Wi Fi 7 s new focus is on reducing latency and improving stability

IT Home News on December 30 that every time the Wi-Fi wireless network standard version changes, new features will be introduced, but the focus is on throughput,And this year's Wi-Fi 7 puts more of a focus on improving reliability and reducing latency.

Carlos Cordeiro, an Intel researcher and CTO of wireless connectivity, said, "We often ask ourselves, what's next?The pain point of Wi-Fi today is how to become more reliable ......I think now we should pay more attention to latency and become more stable." The relevant content of IT Home Translation is as follows:

Kevin Robinson, President and CEO of the Wi-Fi Alliance, said

The key to the future of Wi-Fi is multi-link operation (MLO), which is the focus of Wi-Fi 7.

There are two types of MLOs, the simpler of which is to propagate data streams on multiple channels in a single frequency band. This technology makes Wi-Fi signals more resistant to interference at specific frequencies.

What MLO really sets Wi-Fi 7 apart from previous generations is that it allows devices to stream data across multiple frequency bands.

Whether MLOs propagate signals on multiple channels in the same frequency band, or on channels in two or three bands, the goal is the same: reliability and reducing latency.

The device will be able to split the data stream and send portions of the data on different channels at the same time, reducing the overall transmission time so that even if there is noise or other failure on one channel, a copy of the data can be sent over different channels.

Another focus of Wi-Fi 7 is channel size, with the upper limit increased from 160 MHz to 320 MHz.

A larger channel means higher throughput, which means more data can be transmitted in the same amount of time.

However, it should be noted that once it is, the 320MHz channel cannot be fully popularized at this stage.

Wi-Fi uses unlicensed spectrum, and in some regions, there may not be any contiguous 320MHz unlicensed spectrum because it has already been allocated to other spectrum.

In cases where full channel is not possible, Wi-Fi 7 also has another feature, puncturing.

Andy D**Idson, senior director of technology planning at Qualcomm, said:

In areas where the 320 MHz band can be utilized, the channel of about 160 MHz could only be used above or below if there is interference at 20MHz.

After upgrading to Wi-Fi 7, you can have a 300 MHz channel.

Robinson said that after agreeing on features, months of validation work will be needed for early implementations of those features to ensure that all features work in harmony.