Where wireless is a passion
Hereby my plan of action for preparing for Certified Wireless Analysis Professional. You need to understand the exam objects and not remembering questions. What the hard part is about analyzing wireless problems, you cannot learn it from books (in my opinion). My recommendation is to have real life experiences before taking this test. Use WireShark …
Probably you would not believe it, but there are common wireless issues/limitations as well. Insufficient Capacity Think about networks with mixed PHYs. When there is an HT only network and an ERP client is going to associate with this network. The access point will implement a protection mechanism that have influence on the throughput. Another …
If there is a Wi-Fi issue, this doesn’t mean it is a wireless cause. There are still some wired services that can have affect on the wireless network. In this blog, I want to write down how to troubleshoot the wired network for wireless purposes. We can use protocol analyzers like we use for wireless …
Like protocol analysis, you can do spectrum analysis with multiple devices. You can do mobile (laptop with an adapter) or infrastructure (with an access point). With a spectrum analysis, you are only looking to the RF, so it doesn’t matter if the network is 802.11n or 802.11ac. In infrastructure spectrum analysis, there are two options. …
The second blog about RF Math is about calculation dBm to mW and mW to dBm. The rules from the 10s and the 3s still apply, but you need to change the mindset. A new basic rule is that 0 dBm is equal to 1 mW. With the rules of 10 and rules of 3 …
If you ask me what one of my favorite subjects was in high school, I’d definitely pick math. When I did the CWNA training I loved the math part and now during my preparation of CWAP, I’m getting a review of math. I believe not everybody is good in (or likes) math, so writing this …