Adaptive channel selection by wireless nodes for improved...

Details Adaptive channel selection by wireless nodes for improved... Adaptive channel selection by wireless nodes for improved...

2008-10-17

2011-12-27

Kizou, Hassan (Department: 2472)

Multiplex communications

Channel assignment techniques

C370S310000, C370S343000, C370S344000, C370S437000

Reexamination Certificate

active

08085805

ABSTRACT:
Improved message range in a wireless network is achieved by each node performing an energy
oise scan to determine a receiving channel having the lowest noise and/or interference, e.g., best reception conditions, relative to the other channels available in the wireless network. Each node may thereafter scan available channels periodically to adjust its optimal receiving channel if the noise/interference environment changes on its present receiving channel, e.g., noise/interference on another channel is less then the noise on the present receiving channel. When a receiving channel is changed by a node, the wireless node may broadcast this information to notify its neighbor nodes of the change in its receiving channel.

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International PCT Search Report and Written Opinion, PCT/US2009/060790, 14 pages, Mailed Feb. 23, 2010.

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