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:
Dec. 06, 2016
Filed:
Jun. 06, 2014
Applicant:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Inventors:
Zhongjian Zhang, Shenzhen, CN;
Min Zha, Shenzhen, CN;
Assignee:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 21/482 (2011.01); H04N 21/4385 (2011.01); H04L 29/06 (2006.01); H04N 21/643 (2011.01); H04L 12/18 (2006.01); H04N 21/6405 (2011.01); H04L 29/12 (2006.01);
U.S. Cl.
CPC ...
H04N 21/482 (2013.01); H04L 12/18 (2013.01); H04L 65/103 (2013.01); H04L 65/4076 (2013.01); H04N 21/4385 (2013.01); H04N 21/6405 (2013.01); H04N 21/64322 (2013.01); H04L 61/251 (2013.01);
Abstract
A method for obtaining a multicast address. A first request message is sent to the EPG device to obtain program guide information. The program guide information is returned by the EPG device. A multicast address matching a current user terminal is obtained according to the program guide information. A multicast request message is sent according to the multicast address.