Malline:IEEE 802.11 -verkkostandardit
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| 802.11- protokolla |
Julkaisu- päivä[1] |
Taajuus | Kaista | Maksimisiirtonopeus [2] | Sallitut MIMO streamit |
Modulaatio | Arvioitu kantavuus | |||
|---|---|---|---|---|---|---|---|---|---|---|
| sisätiloissa | ulkona | |||||||||
| (GHz) | (MHz) | (Mbit/s) | (m) | (m) | ||||||
| 802.11-1997 | Kesäkuu 1997 | 2.4 | 22 | 1, 2 | n/a | DSSS, FHSS | 20 | 100 | ||
| a Wi-Fi 2 |
Syyskuu 1999 | 5 | 20 | 6, 9, 12, 18, 24, 36, 48, 54 | — | OFDM | 35 | 120 | ||
| 3.7 | — | 5000 | ||||||||
| b Wi-Fi 1 |
Syyskuu 1999 | 2.4 | 22 | 1, 2, 5.5, 11 | — | DSSS | 35 | 140 | ||
| g Wi-Fi 3 |
Kesäkuu 2003 | 2.4 | 20 | 6, 9, 12, 18, 24, 36, 48, 54 | n/a | OFDM | 38 | 140 | ||
| n Wi-Fi 4 |
Lokakuu 2009 | 2.4/5 | 20 | 400 ns GI : 7.2, 14.4, 21.7, 28.9, 43.3, 57.8, 65, 72.2 800 ns GI : 6.5, 13, 19.5, 26, 39, 52, 58.5, 65 | 4 | MIMO-OFDM | 70 | 250[3] | ||
| 40 | 400 ns GI : 15, 30, 45, 60, 90, 120, 135, 150 800 ns GI : 13.5, 27, 40.5, 54, 81, 108, 121.5, 135 | 70 | 250[3] | |||||||
| ac Wi-Fi 5 |
Joulukuu 2013 | 5 | 20 | 400 ns GI : 7.2, 14.4, 21.7, 28.9, 43.3, 57.8, 65, 72.2, 86.7, 96.3 800 ns GI : 6.5, 13, 19.5, 26, 39, 52, 58.5, 65, 78, 86.7 | 8 | 35[4] | ||||
| 40 | 400 ns GI : 15, 30, 45, 60, 90, 120, 135, 150, 180, 200 800 ns GI : 13.5, 27, 40.5, 54, 81, 108, 121.5, 135, 162, 180 | 35[4] | ||||||||
| 80 | 400 ns GI : 32.5, 65, 97.5, 130, 195, 260, 292.5, 325, 390, 433.3 800 ns GI : 29.2, 58.5, 87.8, 117, 175.5, 234, 263.2, 292.5, 351, 390 | 35[4] | ||||||||
| 160 | 400 ns GI : 65, 130, 195, 260, 390, 520, 585, 650, 780, 866.7 800 ns GI : 58.5, 117, 175.5, 234, 351, 468, 702, 780 | 35[4] | ||||||||
| ad | Joulukuu 2012 | 60 | 2 160 | Jopa 6 912 (6.75 Gbit/s) [5] | n/a | OFDM, single carrier, low-power single carrier |
60 | 100 | ||
| ah | n. 2016[1] | 0.9 | ||||||||
| aj | n. 2016[1] | 45/60 | ||||||||
| ax Wi-Fi 6 |
n. 2019[1] | 2.4/5 | MIMO-OFDM | |||||||
| ay | 2017 | 60 | 8000 | Jopa 100 000 (100 Gbit/s) | 4 | OFDM, single carrier, |
60 | 1000 | ||
| be Wi-Fi 7 |
TBD | 2.4/5/6Ghz | -- | -- | -- | [4K QAM, |
-- | -- | ||
Lähteet
[muokkaa wikitekstiä]- ↑ a b c d Official IEEE 802.11 working group project timelines grouper.ieee.org. Kesäkuu 2, 2014. Viitattu 3.6.2014.
- ↑ Wi-Fi CERTIFIED n: Longer-Range, Faster-Throughput, Multimedia-Grade Wi-Fi® Networks. Wi-Fi Alliance, September 2009. Artikkelin verkkoversio. (registration required)
- ↑ a b 802.11n Delivers Better Range Wi-Fi Planet. 31.5.2007.
- ↑ a b c d IEEE 802.11ac: What Does it Mean for Test? LitePoint. Lokakuuober 2013.
- ↑ WiGig and IEEE 802.11ad For Multi-Gigabyte-Per-Second WPAN and WLAN Tensorcom Inc..