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Qualcomm Innovates to Optimize Spectrum Usage with MU-MIMO for Wi-Fi

Qualcomm has developed the first 4 stream 802.11ac chipsets with multi user MIMO (MU MIMO) to improve Wi Fi performance.

The new solutions offer two to three times more network capacity and are designed to optimize the way Wi-Fi devices are served to make the most of that additional capacity.

MU-MIMO is a new way for Wi-Fi networks to operate.

PowerPoint Presentation

With standard Wi-Fi, clients are served sequentially; during this time, only one device is sending and receiving information, thus only a small portion of network capacity is being used. The accumulation of these sequential events creates a drop in throughput and capacity as more devices join the network. This situation can be further exacerbated when combined with the growing amount of on-demand high resolution video content. MU-MIMO enables simultaneous transmission to groups of clients, making more efficient use of available Wi-Fi network capacity and speeding up transmissions.

Great connectivity is not just about increasing the absolute speed. It’s about making better use of network and airtime efficiency to support the growing number of connected devices, services and applications,”

-Dan Rabinovitsj, senior vice president, Qualcomm Atheros

With a more precise view of the environment, Qualcomm Atheros’ algorithm-based technology is designed to dynamically adapt to changes in channel conditions, device movement and application requirements to maximize throughput and device performance. This not only makes the best use of the available bandwidth, but also maintains better connections in complex multi-user networks.

PowerPoint Presentation

In order to extract the maximum benefits of MU-MIMO, it must be used on both sides of the connection. The first products are expected to start sampling to Wi-Fi router vendors within the next few months.

Source: Cellular-News

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