60 GHz Cubicle Wall Reflectivity

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60 GHz Cubicle Wall Reflectivity Month Year doc.: IEEE 802.11-yy/xxxxr0 November 2009 60 GHz Cubicle Wall Reflectivity Date: 2009-11-17 Authors: C. Hansen et al, Broadcom Corporation John Doe, Some Company

Month Year doc.: IEEE 802.11-yy/xxxxr0 November 2009 Abstract Initial 60 GHz reflection measurements from an office cubicle wall are presented. This information is provided to aid the development of the 802.11ad Channel Model. C. Hansen et al, Broadcom Corporation John Doe, Some Company

Outline Measurement System Measurement Geometry and Method Results November 2009 Outline Measurement System Measurement Geometry and Method Results Future Measurement Plans C. Hansen et al, Broadcom Corporation

Measurement System (1) Agilent 5230C Network Analyzer Up/Downconverter November 2009 Measurement System (1) Agilent 5230C Network Analyzer 9 – 11 GHz measurement bandwidth 1601 points Up/Downconverter 13 GHz local oscillator (phase locked to 10 MHz reference) shared between TX an RX LO is multiplied up to 52 GHz at each side 61 – 63 GHz measurement frequency Antenna System Horn with 19 degree beamwidth Vertical and horizontal polarizations Rotary joint with positioner at each side C. Hansen et al, Broadcom Corporation

Measurement System (2) November 2009 C. Hansen et al, Broadcom Corporation

Measurement Geometry November 2009 Incidence Angle Reflected Angle RX TX Calibration path C. Hansen et al, Broadcom Corporation

November 2009 Measurement Method Followed methodology of the National Taiwan University group in 11-09-0995r1 Due to limited wall size, measurements were made at different ranges Scaled path loss by range^2 to match calibration path length Initial measurements were with vertical polarization Yields perpendicular polarization with reflection from vertical wall C. Hansen et al, Broadcom Corporation

Reflection - Perpendicular Polarization November 2009 Reflection - Perpendicular Polarization C. Hansen et al, Broadcom Corporation

Future Measurement Plans November 2009 Future Measurement Plans Horizontal polarization for reflection Transmission through cubicle wall measurements with both horizontal and vertical polarizations C. Hansen et al, Broadcom Corporation