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:
Apr. 29, 2014
Filed:
Mar. 09, 2011
Applicants:
Alf Zugenmaier, Munich, DE;
Guido Dietl, Munich, DE;
Inventors:
Alf Zugenmaier, Munich, DE;
Guido Dietl, Munich, DE;
Assignee:
NTT DoCoMo, Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a wireless communication system where the data transmission is optimized with respect to the channel state information fed back by the users, a service degradation attack can be made by feeding back faked channel state information. A method for preventing a service degradation attack on a first wireless communication device by a second wireless communication device in a wireless communication system, said method comprising: verifying by a base station whether the channel state information sent to the base station by the second wireless communication device corresponds to its real channel.