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Hamid R Shafiee

from Irvine, CA
Age ~61
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Also known as:
Hamid Reza Shafiee
Phone and address:
19 Sarena, Irvine, CA 92612
Connected to:
Maryam Shafiee, 43Mina M Shafiee, 33Alireza T Shafiei, 46Fariba Shafiei, 65Mohsen F Shafiei, 82Nader Shafiei, 60Arash Shafihie, 40Alexis E Shafii, 48Dalia F Shafik, 52David S Shafik, 40

Hamid Shafiee Phones & Addresses

  • 19 Sarena, Irvine, CA 92612
  • Los Angeles, CA
  • Burbank, CA
  • Bloomington, MN
  • Plano, TX
  • Orange, CA

Work

Company: Tensorcom 2011 Position: Lead principal systems engineer

Education

School / High School: American University in Dubai- Dubai 2011 Specialities: MBA in Business Administration

Languages

English

Industries

Semiconductors

Resumes

Resumes

Hamid Shafiee Photo 1

Senior Technical Staff

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Location:
19 Sarena, Irvine, CA 92612
Industry:
Semiconductors
Work:
Microchip Technology
Senior Technical Staff
Tensorcom 2011 - 2014
Lead Principal Systems Engineer
American University In Dubai 2004 - 2011
Chair and Associate Professor of Electrical Engineering
Valence Semiconductor 2000 - 2003
Director, Communication Systems Engineering
Seagate Technology 1996 - 2000
Senior Engineer
Education:
University of Minnesota
Doctorates, Doctor of Philosophy, Electrical Engineering American University In Dubai
Master of Business Administration, Masters Iowa State University
Master of Science, Masters, Bachelors, Bachelor of Science, Electrical Engineering
Languages:
English
Hamid Shafiee Photo 2

Hamid Shafiee Irvine, CA

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Work:
Tensorcom

2011 to 2000
Lead Principal Systems Engineer
American University
Dubai
2004 to 2011
Associate Prof. of Electrical Engineering
Valence Semiconductor
Irvine, CA
2000 to 2003
Director
Seagate Technology
Minneapolis, MN
1996 to 2000
Senior Engineer / Consultant
Texas Instruments
Dallas, TX
1994 to 1996
Systems Architect
Education:
American University in Dubai
Dubai
2011
MBA in Business Administration
University of Minnesota
Minneapolis, MN
1994
Ph.D. in Electrical Engineering
Iowa State University
Ames, IA
1990
B.S. in Electrical Engineering

Publications

Us Patents

Full And Half-Rate Signal Space Detection For Channels With A Time-Varying Mtr

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US Patent:
6404573, Jun 11, 2002
Filed:
Sep 9, 1998
Appl. No.:
09/150259
Inventors:
Bernardo Rub - Edina MN
Hamid R. Shafiee - Bloomington MN
Assignee:
Seagate Technology LLC - Scotts Valley CA
International Classification:
G11B 509
US Classification:
360 46, 360 40, 360 48, 360 53, 341 59, 114792
Abstract:
A detector is provided to detect data values within a data signal that is sampled to provide temporally separated data samples. A first detector portion is configured to determine the location of a first sample vector in a first signal space. A second detector portion is configured to determine the location of a second sample vector in a second signal space. The second detector portion determines the location by using a logic statement to combine a plurality of location indicators. Each location indicator provides the location of the second sample vector relative to a respective boundary surface. The form of the logic statement is independent of the values of the location indicators. In addition, each location indicator is independent of all other location indicators.

Method And Apparatus For Detection In Digital Magnetic Recording

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US Patent:
60611936, May 9, 2000
Filed:
Aug 29, 1997
Appl. No.:
8/921138
Inventors:
Bernardo Rub - Edina MN
Hamid R. Shafiee - Bloomington MN
Robert E. Kost - Minneapolis MN
Assignee:
Seagate Technology, Inc. - Shakopee MN
International Classification:
G11B 509
G11B 5035
US Classification:
360 46
Abstract:
A detector in an informational handling system and a method of detection is provided. An input circuit is used to receive an input signal. A second circuit determines boundaries based on the input signal. However, at least two of the boundaries specified by the second circuit are monotonically related to each other. The detector can be implemented in a magnetic disc drive. A read circuit is operably coupled to the disc to read data stored on the disc. The read circuit includes an input circuit, a boundary calculation circuit, and a logic circuit operably coupled to one another. The input circuit serves to receive the data and provide an input to the boundary calculation circuit. The boundary calculation circuit calculates several boundaries based on the input. At least two of the boundaries are monotonically related. The boundary circuit provides an output to the logic circuit which provides a binary decision.

Signal Space Detector For Channels Utilizing A Code Having Time Varying Constraints

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US Patent:
59365587, Aug 10, 1999
Filed:
May 13, 1998
Appl. No.:
9/076961
Inventors:
Hamid R. Shafiee - Bloomington MN
Bernardo Rub - Edina MN
Assignee:
Seagate Technology, Inc. - Scotts Valley CA
International Classification:
H03M 1312
US Classification:
341 59
Abstract:
Data is detected from a disc in a disc drive and provided as a sampled read signal including data samples provided in a plurality of time intervals. A signal space detector is configured to detect the data, wherein the data is encoded according to a code having a time varying maximum transition run constraint which varies between a first and a second constraint over a plurality of time intervals. The detector is configured to receive an input sample including a first plurality of terms indicative of one of a plurality of possible data symbols. One of the plurality of possible data symbols is eliminated based on the first constraint when the input sample then being detected is constrained by the first constraint, to provide a second plurality of remaining possible data symbols. An estimated data value is determined which corresponds to the input sample then being detected, by determining which of the second plurality of remaining possible data symbols is within a predetermined range of the input symbol.

Static Viterbi Detector For Channels Utilizing A Code Having Time Varying Constraints

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US Patent:
6212661, Apr 3, 2001
Filed:
Aug 10, 1998
Appl. No.:
9/131584
Inventors:
Bernardo Rub - Edina MN
Hamid R. Shafiee - Bloomington MN
Assignee:
Seagate Technology, Inc. - Scotts Valley CA
International Classification:
H03M 1341
G11B 2018
US Classification:
714769
Abstract:
A detector is used in detecting data encoded in a read signal received from a storage channel. The detector includes a Viterbi detector having a time-invariant structure configured to detect the data encoded according to a code having time varying constraints.

Method And Apparatus For Detecting Data In Magnetic Recording Using Decision Feedback

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US Patent:
6201840, Mar 13, 2001
Filed:
Sep 10, 1998
Appl. No.:
9/150843
Inventors:
Bernardo Rub - Edina MN
Hamid R. Shafiee - Bloomington MN
Assignee:
Seagate Technology, Inc. - Scotts Valley CA
International Classification:
H03D 100
US Classification:
375341
Abstract:
The present invention provides a method and apparatus for detecting data received from a magnetic storage channel having a channel pulse response represented by a polynomial including intersymbol interference (ISI) terms. The detector includes a Viterbi detector corresponding to a trellis structure having states connected by branches having associated branch metrics. In one embodiment, the Viterbi detector includes a branch metric calculator component configured to calculate a branch metric associated with each of the plurality of branches by removing a contribution to the branch metric associated with a predetermined ISI term.
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Hamid R Shafiee from Irvine, CA, age ~61 Get Report