'Persistent csma' presentation slideshows

????? Computer Networks

1.5k views • 135 slides

NETE0510 LANs and Hi-speed LANs

NETE0510 LANs and Hi-speed LANs. Dr. Supakorn Kungpisdan supakorn@mut.ac.th. Outline. LAN Overview Ethernet Token Ring FDDI. LAN Topologies. LAN Protocol Architecture. IEEE 802 Layers. Physical encoding/decoding of signals preamble generation/removal bit transmission/reception

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Media Access Protocols

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Random Access Networks

Random Access Networks. CSMA Families. References. Chapter 9 of the book. Throughput Analysis for Persistent CSMA Systems, HIDEAKI TAKAGI AND LEONARD KLEINROCK. IEEE TRANSACTIONS ON COMMUNICATIONS, VOL. COM-33, NO. 7, JULY 1985

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P561: Network Systems Week 2: Local Area Networks

P561: Network Systems Week 2: Local Area Networks. Tom Anderson Ratul Mahajan TA: Colin Dixon. Administrivia. Fishnet Assignment #1 Due next week (week 3), start of class Electronic turnin No class trawler (do that for Fishnet #2) Homework #1 On web site

942 views • 55 slides

2. Advanced Medium Access Control Protocols

2. Advanced Medium Access Control Protocols. 2.1 Traditional CSMA/CD 2.2 The 802.11 MAC Protocol for Wireless LANs. What is a LAN?. Definition A LAN ( Local Area Network) is a network for the bit-serial transmission of data between independent peer stations .

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Medium access control

Medium access control. COSC 6590. Design Challenges in WMNs. Hidden terminal problem Exposed terminal problem Control and management have to be distributed across all nodes. Multichannel networks: distributed channel selection channel assignment. Early MAC Schemes. ALOHA.

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Chapter 4 The Medium Access Sublayer

Chapter 4 The Medium Access Sublayer. Deal with broadcast networks and their protocols. The key issue is how to determine who gets to use the channel when there is competition for it. Broadcast channels are sometimes referred to as multiaccess channels or random access channels.

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Chapter 6

Multiple Radio Access. Chapter 6. Introduction Contention Protocols ALOHA Slotted ALOHA CSMA (Carrier Sense Multiple Access) CSMA/CD (CSMA with Collision Detection) CSMA/CA (CSMA with Collision Avoidance). Outline. Multiple access control channels

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Data and Computer Communications

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CS 313 Introduction to Computer Networking & Telecommunication

CS 313 Introduction to Computer Networking & Telecommunication. Medium Access Control Sublayer. Topics. Introduction Channel Allocation Problem Multiple Access Protocols CDMA. Introduction. Broadcast networks Key issue: who gets to use the channel when there is competition

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CSE 461: Multiple Access Networks

CSE 461: Multiple Access Networks. This Lecture. Key Focus: How do multiple parties share a wire? This is the Medium Access Control (MAC) portion of the Link Layer Examples of access protocols: Aloha CSMA variants Classic Ethernet Wireless. Application. Presentation. Session.

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Station A begins transmission at t =0

Station A begins transmission at t =0. A. Station A captures channel at t = t prop. A. CSMA Random Access Scheme. P-Persistent CSMA. sensing. Performance of non-persistent CSMA. S. 0.81. Non-Persistent CSMA. 0.01. 0.51. 0.14. 0.1. G. 1. Performance of 1-persistent CSMA. S.

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ Non-persistent CSMA Mechanism ] Date Submitted: [Nov. 2006 ] Source: [Pei Liu, Liang Li ] Company: [Hisilicom Technology Co. Ltd, Vinno Technologies Inc. ]

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ Non-persistent CSMA Mechanism ] Date Submitted: [Mar 2008 ] Source: [Paul Dixon, Pei Liu, Liang Li] Company: [Hisilicom Technology Co. Ltd, Vinno Technologies Inc. ]

223 views • 13 slides

Medium Access Control Protocols, Local Area Networks, and Wireless Local Area Networks

Medium Access Control Protocols, Local Area Networks, and Wireless Local Area Networks. Lecture Note 10. Medium Access Control Protocols and Local Area Networks. Part I: Medium Access Control Part II: Local Area Networks Part III: Wireless Local Area Networks.

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198 views • 12 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ Non-Persistent CSMA Mechanism ] Date Submitted: [Nov. 2006 ] Source: [Pei Liu, Liang Li ] Company: [Hisilicom Technology Co. Ltd, Vinno Technologies Inc. ]

356 views • 10 slides