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  2. Wireless Network System Components. A wireless network consists of several components that support communications using radio or light waves propagating through an air medium. Some of these elements overlap with those of wired networks, but special consideration is necessary for all of these components when deploying a wireless network.

  3. WLANs (Wireless Local Area Networks) are medium-range wireless networks that connect devices within a few hundred meters, such as Wi-Fi routers, laptops, smartphones, and tablets. WLANs use radio waves in the 2.4 GHz, 3.6 GHz, 4.9 GHz, 5 GHz, and 5.9 GHz bands and have a data rate of up to 10 Gbps.

  4. Jun 5, 2012 · Land-mobile wireless communication was first used in 1921 by the Detroit Police Department. In 1929, Vladimir Zworykin performed the first experiment of TV transmission. In 1933, Edwin H. Armstrong invented frequency modulation (FM).

  5. Wireless systems consist of wireless wide-area networks (WWAN) [i.e., cellular systems], wireless local area networks (WLAN) [4], and wireless personal area networks (WPAN) (see Figure 1.1) [17].

  6. A wireless system refers to a network that enables communication between devices without the need for physical wired connections. It utilizes antennas to transmit and receive data or signals, allowing for flexible and convenient connectivity.

  7. A wireless network refers to a computer network that makes use of Radio Frequency (RF) connections between nodes in the network. Wireless networks are a popular solution for homes, businesses, and telecommunications networks.

  8. Wireless System Architecture: How Wireless Works. What You Will Learn. After reading this chapter, you should be able to. Understand the components of a wireless network. Discover general wireless network architectural elements. Understand how information flows through a wireless network.

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