ื•ื•ืึธืก ืึทื•ื•ื™ื™ืฅ ืื•ื ื“ื– ืื™ืŸ Wi-Fi 7, IEEE 802.11be?

ืœืขืฆื˜ื ืก, ื“ื™ื•ื•ื™ื™ืกืึทื– ื•ื•ืึธืก ืฉื˜ื™ืฆืŸ Wi-Fi 6 (IEEE 802.11ax) ื˜ืขื›ื ืึธืœืึธื’ื™ืข, ื•ื•ืึธืก ืื™ื– ืึท ืคึผืœืึทืฅ ืคื•ืŸ ื’ืขืจืขื“ื˜ ื•ื•ืขื’ืŸ, ื”ืึธื‘ืŸ ืœืขืฆื˜ื ืก ืืจื™ื™ืŸ ื“ื™ ืžืึทืจืง. ืึธื‘ืขืจ ื•ื•ื™ื™ื ื™ืง ืžืขื ื˜ืฉืŸ ื•ื•ื™ืกืŸ ืึทื– ื“ื™ ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคื•ืŸ ืึท ื ื™ื™ึทืข ื“ื•ืจ ืคื•ืŸ Wi-Fi ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืื™ื– ืฉื•ื™ืŸ ืึทื ื“ืขืจื•ื•ื™ื™ - Wi-Fi 7 (IEEE 802.11be). ื’ืขืคึฟื™ื ืขืŸ ื–ื™ืš ื•ื•ื™ Wi-Fi 7 ื•ื•ืขื˜ ื–ื™ื™ืŸ ืื™ืŸ ื“ืขื ืึทืจื˜ื™ืงืœ.

ื•ื•ืึธืก ืึทื•ื•ื™ื™ืฅ ืื•ื ื“ื– ืื™ืŸ Wi-Fi 7, IEEE 802.11be?

ืคึผืจืขื”ื™ืกื˜ืึธืจื™

ืื™ืŸ ืกืขืคื˜ืขืžื‘ืขืจ 2020, ืžื™ืจ ื•ื•ืขืœืŸ ืคื™ื™ึทืขืจืŸ ื“ื™ 30 ื™ืึธืจื˜ืึธื’ ืคื•ืŸ ื“ื™ IEEE 802.11 ืคึผืจื•ื™ืขืงื˜, ื•ื•ืึธืก ื”ืื˜ ื‘ืื˜ื™ื™ื˜ื™ืง ื™ืžืคึผืึทืงื˜ื™ื“ ืื•ื ื“ื–ืขืจ ืœืขื‘ืŸ. ื“ืขืจื•ื•ื™ื™ึทืœ, ื•ื•ื™-ืคื™ ื˜ืขื›ื ืึธืœืึธื’ื™ืข, ื“ื™ืคื™ื™ื ื“ ื“ื•ืจืš ื“ื™ IEEE 802.11 ืžืฉืคึผื—ื” ืคื•ืŸ ืกื˜ืึทื ื“ืึทืจื“ืก, ืื™ื– ื“ื™ ืžืขืจืกื˜ ืคืึธืœืงืก ื•ื•ื™ื™ืจืœื™ืก ื˜ืขื›ื ืึธืœืึธื’ื™ืข ื’ืขื ื™ืฆื˜ ืฆื• ืคืึทืจื‘ื™ื ื“ืŸ ืฆื• ื“ื™ ืื™ื ื˜ืขืจื ืขื˜, ืžื™ื˜ ื•ื•ื™-ืคื™ ื•ื•ืึธืก ื˜ืจืื’ื˜ ืžืขืจ ื•ื•ื™ ื”ืึทืœื‘ ืคื•ืŸ ื‘ืึทื ื™ืฆืขืจ ืคืึทืจืงืขืจ. ื‘ืฉืขืช ืกืขืœื™ืึทืœืขืจ ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืจื™ื‘ืจืึทื ื“ื– ื–ื™ืš ื™ืขื“ืขืจ ื™ืึธืจืฆืขื ื“ืœื™ื ื’, ืึทื–ืึท ื•ื•ื™ ืจื™ืคึผืœื™ื™ืกื™ื ื’ ื“ื™ ื ืึธืžืขืŸ 4G ืžื™ื˜ 5G, ืคึฟืึทืจ Wi-Fi ื™ื•ื–ืขืจื–, ื™ืžืคึผืจื•ื•ื•ืžืึทื ืฅ ืื™ืŸ ื“ืึทื˜ืŸ ืกืคึผื™ื“ื–, ื•ื•ื™ ื’ืขื–ื•ื ื˜ ื•ื•ื™ ื“ื™ ื”ืงื“ืžื” ืคื•ืŸ ื ื™ื™ึทืข ื‘ืึทื“ื™ื ื•ื ื’ืก ืื•ืŸ ื ื™ื™ึทืข ืคึฟืขื™ึดืงื™ื™ื˜ืŸ, ืคืึทืœืŸ ื›ึผืžืขื˜ ืึทื ื ืึธื•ื˜ื™ืกื˜. ื•ื•ื™ื™ื ื™ืง ืงืึทืกื˜ืึทืžืขืจื– ื–ืึธืจื’ืŸ ื•ื•ืขื’ืŸ ื“ื™ ืื•ืชื™ื•ืช "n", "ืึทืง" ืึธื“ืขืจ "ื”ืึทืง" ื•ื•ืึธืก ื ืึธื›ืคืึธืœื’ืŸ "802.11" ืื•ื™ืฃ ื•ื™ืกืจื™ื›ื˜ ื‘ืึธืงืกืขืก. ืึธื‘ืขืจ ื“ืึธืก ื˜ื•ื˜ ื ื™ืฉื˜ ืžื™ื™ื ืขืŸ ืึทื– Wi-Fi ืื™ื– ื ื™ืฉื˜ ื™ื•ื•ืึทืœื•ื•ื™ื ื’.

ืื™ื™ืŸ ื“ืขืจื•ื•ื™ื™ึทื– ืคื•ืŸ ื“ืขืจ ืขื•ื•ืึธืœื•ืฆื™ืข ืคื•ืŸ โ€‹โ€‹ื•ื•ื™-ืคื™ ืื™ื– ื“ื™ ื“ืจืึทืžืึทื˜ื™ืง ืคืึทืจื’ืจืขืกืขืจืŸ ืื™ืŸ ืจื™ื™ื˜ืึทื“ ื“ืึทื˜ืŸ ืกืคึผื™ื“ื–: ืคื•ืŸ 2 ืžื‘ืคึผืก ืื™ืŸ ื“ื™ 1997 ื•ื•ืขืจืกื™ืข ืฆื• ื›ึผืžืขื˜ 10 ื’ื‘ืคึผืก ืื™ืŸ ื“ื™ ืœืขืฆื˜ืข 802.11ืึทืงืก ื ืึธืจืžืึทืœ, ืื•ื™ืš ื‘ืืงืื ื˜ ื•ื•ื™ ื•ื•ื™-ืคื™ 6. ืžืึธื“ืขืจืŸ ื•ื•ื™-ืคื™ ืจื™ื˜ืฉืึทื– ืึทื–ืึท ืคืึธืจืฉื˜ืขืœื•ื ื’ ื’ื™ื™ื ื– ืจืขื›ื˜ ืฆื• ืคืึทืกื˜ืขืจ ืกื™ื’ื ืึทืœ ืื•ืŸ ืงืึธื“ ื“ื™ื–ื™ื™ื ื–, ื‘ืจื™ื™ื˜ ื˜ืฉืึทื ืึทืœื– ืื•ืŸ ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ื˜ืขื›ื ืึธืœืึธื’ื™ืข Mimo.

ืื™ืŸ ืึทื“ื™ืฉืึทืŸ ืฆื• ื“ื™ ืžื™ื™ื ืกื˜ืจื™ื ืคื•ืŸ ื”ื•ื™ืš-ื’ื™ื›ืงื™ื™ึทื˜ ื•ื•ื™ื™ืจืœื™ืก ื”ื™ื’ืข ื’ืขื’ื ื˜ ื ืขื˜ื•ื•ืึธืจืงืก, ื“ื™ ืขื•ื•ืึทืœื•ืฉืึทืŸ ืคื•ืŸ Wi-Fi ื›ื•ืœืœ ืขื˜ืœืขื›ืข ื ื™ืฉืข ืคึผืจืึทื“ื–ืฉืขืงืก. ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, Wi-Fi HaLow (802.11ah) ืื™ื– ื’ืขื•ื•ืขืŸ ืึทืŸ ืคึผืจื•ื•ื•ืŸ ืฆื• ื‘ืจืขื ื’ืขืŸ ื•ื•ื™-ืคื™ ืฆื• ื“ื™ ื•ื•ื™ื™ืจืœื™ืก ืื™ื ื˜ืขืจื ืขื˜ ืคื•ืŸ ื˜ื”ื™ื ื’ืก ืžืึทืจืง. ืžื™ืœืœื™ืžืขื˜ืขืจ ื›ื•ื•ืึทืœื™ืข ื•ื•ื™-ืคื™ (802.11ad/ay) ืฉื˜ื™ืฆื˜ ื ืึธืžื™ื ืึทืœ ื“ืึทื˜ืŸ ืจืึทื˜ืขืก ืคื•ืŸ ืึทืจื•ื™ืฃ ืฆื• 275 ื’ื‘ืคึผืก, ื›ืึธื˜ืฉ ืื™ื‘ืขืจ ื–ื™ื™ืขืจ ืงื•ืจืฅ ื“ื™ืกื˜ืึทื ืกืึทื–.

ื ื™ื• ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื– ืื•ืŸ ื‘ืึทื“ื™ื ื•ื ื’ืก ืฉื™ื™ึทื›ื•ืช ืฆื• ื”ื•ื™ืš-ื“ืขืคึฟื™ื ื™ืฆื™ืข ื•ื•ื™ื“ืขื ืกื˜ืจื™ืžื™ื ื’, ื•ื•ื™ืจื˜ื•ืึทืœ ืื•ืŸ ืคืึทืจื’ืจืขืกืขืจื˜ ืคืึทืงื˜, ื’ื™ื™ืžื™ื ื’, ื•ื•ื™ื™ึทื˜ ืึธืคื™ืก ืื•ืŸ ื•ื•ืึธืœืงืŸ ืงืึทืžืคึผื™ื•ื˜ื™ื ื’, ื•ื•ื™ ื’ืขื–ื•ื ื˜ ื•ื•ื™ ื“ื™ ื ื•ื™ื˜ ืฆื• ืฉื˜ื™ืฆืŸ ื’ืจื•ื™ืก ื ื•ืžืขืจ ืคื•ืŸ ื ื™ืฆืขืจืก ืžื™ื˜ ื˜ื™ืฃ ืคืึทืจืงืขืจ ืื•ื™ืฃ ื•ื•ื™ื™ืจืœื™ืก ื ืขื˜ื•ื•ืึธืจืงืก, ื“ืึทืจืคืŸ ื”ื•ื™ืš ืคืึธืจืฉื˜ืขืœื•ื ื’.

ื•ื•ื™-ืคื™ 7 ืฆื™ืœืŸ

ืื™ืŸ ืžืื™ 2019, ื“ื™ BE (TGbe) ืกื•ื‘ื’ืจื•ืคึผืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ื“ื™ 802.11 ื•ื•ืึธืจืงื™ื ื’ ื’ืจื•ืคืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ื“ื™ ืœืืงืืœืข ืื•ืŸ ืžืขื˜ืจืึธืคึผืึธืœื™ื˜ืึทืŸ ืฉื˜ื— ื ืขื˜ื•ื•ืึธืจืง ืกื˜ืึทื ื“ืึทืจื“ืก ืงืึทืžื™ื˜ื™ ืื ื’ืขื”ื•ื™ื‘ืŸ ืืจื‘ืขื˜ืŸ ืื•ื™ืฃ ืึท ื ื™ื™ึทืข ืึทื“ื™ืฉืึทืŸ ืฆื• ื“ื™ ื•ื•ื™-ืคื™ ื ืึธืจืžืึทืœ ื•ื•ืึธืก ื•ื•ืขื˜ ืคืึทืจื’ืจืขืกืขืจืŸ. ื ืึธืžื™ื ืึทืœ ื˜ืจื•ืคึผื•ื˜ ืึทืจื•ื™ืฃ ืฆื• ืžืขืจ ื•ื•ื™ 40 ื’ื‘ื™ื˜ / s ืื™ืŸ ืื™ื™ืŸ ืึธืคื˜ืงื™ื™ึทื˜ ืงืึทื ืึทืœ ืคื•ืŸ ื“ื™ "ื˜ื™ืคึผื™ืฉ" Wi-Fi ืงื™ื™ื˜ <= 7 GHz. ื›ืึธื˜ืฉ ืคื™ืœืข ื“ืึธืงื•ืžืขื ื˜ืŸ ืจืฉื™ืžื” "ืžืึทืงืกื™ืžื•ื ื˜ืจื•ืคึผื•ื˜ ืคื•ืŸ ื‘ื™ื™ึท ืžื™ื ื“ืกื˜ืขืจ 30 ื’ื‘ืคึผืก", ื“ื™ ื ื™ื™ึทืข ื’ืฉืžื™ื•ืช ืฉื™ื›ื˜ืข ืคึผืจืึธื˜ืึธืงืึธืœ ื•ื•ืขื˜ ืฆื•ืฉื˜ืขืœืŸ ื ืึธืžื™ื ืึทืœ ืกืคึผื™ื“ื– ืคื•ืŸ ืžืขืจ ื•ื•ื™ 40 ื’ื‘ืคึผืก.

ืืŸ ืื ื“ืขืจ ื•ื•ื™ื›ื˜ื™ืง ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืจื™ื›ื˜ื•ื ื’ ืคึฟืึทืจ Wi-Fi 7 ืื™ื– ืฉื˜ื™ืฆืŸ ืคึฟืึทืจ ืคืึทืงื˜ื™ืฉ-ืฆื™ื™ื˜ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื– (ืฉืคึผื™ืœืขืจื™ื™ึท, ื•ื•ื™ืจื˜ื•ืึทืœ ืื•ืŸ ืคืึทืจื’ืจืขืกืขืจืŸ ืคืึทืงื˜, ืจืึธื‘ืึธื˜ ืงืึธื ื˜ืจืึธืœ). ืขืก ืื™ื– ื ืึธื•ื˜ื•ื•ืขืจื“ื™ ืึทื– ื›ืึธื˜ืฉ Wi-Fi ื›ืึทื ื“ืึทืœื– ืึทื•ื“ื™ืึธ ืื•ืŸ ื•ื•ื™ื“ืขื ืคืึทืจืงืขืจ ืื™ืŸ ืึท ืกืคึผืขืฆื™ืขืœ ื•ื•ืขื’, ืขืก ืื™ื– ืœืึทื ื’ ืฉื•ื™ืŸ ื’ืขื’ืœื•ื™ื‘ื˜ ืึทื– ืคึผืจืึทื•ื•ื™ื™ื“ื™ื ื’ ื ืึธืจืžืึทืœ-ืžื“ืจื’ื” ื’ืขืจืึทื ื˜ื™ื“ ื ื™ื“ืขืจื™ืง ืœื™ื™ื˜ืึทื ืกื™ (ืžื™ืœื™ืกืขืงืึทื ื“ื–), ืื•ื™ืš ื‘ืืงืื ื˜ ื•ื•ื™ ืฆื™ื™ื˜-ืกืขื ืกื™ื˜ื™ื•ื•ืข ื ืขื˜ื•ื•ืึธืจืงื™ื ื’, ืื™ืŸ ื•ื•ื™-ืคื™ ื ืขื˜ื•ื•ืึธืจืงืก ืื™ื– ืคืึทื ื“ืึทืžืขื ื˜ืึทืœื™. ืื•ืžืžืขื’ืœืขืš. ืื™ืŸ ื ืื•ื•ืขืžื‘ืขืจ 2017, ืื•ื ื“ื–ืขืจ ืžืึทื ืฉืึทืคึฟื˜ ืคื•ืŸ ื“ื™ IITP RAS ืื•ืŸ ื“ื™ ื ืึทืฉืึทื ืึทืœ ืคืึธืจืฉื•ื ื’ ืื•ื ื™ื•ื•ืขืจืกื™ื˜ืขื˜ ื”ื™ื’ื”ืขืจ ืฉื•ืœืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ืขืงืื ืืžื™ืง (ื˜ืึธืŸ ื ื™ื˜ ื ืขืžืขืŸ ืขืก ืคึฟืึทืจ ืคึผืจ) ื’ืขืžืื›ื˜ ืึท ืงืึธืจืึทืกืคึผืึทื ื“ื™ื ื’ ืคืึธืจืฉืœืึธื’ ืื™ืŸ ื“ื™ IEEE 802.11 ื’ืจื•ืคึผืข. ื“ืขืจ ืคืึธืจืฉืœืึธื’ ื“ื–ืฉืขื ืขืจื™ื™ื˜ืึทื“ ืึท ืคึผืœืึทืฅ ืคื•ืŸ ืื™ื ื˜ืขืจืขืก ืื•ืŸ ืึท ืกืคึผืขืฆื™ืขืœ ืกื•ื‘ื’ืจื•ืคึผืข ืื™ื– ืœืึธื ื˜ืฉื˜ ืื™ืŸ ื™ื•ืœื™ 2018 ืฆื• ืœืขืจื ืขืŸ ื“ื™ ืึทืจื•ื™ืกื’ืขื‘ืŸ ื•ื•ื™ื™ึทื˜ืขืจ. ื•ื•ื™ื™ึทืœ ื“ื™ ืฉื˜ื™ืฆืŸ ืคื•ืŸ ืคืึทืงื˜ื™ืฉ-ืฆื™ื™ื˜ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื– ืจื™ืงื•ื•ื™ื™ืขืจื– ื‘ื™ื™ื“ืข ื”ื•ื™ืš ื ืึธืžื™ื ืึทืœ ื“ืึทื˜ืŸ ืจืึทื˜ืขืก ืื•ืŸ ื™ืžืคึผืจื•ื•ื•ื“ ืœื™ื ืง-ืฉื™ื›ื˜ืข ืคืึทื ื’ืงืฉืึทื ืึทืœื™ื˜ื™, ื“ื™ 802.11 ื•ื•ืึธืจืงื™ื ื’ ื’ืจื•ืคืข ื‘ืึทืฉืœืึธืกืŸ ืฆื• ืึทื ื˜ื•ื•ื™ืงืœืขืŸ ืžืขื˜ื”ืึธื“ืก ืฆื• ืฉื˜ื™ืฆืŸ ืคืึทืงื˜ื™ืฉ-ืฆื™ื™ื˜ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื– ืื™ืŸ Wi-Fi 7.

ืึท ื•ื•ื™ื›ื˜ื™ืง ืึทืจื•ื™ืกื’ืขื‘ืŸ ืžื™ื˜ Wi-Fi 7 ืื™ื– ื–ื™ื™ืŸ ืงืึธื•ื™ื’ื–ื™ืกื˜ืึทื ืก ืžื™ื˜ ืกืขืœื™ืึทืœืขืจ ื ืขืฅ ื˜ืขืงื ืึทืœืึทื“ื–ืฉื™ื– (4G/5G) ื“ืขื•ื•ืขืœืึธืคึผืขื“ ื“ื•ืจืš 3GPP ืื•ืŸ ืึทืคึผืขืจื™ื™ื˜ื™ื ื’ ืื™ืŸ ื“ื™ ื–ืขืœื‘ืข ืึทื ืœื™ื™ืกืึทื ืกื˜ ืึธืคื˜ืงื™ื™ึทื˜ ื‘ืึทื ื“ืก. ืžื™ืจ ืจืขื“ืŸ ื•ื•ืขื’ืŸ LTE-LAA / NR-U. ืฆื• ืœืขืจื ืขืŸ ื“ื™ ืคืจืื‘ืœืขืžืขืŸ ืคึฟืึทืจื‘ื•ื ื“ืŸ ืžื™ื˜ ื“ื™ ืงืึธื•ื™ื’ื–ื™ืกื˜ืึทื ืก ืคื•ืŸ Wi-Fi ืื•ืŸ ืกืขืœื™ืึทืœืขืจ ื ืขื˜ื•ื•ืึธืจืงืก, IEEE 802.11 ืœืึธื ื˜ืฉื˜ ื“ื™ ืงืึธื•ื™ื’ื–ื™ืกื˜ื™ื ื’ ืฉื˜ื™ื™ืขื ื“ื™ืง ืงืึทืžื™ื˜ื™ (Coex SC). ื˜ืจืึธืฅ ืคื™ืœืข ืžื™ื˜ื™ื ื’ื– ืื•ืŸ ืืคื™ืœื• ืึท ืฉืœืึธืก ื•ื•ืึทืจืฉื˜ืึทื˜ ืคื•ืŸ 3GPP ืื•ืŸ IEEE 802.11 ืคึผืึทืจื˜ื™ืกืึทืคึผืึทื ืฅ ืื™ืŸ ื™ื•ืœื™ 2019 ืื™ืŸ ื•ื•ื™ืŸ, ื˜ืขื›ื ื™ืฉ ืกืึทืœื•ืฉืึทื ื– ื–ืขื ืขืŸ ื ืึธืš ื ื™ืฉื˜ ื‘ืื•ื•ื™ืœื™ืงื˜. ื ืžืขื’ืœืขืš ื“ืขืจืงืœืขืจื•ื ื’ ืคึฟืึทืจ ื“ืขื ืคื•ื˜ื™ืœื™ื˜ื™ ืื™ื– ืึทื– ื‘ื™ื™ื“ืข IEEE 802 ืื•ืŸ 3GPP ื–ืขื ืขืŸ ืจื™ืœืึทืงื˜ืึทื ื˜ ืฆื• ื˜ื•ื™ืฉืŸ ื–ื™ื™ืขืจ ืื™ื™ื’ืขื ืข ื˜ืขืงื ืึทืœืึทื“ื–ืฉื™ื– ืฆื• ืงืึทื ืคืึธืจื ืฆื• ื“ื™ ืื ื“ืขืจืข. ืื–ื•ื™, ืขืก ืื™ื– ื“ืขืจื•ื•ื™ื™ึทืœ ื•ืžืงืœืึธืจ ืฆื™ ื“ื™ ืงืึธืขืงืก ืกืง ื“ื™ืกืงื•ืกื™ืขืก ื•ื•ืขื˜ ืคึผืจืึทืœ ืื•ื™ืฃ ื“ื™ Wi-Fi 7 ื ืึธืจืžืึทืœ.

ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคึผืจืึธืฆืขืก

ื›ืึธื˜ืฉ ื“ื™ Wi-Fi 7 ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคึผืจืึธืฆืขืก ืื™ื– ืื™ืŸ ื–ื™ื™ืขืจ ืคืจื™ ืกื˜ืึทื’ืขืก, ืขืก ื”ืึธื‘ืŸ ืฉื•ื™ืŸ ืงื™ืžืึทื˜ 500 ืคึผืจืึทืคึผืึธื•ื–ืึทืœื– ืคึฟืึทืจ ื ื™ื™ึทืข ืคืึทื ื’ืงืฉืึทื ืึทืœื™ื˜ื™ ืคึฟืึทืจ ื“ื™ ืึทืคึผืงืึทืžื™ื ื’ Wi-Fi 7, ืื•ื™ืš ื‘ืืงืื ื˜ ื•ื•ื™ IEEE 802.11be, ื‘ื™ื– ืึทื”ืขืจ. ืจื•ื‘ึฟ ืคื•ืŸ ื“ื™ ื™ื™ื“ื™ืึทื– ื–ืขื ืขืŸ ื ืึธืจ ื“ื™ืกืงืึทืกื˜ ืื™ืŸ ื“ื™ ื–ื™ื™ืŸ ืกืึทื‘ื’ืจื•ืคึผืข ืื•ืŸ ืึท ื‘ืึทืฉืœื•ืก ืื•ื™ืฃ ื–ื™ื™ ืื™ื– ื ืึธืš ื ื™ืฉื˜ ื’ืขืžืื›ื˜. ืื ื“ืขืจืข ื’ืขื“ืื ืงืขืŸ ื–ืขื ืขืŸ ืœืขืฆื˜ื ืก ื‘ืื•ื•ื™ืœื™ืงื˜. ื•ื ื˜ืขืจ ื•ื•ืขื˜ ื–ื™ื™ืŸ ืงืœืืจ ืื ื’ืขื•ื•ื™ื–ืŸ ื•ื•ืึธืก ืคึผืจืึทืคึผืึธื•ื–ืึทืœื– ื–ืขื ืขืŸ ื‘ืื•ื•ื™ืœื™ืงื˜ ืื•ืŸ ื•ื•ืึธืก ื–ืขื ืขืŸ ื ืึธืจ ื“ื™ืกืงืึทืกื˜.

ื•ื•ืึธืก ืึทื•ื•ื™ื™ืฅ ืื•ื ื“ื– ืื™ืŸ Wi-Fi 7, IEEE 802.11be?

ืขืก ืื™ื– ื’ืขื•ื•ืขืŸ ืขืจื™ื“ื–ืฉื ืึทืœื™ ืคึผืœืึทื ื ืขื“ ืึทื– ื“ื™ ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคื•ืŸ ื“ื™ ื”ื•ื™ืคึผื˜ ื ื™ื™ึทืข ืžืขืงืึทื ื™ื–ืึทืžื– ื•ื•ืึธืœื˜ ื–ื™ื™ืŸ ื’ืขืขื ื“ื™ืงื˜ ื“ื•ืจืš ืžืขืจืฅ 2021. ื“ื™ ืœืขืฆื˜ ื•ื•ืขืจืกื™ืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ื“ืขื ื ืึธืจืžืึทืœ ืื™ื– ื’ืขืจื™ื›ื˜ ืื™ืŸ ืคืจื™ 2024. ืื™ืŸ ื™ืื ื•ืืจ 2020, 11 ื–ื™ื™ืŸ ื–ืืจื’ืŸ ื•ื•ืขื’ืŸ ืฆื™ ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ื•ื•ืึธืœื˜ ื‘ืœื™ื™ื‘ืŸ ืื•ื™ืฃ ืคึผืœืึทืŸ ืื™ืŸ ื“ืขื ืงืจืึทื ื˜ ื’ืึทื ื’ ืคื•ืŸ ืึทืจื‘ืขื˜. ืฆื• ืคืึทืจื’ื™ื›ืขืจืŸ ื“ื™ ืกื˜ืึทื ื“ืึทืจื˜ ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคึผืจืึธืฆืขืก, ื“ื™ ืกื•ื‘ื’ืจื•ืคึผืข ื”ืึธื˜ ืžืกื›ื™ื ื’ืขื•ื•ืขืŸ ืฆื• ืื•ื™ืกืงืœื™ื™ึทื‘ืŸ ืึท ืงืœื™ื™ืŸ ื’ืึทื ื’ ืคื•ืŸ ื”ื•ื™ืš-ื‘ื™ืœื›ืขืจืงื™ื™ึทื˜ ืคึฟืขื™ึดืงื™ื™ื˜ืŸ ื•ื•ืึธืก ืงืขืŸ ื–ื™ื™ืŸ ืจืขืœืขืึทืกืขื“ ื“ื•ืจืš 2021 (ืžืขืœื“ื•ื ื’ 1), ืื•ืŸ ืœืึธื–ืŸ ื“ื™ ืžื ื•ื—ื” ืื™ืŸ ืžืขืœื“ื•ื ื’ 2. ื”ื•ื™ืš-ื‘ื™ืœื›ืขืจืงื™ื™ึทื˜ ืคึฟืขื™ึดืงื™ื™ื˜ืŸ ื–ืึธืœ ืฆื•ืฉื˜ืขืœืŸ ื“ื™ ื”ื•ื™ืคึผื˜ ืคืึธืจืฉื˜ืขืœื•ื ื’ ื’ื™ื™ื ื– ืื•ืŸ ื™ื ืงืœื•ื“ื– ืฉื˜ื™ืฆืŸ ืคึฟืึทืจ 320 MHz, 4K-QAM, ืงืœืึธืจ ื•ื•ื™ ื“ืขืจ ื˜ืึธื’ ื™ืžืคึผืจื•ื•ื•ืžืึทื ืฅ ืฆื• OFDMA ืคึฟื•ืŸ Wi-Fi 6, MU-MIMO ืžื™ื˜ 16 ืกื˜ืจื™ืžื–.

ืฆื•ืœื™ื‘ ื“ืขื ืงืึธืจืึธื ืื•ื•ื™ืจื•ืก, ื˜ืจืขืคื˜ ื“ื™ ื’ืจื•ืคืข ื–ื™ืš ื“ืขืจื•ื•ื™ื™ืœ ื ื™ืฉื˜ ืคึผืขืจืกื ืึทืœื™, ืึธื‘ืขืจ ื”ืืœื˜ืŸ ืงืขืกื™ื™ื“ืขืจ ื˜ืขืœืขืงืึธื ืคืขืจืขื ืกืขืก. ืื–ื• ื™ ื”ื ื˜ ื“ืข ืจ ืื ื˜ืฐื™ืงืœื•ื  ื’ ืขื˜ืฐื ืก ื–ื™ ืš ืืคื’ืขืœืื–ื˜ , ืื‘ืข ืจ ื–ื™ ืš ื ื™ืฉ ื˜ ืืคื’ืขืฉื˜ืขืœื˜ .

ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืคืจื˜ื™ื

ื–ืืœ ืก ืงื•ืง ืื™ืŸ ื“ื™ ื”ื•ื™ืคึผื˜ ื™ื ืึธื•ื•ื•ื™ื™ืฉืึทื ื– ืคื•ืŸ Wi-Fi 7.

  1. ื“ื™ ื ื™ื™ึทืข ืคึผืจืึธื˜ืึธืงืึธืœ ืคึฟืึทืจ ื’ืฉืžื™ื•ืช ืฉื™ื›ื˜ืข ืื™ื– ืึท ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคื•ืŸ ื“ื™ Wi-Fi 6 ืคึผืจืึธื˜ืึธืงืึธืœ ืžื™ื˜ ืึท ืฆื•ื•ื™ื™-ืคืึธืœื“ ืคืึทืจื’ืจืขืกืขืจืŸ ื‘ืึทื ื“ื•ื•ื™ื“ื˜ ืึทืจื•ื™ืฃ ืฆื• 320 ืžื”ื–, ื˜ืึธืคึผืœ ื“ื™ ื ื•ืžืขืจ ืคื•ืŸ ืกืคึผื™ื™ืฉืึทืœ MU-MIMO ืกื˜ืจื™ืžื–, ื•ื•ืึธืก ื™ื ืงืจื™ืกื™ื– ื“ื™ ื ืึธืžื™ื ืึทืœ ื˜ืจื•ืคึผื•ื˜ ืžื™ื˜ 2 ร— 2 = 4 ืžืืœ. Wi-Fi 7 ืื•ื™ืš ืกื˜ืึทืจืฅ ื ื™ืฆืŸ ืžืึทื“ื–ืฉืึทืœื™ื™ืฉืึทืŸ 4K-QAM, ื•ื•ืึธืก ืžื•ืกื™ืฃ ื ืึธืš 20% ืฆื• ื“ื™ ื ืึธืžื™ื ืึทืœ ื˜ืจื•ืคึผื•ื˜. ื“ืขืจื™ื‘ืขืจ, Wi-Fi 7 ื•ื•ืขื˜ ืฆื•ืฉื˜ืขืœืŸ 2 ืงืก 2 ืงืก 1,2 = 4,8 ืžืืœ ื“ื™ ืจื™ื™ื˜ืึทื“ ื“ืึทื˜ืŸ ืงื•ืจืก ืคื•ืŸ Wi-Fi 6: ื“ื™ ืžืึทืงืกื™ืžื•ื ืจื™ื™ื˜ืึทื“ ื˜ืจื•ืคึผื•ื˜ ืคื•ืŸ Wi-Fi 7 ืื™ื– 9,6 ื’ื‘ืคึผืก ืจืขื ื˜ื’ืขื  4,8 = 46 ื’ื‘ื™ื˜ / s. ืื™ืŸ ืึทื“ื™ืฉืึทืŸ, ืขืก ื•ื•ืขื˜ ื–ื™ื™ืŸ ืึท ืจืขื•ื•ืืœื•ืฆื™ืื ืขืจ ืขื ื“ืขืจื•ื ื’ ืื™ืŸ ื“ื™ ื’ืฉืžื™ื•ืช ืฉื™ื›ื˜ืข ืคึผืจืึธื˜ืึธืงืึธืœ ืฆื• ืขื ืฉื•ืจ ืงืึทืžืคึผืึทื˜ืึทื‘ื™ืœืึทื˜ื™ ืžื™ื˜ ืฆื•ืงื•ื ืคึฟื˜ ื•ื•ืขืจืกื™ืขืก ืคื•ืŸ Wi-Fi, ืึธื‘ืขืจ ืขืก ื•ื•ืขื˜ ื‘ืœื™ื™ื‘ืŸ ื•ืžื–ืขื™ืง ืคึฟืึทืจ ื™ื•ื–ืขืจื–.
  2. ื˜ืฉืึทื ื’ื™ื ื’ ื“ื™ ืงืึทื ืึทืœ ืึทืงืกืขืก ืื•ืคึฟืŸ ืคึฟืึทืจ ืคืึทืงื˜ื™ืฉ-ืฆื™ื™ื˜ ืึทืคึผืœืึทืงื™ื™ืฉืึทืŸ ืฉื˜ื™ืฆืŸ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื“ื•ืจื›ื’ืขืงืึธื›ื˜ ืžื™ื˜ ื“ื™ ื“ืขืจืคืึทืจื•ื ื’ ืคื•ืŸ IEEE 802 TSN ืคึฟืึทืจ ื•ื•ื™ื™ืขืจื“ ื ืขื˜ื•ื•ืึธืจืงืก. ืึธื ื’ืึธื™ื ื’ ื“ื™ืกืงื•ืกื™ืขืก ืื™ืŸ ื“ื™ ืกื˜ืึทื ื“ืึทืจื“ืก ืงืึทืžื™ื˜ื™ ืคืึทืจื‘ื™ื ื“ืŸ ืฆื• ื“ื™ ื˜ืจืึทืค-ื‘ืึทืงืึธืคืฃ ืคึผืจืึธืฆืขื“ื•ืจ ืคึฟืึทืจ ืงืึทื ืึทืœ ืึทืงืกืขืก, ืคืึทืจืงืขืจ ืกืขืจื•ื•ื™ืก ืงืึทื˜ืขื’ืึธืจื™ืขืก ืื•ืŸ ื“ืขืจื™ื‘ืขืจ ื‘ืึทื–ื•ื ื“ืขืจ ืงื™ื•ื– ืคึฟืึทืจ ืคืึทืงื˜ื™ืฉ-ืฆื™ื™ื˜ ืคืึทืจืงืขืจ, ืื•ืŸ ืคึผืึทืงืึทื˜ ืกืขืจื•ื•ื™ืก ืคึผืึทืœืึทืกื™ื–.
  3. ื‘ืึทืงืขื ืขื  ืื™ืŸ Wi-Fi 6 (802.11ax) OFDMA - ืฆื™ื™ื˜- ืื•ืŸ ืึธืคื˜ืงื™ื™ึทื˜ ืึธืคึผื˜ื™ื™ืœ ืงืึทื ืึทืœ ืึทืงืกืขืก ืื•ืคึฟืŸ (ืขื ืœืขืš ืฆื• ื“ื™ ื’ืขื ื™ืฆื˜ ืื™ืŸ 4G ืื•ืŸ 5G ื ืขื˜ื•ื•ืึธืจืงืก) - ื’ื™ื˜ ื ื™ื™ึทืข ืึทืคึผืขืจื˜ื•ื ืึทื˜ื™ื– ืคึฟืึทืจ ืึธืคึผื˜ื™ืžืึทืœ ืžื™ื˜ืœ ืึทืœืึทืงื™ื™ืฉืึทืŸ. ืึธื‘ืขืจ, ืื™ืŸ 11ax, OFDMA ืื™ื– ื ื™ืฉื˜ ืคืœืขืงืกืึทื‘ืึทืœ ื’ืขื ื•ื’. ืขืจืฉื˜ืขืจ, ืขืก ืึทืœืึทื•ื– ื“ื™ ืึทืงืกืขืก ืคื•ื ื˜ ืฆื• ืึทืœืึทืงื™ื™ื˜ ื‘ืœื•ื™ื– ืื™ื™ืŸ ืžื™ื˜ืœ ื‘ืœืึธืง ืคื•ืŸ ืึท ืคึผืจื™ื“ื™ื˜ืขืจืžื™ื ื“ ื’ืจื™ื™ืก ืฆื• ื“ืขื ืงืœื™ืขื ื˜ ืžื™ื˜ืœ. ืฆื•ื•ื™ื™ื˜ื ืก, ืขืก ืฉื˜ื™ืฆื˜ ื ื™ืฉื˜ ื“ื™ืจืขืงื˜ ื˜ืจืึทื ืกืžื™ืกื™ืข ืฆื•ื•ื™ืฉืŸ ืงืœื™ืขื ื˜ ืกื˜ื™ื™ืฉืึทื ื–. ื‘ื™ื™ื“ืข ื“ื™ืกืึทื“ื•ื•ืึทื ื˜ื™ื“ื–ืฉื™ื– ืจืขื“ื•ืฆื™ืจืŸ ืกืคึผืขืงื˜ืจืึทืœ ืขืคืขืงื˜ื™ื•ื•ืงื™ื™ึทื˜. ืึทื“ื“ื™ื˜ื™ืึธื ืึทืœืœื™, ื“ื™ ืคืขืœืŸ ืคื•ืŸ ื‘ื™ื™ื’ื™ืงื™ื™ึทื˜ ืคื•ืŸ ืœืขื’ืึทื˜ Wi-Fi 6 OFDMA ื“ื™ื’ืจื™ื™ื“ ืคืึธืจืฉื˜ืขืœื•ื ื’ ืื™ืŸ ื’ืขื“ื™ื›ื˜ ื ืขื˜ื•ื•ืึธืจืงืก ืื•ืŸ ื™ื ืงืจื™ืกืึทื– ืœื™ื™ื˜ืึทื ืกื™, ื•ื•ืึธืก ืื™ื– ืงืจื™ื˜ื™ืฉ ืคึฟืึทืจ ืคืึทืงื˜ื™ืฉ-ืฆื™ื™ื˜ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื–. 11be ื•ื•ืขื˜ ืกืึธืœื•ื•ืข ื“ื™ OFDMA ืคึผืจืึธื‘ืœืขืžืก.
  4. ืื™ื™ื ืขืจ ืคื•ืŸ ื“ื™ ื‘ืืฉื˜ืขื˜ื™ืงื˜ ืจืขื•ื•ืืœื•ืฆื™ืื ืขืจ ืขื ื“ืขืจื•ื ื’ืขืŸ ืคื•ืŸ Wi-Fi 7 ืื™ื– ื’ืขื‘ื•ื™ืจืŸ ืฉื˜ื™ืฆืŸ ืกื™ื™ืžืึทืœื˜ื™ื™ื ื™ืึทืก ื ื•ืฆืŸ ืคื•ืŸ ืขื˜ืœืขื›ืข ืคึผืึทืจืึทืœืขืœ ืงืึทื ืขืงืฉืึทื ื– ืื™ืŸ ืคืึทืจืฉื™ื“ืขื ืข ืคืจื™ืงื•ื•ืึทื ืกื™ื–, ื•ื•ืึธืก ืื™ื– ื–ื™ื™ืขืจ ื ื•ืฆื™ืง ืคึฟืึทืจ ื‘ื™ื™ื“ืข ืจื™ื–ื™ืง ื“ืึทื˜ืŸ ืจื™ื™ืฅ ืื•ืŸ ื’ืึธืจ ื ื™ื“ืขืจื™ืง ืœื™ื™ื˜ืึทื ืกื™. ื›ืึธื˜ืฉ ืžืึธื“ืขืจืŸ ื˜ืฉื™ืคึผืกืขืฅ ืงืขื ืขืŸ ืฉื•ื™ืŸ ื ื•ืฆืŸ ืงื™ื™ืคืœ ืงืึทื ืขืงืฉืึทื ื– ืกื™ื™ืžืึทืœื˜ื™ื™ื ื™ืึทืกืœื™, ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ืื™ืŸ ื“ื™ 2.4 ืื•ืŸ 5 GHz ื‘ืึทื ื“ืก, ื“ื™ ืงืึทื ืขืงืฉืึทื ื– ื–ืขื ืขืŸ ืคืจื™ื™ึท, ื•ื•ืึธืก ืœื™ืžืึทืฅ ื“ื™ ื™ืคืขืงื˜ื™ื•ื•ื ืึทืก ืคื•ืŸ ืึทื–ืึท ืึท ืึธืคึผืขืจืึทืฆื™ืข. ืื™ืŸ 11be, ืึท ืžื“ืจื’ื” ืคื•ืŸ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืฆื•ื•ื™ืฉืŸ ื˜ืฉืึทื ืึทืœื– ื•ื•ืขื˜ ื–ื™ื™ืŸ ื’ืขืคึฟื•ื ืขืŸ ื•ื•ืึธืก ืึทืœืึทื•ื– ืขืคืขืงื˜ื™ื•ื• ื ื•ืฆืŸ ืคื•ืŸ ืงืึทื ืึทืœ ืจืขืกื•ืจืกืŸ ืื•ืŸ ื•ื•ืขื˜ ืึทืจื™ื™ึทื ืฆื™ืขืŸ ื‘ืึทื˜ื™ื™ึทื˜ื™ืง ืขื ื“ืขืจื•ื ื’ืขืŸ ืื™ืŸ ื“ื™ ื›ึผืœืœื™ื ืคื•ืŸ ืงืึทื ืึทืœ ืึทืงืกืขืก ืคึผืจืึธื˜ืึธืงืึธืœ.
  5. ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ื–ื™ื™ืขืจ ื‘ืจื™ื™ื˜ ื˜ืฉืึทื ืึทืœื– ืื•ืŸ ืึท ื’ืจื•ื™ืก ื ื•ืžืขืจ ืคื•ืŸ ืกืคึผื™ื™ืฉืึทืœ ืกื˜ืจื™ืžื– ืคื™ืจื˜ ืฆื• ื“ื™ ืคึผืจืึธื‘ืœืขื ืคื•ืŸ ื”ื•ื™ืš ืึธื•ื•ื•ืขืจื›ืขื“ ืคึฟืึทืจื‘ื•ื ื“ืŸ ืžื™ื˜ ื“ื™ ืงืึทื ืึทืœ ืฉื˜ืึทื˜ ืึธืคึผืฉืึทืฆื•ื ื’ ืคึผืจืึธืฆืขื“ื•ืจ ืคืืจืœืื ื’ื˜ ืคึฟืึทืจ MIMO ืื•ืŸ OFDMA. ื“ืขื ืึธื•ื•ื•ืขืจื›ืขื“ ืงืึทื ืกืึทืœื– ืงื™ื™ืŸ ื’ื™ื™ื ื– ืคื•ืŸ ื™ื ืงืจื™ืกื™ื ื’ ื ืึธืžื™ื ืึทืœ ื“ืึทื˜ืŸ ืจื™ื™ืฅ. ืขืจื•ื•ืืจื˜ืขื˜ ืื– ื“ื™ ืงืึทื ืึทืœ ืฆื•ืฉื˜ืึทื ื“ ืึทืกืขืกืžืึทื ื˜ ืคึผืจืึธืฆืขื“ื•ืจ ื•ื•ืขื˜ ื–ื™ื™ืŸ ืจื™ื•ื•ื™ื™ื–ื“.
  6. ืื™ืŸ ื“ืขื ืงืึธื ื˜ืขืงืกื˜ ืคื•ืŸ Wi-Fi 7, ื“ื™ ืกื˜ืึทื ื“ืึทืจื“ืก ืงืึทืžื™ื˜ื™ ื“ื™ืกืงืึทืกื˜ ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ืขื˜ืœืขื›ืข "ืึทื•ื•ืึทื ืกื™ืจื˜ืข" ื“ืึทื˜ืŸ ืึทืจื™ื‘ืขืจืคื™ืจืŸ ืžืขื˜ื”ืึธื“ืก. ืื™ืŸ ื˜ืขืึธืจื™ืข, ื“ื™ ืžืขื˜ื”ืึธื“ืก ืคึฟืึทืจื‘ืขืกืขืจืŸ ืกืคึผืขืงื˜ืจืึทืœ ืขืคืขืงื˜ื™ื•ื•ืงื™ื™ึทื˜ ืื™ืŸ ื“ื™ ืคืึทืœ ืคื•ืŸ ืจื™ืคึผื™ื˜ื™ื“ ื˜ืจืึทื ืกืžื™ืกื™ืข ืคืจื•ื•ื•ืŸ, ื•ื•ื™ ื’ืขื–ื•ื ื˜ ื•ื•ื™ ืกื™ื™ืžืึทืœื˜ื™ื™ื ื™ืึทืก ื˜ืจืึทื ืกืžื™ืกื™ืข ืื™ืŸ ื“ื™ ื–ืขืœื‘ืข ืึธื“ืขืจ ืคืึทืจืงืขืจื˜ ืื™ื ืกื˜ืจื•ืงืฆื™ืขืก. ืžื™ืจ ืจืขื“ืŸ ื•ื•ืขื’ืŸ ื›ื™ื™ื‘ืจื™ื“ ืึธื˜ืึทืžืึทื˜ื™ืง ืื™ื‘ืขืจื—ื–ืจืŸ ื‘ืขื˜ืŸ (HARQ), ื“ืขืจื•ื•ื™ื™ึทืœ ื’ืขื ื™ืฆื˜ ืื™ืŸ ืกืขืœื™ืึทืœืขืจ ื ืขื˜ื•ื•ืึธืจืงืก, ืคื•ืœ-ื“ื•ืคึผืœืขืงืก ืžืึธื“ืข ืื•ืŸ ื ื™ื˜-ืึธืจื˜ืึธื’ืึธื ืึทืœ ืงื™ื™ืคืœ ืึทืงืกืขืก (NOMA). ื“ื™ ื˜ืขืงื ื™ืงืก ื”ืึธื‘ืŸ ืฉื•ื™ืŸ ื’ืขื–ื•ื ื˜ ื’ืขืœืขืจื ื˜ ืื™ืŸ ื“ืขืจ ืœื™ื˜ืขืจืึทื˜ื•ืจ ืื™ืŸ ื˜ืขืึธืจื™ืข, ืึธื‘ืขืจ ืขืก ืื™ื– ื ืึธืš ื ื™ืฉื˜ ืงืœืึธืจ ืฆื™ ื“ื™ ืคึผืจืึธื•ื“ืึทืงื˜ื™ื•ื•ื™ื˜ื™ ื’ื™ื™ื ื– ื–ื™ื™ ืฆื•ืฉื˜ืขืœืŸ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื•ื•ืขืจื˜ ื“ื™ ืžื™ ืฆื• ื™ื ืกื˜ืจื•ืžืขื ื˜ ื–ื™ื™.
    • ื ื•ืฆืŸ HARQ ืงืึธืžืคึผืœื™ืฆื™ืจื˜ ื“ื•ืจืš ื“ื™ ืคืืœื’ืขื ื“ืข ืคึผืจืึธื‘ืœืขื. ืื™ืŸ Wi-Fi, ืคึผืึทืงื™ืฅ ื–ืขื ืขืŸ ื’ืœื•ื“ ืฆื•ื–ืึทืžืขืŸ ืฆื• ืจืขื“ื•ืฆื™ืจืŸ ืึธื•ื•ื•ืขืจื›ืขื“. ืื™ืŸ ื“ื™ ืื™ืฆื˜ื™ืงืข ื•ื•ืขืจืกื™ืขืก ืคื•ืŸ Wi-Fi, ื“ื™ ืขืงืกืคึผืจืขืก ืคื•ืŸ ื™ืขื“ืขืจ ืคึผืึทืงืึทื˜ ื™ืŸ ื“ื™ ื’ืœื•ื“ ืื™ื™ื ืขืจ ืื™ื– ื‘ืืฉื˜ืขื˜ื™ืงื˜ ืื•ืŸ ืื•ื™ื‘ ื‘ืึทืฉื˜ืขื˜ื™ืงื•ื ื’ ืงื•ืžื˜ ื ื™ืฉื˜, ื“ื™ ื˜ืจืึทื ืกืžื™ืกื™ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ืคึผืึทืงืึทื˜ ืื™ื– ืจื™ืคึผื™ื˜ื™ื“ ืžื™ื˜ ืงืึทื ืึทืœ ืึทืงืกืขืก ืคึผืจืึธื˜ืึธืงืึธืœ ืžืขื˜ื”ืึธื“ืก. HARQ ื‘ืื•ื•ืขื’ื˜ ืจืขื˜ืจื™ืขืก ืคื•ืŸ ื“ื™ ื“ืึทื˜ืŸ ืœื™ื ืง ืฆื• ื“ื™ ื’ืฉืžื™ื•ืช ืฉื™ื›ื˜ืข, ื•ื•ื• ืขืก ื–ืขื ืขืŸ ื ื™ื˜ ืžืขืจ ืคึผืึทืงื™ืฅ, ืึธื‘ืขืจ ื‘ืœื•ื™ื– ืงืึธื“ืขื•ื•ืึธืจื“ืก, ืื•ืŸ ื“ื™ ื‘ืึทื•ื ื“ืจื™ื– ืคื•ืŸ ื“ื™ ืงืึธื“ื•ื•ืึธืจื“ื– ื˜ืึธืŸ ื ื™ื˜ ืฆื•ื ื•ื™ืคืคืึทืœืŸ ืžื™ื˜ ื“ื™ ื‘ืึทื•ื ื“ืจื™ื– ืคื•ืŸ ื“ื™ ืคึผืึทืงื™ืฅ. ื“ื™ ื“ืขืกื™ื ื˜ืฉืจืึธื ื™ื–ืึทื˜ื™ืึธืŸ ืงืึทืžืคึผืœื™ืงื™ื™ืฅ ื“ื™ ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ืคื•ืŸ HARQ ืื™ืŸ Wi-Fi.
    • ื•ื•ื™ ื’ืจื•ืก ื’ืึทื ืฅ-ื“ื•ืคึผืœืขืงืก, ื“ืขืจื•ื•ื™ื™ึทืœ ื ื™ื˜ ืื™ืŸ ืกืขืœื™ืึทืœืขืจ ื ืขื˜ื•ื•ืึธืจืงืก ืื“ืขืจ ืื™ืŸ ื•ื•ื™-ืคื™ ื ืขื˜ื•ื•ืึธืจืงืก ืขืก ืื™ื– ืžืขื’ืœืขืš ืฆื• ืกื™ื™ืžืึทืœื˜ื™ื™ื ื™ืึทืกืœื™ ื™ื‘ืขืจืฉื™ืงืŸ ื“ืึทื˜ืŸ ืื™ืŸ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืึธืคื˜ืงื™ื™ึทื˜ ืงืึทื ืึทืœ ืฆื• ืื•ืŸ ืคื•ืŸ ื“ื™ ืึทืงืกืขืก ืคื•ื ื˜ (ื‘ืึทื–ืข ืกื˜ืึทื ืฆื™ืข). ืคื•ืŸ ืึท ื˜ืขื›ื ื™ืฉ ืคื•ื ื˜ ืคื•ืŸ ืžื™ื™ื ื•ื ื’, ื“ืึธืก ืื™ื– ืจืขื›ื˜ ืฆื• ื“ืขืจ ื’ืจื•ื™ืก ื—ื™ืœื•ืง ืื™ืŸ ื“ื™ ืžืึทื›ื˜ ืคื•ืŸ ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืื•ืŸ ื‘ืืงื•ืžืขืŸ ืกื™ื’ื ืึทืœ. ื›ืึธื˜ืฉ ืขืก ื–ืขื ืขืŸ ืคึผืจืึธื•ื˜ืึทื˜ื™ื™ืคึผืก ื•ื•ืึธืก ืคืึทืจื‘ื™ื ื“ืŸ ื“ื™ื’ื™ื˜ืึทืœ ืื•ืŸ ืึทื ืึทืœืึธื’ ื›ื™ืกืขืจ ืคื•ืŸ ื“ื™ ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืกื™ื’ื ืึทืœ ืคื•ืŸ ื“ื™ ื‘ืืงื•ืžืขืŸ ืกื™ื’ื ืึทืœ, ื•ื•ืึธืก ืื™ื– ื‘ื™ื›ื•ืœืช ืฆื• ื‘ืึทืงื•ืžืขืŸ ืึท Wi-Fi ืกื™ื’ื ืึทืœ ื‘ืขืฉืึทืก ื“ื™ ื˜ืจืึทื ืกืžื™ืกื™ืข, ื“ื™ ื’ืขื•ื•ื™ื ืก ื–ื™ื™ ืงืขื ืขืŸ ืฆื•ืฉื˜ืขืœืŸ ืื™ืŸ ืคื™ืจ ืงืขืŸ ื–ื™ื™ืŸ ื ืขื’ืœืึทื“ื–ืฉืึทื‘ืึทืœ ื•ื•ื™ื™ึทืœ ืื™ืŸ ืงื™ื™ืŸ ืฆื™ื™ื˜ ื“ื™ ื“ืึทื•ื ืกื˜ืจื™ื ืื™ื– ื ื™ืฉื˜ ื’ืœื™ื™ึทืš ืฆื• ื“ื™ ืึทืกืขื ื“ื™ื ื’ ืื™ื™ื ืขืจ (ืื™ืŸ ื“ื•ืจื›ืฉื ื™ื˜ืœืขืš "ืื™ืŸ ื“ื™ ืฉืคึผื™ื˜ืึธืœ" ื“ื™ ืืจืืคื ื™ื“ืขืจืŸ ืื™ื™ื ืขืจ ืื™ื– ื‘ืื˜ื™ื™ื˜ื™ืง ื’ืจืขืกืขืจ). ื“ืขืจืฆื•, ืึทื–ืึท ืฆื•ื•ื™ื™-ื•ื•ืขื’ ื˜ืจืึทื ืกืžื™ืกื™ืข ื•ื•ืขื˜ ื‘ืื˜ื™ื™ื˜ื™ืง ืงืึธืžืคึผืœื™ืฆื™ืจืŸ ื“ืขื ืคึผืจืึธื˜ืึธืงืึธืœ.
    • ื‘ืฉืขืช ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ ืงื™ื™ืคืœ ืกื˜ืจื™ืžื– ื ื™ืฆืŸ MIMO ืจื™ืงื•ื•ื™ื™ืขืจื– ืงื™ื™ืคืœ ืึทื ื˜ืขื ืึทื– ืคึฟืึทืจ ื“ื™ ืกืขื ื“ืขืจ ืื•ืŸ ื‘ืึทืงื•ืžืขืจ, ืžื™ื˜ ื ื™ื˜-ืึธืจื˜ืึธื’ืึธื ืึทืœ ืึทืงืกืขืก ื“ื™ ืึทืงืกืขืก ืคื•ื ื˜ ืงืขื ืขืŸ ืกื™ื™ืžืึทืœื˜ื™ื™ื ื™ืึทืกืœื™ ื™ื‘ืขืจืฉื™ืงืŸ ื“ืึทื˜ืŸ ืฆื• ืฆื•ื•ื™ื™ ืจื™ืกื™ืคึผื™ืึทื ืฅ ืคึฟื•ืŸ ืึท ืื™ื™ืŸ ืึทื ื˜ืขื ืข. ืคืึทืจืฉื™ื“ืŸ ื ื™ื˜-ืึธืจื˜ืึธื’ืึธื ืึทืœ ืึทืงืกืขืก ืึธืคึผืฆื™ืขืก ื–ืขื ืขืŸ ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ืื™ืŸ ื“ื™ ืœืขืฆื˜ืข 5G ืกืคึผืขืกืึทืคืึทืงื™ื™ืฉืึทื ื–. ืคึผืจืึธื•ื˜ืึทื˜ื™ื™ืคึผ NOMA Wi-Fi ืื™ื– ื’ืขื•ื•ืขืŸ ืขืจืฉื˜ืขืจ ื‘ืืฉืืคืŸ ืื™ืŸ 2018 ื‘ื™ื™ ื“ื™ IITP RAS (ื•ื•ื™ื“ืขืจ, ื˜ืึธืŸ ื ื™ื˜ ื‘ืึทื˜ืจืึทื›ื˜ืŸ ืขืก ืคึผืจ). ืขืก ื“ืขืžืึทื ืกื˜ืจื™ื™ื˜ื™ื“ ืึท 30-40% ืคืึธืจืฉื˜ืขืœื•ื ื’ ืคืึทืจื’ืจืขืกืขืจืŸ. ื“ื™ ืžื™ื™ึทืœืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ื“ืขื•ื•ืขืœืึธืคึผืขื“ ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืื™ื– ื“ื™ ืฆื•ืจื™ืง ืงืึทืžืคึผืึทื˜ืึทื‘ื™ืœืึทื˜ื™: ืื™ื™ื ืขืจ ืคื•ืŸ ื“ื™ ืฆื•ื•ื™ื™ ืจื™ืกื™ืคึผื™ืึทื ืฅ ืงืขืŸ ื–ื™ื™ืŸ ืึท ืึทื•ื˜ื“ื™ื™ื˜ื™ื“ ืžื™ื˜ืœ ื•ื•ืึธืก ืฉื˜ื™ืฆื˜ ื ื™ืฉื˜ Wi-Fi 7. ืื™ืŸ ืึทืœื’ืขืžื™ื™ืŸ, ื“ื™ ืคึผืจืึธื‘ืœืขื ืคื•ืŸ ืฆื•ืจื™ืง ืงืึทืžืคึผืึทื˜ืึทื‘ื™ืœืึทื˜ื™ ืื™ื– ื–ื™ื™ืขืจ ื•ื•ื™ื›ื˜ื™ืง, ื•ื•ื™ื™ึทืœ ื“ื™ื•ื•ื™ื™ืกืึทื– ืคื•ืŸ ืคืึทืจืฉื™ื“ืขื ืข ื“ื•ืจื•ืช ืงืขื ืขืŸ ืึทืจื‘ืขื˜ืŸ ืกื™ื™ืžืึทืœื˜ื™ื™ื ื™ืึทืกืœื™. ืื•ื™ืฃ ืึท ื•ื•ื™-ืคื™ ื ืขืฅ. ื“ืขืจื•ื•ื™ื™ึทืœ, ืขื˜ืœืขื›ืข ื˜ื™ืžื– ืึทืจื•ื ื“ื™ ื•ื•ืขืœื˜ ืึทื ืึทืœื™ื™ื–ื™ื ื’ ื“ื™ ื™ืคืขืงื˜ื™ื•ื•ื ืึทืก ืคื•ืŸ ื“ื™ ืงืึทืžื‘ื™ื™ื ื“ ื ื•ืฆืŸ ืคื•ืŸ NOMA ืื•ืŸ MU-MIMO, ื“ื™ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ืคื•ืŸ ื•ื•ืึธืก ื•ื•ืขื˜ ื‘ืึทืฉืœื™ืกืŸ ื“ื™ ืฆื•ืงื•ื ืคึฟื˜ ื’ื•ืจืœ ืคื•ืŸ ื“ืขื ืฆื•ื’ืึทื ื’. ืžื™ืจ ืคืึธืจื–ืขืฆืŸ ืฆื• ืึทืจื‘ืขื˜ืŸ ืื•ื™ืฃ ื“ืขื ืคึผืจืึธื•ื˜ืึทื˜ื™ื™ืคึผ: ื–ื™ื™ืŸ ื•ื•ื™ื™ึทื˜ืขืจ ื•ื•ืขืจืกื™ืข ื•ื•ืขื˜ ื–ื™ื™ืŸ ื“ืขืจืœืื ื’ื˜ ืื™ืŸ ื“ื™ IEEE INFOCOM ื–ื™ืฆื•ื ื’ ืื™ืŸ ื™ื•ืœื™ 2020.
  7. ืฆื•ื ืกื•ืฃ, ืืŸ ืื ื“ืขืจ ื•ื•ื™ื›ื˜ื™ืง ื›ื™ื“ืขืฉ, ืึธื‘ืขืจ ืžื™ื˜ ืึท ื•ืžืงืœืึธืจ ื’ื•ืจืœ, ืื™ื– ืงืึธื•ืึธืจื“ืึทื ื™ื™ื˜ื™ื“ ืึธืคึผืขืจืึทืฆื™ืข ืคื•ืŸ โ€‹โ€‹ืึทืงืกืขืก ืคื•ื ืงื˜ืŸ. ื›ืึธื˜ืฉ ืคื™ืœืข ื•ื•ืขื ื“ืึธืจืก ื”ืึธื‘ืŸ ื–ื™ื™ืขืจ ืื™ื™ื’ืขื ืข ืกืขื ื˜ืจืึทืœื™ื™ื–ื“ ืงืึทื ื˜ืจืึธื•ืœืขืจื– ืคึฟืึทืจ ืคืึทืจื ืขืžื•ื ื’ Wi-Fi ื ืขื˜ื•ื•ืึธืจืงืก, ื“ื™ ืงื™ื™ืคึผืึทื‘ื™ืœืึทื˜ื™ื– ืคื•ืŸ ืึทื–ืึท ืงืึทื ื˜ืจืึธื•ืœืขืจื– ื–ืขื ืขืŸ ื‘ื›ืœืœ ืœื™ืžื™ื˜ืขื“ ืฆื• ืœืึทื ื’-ื˜ืขืจืžื™ืŸ ืคึผืึทืจืึทืžืขื˜ืขืจ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ ืื•ืŸ ืงืึทื ืึทืœ ืกืขืœืขืงืฆื™ืข. ื“ื™ ืกื˜ืึทื ื“ืึทืจื“ืก ืงืึทืžื™ื˜ื™ ื“ื™ืกืงื•ื˜ื™ืจืŸ ื ืขืขื ื˜ืขืจ ืงื•ื•ืึทืคึผืขืจื™ื™ืฉืึทืŸ ืฆื•ื•ื™ืฉืŸ ืืจื•ืžื™ืงืข ืึทืงืกืขืก ืคื•ื ืงื˜ืŸ, ื•ื•ืึธืก ื›ื•ืœืœ ืงืึธื•ืึธืจื“ืึทื ื™ื™ื˜ื™ื“ ื˜ืจืึทื ืกืžื™ืกื™ืข ืกืงืขื“ื–ืฉื•ืœื™ื ื’, beamforming ืื•ืŸ ืืคื™ืœื• ืคื•ื ืื ื“ืขืจื’ืขื˜ื™ื™ืœื˜ MIMO ืกื™ืกื˜ืขืžืขืŸ. ืขื˜ืœืขื›ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ืึทืคึผืจืึธื•ื˜ืฉื™ื– ืื•ื ื˜ืขืจ ื‘ืึทื˜ืจืึทื›ื˜ื•ื ื’ ื ื•ืฆืŸ ืกืึทืงื•ื•ืขื ื˜ืฉืึทืœ ื™ื ื˜ืขืจืคื™ืจืึทื ืก ืงืึทื ืกืึทืœื™ื™ืฉืึทืŸ (ื•ื•ืขื’ืŸ ื“ื™ ื–ืขืœื‘ืข ื•ื•ื™ ืื™ืŸ NOMA). ื›ืึธื˜ืฉ ืึทืคึผืจืึธื•ื˜ืฉื™ื– ืคึฟืึทืจ 11be ืงืึธื•ืึธืจื“ืึทื ื™ื™ืฉืึทืŸ ื–ืขื ืขืŸ ื ืึธืš ื ื™ืฉื˜ ื“ืขื•ื•ืขืœืึธืคึผืขื“, ืขืก ืื™ื– ืงื™ื™ืŸ ืฆื•ื•ื™ื™ืคืœ ืึทื– ื“ืขืจ ื ืึธืจืžืึทืœ ื•ื•ืขื˜ ืœืึธื–ืŸ ืึทืงืกืขืก ืคื•ื ืงื˜ืŸ ืคื•ืŸ ืคืึทืจืฉื™ื“ืขื ืข ืžืึทื ื™ืึทืคืึทืงื˜ืฉืขืจืขืจื– ืฆื• ืงืึธื•ืึธืจื“ืึทื ืึทื˜ ื˜ืจืึทื ืกืžื™ืกื™ืข ืกืงืขื“ื–ืฉื•ืœื– ืžื™ื˜ ื™ืขื“ืขืจ ืื ื“ืขืจืข ืฆื• ืจืขื“ื•ืฆื™ืจืŸ ืงืขื’ื ืฆื™ื™ึทื˜ื™ืง ื™ื ื˜ืขืจืคื™ืจืึทื ืก. ืื ื“ืขืจืข, ืžืขืจ ืงืึธืžืคึผืœื™ืฆื™ืจื˜ ืึทืคึผืจืึธื•ื˜ืฉื™ื– (ืึทื–ืึท ื•ื•ื™ ืคื•ื ืื ื“ืขืจื’ืขื˜ื™ื™ืœื˜ MU-MIMO) ื•ื•ืขื˜ ื–ื™ื™ืŸ ืžืขืจ ืฉื•ื•ืขืจ ืฆื• ื™ื ืกื˜ืจื•ืžืขื ื˜ ืื™ืŸ ื“ื™ ื ืึธืจืžืึทืœ, ื›ืึธื˜ืฉ ืขื˜ืœืขื›ืข ืžื™ื˜ื’ืœื™ื“ืขืจ ืคื•ืŸ ื“ืขืจ ื’ืจื•ืคึผืข ื–ืขื ืขืŸ ื‘ืืฉืœืืกืŸ ืฆื• ื˜ืึธืŸ ื“ืึธืก ืื™ืŸ ืžืขืœื“ื•ื ื’ 2. ืจืขื’ืึทืจื“ืœืขืกืก ืคื•ืŸ ื“ื™ ืึทื•ื˜ืงืึทื, ื“ืขืจ ื’ื•ืจืœ ืคื•ืŸ ืึทืงืกืขืก ืคื•ื ื˜ ืงืึธื•ืึธืจื“ืึทื ื™ื™ืฉืึทืŸ ืžืขื˜ื”ืึธื“ืก ืื™ื– ืื•ืžืงืœืืจ. ืืคื™ืœื• ืื•ื™ื‘ ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ืื™ืŸ ื“ื™ ืกื˜ืึทื ื“ืึทืจื˜, ื–ื™ื™ ืงืขืŸ ื ื™ืฉื˜ ื“ืขืจื’ืจื™ื™ื›ืŸ ื“ื™ ืžืึทืจืง. ื ืขื ืœืขืš ื–ืึทืš ืื™ื– ื’ืขื•ื•ืขืŸ ืคืจื™ืขืจ ื•ื•ืขืŸ ื˜ืจื™ื™ื ื’ ืฆื• ื‘ืจืขื ื’ืขืŸ ืกื“ืจ ืฆื• Wi-Fi ื˜ืจืึทื ื–ืžื™ืฉืึทื ื– ื ื™ืฆืŸ ืกืึทืœื•ืฉืึทื ื– ืึทื–ืึท ื•ื•ื™ HCCA (11e) ืื•ืŸ HCCA TXOP Negotiation (11be).

ืื™ืŸ ืงื™ืฆืขืจ, ืขืก ืื•ื™ืก ืึทื– ืจื•ื‘ึฟ ืคื•ืŸ ื“ื™ ืคึผืจืึทืคึผืึธื•ื–ืึทืœื– ืคึฟืึทืจื‘ื•ื ื“ืŸ ืžื™ื˜ ื“ื™ ืขืจืฉื˜ืขืจ ืคื™ื ืฃ ื’ืจื•ืคึผืขืก ื•ื•ืขื˜ ื•ื•ืขืจืŸ ืึท ื˜ื™ื™ืœ ืคื•ืŸ Wi-Fi 7, ื‘ืฉืขืช ื“ื™ ืคึผืจืึทืคึผืึธื•ื–ืึทืœื– ืคึฟืึทืจื‘ื•ื ื“ืŸ ืžื™ื˜ ื“ื™ ืœืขืฆื˜ืข ืฆื•ื•ื™ื™ ื’ืจื•ืคึผืขืก ื“ืึทืจืคืŸ ื‘ืึทื˜ื™ื™ื˜ื™ืง ื ืึธืš ืคืึธืจืฉื•ื ื’ ืฆื• ื‘ืึทื•ื•ื™ื™ึทื–ืŸ ื–ื™ื™ืขืจ ื™ืคืขืงื˜ื™ื•ื•ื ืึทืก.

ืžืขืจ ื˜ืขื›ื ื™ืฉ ื“ืขื˜ืึทื™ืœืก

ื˜ืขื›ื ื™ืฉ ื“ืขื˜ืึทื™ืœืก ื•ื•ืขื’ืŸ Wi-Fi 7 ืงืขื ืขืŸ ื–ื™ื™ืŸ ืœื™ื™ืขื ืขืŸ ื“ืึธ (ืื™ืŸ ืขื ื’ืœื™ืฉ)

ืžืงื•ืจ: www.habr.com

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