| | WRET3105 NETWORK AND DATA COMMUNICATION Assignment 4 Semester 1‚ session 2011/2012 Submitted by: Student | : | Nadiah binti Zainudin | Student No. | : | WET080011 | Instructor | : | Saeid Abolfazli | Date | : | 2nd Nov 2011 | ------------------------------------------------- Questions: 1. What is QoS? Why QoS is important and how QoS is measured? 2. What is management of QoS? ------------------------------------------------- -------------------------------------------------
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Ad Hoc Wireless Networks :Architectures and Protocols Description Appropriate for all communications engineering courses that cover ad hoc wireless network planning‚ design‚ deployment‚ or management. Ad hoc wireless networks bring together mobile devices without complex infrastructure‚ setup‚ or administration-and they have enormous commercial and military potential. Ad Hoc Wireless Networks: Architectures and Protocols is the first book to address every major issue related to their design
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[pic] Course Title: DATA COMMUNICATION & NETWORKS Instructor: Pushpendra Sharma Term: Four [pic] Introduction: The course focuses on the term and practical orientation of Network Infrastructure and other software to enable students to apply the skills for Data Communication and knowledge to solve network problem in functional area of network management. Learning Objectives: The course will develop the skills to manage business telecommunication and network infrastructures.
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Comparision of 3G Wireless Networks and 4G Wireless Networks: 1 1 Arun Kumar‚ 2Suman and 3Renu Lecturer‚ ECE‚ Eiilm University‚ Jorethang‚ Sikkim 2&3 Perusing M.Tech.‚ HCTM College‚ Hrayana Abstract By examining the two papers on 4G and 3G‚ namely wireless networks: opportunities and challenges by Hassan Gobjuka‚ Verizon‚ 919 hidden bridge irving‚ Tx 75038 and wireless network: opportunities and challenges emphasis us to throw light on the differences between the two networks. This task
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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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Network security Security has moved to the forefront of network management and implementation. The overall security challenge is to find a balance between two important requirements: the need to open networks to support evolving business opportunities‚ and the need to protect private‚ personal‚ and strategic business information. The application of an effective security policy is the most important step that an organization can take to protect its network. It provides guidelines about the activities
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Implementation of Security for Wireless Network R.Sridevi (Asst.Prof) Department of Computer Science PSG College of Arts & Science Coimbatore‚ TN. srinashok@gmail.com Abstract -This paper addresses the internal and the external security challenges in organizations that implements wireless networks. Distributed security is designed to provide a more secure data communication among faculty members‚ staff and students. A description of the technique used to protect and keep PC ’s up and
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for the people how far apart they are. After this radio based communication systems Era started. It was an extension of wired based networks. In the beginning it was developed for some special purposes like military and police usage. With the passage of time these systems emerged to allow common peoples to communicate with each other‚ rather then using wired based network. After this the age of faster communication and capabilities of voice get started and evolved into new telecommunication system.
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Network Security Applications and Countermeasures |Domains |CIA Functions | | |Ethical Hacker |User domain |Confidentiality | |Intrusion Detection system / intrusion |WAN Domain |Integrity | |prevention system | | | |Access controls
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chart 3G 4G Data Throughput Up to 3.1Mbps with an average speed range between 0.5 to 1.5 Mbps Practically speaking‚ 2 to 12 Mbps (Telstra in Australia claims up to 40 Mbps) but potential estimated at a range of 100 to 300 Mbps. Peak Upload Rate 5 Mbps 500 Mbps Peak Download Rate 100 Mbps 1 Gbps Switching Technique packet switching packet switching‚ message switching Network Architecture Wide Area Cell Based Integration of wireless LAN and Wide area. Services And Applications CDMA
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