Apparatus and methods for managing access and update requests in a wireless network
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United States of America Patent
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Jul 16, 2013
Grant Date -
Dec 27, 2012
app pub date -
Aug 31, 2012
filing date -
Jul 3, 2008
priority date (Note) -
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Abstract
Methods and apparatus that enable a wireless network to detect and manage impending congestion events caused by a plurality of mobile devices attempting to access the network in a brief space of time. In one embodiment, the network comprises a 3g (UMTS) cellular network, and includes a congestion management and avoidance entity that preemptively triggers a collision mode upon detecting an impending congestion event. This mode advantageously reduces processing burden on the base station by causing the mobile devices (UEs) to halt current access attempts, and invoke a multiple access scheme (e.g., wait a random amount of time before attempting further access attempts). The comparatively early detection and avoidance of collisions reduces the mobile device's power consumption, while addressing congestion events early in the wireless communication process so as to maintain optimal network conditions.
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