'Csma ca' presentation slideshows

802.15.4

802.15.4. Samer Shammaa Telecommunications Eng. Dept. Dr. Pramode Verma. Outline. Introduction WSN Applications Topologies Architecture Physical Layer MAC Layer Superframe structure. Introduction. Until recently, the main concern in wireless communication was on high throughput

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Introducing Wireless LANs

Introducing Wireless LANs. BCMSN Module 6 Lesson 1 & 2. Objectives. Describe the different wireless data technologies that are currently available Describe wireless LANs Distinguish WLANs from other wireless data networks Describe similarities and differences between WLANs and wired LANs

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Wi-Fi Standards

Wi-Fi Standards. Lucy Nguyen Corey Trouard Zack Wepasnick. Wi-Fi. 802.11. Hardware. 802.11. Software. 802.11. Wireless Network Modes. 802.11. Range. 802.11. 802.11. BSSID, SSID, ESSID. BSSID, SSID, ESSID. BSSID, SSID, ESSID. 802.11 . Broadcasting Frequency. 2.4 GHz.

568 views • 43 slides

Access Methods for Mobile Ad Hoc Networks (MANET)

Access Methods for Mobile Ad Hoc Networks (MANET). Nishitha Ayyalapu KUID: 2335165. Outline. Introduction 2. Effect of Mobility on Protocol Stack 3. Challenges in Mobile Environment 4. Goals of MAC in MANET 5. Issues in Designing MAC for MANET 6. Performance Metrics

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Low-Energy Adaptive Clustering Hierarchy An Energy-Efficient Communication Protocol for Wireless Micro-sensor Networks

Low-Energy Adaptive Clustering Hierarchy An Energy-Efficient Communication Protocol for Wireless Micro-sensor Networks M. Aslam hayat. Overview. Introduction Radio Model Existing Protocols Direct Transmission Minimum Transmission Energy Static Clustering LEACH Performance Comparison

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Impact of IEEE 802.11n Operation On IEEE 802.15.4 Performance

Impact of IEEE 802.11n Operation On IEEE 802.15.4 Performance. Authors:. Date: 2008-11-11.

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Faculty of Computer Science & Engineering

Faculty of Computer Science & Engineering. Chapter 05. MAC and Physical Layers. Question 1. 1. Which of the following service sets can use distributed coordination function (DCF) mode? Choose all that apply. A. BSS B. IBSS C. ESS D. IESS. Question 2.

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Lec#5 part 2

Lec#5 part 2. Multiple Access Methods. Multiple Access Methods. Multiple Access Methods. When nodes or stations are connected and use a common link (cable or air) , called a multipoint or broadcast link, we need a multiple-access protocol to coordinate access to the link.

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Synchronization Requirements

Synchronization Requirements. Date: 2014-07-14. Authors:. Abstract. The synchronization between AP and multiple STAs is needed for some features, like UL OFDMA, UL MU MIMO and code based contention to improve the spectrum efficiency.

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Computer Communication & Networks

Computer Communication & Networks. Lecture 15 & 16 Datalink Layer: Wireless LANs http://web.uettaxila.edu.pk/CMS/coeCCNbsSp09/index.asp. Waleed Ejaz waleed.ejaz@uettaxila.edu.pk. Data Link Layer. Data Link Layer Topics to Cover. Error Detection and Correction.

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Distributed MU-MIMO Architecture Design Considerations

January 2018. Distributed MU-MIMO Architecture Design Considerations. Date: 2018-12-21. Authors:. January 2018. Introduction.

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Overview: Software System Architecture Software System Test

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CHAPTER 8 Wireless LAN

CHAPTER 8 Wireless LAN. Wireless Network concepts and standard Wireless LAN Security. Chapter Objective. On completion of this chapter, you will be able to perform the following tasks: Understand Wireless network concepts Understand Wireless LAN standard (IEEE802.11)

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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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OSI Physical Layer

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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 : Technical proposal of discovery for PAC Date Submitted: May 6 th , 2013 Source: Jinyoung Chun, Suhwook Kim, Han Gyu Cho (LG Electronics)

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802.11ah M2M Channel Access Performance

Date: 2011-09-19. 802.11ah M2M Channel Access Performance. Authors:. This presentation provides simulation results to show existing 802.11 CSMA/CA is sufficient to support machine-to-machine channel access (e.g. sensor use case) in 802.11ah. Abstract. Sensor applications traffic [1]

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Research of Mobility Emulation in wireless network

[Wireless TB Meeting ]. Research of Mobility Emulation in wireless network. Jungsik Yoon jsyoon@nm.gist.ac.kr Networked Media Lab Department of Information and Communication Gwangju Institute of Science and Technology (GIST) 2009. 9. 7. In this talk,.

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Network Access Methods

CSMA/CD, CSMA/CA and Token Passing. Network Access Methods . Mariani Haji Nayan (2011) Networking MTSSR - CIT. CSMA/CD. CSMA/CD (Carrier Sense Multiple Access/Collision Detection)

338 views • 4 slides