Interframe Space Types - IFS
Six of the most common From shortest to longest: RIFS (Reduced Interframe space): Highest priority - Introduced with 802.11n to provide a shorter interframe space…
Read more →I'm in the process of studying for my CWNA wireless certification. I received a couple of vendor certificates back in 2000 and 2001 when wireless standards and connectivity where in their infancy. I have decided to go with the CWNA-109 exam, a vendor neutral certification to start with. I have been working with Cisco wireless in a corporate environment since 2007.
I use the open-source program, Cherrytree, a hierarchical note taking application I couldn't live without.
Six of the most common From shortest to longest: RIFS (Reduced Interframe space): Highest priority - Introduced with 802.11n to provide a shorter interframe space…
Read more →Basic RF Behaviors: RF Propagation and Coverage: RF signals propagate through various mediums, including air, water, and space. RF propagation is the study of how…
Read more →The IEEE 802.11 standard defines a radio as a station (STA), whether located in a client or an AP. All stations are identified by a…
Read more →The 802.11 standard defines four states of client connectivity. These four states are usually referenced as the 802.11 state machine. Management frame communications are used…
Read more →Keying methods allow data signals to be manipulated so that receiving stations can distinguish between 0s and 1s. These keying methods are also commonly called…
Read more →IEEE 802.11 Standards and 2020 Ratified Amendments 802.11 (1997) Legacy - (DSSS) 802.11b (1999) Wireless LAN (HR-DSSS) 802.11a (1999) WLAN for 5 GHz band (OFDM)…
Read more →802.11 - Legacy - DSSS The first standard for wireless local area networking, utilizing DSSS modulation to transmit data at relatively low speeds. 802.11b -…
Read more →Units of power (absolute) Units of comparison (relative) (W) watt (dB) decibel (mW) milliwatt (dBi) decibels relative to an isotropic radiator decibels relative to 1 milliwatt…
Read more →Transmitter Responsible for determining and generating an AC signal that oscillates on the frequency (2.4 GHz, 5 GHz or 6 GHz) of the operating radio…
Read more →To ensure smooth, secure, and reliable wireless communication, several key organizations play critical roles in developing and regulating the standards that govern this technology. These…
Read more →A data packet is the basic logical unit of information transferred in data communications. It consists of a certain number of data bytes wrapped or…
Read more →Throughput and bandwidth are two important concepts in wireless networks and spread spectrum technologies, but they represent different aspects of data transmission. Bandwidth refers to…
Read more →FCC: The Federal Communications Commission (FCC) is an independent United States government agency that is responsible for regulating interstate and international communications by radio, television, wire, satellite,…
Read more →I managed to come up with a short list that reaches far and wide: One thing to note is that while these organizations and bodies…
Read more →The history of RF (Radio Frequency) and Wi-Fi is a fascinating journey that spans over a century, from the discovery of radio waves to the…
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