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Wireless Networks and Security - PDF

Added on - 17 Jun 2021

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Running head: WIRELESS NETWORKS AND SECURITYWireless Networks and SecurityName of the StudentName of the UniversityAuthor’s Note:
1WIRELESS NETWORKS AND SECURITYTable of ContentsIntroduction...........................................................................................................................................2Discussion..............................................................................................................................................21. Three Wireless Communication Technologies Comparison...........................................................22. Evaluating Nine Wireless Communication Standards for Internet of Things and Cyber PhysicalSystems..............................................................................................................................................33. Best Performance of Wireless Networking Standard.....................................................................5Conclusion.............................................................................................................................................5References.............................................................................................................................................6
2WIRELESS NETWORKS AND SECURITYIntroductionThe various computer networks, which do not have any connection or link with the wires orcables, are termed as wireless networks [5]. It is the most effective type of network in thenetworking era. The proper utilization of any wireless network solely enables a company in avoidingall the expensive procedures of the introduction of cables or wires within any building for connectingthe various rooms or floors. The most significant basis of this wireless networking mainly involvesthe variety of radio waves. The radio waves are referred to as the various types of electromagneticradiation with the wavelengths [9]. The most common types of wireless technologies are wirelessnetworking, wireless fidelity or Wi-Fi, satellite, Worldwide Interoperability for Microwave Access orWiMax, Bluetooth technology, Bluetooth 4.0, ZigBee, Z-Wave and many more.This report will be focusing on the various wireless communication technologies. Thesetechnologies would be leading the wireless world. The report will be subsequently focusing on thecomparison of the wireless communication technologies. The three selected technologies aresatellite, WiMax and Wi-Fi. The next part is the evaluation of nine standards of wireless networksand proper justification on that evaluation.Discussion1. Three Wireless Communication Technologies ComparisonThe comparison of the three wireless communication technologies is given below:Major FactorsSatellite WirelessCommunicationWireless Fidelity (Wi-Fi)WorldwideInteroperability forMicrowave Access(WiMax)i)Communication SpectrumThe six bands of satellitecommunication are Ka, Ku,X, C, S and L bands. Therespective communicationspectra are 26 - 40 GHz, 12- 18 GHz, 8 - 12 GHz, 4 - 8GHz, 2 - 4 GHz and 1 - 2GHz. The most popular andutilized band is Ku band [1].The frequency band forIEEE 802.11a is 5 GHz, forIEEE 802.11b is 2.4 GHz,for IEEE 802.11g is 2.4GHz, for IEEE 802.11n is 5GHz, for IEEE 802.11ac is6 GHz, band for IEEE802.11ad is until 60 GHz,for IEEE 802.11af is under1 GHz and for IEEE802.11ah is from 700MHz [10].Two protocols are theIEEE 802.16d and theIEEE 802.16e. For theIEEE 802.16d, thefrequencies are 3.5 and5.8GHz [6]. For the IEEE802.16e, the frequenciesare 2.3, 2.5 and 3.5GHz.ii)ModulationBPSK or binary phase shiftkeying, QPSK or quadratureQPSK or quadraturephase shift keying andThey are 64 QAM or 64quadrature amplitude
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