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 LAN Security – A Review Taranpreet Singh (100680826527)‚I.T (6th Sem)‚ S.B.B.S.I.E.T Abstract — Wireless local area network (WLAN) has been widely used in many sectors. The popularity gained is due to many reasons‚ such as ease of installation‚ installation flexibility‚ mobility‚ reduced cost-of-ownership‚ and scalability. However‚ regardless of the benefits mentioned above‚ WLAN have some security threats‚ in which anyone who use it or intend to use it should be aware of. This
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Data Transport in Wireless Networks Akinniyi Ojo‚ Alireza Ranjbar‚ Bastian Arjun Shajit‚ Behzad Savabi‚ Misikir Gebrehiwot‚ Robin Babujee Jerome‚ Setareh Roshan‚ Swapnil Pande Department of Communication Engineering‚ Aalto University School of Electrical Engineering‚ Espoo‚ Finland Abstract— The popularity of wireless networks used to access the Internet is increasing immensely. With huge advancements in the field of wireless technology‚ the Internet has slowly moved from a traditional wired
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ABSTRACT Title of Thesis: FREE-SPACE OPTICAL COMMUNICAITONS THROUGH A FOREST CANOPY Clinton Lee Edwards‚ Master of Science‚ 2004 Thesis Directed By: Professor Christopher C. Davis‚ Department of Electrical and Computer Engineering This paper models the effects of the leaves of mature broadleaf trees on air-to-ground free-space optical (FSO) communication systems operating through the leaf canopy. Ecological radiation transfer models are considered and the concept of Leaf Area Index
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As and when the signals are received‚ it will raise an alarm or a warning displaying the necessary message. II. COMPONENTS USED A.Zigbee Wireless Technology: Fig 1: Xbee module In earlier days the application of the wireless technology was limited mostly to simple point to point communication only replacing the cable based communication systems. The entire communication system itself became complex after the introduction
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Wireless Network Investigations Introduction The following paper will be prepared so that any team can handle a forensic investigation that has had wireless devices introduced to the crime scene. I will be walking through the steps that a forensic team will take when handling a wireless device. There will be a comprehensive list of each step an investigator will take in the investigative process. By the end of this report the forensic technicians in front of me will
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Wireless network standards Avery IT/241 06/11/2011 Sherry Desbrough Wireless Network Standards When it comes to communications‚ broadcasting signals‚ and staying within guidelines governed by the FCC and the IEEE here in the United States a system of standards have been developed in order to help the communications and information industry streamline their efforts to work together instead of against each other. Some people feel this is a good practice and conductive toward
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Introduction This lab will introduce you to wireless spectrum analysis and supports this week’s TCO. TCO 7: Given a situation requiring a wireless network solution‚ propose an appropriate design for a wireless network using radio frequency based methods. Background Wireless signals are invisible to the human eye. To see these signals‚ a tool such as a spectrum analyzer is required. In this lab‚ you will learn how to use a common spectrum analyzer‚ as you would in your career‚ to locate potential
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Wireless Electronic Notice Board with Multi Point Receivers using Zigbee Communication System Title of the project: Wireless Electronic Notice Board Domain: Wireless Communication Software: Embedded C‚ Keil‚ Proload Microcontroller: AT89S52 Power Supply: +5V‚ 750mA Regulated Power Supply Display: LED 5mm Crystal: 11.0592MHz Communication Device: Zigbee Module Applications: Colleges‚ Schools‚ offices‚ public utility places. ABSTRACT Notice Board is primary thing in any institution
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performance induces them to generate more wealth in total for society as a whole? What are the pros and cons of using statistical correlation between measured performance and compensation as evidence to support the idea that performance based compensation is a good policy to help increase wealth in society? C-level compensation has always been a hot button issue in the business community‚ especially if you ask the shareholders. There is a greater want and need for debate and transparency on this
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