802.11ac New Features - A CWNP Webinar with Tom Carpenter

In this webinar, Tom Carpenter, CTO at CWNP, discusses the new features in 802.11ac and the basics you need to understand related to them. This is the first in a series of webinars CWNP will be offering on the new 802.11ac amendment. The next webinar will address 802.11ac planning issues.

[radek]

Great video, I'd love to see more

[tmmohan]

At 10:00 minutes of this video, you said that GI of 400ns is the communication gap between frames. It is not the gap between frames. It is the gap between the adjacent symbols in the a frame.

[rockythelab]

Hi Wireless experts.

I have a quick question, this could be lame, but an explanation would be highly appreciated.

So, SGI (400ns/800ns) was introduced so that each transmission burst in 802.11 requires a guard interval that makes it so transmissions do not interfere with one another.
Questions : I read in a blog :
In tests done in a closed environment, Without SGI, there was little to no packet error. With SGI, we saw a 30% increase in packet error rate. This is a significant increase in error, meaning that far more collisions are occurring WHY less error without SGI ?

If I disable SGI,   that will lead to less throughput ... why ?

[barryalan]

Is there a 2020 version of training available has any changed?

[barryalan]

Is there newer training updated to 2020?

[Willqad]

How can I be informed on these kind of webinars?