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Computer Networking Local Area Networks, Medium Access Control and Ethernet

Computer Networking Local Area Networks, Medium Access Control and Ethernet

Computer Networking Local Area Networks, Medium Access Control and Ethernet. Dr Sandra I. Woolley. Contents. Network Types Broadcast Networks Medium Access Control Random Medium Access ALOHA Slotted ALOHA CSMA CSMA-CD Scheduled Medium Access Reservation Polling. Basic Network Types.

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1.02k views • 82 slides
S-72.1130 Telecommunication Systems

S-72.1130 Telecommunication Systems

S-72.1130 Telecommunication Systems. Wireless Local Area Networks. Outline. LAN basics Structure/properties of LANs WLANs Link layer services Media access layer frames and headers CSMA/CA Physical layer frames modulation Frequency hopping Direct sequence Infrared Installation

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715 views • 70 slides
Local Area Networks

Local Area Networks

Local Area Networks. Basic Concept. Introduction A local area network is a communication network that interconnects a variety of data communicating devices within a small geographic area and broadcasts data at high data transfer rates with very low error rates.

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527 views • 33 slides
CIS 725

CIS 725

CIS 725. Media Access Layer. Medium Access Control Sublayer. MAC sublayer resides between physical and data link layer Broadcast/multiacess channels N independent stations - each station generates traffic independently - if two transmit at the same time, both frames

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366 views • 25 slides
COMPUTER NETWORKS Data-link Layer (The Medium Access Control Sublayer)

COMPUTER NETWORKS Data-link Layer (The Medium Access Control Sublayer)

MAC Sublayer. COMPUTER NETWORKS Data-link Layer (The Medium Access Control Sublayer). MAC Sublayer. Questions to be answered ? In broadcast networks, How the channel is divided between competing users? What is Medium Access Control (MAC)?

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864 views • 25 slides
Review: Medium Access Control Sublayer What is the problem to be addressed in this sublayer? Protocols that allow collis

Review: Medium Access Control Sublayer What is the problem to be addressed in this sublayer? Protocols that allow collis

Review: Medium Access Control Sublayer What is the problem to be addressed in this sublayer? Protocols that allow collision Pure ALOHA Slotted ALOHA CSMA CSMA/CD Collision free protocols: bitmap method, binary countdown and token. Collision free protocols: Token pass.

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514 views • 15 slides

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