// Samsung Has Announced New 60GHz Wi-Fi Technology ~ EDUCATION & TECHNOLOGY

Monday, 13 October 2014

Samsung Has Announced New 60GHz Wi-Fi Technology

Samsung has announced new 60GHz Wi-Fi technology that is claimed to be capable of speeds five times faster than current Wi-Fi speeds. The electronics giant says that the technology will enable data transmission speeds of up to 4.6Gbps and says that it will commercialize the technology in 2015.
Samsung says that it 802.11ad standard 60GHz Wi-Fi technology can maintain the top speed by eliminating co-channel interference, not matter how many devices are on the same network. The technology demonstrates actual speed that is more than 10 times faster than that of 2.4 GHz and 5 GHz Wi-Fi technologies.
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Kim Chang Yong, Head of DMC R&D Center of Samsung Electronics stated ,"Samsung has successfully overcome the barriers to the commercialization of 60GHz millimeter-wave band Wi-Fi technology, and looks forward to commercializing this breakthrough technology,” said “New and innovative changes await Samsung’s next-generation devices, while new possibilities have been opened up for the future development of Wi-Fi technology.”
Apart from Samsung technology giants Nokia and Huawei have are also testing high WiFi speeds. Earlier this year Nokia demonstrated 3.78Gbps 4G speeds at the Mobile Asia Expo. Huawei also successfully tested speed of 10Gbps at 5GHz in their test labs in China.

When it comes to Wi-Fi technology, it’s a tale of two speeds: the theoretical and the actual. Thanks to real-world elements like walls and household appliances, the maximum network bandwidth you see on a router’s box are never achieved – until now, if Samsung is to be believed. The technology giant claims to have developed a 60 GHz Wi-Fi technology that will bridge the gap between theoretical and actual Wi-Fi speeds.
Samsung says its Wi-Fi technology will open up the door to data transmission speeds of up to 4.6 gigabits per second (Gbps), or 575 megabytes (MB) per second. This would be about five times faster than the current ceiling for Wi-Fi speeds for consumer electronics devices, which stands at around 866 megabits per second (Mbps), or 108 MB per second.

So, for example, a 1 gigabyte (GB) movie could be transferred between devices in fewer than three seconds, and uncompressed high-definition videos can be streamed from mobile devices to TVs in real time.
“Unlike the existing 2.4 GHz and 5 GHz Wi-Fi technologies, Samsung’s 802.11ad standard 60 GHz Wi-Fi technology maintains maximum speed by eliminating co-channel interference, regardless of the number of devices using the same network,” according to Samsung’s announcement.
Samsung says it has solved the speed-killing issues that come with millimeter waves, which travel by line-of-sight and are stymied by walls and other obstacles, by making use of wide-coverage beam-forming antennae and micro beam-forming control technology, among other fancy-sounding things.

The distinction between theoretical and practical speeds is important, because factors like the layout of the room, the materials the building is made off, the distance between emitter and receptor, and the number of devices on the network can greatly limit real-world transfer speeds.

Due to the characteristics of the 60GHz spectrum, 802.11ad WiFi tech is especially susceptible to path loss, as 60GHz radio waves bounce off walls and other objects, rather than penetrate them. But Samsung claims to have mitigated this “line-of-sight” problem:

Until now, there have been significant challenges in commercially adopting 60GHz Wi-Fi technology , as millimeter waves that travel by line-of-sight has weak penetration properties and is susceptible to path loss, resulting in poor signal and data performance. By leveraging millimeter-wave circuit design and high performance modem technologies and by developing wide-coverage beam-forming antenna, Samsung was able to successfully achieve the highest quality, commercially viable 60GHz Wi-Fi technology.

In an industry first, Samsung developed a micro beam-forming control technology that can adapt to the changing environment in 1/3000 seconds. Moreover, multiple devices can operate side by side without interfering to each other, thanks to the high directionality of beams formed by 60GHz antennae arrays.

Samsung says it will commercialize the new technology from next year, in a wide array of products, including mobile devices. It will take however a few years for the new 802.11ad to become ubiquitous. First deployed on the HTC One (M7) in March 2013, the current best 2.4/5GHz 802.11ac standard is still not available on most mobile devices.

For a deep-dive into the WiFi 802.11ad standard, check this excellent report from Network World.


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