20190725 janog44 wifi6-5g pdf - janog | japan ......source: cisco sponsored research source: cisco...

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2019/07/25

JANOG 44Wi-Fi6ƌ5GƑ/nƏNŸƊ

© 2019 Cisco and/or its affiliates. All rights reserved. Cisco Public

• 5GŴƋƊŵƄƠWi-FiƒƝŰůƠƎůƑƋƒǴƌĢƤƣƙžŪƋžŴũƂƝƂƝWi-FiŴ�ŴơlƜƄ10�:ƏžƋƏƿǦǤǬĄƒ-\�ŕŻƣƊůƙżƄŪƂƣƋƝWi-FiŴ�ŴƇƄãèƞũ��ƑWi-FiƑ�ć�ŸƥǝƪǪƏŲĪżżƄůƌ�ůƙžŪ

• Wi-Fi6ƌƒ

• Wi-Fi6ƌ5G9çƶǬƽ

¿³ŲĪżżƄůźƌ


ǩƪǠǧƽǚǬƶǄǇgş

ǤǄǔǇǄǔ

ǁǓǧǄǇũ¬�ŝĪ

ƽǚǬǇǐǦǆƩǪƵǤƪǇũ×�ũưǝǤũǥǬǂǬ

ƫƬƨǤǓǦAR, VR, ƽǚǬǇƫƮǄǃ

IoTǨǘǄǇũƿǪƹǬ

ŠfƌǐǆƯǆǧǐ�ĳũVoIP

2022�ƙƋƏǐƼǋƽƋ�ƤƣƢǞǎƪǦ

ǆǎƪƽ in; 12% CAGR12.3B

ǐƼǋƽǞǎƪǦǇǤǒƩǄƴ�Ŕ5-7$


11ac

11n

11g11b

11ax

11a/g

>áA

4$ƑwŒIoT ƽƶǬǦ

19992003

2004

2009

2013

2019�

Wi-Fi 1Wi-Fi 2

Wi-Fi 4

Wi-Fi 3

Wi-Fi 5

Wi-Fi 6

§ Wi-Fi 6 ƌƒ 802.11axŪ§ IEEE ƒ IEEE802.11ax ƑÉÙAƥ¨ŇŪ§ Wi-Fi Alliance (WFA) ƒ�ďǢǬƺƏƝ

Wi-FiƑ��ƞũø¾ƌAPƑð�£ĔŴKƇƊůƢų7°żƞžůƟŰƏũ��ƥ®%ƋĖĤžƢƌìĖŪ

11Mbps54Mbps

54Mbps

600Mbps

3.5GbpsǮ5GHzƑƚǯ

9.6Gbps

Wi-Fi 6 ƌƒ


2013 2014 2015 2016 2017 2018 2019

HEWƽǁǆƩƵǦǬǔ

ìĸ

IEEEƑƽǁǪǂǬǈ

Ó?ƌżƊ¢ī

ǁƽƴƵǦǬǔƲǄƴƯǒ

IEEE802.11ax Draft1.0


ǫǫǫǫǫǫǫ ǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫ

YƚƏAPƌƴǤƪƨǪǇƑð�§ăīsƥēŰũWi-Fi Alliance Ǯð�§ăīsËŗǯƒ IEEE ƑÉÙAƞAP/ClientƑǥǥǬƽßÐƥĝƊũ8ƋƽƶƼǡǬǦŻƣƙžŪ

Wi-Fi Allianceƒ2019�9»ƏīĨŕl�s

(2018/7¸Úǯ

ǫǫǫǫ


2020

ǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫǫ

IEEE802.11ax ÉÙA�s

Ǯ2019/3¸Ú)

ÉÙAƒ2020�ƏſƣƊůƢŪƂƣ�:ƏǥǥǬƽŻƣƢĚRƒ Draft z�Ū

FĈ

http://www.ieee802.org/11/Reports/tgax_update.htm

IEEE 802.11ax ÉÙAƽƶƼǡǬǦ

http://www.ieee802.org/11/Reports/tgax_update.htm


Wi-Fi6 ƌ11ax ƑŊů

Wi-Fi 6 802.11ax

Wi-Fi AllianceÜĆLANƏŗƤƢÇéZ�ÇéƑì�ŲƟƔð�§ăƥtâ

IEEE ( Institute of Electrical and Electronics Engineers )

ŝÍ�oũŝm�o o�£ĔƥsƜƢZ�

QMĉ

çł ËWŴWi-Fi6z�żƊůƢźƌƥµôžƢ ǅƴǌǨƼǬƥ£ĔîƏġĬ


A:Ń"�

B:�Ë

C:�Ë

D:�Ë

E:�Ë

Ŭ�ƙƋƑÜĆLANŭ

1JſƈũÝ&Ńē

Client A

20MHz

�:ƒ1ƴǤƪƨǪǇŴŃ"žƢ�`ƥD¼

F:�Ë

G:�Ë

H:�Ë

I:�Ë

�ƙƋƑÜĆLANƑĮţ


Client AClient B

Client CClient D

Client EClient F

Client GClient H

Client I

20MHzě®ƴǤƪƨǪǇƏ

Ő4žƢÛũÒƑ�ƥ1/4ƏĀ4A

[802.11ax 20MHz tone26]

802.11axƋƒũOFDMƑƹǓƲǟǥƨƥĀ4Ażũě®ƑǢǬƺƋ�`ƥ4ŸqsżƄŃ"ƥ©�ŪRUƌůŰƵǦǬǔƋB5ơũL¸ƏŃ"ƋŵƢƟŰƏƎƇƄŪ

20MHz�ƥºj9ƴǤƪƨǪǇƋ4;żũL¸ƏŃ"

ǫOFDMA(Orthogonal frequency Division Multiple Access):ï PÒ®4;i*§ăŪě®ƑǢǬƺƋ�`ƥ/¼ŪǫRU(Resource Unit):toneƥÁƐƵǦǬǔAżƄƝƑŪ

A:Ń"�

B:Ń"�

C:Ń"�

D:Ń"�

E:Ń"�

ě®JL¸ũÝ&Ńē

F:Ń"�

G:Ń"�

H:Ń"�

I:Ń"�

Wi-Fi 6 Ǯ802.11ax) Ƒ OFDMA


Client1

Client2

Client3

Client1

Client2

Client3

[�:]

[OFDMA]

APƌƴǤƪƨǪǇŴ1:1Ū �ļĆƥ#8ƑǇǤǄƴƋŉƔũ¸ŖƝųųƢ

APƌƴǤƪƨǪǇŴ1:NŪǱJƑǇǤǄƴƥ/¼ż>áîƏŉƕ

Ŭş±ǙƪǪǇŭ

ě®ƑƴǤƪƨǪǇƋ�`ƥ/¼żL¸ƏŃ"ǭ

1ƴǤƪƨǪǇƋ�`ƥD¼



OFDMA


2.4 GHz 5 GHz

IoT & More Clients

802.11ax ǮWi-Fi 6) Ƌƒ 5GHz ƅŸƋƎŷ 2.4GHz Ɲz�

2.4GHz Ɲ 5GHz Ɲ>áîƏqsżƄŃ"Ɩ


802.11ax (OFDMA) ƏƟơũL¸§ăƥtâǍƪƴƯǥǅƩƎƹǬǐƽƥ©�IĊƋž Ǯ voice/video/data services ǯ

ųƤƠƎů ǆǬǁ ƽǦǬǔǄǇ

Wi-Fi 6 ƒĵçz>ÄŴŨŷƍźƋƝÓçƋŵƢƅŸƋƎŷũŨůƹǬǐƽǧǕǦǮSLAǯ ƥ©�ƋŵƢƲǟǏƻǅƩƥ¥ƇƊůƙž

Source: Cisco sponsored research


Wi-Fi 6 (ax)Wi-Fi 5 (ac)CBP*

*Cisco Best Practice

ø¾® ǮClient Countǯ

ň�¸Ŗ

Late

ncy

(ms)


�sƑ Šf ň�Ƒ}ƎŻ

Wi-Fi 6 (ax)Wi-Fi 5 (ac)

Thr

ough

put (

Mbp

s)ø¾® ǮClient Countǯ

ň�Ŵ}ƎůƘƍqs

ƽǦǬǔǄǇƒ

ŨůƘƍ´ůǭ


MU-MIMOºj8ø¾ƙƋL¸§ă

Uplink(option) & Downlink(4��Ţ)

ě®ƨǪǅǉƋŝÒƑ�ðƥį¯żũě®Ƒø¾ƋŨůǏǒƮǬǚǪƽƥ

ÕśżƊůƢädƋƝŨńƏ2ã

MU-MIMO ǮMulti-User Multi Input – Multi Output)


Client1Client2Client3

[802.11ac wave2][802.11ax]

�ơ4ļĆ(option)ũ�ơ1ļĆ�ơ8ļĆ(4��Ţ)ũ�ơ8ļĆ(option)Ƌ>áA

Client4Client5Client6Client7Client8

Client1

Client2

Client3

Client4

Client5

Client6

Client7

Client8

MU-MIMO


Client1Client2Client3

[802.11ac wave2][802.11ax]

�ơ4ļĆ(option)ũ�ơ1ļĆ�ơ8ļĆ(4��Ţ)ũ�ơ8ļĆ(option)Ƌ>áA

Client4Client5Client6Client7Client8

Client1

Client2

Client3

Client4

Client5

Client6

Client7

Client8

Ŭş±ǙƪǪǇŭ

�`�ƒàƜſě®ƑƴǤƪƨǪǇƋL¸Ə�ơũL¸Ə�ơƑŃ"Ŵ

ƋŵƢƟŰƏǭ

MU-MIMO


36 40 44 48 52 56

104 108 112 116 120 124 128

60 64 100

132 136 140

1 6 11 1 6

6 11 1 6 11 1

1 6 11 1 6

6 11 1 6 11 1

1 6 11 1 6 116 11 1 6 11 1 6

1 6 11 1 6 116 11 1 6 11 1 6

1 6 11 1 6 11

[�ƙƋƑŨx�APŐć2.4GHz]

[�ƙƋƑŃ�Őć 2.4GHz]

�ÖżƊBusy ƌ7°ũŁ"ƥ�ƈ

36-4852-64

100-112116-128

36-4852-64

100-112116-128

36-4852-64

100-112116-128

36-4852-64

100-112116-128

[�ƙƋƑŨx�APŐć 5GHz 80MHz� or W52ƑƚƑĦģ]

36-4852-64

100-11236-4852-64

100-11236-4852-64

52-64100-11236-48

52-64100-11236-48

52-64100-11236-48

36-4852-64

100-11236-4852-64

100-11236-4852-64

52-64100-11236-48

52-64100-11236-48

52-64100-11236-48

100-112

36-4852-64

100-112116-128

36-4852-64

100-112116-128

36-4852-64

100-112116-128

36-4852-64

100-112116-128

100-112

DFSƞ�ÖƋ1ƈ�űƎŷƎƢƌ

2.4GHz LÈ�ÖżƊ Busy

[�ƙƋƑŃ�Őć 5GHz20MHz�]

36 40 44 48 52 56

104 108 112 116 120 124 128

60 64 100

132 136 140

ŐćƏ�ĘŴŮƣƓ�ÖżƎů

20MHz�ƑcKƒCH®Ŵiŷ�ÖżƎů

4ƈƑCHƋƳǥƳǥƿǦĦģƋŵƢų

ƍŰų

Ũx�ädƑLCH�ÖTţ


ø¾ƒ�ůƏŀůAPƖ§ăżŃ"żƟŰƌżƙžŴũLŽCHƑƿǦŴėƇƊůƢÛǮLŽ BSS ColorǯũCCA Ƒżŵů%Ƌ Busy ƌ7°żũCSMA/CA ƏƟơ�ƆŴìåŪ

LCH�ÖƋbusy ƌ7°žƢ

RSSI Ƒý[

LCH�ÖƋƝÜğžƢ

RSSI Ƒý[

1CH

6CH

11CH

1CH

�ƆŃ"

�Ɔ¸ŖŴìåžƢ�āƚ (AP)


1CH

6CH

11CH

1CH

Ń"Ń"

BSS Color ŴêƎƢcKũŃ"ƥ�ƄƎůƌůŸƎůƌ7°žƢżŵů%(CCA-SDǯƥ?îƏ�ŹũLCHƋƝL¸ƏŃ"IĊƏžƢŪźƣƏƟơũŨx�ƎädƋCH®ŴŘƠƣƊůƢädƋƝL¸§ă®ƥe=žƢźƌŴƋŵƢŪ

BSS Color = 1 BSS Color = 2

êƎƢ Color ƒũżŵů%UP Ŭş±ǙƪǪǇŭ

Ũx�APädƋƝƟơĐůǏǒƮǬǚǪƽ

802.11ax BSS Coloring (AP)

LCH�ÖƋbusy ƌ7°žƢ

RSSI Ƒý[

LCH�ÖƋƝÜğžƢ

RSSI Ƒý[


Wi-Fi 6: �³ųƠ±żůǞǎƪǦädƥ

ǆǬǁǧǬǇe=

�ň�

ƟơĐůIoT ưǎǧǄƼ

ñŝ<

ŻƠƎƢŨx�

>áîƎ÷Ŗ19ç(OFDMA, MU-MIMO

BSS ưǤǬǥǪƵ) ǒǧƲƻǓǦƎ�3<ƽƶƼǡǬǥǪƵ

(Target Wake Time)

Ɵơ�AŻƣƄƲǟǏƻǅƩ

(OFDMA)ƨǄǔǥǪƴǥǀǬƽƽƶƼǡǬǥǪƵ

(OFDMA)ƟơŨ�Ǝgį(ºj 1024 QAM)

ŻƠƎƢƽǑǬǈ | ºŌƎƲǟǏƻǅƩ | IoT Ready


Wi-Fi6ƌ5GÌľƌ9çƶǬƽ


5G or Wi-Fi6?

https://www.cisco.com/c/ja_jp/products/wireless/index.html

https://www.cisco.com/c/ja_jp/products/wireless/index.html


ƨǪǤƪƿǪƽPÒ®�ƌǤƪƿǪƽPÒ®�Ìľ

• ĦćƑw¶Ż

• �ŝÒǔǨǇƸǦƌ/çƑƄƜũ�òƋŵƎů�ÖƥŮƠųŽƜĈ�żƊŲŷ�Ĝ�

• 5GHzƋƒDFS (ǧǬǂǬ�ÖXōËĊ) Ŵ�ŢƎǃǟǋǦŴŮƢ

• a¿{çƄƜŨůŃ"Rķƥ!ƈźƌŴw¶

• ħIŻƣƄüã�ƑƚŴ

,ħƏaƉůƊĦćIĊ

• {çËWƑƄƜĦ'ƸƽǇŴŨŧżŴƆ

• ²n./Ç@ƞĕ·Ń"ƌƑ/nƻƽǅǜ

• 9çIĊc • 4.5GHz z�ø¾• ĚRǫŉçƸƽǇ

ƨǪǤƪƿǪƽPÒ®�(Wi-Fi6 Oƛ Wi-Fi)

ǤƪƿǪƽPÒ®�(5G/Local 5G OƛƿǦǤǬ)

Local 5G â¸ÚƋƑ�µÚ

• ƨǪǤƪƿǪƽPÒ®�ǳ,ħƥ�ĜƌżƎůPÒ®�Ƌũüã�Ŵn]żƎůßÐ�ƋPÒ®ĶØƥ/ç

• ǤƪƿǪƽPÒ®� (ƿǦǤǬƑcK)ǳ,ħƥ�ĜƌžƢPÒ®�Ƌũą@ñųƠħIŻƣƄüã�Ŵ¦sŻƣƄPÒ®ĶØƥ9ç


ƂƝƂƝƎƁWi-FiŴźƣƅŸ¹GżƄƑųǴ

,ħ�ĜǎǪǈ

ĭƋƝƍźƋƝ

ĦćIĊ

ǢǬƺǝǥǄǇ

ƸƽǇƞƽǦǬǔǄǇƥÍƏƀſ§ă

ƸƽǇ

q ƏlƜƠƣƢ

ø¾ƑĴyŻ

¼ĆǙǬǇƞSIMƒƎŷƊƝWi-FiƪǪǁǬǒƬƪƽƒŮƢ

ƲǟǏƻǅƩ

ƲǟǥƨƯǒǨǬǈƞƯǒƩƽ9çûƏ

ºŌ

��ª�

ĠËǫmËƑ

ǥǔǧǬƽ¸½ƥčèƏÏsIĊ


Wi-Fi6¸�ƑWi-FiƑÞ�

,ħ�ĜǎǪǈ

ƸƽǇƲǟǏƻǅƩ

ø¾ƑĴyŻ

ǢǬƺǝǥǄǇ

��ª�

*ūƑWi-FiƑǝǥǄǇ

ŻƠƎƢƲǟǏƻǅƩ

ŻƠƎƢƽǦǬǔǄǇ

qs�

�ň�ťĹŜ¤�

ñŝ<

Wi-Fi 6 Þ�

11r/k/v

WPA3

ƂƑ�

ÉÙA

• Wi-FiƋj�kǴƌĻĺżƊůƄ9çƶǬƽ

• Wi-FiƅųƠźƦƎƝƑƅƌıƜƊůƄ9çƶǬƽ

ƋƑÓçƥ�s


Wi-Fi 6 vs 5G £ĔÌľ

• Ų�ůƂƣƃƣ�ÚƥęrżƈƈƂƣƃƣƑ�ƚƒgƤơƙƀƦ

�ƚ

• Wi-Fi 6: ǇǤǒƩǄƴƲǟǏƻǅƩ(3<Ŵ�ůƑƥ9çżƊŞ�ŕƋ)�)

• 5G: ťĹŜ

Source: WBA, Sept 2017

LTE5G Wi-Fi6


±ǩƪǠǧƽǅƴǌǨƼǬ

�sŻƣƢƨǔǥƶǬƻǣǪ

ǆǬǁŲƟƔ9ççłƏŲŸƢüãĉ ƭǪǁǬǔǤƪƾ ¼

~h ~0ưǎǧǄƼ ƲǟǏƻǅƩũx�

~h + ~0

Wi-Fi 6(802.11ax)

5G

ƹǬǐƽǔǨǎƪǂüã

ºŌƎäd

Ń ~hǩƪǠǧƽ AR/VR ƨǔǥ ċjƎ IoT ~0�ÇǮƯǒƩƽǯ

ÔŃ

e=žƢÜĆŃ"§ă5G ƌWi-Fi 6 ƒęrƎŴƠì�żƊůŷ


Wi-Fi69çƶǬƽ

Ũġ(�ƌČc�ƑŮƢ�Ŧ

#8ƏưƽǁǚƪƾŻƣƄƹǬǐƽ

ƿǪƹǬƞ�ć�bƎƍƑIoTÓç

Ũx�äd

źƣƙƋƑWi-FiƑǝǥǄǇǰWi-Fi6Þ�ũǆǬǁÓçƎƍ

ƯǒƩƽƞ.Ē§ă

ǆƩƽưǄƻǣǪǙƪǪǇ


• ,ħ�ĜƋũĭƋƝĦćIĊƎŲ¡ĽŻ

• ø¾Ŵi�ƏƤƄƢƄƜũ§ăǔǨǇƸǦƥŘs�IĊ

• �ÖƒŮƢŴũjŵƎTţƏƒƎƠƎů

• �h

• SOHO/ǞǎƪǦǩǬưǬũ|ĞÊ/ö?�ĎƎƍƒLTE/5GŴNůƊůƢIĊ�Ůơ

ƯǒƩƽƞ.ĒWi-Fi

ƯǒƩƽƞ.Ē§ă

Wi-Fi6


• ƽǁƼƨǜũó½ƑƪǕǪǇ�cƎƍ


• ¥ƆĿƙƣƢø¾Ŵi�ƏƤƄƢƄƜũ§ăǔǨǇƸǦƥŘs�IĊ

• �ÖƒŮƢŴũjŵƎTţƏƒƎƠƎů

• Ş�ŕƋĈűƢƌWi-FiƑƘŰŴŨƲǟǏƻǅƩ• 3<Ŵ�ů4ũƨƴƿƽǙƪǪǇƥiŷŐćIĊ

Ũx�äd

36 40 44 48 52 56

104 108 112 116 120 124 128

60 64 100

132 136 140

36 40 44 48 52 56

104 108 112 116 120 124 128

60 64 100

132 136 140

Wi-Fi6

Ũx�äd


• .ĒWi-FiƞŨx�Wi-FiƏǰαƑƹǬǐƽ

• â^ƏÃƄǢǬƺƖƑ#8ƹǬǐƽ

• ƽǁƼƨǜƞǞǬǦƎƍƋÓç

• ǇǤǓǦƻǡǬǅƩǪƵ

• č4ƋǇǤǓǦƻǡǬǅƩǪƵƋŵƢ


ǧƽǇǤǪƑƚ9ç

ņ¾ƏƟŷÃƢŤu

VIP ǝǪǎǬ

ŤuƥǔǨǒƧƪǦžƢǖǦǀǉ

Wi-Fi6




• �ÖŴŮƇƊƝ�šŴ}ƎůƝƑŘs

• IoTËWƏWi-FiƪǪǁǬǒƬƪƽŴƎůcKƒǁƵƥ9ç

ƿǪƹǬƞ�ć�bƎƍƑIoTÓç�cƑƶǬƽ

Wi-Fi6 or 5G

Wi-Fi6

Ķæ/�Süã

• ǁƵƞƽǚǗƋ�ć�büã

• Ƅƅżũÿ�ƒŨŷƎůƑƋ9çƒŘsî

ƿǪƹǬƏƟƢ�bHŚ

• ×�üãƎƍƴǥǅƩưǦƋƒƎů

AGV (Ü�«Łļ)

5G

�cƋƑ-Ş�ŕ

• ŐĆƸƽǇƙƋOƜƢƌ5GƑƘŰŴq ƏƎƢIĊ�Ůơ

Machine-to-MachineƑƸǪǇǨǬǦ

• ƴǥǅƩưǦƎƿǪƹǬƸǪǇǨǬǦ�¼ĆƌƑÌľƏƎƢIĊ�Ůơ

ƨƿǄǇüãƿǪƹǬƞ�ć�bƎƍƑIoTÓç


• ,ħ�ĜƋq ƏŲ¡ĽƏlƜƄůcK

• �ÖƏƟƢŃ"Ƒ�qsŻƑ�šŴ}ƎůƝƑŘs

• ø¾ƒVR/AR{çË


Wi-Fi6 or 5G

Wi-Fi6

ExƎň�ƟơƸƽǇƞŲ¡ĽŻũŨx�ĜÎŴ)+žƢƻǬǪ

• oÅ

• ǇǧǬǊǪƵ

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https://www.wlan-business.org/mailmagazine

20190725 janog44 wifi6-5g pdf - janog | japan ......source: cisco sponsored research source: cisco...

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