US 11,856,629 B2
Method and device for network access
Weiwei Wang, Beijing (CN); Lixiang Xu, Beijing (CN); Xiaowan Ke, Beijing (CN); and Hong Wang, Beijing (CN)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Feb. 16, 2022, as Appl. No. 17/673,393.
Application 17/673,393 is a continuation of application No. 16/652,227, granted, now 11,265,946, previously published as PCT/KR2018/011560, filed on Sep. 28, 2018.
Claims priority of application No. 201710898572.X (CN), filed on Sep. 28, 2017; application No. 201710905999.8 (CN), filed on Sep. 28, 2017; application No. 201710932365.1 (CN), filed on Oct. 9, 2017; application No. 201711120988.5 (CN), filed on Nov. 13, 2017; and application No. 201810029454.X (CN), filed on Jan. 11, 2018.
Prior Publication US 2022/0174770 A1, Jun. 2, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 76/18 (2018.01); H04W 76/11 (2018.01); H04W 76/19 (2018.01); H04W 76/27 (2018.01); H04W 80/02 (2009.01); H04W 88/08 (2009.01); H04W 92/12 (2009.01)
CPC H04W 76/18 (2018.02) [H04W 76/11 (2018.02); H04W 76/19 (2018.02); H04W 76/27 (2018.02); H04W 80/02 (2013.01); H04W 88/085 (2013.01); H04W 92/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method performed by a central unit (CU) node, the method comprising:
receiving, from a distributed unit (DU) node, a message including status information of a radio bearer, wherein the status information indicates one of radio link status including an uplink (UL) radio link outage, a downlink (DL) radio link outage, a UL radio link resume, and a DL radio link resume;
in case that the status information indicates the UL radio link outage, identifying that an UL transmission on the radio bearer is not available at the DU node;
in case that the status information indicates the DL radio link outage, identifying that a DL transmission on the radio bearer is not available at the DU node;
in case that the status information indicates the UL radio link resume, identifying that an UL transmission on the radio bearer is available at the DU node; and
in case that the status information indicates the DL radio link resume, identifying that a DL transmission on the radio bearer is available at the DU node.