Transcription of 無線網路傳輸技術介紹與比較 - shs.edu.tw
1 1 11 11 11 2 Wi Fi Wi MAX Wi Fi Wi MAX 1 IrDA Point-to-Point AD-Hoc 2 1 3 WAN Internet 2 10 0dBm 100 20dBm 1600 ACL(Asynchronous Connection-Less)
2 SCOS ynchronousConnection-Oriented 64kbps Bluetooth Master Bluetooth Slave 7 Piconet Scatternet Standby Inquiry Page Connected 3 One Chipset IEEE Hone RF 20~30mW -70dBm ISM 4 79 1600 7 712kbps 200~400kbps LAN 10/100 Mbps (IrDA) IEEE 1 IEEE IEEE 1997 1W 6db (Frequency Hopping Spread Spectrum, FHSS) (Direct Sequence Spread Spectrum, DSSS)
3 1~2 Mbps IEEE IEEE IEEE IEEE IEEE 1999 9 IEEE IEEE HR(High Rate) IEEE 1 Mbps(BPSK) 2 Mbps(QPSK) 11 Mbps(CCK) IEEE 3 Com Aironet Intersil Lucent Nokia Symbol 1999 8 WECA(Wireless Ethernet Compatibility Alliance) IEEE WiFi(Wireless Fidelity) WECA 80 5 Wi Fi 1 Wi Fi WiFi Wireless Fidelity IEEE IEEE WiFi AP Access Point GPRS CDMA WiFi GPRS CDMA 20K/s 11M WiFi 1300K/s 54M 108M WiFi Wi Fi WiFi 11M 54M 108M 305 76 122 WiFi Wi MAX 1 Wi MAX WiMAX IEEE WiMAX 10 MHz 30 Mbps ADSL 8M WiMAX WiMAX
4 2 Wi MAX (Non-Line-of-Sight NLOS) Line-of-Sight LOS 6 QoS Wi Fi Wi MAX Wi-Fi LAN WiMAX WAN 3G WiFi WiMAX WiFi WiMAX 5 GHz NOLS 2~11G 11g :54 GHz 75 GHz 30~90 RFID 1 RFID RFID Radio Frequency Identification (Reader) RFID (Tag) RFID RFID RFID 7 98 3 22 iClubs 98 3 22 - 98 3 22 Wi Fi 98 3 22 WiMAX 98 3
5 22 WiMAX 98 3 22 RFID 98 3 27
