EC2043 WIRELESS NETWORKS UNIT I PHYSICAL AND WIRELESS MAC LAYER ALTERNATIVES PART – A (2 Marks) 1. Name five design consideration in selecting a modulation scheme for a wireless networks. 2. Why is out of band of radiation an important issue in designing modulation scheme? 3. Why is PPM used with IR communication instead of PAM? 4. Name four space diversity techniques. 5. What are the advantages of high efficiency voice band modems
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Wireless Network Plan Deployment Scenario The Infrastructure deployment scenario is recommended for Apex Designs’ Conference Center. Deployment Scenario Reasoning The Infrastructure deployment scenario will allow for wireless access points (WAPs) to be connected to the existing wired network allowing employees with wireless devices the ability to access the company’s network. This is a commonly used method of enhancing an existing wired network while adding the benefit of mobility to employees
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4G Wireless Networks By Ja’Kedrick Pearson Professor Darlene Ringhand CIS 500 February 03‚ 2013 4G Wireless Networks Mobile phones have become a crucial part of our daily life nowadays. Everyone‚ from teenagers to old men‚ carry a personal cell phone. They are a vital part of today’s on-demand‚ on-the-go society. Mobile phones today have changed dramatically from the mobile phones of the past. From the huge brick-like mobile phones of 1995 to sleek and stylish smartphones we
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Wireless Network‚ Security and Standards With the invention of wireless network access‚ every changing 802.11 standards and wireless home network being installation in every family’s household‚ many families have so much freedom when accessing the internet‚ photos‚ music and movies. The sharing of media is a big part of everyday life but the main problem with having unlimited‚ continuous connection for sharing such media is the threats to everyday use. Simple steps should and can be taken to ensure
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Routing in Wireless Sensor Networks: application on Fire Detection Abstract: this paper is about fire detection in building using a modified APTEEN routing protocol. Here we design a system called iFireControl which is a smart detection system for buildings‚ which is more water efficient than many current systems‚ while keeping its robustness. introduction A Wireless Sensor network (WSN) consists of spatially distributed autonomous sensors to monitor physical or environmental conditions‚
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How safe is your wireless network? Ever since the introduction of the first mobile computer device‚ there has been a growing need and want for more and more mobile computing devices. Once users got the first taste of harnessing the power of the mobile device that was all they needed. Today‚ you cannot walk down any public road or walk into a public building without seeing users talking and connecting to the internet via mobile devices. Today‚ there are two ways that data can be transmitted
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strongly believe that people who are on social network should protect their private information by themselves and never post anything that may be used against them. I believe that‚ if a person wants people to not know something about themselves‚ then they should not post it on a website that allows people to see it. Social networking sites are public places where a person can voluntarily post private data about themselves. Anyone who uses a social network site should realize that they have voluntarily
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WIRELESS NETWORK SECURITY – HOW SECURE IS IT? by Chris Bradley ITT Technical Institute Information Systems Security student November 23‚ 2010 Dr. French: This report on “Wireless Network Security” is submitted in accordance with your assignment for November 23‚ 2010. Sincerely‚ Chris Bradley ABSTRACT For this project‚ I asked the question “is wireless network protection truly safe?” My literature search led me to conclude that‚ if consumers use the most up-to-date
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Bluetooth Based Wireless Sensor Networks –Implementation Issues and Solutions Srdjan Krco Applied Research Lab‚ Ericsson Ireland Invited paper Abstract – Wireless sensor networks – networks of small devices equipped with sensors‚ microprocessor and wireless communication interfaces – are a technology that has gained a lot of interest lately. The broad spectrum of new and interesting applications‚ ranging from personal health-care to environmental monitoring and military applications‚ is proposed
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Handbook of Wireless Networks and Mobile Computing‚ Edited by Ivan Stojmenovic ´ Copyright © 2002 John Wiley & Sons‚ Inc. ISBNs: 0-471-41902-8 (Paper); 0-471-22456-1 (Electronic) HANDBOOK OF WIRELESS NETWORKS AND MOBILE COMPUTING WILEY SERIES ON PARALLEL AND DISTRIBUTED COMPUTING Series Editor: Albert Y. Zomaya Parallel and Distributed Simulation Systems / Richard Fujimoto Surviving the Design of Microprocessor and Multimicroprocessor Systems: Lessons Learned / Veljko Milutinovic ´ Mobile
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