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B. P. Lathi, Zhi Ding - Modern Digital and Analog Communication Systems-Oxford University Press (2009)

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1.6 A Brief Historical Review of Modern Telecommunications 17

TABLE 1.1

Important Events of the Past Two Centuries of Telecommunications

Year

1820

1831

1830-32

1837

1864

1866

1876

1878

1887

1896

1901

1906

1907

1915

1920

1921

1925

1928

1935

1941

1947

1948

1949

1950

1953

1958

1960

1962

1962

1968-9

1971

1973

1978

1984

1989

1991

1993

1993

1996

1997

1998

1999

2000

2003

Major Events

First experiment of electric current causing magnetism (by Hans C. Oersted)

Discovery of induced current from electromagnetic radiation (by Michael Faraday)

Birth of telegraph ( credited to Joseph Henry and Pavel Schilling)

Invention of Morse code by Samuel F. B. Morse

Theory of electromagnetic waves developed by James C. Maxwell

First transatlantic telegraph cable in operation

Invention of telephone by Alexander G. Bell

First telephone exchange in New Haven, Connecticut

Detection of electromagnetic waves by Heinrich Hertz

Wireless telegraphy (radio telegraphy) patented by Guglielmo Marconi

First transatlantic radio telegraph transmission by Marconi

First amplitude modulation radio broadcasting (by Reginald A. Fessenden)

Regular transatlantic radio telegraph service

First transcontinental telephone service

First commercial AM radio stations

Mobile radio adopted by Detroit Police Department

First television system demonstration (by Charles F. Jenkins)

First television station W3XK in the United States

First FM radio demonstration (by Edwin H. Armstrong)

NTSC black and white television standard

First commercial FM radio service

Cellular concept first proposed at Bell Labs

First major information theory paper published by Claude E. Shannon

Invention of transistor by William Shockley, Walter Brattain, and John Bardeen

The construction of Golay code for 3 ( or fewer) bit error correction

Hamming codes constructed for simple error corrections

NTSC color television standard

Integrated circuit proposed by Jack Kilby (Texas Instruments)

Construction of the powerful Reed-Solomon error correcting codes

First computer telephone modem developed: Bell Dataphone 103A (300 bit/s)

Low-density parity check error correcting codes proposed by Robert G. Gallager

First error correction encoders on board NASA space missions (Pioneer IX and Mariner VI)

First wireless computer network: AlohaNet

First portable cellular telephone demonstration to the U.S. Federal Communications

Commission, by Motorola

First mobile cellular trial by AT&T

First handheld (analog) AMPS cellular phone service by Motorola

Development of DSL modems for high-speed computer connections

First (digital) GSM cellular service launched (Finland)

First wireless local area network (LAN) developed (AT&T-NCR)

Digital ATSC standard established

Turbo codes proposed by Berrou, Glavieux, and Thitimajshima

First commercial CDMA (IS-95) cellular service launched

First HDTV broadcasting

IEEE 802.11 (b) wireless LAN standard

Large-scope commercial ADSL deployment

IEEE 802.lla wireless LAN standard

First 3G cellular service launched

IEEE 802.llg wireless LAN standard

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