Patent · US Active

Emergency call optimization during tracking area update

US9143914B2 · kind B2 · utility

0Cited by

0References

34Claims

0Family size

Assignee

QUALCOMM Incorporated · US

Inventors

Nagaraja Kumar Maganti · Hyderabad, IN
Bera Asimava · Hyderabad, IN

Key dates

Filing date	Mar 15, 2013
Grant date	Sep 22, 2015
Priority date	—
Expiry date	May 14, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04W60/00
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Systems and methods for handling requests for emergency calls are disclosed. In particular, the emergency calls may be expedited when a tracking area update is in progress. An extended service request is transmitted by a user equipment while performing a tracking area update, the request relating to an emergency call. A circuit-switched fallback procedure may be performed before completion of the TAU.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.