What is Wirelessman®?
Wirelessman® is a family of wireless standards of networks created by the Institute of Electrical and Electronic Engineers (IEEE). Standards, officially known as IEEE 802.16, are complemented by other wireless technologies such as Wi-Fi®. The 802.16 standards are designed for use in large city wireless networks that can provide broadband Internet access and compete against cable technologies such as the digital subscriber (DSL) and cable modems. Wirelessman® standards are the basis for Wimax® and several other wireless broadband technologies.
The organization that created the 802.16, IEEE standard was also responsible for the ratification of popular Bluetooth® and Wi-Fi® wireless standards. Each of these standards allows you to build wireless networks on different scales. For example, Bluetooth® allows very short networks of personal areas (PAN). Wi-Fi® popularized entire wireless networks (Lans) and Wirelessman & Reg; is designed to pRO larger network of metropolitan areas (MANS) designed to cover whole cities or geographical areas. In many cases, these different types of networks may be complementary. For example, LAN-Fi® LAN could be connected to the Internet via a man using 802.16.
Wireless networks created with Wirelessman® technology use what is known as a point for a multipoite setting. This means that one base station provides wireless coverage of multiple subscribers in different places. The maximum distance for this type of network is about 30 miles (48 km); More than a thousand subscribers can be supported by one basic station. Each subscriber can serve a building or home and can be used instead of a cable connection to the Internet, such as DSL and cable.
various subset 802.16 provide wireless broadband functions at various radio frequencies. Systems afterThe use of the frequency, namely 10-66 Gigahertz (GHz), requires a clear line between stations and subscribers. The amendment to the original standard 802.16, 802.16a, added support for lower frequencies and enabled the use of technology in situations where the line was not available.
Other subsets of 802.16 have been created to add new features or solve problems related to the use of technology. Published in 2005, 802.16E provided support for mobile subscription stations, which eventually made it possible to use technology for mobile phone, laptop or other portable device. The aim of the other subset is to solve the problems of many different technologies, including Wirelessman®, working on the same radio frequencies. IEEE continues to study other questions related to 802.16; It is likely that there will be further revisions of these standards in the future.
in the US and some other countries were as a basis for for the standards of 802.16 to useMax® Wireless Broadband Service. US cellular service providers began to build networks based on the 802.16E standard at the end of 2000, describing them as "4G" technology. The European Telecommunications Industry created a technology based on 802.16 called Hiperman, while South Korean companies promoted a similar technology called Wibro, which unofficially means wireless broadband.