Method of handling signaling in congested core network

Patent metadata

Field	Value
Publication number	US-8977227-B2
Application number	US-201213558329-A
Country	US
Kind code	B2
Filing date	Jul 25, 2012
Priority date	Jul 26, 2011
Publication date	Mar 10, 2015
Grant date	Mar 10, 2015

Abstract

A method of handling signaling in a congested core network for a mobile device is disclosed. The method comprises initiating a first service request procedure for an emergency bearer service when a back-off timer is running on the mobile device; and not deactivating non-emergency Evolved Packet System (EPS) context locally and keeping the non-emergency EPS context during the first service request procedure for the emergency bearer service, wherein the non-emergency EPS context corresponds to user plane radio bearers which was not established, locally or with signaling.

First claim

What is claimed is:

1. A method of handling signaling in a congested core network for a mobile device, the method comprising:
initiating, by the mobile device, a request message to the network;
receiving, by the mobile device, a back-off timer and an EMM (EPS Mobility Management) cause value in a reject message due to the congested core network;
initiating, by the mobile device, a first service request procedure for an emergency bearer service when the back-off timer is runnin…

Assignees

• Tiwari Kundan
• Htc Corp

Inventors

• Tiwari Kundan

Classifications

• H04W4/90 Primary

  Electricity · mapped topic

• H04W76/50

  Electricity · mapped topic

• H04W76/007

  Electricity · mapped topic

• H04W4/22 Primary

  Electricity · mapped topic