802.11 LAN MIMOMassive MIMO
Wi-Fi 20 OFDMorthogonal frequency division multiplexing IEEE 802.11 LAN MIMOmultiple input multiple output LAN MIMO MIMO LTElong term evolution IEEE 802.11n MIMO LAN LAN MIMO LAN MIMO IEEE 802.11a LAN MIMO 20 LAN MIMO 1 PHY MIMO 1 MAC PHY MAC
ii 24 LAN 5 MIMO Massive MIMO 5 2014 MIMO 6 IEEE 802.11ac MIMO MIMO LAN 802.11 LAN 2017 8
1. 1.1... 1 1.2... 4 2. LAN 2.1 LAN... 6 2.2 LAN... 7 2.2.1 LAN... 7 2.2.2... 8 2.2.3... 10 2.3 LAN... 12 2.3.1 IEEE 802 LAN... 13 2.3.2 IEEE 802.11n... 14 2.3.3 IEEE 802.11aa... 24 2.3.4 IEEE 802.11ac... 25 2.3.5 LAN IEEE 802.11ax... 29 3. LAN PHY 3.1 LAN... 32 3.2 OFDM... 32 3.2.1... 32 3.2.2 OFDM MIMO-OFDM... 34 3.3 IEEE 802.11a OFDM... 36 3.3.1... 38
iv 3.3.2 OFDM... 39 3.3.3... 40 3.3.4 PHY... 41 4. LAN MAC 4.1... 43 4.2 CSMA/CA... 45 4.2.1 IFS... 45 4.2.2 EIFS... 46 4.2.3... 47 4.2.4... 48 4.2.5... 49 4.3 IEEE 802.11e QoS... 53 4.4 MIMO SU/MU-MIMO... 55 4.4.1 MIMO IEEE 802.11n... 56 4.4.2 MU-MIMO IEEE 802.11ac... 57 4.5 IEEE 802.11ac QoS... 61 4.6... 62 4.7 IEEE 802.11 802.11n... 69 5. Massive MIMO 5.1 MIMO... 77 5.2 MIMO... 81 5.3 MIMO... 92 5.3.1... 92 5.3.2... 94 5.4 MIMOMU-MIMO... 98 5.5 MU-MIMO... 101 5.5.1... 101 5.5.2... 105
v 5.6 PHY SU/MU-MIMO... 106 5.7 Massive MIMO... 108 5.7.1... 108 5.7.2... 108 5.8 MAC... 111 5.8.1 CSI... 111 5.8.2... 112 6. LAN MIMO 6.1 LAN MIMO SU/MU-MIMO... 114 6.1.1 MAC... 114 6.1.2... 115 6.1.3 CSI... 115 6.1.4... 116 6.2 PHY/MAC... 117 6.2.1... 117 6.2.2 SNR... 120 6.2.3 SU/MU-MIMO PHY... 122 6.2.4 CSI... 123 6.2.5... 124 6.3 SU/MU-MIMO... 126 6.3.1 MCS... 126 6.3.2... 128 6.3.3 CSI... 128 6.3.4... 129 6.3.5... 130 6.4 CSI MU-MIMO... 131... 134... 136... 145
1 1.1 LTElong term evolution 1) IEEE 802.11 LAN 2), 3) PC 5 5G 4), 5) 1.1 10 9) 2007 1 LAN 1 1 2 1.1 2014 9)
2 1. 21 CDMAcode division multiple access 6), 7) 3 LTE 2010 1) 2), 3) LAN WiMAX 8) Mbps 1.2 LAN LTE IEEE 802.11n LAN 100 Mbps 200300 Mbps 5 bps/hz 100 Mbps/20 MHzLTE Advanced IEEE 802.11ac 10 1.2 LAN OFDMorthogonal frequency division multiplexing 10) 12) OFDM Turbo LDPClow-density paritycheck code 16 QAM64 QAM 10), 12) MIMOmultiple input multiple output 13), 14) 1.2 100 Mbps
1.1 3 MIMO 2000 MIMO MIMO i) ii) 16), 17) MIMO LAN WiMAX LTE MIMO MIMO SDMAspace division multiple access 19) 21) MIMO 1.3 SDMA SDMA 41), 42) APaccess point t 1 f 1 TDMA time division multiple access FDMAfrequency division multiple access 5) TDMAFDMA SDMA AP 1 2, 3 SDMA TDMAFDMA 1.3 SDMA
4 1. SDMA 1.3 1 SDMA MIMO AP AP MIMO MIMOMU- MIMO 22) 25) MU-MIMO LAN IEEE 802.11ac 3) LTE Advanced 29) MU-MIMO 1 AP MIMO MIMOsingle user MIMO SU-MIMOMU-MIMO SU-MIMO MIMO MU-MIMO Massive MIMO Massive MIMO AP 26) Massive MIMO 1.2 SU-MIMO MU-MIMO 22) physical layerphy SU/MU-MIMO channel state informationcsi PHY MACmedium access control LAN IEEE 802.11ac SU/MU-MIMO MIMO 2 LAN IEEE 802 3 PHY LAN OFDM
1.2 5 4 MAC LAN MIMO MU-MIMO 5 MIMO MIMOSU/MU-MIMO MIMO 25) 6 LAN MIMOSU-MIMOMU-MIMO PHY MAC SU-MIMO MU-MIMO PHY MAC MAC MU-MIMO SU-MIMO MU-MIMO CSI CSI AP 100 Massive MIMO 65) 67) 5G Massive MIMO CSI CSI Massive MIMO MIMO LAN MIMO LAN 6 PHY MAC
53 77 11 77 37 10 96 118 34 93 6 48 90 99 18, 19 91 90 97 94 18 43 36 78 118 118 78 2 48 41 89 90 86 38 93 33 88 85 95 91 120 117 CTS 17 126 119 119 78 87 95 100 81 99 16 126 47 105 34 82 37 33 4 117 12 14, 23 102 33 19 106 91 43 83 7 16, 19 41
146 A AC 53 accatime 49 AC BE 53 AC BK 53 AC VI 53, 61 AC VO 53, 61 AIFS 53 amacprocessingdelay 51 AP 94 APSD 24 arcplcpdelay 49 arxtxswitchtime 51 arxtxturnaroundtime 51 asifstime 51 Association 8 atxplcpdelay 51 atxrampontime 51 atxrfdelay 51 A-MPDU 23, 59 A-MSDU 23 B BA 62 BAR 62 basic service area 7 basic service set 7 BD 101 BER 107 BPSK 36 BR 59, 123 BR 75 BRP 59 BRP 75 BSA 7 BSS 7 busy 45 C CAMA/CA 6 contention window 45 CSI 59, 122 CSI 55, 111 CSMA 6 CSMA/CA 39, 43, 44, 54 CSMA/CD 6, 44 CW 45 D db 117 DCF 43, 54 DCF IFS 45 DFS 10 Disassociation 9 Distribution 9 distribution service 7 distribution service medium 7 DPC 105 DS 7 DSM 7 dynamic frequency selection 10 E EDCA 53 EDCAF 61 EIFS 46 F FDMA 3 FFT 35 G GI 34 Group ID 61 H HEW 29 HT 64 HTC 64 HT Control Middle 73 HT-LTFs 64, 66 HT-STF 64 I idle 45 IEEE 802 13 IEEE 802.1D 53 IEEE 802.11 1 IEEE 802.11 6 IEEE 802.11ac 61 26 25 IEEE 802.11ax 29 IEEE 802.11n 14 IEEE 802.11WG 13 IFFT 35 IFS 45 Integrated LAN 7 Integration 9 ISM 7, 49 i.i.d. 106 L LLC 8 logical link control 8 Lower 16 LTE 1 L-LTF 64 L-SIG 64 L-STF 64 M MAC 4 MAC 6 MAC-SAP 64 Massive MIMO 5, 108 MCS 60 MIMO 84 MIMO-OFDM 35 MISO 84 MLD 93 MMSE 92 More Data 69 More Fragments 69 More PSMP 22 MRG 24 MRG-Block-ACK 24 MRG-Directed 24 MRG-Unsolicited-Retry 24 MU-MIMO 26 N NAV 71 NDP 59 NDP 75 NDPA 75 O OFDM 2, 32 OFDM 62 OFDMA 30 open systems interconnection 13
147 Order 69 OSI 13 P PHY 6 PHY CCA.indication 51 PHY RXEND.indication 51 PHY RXSTART.indication 51 PHY TXSTART.request 51 PIFS 45 PLCP 49 PLCP 64 PLCP 64 PMD 49 PMD DATA.request 51 PMD DATA.indication 49 PMD RSSI.indication 51 Power Management 69 power save multi-poll 19 Protected Frame 69 Protocol Version 69 PSMP 19 PSMP ID 22 PSMP STA Info 22 PSMP-DTT 19 PSMP-DTT 22 PSMP-DTT 22 PSMP-DTT 22 PSMP-UTT 19, 21 Q QoS 53 QoS 61 QPSK 36 R Reassociation 9 Retry 69 S SDMA 3 SIC 93 SIFS 45 SIMO 84 SISO 78, 84 SNR 81 STA 94 STA Info 22 STBC 17, 115 STBC 17 Subtype 69 SU-MIMO 25 SU/MU-MIMO 55 T TDD 96 TDMA 3, 26 TGaa802.11aa 24 TGac802.11ac 14 TGac/ad802.11ac/ad 14 TGe802.11e 14 TGn802.11n 14 TPC 9 transmit power control 9 TXOP 55 TXOP limit 55 Type 69 U Upper 16 V VHT 73 VHTvery high throughput-sig-a 66 VHT-LTFs 66 VHT-SIG-B 66 VHT-STF 66 W WDS 12 WiMAX 32 wireless distribution system 12 Wi-Fi 13 Z ZF 81 2 47 16 QAM 36 64 QAM 36 802.11e 61 802.11WG 13
1994 1996 2003 2006 2009 1999 2008 2010 2016 802.11 LAN MIMO Massive MIMO Transmission Technologies towards MIMO to Massive MIMO and Cross-layer Evaluation Methods Ultra-evolutionary 802.11 High-speed Wireless LAN Textbook c Kentaro Nishimori, Takefumi Hiraguri 2017 2017 11 2 1 112 0011 4 46 10 CORONA PUBLISHING CO., LTD. Tokyo Japan 00140 8 14844033941 3131 http://www.coronasha.co.jp ISBN 978 4 339 00903 3 C3055 Printed in Japan 03-3513-6969FAX 03-3513-6979e-mail: info@jcopy.or.jp