Hello, everyone!
Today, I would like to share a brief introduction on 802.11ac.
This standard is one of the arrangements of WLAN norms and its advancement is after IEEE 802.11n. This 802.11ac innovation is created to give information rate in Gbps to remote gadgets essentially for WLAN applications.
In the past renditions of 802.11 arrangement of norms were intended for single client activity. In 802.11ac multi-client idea was presented with multiuser MIMO highlight. Beamforming has been added to cover more locale and explicit areas with the engaged pillar idea.
Multi client 802.11ac MIMO(Multi user MIMO) :
Following are the highlights of 802.11ac innovation.
Frequency Bands - 5 GHz
Channel Bandwidths - 20 MHz, 40 MHz, 80+80 MHz, 160 MHz
FFT sizes - 64, 128, 256, 512
Subcarrier dividing - 312.5 KHz
OFDM image length - 3.2µs + 0.8/0.4 µs CP
Modulation plot (most noteworthy) - 256 QAM
Data rates - 433 Mbits/sec(with 80 MHz and 1 Spatial Streams(SS)), 6.933 Gbits/sec (with 160MHz, 8 SS)
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