SMALL DATA TRANSMISSION WITHOUT PATH SWITCH PROCEDURE

WIPO Patent Application WO/2020/189958

A1

A method and apparatus for small data transmission without a path switch procedure in a wireless communication system is provided. A new gNB, which is a radio access network (RAN) node to which a wireless device attempts a connection resume procedure while in an inactive state, receives an anchor kept indication and/or a small data indication from a last serving gNB. THe anchor kept indication indicates that the last serving gNB keeps a user equipment (UE) context and/or a UE-associated NG connection with the core network. The small data indication indicates not relocating a UE context from the last serving gNB to the new gNB.

KIM SEOKJUNG (KR)
XU JIAN (KR)
BYUN DAEWOOK (KR)

PCT/KR2020/003453

September 24, 2020

March 12, 2020

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LG ELECTRONICS INC (KR)

H04W76/27; H04W76/22

WO2018086600A1

2018-05-17

KR20170134446A	2017-12-06
KR20180093992A	2018-08-22

ANONYMOUS: "3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NG-RAN; Architecture description (Release 15)", 3GPP STANDARD; TECHNICAL SPECIFICATION; 3GPP TS 38.401, no. V15.2.0, 30 June 2018 (2018-06-30), pages 1 - 39, XP051473512
ANONYMOUS: "3 Generation Partnership Project; Technical Specification Group Radio Access Network; NG-RAN; Xn application protocol (XnAP) (Release 15)", 3GPP STANDARD; TECHNICAL SPECIFICATION; 3GPP TS 38.423, no. V15.1.0, 30 September 2018 (2018-09-30), pages 1 - 263, XP051487340

ENVISION PATENT & LAW FIRM (KR)

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