802.11guardinterval

802.11achadtwoGuardInterval(GI)options–longGI(0.8µs)andshortGI(0.4µs).802.11axhasthreetypesofGI–thenormalGI(0.8µs),double(1.6µs)GI ...,2007年5月9日—The802.11nspecifiestwoguardintervals:400ns(short)and800ns(long).Supportofthe400nsGIisoptionalfortransmittingandreceive.,,2020年2月26日—Sinceyouasked,theguardintervalisthetinyamountoftime(like400nanoseconds)thatthetransmitterwaitsbetweensendingonesy...

參考資訊如下
802.11ax guard interval

802.11ac had two Guard Interval (GI) options – long GI (0.8µs) and short GI (0.4µs). 802.11ax has three types of GI – the normal GI (0.8 µs), double (1.6 µs) GI ...

802.11n Guard Intervals (GI)

2007年5月9日 — The 802.11n specifies two guard intervals: 400ns (short) and 800ns (long). Support of the 400ns GI is optional for transmitting and receive.

Guard interval

Guard interval

2020年2月26日 — Since you asked, the guard interval is the tiny amount of time (like 400 nanoseconds) that the transmitter waits between sending one symbol ( ...

Improve Your 802.11n Wireless Performance

Router manufacturers support different versions of 802.11n. The ratified version includes support for features such as short guard interval and frame ...

OFDM Frame and the Guard Interval

For 802.11n/ac/ax/be, the Guard Interval selection is 1/4, 1/8, or 1/16. The Other selection inputs a non-standard Guard Interval value between 0 and 1. Guard ...

Short Guard Interval and multipath effect FAQ

Guard Interval is intended to avoid signal loss from multipath effect. ... NOTE: 802.11 a/b/g requires guard interval (GI) to be 800 ns. ... If you are using 802.11 ...

WiFi基本概念（十六）（Guard Intervals GI） 转载

2021年11月9日 — The 802.11n draft specifies two guard intervals: 400ns (short) and 800ns (long). Support of the 400ns GI is optional for transmit and ...

WiFi測試小知識之十二：長GI與短GI有什麽區别和影響

Short GI(Guard Interval)是802.11n針對802.11a/g所做的改進。射頻芯片在使用OFDM調制方式發送數據時，整個幀是被劃分成不同的數據塊進行發送的，爲了數據傳輸的可靠 ...