Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 1

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

Proj

ect:

IEE

E P

802.

15 W

orki

ng G

roup

for

Wir

eles

s Per

sona

l Are

a N

Proj

ect:

IEE

E P

802.

15 W

orki

ng G

roup

for

Wir

eles

s Per

sona

l Are

a N

etw

orks

(et

wor

ks ( W

PAN

sW

PAN

s ))

Subm

issi

on T

itle:

[A sm

all p

rinte

d di

pole

UW

B a

nten

na fo

r mob

ile h

ands

et a

pplic

atio

ns]

Dat

e Su

bmitt

ed: [

“13

Sep

tem

ber,

2004

”]So

urce

:[D

o-H

oon

Kw

on(1

), Y

ongj

inK

im(1

), Se

ong-

Soo

Lee(

1), S

oung

-Ho

Myo

ung(

2)] C

ompa

ny

[(1)

Sam

sung

Adv

ance

d In

stitu

te o

f Tec

hnol

ogy,

(2)A

nsof

t Cor

pora

tion]

Add

ress

[(1)

San1

4-1

Non

gseo

-RiK

iheu

ng-E

up, Y

ongi

n44

9-71

2, K

orea

, (2)

5300

Ste

vens

Cre

ek B

lvd.

Su

ite 6

50, S

an Jo

se, C

A 9

5129

]V

oice

:[(1)

+82-

31-2

80-9

652,

(2)+

1-40

8-26

1-90

95],

FAX

: [(1

)+82

-31-

280-

9555

, (2)

+1-4

08-2

61-1

245]

, E-

Mai

l:[kw

on22

@sa

it.sa

msu

ng.c

o.kr

, yon

gjin

1237

.kim

@sa

msu

ng.c

om, s

slee

.rf@

sam

sung

.com

, m

youn

g@an

soft.

cncd

sl.c

om]

Re:

[Tec

hnic

al c

ontri

butio

n]

Abs

trac

t:[T

his p

rese

ntat

ion

pres

ents

a p

rinte

d di

pole

UW

B a

nten

na fo

r mob

ile h

ands

et a

pplic

atio

ns. T

he

ante

nna

feat

ures

a sm

all-s

ized

radi

ator

and

can

be

man

ufac

ture

d w

ith p

rinte

d ci

rcui

t tec

hnol

ogy.

]

Purp

ose:

[To

prov

ide

tech

nica

l con

tribu

tion

to th

e IE

EE 8

02.1

5.3a

.]N

otic

e:Th

is d

ocum

ent h

as b

een

prep

ared

to a

ssis

t the

IEEE

P80

2.15

. It

is o

ffer

ed a

s a b

asis

for

disc

ussi

on a

nd is

not

bin

ding

on

the

cont

ribut

ing

indi

vidu

al(s

) or o

rgan

izat

ion(

s). T

he m

ater

ial i

n th

is

docu

men

t is s

ubje

ct to

cha

nge

in fo

rm a

nd c

onte

nt a

fter f

urth

er st

udy.

The

con

tribu

tor(

s) re

serv

e(s)

the

right

to a

dd, a

men

d or

with

draw

mat

eria

l con

tain

ed h

erei

n.R

elea

se:

The

cont

ribut

or a

ckno

wle

dges

and

acc

epts

that

this

con

tribu

tion

beco

mes

the

prop

erty

of I

EEE

and

may

be

mad

e pu

blic

ly a

vaila

ble

by P

802.

15.

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 2

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

onA S

mal

l Prin

ted

Dip

ole

UW

B A

nten

na fo

r M

obile

Han

dset

App

licat

ions

Do-

Hoo

n K

won

(1) ,

Yon

gjin

Kim

(1) ,

Seon

g-So

oLe

e(1) ,

and

Soun

g-H

o M

youn

g(2)

(1) S

amsu

ng A

dvan

ced

Inst

itute

of T

echn

olog

y,(2

) Ans

oft C

orpo

ratio

n

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 3

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

Out

line

1.M

otiv

atio

n2.

Prev

ious

/rela

ted

wor

k3.

Ant

enna

stru

ctur

e4.

Mea

sure

men

t pro

cedu

re5.

Mea

sure

men

t res

ults

•V

SWR

•G

ain

and

grou

p de

lay

•O

mni

-dire

ctio

nalit

y•

Gai

n pa

ttern

s•

Ant

enna

s with

diff

eren

t gro

und

plat

e si

zes

6.C

oncl

usio

ns

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 4

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

Mot

ivat

ion

•R

equi

rem

ents

on

ante

nnas

–Fo

r dig

ital T

V, D

VD

pla

yer,

digi

tal c

amco

rder

, no

tebo

ok c

ompu

ter

•C

heap

man

ufac

turin

g co

st•

Poss

ibili

ty o

f int

egra

tion

with

the

syst

em b

oard

•Im

peda

nce

band

wid

th, g

ain

and

phas

e re

quire

men

ts–

Add

ition

al re

quire

men

ts fo

r mob

ile h

ands

ets

•Sm

all f

orm

fact

or•

Om

ni-d

irect

iona

l rad

iatio

n pa

ttern

Min

imum

siz

e of

UW

B a

nten

na

(3.1

-10.

6GH

z) is

abo

ut30

mm

Cla

ssic

theo

ry o

n an

tenn

a si

ze

•Mak

e th

e sy

stem

boa

rd p

art o

f th

e an

tenn

a•M

inim

ize

the

size

of t

he ra

diat

ing

elem

ent

Use

“cer

amic

ant

enna

con

figur

atio

n”

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 5

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

Prev

ious

/rela

ted

wor

k

•Ta

iyo-

Yud

en/T

RD

A’s

cera

mic

chi

p U

WB

an

tenn

a–

Ann

ounc

ed in

June

200

4–

Cer

amic

chi

p si

ze:

8mm×6

mm×1

mm

•Sa

msu

ng’s

cer

amic

UW

B

ante

nna

–R

epor

ted

in M

ay 2

004

in

UW

BST

200

4–

Cer

amic

chi

p si

ze:

10m

m×5

mm×1

mm

–Se

mi-c

ircul

ar c

ondu

ctor

pa

tch

on a

sing

le la

yer o

f ce

ram

ic

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 6

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

Ant

enna

stru

ctur

e

•Pl

anar

stru

ctur

e–

Plan

ar d

ipol

e an

tenn

a w

ith a

Co-

Plan

ar W

aveg

uide

(CPW

) fee

d–

Dire

ct fe

edin

g ar

rang

emen

t can

be

used

as w

ell.

–G

roun

d pl

ates

of d

iffer

ent s

hape

s an

d si

zes c

an b

e us

ed.

–El

ectri

c co

mpo

nent

s can

be

mou

nted

on

the

cent

ral p

ortio

n of

th

e gr

ound

pla

te.

•Th

e ra

diat

ing

elem

ent

–Si

ze: 6

.1m

m×1

1.2m

m

1mm

-thic

k FR

-4

Epox

y su

bstra

te

1oz.

Cop

per

coat

ing

6.1m

m

11.2

mm

•Com

plet

ely

plan

ar st

ruct

ure

•Can

be

prod

uced

with

PC

B te

chno

logy

•Doe

s not

use

cer

amic

mat

eria

l ne

ar-

zero

man

ufac

turin

g co

st

51m

m×2

2.5m

m

Mai

n fe

atur

es

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 7

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

Mea

sure

men

t pro

cedu

re1.

Cab

le th

roug

h•

Mea

sure

the

effe

ct o

f ca

ble+

ampl

ifier

•B

ewar

e of

hig

h re

ceiv

ed

pow

er le

vel

2.H

orn-

Hor

n•

Use

#1

to re

mov

e ca

ble+

amp

effe

ct•

“Tak

e th

e sq

uare

root

”to

ge

t the

gai

n an

d ph

ase

resp

onse

of a

sing

le h

orn

3.H

orn-

AU

T•

Use

#1

to re

mov

e ca

ble+

amp

effe

ct•

Use

#2

to re

mov

e ho

rn

effe

ct

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 8

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

Mea

sure

men

t(1/9

)

•V

SWR

<2.1

3 fo

r 3.

1GH

z<f<

10.6

GH

z•

VSW

R<2

for

f>3.

14G

Hz

12

34

56

78

910

11

12

1

1.52

2.53

3.54

4.55

Frequency (GHz)

VSWR

VSW

R

UW

B fr

eque

ncy

band

2.13

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 9

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

23

45

67

89

10

11

12

-14

-12

-10

-8

-6

-4

-202

Frequency (GHz)

Gain (dBi)

Mea

sure

men

t(2/9

)

•M

ax g

ain=

0.41

dBi @

f=

3.9G

Hz

•M

in g

ain=

-13.

05dB

i @

f=6.

35G

Hz

•Th

ere

exis

ts a

pat

tern

nul

l @

f=6.

35G

Hz

–D

ue to

the

off-

cent

er fe

ed o

f th

e di

pole

ant

enna

Gai

n (b

ores

ight

)

UW

B fr

eque

ncy

band

13.4

6dB

λPa

ttern

nul

l

A w

ire d

ipol

e w

ith a

n of

f-ce

nter

feed

curr

ent f

low

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 10

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

23

45

67

89

10

11

12

-300

-200

-1000

100

200

300

Frequency (GHz)

Group delay (ps)

Mea

sure

men

t(3/9

)

•M

axim

um g

roup

del

ay

varia

tion

= 28

5.1p

s•

The

spac

e w

ave

prop

agat

ion

fact

or h

as

been

cal

ibra

ted

out.

–So

that

the

mea

sure

d va

lue

read

s clo

se to

tim

e ze

ro

Gro

up d

elay

(bor

esig

ht)

UW

B fr

eque

ncy

band

285.

1ps

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 11

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

23

45

67

89

10

11

12

05

10

15

20

25

Frequency (GHz)

Omni-directionality (dB)

Mea

sure

men

t(4/9

)

•O

mni

-di

rect

iona

lity=

max

ga

in/m

in g

ain

(on

the

azim

uth

plan

e)•

Max

. om

ni-

dire

ctio

nalit

y=14

.7dB

@

6.3

3GH

z•

Min

. om

ni-

dire

ctio

nalit

y=2.

62dB

@

7.5

3GH

z

Om

ni-d

irect

iona

lity

UW

B fr

eque

ncy

band

2.62

14.7

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 12

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

5-5

-15

-25

-35

-45

030

60

90 120

150

180

210

240270

300

330f=3.1GHz

f=6.1GHz

f=9.1GHz

Angle (DEG)

Frequency (GHz) -180

-120

-60

060

120

180

2 3 4 5 6 7 8 9

10

11

-30

-25

-20

-15

-10

-5

05

Mea

sure

men

t(5/9

)

•Th

e m

ain

beam

cha

nges

dire

ctio

n w

ith

freq

uenc

y–

For f

<4.5

GH

z, it

is in

the

bore

sigh

tdire

ctio

n–

For f

>4.5

GH

z, th

e m

ain

beam

split

s and

poi

nts

in th

e ed

ge-o

n di

rect

ion

•H

igh

leve

l of c

ross

-pol

ariz

atio

n co

mpo

nent

–V

ery

stro

ng a

t an

angl

e fr

om b

ores

ight

–C

ause

d by

larg

e cu

rren

t flo

win

g in

the

horiz

onta

l dire

ctio

ns

Gai

n pa

ttern

(azi

mut

h)

Angle (DEG)

Frequency (GHz) -180

-120

-60

060

120

180

2 3 4 5 6 7 8 9

10

11

-30

-25

-20

-15

-10

-5

05

0°+

Co-

pol

X-p

ol

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 13

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

5-5

-15

-25

-35

-45

030

60

90 120

150

180

210

240270

300

330

f=3.1GHz

f=6.1GHz

f=9.1GHz

Angle (DEG)

Frequency (GHz) -180

-120

-60

060

120

180

2 3 4 5 6 7 8 9

10

11

-30

-25

-20

-15

-10

-5

05Angle (DEG)

Frequency (GHz) -180

-120

-60

060

120

180

2 3 4 5 6 7 8 9

10

11

-30

-25

-20

-15

-10

-5

05

Mea

sure

men

t(6/9

)

•Ty

pica

l rad

iatio

n pa

ttern

of a

dip

ole

ante

nna

–D

eep

nulls

at a

ngle

=0°,

180°

–St

rong

radi

atio

n in

the

dire

ctio

n of

the

grou

nd

plat

e in

the

low

-fre

quen

cy ra

nge

•Lo

w c

ross

-pol

ariz

atio

n le

vel i

n th

e pl

ane

–C

urre

nts o

n th

e ra

diat

ing

elem

ent a

nd th

e gr

ound

pla

te c

anno

t pro

duce

cro

ss-p

olar

izat

ion

com

pone

nt in

the

plan

e of

the

ante

nna

Gai

n pa

ttern

(ele

vatio

n1)

0°+

Co-

pol

X-p

ol

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 14

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

5-5

-15

-25

-35

-45

030

60

90 120

150

180

210

240270

300

330f=3.1GHz

f=6.1GHz

f=9.1GHz

Angle (DEG)

Frequency (GHz) -180

-120

-60

060

120

180

2 3 4 5 6 7 8 9

10

11

-30

-25

-20

-15

-10

-5

05Angle (DEG)

Frequency (GHz) -180

-120

-60

060

120

180

2 3 4 5 6 7 8 9

10

11

-30

-25

-20

-15

-10

-5

05

Mea

sure

men

t(7/9

)

•R

adia

tion

patte

rn o

f a d

ipol

e an

tenn

a–

Nul

ls a

t ang

le=0°,

180°

–Th

e m

ain

beam

poi

nts a

bove

the

horiz

on in

the

high

-fre

quen

cy ra

nge

–W

eake

r rad

iatio

n th

an in

the

elev

atio

n pl

ane

1•

Low

cro

ss-p

olar

izat

ion

leve

l in

the

plan

e–

It is

due

to th

e ca

ncel

latio

n ef

fect

of

horiz

onta

lly fl

owin

g cu

rren

ts.

–C

ross

-pol

leve

l exp

ecte

d to

rise

off

the

obse

rvat

ion

plan

e

Gai

n pa

ttern

(ele

vatio

n2)

0°

+

Co-

pol

X-p

ol

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 15

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

12

34

56

78

910

11

12

1

1.52

2.53

3.54

4.55

Frequency (GHz)

VSWR

12

34

56

78

910

11

12

1

1.52

2.53

3.54

4.55

Frequency (GHz)

VSWR

Mea

sure

men

t(8/9

)D

iffer

ent g

roun

d sh

ape

and

size

Cen

tral p

ortio

n of

gro

und

rem

oved

3mm

40.5

mm×5

7mm

3mm

3mm

VSW

R<2

for

f>3.

03G

Hz

VSW

R<2

for

f>2.

91G

Hz

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 16

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

12

34

56

78

910

11

12

1

1.52

2.53

3.54

4.55

Frequency (GHz)

VSWR

12

34

56

78

910

11

12

1

1.52

2.53

3.54

4.55

Frequency (GHz)

VSWR

Mea

sure

men

t(9/9

)Sm

alle

r gro

und

plat

e

40.5

mm×5

7mm2m

m

2mm

2mm

Cen

tral p

ortio

n of

gro

und

rem

oved

30m

m×3

0mm

VSW

R<2

for

f>2.

85G

Hz

VSW

R<2

for

f>3.

06G

Hz

Sept

embe

r 20

04

Kw

on,

Sam

sung

Slid

e 17

doc.

: IE

EE

802

.15-

04/0

479r

0

Subm

issi

on

Con

clus

ions

1.A

prin

ted

dipo

le U

WB

ant

enna

with

a sm

all r

adia

ting

elem

ent h

as b

een

pres

ente

d.•

Des

igne

d w

ith fo

cus o

n co

mpl

etel

y pl

anar

real

izat

ion

with

smal

l rad

iatin

g el

emen

t siz

e•

The

dipo

le u

ses t

he g

roun

d pl

ate

of th

e sy

stem

boa

rd a

s par

t of t

he a

nten

na.

•O

pera

ble

over

the

entir

e U

WB

ban

d•

The

off-

cent

er fe

ed re

sults

in la

rge

gain

var

iatio

n(13

.46d

B) a

nd m

akes

the

mai

n be

am sl

ight

ly ti

lt to

war

d th

e gr

ound

pla

te.

•B

ores

ight

grou

p de

lay

varia

tion

= 28

5.1p

s•

Om

ni-d

irect

iona

lity

w.r.

t. fr

eque

ncy

= 14

.7dB

Max

.2.

Oth

er fe

atur

es•

Doe

s not

nee

d ex

pens

ive

cera

mic

pro

cess

•C

an b

e m

anuf

actu

red

com

plet

ely

with

PC

B te

chno

logy

•El

ectro

nic

com

pone

nts c

an b

e m

ount

ed o

n th

e ce

ntra

l por

tion

of th

e gr

ound

pl

ate

with

out a

ffec

ting

the

ante

nna

perf

orm

ance

.3.

App

licat

ions

•Su

itabl

e fo

r mob

ile h

ands

et a

pplic

atio

ns