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F I C H A C A T A L O G R Á F I C A E L A B O R A D A P E L A B I B L I O T E C A C E N T R A L DA U F C G
C355a Castro, Ewerton Rómulo Silva
2006 Aplicação de modelos de propagação a redes de computadores sem fio /
Ewerton Rómulo Silva Castro. — Campina Grande, 2006.
198f. : i l .
Referências.
Dissertação (Mestrado em Engenharia Elétrica) - Universidade Federal de
Campina Grande, Centro de Engenharia e Informática.
Orientadores: Prof. Dr. Marcos Barbosa de Melo e Prof. Dr. Glauco
Fontgalland.
1—Enlace de Dados 2—Perdas de Propagação 3—WLAM 4—Ambiente
Urbano I—Título
CDU 621.371.31
APLICAÇÃO DE MODELOS DE PREDIÇÃO DE PROPAGAÇÃO A
R E D E S DE COMPUTADORES S E M F I O
E W E R T O N RÓMULO SILVA CASTRO
Dissertação Aprovada em 11.05.2006
MARCOS A N T O p O BARBOSA DE M E L O , Dr., U F C G
Orientador
^ GLAUCO FONTGALL^rjjDr., UFCG )
Orientador
A L F R E D O GOMES NETO, D.Sc, C E F E T - P B
Componente da Banca
MUNDO C A R L O S SILVÉRIO F R E I R E , Dr., U F C G
Orientador
ROMl I O RAIMUNDO-MARANHÃO DO V A L L E , Mestre, U F C G
Componente da Banca
C A M P I N A GRANDE - PB
M A I O - 2006
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∗
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t
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t
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L
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•
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p
= 69, 55 + 26, 16 log f
c
− 13, 82 log h
b
− a
∗
+ (44, 9 − 6, 55 log h
b
) log R
)=* C /$?
• f
c
=
69;/3 !H , !HH )%& *• h
b
=
@1& 5 $ // $ !"# :$ # ' H , GHH )(*• h
m
=
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/3 , GH )(*• a
∗
=
6 # $ 3#!"# 9& &( 5 1# 3 3<3# 3#/#( $(/"# $ : =∗
3 # $ 3 , 9& # # 2&( &/!"# $ 1& $# (+51= . 6 # $
3#!"# 8 1& $ !"# (+51 2 (# $# ' # 8 3 $ 8# $ ('/ &' /#? ) * 7$ $ 89&/ , (2$
a = (1, 1 log f
c
− 0, 7)h
m
− (1, 56 log f
c
− 0, 8)
)=G* )'* 7$ $ * /$a = 8, 29(log 1, 54h
m
)
2
− 1, 1
para f
c
≤ 200MHz
)=*a = 3, 2(log 11, 75h
m
)
2
− 4, 97
para f
c
≥ 400MHz
)=(*G= > F&'&' /
L
ps
= L
p
{AreaUrbana} − 2{log(
f
c
28
)}
2
− 5, 4
)=!* = > 'L
op
= L
p
{AreaUrbana} − 4, 78(log f
c
)
2
− 18, 33 log f
c
− 40, 94
)=I*
@ 9& ! 3( "# $# (#$1# 3#/03$# 3#(# (#$1# $ C
&(& ,& = 6 /$# &(
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2
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, .%B # (#$1# 8#$ &1 $# ( 9& 1 9& 8# $ 1 !"#=
# / /#B ((# 9;/3 &1 $ /$# 3( $# (#$1# 8 #8## ( )B 'H*B 9& ! $# (#$1# "# &1 $ /$# ( 5 (8# /3 $# ((# 8 # $ 3#(8 !"# 3#( # $( (#$1# ( $9& $# 8 8#<5 #' 5 ! 3#/31& $# &1 $#= #( B $# (#$1# $ C
&(& ,& B "# &1 $ 9& ! =B =G =! /
& !"# $ 8#8 * !"# ( ('/ &' /# $ $ ( # $ 3#(8& $#=
4( (#$1# ' $# /# (#$1# $ C&(& ,& # 8&'13 $# 81# 77E )7#/&1 5 7#(,
( # // #/ 1 E $ #B 0#B 4,E , // #/ 1 13#((&/3 #/ 4/ #/ , E $ #,
3#((&/3 #/ F3#* ) B ''* 2 $ $# 8#?
L = 69, 55 + 26, 16 log f
c
− 13, 82 log h
b
− a + (44, 9 − 6, 55 log h
b
) log R − B
C/$ # (# 2 # ((# $ 9& !"# = @ 9& ! = =+ "# (( 3#( 3!"# $# (# AB 33/ $# /# ( $ 9& !"# =+= . (#B AB 2 &( # $ 3# !"#B 8#3/ *( $ 82$# #' # /# AB $ $# 8#?
B = 30 − 25 log B
1
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& !"# 8 $"#= #/ , /"# /3: /31&"# $ # $ 3#!"# 8 (' /
$ '# : &'&' / = @ $& 9& ! 3( ('2( "# &1 $ B / ' 10#B
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C %#$1# $ & ,./$$# # $/5#15$# $& / # &$# 8 81 3 ! $ )7F )),
#/ 1 7#((&/3 #/ F53 , F5!# $ 7#(&/3 ! )# *B 9& &1 ( $
B! G -& B 81# 3#(; $ &$# .& , 7CF G )7CF , 7##8 #/ / 61$ #
F3 /3 /$ 30/3 1
2
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B ''* ) B GHH!* ) B ''*=
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CF
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%#$1# $ & ,./$$# # $/5#15$# 8 3#!"# ( 1*&( & ! = 7#(# 8#$
#' 5 $# / 9& !"# *&B (#$1# & 1*&/ 8 (# $ 9& !"# 8 9&
(( /0 5 1$ $ / $ 9;/3 $ !HH GHHH %& =
L
xhata
= 46, 33 + (44, 9 − 6, 55 log h
b
) log R + 33, 9 log f
c
− a − 13, 82 log h
b
+ C
)='*
C/$B 7
2
&( 8 (# $ & 3#(8 /$/$# 8#<51 & ! *&/?
C (#
2
# ((# &1 $# / 9& ! =G =( ' /* # $# 8# $ : ?
&' / #& &'&' / =
@ 5 1 $ $ $: $/ # $ ! ' #?
1500 ≤ f
c
≤ 2000MHz
)=H*1 ≤ R ≤ 10km
)=*30 ≤ h
b
≤ 200m
)=G*1 ≤ h
m
≤ 10m
)=*. (#$1# # 8 / $# *& "# ' $# /# $ C&(& ,& ) B
'I*= . / 3 # "# # & 8 $(/& # # 3#($#= .( ('#B #' 5 , &(
&(/# $ $ 9;/3 $ 5 1$ $ $# (#$1#= # 3#( 9& # # 9& 3#($#
&1 /$# (#$1# $(/& = C (#$1#B *&B 8( &1 !"# ( !"# $ 9;/3 = @8/ (# *# B #&# (#$1# (8# / /3 $# 8# $5 # # #' # &/# )B '''* 9& *& (( 1/0 $ 3#3</ # $# $# 1(# 8/ $#= #5 (/B"# (#$3 ! / 9& ! $ & )B'H* 52$ /3#8# !"# $ /#5# # )B '''*B 8/ $# ' #B 9& 8( 9& 83 "# $
+(&1 $ & 8# ( 15 $ $/ # $ # 1 $ 5 1 $ $ $ 3& 5 $ C &(& = @ 9& ! (#$3 $ $ & "# (# $ ' #? = 6&/! $ / !"#?
F
1
=
300
4
f
4
c
+ 300
4
)=(*F
2
=
f
4
c
300
4
+ f
4
c
)=!*G= 6 # $ 3# !"# $ 3&5 & $ ?
S
ks
= [27 +
f
c
230
] log[
17.(h
b
+ 20)
17(h
b
+ 20) + R
2
] + 1, 3 −
|f
c
− 55|
750
)=I* C/$?f
c
=
69;/3 HH , HHH )%& *h
b
=
@1& 5 $ // $ !"# $ # ' H , HH )(*h
m
=
@1& $ // $ !"# (+51 , H )(*R =
/3 , HH )(* = C 6 # $ 3# !"# 8 : &' / &'&' / 8#$ /3#/ $# $?S
o
= (1 − U
r
)[(1 − 2U
r
)L
po
+ 4U
r
L
ps
]
)=+*4 ? H #& 5 1 # 8 3$ $ 89&/ #& (2$ &( 8 3/ # &' /#