1. Project: IEEE 802.15 Working Group for Wireless Personal Area Networks (WPANs)
Submission Title: [802.11n Liaison Report May 2009]
Date Submitted: [13May09]
Source: [John Barr] Company [JRBarr Consulting, LLC]
Address [21939 Old Farm Road, Deer Park, IL 60010]
Voice:[ ], FAX: [],
Re: []
Abstract: [Update on n]
Purpose: [Update on n Task Group Actions]
Notice: This document has been prepared to assist the 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.
May 2009
doc.: IEEE /0437r0
Dr. John R. Barr, JRBarr Consulting, LLC
Dr. John R. Barr, JRbarr Consulting, LLC

2. 802.11n Documents of Interest
Draft P802.11n_D10.0.pdf
Approved for 15-day recirculation
See on page 232
Contains “shall” to prevent use of 40MHz channels if no non radio device detection is not included.
Contains “shall” to allow use of 40MHz channels only if NO non devices are detected or non devices are detected and a suitable coexistence mechanism for those devices is included.
Dr. John R. Barr, JRBarr Consulting, LLC