world’s first wireless computer communication network‚ ALOHAnet (operational in 1971)‚ using low-cost ham-like radios. The system included seven computers deployed over four islands to communicate with the central computer on the Oahu Island without using phone lines. Definition A wireless local area network (WLAN) links two or more devices using some wireless distribution method (typically spread-spectrum or OFDM radio)‚ and usually providing a connection through an access point to the wider
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As we can see the delay dropped significantly when using PCF. However‚ using fragmentation resulted in different effect in DCF and PCF. In DCF using fragmentation increased the delay as the collisions increased while fragmentation decreased the delay when used with PCF. Using fragmentation in DCF did not affect the load much and it remains nearly the same. However‚ using PCF resulted in load drop and when we used fragmentation with PCF the load decreased even more. As expected‚ the throughput
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Wireless networking is the best networking solution for networking an office. Why? It’s cheaper to deploy; there aren’t any expensive cables to purchase‚ labour for cable pulling through tight conduits‚ purchasing matching socket faceplates‚ purchasing tools and devices for cable repair / troubleshooting. There isn’t any excessive wire clutter‚ no cables running too-an-fro on the desk for computer‚ printer‚ fax‚ phone or PDA. What’s left? A clean desktop with only the mere unnoticeable power
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PAPER ON WIRELESS ROBOT CONTROL USING WI-FI [pic] SUBMITTED BY SHREEN SITHARA Y‚ DEVISHREE V B.TECH IT‚III Year‚ B.TECH IT‚III Year‚ shreensithu.46@gmail.com sowmiselvi@gmail.com Controlling ROBOTS using Wireless fidelity: Stuffing inside: ABSTRACT: By 1997 the
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Technological Access to Services Paper Team D BSHS 375 Ricky Delatte June 8‚ 2015 Over the years technology has come a long way to increase client accessibility to services. Even though technology has its advantages it also has its disadvantages. Each technology that is increasing client accessibility to services there is some technologies that only target a certain population to benefit them. Technology has its own way that clients can access it. Each technology is different so there
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Analysis of Wireless Security Vulnerabilities‚ Attacks‚ and Methods of Protection Abstract - The rapid adoption and highly distributed nature of wireless networks has made it vulnerable to attacks and calls for innovative strategies of defense for network security. The lack of cables and transfer of information over airwaves makes data exchange more susceptible to interception. Furthermore‚ it is difficult to implement effective methods of security without sacrificing the quality and speed of network
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How Our Lives Have Changed With Wireless Internet Name University of Phoenix HOW OUR LIVES HAVE CHANGED WITH WIRELESS INTERENT Wireless Internet access is changing our lives and redefining our workplace. It allows internet access while traveling or while living in remote locations. One traveler explained “Businesses and individuals are accessing information at electronic speeds from almost anywhere in the world” (Griffin‚ 2008). Wireless access is changing how people work‚ where people
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Advantages and disadvantages of normal LAN vs. wireless LAN. Computer networks for the home and small business can be built using either wired or wireless technology. Wired Ethernet has been the traditional choice in homes‚ but Wi-Fi wireless technologies are gaining ground fast. Both wired and wireless can claim advantages over the other; both represent viable options for home and other
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Alex Hills argues that as more people start to use wireless fidelity (Wi-Fi) networks‚ improvements to the wireless technology are needed to ensure reliable and secure services. An increase in popularity of Wi-Fi has come at the cost of creating difficult problems for designers of the technology. However‚ Hills notes that there has been "substantial progress" towards solving many of these problems. Hills covers some of the developments in wireless local area network (LAN) technology since he and
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McDonald ’s Wireless Access The growing number of wireless users in the United States includes thousands of mobile professionals‚ business travelers‚ and students who need to connect to work‚ family‚ and friends while on-the-go and are willing to pay for a convenient wireless service option. With only one major competitor‚ high-priced Starbucks/T-Mobile‚ an attractive wireless service offering could have a potentially significant impact on revenue‚ both in terms of income from wireless services and
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