Is a
Patent attributes
Patent Applicant
Patent Jurisdiction
Patent Number
Date of Patent
February 18, 2020
Patent Application Number
15526805
Date Filed
April 27, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed are a key updating method and device, and a master Transmission Point (TP). The method includes: receiving a key parameter for generating a data encryption key of a TP in a virtual cell (S102); and generating the data encryption key of the TP in the virtual cell according to the key parameter and a cell Identity (ID) of the virtual cell (S104). By means of the key updating method and device and the master TP, the problem about key updating of different TPs in a virtual cell is solved.
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