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:
Jul. 03, 2012
Filed:
Sep. 18, 2007
Matthieu Ratislav Bloch, Prevessin-Moens, FR;
Miguel Raul Dias Rodrigues, Vila Nova de Gaia, PT;
Joao Francisco Cordeiro DE Oliveira Barros, Oporto, PT;
Steven William Mclaughlin, Decatur, GA (US);
Matthieu Ratislav Bloch, Prevessin-Moens, FR;
Miguel Raul Dias Rodrigues, Vila Nova de Gaia, PT;
Joao Francisco Cordeiro de Oliveira Barros, Oporto, PT;
Steven William McLaughlin, Decatur, GA (US);
Georgia Tech Research Corporation, Atlanta, GA (US);
Cambridge Enterprise Limited, Cambridge, GB;
Universidade Do Porto, Oporto, PT;
Abstract
Systems and methods of providing opportunistic security for physical communication channels are disclosed. One disclosed method is for opportunistic secure communication on a main channel between a sender device and a receiver device when an eavesdropper device is listening on an eavesdropper channel. This example method includes transmitting, in a first time period in which signal quality on the main channel is better than signal quality on the eavesdropper channel, symbols that are randomly selected from a set of symbols. The method also includes transmitting, in a second time period in which signal quality on the main channel is not better than signal quality on the eavesdropper channel, coding information associated with the randomly selected symbols. The method also includes reconciling the randomly selected symbols using the coding information.