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Edgar Velez

Nortel

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Publication

Featured researches published by Edgar Velez.

Journal of Optical Networking | 2004

Multipath interference detection in optical links by use of digital signalprocessing

Mehul Mehta; Slobodan Jovanovic; Zongyao Zhou; Simon Parry; Giulio Giovannini; Edgar Velez; Evangelos Paravalos; Kim B. Roberts

Feature Issue on Optical Performance Monitoring (OPM). We present techniques based on digital signal processing for detecting and measuring multipath interference (MPI) in a given optical link.Please provide complete mailing addresses for each affiliation.

Archive | 2006

Signal acquisition in a coherent optical receiver

Chandra Sekhar Bontu; Kim B. Roberts; Han Sun; Edgar Velez; Kuang Tsan Wu

Archive | 1998

Method and apparatus for operating an adaptive decision feedback equalizer

Edgar Velez; Ian Dublin; Richard Buz; Sisay Yirga

Archive | 1998

Automatic gain control circuit for a modem receiver

Edgar Velez; Ian Dublin; Peter Noel

Archive | 1998

Timing recovery loop circuit in a receiver of a modem

Edgar Velez; Ian Dublin

Archive | 1998

Signal power adjustment for QAM communication systems

Edgar Velez; Michel Darveau

Archive | 1998

Method and apparatus for energy detection in a modem

Edgar Velez; Peter Noel; Sisay Yirga

Archive | 1998

Sequential blind convergence process in an adaptive decision feedback equalizer

Edgar Velez; Ian Dublin; Richard Buz; Sisay Yirga

Archive | 1998

Method of reducing coefficient leakage noise introduced to an equalizer during steady state operation

Edgar Velez; Ian Dublin; Richard Buz; Sisay Yirga

Archive | 2002

Adaptive optical amplifier control

Saeid Seydnejad; Frederic F. Simard; Zhongwei Li; Anant Grewal; Aiping Liang; Kun Han; Edgar Velez; Kevin Stuart Farley

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Collaboration

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Ian Dublin

Nortel

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Sisay Yirga

Nortel

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Richard Buz

Nortel

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Peter Noel

Nortel

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Aiping Liang

Nortel

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Anant Grewal

Nortel

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Chandra Sekhar Bontu

Nortel

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Evangelos Paravalos

Nortel

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Frederic F. Simard

Nortel

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Giulio Giovannini

Nortel

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