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May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c...

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May 2006 May 2006 Zhiguo Lai, University of Zhiguo Lai, University of Massachusetts - Amherst Massachusetts - Amherst Slide Slide 1 doc.: IEEE 802.15-06-216-01- doc.: IEEE 802.15-06-216-01- 003c 003c Submiss Submiss ion ion Project: IEEE P802.15 Working Group for Wireless Personal Project: IEEE P802.15 Working Group for Wireless Personal Area Networks Area Networks Submission Title: Submission Title: [Observation on Narrowbeam Circular [Observation on Narrowbeam Circular Polarization Measurement] Polarization Measurement] Date Submitted: Date Submitted: [May 16, 2006] [May 16, 2006] Source: Source: [Zhiguo Lai] Company [University of Massachusetts [Zhiguo Lai] Company [University of Massachusetts Amherst] Amherst] Address [130 Natural Resources Road, Room 228, Marston Address [130 Natural Resources Road, Room 228, Marston Hall, University of Massachusetts, Amherst Hall, University of Massachusetts, Amherst , MA 01003, , MA 01003, U.S.A. U.S.A. ] ] Voice: [ Voice: [ (413) 545-4351 (413) 545-4351 ], E-Mail: [ ], E-Mail: [ [email protected] [email protected] ] ] Re: Re: [] [] Abstract: Abstract: [Update of activities in the channel modeling [Update of activities in the channel modeling sub-group and call for participation] sub-group and call for participation] Purpose: Purpose: [ Contribution to 802.15 TG3c at May 2006 Contribution to 802.15 TG3c at May 2006 interim in Jacksonville interim in Jacksonville] Notice: Notice: This document has been prepared to assist This document has been prepared to assist the IEEE P802.15. It is offered as a basis for the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing discussion and is not binding on the contributing individual(s) or organization(s). The material in this individual(s) or organization(s). The material in this document is subject to change in form and content after document is subject to change in form and content after
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Page 1: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 11

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

Project: IEEE P802.15 Working Group for Wireless Personal Area NetworksProject: IEEE P802.15 Working Group for Wireless Personal Area Networks

Submission Title:Submission Title: [Observation on Narrowbeam Circular Polarization Measurement] [Observation on Narrowbeam Circular Polarization Measurement]Date Submitted: Date Submitted: [May 16, 2006][May 16, 2006]Source:Source: [Zhiguo Lai] Company [University of Massachusetts Amherst] [Zhiguo Lai] Company [University of Massachusetts Amherst]Address [130 Natural Resources Road, Room 228, Marston Hall, University of Address [130 Natural Resources Road, Room 228, Marston Hall, University of Massachusetts, AmherstMassachusetts, Amherst, MA 01003, U.S.A., MA 01003, U.S.A.]]Voice: [Voice: [(413) 545-4351(413) 545-4351], E-Mail: [], E-Mail: [[email protected]@ecs.umass.edu]]

Re:Re: [] []

Abstract: Abstract: [Update of activities in the channel modeling sub-group and call for [Update of activities in the channel modeling sub-group and call for participation]participation]

Purpose:Purpose: [[Contribution to 802.15 TG3c at May 2006 interim in JacksonvilleContribution to 802.15 TG3c at May 2006 interim in Jacksonville]]

Notice:Notice: This document has been prepared to assist the IEEE P802.15. It is offered 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 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 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 content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein.withdraw material contained herein.Release:Release: The contributor acknowledges and accepts that this contribution becomes The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15.the property of IEEE and may be made publicly available by P802.15.

Page 2: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 22

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

Measurement InformationMeasurement Information Measurement setup as per [15-05-0537-00-003c-university-Measurement setup as per [15-05-0537-00-003c-university-

massachusetts-measurement-plan]massachusetts-measurement-plan] Environments: office (corridor and cubicle), conference room, Environments: office (corridor and cubicle), conference room,

residentialresidential• The corridor measurements were made in a passage way with office cubicles on The corridor measurements were made in a passage way with office cubicles on

either side. either side. • The measurement in the office cubicle was made with metal shelves, white board, The measurement in the office cubicle was made with metal shelves, white board,

and office window. Owing to the small size of these cubicles, one measurement and office window. Owing to the small size of these cubicles, one measurement could be made per cubicle.could be made per cubicle.

• The residential measurement was made in US homes. The environment consists of The residential measurement was made in US homes. The environment consists of windows, doors, picture frames, wooden furniture, and fire place. windows, doors, picture frames, wooden furniture, and fire place.

• The small conference room has metal shelves, white board and office window. The small conference room has metal shelves, white board and office window. • The large conference room has a large white board and office window.The large conference room has a large white board and office window.

Center frequency: ~60 GHzCenter frequency: ~60 GHz Bandwidth: ~1 ns pulseBandwidth: ~1 ns pulse Contains angular information: Receiver rotated in steps of 1.98ºContains angular information: Receiver rotated in steps of 1.98º Rx/Tx antenna type: Directional, HPBW of 14ºRx/Tx antenna type: Directional, HPBW of 14º Polarization: Circular, right handPolarization: Circular, right hand

Page 3: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 33

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

Office Cubicle LayoutOffice Cubicle LayoutMeasurement #2Measurement #2

5' 1"

Closed Book Shelf36" W x 15" D x 16 H

36"

15"

36"

Table Top

58"

36"

36"

18"Floor Mounted Self

36" W x 18" D x 28" H

Op

en

Bo

ok S

he

lf3

6" W

x 15

" D x 1

6 H

36"

15"Chair

72"

8' 1"

Closed Book Shelf36" W x 15" D x 16 H

36"

15"

36"

Table Top

58"

36"

White Board35" W x 34" H x 0.67" D

35"

36"

18"Floor Mounted Self

36" W x 18" D x 28" HOp

en

Bo

ok

Sh

elf

36

" W

x 1

5"

D x

16

H

36"

15" Chair

3' 10"

John’s Office

62"

Window metal frame

Closed Book Shelf36" W x 15" D x 16 H

36"

15"

Table Top

58"

36"

Ken’s Office

15"

Table Top

58"

36"

18"Floor Mounted Self

36" W x 18" D x 28" H

Op

en

Bo

ok S

he

lf3

6" W

x 15

" D x 1

6 H

36"

15"Chair

Floor Mounted Self36" W x 18" D x 28" H

RX

TX

104"8' 7.9"

Page 4: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 44

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

Reflection PlotReflection PlotMeasurement #2Measurement #2

Page 5: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 55

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

0 2 4 6 8 10 12 14 16 18 20-0.1

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

delay (ns)

x(t

) (m

V)

= 0

= 3.96

= 7.92

= 11.88

Impulse Responses at Different AnglesImpulse Responses at Different AnglesMeasurement #2Measurement #2

~1.6ns ~1.6nsBW of receiver filter = 625 MHz 1/625MHz = 1.6ns

Not Reflections!

LOS

Page 6: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 66

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

-180 -150 -120 -90 -60 -30 0 30 60 90 120 150 180-60

-50

-40

-30

-20

-10

0

(deg)

pow

er (

dB)

-180 -150 -120 -90 -60 -30 0 30 60 90 120 150 1800

5

10

15

20

(deg)

dela

y (n

s)

Reflection Plot over 360°Reflection Plot over 360°Measurement #2Measurement #2Maximum strength (normalized) of the received signal at each angle:Maximum strength (normalized) of the received signal at each angle:

Corresponding delays:Corresponding delays:

Page 7: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 77

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

Conference Room LayoutConference Room LayoutMeasurement #5Measurement #5

14' 9"

11' 4"

9.5"13' 4"

7' 4"

Door9' 2"3'

8' 3"

8'

White Board8' W x 4' H

Bottom of the board is 3' above the floor

Door

5'

5' 10'

9' 5"

5'

5'

Rx-ARx-A

Tx-ATx-A

Rx

-BR

x-B

Tx

-BT

x-B

Measurement AMeasurement A 141” 141”

Measurement BMeasurement B 84”84”

Measurement CMeasurement C Rx and Tx in Rx and Tx in

Measurement B reversedMeasurement B reversed 83”83”

Page 8: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 88

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

Reflection PlotReflection PlotMeasurement #5aMeasurement #5a

Page 9: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 99

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

Impulse Responses at Different AnglesImpulse Responses at Different AnglesMeasurement #5aMeasurement #5a

0 2 4 6 8 10 12 14 16 18 20-0.1

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

delay (ns)

x(t

) (m

V)

= 0

= 3.96

= 7.92

= 11.88

~1.6ns ~1.6ns

Page 10: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 1010

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

Reflection Plot over 360°Reflection Plot over 360°Measurement #5aMeasurement #5a

-180 -150 -120 -90 -60 -30 0 30 60 90 120 150 180-60

-50

-40

-30

-20

-10

0

(deg)

pow

er (

dB)

-180 -150 -120 -90 -60 -30 0 30 60 90 120 150 1800

5

10

15

20

(deg)

dela

y (n

s)Maximum strength (normalized) of the received signal at each angle:Maximum strength (normalized) of the received signal at each angle:

Corresponding delays:Corresponding delays:

Page 11: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 1111

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

Living Room LayoutLiving Room LayoutMeasurement #9aMeasurement #9a

TxTx

RxRxEE

43”43”

32”32”

38”38”

14”14”

Distance between Tx and Distance between Tx and RxRxEE is 109.5”, 2.8 m is 109.5”, 2.8 m

Page 12: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 1212

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

Reflection PlotReflection PlotMeasurement #9aMeasurement #9a

Page 13: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 1313

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

0 2 4 6 8 10 12 14 16 18 20-0.02

0

0.02

0.04

0.06

0.08

0.1

0.12

0.14

delay (ns)

x(t

) (m

V)

= 0

= 3.96

= 7.92

= 11.88

Impulse Responses at Different AnglesImpulse Responses at Different AnglesMeasurement #9aMeasurement #9a

~1.6ns~1.6ns

Page 14: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 1414

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

Reflection Plot over 360°Reflection Plot over 360°Measurement #9aMeasurement #9a

-180 -150 -120 -90 -60 -30 0 30 60 90 120 150 180-40

-30

-20

-10

0

(deg)

pow

er (

dB)

-180 -150 -120 -90 -60 -30 0 30 60 90 120 150 1800

5

10

15

20

(deg)

dela

y (n

s)Maximum strength (normalized) of the received signal at each angle:Maximum strength (normalized) of the received signal at each angle:

Corresponding delays:Corresponding delays:

Page 15: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 1515

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

0 1 2 3 4 5 6 7 8-0.2

0

0.2

0.4

0.6

0.8

delay (ns)

norm

aliz

ed x

(t)

Measurement #2Measurement #5aMeasurement #9a

Consolidated Impulse Plot At 0ºConsolidated Impulse Plot At 0º

Page 16: May 2006 Zhiguo Lai, University of Massachusetts - Amherst Slide 1 doc.: IEEE 802.15-06-216-01-003c Submission Project: IEEE P802.15 Working Group for.

May 2006May 2006

Zhiguo Lai, University of Massachusetts - AmherstZhiguo Lai, University of Massachusetts - AmherstSlide Slide 1616

doc.: IEEE 802.15-06-216-01-003cdoc.: IEEE 802.15-06-216-01-003c

SubmissioSubmissionn

SummarySummary In all three different environments, only the line of sight

signal is observed, i.e., no strong multipath is detected. We will make more measurements using an omni-

antenna at the transmitting end and a directional antenna at the receiving end (linear polarization).


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