WiMAX Study Through OPNET Modeler

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Presentation transcript:

WiMAX 802.16 Study Through OPNET Modeler Michael Menozzi CS526

Overview Introduction Types of WiMAX Coverage Components of WiMAX Colorado Springs Plan The experiment Future work References

Introduction WiMAX (Worldwide Interoperability for Microwave Access Term created by the WiMAX forum Provide continuity, interoperability and uniformity Emerging technology – last mile/first mile application Service providers Mobile internet users 475 WiMAX networks deployed in 140 countries

Types of WiMAX Fixed and mobile WiMAX 802.16d for fixed Smaller coverage area – high gain-low portability uni-directional antennas 802.16e for mobile Larger coverage area – low gain-high portability omni-directional antennas

Types of WiMAX, cont. Non-line-of-sight – similar to WiFi Frequency range – 2 GHz to 11 GHz Line-of-sight – Fixed dish antenna that points to the WiMAX tower Frequency range – 66 GHz maximum – less interference and fewer errors

Coverage Theoretical – Provide broadband speeds over 30 miles with a single base station Realistically 4-5 miles/no Line-of-Site (LOS) 10 miles/Line-of-Site (LOS)

Components Simplistically WiMAX tower Connect directly to the Internet using a terrestrial connection or by way of a LOS microwave link Omni-directional – users near the antenna Sector – better – use multiple ones for 360 Panel – point-to-point WiMAX receiver Small box or PCMCIA card or built into the computer –similar to WiFi Similar in concept to a cell-phone tower – provide coverage to a large area In the neighborhood of 3,000 square miles

The Threat The obvious threat is to WiFi, cable and local phone companies WiMAX has the capability of providing: Voice over Internet Protocol (VoIP) Cable television Internet Plus on the go – mobile internet service True triple-play PLUS mobile for the home user

Who is providing it? Clear – Formally known as Clearwire Consists now of Sprint, Google, Intel, Comcast, Bright House and Time Warner Technology 4G 3G DSL Cable Mobility Mobile + Home Home Only Speed 3-6 Mbps download; upload up to 1 Mbps 600Kbps - 1.4 Mbps download; upload up to 600Kbps 700Kbps - 1.5 Mbps download; upload up to 384Kbps 12-16+ Mbps Download 4MB song 5 seconds 21 seconds 2.5 seconds Download 200MB video 4 minutes 18 minutes 3 minutes Cost ~$40/Month ~$35/Month ~$43/Month

Locally? Colorado Springs explored a citywide solution in 2007 to provide WiFi Decided to eventually wait – no company would engage without city monies In 2009 Clearwire announced it would offer WiMAX in Colorado Springs The Telecommunications Policy Advisory Committee (TPAC) provided little information Their mission is to bring technology to the Springs Should be the end of 2010, Gazette running legal ads for their towers

Future Work IEEE 802.20 Global Area Network (GAN) Similar to cell phone capabilities Nationwide coverage Similar to cable provider Speeds equivalent to cable modem OPNET – Run traffic across the model (Springs) to demonstrate the research and development usage No results yet – compile issues in regard to the software

References http://www.techpluto.com/wimax-in-detail/ http://computer.howstuffworks.com/wimax1.htm, page 1 http://computer.howstuffworks.com/wimax1.htm, page 2 http://www.motorola .com , WiMAX_E_vs._D__White_Paper.PDF http://en.wikipedia.org/wiki/FFT http://www.networksystemsdesignline.com/howto/199202160 http://newsroom.clearwire.com/phoenix.zhtml?c=214419&p=irol-newsArticle&ID=1404906&highlight= http://www.clear.com/discover/compare-clear http://findarticles.com/p/articles/mi_qn4191/is_20070919/ai_n21036084/ http://findarticles.com/p/articles/mi_qn4191/is_20091210/ai_n45771414/ http://www.wimax.com/education/wimax/what_is_wimax http://www.wimax.com/education/wimax/antennas

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