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Method and apparatus for enhancements for de-prioritization by RRC connection reject in LTE

A prioritization and prioritization technology, applied in connection management, access restriction, wireless communication, etc.

Active Publication Date: 2015-04-15
BLACKBERRY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Furthermore, network conditions may change rapidly, and deprioritization may not be necessary for the previously signaled duration

Method used

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  • Method and apparatus for enhancements for de-prioritization by RRC connection reject in LTE
  • Method and apparatus for enhancements for de-prioritization by RRC connection reject in LTE
  • Method and apparatus for enhancements for de-prioritization by RRC connection reject in LTE

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Embodiment Construction

[0016] The present disclosure provides a method at a user equipment comprising: storing a de-prioritization request; and removing or suspending the de-prioritization at the user equipment when a public land mobile network is selected at the user equipment ask.

[0017] The present disclosure also provides a user equipment, comprising: a processor; a memory; and a communication subsystem, wherein the user equipment is configured to: store a de-prioritization request; The de-prioritization request is removed or suspended at the user equipment when the public land mobile network.

[0018] The present disclosure also provides a method at a user equipment, comprising: receiving a de-prioritization request; and transitioning to a camped on Any Cell state at the user equipment.

[0019] The present disclosure also provides a user equipment, comprising: a processor; and a communication subsystem, wherein the user equipment is configured to: receive a de-prioritization request; and tr...

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Abstract

A method and apparatus for enhancements for de-prioritization by RRC connection reject, where the enhancements relate, in one aspect, to faster cell reselection to prevent possible service outages. In a further aspect the enhancements relate to release, suspension or resumption of de-prioritization upon PLMN selection. In a further aspect, the enhancements relate to conflict handling with a CSG cell priority. In a further aspect, the enhancements relate to connected mode UE handling. In a further aspect, the enhancements relate to cancellation of a de-prioritization request.

Description

technical field [0001] The present disclosure relates to mobile network frequency or radio access technology selection, and in particular to frequency or radio access technology (RAT) de-prioritization. Background technique [0002] In a mobile network, a network node may send a de-prioritization request for the current frequency or radio access technology to a user equipment (UE). Such requests may be made to alleviate network congestion or to provide overload control. [0003] However, while a de-prioritization request may temporarily designate the current frequency or RAT as low priority at the UE, there may still be a long time before the UE reselects to a higher priority tier even after de-prioritization. [0004] Furthermore, even after a public land mobile network (PLMN) change, a de-prioritized frequency or RAT may still be de-prioritized, even if the frequency is reused in the new PLMN. [0005] Additionally, if a Closed Subscriber Group (CSG) cell is utilizing th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/16H04W48/18H04L47/76
CPCH04L47/76H04W48/18H04W36/22H04W48/06H04W76/19
Inventor 艾曼·艾哈迈德·穆罕默德·阿布德-萨马达迪内希·库马·阿罗拉穆罕默德·贾拉勒·丁·易卜拉欣铃木卓
Owner BLACKBERRY LTD