802.16

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802.16

A family of IEEE standards for wireless broadband access (BWA). Approved in 2002, and also known as "WiMAX," 802.16 provides up to 300 Mbps of shared point-to-multipoint transmission in the 10 to 66 GHz frequency bands as far as 18 miles. The WiMAX Forum (www.wimaxforum.org) promotes the 802.16 standards using the OFDMA air interface below 11 GHz and provides interoperability certification. At frequencies below 11 GHz, signals can penetrate walls and other dense objects. See Xohm, WiMAX, Wi-Fi, WiBro and 802.11.

Last Mile and Networks
The 802.16 standard was designed to bring wireless broadband into buildings from an ISP or other carrier, offering an alternative to wired T1, cable and DSL lines in the last mile. It can also be used to provide high-speed connectivity between Wi-Fi networks across large campuses as well as create a "wireless metropolitan access network" (WMAN) throughout a city or suburb. The mobile version of WiMAX competes with LTE, the 4G cellular technology (see IMT-Advanced).

802.16-2009 - Fixed and Mobile WiMAX 1
The 802.16-2009 standard includes previous 802.16-2004 fixed and 802.16e mobile versions, among others, and supports the WirelessMAN-SC air interface in the 10-66 GHz range. WirelessMAN-SC is not supported by WiMAX. The first fixed standard was 802.16-2001.

802.16e - Mobile WiMAX 1
The 802.16e standard was the first 802.16 mobile version. It allows people to communicate in the 2-6 GHz band while riding in cars and trains up to 75 mph. Voice over IP (VoIP) is also supported.

802.16m - Mobile WiMAX 2
Submitted as an IMT-Advanced standard, 802.16m increases the shared channel to a maximum of 300 Mbps and allows people to communicate while traveling in high-speed trains up to 200 mph. The ITU has designated both WiMAX 1 and WiMAX 2 as 4G technologies. See IMT-Advanced.
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References in periodicals archive ?
After a successfully EAP authentication or HHO authentication, both the MS and the serving BS should construct security keys, including Authorization Key (AK), Transmission Encryption Keys (TEKs) and Cipher-based Message Authentication Code (CMAC) Keys, as defined in IEEE 802.16m standard [14] by performing the 3-way handshake procedure.
Computer scientists and engineers from around the world present 19 chapters on recent developments in broadband wireless access networks, including mobile standards LTE (RELEASE 8), LTE-Advanced, and IEEE 802.16m. They present technologies that work together to carry out coordinated functions and theory and applications related to the improvement and development of broadband wireless access networks.
Choi, "Performance analysis of IEEE 802.16m sleep mode for heterogeneous traffic," IEEE Communications Letters, vol.
Aiming at the next generation mobile WiMAX, called WiMAX 2, IEEE 802.16m [2] is currently being processed for standardization.
The IEEE 802.16m standard (also known as WiMAX 2) was developed to provide higher data rates and increased capacity and the members of the WiMAX Forum committed to follow this evolution path for 4G.
The system parameters of IEEE 802.16m standard with possible system bandwidths are listed in Table 1, while Table 2 tabulates the relationship between the frame duration and frame size for every system bandwidth considered in Table 1.
* Development of next-generation mobile broadband wireless networks such as 3GPP LTE/LTE-Advanced and Mobile WiMAX/IEEE 802.16m
SAMSUNG ELECTRONICS Co Ltd unveiled its super high- speed next generation mobile WiMAX- 2 based on IEEE 802.16m ( mobile) -- a series of wireless broadband standards authored by the IEEE -- for the first time in the country at the India Telecom Show at Pragati Maidan on Thursday.
Thus, a Multi-Input-Multi-Output (MIMO) mechanism can be added to the IEEE 802.11 and IEEE 802.16 domains, together with the IEEE 802.11n and IEEE 802.16m protocols under developed, hoping that the mechanism can meet the increasing demands of vast users.
Declan Byrne, the marketing director for the WiMAX Forum industry group, says the WiMAX 2 standard, formally known as 802.16m, will be finalized by the Institute of Electrical and Electronics Engineers (IEEE) this November, with an eye toward certifying devices based on the standard throughout 2011.
However, the WiMAX 2 (802.16m) standard with a theoretical download speeds touching 1Gbps and an expected practical user bandwidth range hitting 100Mbps, it is likely to beat the existing 4G standard by a convincing margin.