"A Mathematical Theory of Communication" is an influential 1948 article by mathematician Claude E. Shannon. Year 1948 ( MCMXLVIII) was a Leap year starting on Thursday (link will display the 1948 calendar of the Gregorian calendar. A mathematician is a person whose primary area of study and research is the field of Mathematics. Claude Elwood Shannon (April 30 1916 – February 24 2001 an American Electronic engineer and Mathematician, is "the father of Information The article was one of the founding works of the field of information theory. Information theory is a branch of Applied mathematics and Electrical engineering involving the quantification of Information. Shannon expanded the ideas of this article in a 1963 book with Warren Weaver titled The Mathematical Theory of Communication (ISBN 0-25-272548-4). Year 1963 ( MCMLXIII) was a Common year starting on Tuesday (link will display full calendar of the Gregorian calendar. Warren Weaver (b July 17 1894 in Reedsburg Wisconsin d November 24 1978 in New Milford Connecticut) was an American

Shannon's diagram of a general communication system. In Telecommunication, a communications system is a collection of individual communications networks transmission systems Relay stations

Shannon's article laid out the basic elements of communication:

• An information source which produces a message
• A transmitter which operates on the message to create a signal which can be sent through a channel
• A channel, which is the medium over which the signal, carrying the information that composes the message, is sent
• A receiver, which transforms the signal back into the message intended for delivery
• A destination, which can be a person or a machine, for whom or which the message is intended

It also developed the concepts of information entropy and redundancy, and introduced the term bit as a unit of information. Redundancy in Information theory is the number of bits used to transmit a message minus the number of bits of actual information in the message A bit is a binary digit, taking a value of either 0 or 1 Binary digits are a basic unit of Information storage and communication

References

• C. E. Shannon, "A Mathematical Theory of Communication", Bell System Technical Journal, vol. Bell Labs Technical Journal is the in-house journal for scientists of Bell Labs / Alcatel-Lucent. 27, pp. 379-423, 623-656, July, October, 1948

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