Redundant radio frequency network having a roaming terminal communication protocol
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United States of America Patent
Stats
-
Mar 29, 2011
Grant Date -
Nov 20, 2008
app pub date -
May 15, 2008
filing date -
Nov 12, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed herein is a redundant network and communication protocol at least including host computers, RF base stations, and roaming terminals. The network may utilize a polling communication protocol such that under heavy traffic conditions, a roaming terminal wishing to initiate communication may be required to wait for at least a predetermined period and determine whether the channel is available for communication. When a hidden terminal is communicating, the roaming terminal may conclude that the communication is taking place upon receiving a polling frame directed to the hidden terminal from the normally silent base station. Inherent redundancy techniques may be used with a spanning tree approach for determining the most efficient pathways from a source to a destination and ensuring that the network adapts to spatial changes or breakdowns within the network.
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