-
60
pages
-
English
-
Documents
Description
TMWirelessHUMAN Tutorial802.16 Study Group onWireless High-Speed UnlicensedMetropolitan Area NetworksIEEE 802 Plenary Session10 July 20006:30 - 8:00 pm00/07/10 1Outline• Overview: Durga Satapathy– Details on Unlicensed Spectrum– Introduction to WirelessHUMAN• Suitability of 802.16 MAC: Carl Eklund•of 802.11 MAC: Tim Godfrey• Suitability of 802.11a PHY: Naftali Chayat• Discussion00/07/10 2What is Unlicensed Spectrum?• Any device may transmit in unlicensedspectrum without a license from the FCC– free radio spectrum– huge spectrum allocation– available nationwide• Unlicensed is subject to various rules andconstraints, such as power limits.00/07/10 3Benefits• Unlicensed can be used for both fixed andmobile services– Wireless Local Area Network– Wireless Private Branch Exchange• Spectrum Sharing• Allows experimentation and innovation00/07/10 4Spectrum ViewUNII ISM PCS ISM MMDS25631 4GHz ISM: Industry, Science & MedicinePCS: Personal Communication ServicesMMDS: Multi-channel Multipoint Distribution SystemUNII: Unlicensed National Information Infrastructure 00/07/10 5Unlicensed Bands Spectrum Typical ApplicationsISM: Industry Science and Medicine 234.5 MHz Cordless Phones,902-928 MHz, 2.4-2.4835 GHz & Wireless LANs (WLAN)5.725-5.85 GHz) and Wireless PBXs (WPBX)UPCS: Unlicensed PCSAsynchronous:1910-1920, 2390-2400 MHz 20 MHz WLANIsochronous: 1920-1930 MHz 10 MHz WPBXUNII: Unlicensed National Information InfrastructureUNII ...
-
Publié par
-
Langue
English