Abstract
The ever-growing demand for multimedia services anywhere, anytime has fostered the development of high data-rate wireless networks, and various standards have emerged. In this chapter, we briefly introduce three categories of wireless networks, the wireless local area networks (WLANs), wireless personal area networks (WPANs), and wireless body area networks (WBANs). Their coverage scales down from over a building to a house/home and finally to a body. Their resource management and MAC protocols have distinct features due to different data rates, capacity, radio ranges, and application scenarios. The enabling physical-layer radio frequency (RF) transmission technologies, MAC schemes, and standardizations of the three kinds of networks are summarized, with the objective to provide readers with a preliminary understanding of the design philosophies and implementation requirements.
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