Patent · US Active

Techniques for improving VoNR-to-VoLTE fallback

US11190993B2 · kind B2 · utility

0Cited by

0References

24Claims

0Family size

Assignee

QUALCOMM Incorporated · US

Inventors

Yongsheng Shi · San Diego, US
Xipeng Zhu · Beijing, CN
Haris Zisimopoulos · London, GB
Kirankumar Anchan · San Diego, US
Lenaig Genevieve Chaponniere · Village of La Jolla, US
Shanshan Wang · San Diego, US
Arvind Vardarajan Santhanam · San Diego, US
Mona Agrawal · San Diego, US
Aziz Gholmieh · San Diego, US
Tom Chin · San Diego, US

Key dates

Filing date	Oct 7, 2019
Grant date	Nov 30, 2021
Priority date	—
Expiry date	Dec 9, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH04W36/36
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Certain aspects of the present disclosure relate to methods and apparatus for improving voice over new radio (VoNR)-to-voice over long term evolution (VoLTE). An example method generally includes communicating with and camping on a next generation node B (gNB) in a 5G new radio (NR) system; initiating a voice call with the gNB; receiving a 5G NR-to-long term evolution (LTE) handover command in response to initiating the voice call; performing a handover procedure in response to the handover command; detecting a failure in the handover procedure; and taking one or more actions in response to detecting the failure in the handover procedure.

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