METHOD FOR REVERSE LINK CONGESTION OVERLOAD CONTROL IN WIRELESS HIGH SPEED DATA APPLICATIONS

METHOD FOR REVERSE LINK CONGESTION OVERLOAD CONTROL IN WIRELESS HIGH SPEED DATA APPLICATIONS

The number of Reverse Activity Bits (RABs) equal to "1" per frame is a Congestion Overload (CO) metric used to determine whether the reverse link in a wireless communications system is in a congestion overload state due to a reverse link RF overload. When the value of the CO metric exceeds...

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Hauptverfasser: ZOU, JIALIN, ZHU, LILY H, YANG, YANG
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Sprache:eng ; fre ; ger
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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creator ZOU, JIALIN
ZHU, LILY H
YANG, YANG
description The number of Reverse Activity Bits (RABs) equal to "1" per frame is a Congestion Overload (CO) metric used to determine whether the reverse link in a wireless communications system is in a congestion overload state due to a reverse link RF overload. When the value of the CO metric exceeds a first predetermined threshold that is indicative of a congestion overload condition, the system enters a block state where all new connection requests are blocked. Once in the block state, if the value of the CO metric does not decrease but continues to increase and exceeds a second higher threshold, the system enters a mute state. In the mute state a predetermined large percentage of existing active calls are muted. Specifically, a message is sent downlink to specific ATs instructing them to reduce their transmission rates to zero but to still maintain their active connections.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
title METHOD FOR REVERSE LINK CONGESTION OVERLOAD CONTROL IN WIRELESS HIGH SPEED DATA APPLICATIONS
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