June 2017
Intermediate to advanced
439 pages
17h 59m
English
Content preview from Building the Network of the Future
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John Donovan and Krish Prabhu
Contents
Although the early history of electrical telecommunication systems dates back to the 1830s, the dawn of modern telecommunications is generally viewed as Alexander Graham Bell’s invention of the telephone in 1876. For the first 100 years, the telecom network was primarily “fixed”—the users were restricted to being stationary (other than some limited mobility offered by cordless phones) in locations that were connected to the telecom infrastructure through fixed lines. The advent of mobile telephony in the 1980s, made it possible to move around during a call, eventually ushering in the concept of “personal communication services,” allowing each user to conduct his or her ...
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