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Free research papers and essays on topics related to: wireless

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  • Microwave Oven Effects On Wireless Lans - 1,275 words
    Microwave Oven Effects On Wireless Lans Microwave Oven Interference on Wireless LANs Operating in the 2.4 GHz ISM Band Abstract - Commercial microwave ovens as applied in restaurants have two magnetron tubes and compared to domestic kitchen counterparts they spread the higher RF power and radiated heating energy more evenly. The domestic kitchen or residential microwave ovens have only one magnetron tube. The interference from the commercial type of microwave ovens is more difficult to characterise than the interference from the residential ones. The commercial type of microwave ovens radiate a CW-like interference that sweeps over tens of MHz during the two bursts per mains power cycle. The ...
    Related: lans, microwave, microwave oven, wireless, physical layer
  • Wireless Communications - 1,596 words
    Wireless communications INTRODUCTION Wireless communications are becoming increasingly popular in todays fast paced world. Mobility, portability, and instant access (via the Internet) to unlimited information have become the mantra of businesses and individuals alike. The evolution of wireless communications has been incredibly quick and the future of this technology is unlimited. The impact of this technology on our lives will be tremendous and allow us to do things we never imagined. What Is Wireless Communication? The two main wireless services in use today are cellular and private packet radio. The service that is chosen will depend on the application(s) that a company or individual want ...
    Related: communication services, communications, communications commission, communications services, federal communications commission, wireless, wireless communications
  • Wireless Technology - 2,124 words
    Wireless Technology Wireless Technology applied to Computer Processing Wireless technology can provide many benefits to computing including faster response to queries, reduced time spent on paperwork, increased online time for users, just-in-time and real time control, tighter communications between clients and hosts. Wireless Computing is governed by two general forces: Technology, which provides a set of basic building blocks and User Applications, which determine a set of operations that must be carried out efficiently on demand. This paper summarizes technological changes that are underway and describes their impact on wireless computing development and implementation. It also describes ...
    Related: technology, wireless, wireless technology, standards committee, electromagnetic radiation
  • Wireless Technology - 2,058 words
    ... ss, you would have to use the same brand of network interface card throughout your network. Right now you are, for the most part, tied to whichever brand of wireless LAN you pick. Most of the products in this comparison listed their wireless protocol as Ethernet carrier sense multiple access/collision avoidance (CSMA/CA), a variation of standard Ethernet. Unfortunately, each vendor has put its own spin on CSMA/CA, which means even their protocols are incompatible. 5 Wireless services As technology progresses toward smaller, lighter, faster, lower power hardware components, more computers will become more and more mobile. For space concerns this paper will exclude any further discussion o ...
    Related: technology, wireless, wireless technology, operating systems, application software
  • Adc Telecommunications Financial Ratio Analasis - 1,403 words
    Adc Telecommunications Financial Ratio Analasis Accounting 6000 Financial Statement Analysis ADC Telecommunications October 29, 2000 Corporate Background ADC Telecommunications (ADCT) is a communication equipment manufacturer located in Minneapolis, Minnesota, USA. Since 1952, the company has successfully weathered the tumultuous transformation process of technology. Today, ADC Telecommunications exclusively focuses on manufacturing computer-networking equipment. Increasing demand for fiber optic transmission systems like asynchronous transfer mode (ATM), synchronous optical networks (SONET) and most wireless communications systems, provide significant opportunities for ADCT. The company cur ...
    Related: current ratio, financial ratios, financial statement, quick ratio, ratio, telecommunications, turnover ratio
  • Apple - 866 words
    Apple In past years, Apple was on a downward spiral, but now the Mac is back on the right track. The interim CEO Steve Jobs has brought them from expected quarterly loses to now, first quarter net income of some 150 millions dollars. The question still remains, is Apple back to stay? With the Windows driven world of today, can Apple assert them self to claim market share? Apples stunning new hardware, user-friendly operating system, and drive for incredible new technology, will not only compare Apple to traditional PC and software maker but will stun the rest of the computer world along the way. On July 21, 1999, PC Data released a report stating the iMac, Apples entry level personal compute ...
    Related: apple, steve jobs, computer company, search engines, faster
  • As The 21st Century Dawns Ahead Of Us, The Future Holds What Seems To Be The Best Advancements Of Our Civilization Man Has Co - 552 words
    As the 21st century dawns ahead of us, the future holds what seems to be the best advancements of our civilization. Man has come a long way since the first computer was invented. It is from that enormous monster that we have grown off of, (maybe that accounts for the hideous beige metal boxes computers are housed in). Then along came wires and at the present we are beginning the wire-less age. What lies beyond that may be the answer to all of man-kinds problems. Remember the brick? Also known as a crude cell phone, it marked the beginning of the cellular age. Because of that phone we now have a giant array of cellular phones and accessories. Sure, theres the ordinary cell phone that looks co ...
    Related: civilization, cell phone, internet browser, cell phones, protocol
  • Att Breakup - 829 words
    At&T Break-Up AT&T Breakup Our book talks about managing strategy and strategic planning. I chose to write my paper on AT&Ts recent breakup into four satellite companies. I intend to show how their past planning was not well-suited for their rapidly changing industry, and how they are now adjusting strategies and preparing for the uncertainties that the future holds. AT&T's voluntary breakup marks the end of the bigger-is-better era. For much of the 20th century, business strategy was relatively simple - scale up operations and expand market share. The greatest opportunities lay in providing standardized products, with incremental improvements, to a middle-class market. But the simple pursui ...
    Related: breakup, market share, wall street, business strategy, pursuit
  • Att Longdistance Monopooy - 1,063 words
    At&T Long-Distance Monopooy AT&T Long-distance Monopoly Is a monopoly a good thing? From the standpoint of economists, monopolies are anything but good. Economists believe that the perfect economy would be one that has many competitors with significantly low barriers to entry. Such an economy would greatly benefit the consumer due to the lower prices of the products. From a businessman's standpoint though, a monopoly is not so bad. The biggest threat to a company or firm is competition. Competition drives prices down resulting in less profit. The main goal of a businessman is to make a profit, which is hindered by competition. Generally, economists and businessmen do not see eye to eye on th ...
    Related: long distance, post office, bell system, transforming, selling
  • Att, Ncr, And Lucent Technologies - 590 words
    At&T, Ncr, And Lucent Technologies In 1996, AT&T decided to split into three different companies. These new companies were the new AT&T, NCR, and Lucent Technologies. Lucent Technologies is one of the leading designers, developers, and manufacturers of telecommunications systems, software, and products.1 They are beginning to emerge as a Fortune 40 company. Lucent Technologies builds local networks, business telephone systems, and consumer telephones that access the global networks.2 Lucent Technologies was launched with an initial public stock offering in April.3 AT&T owns an 82% share of the company.4 KEY PERSONNEL Lucent technologies has 125,000 employees worldwide. Approximately 82% of i ...
    Related: lucent technologies, initial public, executive committee, science and technology, relationships
  • Att, Tci To Merge, Create New - 317 words
    AT&T, TCI to Merge, Create New AT&T Consumer Services Unit Summary This article discusses the merger agreement that was signed between AT&T and Tele-Communications, Inc. (TCI) with a stock transaction valued at $48 billion. This will help AT&T to combine its current consumer long-distance, wireless and Internet services units with TCI's cable, telecommunications, and high-speed Internet businesses to create a new subsidiary AT&T Consumer Services. This merger is going to make the company be traded as a "letter" or "tracking stock" on the New York Stock Exchange and have a significant public ownership. The company also expects earnings from $ 3.35 to $3.45 per share because of the pending me ...
    Related: york stock exchange, cable television, stock exchange, merge, cable
  • Avantgo Vs Palm Vii - 663 words
    Avantgo Vs. Palm Vii AvantGo: http://www.avantgo.com Palm Inc: http://www.palm.com Palm developer site: http://www.palm.com/devzone/ There are many people trying to find the best solution for wireless web browsing. At this time there are two major competitors, AvantGo, which uses any standard Palm device with AvantGo Server software installed on the desktop, and AvantGo Client, and Mobile Application Link software installed on the Palm. Then there is the Palm VII device that uses a wireless modem and a connection to a specialized ISP called Palm.net. While using a Palm device with or without a modem, it is possible to access web content. If you have a wireless modem it is possible to dial a ...
    Related: palm, world wide web, web content, best solution, depth
  • Cable Modems: Cable Tv Meets The Internet - 3,910 words
    ... downstream traffic travels through the cable modem's Media Access Control mechanism. The MAC mechanism's functions are fairly complex. The MAC mechanism's main purpose is to implement MAC protocols under the direction of the CMTS. MAC protocols are used to time-share the cable media among the various cable modems in a cable data network. The MAC processes can be implemented in hardware, or a combination of software and hardware. Both the CMTS and the MAC mechanism implement MAC protocols to perform ranging procedures to compensate for cable media delays and line losses. The CMTS also interfaces with the MAC mechanism in each cable modem to assign upstream frequencies and upstream time s ...
    Related: cable, cable modems, internet access, internet connection, internet protocol, internet service, internet usage
  • Cell Phone Safety - 815 words
    Cell Phone Safety The use of cellular phones has spread like wild fire in the last ten years. It has become a part of everyday life for many American citizens, and a good number of people depend on them to carry out daily operations. Unfortunately, many of these daily operations occur while the individual is driving. As a result, many accidents have taken place in the last ten years due to the use of cellular phones while on the road. This leads me to believe that if people cant concentrate on the road while talking on a cell phone they shouldnt talk at all while driving. Rather than restricting access, the goal should be to provide in-vehicle information systems and safer means to using you ...
    Related: cell, cell phone, cell phones, cellular phone, phone
  • Cellular Essay Ameritech - 1,121 words
    Cellular Essay (ameritech) Cellular Essay (ameritech) The orange is the home digital service area and the yellow is analog service area. Ameritech also offers free long distance all over the U.S.A. With a special package deal they have going right now. For sixty-five dollars a month you get 325 minutes per month. For their Chicago land service area it depends on which plan you pick, because the local rate per minute could either be .25 cents or .29 cents per minute for local calls that went over your minutes you received for free already. The price per minute also changes depending on if you are in the peak or off peak time slots. Peak hours are from 6 a.m. to 10 p.m. Monday through Friday. ...
    Related: cellular, cellular phone, division multiple access, cell phone, operator
  • Cellular Phone Buying Guide - 1,134 words
    Cellular Phone Buying Guide Cellular phones are now owned by one out of three people living in the United States. It is believed that this number will approach, and probably reach, one out of two within the short future. With so many companies producing and marketing the use of cellular phones, rates for their use have dramatically reduced within the last four to five years. The size of the phones has decreased, while their number of features and ease of use has increased. Analog connections are now becoming obsolete, in favor of the clearer and battery-saving digital connection. Many units on the market now are tri-mode, meaning that in addition to analog they use the digital signals of TDM ...
    Related: buying, cellular, cellular phone, guide, phone
  • Cellular Phone Buying Guide - 1,150 words
    ... nsumer Reports, Fall 2000 *see note at end of report* Cons: Rather low talk time (2.5 hours in digital mode) Arms that hold earpiece break frequently Cost: $150 Kyocera QCP 2035 Pros: Two way text messaging Vibrate alert Sprints cheapest phone Cons: Not quite as trendy looking as some of Sprints other options Cost: $100 Motorola Timeport P8167 Pros: Built in vibrate alert Great reception, great menu access Can receive text messages Cons: All ringer options high pitched and irritating Very costly Three-colored screen not available through Sprint (only Verizon) Cost: $230 Verizon Nokia 5185i Pros: Accessories very easy to find-especially faceplates Tri-mode Cons: Phone book only holds 99 n ...
    Related: buying, cellular, cellular phone, guide, mobile phone, phone
  • Cisco - 1,789 words
    Cisco Cisco Systems, Inc. is the worldwide leader in networking for the Internet. Cisco operates in one industry segment and creates hardware and software solutions that link computer networks so that people have easy access to information without regard to differences in time, place or type of computer system. Networking is a multi-billion dollar global market whose growth is spurred by the belief that the Internet is changing the way we all work, live, play and learn. Over the last year, there has been a key shift in the role of the Internet and in how the Internet is perceived. What was once a fairly complex tool used by an elite group of highly technical individuals is now a technology d ...
    Related: cisco, cisco systems, customer service, network design, 1984
  • Computers In Soceity - 596 words
    Computers In Soceity Dont know anything about computers? Dont think they are a big part of your life? Think again! Computers are wondrous machines that improve our lives in many areas like education, entertainment, and work.(Paragraph)The use of computers in and out of school has made improvements in the way we learn. For instance, the use of computers in the classroom has freed up some of my time so I can give more individualized instruction to the needy, says Instructor Mary S. Teachemall of a local neighborhood grade school is a definite improvement over not having computers as a way of learning. Also, college students having easy access to computers for various school related tasks like ...
    Related: computers, laptop computers, term paper, south pacific, user
  • Convergence - 1,849 words
    ... the workload. ATM is one technology that definitely does just that. Beginning at the way the header is made up; ATM is arguably the best choice for transporting voice. The header, itself contains a pointer, which allows a digital signal level 0 (DS0) structure to be maintained. DS0 are the lines that today transport voice. They are multiplexed together to get larger and larger number of signals through. Signaling with VoATM is compared in the pictures below. VoATM has the ability to either transport voice signals transparently through the network or to interpret and move the signals at ATM speeds. The second is more advantageous because of the use of SVCs or Switched Virtual Circuits. T ...
    Related: convergence, control protocol, best choice, telephone number, handbook
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