デジタル通信を支える無線技術
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- かずひろ きせんばる
- 5 years ago
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1 Aug. 02, 2008 Copyright 2008 Niigata Internet SOCiety & I.Suzuki All Rights Reserved.
2 2 1. LAN LAN
3 3
4 4 1. LAN LAN
5 5 WMAN 50Km WiMax WLAN 100m WPAN 10m ZigBee Bluetooth UWB 10Kbps 100K 1M 10M 100M 1G
6 6 LAN IEEE802.11(1997) b(1999,2.4GHz/11Mbps) a(1999,5GHz/54Mbps) g(2003,2.4GHz/54Mbps) :DSSS IrDA
7 IEEE LLC MAC IEEE802.1 HLLI IEEE802.2 LLC IEEE CSMA/CA IEEE802.3 CSMA/CD PHY 2.4GHz DSSS 2.4GHz FHSS.11bPHY 2.4GHz DSSS 11aPHY 5GHz OFDM.11gPHY 2.4GHz OFDM PBCC DSSS 10BASEx 100BASEx 1000BASEx OSI LAN
8 M/2Mbps 1M/2M 5.5M/1M bps 6 54M bps 6 54M bps
9 2.4GHz ISM 9 ARIB STD-33 # ARIB STD-T66 # GHz GHz WRC LAN 2012 STD-T GHz T71 T &5.3GHz T GHz 4.9GHz ARIB Association of Radio Industries and Businesses of Japan
10 802.11a/b/g b/g 14ch 3ch ch1 ch6 ch11 ch2 ch7 ch12 ch3 ch8 ch13 ch4 ch9 ch11 11b ch5 ch a 180ch 8+11ch ch36 ch40 ch44 ch48 ch52 ch56 ch60 ch64 ch37 ch41 ch45 ch49 ch53 ch57 ch61 ch65 ch38 ch42 ch46 ch50 ch54 ch58 ch62 ch66 ch39 ch43 ch47 ch51 ch55 ch59 ch63 ch
11 5Ghz W53/56 11 J 52 W 52 J 52 W 52 J 52 W 52 J 52 W 52 W 53 W 53 W 53 W 53 W 56 W 56 W 56 W 56 W 56 W 56 W 56 W 56 W GHz J W53 W56 W DFS dynamic freq. selection TPC transmitter power ctrl
12 12 2.4/5GHz LAN 19GHz 25Mbps 25GHz 108Mbps 60GHz 156Mbps
13 13 LAN CSMA/CA 35-50% ACK b(11Mbps) 5Mbps
14 CSMA/CA CSMA/CD Carrier Sense Multiple Access with Collision Detection CSMA/CA Carrier Sense Multiple Access with Collision Avoidance Carrier Sense Multiple Access Collision Detection Collision Avoidance
15 15 hidden node A B C A B C
16 16 RTS/CTS A B RTS CTS C CTS A C 1.A C RTS 2.C A CTS 3.B C CTS C
17 17 1. LAN LAN
18 18
19 19 AM FM
20 20 ex. ex.
21 21 Vc :, Vcm :, fc : Vs :, Vsm :, fs : v am :, (f c f s ) : (LSB), (f c + f s ) : (USB)
22 22 ASK(Amplitude Shift Keying) FSK(Frequency Shift Keying) PSK(Phase Shift Keying)
23 23 BPSK QPSK 8PSK 16QAM
24 24 FDMA TDMA CDMA
25 Spread Spectrum CDMA 1. DSSS (Direct Sequence Spread Spectrum ) CDMA 2. FHSS (Frequency Hopping Spread Spectrum ) Bluetooth 25
26 SS 26 DSSS FHSS
27 DSSS 27
28
29 FHSS 29 ch ch2 1 ch
30 OFDM Orthogonal Frequency Division Multiplexing
31 31
32 32 OFDM S/P IFFT GI GI FFT P/S
33 OFDM 33 FFT/IFFT DSP LSI LAN ADSL PLC WiMAX IEEE LTE 3.9G
34 34 1. LAN LAN
35 LAN Mbps MAC 1. MIMO 2. 40Mhz /150Mbps 1..11n 2.4G 2ch ch3, a/n 5G 5ch ch102,110,118,126, MIMO 4 &40MHz=600Mbps
36 MIMO (Multilpe-Input Multiple-output) 36 n x n n IEEE n 2009
37 MIMO n (Multilpe-Imput Multiple-output) 37
38 38 MIMO OFDM
39 39 1. LAN LAN
40 40 LAN HiSWANa HiperLAN Wireless 1394 WiMAX Mobile WiMAX UWB (Ultra Wide Band) Wireless USB ZigBee
41 41 WMAN 50Km WiMax WLAN 100m WPAN 10m ZigBee Bluetooth UWB 10Kbps 100K 1M 10M 100M 1G
42 WiMAX (Worldwide Interoperability for Microwave Access) 42 MAN 135Mbps/50Km IEEE Km IP
43 43 Mobile WiMAX LAN WiMAX IEEE e 2.5GHz/3.5GHz/5.8GHz Scalable OFDMA 2-3Km PHS=Mobile WiMAX? LTE 3.9G
44 44 WMAN 50Km WiMax WLAN 100m WPAN 10m ZigBee Bluetooth UWB 10Kbps 100K 1M 10M 100M 1G
45 45 UWB (Ultra Wideband) 3.1G-10.6GHz 480Mbps 10m
46 UWB % 500MHz UWB UWB UWB
47 47 UWB GHz 3.4GHz 4GWiMAX 1. MultiBand OFDM MS,Intel,SONY WiMedia Alliance 2. DS-UWB Motrola UWB Forum IEEE a ISO/IEC WiMedia Wireless USB WiMedia USB Bluetooth WiMedia
48 48 WiMedia Wireless USB Wireless IEEE1394 Bluetooth TCP IP Adaptation Layer Adaptation Layer Adaptation Layer Adaptation Layer (WiNET) WiMedia UWB Radio Platform WiMedia MAC WiMedia PHY MB OFDM UWB
49 49 WMAN 50Km WiMax WLAN 100m WPAN 10m ZigBee Bluetooth UWB 10Kbps 100K 1M 10M 100M 1G
50 ZigBee Kbps/30m / FFD RFD 16bit ISM 2.4GHz IEEE Bluetooth IEEE
51 51 1. RF No.1,2, CQ 2. LAN 3. LAN 4. BB WORDS
2 1. LAN LAN Aug. 02, 2008 Copyright 2008 Niigata Internet SOCiety & I.Suzuki All Rights Reserved LAN LAN WLAN
. LAN.. LAN 4. 80. Aug. 0, 008 Copyright 008 Niigata Internet SOCiety & I.Suzuki All Rights Reserved. 4. LAN.. LAN 4. 80. WLAN 00m WMAN 50Km WPAN 0m WiMax 80. 0Kbps 00K M 0M 00M G 5 LAN IEEE80.(997) 80.b(999,.4GHz/Mbps)
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HUB 1090248 21 3 19 1 1 2 3 2.1...................................... 3 2.1.1................................ 4 2.1.2 LAN................................. 6 2.2................................... 8 3 12
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