|
|
|
|
|
|
| |
|
|
|
What questions can we answer for you? |
|
|
|
|
| ALL Questions & Answers |
 |
|
|
|
|
|
What is WIMAX?
[+]
[-]
|
Source: http://www.wimax.com/education
WiMAX is a wireless digital communications system, also known as IEEE 802.16, that is intended for wireless "metropolitan area networks". WiMAX can provide broadband wireless access (BWA) up to 30 miles (50 km) for fixed stations, and 3 - 10 miles (5 - 15 km) for mobile stations. In contrast, the WiFi/802.11 wireless local area network standard is limited in most cases to only 100 - 300 feet (30 - 100m).
With WiMAX, WiFi-like data rates are easily supported, but the issue of interference is lessened. WiMAX operates on both licensed and non-licensed frequencies, providing a regulated environment and viable economic model for wireless carriers.
WiMAX can be used for wireless networking in much the same way as the more common WiFi protocol. WiMAX is a second-generation protocol that allows for more efficient bandwidth use, interference avoidance, and is intended to allow higher data rates over longer distances.
The IEEE 802.16 standard defines the technical features of the communications protocol. The WiMAX Forum offers a means of testing manufacturer's equipment for compatibility, as well as an industry group dedicated to fostering the development and commercialization of the technology.
WiMax.com provides a focal point for consumers, service providers, manufacturers, analysts, and researchers who are interested in WiMAX technology, services, and products. Soon, WiMAX will be a very well recognized term to describe wireless Internet access throughout the world.
|
|
|
What is the difference between WIMAX and WiFi ?
[+]
[-]
|
Source: Michael Finneran – Searchmobilecomputing.com
WiMAX is a wireless digital communications system, also known as IEEE 802.16, that is intended for wireless "metropolitan area networks". WiMAX can provide broadband wireless access (BWA) up to 30 miles (50 km) for fixed stations, and 3 - 10 miles (5 - 15 km) for mobile stations. In contrast, the WiFi/802.11 wireless local area network standard is limited in most cases to only 100 - 300 feet (30 - 100m).
With WiMAX, WiFi-like data rates are easily supported, but the issue of interference is lessened. WiMAX operates on both licensed and non-licensed frequencies, providing a regulated environment and viable economic model for wireless carriers.
WiMAX can be used for wireless networking in much the same way as the more common WiFi protocol. WiMAX is a second-generation protocol that allows for more efficient bandwidth use, interference avoidance, and is intended to allow higher data rates over longer distances.
The IEEE 802.16 standard defines the technical features of the communications protocol. The WiMAX Forum offers a means of testing manufacturer's equipment for compatibility, as well as an industry group dedicated to fostering the development and commercialization of the technology.
WiMax.com provides a focal point for consumers, service providers, manufacturers, analysts, and researchers who are interested in WiMAX technology, services, and products. Soon, WiMAX will be a very well recognized term to describe wireless Internet access throughout the world.
|
|
|
Why would I use WiFi over WIMAX?
[+]
[-]
|
Source: Retired Expert - Craig Mathias (http://searchnetworkingchannel.techtarget.com)
All wireless networks are not the same.
Wi-Fi is a wireless LAN technology and operates in unlicensed spectrum over fairly short ranges – up to a few tens of meters. Wide-area wireless technologies, like GSM, UMTS, CDMA, EV-DO (a CDMA technology), and WiMAX, just to name a few, operate on licensed spectrum reserved to a given carrier. These have a range of perhaps many kilometers, but, as is always the case with wireless, the further you go, the slower you go due to fading of the radio signal itself.
While Wi-Fi is subject to interference, there's a lot more spectrum available to it than is the case with cellular, and Wi-Fi spectrum is free as opposed to the big bucks – and high monthly fees – associated with wireless WANs. Tradeoffs, tradeoffs, tradeoffs. In reality, though, the two technologies will ultimately work together seamlessly – that's what fixed/mobile and mobile/mobile convergence are all about. You be hearing a lot more about these over the next few years, and eventually you won't know which wireless technology you might be using at any given moment in time.
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
| |
|
|
| |
 |
| GO TO ALL > |
|
City 2.0: Using tech building blocks in tomorrow's urban centers
May 15, 2009 (Computerworld) Science fiction writers call it Utopia, the glorious City of the Future. But short of downtown atriums being guarded by invisible walls and flying cars, City 2.0 is not as far off as you may think.
Ubiquitous wireless networks are already available in cities including Baltimore and Minneapolis, corporations such as Thomson Reuters have sustainable data centers that sell power back to the local utility, the smart energy grid is well on its way, and city-provided social networks are common. Indeed, the next steps toward the city of tomorrow are all about integrating these services cohesively, making them widely available across the entire metropolis and managing the services more efficiently.
MORE > |
FCC pledges to "unleash" 4G mobile broadband spectrum
FCC Chairman Julius Genachowski has pledged to "unleash the spectrum" for 4G mobile broadband. According to Genachowski, the next generation of mobile technology will "make all the difference."
MORE > |
ISA Expo Showcases Automation Technology Trends
Houston — This year’s ISA Expo sought to solve some of manufacturing’s most pressing problems in security, safety, wireless networking, process automation, integration, and energy management.
The show, which wraps up today, hosted several co-located events, including the Microsoft Worldwide Manufacturing Operations Forum, the OpenO&M Executive Summit, and ARC Advisory Group’s Asset Lifecycle Management Knowledge Exchange and Technology Showcase, which spotlighted a number of vendors’ product announcements.
MORE > |
|
| |
|
|
|
HOME
