Mr. John W. Nieto Profile

John W. Nieto

Senior Scientist at L3Harris Technologies Inc

SPIE Involvement:

Author

Publications (18)

Proceedings Article | 21 May 2014 Paper

Investigating the effects of digital filtering on digital modulations

John Nieto

Proceedings Volume 9103, 910302 (2014) https://doi.org/10.1117/12.2050296

KEYWORDS: Digital filtering, Modulation, Optical filters, Filtering (signal processing), Signal to noise ratio, Digital modulation, Linear filtering, Electronic filtering, Nonlinear filtering, Telecommunications

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Proceedings Article | 21 May 2014 Paper

Demodulation improvement analysis of FEC quasi-coherent CPM

James Norris, John Nieto

Proceedings Volume 9103, 910303 (2014) https://doi.org/10.1117/12.2049730

KEYWORDS: Modulation, Forward error correction, Receivers, Phase shift keying, Demodulation, Binary data, Phase modulation, Pulse shaping, Nonlinear optics, Amplifiers

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Proceedings Article | 28 May 2013 Paper

An investigation of crest factor and power amplifier back-off requirements for non-OFDM multicarrier modulations

John Nieto

Proceedings Volume 8753, 875307 (2013) https://doi.org/10.1117/12.2016377

KEYWORDS: Amplifiers, Modulation, Distortion, Optical filters, Orthogonal frequency division multiplexing, Crystals, Phase shift keying, Telecommunications, Protactinium, Electronic filtering

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Proceedings Article | 28 May 2013 Paper

Quasi-coherent performance of convolutionally-coded continuous phase modulation

James Norris, John Nieto

Proceedings Volume 8753, 87530B (2013) https://doi.org/10.1117/12.2016071

KEYWORDS: Modulation, Demodulation, Forward error correction, Receivers, Phase shift keying, Binary data, Phase modulation, Signal attenuation, Phase shifts, Pulse shaping

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Proceedings Article | 4 May 2012 Paper

Comparing the performance of continuous phase modulation and constant envelope orthogonal frequency division multiplexing

John Nieto

Proceedings Volume 8404, 84040C (2012) https://doi.org/10.1117/12.921394

KEYWORDS: Orthogonal frequency division multiplexing, Modulation, Phase shift keying, Phase modulation, Binary data, Frequency shift keying, Fourier transforms, Data transmission, Amplifiers, Digital signal processing

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Proceedings Article | 4 May 2012 Paper

Serial concatenation schemes for PSK waveforms vs. turbo codes

Fred Kellerman, John Nieto

Proceedings Volume 8404, 84040F (2012) https://doi.org/10.1117/12.923441

KEYWORDS: Computer programming, Phase shift keying, Forward error correction, Modulation, Demodulation, Telecommunications, Quadrature amplitude modulation, RF communications, Phase shifts, Modulators

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Proceedings Article | 24 May 2011 Paper

Iterative detection of continuous phase modulation on multipath channels

John Nieto

Proceedings Volume 8061, 80610A (2011) https://doi.org/10.1117/12.885497

KEYWORDS: Modulation, Phase modulation, Forward error correction, Phase shift keying, Fourier transforms, Digital signal processing, Field programmable gate arrays, Demodulation, Algorithms, Algorithm development

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Proceedings Article | 24 May 2011 Paper

Application and analysis of rake receiver to hybrid CPM modulation

James Norris, John Nieto

Proceedings Volume 8061, 80610B (2011) https://doi.org/10.1117/12.888788

KEYWORDS: Modulation, Receivers, Phase shift keying, Global system for mobile communications, Doppler effect, Monte Carlo methods, Error analysis, Performance modeling, Fourier transforms, Binary data

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Proceedings Article | 24 May 2011 Paper

Performance of concatenated convolutional codes: coherent vs. non-coherent

Fred Kellerman, John Nieto

Proceedings Volume 8061, 80610N (2011) https://doi.org/10.1117/12.888307

KEYWORDS: Forward error correction, Computer programming, Modulation, Demodulation, Telecommunications, RF communications, Phase shifts, Receivers, Phase shift keying, Transmitters

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Proceedings Article | 28 April 2010 Paper

Power amplifier distortion effects on single-carrier and multiple-carrier waveforms

John Nieto

Proceedings Volume 7706, 770609 (2010) https://doi.org/10.1117/12.852198

KEYWORDS: Signal to noise ratio, Orthogonal frequency division multiplexing, Amplifiers, Modulation, Optical filters, Distortion, Telecommunications, Protactinium, Phase shift keying, Filtering (signal processing)

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Proceedings Article | 28 April 2010 Paper

Performance of concatenated convolutional codes with m-ary differential phase shift key modulation

Fred Kellerman, John Nieto

Proceedings Volume 7706, 77060K (2010) https://doi.org/10.1117/12.853619

KEYWORDS: Forward error correction, Modulation, Computer programming, Phase shifts, Telecommunications, RF communications, Demodulation, Receivers, Phase shift keying, Error analysis

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Proceedings Article | 2 May 2009 Paper

Investigating the effects of filtering, clipping, and power amplification on the performance of OFDM waveforms

John Nieto

Proceedings Volume 7349, 734905 (2009) https://doi.org/10.1117/12.819202

KEYWORDS: Orthogonal frequency division multiplexing, Signal to noise ratio, Amplifiers, Forward error correction, Distortion, Modulation, Optical filters, Protactinium, Telecommunications, Filtering (signal processing)

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Proceedings Article | 3 April 2008 Paper

An investigation of constant-envelope variations of OFDM waveforms for use on HF multipath fading channels

John Nieto

Proceedings Volume 6980, 698002 (2008) https://doi.org/10.1117/12.778307

KEYWORDS: Orthogonal frequency division multiplexing, Modulation, Signal to noise ratio, Forward error correction, Amplifiers, Phase shift keying, Distortion, Systems modeling, Demodulation, Data conversion

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Proceedings Article | 3 May 2007 Paper

A review of scale factors, fixed-point precision, soft decisions, and hard decisions on the performance of the UMTS (3GPP) turbo codes

John Nieto

Proceedings Volume 6577, 65770E (2007) https://doi.org/10.1117/12.719359

KEYWORDS: Signal to noise ratio, Computer programming, Receivers, Standards development, Mathematics, Forward error correction, Switches, Computer simulations, Factor analysis, Telecommunications

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Proceedings Article | 3 May 2007 Paper

Decoder-aided multidata detection of COFDM-CDMA waveforms on HF multipath/fading channels

John Nieto

Proceedings Volume 6577, 65770C (2007) https://doi.org/10.1117/12.720224

KEYWORDS: Orthogonal frequency division multiplexing, Forward error correction, Signal to noise ratio, Modulation, Demodulation, Data conversion, Interference (communication), Error analysis, Statistical analysis, Doppler effect

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Proceedings Article | 12 May 2006 Paper

Effects of code rate and channel estimation on OFDM and OFDM-CDMA waveforms

John Nieto

Proceedings Volume 6248, 62480K (2006) https://doi.org/10.1117/12.665472

KEYWORDS: Orthogonal frequency division multiplexing, Modulation, Forward error correction, Signal to noise ratio, Demodulation, Data conversion, Error analysis, Doppler effect, Systems modeling, Interference (communication)

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Proceedings Article | 2 June 2005 Paper

Performance comparison of uncoded and coded OFDM and OFDM-CDMA waveforms on HF multipath/fading channels

John Nieto

Proceedings Volume 5819, (2005) https://doi.org/10.1117/12.604570

KEYWORDS: Orthogonal frequency division multiplexing, Modulation, Signal to noise ratio, Forward error correction, Demodulation, Data conversion, Interference (communication), Systems modeling, Data analysis, Data modeling

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Proceedings Article | 10 August 2004 Paper

An investigation of OFDM-CDMA waveforms using different modulation schemes on HF multipath/fading channels

John Nieto

Proceedings Volume 5440, (2004) https://doi.org/10.1117/12.543491

KEYWORDS: Orthogonal frequency division multiplexing, Modulation, Signal to noise ratio, Demodulation, Data conversion, Data analysis, Data modeling, Systems modeling, Fast wavelet transforms, Error analysis

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