May 2013
Intermediate to advanced
522 pages
14h 31m
English
Content preview from Wireless Mobile Internet Security, 2nd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3
Global Trend of Mobile Wireless Technology
This chapter presents an outline of the evolution and migration from first-generation (1G) to third-generation (3G) mobile radio technologies, moving rapidly from 1G circuit-switched analog voice-only communications to 2G, 2.5G, and 3G packet-switched voice and data mobile wireless communications.
This chapter covers the technological development of wireless mobile communications in compliance with each iterative generation over the past decade. At present, mobile data service has been rapidly transforming to facilitate and ultimately profit from the increased demand for nonvoice service. Through aggressive 3G deployment plans, the world's major operators boast attractive and homogeneous portal offerings in all of their markets, notably in data, audio, and video multimedia application services. Despite the improbability of any major changes in the next 4–5 years, rapid technological advances have already bolstered talks for 3.5G and even 4G systems. New All-IP Wireless systems to reach a position to compete with current cellular networks; Wi-Fi technology, along with WiMAX (Worldwide Interoperability for Microwave Access) and TDD mode, may make it possible for new entrants to compete with incumbent mobile operators.
The chapter is separated into six parts and progresses in a systematic manner on wireless mobile communications.
3.1 1G Cellular Technology
1G technology refers to the earliest wireless networks. Data rates available ...
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