Recently , Acer and Xiaomi released the latest Aspire E series notebooks and the new Mi 4i smartphones respectively. One of the common product features of the two vendors' new products is the support of Qualcomm® MU | EFX technology, which brings consumers a connection experience up to 3 times faster than traditional Wi-Fi connection speeds.
Acer Aspire E Series Notebook
The Acer Aspire E-series notebooks integrate the industry's most advanced MU-MIMO solution, Qualcomm® MU | EFX MU-MIMO technology, with connection speeds up to three times that of current 802.11ac solutions. And will land in the Chinese market this month.
Mi 4i smartphone
At the same time, Xiaomi's Mi 4i launched in the Indian market is equipped with the second generation Qualcomm® SnapdragonTM 615 processor, supporting local 2G/3G/4G networks and dual card dual standby. The Mi 4i features a 5-inch 1080p display with a 5 megapixel front camera and a 13 megapixel rear camera. The Mi 4i also uses Qualcomm® MU | EFX MU-MIMO technology. In addition, the previously launched Xiaomi Note top version is the world's first wholesale MU-MIMO-enabled smartphone.
As shown in the figure below, when using the traditional SU-MIMO (single-user multiple-input multiple-output) technology, the device can only transmit multiple spatial streams to one terminal at a time. As a new feature of 802.11ac Wave 2, MU-MIMO (Multi-User Multiple Input Multiple Output) technology uses transmit beamforming technology to establish up to four directional radio frequency (RF) links, simultaneously distributing multiple spatial streams. Different clients, thereby increasing the total throughput and total capacity of the network.
SU-MIMO and MU-MIMO
It should be noted that in order to maximize the potential of MU-MIMO technology, both the network device end and the client need to support MU-MIMO technology. The launch of the Acer Aspire E-series notebooks, the Xiaomi Note top version and the Mi 4i undoubtedly give consumers more choices from the client side. On the network device side, including Amped Wireless, AVM, Belkin, Buffalo, NEC and TP Link will be launched with Qualcomm® MU | EFX technology. It can be seen that the ecosystem of 802.11acMU-MIMO solutions is entering a stage of rapid development. In the future, MU-MIMO technology will always provide consumers with a more enjoyable Wi-Fi experience, whether they are in a home network or a corporate network.
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