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:
Aug. 18, 2015
Filed:
Sep. 09, 2009
Masato Shindo, Minato-ku, JP;
Sadafuku Hayashi, Minato-ku, JP;
Masato Shindo, Minato-ku, JP;
Sadafuku Hayashi, Minato-ku, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A mobile communication system of the present invention is a mobile communication system including a mobile station, base stations each of which forms a cell and transmits MBMS data to the mobile station existing in the cell, control stations each of which controls a base station connected thereto, and further including a core network node that instructs each of the control stations connected thereto with respect to the frequency and timing for transmitting MBMS data in the cell, wherein each of the control stations establishes time synchronization with another control station and instructs the connected base station to set the cell to the frequency designated by the core network node and transmits, to the connected base station, the MBMS data in accordance with the transmission timing designated by the core network node and the mobile station then receives the MBMS data.