Title:
通信ネットワークにおいて使用するためのノード、および、それを動作させるための方法
Document Type and Number:
Japanese Patent JP6633745
Kind Code:
B2
Abstract:
According to an aspect, there is provided a method of operating a first radio access node in a communication network, the method comprising determining (601) whether a first base key that is used to determine a first encryption key for encrypting communications between a communication device and the first radio access node can be used by a second radio access node for determining a second encryption key for encrypting communications between the communication device and the second radio access node; and if the first base key can be used by the second radio access node, sending (603) the first base key to the second radio access node during handover of the communication device from the first radio access node to the second radio access node.
Inventors:
Accen, Rasmus
Norman, Karl
Norman, Karl
Application Number:
JP2018517763A
Publication Date:
January 22, 2020
Filing Date:
September 20, 2016
Export Citation:
Assignee:
Telefon Acty Bora Get Erm Ericson (Pubble)
International Classes:
H04W12/04; H04W36/08
Domestic Patent References:
| JP2006319971A |
Foreign References:
| WO2010116621A1 |
Other References:
Samsung,Discussion on alternatives for Key Handling during Active mode mobility,3GPP TSG SA WG3 #49 S3-070800,3GPP,2007年10月 1日,p.1-4,URL,http://www.3gpp.org/ftp/tsg_sa/WG3_Security/TSGS3_49_Munich/Docs/S3-070800.zip
Attorney, Agent or Firm:
Yasunori Otsuka
Yasuhiro Otsuka
Shiro Takayanagi
Shuji Kimura
Osamu Shimoyama
Mioko Watanabe
Yasuhiro Otsuka
Shiro Takayanagi
Shuji Kimura
Osamu Shimoyama
Mioko Watanabe