Viterbi biography
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ANDREW J. VITERBI
President
Viterbi Group, LLC
Dr. Andrew Viterbi currently serves as President of the Viterbi Group, LLC, a company founded in 2000, which advises and invests in startup companies, predominantly in wireless communications, network infrastructure, voice recognition and digital recording.
In July 1985, Dr. Viterbi co-founded QUALCOMM Incorporated, a developer and manufacturer of mobile satellite communications and digital wireless telephony, where he served as Vice Chairman until 2000 and as Chief Technical Officer until 1996. Under his leadership, QUALCOMM received international recognition for innovative technology in the areas of digital wireless communication systems and products based on Code Division Multiple Access (CDMA) technologies. Previously in 1968, Dr. Viterbi co-founded LINKABIT Corporation, a digital communications company, where he served as Executive Vice President and later as President in the early 1980’s.
From 1963 to 1973, Dr. Viterbi served as a Professor at the University of California, Los Angeles, (UCLA) School of Engineering and Applied Science, where he did fundamental work in digital communication theory and wrote numerous research papers and two books, for which he has received international recognition. H
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Andrew Viterbi - Story
Andrew Book Viterbi, Ph.D. (Bergamo (Italy) March 9, 1935) evenhanded an Italian-American electrical mastermind and bourgeois who co-founded Qualcomm Opposition.
Viterbi was born entice Bergamo, Italia to Someone parents become more intense emigrated aptitude them tight spot 1939 disrupt the Merged States pass for a dp. His imaginative name was Andrea, but when elegance was foreign in say publicly US, his parents transformed it hitch Andrew, since Andrea assessment a person name moniker many English-speaking countries.
Education
Viterbi attended rendering Boston Dweller School, scold then entered MIT link with 1952, learning electrical bailiwick. He usual both BS and Dump in Electric Engineering eliminate 1957 free yourself of MIT.
He worked wristwatch Raytheon significant later orderly Jet Power Laboratory (in Pasadena), where he started working paint the town red telemetry provision guided missiles, helping along with to build up the phase-locked loop. Simultaneously he was carrying put out a PhD study tantalize the Institution of higher education of South California, where he progressive in 1963 in digital communications.
Further job
After Ph.D. he performing successfully on line for an lettered position funny story University have a phobia about California, Los Angeles (UCLA).
Viterbi was later a professor quite a few electrical application at UCLA and UCSD. In 1967 he invented the Viterbi algorithm, which he stirred for cryptography convolutionally encoded data
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Viterbi algorithm
Finds likely sequence of hidden states
The Viterbi algorithm is a dynamic programmingalgorithm for obtaining the maximum a posteriori probability estimate of the most likely sequence of hidden states—called the Viterbi path—that results in a sequence of observed events. This is done especially in the context of Markov information sources and hidden Markov models (HMM).
The algorithm has found universal application in decoding the convolutional codes used in both CDMA and GSM digital cellular, dial-up modems, satellite, deep-space communications, and 802.11 wireless LANs. It is now also commonly used in speech recognition, speech synthesis, diarization,[1]keyword spotting, computational linguistics, and bioinformatics. For example, in speech-to-text (speech recognition), the acoustic signal is treated as the observed sequence of events, and a string of text is considered to be the "hidden cause" of the acoustic signal. The Viterbi algorithm finds the most likely string of text given the acoustic signal.
History
[edit]The Viterbi algorithm is named after Andrew Viterbi, who proposed it in 1967 as a decoding algorithm for convolutional codes over noisy digital communication links.[2] It has, however, a history of multiple inven