RR-TAG Liaison Report IEEE 802.11-802.18 January 2005 RR-TAG Liaison Report IEEE 802.11-802.18 18 May 05 Cairns, Australia Denis Kuwahara The Boeing Company The Radio Regulatory Technical Advisory Group is the interface between 802 Wireless Working Groups (802.11) and national and international regulators of radio rules and regulations. It’s function is to respond to inquiries and requests for comments by those regulators, and to propose rules changes that WGs require for their functionality Denis Kuwahara, Boeing

January 2005 Radio Regulatory - TAG Liaison - IEEE 802 Wireless WGs - National and International Regulatory Agencies Supports WWGs Spectrum Requirements Tracks regulatory actions and provides advice to regulators to foster effective use of licensed and unlicensed spectrum Denis Kuwahara, Boeing

January 2005 Significant Events Two telecons on Industry Canada Consultation, emails IC Consultation: SMSE-002-05 Using UWB Technology SG1 formed to develop a standard on Regional Area Networking to utilize spectrum commonly known as the TV broadcast band. This was done to assist FCC in defining usage of this spectrum that they were considering opening to unlicensed service. About the time SG1 was formed, the Commission published a Notice of Proposed Rule Making (NPRM) on usage of this band and invited comments by 1 September 04. The RR-TAG requested the Commission extend the comment deadline, explaining the intent of SG1 and citing the cooperative efforts within the group by members of the incumbent spectrum users and members of 802 WGs in defining acceptable sharing scenarios. SG1 has been approved by the 802 WGs and in the agendas of the New Standards Committee (NesCom) and Review Committee (RevCom) for final approval for becoming WG22 at their meetings in late September. Denis Kuwahara, Boeing

Docket Work New Zealand UWB Consultation January 2005 Docket Work New Zealand UWB Consultation Dave Kershaw NZ Regulator Received IEEE UWB comments FCC 05-56 R&O 3650MHz ContentionBasedProtcol Reviewed 802.11 and .16 CBP work Joint Session with 802.11 CBP SG 11-05-0328-01-0000-coord-conten-int-resoluton.doc Update RR-TAG P&P No Motions on Consultations In the process of developing comments in response of the NPRM, several impasse points arose within the group. In order to proceed, three classes of service were define and agreed to by the group. It was further agreed that the group would work on commenting to the Commission on Fixed Point to Multipoint service first where consensus was strongest. If time permits and consensus can be attained, the group would provide comments on the other classes, or at least provide information as to the areas of contention in our comments to indicate the challenge in spectrum sharing in those classes of service. Denis Kuwahara, Boeing

Contention Based Protocol January 2005 Contention Based Protocol A protocol … to share … spectrum by defining the events that … occur when two … transmitters attempt to … access the same channel and ... rules by which a transmitter provides reasonable opportunities for other transmitters to operate. (FCC 05-56, amending 90.7) Denis Kuwahara, Boeing

January 2005 Wireless CBP History Return with me to those thrilling days of yesteryear . . . On a windy bluff overlooking the Atlantic, a figure with headphones listened Searching for 3 bursts of coherent noise 1901 the first long range UWB transmission Mutual Interference by sheer numbers Wireless quiet listening periods Federal Radio Commission Denis Kuwahara, Boeing

Federal Radio Commission January 2005 Federal Radio Commission Later Federal Communications Commission Dealing with Interference – Contention Tube transmitters reduced Bandwidth Frequency, Geographic, Time Allocation Public Access to Spectrum – CB – Chaos. . . Industrial – Scientific - Medical – food fight Contention Based Protocol Denis Kuwahara, Boeing

Contention Based Protocol January 2005 Contention Based Protocol Sharing Etiquette Interference tolerant data transmission Provide reasonable opportunity Efficient Spectrum usage by multiple users Listen before Talk Carrier Sense Multi Access/Collision Avoid Industry & Standards bodies to determine Denis Kuwahara, Boeing

Future Plans Review Consultations from Regulators January 2005 Future Plans Review Consultations from Regulators Vote on P&P and forward to EC Next meeting – San Francisco 18-22 July 2005 Denis Kuwahara, Boeing

Questions? denis.kuwahara@boeing.com January 2005 Questions? denis.kuwahara@boeing.com Denis Kuwahara, Boeing