Join process method for admitting a node to a wireless mesh...

Details Join process method for admitting a node to a wireless mesh... Join process method for admitting a node to a wireless mesh...

2005-02-01

2005-02-01

Duong, Frank (Department: 2666)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S334000, C370S338000, C370S349000, C370S400000

Reexamination Certificate

active

06850502

ABSTRACT:
A join process is disclosed for a wireless mesh topology network. In the network, nodes have multiple spatial coverage sub-sectors together covering a larger sector angle and a node can establish connection with other nodes located in directions covered by its sub-sectors. The join process adds a joining node to the network and includes having the joining node listen to sub-sectors at a specific receiving frequency for a defined time. Thereafter, the network node changes its sub sectors and its receiving frequencies according to a defined timing and sequence. Active network nodes transmit organized invitation data packets on defined sectors, frequencies and timing, based on relative location and relative angle orientation deduced from sub-sectors already in use for existing internal network communication. This reduces frequency interference in the network and reduces time required for the join process.

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J. Berger et al., copy of PCT Application as filed on Oct. 10, 2000 for PCT App. No. US00/27959, Titled “Spatially Switched Router For Wireless Data Packets”, 41 pages.

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