Transcription of Cellular systems: multiple access and interference management
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Cellular systems: multiple access and interference management
CHAPTER4 Cellular systems: multiple accessand interference IntroductionIn Chapter 3, our focus was onpoint-to-pointcommunication, , the sce-nario of a single transmitter and a single receiver. In this chapter, we turn toanetworkof many mobile users interested in communicating with a commonwireline network form of wireless communication is dif-ferent from radio or TV in two important respects: first, users are interested inmessages specific to them as opposed to the common message that is broad-cast in radio and TV. Second, there is two-way communication between theusers and the network. In particular, this allows feedback from the receiver tothe transmitter, which is missing in radio and TV. This form of communica-tion is also different from the all-wireless walkie-talkie communication sincean access to a wireline network infrastructure is systemsaddress such a multiuser communication scenario and form the focus of speaking, two types of spectra are available for commercial cel-lular systems.
wireline network infrastructure.1 This form of wireless communication is dif-ferent from radio or TV in two important respects: first, users are interested in messages specific to them as opposed to the common message that is broad-cast in radio and TV. Second, there is two-way communication between the users and the network.
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