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SubmissioSubmissionn

Abbie Mathew, NewLANSAbbie Mathew, NewLANS

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

Submission Title: [Observations of the UMass Measurements]Date Submitted: [March 2006]Source: [Abbie Mathew, NewLANS, Westford, MA] [amathew@newlans.com] [Zhiguo Lai, University of Massachusetts, Amherst, MA] [zhlai@ecs.umass.edu]Re: []Abstract: []Purpose: [Contribution to 802.15 TG3c at March 2006 meeting in Denver]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.

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Abbie Mathew, NewLANSAbbie Mathew, NewLANS

ObjectiveObjective

Develop channel model with AoA information Develop channel model with AoA information based on circular polarization and directional based on circular polarization and directional antennasantennas

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Abbie Mathew, NewLANSAbbie Mathew, NewLANS

Measurement PlanMeasurement Plan

Test plan as per [15-05-0537-00-003c-university-Test plan as per [15-05-0537-00-003c-university-massachusetts-measurement-plan]massachusetts-measurement-plan]

Agilent Infiniium DCA86100A Wide Bandwidth

Oscilliscope

HP 8133A-02 Pulse Generator

Trigger

Pedestal

(a) Data collection(b) Pedestal control

Pulse Modulator x4

15 GHz DRO

x4

Laser

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Abbie Mathew, NewLANSAbbie Mathew, NewLANS

Circular Polarization & DirectionalityCircular Polarization & Directionality

TxTx

RxRx

Right Hand

Right Hand

Left HandLeft Hand

Right HandRight Hand

Right HandRight Hand

Left HandLeft Hand

Right HandRight Hand

Outside Outside antenna’s antenna’s

beam coveragebeam coverage

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Abbie Mathew, NewLANSAbbie Mathew, NewLANS

Effects of Circular PolarizationEffects of Circular PolarizationMeasurement 6BMeasurement 6B

16' 6"5.0 m

9'2.7 m

1' 6"

Closed Metal Shelf

1.8 m W x 0.5 m W

x 1.7 m H

Door

RxRx

TxTx

-15-13

-11-9-7-5

-3-1

0 50 100 150 200 250 300 350

Angle, degrees

Mag

nitu

de, d

B

-15

-13

-11

-9

-7

-5

-3

-1

-50 -40 -30 -20 -10 0 10 20 30 40 50

Angle, degrees

Mag

nitu

de, d

B

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Abbie Mathew, NewLANSAbbie Mathew, NewLANS

Impulse ResponseImpulse ResponseMeasurement 6BMeasurement 6B

0

100

200

300

400

500

600

700

0 1 2 3 4 5 6 7 8 9 10

Time, ns

Mag

nitu

de, m

V

-5.58-3.6-1.6201.983.965.94

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Abbie Mathew, NewLANSAbbie Mathew, NewLANS

Office LayoutOffice LayoutMeasurement 4Measurement 4

Measurement A => Rx-A to Tx = 8.6 mMeasurement A => Rx-A to Tx = 8.6 mMeasurement B => Rx-B to Tx = 6.6 mMeasurement B => Rx-B to Tx = 6.6 m

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Abbie Mathew, NewLANSAbbie Mathew, NewLANS

Office LayoutOffice LayoutMeasurement 4 – ReflectionsMeasurement 4 – Reflections

-15

-13

-11

-9

-7

-5

-3

-1

0 50 100 150 200 250 300 350

Angle, degrees

Mag

nitu

de, d

BMagnitude A, dBMagnitude B, dB

Measurement AMeasurement A

Measurement BMeasurement B

0

100

200

300

400

500

600

1.0 2.0 3.0

-9.54-7.56-3.603.967.929.9

0100200300400500600700

1.0 2.0 3.0

Measurement AMeasurement A Measurement BMeasurement B

Time, nsTime, nsTime, nsTime, ns

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Effects of Scanning AngleEffects of Scanning AngleMeasurements 4A & 4BMeasurements 4A & 4B

Large scanning angle Large scanning angle may miss objects of may miss objects of interestinterest

Objects of Objects of interestinterest

Small scanning angle Small scanning angle may hit objects of may hit objects of interestinterest

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Measurement Campaign ScheduleMeasurement Campaign Schedule

TimeTime EnvironmentEnvironment

March 17March 17 Complete office environmentComplete office environment

April 1April 1 Complete home environmentComplete home environment

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ReferencesReferences

Manabe, Sato, Masuzano, Taira, Ihara, Kasashima, Yamaki, “Polarization dependence of multipath propagation and high speed transmission characteristics of indoor millimeter channel at 60GHz”, IEEE Transaction on Vehicular Technology, Vol. 44, No. 2, May 1995.

Sato, Manabe, Ihara, Saito, Sato, Masuzano, Taira, Ihara, Kasashima, Yamaki, “Measurements of reflection and transmission of office building in the 60 GHz band”, IEEE Transaction on Antennas and Propagation, Vol. 45, No. 12, December 1992.

Manabe, Taira, Sato, Ihara, Kasashima, Yamaki, “Multipath measurement at 60 GHz for indoor wireless communication systems”, IEEE 1994.