Contents 1. Overview 2. Predecessors of 4G 3.1 LTE 3.2 WiMAX 3.3 UMB (formerly EV-DO Rev. C) 3.4 Flash-OFDM 3. Objective and approach 4.5 Objectives 4.6 Approaches 4.7.1 Consideration points 4.7.2 Principal technologies 4. 4G features 5. Components 6.7 Access schemes 6.8 IPv6 support 6.9 Advanced Antenna Systems 6.10 Software-Defined Radio (SDR)
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Social Networking Rewind back 10 years‚ before the idea of Facebook‚ Twitter‚ and YouTube became a reality. The thought that people might someday spend more than half their day on a website such as Facebook was unthinkable. These social networks sites‚ along with hundreds more‚ were just a spark in designers’ mind. Social networking has made many effects upon society. With almost anyone having access to a computer‚ it has become easier to connect virtually with one another. The constant use of
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Network Security (Packet Sniffing) Outline Packet sniffing Sniffing in Hub Sniffing in Switch ARP (Address Resolution Protocol) ARP Spoofing Conclusion Packet Sniffing Overview Process of monitoring a network to gather information that may be useful Use by both “good guys” and “bad guys” Sniffing in Hub A sends a packet to D All stations will receive the packet including the Sniffer station A B Sniffer Hub C D Sniffing in
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Instructions for successfully completing Packet Tracer iLabs and iLab Reports: 1. Make sure that you understand the objective of the lab(s) and the requirements for successfully performing them. 2. Use this Lab Report template for all of your labs. Do not turn in separate documents for each lab or create your own document! Each lab is easily identified within this document. Note: It is a good idea to read over this template before performing your labs‚ so that you know what to expect
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Final Exam of Computer Networks (ICE 1230) 2008.5. 27. Answer in English and Total 15 points 1. Why is it said that packet switching employs statistical multiplexing? Contrast statistical multiplexing with the multiplexing that takes place in TDM. (1 point) Answer: In a packet switched network‚ the packets from different sources flowing on a link do not follow any fixed‚ pre-defined pattern. In TDM circuit switching‚ each host gets the same slot in a revolving TDM frame. 2. In BitTorrent
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10‚ 2014 Scrolling through social network on my phone had been my daily routine since my parents bought me a new phone to replace my old nostalgic Nokia phone. Since then me and my phone are inseparable. Just in luck for today because my lecturer asked each one of us to write a journal about social network. A lot of human behaviour or attitude can be observed through these social network. The first and by far the most important social network for me is Whatsapp. I’ll have a peek through
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ENTS 640 Networks and Protocols I Fall 2013 Solutions to Homework #5 Assigned: October 19; Due: October 24 H5.1 Write a Java application with a simple class inheritance hierarchy. As shown in the UML diagram below‚ it should consist of three classes. The Student class‚ representing a student’s personal and course registration information for a given semester‚ which will be the superclass. The two subclasses inheriting from the Student class are the FullTimeStudent class‚ representing a full-time
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The term “topology” in networking refers to the configuration of cables‚ computers‚ and peripherals. The six common used topologies in networking are: bus‚ star‚ ring‚ mesh‚ tree‚ and hybrid. The three major topologies that I will be discussing further in detail are: bus‚ star‚ and ring topology. Bus topology is probably considered the easiest of the network topologies. In a bus topology‚ the devices are connected to a central cable called the bus. The bus cable carries the transmitted message
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Never Die Network Based on Cognitive Wireless Network and Satellite System for Large Scale Disaster Noriki Uchiday‚ Kazuo Takahata Dept. of Informational Social Studies Saitama Institute of Technology 1690 Fusaiji‚ Fukaya‚ Saitama 369-2093‚ Japan fuchida‚ takahatag@sit.ac.jp Yoshitaka Shibata Faculty of Software and Information Science Iwate Prefectural University 152-52 Sugo‚ Takizawa‚ Iwate 020-0193‚ Japan shibata@iwate-pu.ac.jp Norio Shiratori Research Institute of Electrical Communication
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uses of fiber-optic cables Describe the primary types and uses of wireless media Compare and contrast the primary types and uses of different media CHAPTER 8 Network Media Types Network media is the actual path over which an electrical signal travels as it moves from one component to another. This chapter describes the common types of network media‚ including twisted-pair cable‚ coaxial cable‚ fiber-optic cable‚ and wireless. Twisted-Pair Cable Twisted-pair cable is a type of cabling
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