115433 (1992-05-01), Baran et al.
patent: 5361401 (1994-01-01), Pirillo
Flammer, III George H.
Galloway Brett D.
Paulsen David L.
Allen Kenneth R.
LeBlanc Stephen J.
Marcelo Melvin
Metricom, Inc.
Vu Huy D.
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