Mr. Fred C. Kellerman Profile

Fred C. Kellerman

at L3Harris Technologies Inc

SPIE Involvement:

Author

Publications (10)

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

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

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

Some practicalities of popular error correcting codes on fading channels

Fred Kellerman

Proceedings Volume 7349, 73490G (2009) https://doi.org/10.1117/12.821976

KEYWORDS: Telecommunications, Signal to noise ratio, Computer programming, Orthogonal frequency division multiplexing, Receivers, RF communications, Modulation, Error analysis, Computer simulations, Forward error correction

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Proceedings Article | 3 April 2008 Paper

OFDM LDPC performance comparison on an HF multipath fading channel

Fred Kellerman

Proceedings Volume 6980, 698006 (2008) https://doi.org/10.1117/12.785331

KEYWORDS: Orthogonal frequency division multiplexing, Telecommunications, RF communications, Matrices, Receivers, Signal to noise ratio, Error analysis, Modulation, Computer programming, Computer simulations

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Proceedings Article | 3 May 2007 Paper

Utilizing space frequency COFDM on multipath fading channels

Fred Kellerman

Proceedings Volume 6577, 65770D (2007) https://doi.org/10.1117/12.720852

KEYWORDS: Antennas, Orthogonal frequency division multiplexing, Receivers, Computer programming, Telecommunications, RF communications, Modulation, Computer simulations, Forward error correction, Binary data

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Proceedings Article | 2 June 2005 Paper

Differential space frequency COFDM for a multipath fading channel

Fred Kellerman

Proceedings Volume 5819, (2005) https://doi.org/10.1117/12.604627

KEYWORDS: Antennas, Orthogonal frequency division multiplexing, Receivers, Forward error correction, Modulation, Computer programming, Telecommunications, RF communications, Transmitters, Binary data

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Proceedings Article | 10 August 2004 Paper

Differential space-frequency coding for a multipath fading channel

Fred Kellerman

Proceedings Volume 5440, (2004) https://doi.org/10.1117/12.542943

KEYWORDS: Orthogonal frequency division multiplexing, Antennas, Receivers, Computer programming, Modulation, RF communications, Telecommunications, Transmitters, Signal to noise ratio, Binary data

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Proceedings Article | 23 July 2003 Paper

LDPC OFDM space-time multipath fading channel results

Fred Kellerman

Proceedings Volume 5100, (2003) https://doi.org/10.1117/12.487462

KEYWORDS: Orthogonal frequency division multiplexing, Telecommunications, Antennas, RF communications, Receivers, Computer programming, Data communications, Modulation, Electromagnetism, Forward error correction

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Proceedings Article | 25 June 2002 Paper

Low-density parity check codes using OFDM on multipath fading channel

Fred Kellerman, Soheil Dianat

Proceedings Volume 4740, (2002) https://doi.org/10.1117/12.472965

KEYWORDS: Orthogonal frequency division multiplexing, Modulation, Receivers, Computer programming, Telecommunications, Transmitters, Electromagnetism, Computer simulations, Gaussian filters, Numerical simulations

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Showing 5 of 10 publications

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