Analysis of WIGIG's two advantages

Technically, the WiGig 1.0 standard combines the advantages of WirelessHD and traditional Wi-Fi technology. Therefore, compared to WirelessHD, the WiGig 1.0 standard has its own advantages:

One of the advantages: can be integrated with Wi-Fi

In addition to having a transmission rate close to 7Gbps, a major advantage of the WiGig 1.0 standard is that it can integrate well with current Wi-Fi. WiGig technology is largely extended from traditional Wi-Fi, so it has the ability to be backward compatible with 802.11n: when the user is far from the AP (hot spot), its wireless connection will choose the transmission speed is slower but the transmission distance is more Far band (such as 802.11n); when the user is closer to the AP, the system will automatically switch to the 60GHz band to obtain a higher connection rate. In addition, in terms of signal encryption, WiGig equipment will be compatible with the 802.11 WPA2 encryption algorithm, ensuring its interconnection with existing wireless networks.

It is precisely because of the good interconnectivity of the WiGig 1.0 standard that some chip manufacturers and WiGig have already begun to discuss the integration of WiGig into the Wi-Fi standard to make up for the lack of the current 802.11 specification in the ultra-high-speed wireless standard, including Intel, Broadcom and Atheros, because they both participated in the formulation of the IEEE task group 60GHz standard 802.11ad, and are also members of the WiGig board. "We can't call WiGig Wi-Fi yet because it is not yet, but it does have many similarities with Wi-Fi." Broadson Senior Technical Director Jason Trachewsky said: "But if we can in the existing products Adding a faster Wi-Fi interface with lower latency, such as WiGig, will certainly be very attractive to our customers. "For this, the Wi-Fi Alliance certification organization also has to say: WiGig can be used as As a supplement to the Fi standard, as various conditions mature, Wi-Fi and WiGig are likely to merge together in the future.

The second advantage: aiming at multi-platform applications

Initially, WiGig technology was aimed at the wireless high-definition transmission market within the home, but when the official standard was released, people were surprised to find that WiGig technology may be applied to other fields.

In addition to meeting the transmission needs of high-resolution video signals, WiGig ’s high bandwidth and low latency are also ideal for several other applications, such as transferring content from a laptop to a desktop computer for playback and storage, and the need for cables You can transfer the video from the HD camera to the TV. The power consumption and cost of the NIC that supports the WiGig standard are comparable to existing 802.11n products, so it can be completely transplanted to the mobile field, such as allowing mobile phones to connect to TVs and computers wirelessly, transmitting videos, music, or photos, rather than just being limited to high-definition Video transmission. This indicates that smart phones are also one of its development directions. MediaTek and a number of mobile phone chip manufacturers joined for this purpose.

In addition, WiGig technology is not just for the transmission of video and files. The standard protocol adaptation layer is currently in development, hoping to support specific system interfaces to replace HDMI or Display Port, which means that the future of graphics cards and displays The room can also be connected wirelessly, and the gathering of WiGig of NVIDIA, AMD and Intel shows this bright prospect. Many analysts believe that because WiGig is oriented to IP networks, behind it are the support of Intel, Broadcom, Atheros and several other major consumer electronics manufacturers, so WiGig is likely to stand out from the existing wireless standards .

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