400nsvs800ns

...800ns的時間間隔也就是長GI,但11n則不一定要,但由于11n在缺省時爲長GI,在多徑效應不嚴重的情況下,我們可以配置爲短GI也就是400ns,這樣可以提高吞吐量近10%。上一 ...,2021年11月9日—The802.11ndraftspecifiestwoguardintervals:400ns(short)and800ns(long).Supportofthe400nsGIisoptionalfortransmitand ...,AirMaxradios,whichhavebeenoutsince2010or2011,usea802.11nchip,butrunUbiquiti'sTDMAimplementation....Wit...

WiFi測試小知識之十二:長GI與短GI有什麽區别和影響

... 800ns的時間間隔也就是長GI,但11n則不一定要,但由于11n在缺省時爲長GI,在多徑效應不嚴重的情況下,我們可以配置爲短GI也就是400ns,這樣可以提高吞吐量近10%。 上一 ...

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 ...

multipath 800ns guard time

AirMax radios, which have been out since 2010 or 2011, use a 802.11n chip, but run Ubiquiti's TDMA implementation. ... With the 400ns guard interval, even less ...

WLAN知识点——GI(Guard Interval)

2013年5月23日 — 802.11a/g协议的GI 时长为800ns,而Short GI时长为400ns,在使用Short GI的情况下,可提高10%左右的速率。另外,Short GI与带宽无关,支持20MHz、40MHz ...

How Stuff Works

2009年2月11日 — In normal 802.11 operation, the guard interval is 800 ns. With ... The short guard interval time is 400ns, or half of what it used to be.

What every IT professional should know about 802.11n ...

2009年5月14日 — In normal 802.11 operation, the guard interval is 800 ns. With ... The short guard interval time is 400ns, or half of what it used to be.

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.

Short Guard Interval and multipath effect FAQ

From 802.11n and the next 802.11ac, short guard interval (400 ns) is introduced while the default value of GI is still set as 800 ns. When to use short GI? When ...

IEEE 802.11n

800 ns GI, 400 ns GI, 800 ns GI, 400 ns GI, 800 ns GI, 400 ns GI, 800 ns GI, 400 ns GI. 0, BPSK, 1/2, 1, 6.5, 7.2, 13.5, 15, 29.3, 32.5, 58.5, 65. 1, QPSK, 1/2 ...