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advanced-wireless [2022/03/09 15:46] – [Bluetooth Coexistence] hogwildadvanced-wireless [2022/03/09 15:47] – [Explicit beamforming]-spelling hogwild
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 ==== Explicit beamforming ==== ==== Explicit beamforming ====
  
-Checking this enables Explicit beamforming technology. Traditionally, most Wi-Fi routers and access points have included omnidirectional antennas. These radiate radio energy equally in all directions. This is not always the most effective/efficient way to exchange radio signals with a client device. Much of the signal goes off in directions other than the client or other device. Explicit beamforming improves on this.+Checking this enables Explicit beamforming technology. Traditionally, most WiFi routers and access points have included omnidirectional antennas. These radiate radio energy equally in all directions. This is not always the most effective/efficient way to exchange radio signals with a client device. Much of the signal goes off in directions other than the client or other device. Explicit beamforming improves on this.
  
 Beamforming radiates signals towards the receiver, instead of in an omnidirectional pattern. If the hardware has adequate information to send the radio energy in one particular direction, it will do so. The result can be an increase the signal-to-noise ratio and data rates between the two devices. Beamforming radiates signals towards the receiver, instead of in an omnidirectional pattern. If the hardware has adequate information to send the radio energy in one particular direction, it will do so. The result can be an increase the signal-to-noise ratio and data rates between the two devices.
  
-Beamforming was introduced starting with 802.11n. but vendors used different standards. This meant beamforming made little differnece in performance. With 802.11ac, the beamforming method was standardized (Explicit). Compatibility across vendors is good. Explicit beamforming requires both client and router/Access point to support the feature. If both devices support it, they'll use a handshake at the beginning of their session to help establish their respective locations and the channel on which they'll communicate.+Beamforming was introduced starting with 802.11n. but vendors used different standards. This meant beamforming made little difference in performance. With 802.11ac, the beamforming method was standardized (Explicit). Compatibility across vendors is good. Explicit beamforming requires both client and router/Access point to support the feature. If both devices support it, they'll use a handshake at the beginning of their session to help establish their respective locations and the channel on which they'll communicate.
  
 Beamforming works best at medium range. At short range, the signal power is high enough that the signal-to-noise ratio will support the maximum data rate. At long ranges, beamforming does not offer gains over an omnidirectional antenna. Beamforming works best at medium range. At short range, the signal power is high enough that the signal-to-noise ratio will support the maximum data rate. At long ranges, beamforming does not offer gains over an omnidirectional antenna.
advanced-wireless.txt · Last modified: 2024/03/02 18:01 by hogwild

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