US 11,937,319 B2
Integrity protection handling at the gNB-CU-UP
Yuhua Chen, Tokyo (JP); Sadafuku Hayashi, Tokyo (JP); Hisashi Futaki, Tokyo (JP); Jagdeep Ahluwalia Singh, Tokyo (JP); Neeraj Gupta, Tokyo (JP); and Chadi Khirallah, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Appl. No. 17/252,057
Filed by NEC CORPORATION, Tokyo (JP)
PCT Filed Jun. 14, 2019, PCT No. PCT/JP2019/023672
§ 371(c)(1), (2) Date Dec. 14, 2020,
PCT Pub. No. WO2019/244793, PCT Pub. Date Dec. 26, 2019.
Claims priority of application No. 1810340 (GB), filed on Jun. 22, 2018.
Prior Publication US 2021/0306848 A1, Sep. 30, 2021
Int. Cl. H04B 1/00 (2006.01); H04W 76/18 (2018.01)
CPC H04W 76/18 (2018.02) 9 Claims
OG exemplary drawing
 
1. A method performed by a central unit for control plane (CU-CP) node of a distributed base station, the method comprising:
receiving, from a central unit for user plane (CU-UP) node, a bearer context setup failure message or a bearer context modification failure message including a cause value indicating that Packet Data Convergence Protocol (PDCP) configuration including information for Robust Header Compression (ROHC) is not supported.