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Method and apparatus for maintaining reachability of a user equipment in idle state

  • US 10,154,458 B2
  • Filed: 03/31/2014
  • Issued: 12/11/2018
  • Est. Priority Date: 09/04/2013
  • Status: Active Grant
First Claim
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1. A method for maintaining reachability at a user equipment (UE), comprising:

  • detecting a change in a radio connection between the UE and a peer entity, wherein the change in the radio connection is associated with the UE entering an idle state;

    notifying, by a modern processor, an application of the UE that the UE is to enter the idle state in response to detecting the change in the radio connection between the UE and the peer entity;

    communicating, from the application of the UE to an application of the peer entity and via the modem processor, in response to the change in the radio connection being detected, an indication that the UE is to enter the idle state and that the UE is reachable for a specified duration of time while in the idle state, wherein the communicating comprises communicating to the peer entity an indication that the peer entity is not to attempt to reach the UE during the specified duration of time; and

    entering the idle state after communicating the indication to the peer entity.

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