3G UMTS technology: service the global system of mobile communications: a trading name of the third-generation technology. These criteria have been developed based on technical standards system called GSM sometimes Pal WCDMA 3.5G HSDPA: download system high-speed packet data: a technique supported by the 3G networks‚ allowing download Internet data at very high speeds. Ranging theoretical download speed between 1.8 and 7.2 Mbps As well as HSUPA: lifting system High-Speed Data Packet: and is
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Abstract Wireless telecommunication networks have drastically changed in the last few years. With technology advancing‚ cell phones and other mobile devices have become a part of our everyday functions for businesses and other personal aspects. But also with that advancement‚ networks such as 3G and 4G have exploded onto the market and competitors such as Verizon and AT&T have led the way in cornering the market with new devices and services. When consumers are in demand of services‚ they often
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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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Implementation of 4G Technology in Bangladesh Implementation of 4G Technology in Bangladesh Prepared For: Hasan Shirazi Lecturer School of Business. North South University Date: August 24‚ 2014 August 24‚2014 Hasan Shirazi. School of Business
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4G Wireless Networks Ellen King Dr. James Francisco CIS 500: Information Systems for Decision Making November 3‚ 2012 It has been known for centuries that information is power. What was not known for centuries was how to store information and knowledge in such a way that it can be accessed by everybody from anywhere‚ anytime. (Alrefai‚ AbuAli‚ & Mohammad‚ 2011) We rely on our cell phones‚ mobile computers and tablets more and more each day. We are always on the go and we like having
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Special Publication 800-48 Wireless Network Security Tom Karygiannis Les Owens 802.11‚ Bluetooth and Handheld Devices NIST Special Publication 800-48 Wireless Network Security 802.11‚ Bluetooth and Handheld Devices Recommendations of the National Institute of Standards and Technology Tom Karygiannis and Les Owens C O M P U T E R S E C U R I T Y Computer Security Division Information Technology Laboratory National Institute of Standards and Technology Gaithersburg‚ MD 20899-8930
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Wireless network refers to any type of computer network that uses wireless (usually‚ but not always radio waves) for network connections. It is a method by which homes‚ telecommunications networks and enterprise (business) installations avoid the costly process of introducing cables into a building‚ or as a connection between various equipment locations.[1] Wireless telecommunications networks are generally implemented and administered using radio communication. This implementation takes place
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1. Introduction Recent technological improvements have made the deployment of small‚ inexpensive‚ low-power‚ distributed devices‚ which are capable of local processing and wireless communication‚ a reality. Such nodes are called as sensor nodes. Each sensor node is capable of only a limited amount of processing. But when coordinated with the information from a large number of other nodes‚ they have the ability to measure a given physical environment in great detail. Thus‚ a sensor network can
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WIRELESS SENSOR NETWORK (Reshma Bhat‚ 3rd sem‚EC) Abstract A Wireless Sensor network (WSN) consists of spatially distributed autonomous sensors to cooperatively monitor physical or environmental conditions‚ such as temperature‚ sound‚ vibration‚ pressure‚ motion or pollutants. The development of wireless sensor networks was motivated by military applications such as battlefield surveillance and are now used in many industrial and civilian application areas‚ including industrial
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1. Introduction The increasing interest in wireless sensor networks can be promptly understood simply by thinking about what they essentially are: a large number of small sensing self-powered nodes which gather information or detect special events and communicate in a wireless fashion‚ with the end goal of handing their processed data to a base station. Sensing‚ processing and communication are three key elements whose combination in one tiny device gives rise to a vast number of applications
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