doc.: IEEE 802.15-<doc#> <month year> doc.: IEEE 802.15-<doc#> May, 2006 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [NICT Indoor 60 GHz Channel Measurements and Analysis update] Date Submitted: [15 May 2006] Source: [T. Pollock, Z. Krusevac, S. Krusevac, A. Gupta, D. Miniutti, C. Liu, E. Skafidas] 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 TG3c channel model subgroup call for channel models] Abstract: [Analysis of the NICT data for proposed 60 GHz Channel Model ref 15-06-0103-00] Purpose: [Contribution to 802.15 TG3c at May 2006 meeting in Jacksonville, USA] 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. Tony Pollock, NICTA Tony Pollock, NICTA

doc.: IEEE 802.15-<doc#> <month year> doc.: IEEE 802.15-<doc#> May, 2006 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 AoA Require a measurement campaign to: Determine an appropriate channel model with AoA Determine the set of parameters that accurately describes the 60 GHz channel for indoor situations This submission is an update on work presented in 06/0113r02 (Denver, March 2006) Tony Pollock, NICTA Tony Pollock, NICTA

Recall: Proposed Channel Model ref: 15-06-0103-00 May, 2006 Recall: Proposed Channel Model ref: 15-06-0103-00 S-V Model with AoA 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. Tony Pollock, NICTA

Recall: Model Parameters May, 2006 Recall: Model Parameters l cluster arrival rate l ray arrival rate cluster decay factor ray decay factor , , … multipath gain distribution factor(s) AoA distribution standard deviation Tony Pollock, NICTA

NICT AoA Channel Measurements ref: 15-06-0012-01 May, 2006 NICT AoA Channel Measurements ref: 15-06-0012-01 LOS Residential and NLOS Office environments Polarization: Vertical Antenna height: 1.1m Antenna separation: 3m(home), 10m(office) Tx antenna: always fixed (omni, 60, 30 and 15 degree beam widths) Rx antenna: rotated from 0 to 360 degree in 5 degree steps (15 degree beam width) Tony Pollock, NICTA

Equipment 3.75 MHz 7.5 MHz Frequency step 128 Times of average May, 2006 Equipment 3.75 MHz 7.5 MHz Frequency step 128 Times of average 266.7 ns 133.3 ns Max. excess delay 801 401 No. frequency points 19.1cm Distance resolution 0.25 ns Time resolution 3 GHz Bandwidth 62.5 GHz Center frequency Office Residential Environment Using Vector Network Analyzer HP8510C Tony Pollock, NICTA

Residential Environment (LOS) May, 2006 Residential Environment (LOS) Living room without fixtures (LOS) Surface of a wall and ceiling are covered with wallpaper Window is plane glass Wooden door and floor Tony Pollock, NICTA

Office Environment (NLOS) May, 2006 Office Environment (NLOS) The office room is made of steel wall, steel ceiling and steel floor The floor and the ceiling are covered with carpet and plaster board, respectively Plate glass windows are attached on wall Tony Pollock, NICTA

Cluster Identification May, 2006 Cluster Identification Tony Pollock, NICTA

May, 2006 MPC Selection 2D CLEAN (LUCY) Tony Pollock, NICTA

Parameter Extraction I May, 2006 Parameter Extraction I Cluster decay time constant Ray decay time constant Method: Linear Regression Tony Pollock, NICTA

Residential – Cluster Decay Rate May, 2006 Residential – Cluster Decay Rate v360 Tony Pollock, NICTA

Residential – Ray Decay Rate May, 2006 Residential – Ray Decay Rate Tony Pollock, NICTA

Parameter Extraction II May, 2006 Parameter Extraction II Cluster arrival rate 1/ Ray arrival rate 1/ Method: distribution fitting Note: arrival times from Poisson distribution (95% confidence) Tony Pollock, NICTA

Residential – Cluster Arrival Rate May, 2006 Residential – Cluster Arrival Rate v360 Tony Pollock, NICTA

Residential – Ray Arrival Rate May, 2006 Residential – Ray Arrival Rate Tony Pollock, NICTA

Parameter Extraction III May, 2006 Parameter Extraction III AoA distribution AoA distribution standard deviation Method: goodness of fit and probability plotting Tony Pollock, NICTA

Residential – AoA Distribution May, 2006 Residential – AoA Distribution Tony Pollock, NICTA

Residential – AoA Distribution May, 2006 Residential – AoA Distribution Tony Pollock, NICTA

Residential - MPG Distribution May, 2006 Residential - MPG Distribution Tony Pollock, NICTA

Residential Summary of Parameters Extracted May, 2006 Residential Summary of Parameters Extracted Tx ant. [ns] [°] Number of cluster RMS delay spread [ns] Mean excess delay spread [ns] v15 2.94 0.1408 3.833 0.426 4.078 1 0.1814 1.2224 v30 4.54 1.2048 4.667 0.444 7.778 0.1827 1.2251 v60 1.25 0.4545 1.75 0.741 9.455 3 0.6003 2.31 v360 4.761 1.298 4.187 1.068 8.316 4 2.2699 2.8525 1/ 1/ Tony Pollock, NICTA

Office Summary of Parameters Extracted May, 2006 Office Summary of Parameters Extracted Tx ant. [ns] [°] Number of cluster RMS delay spread [ns] Mean excess delay spread [ns] v30 30.3030 0.3846 12.875 0.8765 6.755 4 19.7354 30.838 v360 113.89 0.5263 19.4375 0.4202 9.1049 6 24.8157 38.3 1/ 1/ Tony Pollock, NICTA

Remaining Work Generate model realization technique May, 2006 Remaining Work Generate model realization technique Matlab code Timeline: completed before San Diego meeting (July) Tony Pollock, NICTA