Fourth-Generation Systems and New Wireless Technologies
Vijay K. Garg
6.1 Introduction
With the rapid development of wireless communication networks, it is expected that fourth-generation (4G) mobile systems will be launched within a decade. 4G mobile systems focus on seamless integration of existing wireless technologies including wireless wide area network (WWAN), wireless local area network (WLAN), and Bluetooth (see Figure 6.1). This is in contrast with third-generation (3G) mobile systems, which merely focuses on developing new standards and hardware. The recent convergence of the Internet and mobile radio has accelerated the demand for “Internet in the pocket,” as well as for radio technologies that increase data throughput and ...
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