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Leonard J Cimini, Age 68Bear, DE

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Known as:
Cimini Cimini
Related to:
Daniel Gallagher 83

Leonard Cimini Phones & Addresses

Bear, DE

2020 Hutchinson St, Philadelphia, PA 19148

11 Appletree Rd, Howell, NJ 07731 (732) 938-6674

Middletown, NJ

Pennsville, NJ

Freehold, NJ

1314 Varsity Ln, Bear, DE 19701 (732) 938-6674

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Work

Position: Administrative Support Occupations, Including Clerical Occupations

Education

Degree: Graduate or professional degree

Mentions for Leonard J Cimini

Leonard Cimini resumes & CV records

Resumes

Leonard Cimini Photo 10

It Specialist

Location:
Philadelphia, PA
Industry:
Information Technology And Services
Work:
Acteon Group
It Specialist Felder Group Usa
Technical Sales Support Office Depot Aug 2008 - Jun 2013
Computer Repair Technician Talk Php May 2008 - Sep 2008
Computer Programmer
Education:
University of Delaware 2010 - 2012
Doctorates, Physics University of Delaware 2006 - 2010
Bachelors, Physics
Skills:
Pre Sales, Technical Product Sales, Technical Support, Computer Numerical Control, Gimp, .Net Framework, Adobe Creative Suite, Maven, Cmake, Php, Java, C++, Xhtml, Ruby, Perl, Matlab, Fortran, Programming, Physics
Languages:
English
Leonard Cimini Photo 11

Professor At Univ. Of Delaware

Location:
Greater Philadelphia Area
Industry:
Telecommunications
Leonard Cimini Photo 12

Professor At University Of Delaware

Location:
Greater Philadelphia Area
Industry:
Telecommunications
Leonard Cimini Photo 13

Professor At University Of Delaware

Location:
Greater Philadelphia Area
Industry:
Wireless
Leonard Cimini Photo 14

Independent Management Consulting Professional

Location:
Greater Philadelphia Area
Industry:
Management Consulting

Publications & IP owners

Us Patents

Ofdm Communication System And Method Having A Reduced Peak-To-Average Power Ratio

US Patent:
2001003, Nov 1, 2001
Filed:
Feb 7, 2001
Appl. No.:
09/778254
Inventors:
Leonard Cimini - Howell NJ, US
Nelson Sollenberger - Farmingdale NJ, US
International Classification:
H04L027/30
H04J011/00
US Classification:
370/210000, 370/208000, 375/130000
Abstract:
An OFDM system embeds sequence information in the transmitted signal that reduces peak average power ratio (PAP) with minimal impact on the overall system efficiency. A marker is embedded onto the transmitted information that is used to identify the combining (inversion) sequence at the receiver. In one embodiment, selected tones in a cluster are rotated when the corresponding phase factor rotates the cluster.

Packet Shaping For Mixed Rate 802.11 Wireless Networks

US Patent:
2003013, Jul 17, 2003
Filed:
Nov 14, 2002
Appl. No.:
10/294928
Inventors:
Leonard Cimini - Howell NJ, US
Zoran Kostic - Holmdel NJ, US
Kin Leung - Edison NJ, US
Hujun Yin - Bethlehem PA, US
Assignee:
AT&T Corp. - Middletown NJ
International Classification:
H04Q007/24
US Classification:
370/338000, 370/468000
Abstract:
A method of shaping data packet transmissions by nodes in a wireless network is presented. Each node sets a maximum limit for MAC service data unit size based on data rate so that maximum transmission times for data packet transmissions by all of the nodes are approximately the same.

Method And System For Reduction Of Peak-To-Average Power Ratio Of Transmission Signals Comprising Overlapping Waveforms

US Patent:
2003013, Jul 17, 2003
Filed:
Feb 5, 2003
Appl. No.:
10/358257
Inventors:
Leonard Cimini - Howell NJ, US
Nelson Sollenberger - Tinton Falls NJ, US
International Classification:
H04B017/00
US Classification:
370/342000, 455/067600
Abstract:
The present invention provides a method and system for reducing the peak to average power ratio (PAP) of a signal with low computational complexity. According to one embodiment, the present invention is applied to reduce the PAP of an OFDM signal. According to an alternative embodiment, the present invention is applied to reduce the PAP of a CDMA signal. Rather than seeking the optimum solution, which involves significant computational complexity, the present invention provides for a number of sub-optimal techniques for reducing the PAP of an OFDM signal but with much lower computational complexity. In particular, according to one embodiment utilizing the PTS approach, an iterative technique is used to assign phase factors to each of a set of partial transmit sequences from a set of possible phase factors. Experimental results using the iterative technique showed only a slight degradation (1 dB) from the optimal approach using the same number of subblocks and subcarriers. In an alternative embodiment, which avoids feedback required by the iterative approach, a sequence of phase factors are generated randomly and assigned to each of a set of partial transmit sequences. This procedure is repeated for a predetermined number of trials and the random sequence generating the lowest PAP is selected. In a third embodiment, a set of phase factors is generated using a structured sequence such as a Walsh sequence.

Adaptive Mac Fragmentation And Rate Selection For 802.11 Wireless Networks

US Patent:
2003015, Aug 14, 2003
Filed:
Nov 14, 2002
Appl. No.:
10/294854
Inventors:
Leonard Cimini - Howell NJ, US
Zoran Kostic - Holmdel NJ, US
Kin Leung - Edison NJ, US
Hujun Yin - Bethlehem PA, US
Assignee:
AT&T Corp. - Middletown NJ
International Classification:
H04Q007/24
US Classification:
370/338000, 370/349000, 370/465000
Abstract:
A method for setting and adjusting MAC fragmentation threshold for IEEE 802.11 networks operating at different data rates is presented. The fragmentation threshold is adjusted based on throughput performance, delay constraints and hidden node influence.

Method For Estimating Time And Frequency Offset In An Ofdm System

US Patent:
2005016, Aug 4, 2005
Filed:
Mar 31, 2005
Appl. No.:
11/095978
Inventors:
Leonard Cimini - Howell NJ, US
Bruce McNair - Holmdel NJ, US
International Classification:
H04J011/00
US Classification:
370206000
Abstract:
The synchronization technique invention uses inherent characteristics of the frequency domain representation of the data symbols. By computing a differential-in-frequency function across a large number of OFDM tones, robust estimates of time and frequency offset can be easily obtained. The technique also allows the system designer to directly trade performance in the presence of channel impairments against signal processing complexity. Analysis and simulation have shown good performance in the presence of noise and channel delay dispersion, impairments that are the harshest in a wireless environment. Prior techniques for OFDM synchronization have focussed on the time domain representation of the signal. Those that have recognized the translation of time and frequency offset to the frequency domain have not considered the systematic modification of the signal by the offsets.

Ofdm Communication System And Method Having A Reduced Peak-To-Average Power Ratio

US Patent:
2005025, Nov 24, 2005
Filed:
Jul 26, 2005
Appl. No.:
11/190308
Inventors:
Leonard Cimini - Howell NJ, US
Nelson Sollenberger - Farmingdale NJ, US
International Classification:
H04J011/00
US Classification:
370208000, 370430000
Abstract:
An OFDM system embeds sequence information in the transmitted signal that reduces peak average power ratio (PAP) with minimal impact on the overall system efficiency. A marker is embedded onto the transmitted information that is used to identify the combining (inversion) sequence at the receiver. In one embodiment, selected tones in a cluster are rotated when the corresponding phase factor rotates the cluster.

Ofdm Communication System And Method Having A Reduced Peak-To-Average Power Ratio

US Patent:
2007015, Jul 5, 2007
Filed:
Mar 12, 2007
Appl. No.:
11/685028
Inventors:
LEONARD CIMINI - Howell NJ, US
Nelson Sollenberger - Farmingdale NJ, US
International Classification:
H04K 1/10
US Classification:
375260000
Abstract:
An OFDM system embeds sequence information in the transmitted signal that reduces peak average power ratio (PAP) with minimal impact on the overall system efficiency. A marker is embedded onto the transmitted information that is used to identify the combining (inversion) sequence at the receiver. In one embodiment, selected tones in a cluster are rotated when the corresponding phase factor rotates the cluster.

Method For Estimating Time And Frequency Offset In An Ofdm System

US Patent:
2008006, Mar 13, 2008
Filed:
Oct 31, 2007
Appl. No.:
11/982121
Inventors:
Leonard Cimini - Howell NJ, US
Bruce McNair - Holmdel NJ, US
International Classification:
H04L 23/02
US Classification:
375260000
Abstract:
The synchronization technique invention uses inherent characteristics of the frequency domain representation of the data symbols. By computing a differential-in-frequency function across a large number of OFDM tones, robust estimates of time and frequency offset can be easily obtained. The technique also allows the system designer to directly trade performance in the presence of channel impairments against signal processing complexity. Analysis and simulation have shown good performance in the presence of noise and channel delay dispersion, impairments that are the harshest in a wireless environment. Prior techniques for OFDM synchronization have focussed on the time domain representation of the signal. Those that have recognized the translation of time and frequency offset to the frequency domain have not considered the systematic modification of the signal by the offsets.

Possible Relatives

David M Cimini  Jessica E Cimini  John B Cimini  Laura A Cimini  Michael A Cimini  Richard C Cimini  Stephen F Cimini  Leonard Johnson  Leonard B Johnston  Leonard E Stanton 

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