WIRELESS NETWORKS AND MOBILE IP
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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digital
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analog
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Either A or B
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None of the above
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Detailed explanation-1: -Wireless cellular technology or mobile communications started with first generation mobile phones, popularly known as 1G . It was an analog telecommunications system, introduced in 1979 and continued to mid of the 1980s.
Detailed explanation-2: -Wireless networks based on analog frequency division multiple access technologies. Many systems were individually tailored, country-specific solutions, including technologies such as AMPS, Nordic Mobile Telephone (NMT) and total access communications system (TACS).
Detailed explanation-3: -The first public cellular telephone system (first-generation, 1G), called Advanced Mobile Phone System (AMPS) [8, 21], was introduced in 1979 in the United States. During the early 1980s, several incompatible cellular systems (TACS, NMT, C450, etc.) were introduced in Western Europe.
Detailed explanation-4: -SECOND GENERATION (2G) The radio signals used by the 1G network were analog, while 2G networks were digital.