'Aloha' diaporamas de présentation

The Medium Access Control Sublayer

The Medium Access Control Sublayer. Chapter 4. The Channel Allocation Problem. Static Channel Allocation in LANs and MANs Dynamic Channel Allocation in LANs and MANs. Dynamic Channel Allocation in LANs and MANs. Station Model. Single Channel Assumption. Collision Assumption.

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LANs Local Area Networks via the Media Access Control (MAC) Sub Layer

Computer Networks. LANs Local Area Networks via the Media Access Control (MAC) Sub Layer. LANs Outline. Channel Allocation Problem Relative Propagation Time LAN Utilization Upper Bound Multiple Access Protocols TDMA, FDMA Aloha, Slotted Aloha CSMA (non-persistent, 1-persistent,

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LANs Local Area Networks via the Media Access Control (MAC) Sub Layer

Advanced Computer Networks D 12. LANs Local Area Networks via the Media Access Control (MAC) Sub Layer. LANs Outline. Channel Allocation Problem Relative Propagation Time LAN Utilization Upper Bound Multiple Access Protocols TDMA, FDMA Aloha, Slotted Aloha

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CMPE 257: Wireless and Mobile Networking SET 3b:

CMPE 257: Wireless and Mobile Networking SET 3b: . Medium Access Control Protocols. Channel Access Schemes. Contention based schemes ALOHA, CSMA/CA (FAMA, MACA, MACAW, IEEE 802.11) : with/without RTS/CTS handshakes. Difficulties: not scalable, fairness, QoS. Scheduled schemes

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Link Layer

Link layer services Error detection and correction Multiple access protocols 5.4 Link-Layer Addressing 5.5 Ethernet. 5.6 Hubs and switches. Link Layer. Link Layer Services: Framing, reliable transfer, error detection/correction Error Detection and Correction Techniques: Parity Checks

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Section 5.1 Explain why standards are necessary for networking

Section 5.1 Explain why standards are necessary for networking Explain how an Ethernet network functions List Ethernet classifications Section 5.2 Explain how a token-passing network functions List wireless network classifications Explain how wireless transmissions are sent.

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What is HAZUS-MH?

What is HAZUS-MH?. HAZUS-MH is a planning tool that estimates damage and losses resulting from natural hazards. It is an estimation tool, NOT a deterministic tool It is a planning tool, NOT an engineering tool

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The ABC Book of Hawaii

The ABC Book of Hawaii. A~ Animal. Hawaii's state animal is the Monk Seal. Mature Monk Seals have a gray coat that turn brown with the weather. Young seals are silver with a white stomach, chest, and, throat. B~ Bird.

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Social Networking

Social Networking. WEB 2.0 This Powerpoint can be found at my website: http://www2.hawaii.edu/~kirkpatr/think_tank. Wikipedia, a good example of Web 2.0. is a Socially Networked encyclopedia.

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Institutionalizing the ePortfolio

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Simulation of Multiple Access Protocols

Simulation of Multiple Access Protocols. Presented by: Group 2. Multiple Access Protocols. The following Multiple Access Protocols are considered: Pure ALOHA Slotted ALOHA Nonpersistent Carrier Sense Multiple (CSMA) Slotted nonpersistent Inhibit Sense Multiple ( np -ISMA).

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Data Communications and Computer Networks Chapter 5 CS 3830 Lecture 26

Data Communications and Computer Networks Chapter 5 CS 3830 Lecture 26. Omar Meqdadi Department of Computer Science and Software Engineering University of Wisconsin-Platteville. CSMA (Carrier Sense Multiple Access). CSMA : listen before transmit:

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Kulanakauhale A Model Community

Kulanakauhale A Model Community. Self Contained Self Sustained Press Space Bar to Continue . A Model Community Concept. The Kulanakauhale project.

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LEPC Update

LEPC Update. Susan Parker DEQ MI SARA Title III Program Jim Breuker & Jay Eickholt MSP-EMHSD. Online Database Statistics (as of 9-20-2011). 7538 Active Facilities 6688 Subject to section 312 (Tier Two reporting)

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Review of the 2010 Central Pacific Tropical Cyclone Season and Preliminary Verification

Review of the 2010 Central Pacific Tropical Cyclone Season and Preliminary Verification. National Weather Service Central Pacific Hurricane Center Honolulu, Hawaii. NOAA Hurricane Conference 30 November 2010. Raymond Tanabe Deputy Director, CPHC.

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Aloha

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? 201 21 ? ???

? 201 21 ? ???. About Sofitel Hotel. Sofitel Hotels is a multinational luxury hotel, its chain of hotels located in 40 countries and regions, a total of 192 stores. First Sofitel in 1964 in Strasbourg, France. Hotel Inquiry. Please wait for a representative... Agent Ashely joined .

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Uke With No Name

Uke With No Name. Verse. Am / / /. E / / /. Am / / /. Am / / /. C / / /. G / / /. C / / /. E / / /. Refrain. Am

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Farewell to our HRO

Farewell to our HRO. You are cordially invited to attend a retirement luncheon in honor of Colonel Randall Tom Hawaii National Guard Human Resources Officer Friday, June 29, 2012, 11:00 a.m. Hale Ikena Courtyard, Fort Shafter. Uniform : Aloha Attire

203 views • 1 slides