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:
Feb. 18, 2020
Filed:
Apr. 27, 2015
Applicant:
Zte Corporation, Shenzhen, CN;
Inventors:
Assignee:
XI'AN ZHONGXING NEW SOFTWARE CO., LTD., Shaanxi, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/08 (2006.01); H04W 12/04 (2009.01);
U.S. Cl.
CPC ...
H04L 9/0891 (2013.01); H04L 63/0428 (2013.01); H04W 12/04 (2013.01);
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 (S); 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 (S). 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.