July 2006 doc IEEE 802 15 06 0317

July, 2006 doc. : IEEE 802. 15 -06 -0317 -00 -003 c Project: IEEE P 802. 15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Residential 60 GHz Channel Measurements and Model] Date Submitted: [15 July 2006] Source: [T. Pollock, Z. Krusevac, S. Krusevac, A. Gupta] Company [National ICT Australia Limited] Address [Level 2, 216 Northbourne Ave, Canberra, ACT 2602, Australia] Voice: [+61 2 6125 3797], FAX: [+61 2 6230 6121], E-Mail: [tony. pollock@nicta. com. au] Source: [Hirokazu Sawada, Chang-Soon Choi, Yozo Shoji, Hiroyo Ogawa] Company [National Institute of Information and Communications Technology] Address [3 -4, Hikarino-Oka, Yokosuka, Kanagawa, 239 -0847, Japan] Voice: [+81. 46. 847. 5096], FAX: [+81. 46. 847. 5079], E-Mail: [sawahiro@nict. go. jp, shoji@nict. go. jp, hogawa@nict. go. jp] Re: [Response to the TG 3 c channel model subgroup call for channel models] Abstract: [Final analysis results of the NICT data for 60 GHz Residential Channel Model] Purpose: [Contribution to 802. 15 TG 3 c at July 2006 meeting in San Diego, USA] Notice: This document has been prepared to assist the IEEE P 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 P 802. 15. Submission 1 Tony Pollock, NICTA

July, 2006 doc. : IEEE 802. 15 -06 -0317 -00 -003 c Purpose • Channel model sub-committee requires a common channel model for evaluation of PHY layer proposals • Bulk of proposed applications require directional antennas • Committee needs a model with Ao. A Require a measurement campaign to: • Determine an appropriate channel model with Ao. A • Determine the set of parameters that accurately describes the 60 GHz channel for indoor situations Submission 2 Tony Pollock, NICTA

July, 2006 doc. : IEEE 802. 15 -06 -0317 -00 -003 c NICT Ao. A Channel Measurement ref: 15 -06 -0012 -01 • • • LOS Residential environment Polarization: Vertical Antenna height: 1. 1 m Antenna separation: 3 m Tx antenna: always fixed (omni) Rx antenna: rotated from 0 to 360 degree in 5 degree steps (15 degree beam width) Submission 3 Tony Pollock, NICTA

July, 2006 doc. : IEEE 802. 15 -06 -0317 -00 -003 c Equipment Using Vector Network Analyzer HP 8510 C Parameter Submission Value unit Center Frequency 62. 5 GHz Bandwidth 3 GHz Time Resolution 0. 25 ns Distance Resolution 19. 1 cm No. Frequency points 401 Frequency step 7. 5 MHz Max excess delay 133. 3 ns 4 Tony Pollock, NICTA

July, 2006 doc. : IEEE 802. 15 -06 -0317 -00 -003 c Residential Environment (LOS) • • Living room (6. 85 m x 3. 57 m) without fixtures (LOS) Surface of a wall and ceiling are covered with wallpaper Window is plane glass Wooden door and floor Submission 5 Tony Pollock, NICTA

July, 2006 doc. : IEEE 802. 15 -06 -0317 -00 -003 c Recall: Proposed Channel Model ref: 15 -06 -0103 -01 S-V Model with Ao. A extension L = number of clusters; Kl = number of multipath components (number of rays) in the l-th cluster; = multipath gain coefficient of the k-th ray in the l-th cluster; Tl = arrival time of the first ray of the l-th cluster; k, l = delay of the k-th ray within the l-th cluster relative to the first path arrival time, Tl; = mean angle of arrival of l-th cluster; = angle of arrival of the k-th ray within the l-th cluster. Submission 6 Tony Pollock, NICTA

July, 2006 doc. : IEEE 802. 15 -06 -0317 -00 -003 c Recall: Model Parameters l l , Submission , … cluster arrival rate ray arrival rate cluster decay factor ray decay factor multipath gain distribution factor(s) Ao. A distribution standard deviation 7 Tony Pollock, NICTA

July, 2006 doc. : IEEE 802. 15 -06 -0317 -00 -003 c Summary of Signal Processing 1. Antenna pattern deconvolved from data 2. Clusters/rays identified (Lucy/CLEAN algorithm) 3. Linear Regression used to extract decay constants 4. Distribution fitting used to extract arrival rates 5. Goodness of fit and distribution fitting used to determine distributions (95% confidence) Submission 8 Tony Pollock, NICTA

July, 2006 doc. : IEEE 802. 15 -06 -0317 -00 -003 c Summary of Parameters Extracted Residential Environment Value unit Distrib ution Cluster arrival rate 0. 21 1/ns Poisso n ray arrival rate 0. 77 1/ns Poisso n Cluster decay factor 4. 19 ns Expon ential Ray decay factor 1. 07 ns Expon ential Cluster gain standard deviation 1. 54 ns Lognor mal Ray gain standard deviation 1. 26 ns Lognor mal 8. 32 degree s Laplaci 9 an Parameter Ao. A standard deviation Submission Tony Pollock, NICTA

July, 2006 doc. : IEEE 802. 15 -06 -0317 -00 -003 c Comments/Caveats • Channel model developed to allow fair and timely comparisons between PHY proposals to 802. 15. 3 c • Gives a general understanding of the 60 GHz channel and its potential for WPAN applications • Given time and resource constraints a generalised stochastic channel model was not possible (although desirable) • Further modelling work is required to generate complete understanding of 60 GHz channels Submission 10 Tony Pollock, NICTA

July, 2006 doc. : IEEE 802. 15 -06 -0317 -00 -003 c References Details to date of modeling, measurements, and data extraction: • 15 -06 -0221 -00 • 15 -06 -0113 -02 • 15 -06 -0103 -02 • 15 -06 -0012 -01 • 15 -05 -0412 -00 • 15 -05 -0368 -01 Submission 11 Tony Pollock, NICTA