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 …
Tag Archives: CWAP
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 …
CWAP – Spectrum Analysis
WiFi Spectrum Analyzer considerations – Frequency – Form factor – Price – Hardware Platform – Resolution – Supporting Software – …
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 …
CWAP – 802.11 Medium Contention
DCF– Distributed Coordination Function : Non-QoS WLAN HCF with EDCA – Hybrid Coordination Function : QoS WLAN EDCA– Enhanced Distributed …
802.11 Mgmt : Deauth & Disassociation Frames
Deauthentication Frame Station or AP can send a Deauthentication Frame when all communications are terminated (When disassociated, still a station …
802.11 Mgmt : Authentication Frame
Once a client station is discover a SSID (Probe Request/Response or listening to Beacons) it move to Join phase. This …
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