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Doc.: IEEE 802.11-03/609r0 Submission July 2003 Y. Inoue, NTT Slide 1 MMAC T71 Ad Hoc WG Liaison Report July 2003 Yasuhiko Inoue NTT.

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Presentation on theme: "Doc.: IEEE 802.11-03/609r0 Submission July 2003 Y. Inoue, NTT Slide 1 MMAC T71 Ad Hoc WG Liaison Report July 2003 Yasuhiko Inoue NTT."— Presentation transcript:

1 doc.: IEEE 802.11-03/609r0 Submission July 2003 Y. Inoue, NTT Slide 1 MMAC T71 Ad Hoc WG Liaison Report July 2003 Yasuhiko Inoue NTT

2 doc.: IEEE 802.11-03/609r0 Submission July 2003 Y. Inoue, NTT Slide 2 MMAC Overview MMAC (Multimedia Mobile Access Communication Systems Promotion Council) –An organization in the ARIB (Association of Radio Industries and Businesses). –Activities: Investigation and study on system specifications Demonstrative experiment Information exchange and popularization activities, etc –Working Groups High Speed Wireless Access 5GHz Mobile Access (Wireless Access and Wireless LAN) Wireless Home-Link (Wireless 1394)

3 doc.: IEEE 802.11-03/609r0 Submission July 2003 Y. Inoue, NTT Slide 3 T71 Ad hoc Working Group –Technical requirements and specifications for CSMA based WLAN systems in Japan which corresponds to 802.11a. –MPHPT allocated 4.9-5.0GHz and 5.030-5.091GHz for wireless access systems in September 2002. Technical Requirements: Radio Equipment Ordinance, Article 49-21 –T71 Ad hoc WG has been created to revise the current ARIB STD-T71 to incorporate the technical requirements for 5GHz Band Wireless Access systems. Member companies: Atheros, Canon, Denso, Fujitsu, Hitach Cable, Intel, Japan Telecom, JRC, Mitsubishi, Murata, NEC, NTT, TOYOCOM, Panasonic, Samsung, SpeedNet, TDK, Toshiba, TTNet, etc

4 doc.: IEEE 802.11-03/609r0 Submission July 2003 Y. Inoue, NTT Slide 4 Current Status T71 Ad hoc WG has finished its first activity –ARIB STD-T71 ver.2 is available now! –Harmonized standard with 802.11j draft D1.0 –http://www.arib.or.jp/http://www.arib.or.jp/ –Both Japanese and English version Currently, the activities of T71 Ad hoc WG is suspended.

5 doc.: IEEE 802.11-03/609r0 Submission July 2003 Y. Inoue, NTT Slide 5 Future Works Harmonization with 802.11j New frequency allocation for wireless access systems –5.47-5.725GHz for wireless access systems –5.25-5.35GHz for FWA services –Technical requirements have not specified yet. T71 Ad hoc WG will have new activities for standardization of the above systems.

6 doc.: IEEE 802.11-03/609r0 Submission July 2003 Y. Inoue, NTT Slide 6 Thank you very much!


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