doc.: IEEE 802.15-<doc#> <month year> doc.: IEEE 802.15-<doc#> October, 2005 Project: IEEE 802.15 Study Group for Wireless Personal Area Networks (WPANs) Submission Title: [RMS Delay Spread of CM8] Date Submitted: [October 2005] Source: [Shahriar Emami and Celestino A. Corral]: Company1 [Freescale Semiconductor] Address [Freescale Semiconductor, Inc. 6100 Broken Sound Pkwy., N.W. Suite 1 Boca Raton, FL  33487-2790] Voice: [(561) 544-4064 ] Re: [802.15.4a] Abstract: [Captures RMS delay spread behavior of CM8.] Purpose: [To assist designers in determination of modulation parameters] Notice: This document has been prepared to assist the IEEE P802.15. 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 P802.15. Shahriar Emami, Freescale Semiconductor <author>, <company>

CDF of RMS Delay Spread At 10% level RMS delay spread is roughly 85 ns October, 2005 CDF of RMS Delay Spread At 10% level RMS delay spread is roughly 85 ns At 90% level RMS delay spread is roughly 98 ns At 95% level RMS delay spread is roughly 102 ns Shahriar Emami, Freescale Semiconductor

Time Duration that Captures 90% of CM8 Channel Energy* October, 2005 Time Duration that Captures 90% of CM8 Channel Energy* At 90% level time window that captures 90% of CIR energy is 260 ns long. * Proposed by Andy Molisch. Shahriar Emami, Freescale Semiconductor