超高速・高効率 無線LAN 標準化動向 - soumu.go.jp

1 LAN.. 2014 7 11 .. Copyright 2014 NTT corp. All Rights Reserved.. ? ---> .. Copyright 2014 NTT corp. All Rights Reserved. 1. LAN . LAN 10 .. AP AP AP .. SU- OFDM MIMO MU-MIMO.. Wireless LANs 100G. Aggregate throughput [bit/s]. 11ax 10G .11ad .11ac Cellular 1G .11n LTE-A. 100M .11a .11g LTE. 10M .11b HSDPA. AP: Access Point 1M WCDMA MIMO: Multiple-Input-Multiple-Output 100k GSM. PDC. 1995 2000 2005 2010 2015 Year Copyright 2014 NTT corp. All Rights Reserved. 2.. 11ac 11n MU-MIMO . A. 11n .. B. MU-MIMO-MIMO . Copyright 2014 NTT corp. All Rights Reserved. 3. MU-MIMO.

2 AP . (SDMA) . SU-MIMO MU-MIMO. LAN 1 AP .. AP STA. AP.. ieee , WiMAX, LTE .. AP .. Copyright 2014 NTT corp. All Rights Reserved. 4.. 11n 11ac / . 1. 4 1 8. 2. 40 MHz 80 MHz 160 MHz 3. 64 QAM 64 QAM 256 QAM. 4. Frame Aggregation 65,535 Byte 8,191 Byte 1,048,575 Byte PHY 600 Mbps PHY 485 Mbps 157 Mbps (MAC ) ( ) ( ) ( ). / . 11n 1/3 PHY .. Copyright 2014 NTT corp. All Rights Reserved. 5. LAN . 2020 1000 (2010 ) . LAN . 3G LTE NW LTE-A LTE-B/C. 1000. 1000 .. NW. 800. 600. 6. LAN NW . 400. 11n 11ac LAN .. LAN WiFi . 200. M2M networks Smart phone Year 1. 2010 2012 2014 2016 2018 2020.

3 Copyright 2014 NTT corp. All Rights Reserved. 6. LAN .. LAN . LAN AP . LAN . Airport / Station Residential Area Stadium Coffee shop / Restaurant Shopping mall Copyright 2014 NTT corp. All Rights Reserved. 7. LAN . LAN 10 . 11ax .. AP AP. AP AP A . AP.. B .. AP . SU- OFDM MIMO MU-MIMO.. AP AP . 100G Wireless LANs Aggregate throughput [bit/s]. 11ax 10G .11ad .11ac Cellula 1G .11n LTE-A r . 100M .11a .11g LTE. 10M .11b HSDPA 2014 5 . (TG)ax . 1M WCDMA AP: Access Point GSM MIMO: Multiple-Input-Multiple-Output . 100k PDC. 1995 2000 2005 2010 2015 Year Copyright 2014 NTT corp.

4 All Rights Reserved. 8. 11ax . 11ac 2017 2019 .. 9. Copyright 2014 NTT corp. All Rights Reserved. 9.. CSMA/CA .. AP-1 AP-2 AP-N. STA STA Mutual STA STA STA STA. 1 2 Interference 3 4 x y Suppression Copyright 2014 NTT corp. All Rights Reserved. 10.. 1. LAN . LAN . : : 11b 11g 11n 5 GHz : 11a 11n 11ac 2. LAN 11ac . 11n : . MU-MIMO . 3.. LAN .. : . Copyright 2014 NTT corp. All Rights Reserved. 11. , ITU-R . NTT . ieee 2013 .. (WLAN), (WPAN): : 3 7 .. TGax ( ): Secretary( . HEW-SG : Secretary . TGac ( ): COEX-ad-hoc co-Chair .. 2 . ITU-R 2013 . Working Party . SG3: 2013 6 2.)

5 SG4: 2013 10 2014 1 7 1 2 . SG5: 2013 11 12 2014 5 1 .. DG Chair 2 .. ITU 1 . Copyright 2014 NTT corp. All Rights Reserved. 12.. Copyright 2014 NTT corp. All Rights Reserved. May meeting . US: 42%. CN: 9%. JP: 9%. KR: 11%. (blank): 18%. Copyright 2014 NTT corp. All Rights Reserved. 14. ieee WG. : LAN 1990 . 1997 . 802 Executive Committee WG WG. (HILI) (Ethernet) (WPAN) (WMAN) (Coex) (MIHS) (WRAN) (Smart Grid). WLAN/WPAN Media Independent Handover (3G-Wi-Fi).. (WLAN) (RR-TAG).. Wi-Fi Alliance IETF Bluetooth 3 GPP ISO/IEC JTC1. LAN LAN GHz ISO . NW . Copyright 2014 NTT corp.

6 All Rights Reserved. 15.. Task Group Discussion Study Sponsor Making Published Base Standard Topics Group WG Ballot Ballot Draft TGai FILS Video TGak Transport GLK OFDM(5 GHz) HT. TGaq Management PAD HR ( ) WAVE. Frame QoS. Ad Hoc Groups TGax Multi-domain Roaming WNG SC HEW TGah QoS Mesh NW. Sub VHT in 1 GHz 60 GHz OFDM Inter-working TGaj China SMa WNM. VHT. mmW < 6 GHz Security PMF.. JPN 5 GHz TVWS. Letter Ballot Sponsor Ballot TG . RMM TDLS. Copyright 2014 NTT corp. All Rights Reserved. 16.. ieee . Task Group mc (TGmc) ieee .. 1 GHz TVWS . Task Group ah (TGah). LAN (WG Letter Ballot).

7 (FILS: Fast Initial Link . Task Group ai (TGai). Setup) (WG Letter Ballot). LAN . Task Group aj (TGaj) .. Task Group ak (TGak) .. Task Group aq (TGaq) . Pre-Association Discovery .. Task Group ax (TGax) . PHY & MAC . Copyright 2014 NTT corp. All Rights Reserved. 17.