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IEEE Approves Standard for Increased High-Bandwidth Wireless LAN Capacity in China

IEEE 802.11aj™ enables high throughput operations in the 60 GHz and 45 GHz frequency bands in accordance with Chinese regulations.

IEEE Standards Association
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PISCATAWAY, NJ, 03 May 2018 - IEEE, the world's largest technical professional organization dedicated to advancing technology for humanity, and the IEEE Standards Association (IEEE-SA), today announced the approval of IEEE 802.11aj, an amendment to IEEE 802.11™ that specifies the Physical (PHY) layer and the Medium Access Control (MAC) layer in the 60 GHz and 45 GHz bands to meet growing high-speed wireless LAN capacity demands in China. The standard amendment specifies four 1.08 GHz channels in the 60GHz band to support low power devices with high data rates and larger coverage areas, and provides access to 5 GHz of new bandwidth in the 45 GHz band with up to a 15 Gb/s data rate. This expands the capabilities of IEEE 802.11, which forms the basis of Wi-Fi® networking devices.

"IEEE 802.11aj enables features in wireless products that leverage spectrum uniquely available in China,” said Dorothy Stanley, chair of the IEEE 802.11 Working Group. “What’s more, it demonstrates the global scope of the IEEE-SA in coordinating standards development projects in response to local standards requirements and opportunities worldwide."

In China’s densely populated cities, and with the ubiquitous use of mobile devices, IEEE 802.11aj provides a robust solution to mitigate device interference, lowering instantaneous power requirements and increasing coverage, especially for small form-factor, battery-powered devices with small antennas.

Additionally, the standard amendment includes enhanced MAC mechanisms for better network performance and backward compatibility with IEEE 802.11a™ standard, now incorporated in IEEE 802.11-2016. IEEE 802.11aj also integrates multiple-input multiple-output (MIMO) technology for higher network capacity, enabling operation in up to 5 GHz of license-exempt bandwidth allocated in China’s 45 GHz band.

“The introduction of IEEE 802.11aj culminates a 5-year collaborative effort to develop enhancements accommodating the Chinese regulatory requirements in the 60 GHz and 45 GHz bands,” said Jiamin Chen, the Task Group chair and editor of IEEE 802.11aj. “This amendment, including the incorporating of MIMO technology for higher network capacity, will provide wireless operators greatly enhanced network performance and an end-user experience that maintains the reliable, high-quality wireless connectivity associated with IEEE 802.11 network operations.”

IEEE 802.11aj is available for purchase at the IEEE Standards Store.

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About the IEEE Standards Association
The IEEE Standards Association, a globally recognized standards-setting body within IEEE, develops consensus standards through an open process that engages industry and brings together a broad stakeholder community. IEEE standards set specifications and best practices based on current scientific and technological knowledge. The IEEE-SA has a portfolio of over 1,250 active standards and over 650 standards under development. For more information visit http://standards.ieee.org.

About IEEE
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