Why I Ask Why (And My Review of Matthew Gast's 802.11ac Book)
802.11ac: A Survival Guide is a recently published handbook about 802.11ac. The author is Matthew Gast, a very knowledgeable WiFi guy who follows the IEEE 802.11 Working Group closely. I recommend the book if you work in WiFi. It is informative. There is great attention to detail. All areas of the subject are covered. But I was left uninspired. And my uninspiration (is that a word?) was the result of the book being short on something that I always hope to find in any technical writing: the Why. In some ways yours truly is the target audience for the book and in some ways I'm not. I need to know the intricate details of how WiFi works. (Point) I already knew most of the tweaks that 802.11ac is making to 802.11n. (Counterpoint) The physical layer is the most important part of 802.11ac, and that is where this book wins. For example, before I read the book I was unaware that 802.11ac allows devices with different channel bonding capabilities can access a wider chann