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Wireless Coexistence TAG Overview
July 2008 Wireless Coexistence TAG Overview Date: Authors: Notice: This document has been prepared to assist IEEE It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE Patent Policy and Procedures: The contributor is familiar with the IEEE 802 Patent Policy and Procedures < ieee802.org/guides/bylaws/sb-bylaws.pdf>, including the statement "IEEE standards may include the known use of patent(s), including patent applications, provided the IEEE receives assurance from the patent holder or applicant with respect to patents essential for compliance with both mandatory and optional portions of the standard." Early disclosure to the TAG of patent information that might be relevant to the standard is essential to reduce the possibility for delays in the development process and increase the likelihood that the draft publication will be approved for publication. Please notify the Chair as early as possible, in written or electronic form, if patented technology (or technology under patent application) might be incorporated into a draft standard being developed within the IEEE TAG. If you have questions, contact the IEEE Patent Committee Administrator at Steve Shellhammer, Qualcomm Steve Shellhammer, Qualcomm
TAG Charter TAG established in 2002
July 2008 TAG Charter TAG established in 2002 The TAG is a forum for addressing coexistence issues between unlicensed 802 wireless networks The TAG provides technical guidance and assistance to the working groups The TAG reviews Coexistence Assurance (CA) documents developed by the working groups Steve Shellhammer, Qualcomm
Coexistence Procedure in 802 P&P
July 2008 Coexistence Procedure in 802 P&P Coexistence Procedure established in November 2004 When a new PAR, for a unlicensed wireless project, is approved by the EC the WG must state in the Five Criteria whether a Coexistence Assurance (CA) document will be created If stated in the Five Criteria that a CA document will be created then during the WG Letter Ballot the CA document shall be circulated with the Draft All WG members have the CA document available to them when voting on the Draft, which they can consider in their vote The TAG also votes in the Letter Ballot Steve Shellhammer, Qualcomm
Coexistence Assurance Documents
July 2008 Coexistence Assurance Documents Standard/Draft Comments b Done a 802.11n Initial version completed. Not updated after it was determined that it was not required 802.11y 802.16h Ongoing. Not required. Being done voluntarily c Planned d Steve Shellhammer, Qualcomm
Recent Activities July 2008 802.16h CA Doc
802.16h plans to operate in the 3650 MHz band, along with y. The TAG has been facilitating development of Simulation Parameters and Coexistence Metrics documents. Plan to review simulation results this week. Coexistence in 60GHz with Satellites The TAG held a series of conference calls with members of 802 and members of the Passive Earth Satellite Sensing industry, to determine if 802 wireless devices posed a threat to satellite sensing. The conclusion was there is not a problem. 40 MHz n Recently concerns about coexistence of the 40 MHz version of n and both and has been raised. Held conference calls and meeting this week in person. Developing simulation parameters and plan to review simulation results Co-located Coexistence The WG sent a letter to /15/19 concerning co-located (in the same device) coexistence issues. The TAG established an list. Meeting this week to discuss further. Draft TAG is developing a Recommended Practice on methods of evaluation coexistence. Draft being prepared for letter ballot later this year. Steve Shellhammer, Qualcomm
July 2008 Plans for this Week Steve Shellhammer, Qualcomm
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