ืชื–ื›ื•ืจืช "ืฉื™ืคื•ืจ ืื™ื›ื•ืช ื—ื™ื‘ื•ืจ ื”-Wi-Fi"

ืชื–ื›ื•ืจืช "ืฉื™ืคื•ืจ ืื™ื›ื•ืช ื—ื™ื‘ื•ืจ ื”-Wi-Fi"
ื™ืฉ ื›ื‘ืจ ื”ืจื‘ื” ืžืืžืจื™ื ื‘ืื™ื›ื•ืช ื’ื‘ื•ื”ื” ืขืœ Habrรฉ ืขื ื”ืกื‘ืจ ืžืคื•ืจื˜ ืขืœ ืื™ืš Wi-Fi ืขื•ื‘ื“ ื•ื›ื™ืฆื“ ืœื”ื’ื“ื™ืจ ืื•ืชื•. ืื•ืœื ืœื›ืœ ื”ืžืืžืจื™ื ื”ืœืœื• ื™ืฉ ืœืคื—ื•ืช ื›ืžื” ื—ืกืจื•ื ื•ืช ื”ืžื•ื ืขื™ื ืžื”ื ืœื”ื™ื ืชืŸ ื›ื”ื ื—ื™ื” ืœืคืขื•ืœื” ืœืฉื›ืŸ ืžื•ืชื ื” ื‘ื‘ื ื™ื™ืŸ ืจื‘ ืงื•ืžื•ืช ืื• ืœืชืœื•ืช ืชื“ืคื™ืก ืขืœ ื”ืงื™ืจ ื‘ื›ื ื™ืกื”:

1. ืœืœื ื”ืฉื›ืœื” ื”ื ื“ืกื™ืช ืœืคื—ื•ืช, ืงืฉื” ืœื”ื‘ื™ืŸ ื•ืœื™ื™ืฉื ืืช ืจื•ื‘ ื”ื—ื•ืžืจ ื‘ืคื•ืขืœ

2. ื”ืžืืžืจื™ื ืžื›ื™ืœื™ื "ื™ื•ืชืจ ืžื“ื™ ืžื›ืชื‘ื™ื" ืœืื“ื ืฉืื™ืŸ ืœื• ืžื•ื˜ื™ื‘ืฆื™ื” ืœืขืฉื•ืช ื“ื‘ืจ ื›ื“ื™ ืœื”ืชืขื ื™ื™ืŸ ื‘ืงืจื™ืืช ื ืคื— ื›ื–ื” ืฉืœ ื˜ืงืกื˜

2.1. ืœืื ืฉื™ื ืื™ืŸ ืžื•ื˜ื™ื‘ืฆื™ื” ื›ื™ ื”ืžืฆื‘ ื”ืงื™ื™ื ื”ื•ื: "ืœืžื” ืœืขืฉื•ืช ืžืฉื”ื• ื‘ื›ืœืœ ืื ื”ื›ืœ ื›ื‘ืจ ืขื•ื‘ื“"

2.2. ื”ืจื•ื‘ ื‘ื˜ื•ื—ื™ื ืฉ"ื–ื” ื—ื™ื™ื‘ ืœืขื‘ื•ื“ ืœื‘ื“" ื‘ืคื•ืจืžื˜ "ืงื ื™ืชื™ ืื•ืชื• ื•ื—ื™ื‘ืจืชื™ ืื•ืชื• ืœืฉืงืข ื—ืฉืžืœ"

2.3. ืื ืฉื™ื ืืคื™ืœื• ืœื ื—ื•ืฉื‘ื™ื ืฉ-Wi-Fi ื™ื›ื•ืœ ืœืขื‘ื•ื“ ื˜ื•ื‘ ื™ื•ืชืจ, ื”ื ืคืฉื•ื˜ ืœื•ืงื—ื™ื ืืช ื–ื” ื›ืžื•ื‘ืŸ ืžืืœื™ื• ื›ื™ ืœืขืชื™ื ืงืจื•ื‘ื•ืช ืืคื™ืœื• ื”ืฆื™ื•ื“ ืฉืœื”ื ื”ื•ื ืžื”ืกืคืง

3. ื—ืœืง ืžื”ื ืงื•ื“ื•ืช ื‘ืžืืžืจื™ื ื”ืงื™ื™ืžื™ื ืื™ื ืŸ ืžืฆื•ื™ื ื•ืช ื›ืœืœ ืื• ืื™ื ืŸ ืžืคื•ืจื˜ื•ืช ืžืกืคื™ืง, ืœืžืฉืœ, ืœื ื ื™ืชื ื•ืช ื”ืžืœืฆื•ืช ืžืคื•ืจืฉื•ืช ืขืœ ื”ืžื™ืงื•ื ื”ืคื™ื–ื™ ืฉืœ ื”ืฆื™ื•ื“

3.1. ืฆื™ื•ื“ ืฉืœ ืื ืฉื™ื "ื‘ื˜ื‘ืข" ื™ื›ื•ืœ ืœื”ื™ื•ืช ืžืžื•ืงื ืขืœ ื”ืจืฆืคื” ืขื ืื ื˜ื ื•ืช ื‘"ื–ืจ" ืื• ืืคื™ืœื• ืฉื•ื›ื‘ ื‘ืคื™ื ื”

4. ืœื‘ื—ื™ืจืช ืขืจื•ืฆื™ื ื‘ื˜ื•ื•ื— 2.4 ื’ื™ื’ื”-ื”ืจืฅ ื ื™ืชื ื•ืช ื”ืžืœืฆื•ืช ื”ืจืœื•ื•ื ื˜ื™ื•ืช ืจืง ืœืฆืคื•ืŸ ืืžืจื™ืงื” ื•ืื™ื ืŸ ืื•ืคื˜ื™ืžืœื™ื•ืช ืœืฉืืจ ื”ืขื•ืœื

5. ืœื›ื•ืชื‘ื™ ื”ืžืืžืจื™ื, ืขืงื‘ ืขื™ื•ื•ืช ืžืงืฆื•ืขื™ ืฉืœ ืชืคื™ืกื”, ื›ืžื• ืœื›ืœ ืžื•ืžื—ื™ื, ื™ืฉ ืืฉืœื™ื” ืฉืžืฉืชืžืฉื™ื ื‘ื™ืชื™ื™ื ื™ืฉืชืžืฉื• ื‘ืคืชืจื•ื ื•ืช ืื•ืคื˜ื™ืžืœื™ื™ื, ืœืžืฉืœ, ืจืง ืขืจื•ืฆื™ 20 ืžื’ื”-ื”ืจืฅ.

5.1. ื›ืžื•ื‘ืŸ ืฉืœื, ื›ื™ ื’ื ืžื™ ืฉื ื™ืกื” ืœืฉื ื•ืช ืžืฉื”ื• ื‘ื”ื’ื“ืจื•ืช ืจื•ืื” ืืช ื–ื” ื‘-40 ืžื’ื”-ื”ืจืฅ ืžื”ื™ืจื•ืช ืžืจืื” ืžื”ื™ืจื•ืช ื”ืจื‘ื” ื™ื•ืชืจ ื’ื‘ื•ื”ื”

5.2. ื‘ืจื•ื‘ ื”ืžื›ืจื™ืข ืฉืœ ื”ืฆื™ื•ื“, ื‘ืžื™ื•ื—ื“ ื‘ื’ื–ืจืช ื”ืชืงืฆื™ื‘, ื”ื›ืœ ืจืข ืžืื•ื“ ืขื ื”ื”ื’ื“ืจื•ืช, ืืชื” ื™ื›ื•ืœ ืœื‘ื—ื•ืจ ืขืจื•ืฅ, ืœืคืขืžื™ื ืžืฆื‘ 20/40 ื•ืœืขืชื™ื ืงืจื•ื‘ื•ืช, ืืœื” ื›ืœ ื”ื”ื’ื“ืจื•ืช ื”ื–ืžื™ื ื•ืช

ืงื™ืฉื•ืจ ืœืชื–ื›ื™ืจ ื‘-pdf (wdho.ru)

ื”ืชื–ื›ื™ืจ ืžืกืคืง ื”ืžืœืฆื•ืช ืœืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ืฉืœ ื”ืคืจื™ืกื” ื”ืคื™ื–ื™ืช ืฉืœ ื”ืฆื™ื•ื“ ื•ื”ืชืืžื” ื ื›ื•ื ื” ืฉืœ ืžื™ืงื•ื ื”ืื ื˜ื ื•ืช. ื‘ืคื•ืขืœ, ื–ื” ื—ืฉื•ื‘ ืžืื•ื“ ืžืื—ืจ ื•ื“ืจื•ืฉ ื›ืžื•ืช ืžื™ื ื™ืžืœื™ืช ืฉืœ ืžืงื•ื ืžืกื‘ื™ื‘ ืœืื ื˜ื ื” ื›ื“ื™ ืฉื”ื™ื ืชืขื‘ื•ื“. ื›ืžื• ื›ืŸ ื ื™ืชื ื•ืช ื”ืžืœืฆื•ืช ืขืœ ื”ืฆื•ืจืš ื‘ื”ืืจืงื” ื ื›ื•ื ื” ืฉืœ ืžืงื•ืจื•ืช ื”ืคืจืขื”.

ื›ื”ืžืœืฆื” ืœื‘ื—ื™ืจืช ืขืจื•ืฆื™ื, ื”ืชื–ื›ื™ืจ ืžืฉืชืžืฉ ื”ืžืœืฆื•ืช ืžืงื•ื‘ืœื•ืช ืขื‘ื•ืจ ืื–ื•ืจื™ื ืื—ืจื™ื ืžืœื‘ื“ ืฆืคื•ืŸ ืืžืจื™ืงื”, ื›ืœื•ืžืจ ืขืจื•ืฆื™ื 1/5/9/13.

ืงืจื ืขื•ื“
ืขืจื•ืฆื™ื ื‘-OFDM (802.11 a,g,n,ac) ืœื ืจืง ืชื•ืคืกื™ื 20 ืžื’ื”-ื”ืจืฅ, ื•ืœื 22 ืžื’ื”-ื”ืจืฅ ื›ืžื• DSSS (802.11 b), ืืœื ื’ื ืžื›ื™ืœื™ื ืชืช-ื ืฉืื™ ืฉืžื™ืจื” (ืืคืก) ื‘ืงืฆื•ื•ืช, ื›ืš ืฉื”ืฉื™ืžื•ืฉ ื”ื–ื” ื”ื•ื ื”ืื•ืคื˜ื™ืžืœื™ ื‘ื™ื•ืชืจ ืžื›ื™ื•ื•ืŸ ืฉื”ื•ื ืžืืคืฉืจ ืฉื™ืžื•ืฉ ื‘ืืจื‘ืขื” ืขืจื•ืฆื™ 20 ืžื’ื”-ื”ืจืฅ ื‘ืžืงื•ื ืฉืœื•ืฉื” ื‘ืจืฆื•ืขืช ื”-2.4 ื’ื™ื’ื”-ื”ืจืฅ ืื• ืฉื ื™ ืขืจื•ืฆื™ 40 ืžื’ื”-ื”ืจืฅ ื‘ืžืงื•ื ืื—ื“. ื‘ืขืจื•ืฅ OFDM ืฉืœ 20 ืžื’ื”-ื”ืจืฅ, ืžืชื•ืš 64 ืกืคืงื™ ืžืฉื ื”, ื”-8 ื”ื—ื™ืฆื•ื ื™ื™ื (4 ืžื›ืœ ืฆื“) ืื™ื ื ืžืฉืžืฉื™ื ืœื”ืขื‘ืจืช ื ืชื•ื ื™ื, ื•ื”ืื ืจื’ื™ื” ืฉืœื”ื ืฉื•ืืคืช ืœืืคืก. ืขื‘ื•ืจ ืขืจื•ืฅ 40 ืžื’ื”-ื”ืจืฅ, ื›ื‘ืจ ืœื ื ืขืฉื” ืฉื™ืžื•ืฉ ื‘-128 ืžืชื•ืš 8. ื›ืืŸ ื‘ืชืžื•ื ื”, ื”ืื–ื•ืจื™ื ื”ืœื‘ื ื™ื (ืœื ื”ื•ืจื•ื“ื™ื) ื”ื ื ื•ืฉืื™ ื”ืžืฉื ื” ื”ืžื’ื ื™ื ื‘ืื•ืช. ื”ืจื•ื—ื‘ ืฉืœ ืชืช-ื ืฉื ืื—ื“ ืขื‘ื•ืจ 802.11 g/n/ac ื”ื•ื 312.5 ืงื™ืœื•-ื”ืจืฅ.
ืชื–ื›ื•ืจืช "ืฉื™ืคื•ืจ ืื™ื›ื•ืช ื—ื™ื‘ื•ืจ ื”-Wi-Fi"
ื”ืขืจื”: ืขืจื•ืฆื™ื ื‘ืจื•ื—ื‘ ืฉืœ 40 ืžื’ื”-ื”ืจืฅ: "ืขืจื•ืฅ 3" ื•-"ืขืจื•ืฅ 11" ื‘ืชืจืฉื™ื ื‘ืื•ื•ื™ืจ ื”ื ืฉื ื™ ืขืจื•ืฆื™ 20 ืžื’ื”-ื”ืจืฅ ืฉื‘ื”ื ืžื•ืขื‘ืจ ืžื™ื“ืข ืฉื™ืจื•ืช ืจืง ื‘ืขืจื•ืฅ ื”ืจืืฉื™. ืœื”ืคืขืœื” ื ื›ื•ื ื” ื•ื”ื™ืขื“ืจ ื”ืชื ื’ืฉื•ืช ื‘ื™ืŸ ืจืฉืชื•ืช, ื™ืฉ ืฆื•ืจืš ืฉื›ืœ ืจืฉืชื•ืช ื”-40 ืžื’ื”-ื”ืจืฅ ื™ืคืขืœื• ืขื ืื•ืชื ืขืจื•ืฆื™ื ืจืืฉื™ื™ื ื•ื ื•ืกืคื™ื. ืžื›ื™ื•ื•ืŸ ืฉื”ืจื•ื‘ ื”ืžื›ืจื™ืข ืฉืœ ื”ืฆื™ื•ื“ ืžืืคืฉืจ ืœืš ืœื”ื’ื“ื™ืจ ื‘ืื•ืคืŸ ืžืคื•ืจืฉ ืจืง ืืช ื”ืขืจื•ืฅ ื”ืจืืฉื™, ื‘ืขืช ืฉื™ืžื•ืฉ ื‘ืขืจื•ืฆื™ 40 ืžื’ื”-ื”ืจืฅ ืขื‘ื•ืจ ื›ืœ ื”ื ืชื‘ื™ื, ืขืœื™ืš ืœื‘ื—ื•ืจ ืจืง ืืช ื”ืขืจื•ืฆื™ื 1 ื•-13 ื‘ื”ื’ื“ืจื•ืช; ื‘ื—ื™ืจืช ืขืจื•ืฆื™ื ืื—ืจื™ื, ื”ืŸ 40 ืžื’ื”-ื”ืจืฅ ื•ื”ืŸ 20 ืžื’ื”-ื”ืจืฅ, ืชืขืฉื” ืœื”ื•ื‘ื™ืœ ืœืงื•ื ืคืœื™ืงื˜ื™ื ื•ื‘ื™ืฆื•ืขื™ ืจืฉืช ื’ืจื•ืขื™ื ื›ื•ืœื!

ื›ืชื•ืกืคืช, ื‘ื”ืงืฉืจ ืฉืœ ื›ื™ื‘ื•ื™ ืฆื™ื•ื“ ืฉืœื ื ืขืฉื” ื‘ื• ืฉื™ืžื•ืฉ, ื ื™ืชื ืช ื“ื•ื’ืžื” ืœื ืชื‘ MGTS, ืฉืจื•ื‘ื ืื™ื ื ืžืฉืžืฉื™ื ืœืื™ื ื˜ืจื ื˜ (ืžืฉืชืžืฉื™ื ืจืง ื‘ื˜ืœืคื•ืŸ ืงื•ื•ื™), ื•ืœืจื•ื‘ ื”ื•ืชืงื ื• ื‘ื›ื•ื—. ืื– Wi-Fi ื‘ื ืชื‘ื™ื ื”ืืœื” ื”ื•ื ื›ืžืขื˜ ืชืžื™ื“ ื—ืกืจ ืชื•ืขืœืช ื•ืจืง ืžืฉื“ืจ ืžืฉื•ืื•ืช 10 ืคืขืžื™ื ื‘ืฉื ื™ื™ื”.

ืžืืžืจื™ื ืงื™ื™ืžื™ื ืขืœ Habrรฉ
Wi-Fi: ื ื™ื•ืื ืกื™ื ืœื ื‘ืจื•ืจื™ื (ื‘ืืžืฆืขื•ืช ื“ื•ื’ืžื” ืฉืœ ืจืฉืช ื‘ื™ืชื™ืช)
ืฉื™ื˜ื•ืช ืœืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ืฉืœ ืงืœื™ื˜ื”/ืฉื™ื“ื•ืจ ื‘ืจืฉืชื•ืช Wi-Fi
ืžื“ื•ืข Wi-Fi ืœื ื™ืขื‘ื•ื“ ื›ืžืชื•ื›ื ืŸ ื•ืžื“ื•ืข ืืชื” ืฆืจื™ืš ืœื“ืขืช ื‘ืื™ื–ื” ื˜ืœืคื•ืŸ ื”ืขื•ื‘ื“ ืฉืœืš ืžืฉืชืžืฉ
ืžื”ื™ืจื•ืช Wi-Fi ืืžื™ืชื™ืช (ื‘ืืจื’ื•ื ื™ื)
ื”ื“ื‘ืจ ื”ื›ื™ ื—ืฉื•ื‘ ื‘-Wi-Fi 6. ืœื, ื‘ืจืฆื™ื ื•ืช
ื‘ื—ืจ ืขืจื•ืฅ ืขื‘ื•ืจ ื ืงื•ื“ืช ื”ื’ื™ืฉื” ืœ-Wi-Fi. ืžื“ืจื™ืš ืžืงื™ืฃ

ืื•ืœื™ ืœื ื›ืœืœืชื™ ื›ืืŸ ืืช ื›ืœ ื”ืงื™ืฉื•ืจื™ื ื”ืžืขื ื™ื™ื ื™ื, ื ื ืœื”ื•ืกื™ืฃ ืื•ืชื ื‘ืชื’ื•ื‘ื•ืช.

ื‘ืื•ืคืŸ ื›ืœืœื™, ืื ื™ ืžืงื•ื•ื” ืœื”ืขืจื•ืช ื•ืชื•ืกืคื•ืช. ืื ื™ ืœื ืจื•ืฆื” ืœื ืคื— ืžืื•ื“ ืืช ื’ื•ื“ืœ ื”ืชื–ื›ื™ืจ, ื•ืื™ืŸ ืื™ืคื” ืœืขืฉื•ืช ืืช ื–ื”. ื‘ื›ืœ ื–ืืช, ืื ื™ ืžืงื•ื•ื” ืœื”ืกืชื“ืจ ื‘ืขืจืš ืขื ื’ื™ืœื™ื•ืŸ ืื—ื“ ื”ืงื™ื™ื ืฉืœ A4 ืžืฉื ื™ ื”ืฆื“ื“ื™ื ื•ืื•ืชื• ื’ื™ืœื™ื•ืŸ ืœืชื•ืกืคื•ืช, ืื‘ืœ ืื ืžืฉื”ื• ื—ืฉื•ื‘ ืฆืจื™ืš ืœื”ื•ืกื™ืฃ ืื• ืฆืจื™ืš ืœืžื—ื•ืง ืžืฉื”ื• ืžื™ื•ืชืจ, ืื– ื”ืงืคื™ื“ื• ืœื›ืชื•ื‘.

ืžื•ืกืฃ 20.07.10: ื”ืชื–ื›ื™ืจ ืขื•ื“ื›ืŸ (ื”ื˜ืงืกื˜ ื ื•ืงื” ืžืขื˜). ื”ืชื–ื›ื™ืจ ืงื™ื™ื ื“ื™ ื”ืจื‘ื” ื–ืžืŸ. ืœื ืคืจืกืžืชื™ ืืช ื–ื” ื‘ื”ืื‘ืจ ื‘ื“ื™ื•ืง ืžื”ืกื™ื‘ื” ืฉืœืงื”ืœ ื”ื™ืขื“ ื‘ืจื•ืจ ืฉืื™ืŸ ืืช ื”ืชื–ื›ื™ืจื™ื ื›ืืŸ. ืคืจืกืžืชื™ ืชื–ื›ื™ืจ, ืœื ืžืืžืจ, ืœืžืขืŸ ื‘ื™ืงื•ืจืช ื‘ื•ื ื”. ืžืžืฉ ื‘ื™ืงื•ืจืช ื‘ื•ื ื” ืงื™ื‘ืœื•, ื”ื›ืจืช ืชื•ื“ื” ืคืจืง ื–ืžืŸ, ืขื›ืฉื™ื• ืื ื™ ืœืื˜ ืœืื˜ ืžืฉื›ืชื‘ ืืช ื”ืžืกืžืš ื‘ืžื‘ื˜ ืจืขื ืŸ. ืœืื—ืจ ื›ืœ ื”ืฉื™ื ื•ื™ื™ื, ื”ืžืกืžืš ื™ืคื•ืจืกื ื‘-Pikabu ื•ื‘-JoyReactor ื›ื™ ืฉื ืงื”ืœ ื”ื™ืขื“ ืฉืœื•, ื›ืœื•ืžืจ ืžืฉืชืžืฉื™ ืจืฉืช ืจื’ื™ืœื™ื.

ืžืงื•ืจ: www.habr.com

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