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.

Date of Patent:
Oct. 07, 2014

Filed:

Jul. 23, 2012
Applicants:

Yosuke Takahashi, Yokohama, JP;

Shiro Mazawa, Yokohama, JP;

Akihiko Yoshida, Yokohama, JP;

Daigo Takayanagi, Yokohama, JP;

Inventors:

Yosuke Takahashi, Yokohama, JP;

Shiro Mazawa, Yokohama, JP;

Akihiko Yoshida, Yokohama, JP;

Daigo Takayanagi, Yokohama, JP;

Assignee:

Hitachi, Ltd, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 3/12 (2006.01); H04W 56/00 (2009.01); H04L 12/18 (2006.01); H04W 92/12 (2009.01);
U.S. Cl.
CPC ...
H04L 12/1881 (2013.01); H04W 56/001 (2013.01); H04L 12/189 (2013.01); H04W 92/12 (2013.01);
Abstract

A method for, in a radio communication system having at least a content server, plurality of base stations, and plurality of radio terminals, enabling two or more base stations among the plurality of base stations to broadcast or multicast data delivered from the content server to the radio terminals, the method includes: providing a Broadcast Multicast Service (BCMCS) Serving Node between the content server and two or more base stations; the BCMCS Serving Node includes a period number and sequence number into data delivered from the content server and transmits data including the period number and sequence number to the two or more base stations; in case that a synchronization is deviated or data is lost during data delivery from the base stations to the radio terminals, the base stations perform re-synchronization on a basis of the period number and sequence number included in data received from the BCMCS Serving Node.


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