Project: IEEE 802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [SG4b Closing Report Mar04] Date Submitted: [18Mar2004] Source: [Ed Callaway] Company [Motorola] Address [8000 W. Sunrise Blvd., MS 2141, Plantation, FL 33322] Voice:[+1 954-723-8341], E-Mail: [ed.callaway@motorola.com] Re: [] Abstract: [SG4b Chair Report to 802.15 WG] Purpose: [SG4b chair report to WG to update them from the last session on all work items.] Notice: This document has been prepared to assist the IEEE 802.15. 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 acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by 802.15. January 2004 doc.: IEEE 802.15-04/0034r0 Ed Callaway, Motorola John Barr, Motorola

SG4b: Enhancements & Clarifications to 802.15.4-2003 Reviewed PHY proposals Proposals to support regulatory changes in Europe, Japan, and China Reviewed complexity reduction proposals Optional GTS Long association time for non-beacon-enabled networks Dissociation issues Reviewed new feature proposals Time distribution Multicast MAC Freshness Ed Callaway, Motorola

Submissions 03/306 – PHY proposal – Ed Callaway 04/0121 – Reuse of 2.4 GHz PHY for lower bands – Hans van Leeuwen 04/0093 – Clarifications recommendations and recommended practices for 802.15.4-2003 – Phil Beecham 04/0096 – An overview of 04/0093 – Phil Beecham 04/0101 – Enhancements to 802.15.4 – Yong Liu 04/0090 – Submission for 802-15-4b improvements – Marco Naeve 04/0159 – Broadcast issues in 802.15.4 – Rob Poor 04/0168 – Synchronized beacon propagation in 802.15.4 – Phil Beecham Ed Callaway, Motorola