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Gregory M Agami

from Arlington Heights, IL
Age ~52
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Also known as:
Gregory S Agami, Gregory C Agami, Greg M Agami, Greg S Agami, Gregory M Agani, Agami Greg
Phone and address:
519 S Lincoln Ln, Arlington Hts, IL 60005
(847) 483-0727
Related to:
Mubaris AgamiKara Chasse, 41Lauren Chasse, 72Alan Chasse, 74Matthew Chasse, 41Matthew Agami
Connected to:
Alix Agami, 82Llan Agami, 68Benjamin B Agamie, 54Inaida A Agamova, 78Aparecida N Agamy, 66Christina M Agan, 46Harold R Agan, 98Hazel Agan, 99Joellen E Agan, 63Jumar C Agan, 31

Gregory Agami Phones & Addresses

  • 519 S Lincoln Ln, Arlington Heights, IL 60005 (847) 483-0727
  • 520 S Rammer Ave, Arlington Heights, IL 60004
  • Arlington Hts, IL
  • Louisville, KY
  • Chicago, IL
  • Liverpool, NY
  • 519 S Lincoln Ln, Arlington Heights, IL 60005

Industries

Telecommunications

Resumes

Resumes

Gregory Agami Photo 1

Distinguished Member Technical Staff At Motorola

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Location:
Greater Chicago Area
Industry:
Telecommunications

Publications

Us Patents

Method And Apparatus To Perform Division In Hardware

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US Patent:
6820108, Nov 16, 2004
Filed:
Sep 7, 2001
Appl. No.:
09/949331
Inventors:
Gregory Agami - Arlington heights IL
Ron Rotstein - Arlington Heights IL
Robert J. Corke - Glen Ellyn IL
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
G06F 750
US Classification:
708653
Abstract:
In accordance with the preferred embodiment of the present invention a gain (A) is determined and utilized to cyclically converge upon a quotient (Q). More particularly, once A is determined, an estimate of Q is multiplied by Y to estimate {circumflex over (X)} , where Q=X/Y. The value of {circumflex over (X)} is then subtracted from X to determine an error (e ), which is multiplied by A. The value of Ae (n) is added to Ae (n-1) to produce an estimate of Q. Once convergence has occurred, the value for Q is output from the circuitry.

Method And Apparatus For Calculating Bit Log-Likelihood Ratios For Qam Signals

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US Patent:
6834088, Dec 21, 2004
Filed:
Mar 12, 2001
Appl. No.:
09/804585
Inventors:
Gregory Agami - Arlington Heights IL
Robert John Corke - Glen Ellyn IL
Ron Rotstein - Arlington Heights IL
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
H04L 512
US Classification:
375324, 375261, 375340
Abstract:
A method and apparatus to efficiently calculate log-likelihood ratios for each bit within M-ary QAM modulated symbols transmitted in a communication system. The method and apparatus utilize characteristics of square Karnaugh mapping of the QAM symbol constellation in order to reduce the number of distance calculations needed to determine the log-likelihood ratios for each of the bits within a demodulated symbol. The reduction in the number of calculations affords significant reduction in the time needed to determine log-likelihood ratios, especially for higher order M-ary QAM systems.

Method, Apparatus And System For Use In Determining Pilot-To-Data Power Ratio In Wireless Communication

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US Patent:
6859505, Feb 22, 2005
Filed:
Jul 1, 2003
Appl. No.:
10/611760
Inventors:
Gregory Agami - Arlington Heights IL, US
Robert John Corke - Glen Ellyn IL, US
George Powley - Northborough MA, US
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
H04J013/04
US Classification:
375345, 4552351, 4552451, 375346
Abstract:
A method, apparatus and system for use in determining a pilot-to-data power ratio by receiving a data symbol () having a data amplitude, receiving a pilot signal () having a pilot amplitude, reverse training () an automatic gain () based on the data amplitude and the pilot amplitude, and determining a pilot-to-data power ratio () according to the reverse training of the automatic gain. In some embodiments the method further compensates for channel fading in the data symbol by providing for channel correction () on the data symbol, providing for channel correction () on the pilot signal and dividing the channel corrected data symbol by the channel corrected pilot signal providing a fading compensated data symbol, where the fading compensated data symbol () is provided prior to reverse training such that the reverse training is based at least in part on the fading compensated data symbol.

Method And Apparatus For Timing Recovery In A Communication Device

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US Patent:
6879623, Apr 12, 2005
Filed:
Mar 28, 2001
Appl. No.:
09/819398
Inventors:
Gregory Agami - Arlington Heights IL, US
Robert John Corke - Glen Ellyn IL, US
Ron Rotstein - Arlington Heights IL, US
Daniel G. Prysby - Elk Grove Village IL, US
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
H04L027/30
US Classification:
375140, 375142, 375150, 375261, 375327, 375371, 370342, 370441, 370479, 370516
Abstract:
A receiving communication device synchronizes to a timing reference of a transmitting communication device based on a determined timing error. The receiving communication device determines the timing error by processing a synchronization signal via a first stage filtering and interpolation process that includes predetermined coefficients and a second stage interpolation process that includes a minimal number of dynamically determined coefficients. By dividing the process into a predetermined coefficient stage and a dynamically determined coefficient stage, the receiving communication device is able to make timing adjustments in a more efficient manner, that is, at a lesser processor loading, than a communication device in which all filtering and interpolation coefficients are dynamically determined. In addition, by including a second order timing recovery loop, the receiving communication device is able to quickly and precisely respond to drifting of a timing reference differential between itself and the transmitting communication device.

Method And Apparatus For Adaptive Signaling In A Qam Communication System

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US Patent:
6904097, Jun 7, 2005
Filed:
Jun 1, 2001
Appl. No.:
09/871833
Inventors:
Gregory Agami - Arlington Heights IL, US
Robert John Corke - Glen Ellyn IL, US
Ron Rotstein - Arlington Heights IL, US
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
H04L023/02
H04L005/12
US Classification:
375261, 375219, 375295, 375262, 375341
Abstract:
A method and apparatus to adaptively puncture bits within QAM modulated data symbols transmitted in a communication system in order to effect a signaling channel. The method and apparatus utilize inherent characteristics of a particular mapping scheme for the QAM constellation to selectively puncture particular bits within a data symbol with signaling information and predetermined binary values to selectively increase the log-likelihood ratio gains of those particular bits punctured with the signaling information. The log-likelihood ratios are used to obtain the signaling information and, thus, increasing the gain of the log-likelihood ratios affords greater reliability for the signaling information without increasing the required system resources.

Automatic Gain Control With Digital Filtering For Radio-Frequency Communications Systems

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US Patent:
6985099, Jan 10, 2006
Filed:
Oct 20, 2000
Appl. No.:
09/693799
Inventors:
Yuda Yehuda Luz - Buffalo Grove IL, US
Ron Rotstein - Buffalo Grove IL, US
Gregory Agami - Arlington Heights IL, US
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
H03M 1/18
US Classification:
341139, 4552321
Abstract:
An automatic gain control includes a digital lowpass filter for filtering a series of digital samples generated by an analog-to-digital converter to generate a lowpass filtered digital sample series; a power averager coupled to the digital lowpass filter for calculating an average power of the lowpass filtered digital sample series; and a lookup table coupled to the power averager for setting a selectable gain of an amplifier coupled to the analog-to-digital converter as a function of the average power.

Data Transmission And Reception Within A Spread-Spectrum Communication System

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US Patent:
7068701, Jun 27, 2006
Filed:
May 29, 2001
Appl. No.:
09/867236
Inventors:
Gregory Agami - Arlington Heights IL, US
Robert J Corke - Glen Ellyn IL, US
Daniel G Prysby - Elk Grove Village IL, US
Stefan Paun - Park Ridge IL, US
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
H04B 1/69
H04K 1/00
US Classification:
375130, 380271
Abstract:
A long code scrambler has been provided to scramble the data bits prior to QAM mapping. Different data rates are accommodated by using different long code m-tuples sampled at the modulation symbol rate, where m equals 2, 4 or 6 for 4, 16 or 64 QAM, respectively. In order to support 1XEV-DV users employing multiple Walsh code channels, a long code 6-tuple sample is permutated, to further randomize the QAM symbols. As appropriate for the modulation order, 2, 4 or 6 bits of the permutated 6-tuple are applied to the data sequence. That is, in addition to randomizing the modulation symbols for a given code channel, each code channel will likely have unique QAM symbols at any given symbol time.

Complex Multiplication Method And Apparatus With Phase Rotation

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US Patent:
7174356, Feb 6, 2007
Filed:
Jun 24, 2003
Appl. No.:
10/602951
Inventors:
Gregory Agami - Arlington Heights IL, US
Ronald Rotstein - Arlington Heights IL, US
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
G06F 7/52
US Classification:
708622
Abstract:
A method and apparatus for complex multiplication includes steps of: (a) receiving a complex multiplicand having a real value and an imaginary value (); (b) generating a negation of the real value of the complex multiplicand (); (c) generating a negation of the imaginary value of the complex multiplicand (); (d) receiving a complex multiplier (); and (e) selecting a phasor constant having a value wherein a complex product of the complex multiplicand times the complex multiplier times the phasor constant has a real value equal to one of the real value of the complex multiplicand, the imaginary value of the complex multiplicand, the negation of the real value of the complex multiplicand, and the negation of the imaginary value of the complex multiplicand ().
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Gregory M Agami from Arlington Heights, IL, age ~52 Get Report