Title:
METHOD TO FAST RECOVER UE FROM PS CALL FAILURE IN 5G NSA
Document Type and Number:
WIPO Patent Application WO/2021/203228
Kind Code:
A1
Abstract:
Embodiments include systems and methods for enabling fast recovery by a user equipment (UE) from packet switched (PS) call failure in a fifth generation (5G) non-standalone (NSA) network. Various embodiments for recovering from PS call failure in a 5G NSA network may include determining whether a total number of Evolved Packet System (EPS) bearer deactivation requests received from a base station of a 5G NSA network during a time period exceeds a maximum counter value, and disabling 5G data calls on the UE in response to determining that the total number of EPS bearer deactivation requests received from the base station of the 5G NSA network during the time period exceeds the maximum counter value.
Inventors:
ZHANG FOJIAN (US)
LI JIAN (US)
HUI CHAOFENG (US)
ZHANG QUANLING (US)
ZHANG HAO (US)
LI JIAN (US)
HUI CHAOFENG (US)
ZHANG QUANLING (US)
ZHANG HAO (US)
Application Number:
PCT/CN2020/083443
Publication Date:
October 14, 2021
Filing Date:
April 07, 2020
Export Citation:
Assignee:
QUALCOMM INC (US)
ZHANG FOJIAN (CN)
LI JIAN (CN)
HUI CHAOFENG (CN)
ZHANG QUANLING (CN)
ZHANG HAO (CN)
ZHANG FOJIAN (CN)
LI JIAN (CN)
HUI CHAOFENG (CN)
ZHANG QUANLING (CN)
ZHANG HAO (CN)
International Classes:
H04W52/02
Domestic Patent References:
| WO2015070420A1 | 2015-05-21 |
Foreign References:
| CN110636593A | 2019-12-31 | |||
| CN104160762A | 2014-11-19 |
Other References:
CHINA TELECOM: "Service based Inter-RAT cell reselection", 3GPP DRAFT; R2-1712962-SERVICE BASED INTER-RAT CELL RESELECTION, vol. RAN WG2, 1 December 2017 (2017-12-01), Reno, USA, pages 1 - 2, XP051371076
See also references of EP 4133800A4
See also references of EP 4133800A4
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LTD. (CN)
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