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Wireless Networks

IEEE Kicks Off High Efficiency WLAN Group

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IEEE Kicks Off High Efficiency WLAN Group

IEEE creates the IEEE 802.11 High Efficiency WLAN (HEW) study group, with the aim to enhance the efficiency and performance of current WLAN deployments-- creating a new wifi standard in the process.

The study group will consider use cases including dense network environments with large numbers of access points and stations.

Expressing interest in the future HEW project are over 300 individuals from equipment and silicon vendors, service providers, carriers, systems integrators, consultant organisations and academic institutions from over 20 Read more...

Wifi Design on the Cloud

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Wifi Design on the Cloud

Xirrus releases a free cloud-based design tool for the creation of wireless networks-- Xirrus Wifi Designer-Cloud, a self-service application for the placement access points and arrays. 

The Wifi Designer-Cloud models the wireless coverage of Xirrus APs and arrays together with the characteristics of the deployment location (including wall construction materials) to create an optimised deisgn. 

"Rather than conducting an active survey using physical equipment and manpower-– which can be expensive and cumbersome-– network planners can simply use our Read more...

Wifi's New Superpower... X-Ray Vision?

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Wifi's New Superpower... X-Ray Vision?

Researchers at the MIT Computer Science and Artificial Intelligence Laboratory use the power of wifi to gain one of Superman's many powers-- using the wifi-based "Wi-Vi" to detect movement through walls.

In concept Wi-Vi is similar to radar and sonar imaging, only using low-power wifi signals to track movement in closed rooms or behind a wall. The system requires 2 transmit antennas and 1 receiver, with one transmitter sending out a signal that is the inverse of the signal from the other.

Due to nulling effect, the signals from the two antennas cancel each other out when "bouncing" back after hitting static objects-- but not when reflecting off moving objects. The receiver tracks the time it takes for signals to reflect back from a moving object (such as a person in a room) and calculates where it is at any time, producing a "sort of" X-ray effect.

Read more...

Wifi Alliance Starts 802.11ac Certification

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Wifi Alliance Starts 802.11ac Certification

The Wifi Alliance starts certification of 802.11ac products with the Wifi Certified 11ac program-- with hopes of bringing networking products with higher data rates, greater capacity and reduced latency to market in the near future. 

802.11ac wifi operates on the 5GHz band. Most wifi certified products are also dual-band (operating on either 2.4 or 5GHz bands), providing networks with double capacity as the 5GHz band finds use for high-performance applications and 2.4GHz for basic needs. 

ABI Research forecasts 2014 dual-band wifi chipset shipments will reach 1.5 billion units.  Read more...

ABI: 60GHz to Hit Mass Market

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ABI: 60GHz to Hit Mass Market

After years as a niche technology, 60GHz technology is set to become a mass market solution ABI Research reports-- with annual enabled device shipments to exceed 1 billion units by 2017.

Driving such growth is the linking of the WiGig and Wifi Alliances and the forthcoming ratification of the 802.11ad standard, both advancements encouraging wifi IC vendors to add 11ad to future tri-band solutions (as in 11n/11ac/11ad).

Many describe 802.11ad as the next step for wifi, after 11ac.

Vendor partnerships are also bearing fruit-- the Wilocity-Qualcomm Read more...

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