802.11g Working process

DDSN · Created Sep 10, 2021 16:01:00

Hi Abdussamed,

When the radio sends data in OFDM modulation mode, it divides a frame into different data blocks to send. To ensure data transmission reliability, the guard interval (GI) is used between the data blocks to ensure that the receiving end correctly parses each data block. During spatial propagation, the delay will occur on wireless signals at the receiving end because of multipath. If subsequent data blocks are transmitted fast, these data blocks will interfere with the original data block. The GI is used to avoid such interference. The common GI is 800 ns, whereas the short GI defined in the 802.11n standard is 400 ns, which increases the physical connection rate by 11%.

gzzz · Created Sep 10, 2021 14:55:31

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DDSN · Created Sep 10, 2021 16:01:00

Hi Abdussamed,

When the radio sends data in OFDM modulation mode, it divides a frame into different data blocks to send. To ensure data transmission reliability, the guard interval (GI) is used between the data blocks to ensure that the receiving end correctly parses each data block. During spatial propagation, the delay will occur on wireless signals at the receiving end because of multipath. If subsequent data blocks are transmitted fast, these data blocks will interfere with the original data block. The GI is used to avoid such interference. The common GI is 800 ns, whereas the short GI defined in the 802.11n standard is 400 ns, which increases the physical connection rate by 11%.

Navin_kay · Created Oct 4, 2021 04:59:30

Good

802.11g Working process

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802.11g Working process

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