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Network World - The wireless world is evolving rapidly in response to the explosion of intelligent devices, applications and data, and the IEEE 802.11ad standard, commonly known as WiGig, is poised to help.
WiGig is a step change from the 802.11 evolution we have witnessed over the last 10 years, adding a new frequency band, 60 GHz, to existing products: 802.11n operates in the 2.4-GHz and 5-GHz bands, while newer 802.11ac products operate in the 5-GHz band.
By enabling the emergence of tri-band products -- such as 802.11n/ac + 802.11ad -- WiGig opens the door to exciting applications and makes it more possible for all intelligent devices to be connected through a high speed Wi-Fi network.
But, we get ahead of ourselves. First, let’s see what WiGig is all about.
Speed. The WiGig spec is defined to support speeds up to 7Gbps, but this is really just a start. By using some of the basic techniques we see today in .11n and .11ac, up to 100Gbps is achievable within the next few years. How?
High capacity. 16-32 antenna element arrays generate real spatial separation and make high capacity wireless deployments a reality.
Most power efficient Wi-Fi technology yet. Running multiple gigabits per second of real throughput at only hundreds of milliwatts total system power is achievable with 802.11ad, making it far and away the most power efficient technology in the Wi-Fi portfolio.
Great free space rate/range. Path loss offset by antenna gain and wide channel enables high speed, even in low signal-to-noise ratio (SNR) situations. 2Gbps at 100 feet is “easy.”