
91network ConCePts and design
3.2.4 Wireless Network
Due to its exibility, mobility, maintainability, and scalability, wireless networks
are becoming more and more popular. Because no cabling is necessary, a wireless
network can signicantly reduce the cost of network construction. As wireless net-
work technologies improve, the speed of wireless data transmission is as fast as the
data transmission rate of a copper wire. e wireless network can use radio waves,
microwaves, and infrared to transmit data. Based on these transmission media,
dierent wireless technologies such as Wi-Fi, WiMAX, infrared, and Bluetooth
have been developed. e follow ...