Patents by Inventor Paul J. Nicholas

Paul J. Nicholas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9788213
    Abstract: The disclosure provides a computer-implemented system for establishing a wireless mesh network resistant to degradation induced by deliberate jamming or other electromagnetic interference emanating from point sources within an operating area. The computer-implemented system provides WMN AP locations that minimize disruptions to client coverage caused by jammers, subject to constraints on network service. The computer-implemented system considers jammers placed by an intelligent adversary and identifies the AP locations ? through quantification of an objective function of the general form Z(?,?)=Zcoverage(?,?)?w Zflow(?,?), where Zcoverage(?,?) reflects resulting coverage shortfall, Zflow(?,?) reflects traffic flow within the WMN, and w is a scalar reflecting the relative weight of the two terms. The final set of AP locations ? identifies the locations of APs to create a WMN that is the most robust to the worst possible jamming attack.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: October 10, 2017
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Paul J. Nicholas, David L. Alderson
  • Patent number: 8654672
    Abstract: A process for forming a wireless mesh network (WMN) in which client coverage is calculated using a point-to-point propagation loss model and optimal routing and power allocation is determined to quantify the value of network flow. In one embodiment, the process calculates loss based on access point locations, operating characteristics and terrain and environment information. In one embodiment, the network flow and coverage subproblem values are combined via a penalty function. The process creates WMN topologies that maximize client coverage area by choice of access point locations, subject to constraints on network flow and power allocation, number and technical capabilities of access points, background and environmental noise, and radio propagation over terrain.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: February 18, 2014
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Paul J. Nicholas, David L. Alderson, Jr.