WiMax (802.16) is is a newer appropriate of wireless networking designed to furnish the last mile of high speed internet passage to the end user. Some habitancy would call Wimax WiFi on steroids but this would be to broad of an assessment. Wifi was and still will be used in Lan environments for the foreseeable future. WiMax was designed to furnish (Man) Metropolitan Area Access, to homes and businesses.
WiMax base stations will have the capability to furnish roughly 60 businesses with T1 passage and hundreds of homes with Dsl/Cable speed access...in theory. Engineers are stating that WiMax has the capability of reaching 30 Miles but real world testing has shown 4-8 mile working radius.
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WiMax (Man) deployments are similar to a WiFi network. First the Isp would have their T3 or higher access. The Isp would then use line of sight antennas (Bridges) to join together to towers that would distribute the non line of sight signal to (Man) residential/business clients.
WiMax line of sight antennas control at a higher Frequency up to 60mhz. Distribution antennas do not have to be in the line of sight with their clients. Non - line of sight towers control on a range similar to WiFi . WiMax can control right next to cell phone towers with no interference.
WiMax networks are similar to Wifi in deployment. The Wimax Base station/Tower will beam a signal to a WiMax Receiver. Similar to a WiFi passage point sending a signal to a laptop. As far as I can tell laptops will be shipping with Wimax receivers in 2006.
Qos (Quality of Service) is an major issue with WiMax because of the amount of habitancy accessing a tower at once. Some would think that a tower could be beyond doubt overloaded with a lot of habitancy accessing it at once. Built into the WiMax appropriate is an algorithm that when the tower/base center is nearing capacity then it automatically will replacement the user to other WiMax tower or cell. Unlike a Wifi clients who have to kind of fight to stay associated with a given passage point; WiMax will only have to perform this hand shake at the Mac level the first time they passage the network.
WiMax is designed for building a network infrastructure when the environment or length is not favorable to a wired network. Also, WiMax is a cheaper and quicker alternative than having to lay wire. Third world countries will greatly benefit from deploying WiMax networks. WiMax can handle virtually all the same protocols Wifi can together with Voip. African countries are now going to start deploying WiMax networks instead of cell phone networks. Disaster zones can also utilize WiMax giving them the capability to distribute emergency data swiftly and cheaply.
Militaries are already using wireless technology to join together remote sites. Logistics will be simplified with the ease of tracking with Rf technologies. WiMax can also handle Webcams and streaming video which would give commanders eyes on target capability. Just imagine if planes were able to drop preconfigured self deploying WiMax antennas in strategic areas giving troops real time battlefield intel. Armed with wireless cameras, drones and a Gps one soldier would truly be an Army of One.
As WiMax is deployed in more areas principles and real life capabilities of WiMax will come to light. The differences between WiMax and Wifi are simple. Think of a WiMax network as an Isp with out wires, with the signal providing your internet passage to your business/ home. Wifi will be used within in your Lan for the near future.
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