The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 2026
Filed:
Jan. 30, 2024
Huawei Technologies Co., Ltd., Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
This application provides a key determining method, and a communication apparatus. The method is applied to a donor node central unit which contains a control plane entity and a user plane entity, and the method includes: deriving a first key based on a root key, an internet protocol (IP) address of a distributed unit of an integrated access and backhaul node, and a first IP address of the user plane entity; and sending a first message to the user plane entity, wherein the first message comprises the first key. According to this application, a user plane secure transmission channel may be established between the user plane entity and the distributed unit based on the first key.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile