'Exponential backoff' presentation slideshows

Consensus and Collision Detectors in Wireless Ad Hoc Networks

Consensus and Collision Detectors in Wireless Ad Hoc Networks. Consensus and Collision Detectors in Wireless Ad Hoc Networks. Consensus and Collision Detectors in Wireless Ad Hoc Networks. Wireless Ad Hoc Networks. Wireless Ad Hoc Networks. Challenges: Unknown number No unique ids

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Idle Sense:

Idle Sense:. An Optimal Access Method for High Throughput and Fairness in Rate Diverse Wireless LANs. Presented by Nikki Benecke, October 10 th , 2006 for CS577. Martin Heusse Franck Rosseau Romaric Guillier Andrzej Duda. Objective:.

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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

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Data Communications and Networking

Data Communications and Networking. Chapter 9 High Speed LAN s and Wireless LANs References: Book Chapters 16 and 17 Data and Computer Communications, 8th edition By William Stallings. Outline. Fundamentals of Ethernet ALOHA, slotted ALOHA, CSMA CSMA/CD Ethernet Examples

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Review of MAC protocols

Review of MAC protocols. channel partitioning, by time, frequency or code Time Division, Frequency Division random access (dynamic), ALOHA, S-ALOHA, CSMA, CSMA/CD carrier sensing: easy in some technologies (wire), hard in others (wireless) CSMA/CD used in Ethernet CSMA/CA used in 802.11

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CSCI-1680 Wireless

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Lecture 4 Wireless Medium Access Control

Prof. Shamik Sengupta Office 4210 N ssengupta@jjay.cuny.edu http://jjcweb.jjay.cuny.edu/ssengupta/ Fall 2010. Lecture 4 Wireless Medium Access Control. Medium Access Control (MAC). Base Station. Forward link. Reverse link. Mobile Station. Mobile Station. Mobile Station.

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IEEE 802.11 (MAC)

On Optimizing Backoff Counter Reservation and Classifying Stations for the IEEE 802.11 Distributed Wireless LANs. IEEE 802.11 (MAC). DCF - Distributed Coordination Function PCF - Point Coordination Function CSMA/CA with binary exponential backoff. DCF Enhancements.

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IEEE 802.11 (MAC)

On Optimizing Backoff Counter Reservation and Classifying Stations for the IEEE 802.11 Distributed Wireless LANs. IEEE 802.11 (MAC). DCF - Distributed Coordination Function PCF - Point Coordination Function CSMA/CA with binary exponential backoff. DCF Enhancements.

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Removing Exponential Backoff from TCP

Removing Exponential Backoff from TCP. Amit Mondal Aleksandar Kuzmanovic EECS Department Northwestern University. http://networks.cs.northwestern.edu. TCP Congestion Control. Slow-start phase Double the sending ... ... rate each round-trip ... time

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Data Link Layer

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Network Topologies & Standards

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Transportation Protocols: UDP, TCP & RTP

Lecture 11. Transportation Protocols: UDP, TCP & RTP. Transportation Functions UDP (User Datagram Protocol) Port Number to Identify Different Applications Server and Client as well as Port TCP (Transmission Control Protocol) - TCP Segment Format and Delivery

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DL MU MIMO Analysis and OBSS Simulation Results

DL MU MIMO Analysis and OBSS Simulation Results. Authors:. Date: 2010-05-15. Outline. Motivation Overview of simulated schemes DL MU MIMO with polled ack DL MU MIMO with scheduled ack Overview of MAC protection Overview of error handling at the AP Two medium access behaviors

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Reactive Spin-locks: A Self-tuning Approach

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TCP III - Error Control

TCP III - Error Control. TCP Error Control. ARQ Error Control. Two types of errors: Lost packets Damaged packets Most Error Control techniques are based on: 1. Error Detection Scheme (Parity checks, CRC). 2. Retransmission Scheme.

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Review: Ethernet What is the MAC protocol in Ethernet? CSMA/CD Binary exponential backoff

Review: Ethernet What is the MAC protocol in Ethernet? CSMA/CD Binary exponential backoff Is there any relationship between the minimum frame size and the network speed? What is the difference between fast Ethernet and Ethernet besides speed? Why such a change is made?. Interconnecting LANs

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CS 4396 Computer Networks Lab

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Comments on LAA EVM

Comments on LAA EVM. Authors:. Date: 2015-01-14.

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Selfishness in Transactional Memory

Game Theory meets Multicore Architecture. Selfishness in Transactional Memory. Raphael Eidenbenz, Roger Wattenhofer. D istributed C omputing G roup. Transactional Memory. Multicore Architecture Parallel concurrent threads Communication through shared memory

217 views • 9 slides