notice-ch15-210 - Chapter 15 Wireless communication is one...

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Chapter 15: Wireless communication is one of the fastest-growing technologies. T Wireless : The demand for connecting devices without the use of cables is increasing everywhere. Wireless LANs can be found on college campuses, in office buildings, and in many public areas. Before we discuss a specific protocol related to wireless LANs, let us talk about them in general. Architectural Comparison: Isolated LANs wired vs ad hoc network for wireless. Connection of a wired LAN by wired internet and infrastructure network for a wireless LAN. Characteristics: There are several characteristics of wireless LANs that either do not apply to wired LANs or the existence of which is negligible and can be ignored. T So important I think: Why The CSMA/CD algorithm does not work in wireless LANs for three reasons? 1. Wireless hosts do not have enough power to send and receive at the same time. 2. The hidden station problem prevents collision detection 3. The distance between stations can be great .
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