Techniques for improving VoNR-to-VoLTE fallback

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; initiati...

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Bibliographic Details
Main Authors Chaponniere, Lenaig Genevieve, Wang, Shanshan, Gholmieh, Aziz, Shi, Yongsheng, Anchan, Kirankumar Bhoja, Zhu, Xipeng, Chin, Tom, Agrawal, Mona, Zisimopoulos, Haris, Santhanam, Arvind Vardarajan
Format Patent
LanguageEnglish
Published 27.06.2023
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary: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.
Bibliography:Application Number: US202117489964