A METHOD TO ACCELERATE UE RETURN 5G FROM 4G

Title:

A METHOD TO ACCELERATE UE RETURN 5G FROM 4G

Document Type and Number:

WIPO Patent Application WO/2021/237589

Kind Code:

A1

Abstract:

Wireless communication techniques that include techniques for an accelerated UE return to 5G (SA) network service from 4G network service are discussed. A UE may transmit an indication that a RSRP associated with a first base station is less than a threshold. The transmitted indication may be transmitted to the first base station. The UE may receive an indication of one or more second base stations that may be used by the UE for wireless communication. The received indication may be associated with the transmitted indication, and the received indication may be received from the first base station. The UE may trigger a registration procedure with at least one of the indicated one or more second base stations. Other aspects and features are also claimed and described.

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Inventors:

ZHANG FOJIAN (US)
ZHU YUANKUN (US)
HUI CHAOFENG (US)
LI JIAN (US)
ZHANG HAO (US)

Application Number:

PCT/CN2020/092987

Publication Date:

December 02, 2021

Filing Date:

May 28, 2020

Export Citation:

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Assignee:

QUALCOMM INC (US)
ZHANG FOJIAN (CN)
ZHU YUANKUN (CN)
HUI CHAOFENG (CN)
LI JIAN (CN)
ZHANG HAO (CN)

International Classes:

H04W36/36; H04W36/30

Domestic Patent References:

WO2019136827A1	2019-07-18
WO2019137409A1	2019-07-18

Foreign References:

CN110505709A	2019-11-26
CN109195191A	2019-01-11
US20200119977A1	2020-04-16

Other References:

ZTE, SANECHIPS: "Remaining details of RACH procedure", 3GPP DRAFT; R1-1717036, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Prague, Czech Republic; 20171009 - 20171013, 8 October 2017 (2017-10-08), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051340228

Attorney, Agent or Firm:

NTD PATENT & TRADEMARK AGENCY LTD. (CN)

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