Network Security at OSI Layers Muhammad Muzammil Syed Zeeshan Nasir Department of computer science FUUAST‚ Islamabad 1-OSI Model: In 1983‚ the International Organization for Standardization (ISO) and the International Telegraph and Telephone Consultative Committee (CCITT) merged documents and developed the OSI model‚ which is based on a specific hierarchy where each layer builds on the output of each adjacent layer. The OSI model is a protocol stack where the lower layers deal primarily
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TOWARDS A BRIGHTER FUTURE FINAL YEAR PROJECT PROPOSAL FACULTY : ENGINEERING DEPARTMENT : ELECTRICAL AND ELECTRONICS ENGINEERING OPTION : ELECTRONICS AND TELECOMMUNICATION ENGINEERING PROJECT TITTLE : Design of a mesh network for full Wi-Fi coverage in 3D CASE STUDY : KIST master plan PROJECT NO ETE / 5FT / 11 / 02 SUBMITTED BY : REBE Roselyne MUCYO AUNALI Aswif NGANJORY MANZI Patrick GS20070527 GS20070257 GS20070756 Phone
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Chapter 3 Mobile Radio Propagation: Large-Scale Path Loss 1. (a) Explain the advantages and disadvantages of the 2-ray ground reflection model in the analysis of path loss. (b) What insight does the 2-ray model provide about large-scale path loss that was disregarded when cellular systems used very large cells? 2 .In a 2-ray ground reflected model‚ assume that must be kept below 6.261 radians for phase cancellation reasons. Assuming a receiver height of 2 m‚ and given a requirement that be less
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Different wireless companies such as T-Mobile‚ Sprint‚ AT&T‚ Verizon‚ and many other try to persuade you to believe that their wireless network is the best. IP networks form the backbone of worldwide digital networking. They have encouraged the merger of voice‚ data‚ and radio waves‚ which can be digitized into packets and sent via any digital network (Turban‚ Volonino). This convergence is happening on a much more global scale and is changing the way in which people‚ devices‚ and applications communicate
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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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Valique Davis Wireless Communications Wireless Communication is everywhere. People around the world regularly send and receive messages wirelessly‚ that is‚ transmitted through the air. Three types of wireless communications include wireless messaging services‚ wireless internet access points and global positioning systems People use mobile phones‚ PDA’s and other mobile devices to access text messages‚ instant messaging‚ and picture messaging services . Through text messaging services‚ users
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Wireless Communications Wireless communications are everywhere. People around the world regularly send and receive messages wirelessly‚ that is‚ transmitted through the air. Three types of wireless communications include wireless messaging services‚ wireless Internet access points‚ and global positioning systems. People use mobile phones‚ PDAs‚ and other mobile devices to access text messaging‚ instant messaging‚ and picture messaging services (Davies 34-42). Through text messaging services
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Technology and the End of Isolation Technology was one of many spectacular ways that helped Americans break free from what seemed to be a never ending time of isolation. There were so many hardships in the early years starting in 1865 that one living in those days may have not have been able to see an end in sight. Inventions as well as improvements in technology were about to be the answer to many of the physical and intellectual isolation problems of Americans. There were new methods to help
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Communications of the Association for Information Systems (Volume 11‚ 2003)79-93 79 CUSTOM MADE APPAREL AND INDIVIDUALIZED SERVICE AT LANDS’ END Blake Ives Information Systems Research Center University of Houston blake.ives@uh.edu Gabriele Piccoli Cornell University ABSTRACT The case describes a hugely successful example of IT-driven strategy‚ the Lands’ End custom tailored apparel initiative. In less than a year‚ 40% of Lands’ End customers buying chinos and jeans from the firm’s web site
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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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