Where wireless is a passion
There are many discussions on the internet over whether 2.4GHz is dead or not. My opinion is that it is not dead at all. Should it be used by some applications like voice over Wi-Fi? No. But with having more devices that want to connect with the internet, there are some that are very suitable …
It is not something new, wireless is using a shared medium. Having a shared medium is a problem, as you share it with others. Every new 802.11 standard comes with a faster network. I saw the news release of 802.11ac with up to 6.93 Gbit/s. When you walk into the retail stores you see the …
Wireless is a shared medium so all clients and access points need to wait on each other before they can transmit data. This is to avoid collisions. Wireless uses Carrier Sense Multiple Access / Collision Avoidance. As we know, 802.3 uses CSMA/Collision Detection. You can compare wireless with a phone call—it is a shared medium …
I am not yet studying for CWSP, but for CWAP, it is necessary to understand the frames when a client connects to an access point. If something goes wrong in the authentication/association you need to understand how to troubleshoot. Before starting with my study notes for CWSP, this is a quick overview of what is …
Point to Point connections are interesting in the wireless LAN. Point to Point connections are mostly connections between two buildings. This blog is not about the theory of the Fresnel Zone and the Line of Sight, but I am kind of pretty proud of myself for this image that I created in Microsoft Paint. Keep …
The wireless network needs to be faster and more efficient. Most SOHO environments use nowadays the 802.11n standard, but we have already had a while the possibility to move to a newer amendment, 802.11ac. In an enterprise environment you can use protection mechanisms for better security, but what about public areas? Think about hotels or …