Wireless LAN for reestablishing wireless links between hosts according to monitored desired and undesired signals
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United States of America Patent
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Aug 13, 2002
Grant Date -
N/A
app pub date -
Feb 13, 1998
filing date -
Feb 13, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In a wireless local area network, each subnetwork is formed by a base host and several mobile hosts. The base host broadcasts a control packet at periodic intervals and the mobile hosts monitor the broadcast packet and interfering signals from other subnetworks. If any of the mobile hosts does not receive the control packet for a predetermined period or detects the interfering signal, it makes a search and selects a new channel. The parent host also monitors interfering signals from other subnetworks. If it detects an interfering signal, it selects a noiseless new channel. The channel number of the new channel may be broadcast using a channel assignment signal to allow the mobile hosts to select the new channel. Alternatively, no channel assignment signal is broadcast. In this case, it is up to the mobile hosts to select the new channel.
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