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MMAC Liaison Report November 2004 PowerPoint Presentation
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MMAC Liaison Report November 2004
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  1. MMAC Liaison ReportNovember2004 Yasuhiko Inoue NTT Access Network Service Systems Laboratories yinoue@ansl.ntt.co.jp Yasuhiko Inoue, NTT

  2. MMAC Overview • MMAC (Multimedia Mobile Access Communication Systems) Forum • Organization: • Steering Committee • Control the activities of working groups and SIGs • Working Groups: • HiSWAN WG • MMAC-802.11 WG • UWB WG, etc • Special Interest Group: • Next Generation Wireless LANs SIG • IEEE 1394 over UWB SIG Yasuhiko Inoue, NTT

  3. MMAC-802.11 WG(ex-T71 Ad hoc WG) • Mission: • Maintenance of ARIB STD-T71 • ARIB STD-T71: IEEE 802.11a compatible WLAN system • Standardization of 5GHz band wireless access system • Operations in the 4.9 – 5.0 and 5.030 – 5.091 GHz bands • The same scope with TGj • Creation: June 2004 • Chair: Satoru Aikawa (NTT) • Member companies: Atheros, Canon, Denso, Fujitsu, Hitach Cable, Intel, Japan Telecom, JRC, Mitsubishi, Murata, NEC, NTT, TOYOCOM, Panasonic, QUALCOM, Samsung, TEPCO Optical Network, TDK, Toshiba, and more Yasuhiko Inoue, NTT

  4. Japanese Frequency Regulations Ministry of Public Management Home Affairs, Post and Telecommunications Association of Radio Industries And Businesses Multimedia Mobile Communication Systems Forum Japanese Standards of Radio Communication Systems Yasuhiko Inoue, NTT

  5. Updates • October, 2004: • Review the activities of IEEE 802.11 WG • Next Action Items • Revision of ARIB STD T-71 (IEEE 802.11a and 802.11j) • IEEE 802.11j has been ratified. • New spectrum in the 5 GHz band will be allocated next year • 5.250 – 5.350 GHz, 5.470 – 5.725 GHz • 10MHz shift of center frequency for 5.150 – 5.250 GHz band. • For more information, • http://www.soumu.go.jp/joho_tsusin/eng/Releases/Telecommunications/news041014_1.html Yasuhiko Inoue, NTT