What is What is WiMax? WiMax? Worldwide Interoperability for Worldwide Interoperability for Microwave Access. Microwave Access. Long Range Wireless Networking Long Range Wireless Networking Standard. Standard. WiMax is WMAN Technology that WiMax is WMAN Technology that will connect 802.11(WiFi) hotspots will connect 802.11(WiFi) hotspots to the internet & provide a to the internet & provide a wireless extension to cable & DSL wireless extension to cable & DSL last mile broad band access. last mile broad band access.
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What is WiMax?What is WiMax?Worldwide Interoperability for Microwave Worldwide Interoperability for Microwave Access.Access.Long Range Wireless Networking Standard.Long Range Wireless Networking Standard.WiMax is WMAN Technology that will WiMax is WMAN Technology that will connect 802.11(WiFi) hotspots to the internet & connect 802.11(WiFi) hotspots to the internet & provide a wireless extension to cable & DSL provide a wireless extension to cable & DSL last mile broad band access.last mile broad band access.
WiMax ForumWiMax Forum
WiMax Industry Group (Forum) has been WiMax Industry Group (Forum) has been formed to promote the IEEE 802.16 formed to promote the IEEE 802.16 standards & to develop interoperability standards & to develop interoperability specifications. specifications.
WiMAX ServicesWiMAX Services
Non Line Of Sight ServiceNon Line Of Sight ServiceUser within 3-5 miles of the base station is User within 3-5 miles of the base station is
required to establish using a NLOS with required to establish using a NLOS with data rate as high as 75 MBps.data rate as high as 75 MBps.
WiMax uses radio waves in the range from WiMax uses radio waves in the range from 2 to 11 GHz. 2 to 11 GHz.
Partially penetrate buildings, bend and Partially penetrate buildings, bend and reflect around obstacles to some extent.reflect around obstacles to some extent.
. .
WiMAX ServicesWiMAX Services
Non Line Of Sight ServiceNon Line Of Sight ServiceSo the BS and client antennas do not need So the BS and client antennas do not need
a clear line of sight between them, which a clear line of sight between them, which is much more practical in an urban is much more practical in an urban environment. environment.
But there is also another significant But there is also another significant consequence due to the nature of consequence due to the nature of spectrum regulationspectrum regulation
Line Of Sight Service Line Of Sight Service
Line Of Sight Service where a fixed dish antenna Line Of Sight Service where a fixed dish antenna points straight at the WiMAX tower . points straight at the WiMAX tower .
Users up to 30 miles away from the base station Users up to 30 miles away from the base station with LOS may have data rate 280 Mbps.with LOS may have data rate 280 Mbps.
Frequency Range 66 GHZFrequency Range 66 GHZLess Interference Less Interference More stronger.More stronger.More Data Rate.More Data Rate.Back haul Back haul
Why is WiMax Unique? Why is WiMax Unique?
Wi-Fi Vs WiMAXWi-Fi Vs WiMAXRangeRangeWi-Fi 100 ft , Wi Max up to 30 milesWi-Fi 100 ft , Wi Max up to 30 milesCoverageCoverageWi-Fi suitable for Indoor Applications, Wi-MAX NLOS Wi-Fi suitable for Indoor Applications, Wi-MAX NLOS
performance standard support outdoorperformance standard support outdoorData RateData RateWi-Fi 54 Mbps, WiMAX 70-250 MbpsWi-Fi 54 Mbps, WiMAX 70-250 MbpsMobilityMobilityWi-Fi No, But WiMax YesWi-Fi No, But WiMax YesScalabilityScalabilityWi-Fi No, But WiMax Flexible use of spectrumWi-Fi No, But WiMax Flexible use of spectrum
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