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:
Jun. 10, 2014
Filed:
Aug. 20, 2009
Liaojun Pang, Shaanxi, CN;
Jun Cao, Shaanxi, CN;
Manxia Tie, Shaanxi, CN;
China IWNComm Co., Ltd, Xi'an, CN;
Abstract
A method for enhancing the security of the multicast or broadcast system comprises the following steps: after having established the system parameter, the base station receives the register request message transmitted by the terminal, and the register request message carries the device identity information of the terminal; the base station registers the terminal according to the register request message and transmits the authorization key to the terminal after successful registration. By the base station establishing the specific system parameter, generating and awarding the corresponding terminal's key based on the parameter, the embodiment of the present invention can construct a secure network system of multicast or broadcast effectively and solve the security problem of the multicast or broadcast from the base station to the terminal in the network system.