September 2009

Tian-Wei Huang, National Taiwan University

Slide 1

doc.: IEEE 802.11-09/0995r1

Submission

60 GHz Transmission and Reflection Measurements

Date: 2009-09-23

Authors:

Name Affiliations Address Phone email

Tian-Wei Huang National Taiwan University

No. 1, Sec. 4, Roosevelt Road, Taipei, 10617 Taiwan(R.O.C.)

+886-2-33665084 twhuang@cc.ee.ntu.edu.tw

Wen-Heng Lin National Taiwan University

No. 1, Sec. 4, Roosevelt Road, Taipei, 10617 Taiwan(R.O.C.)

+886-2-33665700x202 linweiheng@gmail.com

Jian-Zhong Lo National Taiwan University

No. 1, Sec. 4, Roosevelt Road, Taipei, 10617 Taiwan(R.O.C.)

+886-2-33665700x202 r96942074@ntu.edu.tw

Xun Lan National Taiwan University

No. 1, Sec. 4, Roosevelt Road, Taipei, 10617 Taiwan(R.O.C.)

+886-2-33665700x202 r96942066@ntu.edu.tw

James Wang MediaTek No.1, Dusing Rd. 1, Hsinchu Science Park, Hsin-Chu, Taiwan 30078, R.O.C.

+886-3-567-0766 james.wang@mediatek.com

Vish Ponnampalam Media Tek No.1, Dusing Rd. 1, Hsinchu Science Park, Hsin-Chu, Taiwan 30078, R.O.C.

+886-3-567-0766 vish.ponnampalam@mediatek.com

Alvin Hsu Media Tek No.1, Dusing Rd. 1, Hsinchu Science Park, Hsin-Chu, Taiwan 30078, R.O.C.

+886-3-567-0766 alvin.hsu@mediatek.com

September 2009

Tian-Wei Huang, National Taiwan University

Slide 2

doc.: IEEE 802.11-09/0995r1

Submission

Horn Antenna

Max. gain = 22.73 dB@4o

Beamwidth = ~ 9o

September 2009

Tian-Wei Huang, National Taiwan University

Slide 3

doc.: IEEE 802.11-09/0995r1

Submission

Material under Test

Material Thickness (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

September 2009

Tian-Wei Huang, National Taiwan University

Slide 4

doc.: IEEE 802.11-09/0995r1

Submission

Plastic Partition, M1

September 2009

Tian-Wei Huang, National Taiwan University

Slide 5

doc.: IEEE 802.11-09/0995r1

Submission

Plywood, M2

September 2009

Tian-Wei Huang, National Taiwan University

Slide 6

doc.: IEEE 802.11-09/0995r1

Submission

Thick Wood Board, M3

September 2009

Tian-Wei Huang, National Taiwan University

Slide 7

doc.: IEEE 802.11-09/0995r1

Submission

Tempered Glass, M4

September 2009

Tian-Wei Huang, National Taiwan University

Slide 8

doc.: IEEE 802.11-09/0995r1

Submission

Penetration Loss Measurement Setup

50 cmTx Rx

1 2 3

4 5 6

7 8 9

5 cm in each direction

Penetration Loss= S21,air - S21,MUT

MUT

September 2009

Tian-Wei Huang, National Taiwan University

Slide 9

doc.: IEEE 802.11-09/0995r1

Submission

V-to-V Penetration LossPlastic Partition

• Loss average: 3.44 dB

• Standard deviation: 0.5

1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.00.0

0.1

0.2

0.3

0.4

0.5

0.6

Dis

trib

utio

n p

rob

ab

ility

Penetration Loss(dB)

September 2009

Tian-Wei Huang, National Taiwan University

Slide 10

doc.: IEEE 802.11-09/0995r1

Submission

V-to-V Penetration LossPlywood

• Loss average: 6.09 dB

• Standard deviation: 1.09

1 2 3 4 5 6 7 8 9 100.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

Penetration Loss(dB)

September 2009

Tian-Wei Huang, National Taiwan University

Slide 11

doc.: IEEE 802.11-09/0995r1

Submission

V-to-V Penetration LossThick Wood

• Loss average: 9.24 dB

• Standard deviation: 0.73

6 7 8 9 10 11 12 130.0

0.1

0.2

0.3

0.4

0.5

0.6

Penetration Loss(dB)

September 2009

Tian-Wei Huang, National Taiwan University

Slide 12

doc.: IEEE 802.11-09/0995r1

Submission

V-to-V Penetration LossTempered Glass

• Loss average: 4.00 dB

• Standard deviation: 0.40

1 2 3 4 5 60.0

0.1

0.2

0.3

0.4

0.5

0.6

Penetration Loss(dB)

September 2009

Tian-Wei Huang, National Taiwan University

Slide 13

doc.: IEEE 802.11-09/0995r1

Submission

V2V and H2H Penetration Loss Comparison

Material\Polarization V2V H2H

Average Standard deviation Average

M1 3.44 0.5 4.04

M2 6.09 1.09 5.42

M3 9.24 0.73 8.48

M4 4 0.4 3.97

Unit: dB

September 2009

Tian-Wei Huang, National Taiwan University

Slide 14

doc.: IEEE 802.11-09/0995r1

Submission

Reflection Loss Measurement

Rotator

VNA

MUT

Rotator

VNA

25 cm25 cm

θi 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 θi by comparing their S21 on VNA.

Reflection Loss = S21,direct - S21,reflection@θi

Tx RxTx Rx

September 2009

Tian-Wei Huang, National Taiwan University

Slide 15

doc.: IEEE 802.11-09/0995r1

Submission

Vertical-to-Vertical Penetration Loss Measurement Setup

TxRx

EH

EH

θi θr

September 2009

Tian-Wei Huang, National Taiwan University

Slide 16

doc.: IEEE 802.11-09/0995r1

Submission

Vertical-to-Vertical Reflection (Loss compared to air)

Incident angle(degree)

PlasticPartition (M1)

Plywood (M2) Thick-wood (M3) TemperedGlass (M4)

AluminaBoard(M5)

10 3.77 11.12 12.12 12.43 ~0

20 3.59 11.02 11.94 13.26 ~0

30 1.39 5.07 8.63 11 ~0

40 3.68 10.3 7.57 5.55 1.29

50 1.01 4.64 7.72 4.21 3.66

60 ~0 4.03 5.79 2.62 1.21

70 4.01 3.29 3.9 1.77 0.47

80 1.59 4.81 3.7 1.93 3.44

Unit: dB

September 2009

Tian-Wei Huang, National Taiwan University

Slide 17

doc.: IEEE 802.11-09/0995r1

Submission

V-to-V Reflection Loss vs. Incident Angle

September 2009

Tian-Wei Huang, National Taiwan University

Slide 18

doc.: IEEE 802.11-09/0995r1

Submission

Horizontal-to-Horizontal Penetration Loss Measurement Setup

TxRx H

E θi θr

E

H

September 2009

Tian-Wei Huang, National Taiwan University

Slide 19

doc.: IEEE 802.11-09/0995r1

Submission

Horizontal-to-Horizontal Reflection (Loss compared to air)

Incident angle(degree)

PlasticPartition (M1)

Plywood (M2) Thick-wood (M3) TemperedGlass (M4)

AluminaBoard(M5)

10 5.11 11.48 11.65 12.26 3.00

20 4.87 15.08 13.55 14.05 1.53

30 5.02 18.52 11.80 17.72 2.14

40 9.31 20.07 14.94 11.22 0.73

50 9.43 15.61 16.25 11.30 1.04

60 17.76 27.47 22.96 15.07 2.21

70 8.73 13.96 17.81 22.52 4.07

80 5.83 15.19 12.73 12.75 1.55

Unit: dB

September 2009

Tian-Wei Huang, National Taiwan University

Slide 20

doc.: IEEE 802.11-09/0995r1

Submission

H-to-H Reflection Loss vs. Incident Angle

September 2009

Tian-Wei Huang, National Taiwan University

Slide 21

doc.: IEEE 802.11-09/0995r1

Submission

“Propagation of Radio”, Les Barclay, 2nd Edition, IEE 2003

Perpendicular

Parallel

i r

i

September 2009

Tian-Wei Huang, National Taiwan University

Slide 22

doc.: IEEE 802.11-09/0995r1

Submission

Multi-path Measurement

• d : the distance between two antenna

• Theta : the angle of horn rotating anti-clockwise

15 cm

Table

Tx : Omni-antenna Rx : horn

LNA

Theta

d

September 2009

Tian-Wei Huang, National Taiwan University

Slide 23

doc.: IEEE 802.11-09/0995r1

Submission

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

LNARx : horn

LNA

Table

Theta

2cm

September 2009

Tian-Wei Huang, National Taiwan University

Slide 24

doc.: IEEE 802.11-09/0995r1

Submission

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.

September 2009

Tian-Wei Huang, National Taiwan University

Slide 25

doc.: IEEE 802.11-09/0995r1

Submission

Multi-path Measurement

d = 30cm19.7dB

0.368ns

For Theta = 20, the first peak and second peak has 11.03cm difference in distance.

September 2009

Tian-Wei Huang, National Taiwan University

Slide 26

doc.: IEEE 802.11-09/0995r1

Submission

Multi-path Measurement

d = 30cm