Mobile and Wireless Communications - 免费下载
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There are few technologies that have had a more profound effect on people’s lives
than mobile communications. As recently as twenty years ago no one had a mobile
phone, while today 1.4 billion men, women and children depend on them. This now
exceeds the number of landline users, where it took the preceding one hundred years
to reach the 1 billion mark. The ability to make mobile voice calls turns out to be the
answer to a deeply felt need across different cultures who simply want to
communicate.
than mobile communications. As recently as twenty years ago no one had a mobile
phone, while today 1.4 billion men, women and children depend on them. This now
exceeds the number of landline users, where it took the preceding one hundred years
to reach the 1 billion mark. The ability to make mobile voice calls turns out to be the
answer to a deeply felt need across different cultures who simply want to
communicate.
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