| （a） | MMAC802.11-WG |
| | i） | Liaison with IEEE802.11 (a committee that promotes wireless LAN standardization)for updating ARIB STD-T71(TGn etc.) |
| | ii） | Maintaining the standard of ARIB STD-T71 and drafting its revisions |
| | iii） | iii) Study on the high throughput WLANs (over 1Gbps) that are under development in IEEE 802.11 TGac and TGad |
| （b） | UWB-WG |
| | i） | Investigation of the discussion of interference mitigation function for UWB (Ultra Wide Band) system in Europe and Japan |
| | ii） | Experimental test of the propagation of UWB system considering real environments |
| | iii） | Exchange of information regarding the interference mitigation function among Asian countries |
| | iv） | Maintaining the standard of ARIB STD-T91 and drafting its revisions |
| | v） | Administration of Residential Backbone Network Sub-Working Group for study on residential Audio Visual wireless network |
| （c） | mmWPAN-WG |
| | i） | Study on standardization of millimeter-wave wireless PAN (Personal Area Network) |
| | ii） | Making a draft standard of millimeter- wave wireless PAN in Japan |
| （d） | Wide Area Ubiquitous NW-WG |
| | i） | Study on the Wide Area Ubiquitous Network system using many radio data terminals distributed over a wide area which perform data communications and information processing |
| | ii） | Study on techniques for the Wide Area Ubiquitous Network |
| | iii） | Study for establishment of ITU-R recommendation for the Wide Area Ubiquitous Network |
