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Tree-Based Self-Initialization with Unique ID Assignment for Sensor Networks

Tree-Based Self-Initialization with Unique ID Assignment for Sensor Networks

Tree-Based Self-Initialization with Unique ID Assignment for Sensor Networks. By: ElMoustapha Ould-Ahmed-Vall For: ECE 8020 B Instructor: Gail Palmer April 7, 2005. Outline. Introduction: Sensor Network Motivation: Unique ID Assignment Proposed Algorithm Theoretical Analysis Future Work.

By shaylee
(162 views)

Link Layer: Introduction

Link Layer: Introduction

Terminology: hosts and routers are nodes communication channels that connect adjacent nodes along communication path are links wired links wireless links LANs layer-2 packet is a frame , encapsulates datagram. Link Layer: Introduction. data-link layer has responsibility of

By forbes
(125 views)

Service Discovery Proposal

Service Discovery Proposal

Service Discovery Proposal. Authors:. Date : 2013-7-16. Previous version in ISD SG as 802.11-12/0706 . For IEEE 802.11, knowledge of “services” supported by a device help in the selection of the appropriate STA/AP for subsequent communications Examples might include:

By lise
(81 views)

Content

Content

Content. Error detection and correction MAC sub-layer Ethernet Token Ring. Access Protocols. Who gets to use the channel next? Fixed/Static assignment Demand assignment Contention Turn-Based . Contention Access Protocols . No coordination between hosts

By kanoa
(170 views)

ECE 4450:427/527 - Computer Networks Spring 2014

ECE 4450:427/527 - Computer Networks Spring 2014

ECE 4450:427/527 - Computer Networks Spring 2014. Dr. Nghi Tran Department of Electrical & Computer Engineering. Lecture 5.4: Multiple Access Protocols. Link Layer: Five Common Problems. Basic problem: you can’t just send IP datagrams over the link!

By xiang
(129 views)

HEW Evaluation Metrics

HEW Evaluation Metrics

HEW Evaluation Metrics. Date : 2014-01-20. Authors:. Background. HEW Evaluation Metrics (1) Evaluation metrics is important to evaluate WLAN system performance and to achieve the goal of HEW

By taya
(182 views)

CSMA Enhancement Suggestion

CSMA Enhancement Suggestion

CSMA Enhancement Suggestion. Date: 2014-05-12. Authors:. Abstract. CSMA/CA mechanism used in 802.11 is good for low density WLAN deployment. However the use cases that HEW is to address are for high density deployment.

By lorne
(105 views)

MAC Efficiency Analysis for HEW SG

MAC Efficiency Analysis for HEW SG

MAC Efficiency Analysis for HEW SG . Authors:. Date: 2013-05-13. Dense deployments of 802.11 STAs were discussed in WNG SC as usage models for HEW SG (see reference list) Wireless Office Cellular offload (home, corporate, hotspot) Residential / apartment building Shopping mall

By kaethe
(132 views)

Chapter 5 Link Layer

Chapter 5 Link Layer

CPE 400 / 600 Computer Communication Networks. Lecture 21. Chapter 5 Link Layer. slides are modified from J. Kurose & K. Ross. Some terminology: hosts and routers are nodes communication channels that connect adjacent nodes along communication path are links wired links wireless links

By eliora
(74 views)

UMTS simulator

UMTS simulator

UMTS simulator. Alberto Bona, Maurizio Conti. Politecnico di Torino. Scenario(1). General Assumption: Simulator time step is equal to 1 frame (10 ms) Advantages: Bit rate can be varied every TTI Transport channel accuracy Simpler and faster Limitations:

By tawny
(137 views)

P²-ROTECT – Prediction, Protection & Reduction of Orbital Exposure to Collision Threats

P²-ROTECT – Prediction, Protection & Reduction of Orbital Exposure to Collision Threats

P²-ROTECT – Prediction, Protection & Reduction of Orbital Exposure to Collision Threats. Jeffrey Apeldoorn et al. Overview of the Presentation. Context Project Project Consortium & Personal Introduction Protection Solutions against Space Debris Conclusions & Next Steps

By ayita
(153 views)

Provision of Multimedia Services in 802.11-based Networks

Provision of Multimedia Services in 802.11-based Networks

Provision of Multimedia Services in 802.11-based Networks. Colin Roby CMSC 681 Fall 2007. Overview. 1. Multimedia Streaming in 802.11 Networks. 2. 802.11e Mac Layer Enhancement. 3.Sustain Quality of Service in WLAN. 4. Challenges for Quality of Service Provision.

By gzifa
(112 views)

Basic Physics of Nuclear Reactors

Basic Physics of Nuclear Reactors

Basic Physics of Nuclear Reactors. Prof. Paddy Regan, Dept. of Physics University of Surrey Guildford, UK. Feb, 2014. Several components are important for a controlled nuclear reactor: Fissionable fuel Moderator to slow down neutrons

By arlen
(242 views)

TOWARD A COMPLETE CONTROL FRAMEWORK FOR ADAPTIVE CAPACITY ALLOCATION IN MOBILE DVB-RCS

TOWARD A COMPLETE CONTROL FRAMEWORK FOR ADAPTIVE CAPACITY ALLOCATION IN MOBILE DVB-RCS

TOWARD A COMPLETE CONTROL FRAMEWORK FOR ADAPTIVE CAPACITY ALLOCATION IN MOBILE DVB-RCS. Nedo Celandroni*, Franco Davoli°, Erina Ferro*, Alberto Gotta*, Raffaello Secchi *. *ISTI-CNR, Area della Ricerca del C.N.R., Via Moruzzi 1, I-56124 Pisa, Italy

By monifa
(133 views)

Frame Delay Distribution Analysis of 802.11 Using Signal Flow Graphs

Frame Delay Distribution Analysis of 802.11 Using Signal Flow Graphs

19 th FFV Workshop. Frame Delay Distribution Analysis of 802.11 Using Signal Flow Graphs. Ralf Jennen Communication Networks Research Group RWTH Aachen University, Faculty 6, Germany FFV Workshop, 11.03.2011. Outline. Scenarios Distributed Coordination Function (DCF) in IEEE 802.11

By julie
(96 views)

Author: Paul Horaţiu P ă traş Advisor: Dr. Albert Banchs Roca

Author: Paul Horaţiu P ă traş Advisor: Dr. Albert Banchs Roca

Control-Theoretic Adaptive Mechanisms for Performance Optimization of IEEE 802.11 WLANs: Design, Implementation and Experimental Evaluation. Author: Paul Horaţiu P ă traş Advisor: Dr. Albert Banchs Roca. Outline. Motivation & Background Centralized Adaptive Control (CAC) Algorithm

By kamil
(131 views)

Why Simple Hash Functions Work : Exploiting the Entropy in a Data Stream

Why Simple Hash Functions Work : Exploiting the Entropy in a Data Stream

Why Simple Hash Functions Work : Exploiting the Entropy in a Data Stream. Michael Mitzenmacher Salil Vadhan. How Collaborations Arise…. At a talk on Bloom filters – a hash-based data structure. Salil: Your analysis assumes perfectly random hash functions. What do you use in your experiments?

By barto
(102 views)

Cross-Layer Protocol Design and Optimization for Delay/Fault-Tolerant Mobile Sensor Networks

Cross-Layer Protocol Design and Optimization for Delay/Fault-Tolerant Mobile Sensor Networks

Cross-Layer Protocol Design and Optimization for Delay/Fault-Tolerant Mobile Sensor Networks. IEEE J ournal of S elected A reas in C ommunications, 2008 Yu Wang, Hongyi Wu, Feng Lin, and Nian-Feng Tzeng Presented by Hanjin Park (September 16, 2008) Computer Network Lab. Contents.

By derry
(150 views)

The Final Present

The Final Present

The Final Present . Lee Jeng-Shiou Computer Network of E.E. Outline. Throughput Analysis Review for Single-hop Networks Throughout Analysis for Multi-hop Networks Mathematical Analysis of the String Topology Analytical and Simulation Results

By elmer
(133 views)

Beyond Co-existence: Exploiting WiFi White Space for ZigBee Performance Assurance

Beyond Co-existence: Exploiting WiFi White Space for ZigBee Performance Assurance

Beyond Co-existence: Exploiting WiFi White Space for ZigBee Performance Assurance. Jun Huang 1 ,  Guoliang Xing 1 ,  Gang Zhou 2 , Ruogu Zhou 1 1 Michigan State University,  2 College of William and Mary. ZigBee Networks. Low communication power (10~50 mw) Application domains

By caesar-owen
(215 views)

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