Packet transmission time - PowerPoint PPT Presentation

Physical Layer

Physical Layer. Radio Models: modulation, encoding, antenna, “capture” Propagation models: free space; fading Multiplexing (bandwidth sharing): FDMA, TDMA, CDMA. MAC Layer. Media Access Control protocol: coordination and scheduling of transmissions among competing neighbors

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Medium Access Control

Medium Access Control. Zhibin Wu. Lecture Overview. Introduction Random Access Aloha Slotted Aloha CSMA CSMA/CD CSMA/CA Scheduled Access TDMA Dynamic TDMA Spread-Spectrum/CDMA. Medium Access Sublayer. network. Medium access (MAC) sublayer is not relevant on point-to-point links

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788 views • 45 slides

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