TECHNIQUES FOR PRIORITIZING SELECTION OF A RADIO ACCESS TECHNOLOGY IN WIRELESS COMMUNICATIONS

Title:

TECHNIQUES FOR PRIORITIZING SELECTION OF A RADIO ACCESS TECHNOLOGY IN WIRELESS COMMUNICATIONS

Document Type and Number:

WIPO Patent Application WO/2021/223050

Kind Code:

A1

Abstract:

Aspects described herein relate to detecting a channel release from a circuit- switched (CS) call, and prioritizing, based on detecting the channel release, cell selection for a cell that supports fifth generation (5G) radio access technology communications over a cell that supports fourth generation (4G) radio access technology communications.

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Inventors:

ZHU YUANKUN (US)
WANG QI (US)
HUI CHAOFENG (US)
ZHANG FOJIAN (US)

Application Number:

PCT/CN2020/088570

Publication Date:

November 11, 2021

Filing Date:

May 04, 2020

Export Citation:

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Assignee:

QUALCOMM INC (US)
ZHU YUANKUN (CN)
WANG QI (CN)
HUI CHAOFENG (CN)
ZHANG FOJIAN (CN)

International Classes:

H04W24/04

Domestic Patent References:

WO2016197557A1	2016-12-15
WO2019072099A1	2019-04-18

Foreign References:

CN110234131A

2019-09-13

Other References:

ERICSSON: "Camping in NR", 3GPP DRAFT; R2-1800369 - CAMPING IN NR, vol. RAN WG2, 11 January 2018 (2018-01-11), Vancouver, Canada, pages 1 - 3, XP051385695
HUAWEI; HISILICON; CHINA UNICOM: "HO and redirection from NR to LTE due to EPS fallback", 3GPP DRAFT; R2-1913741, vol. RAN WG2, 4 October 2019 (2019-10-04), Chongqing, China, pages 1 - 19, XP051791733
OPPO; CATR; CHINA TELECOM; CHINA UNICOM: "Discussion for returning back to NR in case of handover for voice", 3GPP DRAFT; S2-176976 RETURNING BACK TO NR IN CASE OF HANDOVER FOR VOICE -DP, vol. SA WG2, 22 October 2017 (2017-10-22), Ljubljana, Slovenia, pages 1 - 3, XP051346932

Attorney, Agent or Firm:

NTD PATENT & TRADEMARK AGENCY LTD. (CN)

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