Archive for September, 2010

This is a brief timeline of Wireless technologies development :

1896 Guglielmo Marconi develops the first wireless telegraph system

1927 First commercial radiotelephony service operated between Britain and the US

1946 First car-based cellphone set up in St. Louis, exploitation ‘push-to-talk’ technology

1948 Claude Shannon publishes two benchmark papers on Information Theory, containing the basis for data compression (source encoding) and error detection and correction (channel encoding)

1950 TD-2, the first terrestrial microwave telecom system, established to support 2400 telephone circuits

1950s Late in the decade, several ‘push-to-talk’ mobile systems established in big cities for CB-radio, taxis, etc.
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The communications over wifi links have been realizable for a very long time. Radios were used for Communications in the late 1800s. Guglielmo Marconi demonstrated the transmission of Morse Code over wireless links for the British Post Office in 1897. In 1898, the Russian navy cruiser Africa used a wireless Communicating device to communicate with operators on shore. TV signals were first broadcast in 1928. The very first visual picture sent over TV signals was Felix the Cat.

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