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Doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 1 60 GHz Transmission and Reflection Measurements.

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Presentation on theme: "Doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 1 60 GHz Transmission and Reflection Measurements."— Presentation transcript:

1 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 1 60 GHz Transmission and Reflection Measurements Date: 2009-09-23 Authors:

2 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 2 Horn Antenna Max. gain = 22.73 dB@4 o Beamwidth = ~ 9 o

3 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 3 Material under Test MaterialThickness (cm) M1 (Plastic Partition)0.8 M2 (Plywood)0.8 M3 (Thick Wood Board)1.8 M4 (Tempered Glass)0.7 M5 (Alumina Board)0.12

4 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 4 Plastic Partition, M1

5 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 5 Plywood, M2

6 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 6 Thick Wood Board, M3

7 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 7 Tempered Glass, M4

8 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 8 Penetration Loss Measurement Setup 50 cm TxRx 1 2 3 4 5 6 7 8 9 5 cm in each direction Penetration Loss = S 21,air - S 21,MUT MUT

9 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 9 V-to-V Penetration Loss Plastic Partition Loss average: 3.44 dB Standard deviation: 0.5

10 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 10 V-to-V Penetration Loss Plywood Loss average: 6.09 dB Standard deviation: 1.09

11 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 11 V-to-V Penetration Loss Thick Wood Loss average: 9.24 dB Standard deviation: 0.73

12 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 12 V-to-V Penetration Loss Tempered Glass Loss average: 4.00 dB Standard deviation: 0.40

13 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 13 V2V and H2H Penetration Loss Comparison Material\PolarizationV2VH2H AverageStandard deviationAverage M13.440.54.04 M26.091.095.42 M39.240.738.48 M440.43.97 Unit: dB

14 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 14 Reflection Loss Measurement Rotator VNA MUT Rotator VNA 25 cm θi θi θr θr direct path: reflection: 50 cm The EM waves travel the same distance through air for the two situations above. We can get the reflection loss of different incident angle θ i by comparing their S 21 on VNA. Reflection Loss = S 21,direct - S 21,reflection@θi TxRx TxRx

15 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 15 Vertical-to-Vertical Penetration Loss Measurement Setup Tx Rx E H E H θi θi θr θr

16 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 16 Vertical-to-Vertical Reflection (Loss compared to air) Incident angle(degree) Plastic Partition (M1) Plywood (M2)Thick-wood (M3)Tempered Glass (M4) Alumina Board (M5) 10 3.7711.1212.1212.43~0 20 3.5911.0211.9413.26~0 30 1.395.078.6311~0 40 3.6810.37.575.551.29 50 1.014.647.724.213.66 60 ~04.035.792.621.21 70 4.013.293.91.770.47 80 1.594.813.71.933.44 Unit: dB

17 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 17 V-to-V Reflection Loss vs. Incident Angle

18 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 18 Horizontal-to-Horizontal Penetration Loss Measurement Setup Tx Rx H E θi θi θr θr E H

19 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 19 Horizontal-to-Horizontal Reflection (Loss compared to air) Incident angle(degree) Plastic Partition (M1) Plywood (M2)Thick-wood (M3)Tempered Glass (M4) Alumina Board (M5) 10 5.1111.4811.6512.263.00 20 4.8715.0813.5514.051.53 30 5.0218.5211.8017.722.14 40 9.3120.0714.9411.220.73 50 9.4315.6116.2511.301.04 60 17.7627.4722.9615.072.21 70 8.7313.9617.8122.524.07 80 5.8315.1912.7312.751.55 Unit: dB

20 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 20 H-to-H Reflection Loss vs. Incident Angle

21 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 21 “Propagation of Radio”, Les Barclay, 2nd Edition, IEE 2003 Perpendicular Parallel

22 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 22 Multi-path Measurement d : the distance between two antenna Theta : the angle of horn rotating anti-clockwise 15 cm Table Tx : Omni-antennaRx : horn LNA Theta d

23 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 23 Multi-path Measurement To achieve rotation, the receiver part slightly moves forward. Then it is able to raise the tail of LNA to realize angles of rotation. Rx : horn LNA Rx : horn LNA Table Theta 2cm

24 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 24 Multi-path Measurement d = 30cm The peak has 0.059ns difference, about 1.8cm difference in distance. When rotating the horn antenna, the horn slightly move forward for 2cm.

25 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 25 Multi-path Measurement d = 30cm 19.7dB 0.368ns For Theta = 20, the first peak and second peak has 11.03cm difference in distance.

26 doc.: IEEE 802.11-09/0995r1 Submission September 2009 Tian-Wei Huang, National Taiwan UniversitySlide 26 Multi-path Measurement d = 30cm

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