CWAP – HT Control Field
The 802.11n amendment add a 4 byte HT control field to the 802.11 MAC header. With this HT Control field …
Author Archives: nayarasi
CWAP – HT Capabilities IE
802.11n introduces 4 new information elements which can be seen in 802.11n (HT) beacon frames. HT STAs declare themselves as …
CWAP – 802.11n Introduction
802.11n-2009 (HT-Clasue 20) amendment was ratified on September 2009, essentially a list of enhancement to improve the performance & throughput …
WLC Client Debug – Part 2
In this post we will see how to utilize “debug clinet x.x.x.x” output to understand the process a wireless client …
CWAP – Spectrum Analysis
WiFi Spectrum Analyzer considerations – Frequency – Form factor – Price – Hardware Platform – Resolution – Supporting Software – …
WLC Client Debug – Part 1
When you are troubleshooting wireless client connectivity issues there is a one command you always need to use. “debug client …
CWAP – 2.4GHz vs 5GHz
2.4GHz (2.4000 GHz to 2.4835 GHz) – 802.11 (FHSS clause 14 or DSS clause 15 radios) – 802.11b (HR-DSSS clause …
CWAP 802.11 PHY – PPDU
802.11 Physical (PHY) layer is divided into two sublayers 1. PLCP (Physical Layer Convergence Procedure) sublayer 2. PMD (Physical Medium …
CWAP – 802.11 Power Management
A wireless radio can perform one of the 4 activities. Power consumed by each activity increases in the given order …
CWAP – 802.11 Data Frame Types
There are 15 different types of Data Frames defined in IEEE 802.11-2007 standard. Data frames with a value of 1 …
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