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. 19, 2014
Filed:
Jan. 30, 2012
Saurabh Bagchi, West Lafayette, IN (US);
Ness B. Shroff, West Dublin, OH (US);
Issa M. I. Khalil, Al Ain, AE;
Rajesh K. Panta, West Lafayette, IN (US);
Mark D. Krasniewski, Austin, TX (US);
James V. Krogmeier, West Lafayette, IN (US);
Saurabh Bagchi, West Lafayette, IN (US);
Ness B. Shroff, West Dublin, OH (US);
Issa M. I. Khalil, Al Ain, AE;
Rajesh K. Panta, West Lafayette, IN (US);
Mark D. Krasniewski, Austin, TX (US);
James V. Krogmeier, West Lafayette, IN (US);
Purdue Research Foundation, West Lafayette, IN (US);
Abstract
A protocol for optimizing the energy for code upload to sensors in a wireless sensor network and speeding up the dissemination if multiple sources of code are available. Energy optimization is achieved by equipping each node with limited non-local topology information, which it uses to determine the time when it can sleep since code is not being distributed in its vicinity. Another aspect of the invention is a protocol that facilitates secure upload of code in the wireless sensor network. The secure communication protocol divides the sensor field into control groups each with a control node, and manages data exchange between nodes within a control group through the mediation of a control head which provides the common key. The keys are refreshed periodically and the control nodes are changed periodically to enhance security. The protocol facilitates secure communication between sensor nodes despite the compromise of other nodes in the network.