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Jon J Hamkins

from La Crescenta, CA
Age ~56
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Also known as:
Jon W Hamkins, Jonathan Te Hamkins, Jonathan J Hamkins
Phone and address:
3407 Markridge Rd, Glendale, CA 91214
(818) 439-2592
Related to:
Clark HamkinsSriniva HamkinsKartik SrinivasanMyrna HamkinsMonica Hamkins, 89
Connected to:
Eric P Hamkins, 62Deidre D Hamlar, 65Nichole J Hamlen, 41Christina M Hamler, 71Jamaal M Hamler, 34Larry L Hamler, 76Laura Hamler, 41Lawrence J Hamler, 71Patrick B Hamler, 56Rayshawn D Hamler, 43

Jon Hamkins Phones & Addresses

  • 3407 Markridge Rd, La Crescenta, CA 91214 (818) 439-2592
  • Glendale, CA
  • 2426 Seneca St, Pasadena, CA 91107
  • Urbana, IL
  • Los Angeles, CA
  • 3407 Markridge Rd, La Crescenta, CA 91214

Work

Company: Nasa jet propulsion laboratory Feb 2001 Position: Technical supervisor, information processing group

Education

Degree: Doctorates, Doctor of Philosophy School / High School: University of Illinois at Urbana - Champaign 1993 to 1996 Specialities: Philosophy

Skills

Communications • Error Correcting Codes • Information Theory • Signal Processing • Systems Design • Vhdl • Space Systems • Aerospace • Algorithms • Engineering Management

Industries

Defense & Space

Resumes

Resumes

Jon Hamkins Photo 1

Technical Supervisor, Information Processing Group

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Location:
La Crescenta, CA
Industry:
Defense & Space
Work:
Nasa Jet Propulsion Laboratory
Technical Supervisor, Information Processing Group
Education:
University of Illinois at Urbana - Champaign 1993 - 1996
Doctorates, Doctor of Philosophy, Philosophy University of Illinois at Urbana - Champaign 1990 - 1993
Master of Science, Masters Caltech 1986 - 1990
Bachelors, Bachelor of Science
Skills:
Communications
Error Correcting Codes
Information Theory
Signal Processing
Systems Design
Vhdl
Space Systems
Aerospace
Algorithms
Engineering Management

Publications

Us Patents

Method Of Error Floor Mitigation In Low-Density Parity-Check Codes

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US Patent:
20120266040, Oct 18, 2012
Filed:
Apr 9, 2012
Appl. No.:
13/442755
Inventors:
Jon HAMKINS - Pasadena CA, US
International Classification:
H03M 13/05
G06F 11/10
US Classification:
714752, 714E11032
Abstract:
A digital communication decoding method for low-density parity-check coded messages. The decoding method decodes the low-density parity-check coded messages within a bipartite graph having check nodes and variable nodes. Messages from check nodes are partially hard limited, so that every message which would otherwise have a magnitude at or above a certain level is re-assigned to a maximum magnitude.

Self-Configurable Radio Receiver System And Method For Use With Signals Without Prior Knowledge Of Signal Defining Characteristics

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US Patent:
8358723, Jan 22, 2013
Filed:
Nov 10, 2006
Appl. No.:
11/602440
Inventors:
Jon Hamkins - La Crescenta CA, US
Marvin K. Simon - La Canada CA, US
Dariush Divsalar - Pacific Palisades CA, US
Samuel J. Dolinar - Sunland CA, US
Andre Tkacenko - Pasadena CA, US
Assignee:
The United States of America as Represented by the Administrator of the National Aeronautics and Space Administration - Washington DC
International Classification:
H04L 27/38
US Classification:
375341
Abstract:
A method, radio receiver, and system to autonomously receive and decode a plurality of signals having a variety of signal types without a priori knowledge of the defining characteristics of the signals is disclosed. The radio receiver is capable of receiving a signal of an unknown signal type and, by estimating one or more defining characteristics of the signal, determine the type of signal. The estimated defining characteristic(s) is/are utilized to enable the receiver to determine other defining characteristics. This in turn, enables the receiver, through multiple iterations, to make a maximum-likelihood (ML) estimate for each of the defining characteristics. After the type of signal is determined by its defining characteristics, the receiver selects an appropriate decoder from a plurality of decoders to decode the signal.

Isbn (Books And Publications)

Autonomous Software - Defined Radio Receivers for Deep Space Applications

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Author

Jon Hamkins

ISBN #

0470082127

Autonomous Software - Defined Radio Receivers for Deep Space Applications

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Author

Jon Hamkins

ISBN #

0470087803

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Jon J Hamkins from La Crescenta, CA, age ~56 Get Report