Hoai Vu from 9658 Westminster Ave, Garden Grove, CA 92844, age 64, Phone: (714) 590-9106

Public records

Vehicle Records

Hoai Vu

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Address:

14141 Uxbridge St, Westminster, CA 92683

Phone:

(714) 379-2315

VIN:

5XXGN4A73CG003027

Make:

KIA

Model:

OPTIMA

Year:

2012

Resumes

Systems Engineer - Digital Systems Hardware

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Location:

Port Hueneme, CA

Industry:

Defense & Space

Work:

Quantum - Irvine, California since Sep 2012
Sr. Software Quality Assurance Test Engineer
Brocade Communications Systems Jun 2008 - Sep 2012
Systems Engineer
Emulex Corporation Aug 2004 - May 2008
Technical Marketing Engineer
Emulex Corporation Aug 2004 - Oct 2005
Sr. DVT Engineer
Quantum Corporation Jul 2003 - Aug 2004
Sr. ISV Certification Test Engineer

Education:

California State University-Long Beach 1988 - 1991
BSEE, Electrical Engineering Coastline College
Computer Network Specialist, Computer Science Technology

Skills:

San
Fibre Channel
Virtualization
Nas
Vmware
Cloud Computing
Brocade
Servers
Solaris
Storage Solutions
Disaster Recovery
Hardware
Enterprise Software
Linux
Storage Virtualization
Netapp
Cisco Technologies
Vmware Esx
Testing
Storage Area Network
Enterprise Storage
Fcoe
Iscsi
Switches
Ethernet
Scsi
Pre Sales
Computer Hardware
Oracle Enterprise Manager
Systems Engineering
Vsphere
Windows Server
Red Hat Linux
Windows
Backup Solutions
Oem
Server Architecture
De Duplication
Hp Ux
Aix
Replication
Ip Networking
Secure Data Erasure
Data Forensics
Symantec Netbackup
Hdd/Ssd Testing and Erasure
Vector Canalyzer
Controller Area Network
Embedded Systems

Interests:

Travels
Science and Technology
Music
Singing
Movies
Fishing
Playing Guitars

Languages:

Vietnamese

Certifications:

Brocade Accredited Server Connectivity Specialist
Brocade Communications Systems

Marketing Activation Executive

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Industry:

Marketing And Advertising

Work:

Optimize Solution Corp. Jul 2014 - Jan 2016
Human Resources Executive
Sanofi Aventis Vietnam Jul 2014 - Jan 2016
Marketing Activation Executive

Education:

Ton Duc Thang University 2011 - 2014
Bachelors, Business Administration, Business

Hoai Vu

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Hoai Vu

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Hoai Vu

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Publications

Us Patents

Multiphase Receiver And Oscillator

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US Patent:

6385442, May 7, 2002

Filed:

Mar 4, 1998

Appl. No.:

09/034826

Inventors:

Hoai Xuan Vu - Stanton CA
Toan Xuan Vu - Stanton CA

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

H04B 126

US Classification:

455318, 455205, 331 57, 331 45, 327238, 375332

Abstract:

A differential ring oscillator is provided with three differential amplifiers and provides three-phase output signals which can be used for synchronous detection of a received multi-phase modulated signal in a multi-phase receiver, wherein the phase of the local oscillator signals may be in other-than-quadrature relation. Two of the phase outputs of the local oscillator can be combined to provide a signal that is in quadrature with the remaining output. The oscillator is preferably controlled in coarse frequency control steps and using a fine voltage control signal responsive to a phase-locked loop to reduce frequency modulation of the oscillator signal arising out of leakage signals.

Method And System For Radio Map Filtering Via Adaptive Clustering

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US Patent:

7155239, Dec 26, 2006

Filed:

May 28, 2004

Appl. No.:

10/856965

Inventors:

Guang Zeng - Selden NY, US
David P. Goren - Smithtown NY, US
Hoai Xuan Vu - Westminster CA, US

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

H04Q 7/20

US Classification:

4554561, 455456, 455410, 707 5

Abstract:

A method for estimating a location of a wireless device in a wireless local network is provided. The method includes forming a first set comprised of the signal strength received from access points that the wireless device received a signal from and an indicator of no signal strength measured for access points that the wireless device did not receive a signal from. Next, a scan subset can be formed comprised of access points in the first set that has associated signal strength. Next, a cluster comprised of the calibration points can be formed based on the scan subset. A distance between the first set and each of the calibration point in the cluster can be calculated. Then, the smallest distance can be selected as the location estimate.

Method For Locating Mobile Units Based On Received Signal Strength Ratio

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US Patent:

7308276, Dec 11, 2007

Filed:

Jun 4, 2003

Appl. No.:

10/454147

Inventors:

David P. Goren - Smithtown NY, US
Hoai Xuan Vu - Westminster CA, US

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

H04Q 7/20
G01S 3/02

US Classification:

4554565, 342451, 342458, 342464, 34235703

Abstract:

Location of mobile units in a wireless local area network is based on use of signal strength ratios and other criteria. In one embodiment absolute value of signal strength is used to derive a second value of location. The second value may be used as the location if the system is not calibrated and may also be used to calibrate the system. Alternatively time difference of arrival may be used in combination with signal strength ratio.

Method For Locating Mobile Units Based On Received Signal Strength Ratio

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US Patent:

20080051103, Feb 28, 2008

Filed:

Oct 31, 2007

Appl. No.:

11/931258

Inventors:

David Goren - Smithtown NY, US
Hoai Vu - Westminster CA, US

International Classification:

H04Q 7/20

US Classification:

455456100

Abstract:

Estimation Of Propellant Remaining In A Satellite

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US Patent:

20140032092, Jan 30, 2014

Filed:

Jul 27, 2012

Appl. No.:

13/560933

Inventors:

Hoai Xuan Vu - Westminster CA, US

International Classification:

B64G 1/66

US Classification:

701123

Abstract:

An amount of propellant remaining in an orbiting satellite can be estimated in a more accurate manner than is possible with conventional approached. Pressure and temperature telemetry data received from the satellite can be analyzed using a maximum likelihood estimation approach that reconstructs a predicted tank pressure signal using the temperature data and determines a pressurant volume necessary to make the reconstructed pressure signal match the received pressure signal. Drift of the pressure data received from pressure transducers in the satellite can also be addressed using the current subject matter, as can issues including but not limited to inaccessible propellant due to satellite spin, tank expansion under pressure, and the like. Independent determinations of the amounts of propellant remaining can be made using moment of inertia calculations in situations in which an axis of spin of the satellite is known a priori.

Method And Apparatus For Improving Data Transmission Over A Wireless System By Optical Spectrum Positioning

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US Patent:

58261745, Oct 20, 1998

Filed:

Jan 23, 1996

Appl. No.:

8/589884

Inventors:

Hoai Xuan Vu - Stanton CA

Assignee:

Simple Technology, Inc. - Santa Ana CA

International Classification:

H04N 100
H04B 126

US Classification:

455 42

Abstract:

The present invention is a method and apparatus for signal conditioning which reduces non-linear distortion caused by RF/FM transmitters by lowering the carrier frequency of the modem transmit signal. This is accomplished by lowering the highest frequency in the input signal to the RF/FM transmitter. In one embodiment, modem datapumps are modified so that the optimal modem carrier frequency is utilized for data modulation. The optimal carrier frequency is computed by placing the lowest frequency component in the transmit spectrum at the low band-edge of the RF channel. In other embodiments, a conventional modem transmit spectrum is shifted to the optimal carrier frequency, which is determined by the method described above. Another aspect of the present invention involves the modification of the receiving modem to operate with both conventional land-line modems and the present invention modified-carrier modems used in conjunction with the cellular telephone network. This is accomplished by implementing energy-correlation filters which determine the frequency band over which the received signal energy is distributed.

Radio Frequency Receiver With Automatic Gain Control

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US Patent:

57582742, May 26, 1998

Filed:

Mar 13, 1996

Appl. No.:

8/615347

Inventors:

Hoai X. Vu - Stanton CA
Toan Vu - Lake Grove NY

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

H04B 116

US Classification:

4552461

Abstract:

The receiver for receiving data carried by the carrier frequency signal and, in a heterodyning system, for downconverting the received signal to a suitable intermediate frequency signal. The modulator and the downconverter are formed on a single semiconductor body, or chip of silicon. The receiver section is adapted to receive, over a predetermined overall bandwidth, signals having carrier frequencies within a plurality of frequency channels, each one of the channels having a predetermined channel bandwidth. The downconverted signals are converted into corresponding digital signals. A demodulator includes a pair of filters having Hilbert-Transform relationship with respect to each other. The receiver includes: a first automatic gain control circuit (AGC) which is responsive to an output of the digital signal processor, for adjusting the gain of the AGC circuit in accordance with the output of the digital signal processor; and, a second AGC circuit fed by the digital signals and the output of the digital signal processor, for adjusting the gain of the magnitude of the digital signals in accordance with the output of the digital signal processor.

Ring Oscillator Having Two Rings Whose Outputs Are Combined

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US Patent:

56685050, Sep 16, 1997

Filed:

Mar 13, 1996

Appl. No.:

8/614592

Inventors:

Hoai X. Vu - Stanton CA
Toan Vu - Lake Grove NY

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

H03B 502

US Classification:

331 49

Abstract:

An oscillator is provided having a plurality of cascade coupled inverters Each one of the inverters is a differential amplifier having a p-input and an n-input. The output of each one of the amplifiers is connected to: the n-input of the next succeeding amplifier to provide a closed loop, or ring oscillator; and, the p-input of an amplifier positioned an even number of amplifier stages forward of such next succeeding amplifier. In a preferred embodiment, each amplifier in the ring includes an n channel transistor (nMOS transistor) connected in a totem pole arrangement, to a p channel transistor (pMOS transistor). The gate of the nMOS transistor provides the n-input and gate of the pMOS transistor provides the p-input. The source and drain paths of the pMOS and nMOS transistors are connected together to provide an output for the amplifier. With such arrangement, because the gate of the more slowly responding pMOS transistor is driven before the gate of the nMOS transistor the oscillator is adapted to operate at a higher frequency of oscillation.

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