LAN 4 9920449
2
0 LAN Bluetooth LAN 1 LAN LAN LAN LAN 2 LAN Bluetooth LAN Bluetooth 3 Bluetooth 4 Bluetooth 5 Bluetooth Bluetooth 6 LAN Bluetooth LAN LocalAreaNetwork 1 LAN LAN LAN LAN Ethernet Ethernet 3
LAN IEEE Institute of Electrical ElectronicsEngineers LAN LAN 10100Mbps 10BASE-T 100BASE-TX 1Gbps LAN LAN LAN WANWideAreaNetwork LAN LAN LAN LAN LAN LAN LAN IEEE802.11, LAN LAN LAN 4
LAN IEEE802.11b IEEE802.11a LAN 2 ISM 2.4GHz IEEE802.11-1997 MAC LAN 1Mbps2Mbps IrDA(Infrared Data Association) 10M HUB 10 16Mbps LAN LAN LAN LAN 1 LAN 60 2 LAN LAN LAN LAN 3 LAN LAN LAN 5
1 LAN LAN 2 LAN 100 OS LAN LAN 3 LAN ISM 14 2 LAN 4 LAN LAN LAN 10Gbps LAN LAN 100Mbps300Mbps LAN LAN 1 6
2 LAN LAN LAN ISM Industrial, Scientific and Medical Band LSI 1 IEEE802.11 LAN 900MHz 2.4GHz 5.7GHz bps Mbps LAN 1992 12 1999 12 LAN 26MHz? 83.5MH 2.4 GHz PHS ISM 1 LAN LAN (SS: Spread Spectrum) 7
(CDMA: Code Division Multiple Access) (PN: Pseudo noise) (DSSS: Direct Sequence Spread Spectrum) (FHSS: Frequency Hopping Spread Spectrum)2 DSSS FHSS 2 DSSS BPSK(Binary Phase Shift Keying) PN Bluetooth FHSS FHSS RF FHSS FHSS 8
DSSS FHSS FHSS DSSS FHSS DSSS FHSS FHSS FHSS DSSS FHSS DSSS FHSS DSSS IEEE802.11 MAC LAN CSMA/CACarrier Sense Multiple Access with Collision Avoidance Ethernet LAN CSMA/CDCarrier Sense Multiple Access with Collision Detection LAN LAN LAN CSMA/CD Carrier Sense Multiple Access Collision Collision Detection LAN CSMA/CA IEEE802.3 CSMA/CD Carrier Sense Multiple Access Collision Avoidance 9
CSMA/CA CSMA/CD LAN LAN 2 LAN LAN LAN LAN LAN LAN LAN LAN ESS-ID ESS-ID MAC MAC WEP ESS-IDEnhanced Service Set ID IEEE802.11 LAN ESS-ID LAN ESS-ID MAC Media Access Control Address NIC Network Interface Card AP MAC 10
MAC 48bit6bytes 3bytes IEEE 3bytes MAC 1 MAC AP AP LAN MAC MAC AP MAC WEPWire Equivalent Privacy IEEE802.11b IEEE802.11a LAN RSA Security RC4 WEP WEP WEP ASCII ASCII 5bytes 13bytes ASCII 16 24bit IVInitialization Vector 64bit 128bit 16 IV WEP WEP RC4 XOR XOR WEP ASCII 16 IV PRNGPseudo-Random Number Generator LAN 11
XOR IV CHAPChallenge Handshake Authentication Protocol CHAP 1 PPP WEP IAIntegrity Algorithm CRC-32 ICVIntegrity Check Value IV ASCII 16 IVInitialization Vector ascii IV XOR ICV ICVIntegrity Check Value IV IV XOR ICV 12
WEP 40bit IV XOR ICV WEP ASCII 13
LAN Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth IBM Bluetooth SIG(Special Interest Group) Bluetooth (1) Bluetooth Bluetooth 10 LAN WAN PANPersonal Area Network (2) 5 Bluetooth (3) Bluetooth Bluetooth 14
(4) 4-2 Bluetooth SIG Bluetooth 5 ISM Bluetooth ISM Bluetooth Bluetooth SIG 1998 IBM 5 Bluetooth SIG Bluetooth SIG Bluetooth SIG 5 Bluetooth SIG Bluetooth SIG 3Com 9 Bluetooth SIG Bluetooth SIG Bluetooth Bluetooth SIG Bluetooth SIG Bluetooth Bluetooth SIG Bluetooth 15
Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth BluetoothSIG Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth 1999 16
1995 96 (3 ) Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth 3 Bluetooth PDA Bluetooth Bluetooth Bluetooth 17
LSI Bluetooth LSI LSI Power Class 100W 100 Power Class 2.5W 20 Power Class 1V 10 18
Bluetooth Bluetooth LAN Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth 7 Bluetooth ID 1 1 2 19
3 2 1 3 Scatter net 2 PIN Personal Identification Number Code Bluetooth Bluetooth 2-2 Bluetooth BD_ADDR BD_ADDR Bluetooth 20
. Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Authentication Encryption 21
Bluetooth Link Key Bluetooth Initialization Key Unit Combination Key Master Key Bluetooth Bluetooth Bluetooth Bluetooth 1 22
Bluetooth Bluetooth 2-2 CHAT G 23
Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth 3 Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth 24
GPS GPS, Bluetooth PDA PDA PDA Bluetooth Bluetooth PDA Bluetooth Bluetooth Bluetooth 25
Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth 1 1 1 Bluetooth 26
LAN LAN LAN LAN LAN Bluetooth LAN LAN LAN LAN LAN LAN LAN LAN LAN 1 2 3 1 2 3 4 LAN 1 LAN ISM Bluetooth LAN Bluetooth Bluetooth Bluetooth SIG Bluetooth LAN Bluetooth 1PAN (2) (3) (4) 5 Bluetooth Bluetooth Bluetooth 4 Bluetooth LAN 27
Bluetooth Bluetooth LAN ISM Bluetooth Bluetooth LAN CSMA/CA Bluetooth 1 Bluetooth Bluetooth 4 5 Bluetooth Bluetooth Bluetooth 3 Bluetooth Bluetooth LAN Bluetooth LAN Bluetooth LAN LAN LANBluetooth Bluetooth 10 Bluetooth LAN Bluetooth LAN 1 LAN LAN LAN LAN LAN LAN LAN LAN 28
Bluetooth Bluetooth LAN LAN LAN LANBluetooth Bluetooth LAN LAN Bluetooth IT 1 Bluetooth LAN Bluetooth LAN 2005 Bluetooth Bluetooth LAN LAN Bluetooth LAN 29
LAN 2001 LAN Internet solutions BP 2002 11 LAN 2001 Bluetooth 2000 Bluetooth 2002 E-Trainer.jp 2002 30