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9
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1162
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is
p
ap
er
co
n
s
id
er
s
,
in
co
r
p
o
r
atin
g
f
e
m
to
ce
ll
b
ase
s
tatio
n
u
n
d
er
n
ea
th
t
h
e
m
ac
r
o
ce
ll
ev
o
lv
ed
No
d
e
B
ase
s
tatio
n
(
eNB
)
to
i
m
p
r
o
v
e
t
h
e
ca
p
ac
it
y
o
f
th
e
ce
ll
a
n
d
to
r
eso
lv
e
th
e
R
a
n
d
o
m
A
cc
ess
c
o
n
g
e
s
tio
n
b
y
allo
w
i
n
g
th
e
M2
M
d
ev
ices
to
ac
ce
s
s
th
e
n
e
t
w
o
r
k
v
ia
t
h
e
f
e
m
to
ce
ll
b
y
e
m
p
lo
y
in
g
C
o
m
p
le
te
Fre
q
u
en
c
y
R
eu
s
e
(
C
FR
)
m
an
a
g
e
m
e
n
t
s
c
h
e
m
e.
Sin
ce
t
h
e
m
ac
r
o
ce
ll
eNB
h
as
a
m
u
c
h
s
tr
o
n
g
er
s
ig
n
al
t
h
an
t
h
e
f
e
m
to
ce
ll,
m
o
s
t
o
f
th
e
M2
M
d
e
v
ices
w
ill
w
a
n
t
to
ac
ce
s
s
th
e
n
et
w
o
r
k
t
h
r
o
u
g
h
t
h
e
m
ac
r
o
ce
ll
eNB
o
t
h
er
t
h
an
t
h
e
f
e
m
to
ce
ll.
A
d
ap
tiv
e
ac
ce
s
s
cla
s
s
b
ar
r
in
g
m
ec
h
a
n
is
m
w
i
ll
b
e
e
m
p
lo
y
e
d
in
t
h
e
m
ac
r
o
ce
ll
eNB
,
o
n
ce
a
ce
r
tain
m
in
i
m
u
m
th
r
es
h
o
ld
v
al
u
e
is
a
ttai
n
ed
,
class
ac
ce
s
s
b
ar
r
in
g
is
t
h
e
n
ac
ti
v
ated
to
p
r
ev
en
t
a
n
y
f
u
r
t
h
er
u
s
e
o
f
t
h
e
m
ac
r
o
ce
ll
eNB
b
y
t
h
e
M2
M
d
ev
ices [
1
2
]
,
[
1
3
]
.
T
h
e
r
est
o
f
th
e
p
a
p
er
is
o
r
g
an
i
s
ed
as
f
o
llo
w
s
:
Sectio
n
1
.
A
g
i
v
es
an
o
v
er
v
ie
w
o
f
s
o
m
e
r
elat
ed
w
o
r
k
s
.
Sectio
n
2
d
i
s
cu
s
s
e
s
t
h
e
r
eso
u
r
ce
allo
ca
tio
n
s
c
h
e
m
e
to
b
e
e
m
p
lo
y
ed
in
th
is
w
o
r
k
.
S
ec
tio
n
3
p
r
ese
n
ts
a
m
at
h
e
m
a
tical
an
a
l
y
s
is
o
f
th
e
s
y
s
te
m
ca
p
ac
it
y
,
s
u
cc
es
s
p
r
o
b
ab
ilit
y
o
f
ac
ce
s
s
g
ai
n
an
d
th
e
p
r
o
b
ab
ilit
y
o
f
co
llis
io
n
a
s
t
h
e
n
u
m
b
er
M2
M
d
ev
ice
i
n
cr
ea
s
e
s
.
Sectio
n
4
p
r
esen
ts
t
h
e
a
n
al
y
s
is
o
f
t
h
e
s
i
m
u
latio
n
o
u
tp
u
t
r
esu
lt
s
an
d
f
i
n
all
y
s
ec
tio
n
5
co
n
clu
d
e
s
th
e
p
ap
er
.
In
[
1
4
]
in
ter
f
er
en
ce
av
o
id
an
ce
s
ch
e
m
e
w
a
s
p
r
o
p
o
s
ed
in
W
i
Ma
x
n
et
w
o
r
k
s
co
m
p
r
is
i
n
g
o
f
f
e
m
to
ce
lls
.
Fre
q
u
en
c
y
w
a
s
allo
ca
ted
d
y
n
a
m
icall
y
ta
k
i
n
g
i
n
to
ac
co
u
n
t
th
e
u
s
er
s
b
an
d
w
id
th
r
eq
u
ir
e
m
en
t.
T
h
e
o
b
j
ec
tiv
e
w
a
s
to
r
ed
u
ce
i
n
ter
f
er
en
ce
,
t
h
er
eb
y
i
m
p
r
o
v
e
n
et
w
o
r
k
s
y
s
te
m
ca
p
ac
it
y
.
T
h
e
d
r
a
w
b
ac
k
w
a
s
th
a
t
t
h
e
f
e
m
to
ce
lls
w
er
e
o
p
er
ated
an
d
m
an
a
g
ed
b
y
in
d
i
v
id
u
al
o
w
n
er
s
.
I
n
[
1
5
]
v
ar
io
u
s
Fre
q
u
en
c
y
r
es
u
s
e
s
ch
e
m
e
s
in
L
T
E
n
et
w
o
r
k
s
w
er
e
e
x
a
m
in
ed
to
o
v
er
co
m
e
in
ter
ce
ll
i
n
ter
f
er
en
ce
.
Fra
ctio
n
al
Fre
q
u
en
c
y
R
e
u
s
e
a
n
d
T
w
o
L
e
v
e
l
P
o
w
er
C
o
n
tr
o
l
(
T
L
P
C
)
s
ch
em
es
w
er
e
e
m
p
lo
y
ed
to
en
s
u
r
e
s
u
itab
le
i
n
n
er
r
atio
an
d
p
o
w
er
r
atio
w
er
e
p
r
o
v
id
er
ed
.
B
est
p
er
f
o
r
m
a
n
ce
w
as
attai
n
ed
w
h
en
f
air
t
h
r
o
u
g
h
p
u
t
w
a
s
a
s
s
u
m
ed
a
n
d
i
n
ter
ce
ll
i
n
ter
f
er
e
n
ce
w
a
s
r
ed
u
ce
d
co
n
s
id
er
ab
l
y
.
I
n
[
1
6
]
th
e
i
m
p
ar
t
o
f
F
FR
in
W
iMa
x
n
et
w
o
r
k
s
w
as
s
t
u
d
ied
an
d
t
h
e
r
es
u
lt
w
as
t
h
at
w
h
e
n
F
FR
w
it
h
a
r
e
u
s
e
f
ac
to
r
3
w
a
s
i
m
p
le
m
e
n
ted
,
it
r
ed
u
ce
d
in
ter
ce
ll
in
ter
f
er
en
ce
at
t
h
e
ce
ll e
d
g
e
zo
n
e
b
etter
w
it
h
a
co
r
r
esp
o
n
d
in
g
i
n
cr
ea
s
e
in
th
r
o
u
g
h
p
u
t
as
co
m
p
ar
ed
th
o
s
e
w
it
h
r
eu
s
e
f
ac
to
r
1
.
I
n
[
1
7
]
th
e
p
er
f
o
r
m
a
n
ce
o
f
FF
R
w
as
a
n
al
y
s
ed
in
ter
m
s
o
f
u
s
er
a
llo
ca
tio
n
.
T
h
r
ee
m
et
h
o
d
o
f
zo
n
es
al
lo
ca
tio
n
w
er
e
co
n
s
id
er
ed
,
SIN
R
-
b
ase,
Dis
tan
ce
-
b
ase
an
d
lo
ad
-
b
alan
ce
m
et
h
o
d
.
Ne
w
m
eth
o
d
s
e
m
er
g
ed
w
h
en
SIN
R
w
as
c
o
m
b
i
n
ed
w
it
h
lo
ad
-
b
alan
ce
an
d
SIN
R
co
m
b
i
n
e
d
w
it
h
u
s
er
ass
i
g
n
ed
p
er
l
o
ad
av
ailab
le.
C
o
m
b
in
g
th
e
s
e
t
w
o
g
av
e
b
ette
r
p
er
f
o
r
m
a
n
ce
t
h
en
w
h
e
n
SIN
R
o
r
d
is
tan
ce
w
a
s
co
n
s
id
er
ed
in
d
iv
id
u
al
l
y
.
2.
RE
SO
UR
CE
A
L
L
O
CA
T
I
O
N
T
h
is
s
ec
tio
n
co
m
p
ar
es
t
h
e
t
wo
r
eso
u
r
ce
allo
ca
tio
n
s
ch
e
m
e
s
to
b
e
u
s
ed
in
as
s
ig
n
i
n
g
th
e
av
ailab
le
r
eso
u
r
ce
s
b
et
w
ee
n
t
h
e
m
ac
r
o
c
ell
eNB
a
n
d
th
e
f
e
m
to
ce
lls
.
T
h
e
Fra
ctio
n
al
f
r
eq
u
e
n
c
y
R
e
u
s
e
s
ch
e
m
e
d
iv
id
es
t
h
e
co
v
er
ag
e
ar
ea
o
f
a
ce
ll i
n
to
t
wo
; th
e
i
n
n
er
zo
n
e
an
d
o
u
ter
zo
n
e.
I
n
t
h
e
C
o
m
p
lete
Fre
q
u
en
c
y
R
e
u
s
e
Sc
h
e
m
e
th
e
en
tire
a
v
ailab
le
b
an
d
w
id
t
h
i
s
s
h
ar
ed
a
m
o
n
g
th
e
n
e
ig
h
b
o
u
r
in
g
m
ac
r
o
ce
ll
eNB
s
a
n
d
th
e
f
e
m
to
ce
ll
s
ar
e
d
is
tr
ib
u
ted
a
m
o
n
g
t
h
e
eNB
s
in
s
u
c
h
a
m
a
n
n
er
t
h
at
a
f
e
m
to
ce
ll
in
a
p
ar
ticu
lar
ce
ll
ca
n
u
s
e
t
h
e
b
an
d
w
id
th
o
f
all
th
e
n
ei
g
h
b
o
u
r
in
g
ce
ll e
x
ce
p
tio
n
o
f
t
h
e
ce
ll in
w
h
ic
h
it is
lo
ca
ted
.
2
.
1
.
F
ra
ct
io
na
l
f
re
qu
ency
re
us
e
(
F
F
R)
T
h
e
FF
R
s
ch
e
m
e
w
as
d
e
v
elo
p
ed
to
o
v
er
co
m
e
th
e
li
m
itati
o
n
o
f
t
h
e
co
n
v
e
n
tio
n
al
f
r
eq
u
en
c
y
r
eu
s
e
s
ch
e
m
e.
I
n
th
e
F
FR
s
c
h
e
m
e,
th
e
eNB
co
v
er
ag
e
ar
ea
is
d
iv
id
ed
in
to
in
n
er
an
d
o
u
ter
zo
n
es
w
h
er
e
a
p
o
r
tio
n
o
f
th
e
av
ai
lab
le
b
an
d
w
id
th
is
a
s
s
ig
n
ed
to
th
e
in
n
er
zo
n
e
w
it
h
a
r
eu
s
e
f
ac
to
r
o
f
o
n
e
(
R
F=1
)
an
d
th
e
r
e
m
ai
n
i
n
g
b
an
d
w
id
t
h
a
s
s
i
g
n
ed
to
t
h
e
o
u
ter
zo
n
e
w
i
th
a
h
ig
h
er
r
e
u
s
e
f
ac
to
r
s
a
y
th
r
ee
o
r
h
i
g
h
er
.
T
h
e
ce
lls
in
t
h
e
o
u
te
r
zo
n
e
ar
e
ar
r
an
g
ed
in
s
u
ch
a
m
a
n
n
er
s
o
as
to
eli
m
in
ate
th
e
e
f
f
ec
t
o
f
s
u
c
h
i
n
ter
-
ce
ll
in
ter
f
er
e
n
ce
f
r
o
m
n
eig
h
b
o
u
r
i
n
g
ce
ll
s
[
1
8
]
as
s
h
o
w
n
in
t
h
e
F
i
g
u
r
e
1
.
T
h
is
s
ch
e
m
e
p
er
m
it
s
th
e
allo
ca
tio
n
o
f
i
d
en
tical
p
o
w
er
lev
e
l
in
t
h
e
d
o
w
n
li
n
k
at
h
i
g
h
d
ata
r
ate
[
1
9
]
.
On
e
v
er
y
i
m
p
o
r
tan
t
ch
ar
ac
ter
i
s
ti
c
o
f
t
h
i
s
s
c
h
e
m
e
as
p
o
in
ted
o
u
t
in
[
2
0
]
is
t
h
at
t
h
e
r
ad
iu
s
o
f
th
e
in
n
er
zo
n
e
m
a
cr
o
ce
ll
eNB
m
u
s
t
b
e
at
m
o
s
t
0
.
6
5
ti
m
es
th
e
r
ad
iu
s
o
f
th
e
o
u
ter
zo
n
e
m
ac
r
o
ce
ll e
NB
an
d
m
u
s
t
b
e
u
n
i
f
o
r
m
l
y
d
i
s
tr
ib
u
ted
to
en
s
u
r
e
t
h
r
o
u
g
h
p
u
t
m
a
x
i
m
izatio
n
[
2
1
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2
0
8
8
-
8708
R
a
n
d
o
m
a
cc
ess
imp
r
o
ve
men
t fo
r
M2
M c
o
mmu
n
ica
tio
n
in
LT
E
-
A
u
s
i
n
g
femto
ce
ll
(
E
r
ic
S
a
ck
ey
)
1155
Fig
u
r
e
1
.
Fra
ctio
n
al
f
r
eq
u
e
n
c
y
r
eu
s
e
s
c
h
e
m
e
2
.
2
.
Co
m
plet
e
f
re
qu
e
ncy
re
us
e
(
CF
R)
s
che
m
e
In
th
is
s
c
h
e
m
e,
th
e
to
tal
av
ai
lab
le
b
an
d
w
id
th
i
s
s
h
ar
e
a
m
o
n
g
t
h
e
n
ei
g
h
b
o
u
r
i
n
g
eNB
ce
lls
w
ith
a
r
eu
s
e
f
ac
to
r
o
f
s
a
y
s
ev
e
n
(
R
F
=7
)
.
T
h
e
Fem
to
ce
ll
ar
e
d
is
tr
ib
u
ted
a
m
o
n
g
th
e
s
e
eNB
in
s
u
ch
a
m
an
n
er
th
a
t
a
f
e
m
to
ce
ll i
n
a
n
y
p
ar
ticu
lar
eN
B
ce
ll c
an
u
s
e
th
e
b
an
d
w
id
th
o
f
all
s
u
r
r
o
u
n
d
in
g
eNB
ce
l
l e
x
ce
p
t th
e
eNB
ce
ll
i
n
w
h
ic
h
it
i
s
lo
ca
ted
.
T
h
e
C
FR
s
ch
e
m
e
is
s
u
p
er
io
r
to
th
e
FF
R
in
th
e
s
en
s
e
th
a
t
it
o
v
er
co
m
es
t
h
e
li
m
ita
tio
n
o
f
FF
R
.
I
n
t
h
e
C
F
R
,
t
h
e
f
r
eq
u
en
c
y
b
an
d
i
n
th
e
o
u
ter
zo
n
e
ca
n
b
e
p
ar
titi
o
n
ed
in
to
a
n
y
n
u
m
b
e
r
o
f
s
u
b
-
b
a
n
d
s
,
t
h
is
w
a
y
i
n
ter
f
er
en
ce
w
i
th
n
e
ig
h
b
o
u
r
in
g
ce
ll
s
i
s
av
o
id
ed
.
T
h
is
p
r
o
v
id
es
f
le
x
ib
ilit
y
i
n
th
e
s
u
b
-
b
an
d
allo
ca
tio
n
i
n
th
e
o
u
ter
zo
n
e
w
h
ic
h
is
v
er
y
i
m
p
o
r
ta
n
t i
n
t
h
e
r
ea
l
-
li
f
e
n
et
w
o
r
k
co
n
d
itio
n
.
C
o
m
p
lete
Fre
q
u
en
c
y
R
e
u
s
e
Sch
e
m
e
s
h
o
w
n
in
F
ig
u
r
e
2
.
Fig
ur
e
2
.
C
o
m
p
lete
f
r
eq
u
e
n
c
y
r
eu
s
e
s
c
h
e
m
e
3.
P
RO
B
L
E
M
F
O
R
M
UL
AT
I
O
N
T
h
is
s
ec
tio
n
p
r
esen
ts
a
m
a
th
e
m
atica
l
m
o
d
el
o
f
th
e
s
y
s
te
m
i
n
ter
m
s
o
u
tp
u
t p
r
o
b
ab
ilit
ies.
3
.
1
.
Sy
s
t
em
Ca
pa
cit
y
T
h
e
ca
p
ac
ity
f
o
r
M2
M
o
n
L
T
E
-
A
s
y
s
te
m
m
a
y
b
e
d
ef
in
ed
as
th
e
m
a
x
i
m
u
m
n
u
m
b
er
o
f
s
u
cc
e
s
s
f
u
l
r
eq
u
est
g
r
a
n
ted
i
n
ac
ce
s
s
i
n
g
“M
”
r
eso
u
r
ce
s
i
n
a
s
in
g
le
s
lo
t
[
2
2
]
.
T
h
er
e
ar
e
6
4
p
o
s
s
ib
le
r
eso
u
r
ce
s
av
ai
lab
le
i
n
ea
ch
s
lo
t [
2
3
]
.
T
h
e
ca
p
ac
ity
o
f
eNB
ca
n
b
e
ca
lcu
lated
as a
d
o
p
ted
f
r
o
m
[
2
4
]
.
B
A
D
C
E
F
G
B
A
D
C
E
F
G
B
A
D
C
E
F
G
B
A
D
C
E
F
G
B
A
D
C
E
F
G
B
A
D
C
E
F
G
B
A
D
C
E
F
G
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
9
,
No
.
2
,
A
p
r
il 2
0
1
9
:
1
1
5
3
-
1162
1156
*
(
)
+
(
)
*
(
(
)
)
+
(
1
)
w
h
er
e
M
r
ep
r
esen
t
s
t
h
e
n
u
m
b
er
o
f
r
eso
u
r
ce
s
a
v
ailab
le
to
t
h
e
eNB
.
L
i
k
e
w
is
e
th
e
ca
p
ac
it
y
o
f
t
h
e
Fe
m
to
ce
ll c
a
n
b
e
p
r
esen
ted
as
*
(
)
+
(
)
[
(
)
]
(
2
)
w
h
er
e
M
FC
r
ep
r
esen
t
s
th
e
r
es
o
u
r
ce
s
ass
i
g
n
ed
to
th
e
f
e
m
to
ce
ll.
I
n
th
e
FF
R
s
ch
e
m
e
s
i
n
c
e
th
e
to
tal
av
ailab
le
b
an
d
w
id
t
h
is
s
h
ar
ed
b
et
w
ee
n
t
h
e
eNB
in
t
h
e
i
n
n
er
zo
n
e
a
n
d
th
e
f
e
m
to
ce
ll
in
t
h
e
o
u
t
er
zo
n
e
as
d
ep
icted
in
th
e
F
ig
u
r
e
1
o
f
th
e
F
FR
s
c
h
e
m
e.
T
h
e
to
tal
r
eso
u
r
ce
is
g
iv
e
n
b
y
(
3
)
T
h
e
ca
p
ac
ity
o
f
t
h
e
FF
R
s
c
h
e
m
e
is
t
h
er
ef
o
r
e
g
i
v
e
n
as
*
(
)
+
(
)
*
(
)
+
(
4
)
C
FFR
=
C
as
in
E
q
u
a
tio
n
(
1
)
.
I
f
th
er
e
ar
e
β
n
u
m
b
er
s
o
f
eN
B
in
th
e
FF
R
s
c
h
e
m
e,
th
e
n
t
h
e
ca
p
ac
it
y
ca
n
b
e
o
b
tain
ed
b
y
(
5
)
I
n
th
e
C
FR
s
c
h
e
m
e
h
o
w
e
v
er
,
t
h
e
f
e
m
to
ce
ll
i
n
a
n
y
p
ar
tic
u
lar
eNB
u
s
e
s
all
t
h
e
a
v
ailab
le
b
a
n
d
w
id
t
h
i
n
th
e
n
e
ig
h
b
o
u
r
i
n
g
ce
l
ls
e
x
ce
p
t
th
e
v
er
y
eNB
ce
ll
i
n
w
h
ich
it
is
lo
ca
ted
.
T
h
e
C
FR
s
c
h
e
m
e
th
er
ef
o
r
e
h
a
s
t
h
e
ca
p
ab
ilit
y
to
i
m
p
r
o
v
e
th
e
s
y
s
te
m
’
s
ca
p
ac
it
y
.
T
h
e
ca
p
ac
it
y
o
f
th
e
f
e
m
to
ce
ll i
s
g
i
v
e
n
in
(
2
)
as
[
(
)
]
(
)
[
(
)
]
I
f
th
er
e
ar
e
N
Nu
m
b
er
o
f
f
e
m
to
ce
lls
i
n
ea
ch
eNB
ce
ll
an
d
if
th
e
f
e
m
to
ce
ll
h
av
e
t
h
e
s
a
m
e
r
eso
u
r
ce
s
as
t
h
e
eNB
.
T
h
en
th
e
ca
p
ac
it
y
o
f
C
F
R
s
c
h
e
m
e
i
s
o
b
tain
ed
b
y
(
)
(
6
)
B
u
t th
e
ca
p
ac
it
y
o
f
th
e
f
e
m
to
c
ell
is
th
e
s
a
m
e
a
s
th
e
ca
p
ac
it
y
o
f
th
e
eNB
(
7
)
(
)
I
f
th
er
e
ar
e
β eNB
ce
lls
,
th
e
n
t
h
e
ca
p
ac
it
y
o
f
t
h
e
C
FR
i
s
o
b
tain
ed
b
y
(
)
(
8
)
T
h
e
ca
p
ac
ity
o
f
t
h
e
C
FR
s
ch
e
m
e
h
a
s
o
u
tp
er
f
o
r
m
ed
t
h
e
ca
p
ac
it
y
o
f
F
FR
a
n
d
th
e
le
g
ac
y
L
T
E
s
y
s
te
m
.
3
.
2
.
P
r
o
ba
bil
it
y
o
f
s
ucce
s
s
in ra
nd
o
m
a
cc
e
s
s
cha
n
nel g
a
in
W
h
en
an
ar
ea
is
h
i
g
h
l
y
p
o
p
u
l
ated
w
it
h
M2
M
d
ev
ices,
co
n
g
esti
o
n
is
cr
ea
ted
o
n
t
h
e
R
AC
H
w
h
ic
h
in
t
u
r
n
d
eg
r
ad
es
t
h
e
p
er
f
o
r
m
a
n
ce
o
f
th
e
n
et
w
o
r
k
w
h
e
n
all
th
e
d
ev
ice
s
atte
m
p
t
to
ac
ce
s
s
th
e
n
et
w
o
r
k
s
i
m
u
lta
n
eo
u
s
l
y
.
T
h
is
h
ar
m
f
u
l
ef
f
ec
t
ca
n
b
e
m
iti
g
ated
b
y
i
n
j
ec
tin
g
m
o
r
e
ac
ce
s
s
(
Fe
m
to
ce
lls
)
p
o
in
t
s
i
n
to
t
h
e
n
et
w
o
r
k
a
n
d
allo
w
in
g
t
h
e
M
2
M
d
ev
ices
ac
ce
s
s
to
t
h
e
n
e
t
w
o
r
k
th
r
o
u
g
h
th
e
s
e
Fe
m
to
ce
lls
.
I
n
t
h
e
L
T
E
-
A
ce
llu
lar
n
e
t
w
o
r
k
,
p
r
o
b
ab
ilit
y
o
f
a
d
ev
ice
g
a
in
i
n
g
ac
ce
s
s
to
t
h
e
R
A
C
H
i
s
g
i
v
e
n
b
y
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2
0
8
8
-
8708
R
a
n
d
o
m
a
cc
ess
imp
r
o
ve
men
t fo
r
M2
M c
o
mmu
n
ica
tio
n
in
LT
E
-
A
u
s
i
n
g
femto
ce
ll
(
E
r
ic
S
a
ck
ey
)
1157
(
)
(
9
)
w
h
er
e
M
an
d
V
r
ep
r
esen
t
t
h
e
n
u
m
b
er
o
f
a
v
ailab
le
r
e
s
o
u
r
c
e
ass
i
g
n
ed
to
t
h
e
e
NB
an
d
t
h
e
n
u
m
b
er
o
f
u
s
er
s
r
esp
ec
tiv
el
y
.
I
n
th
e
Fe
m
to
ce
ll
b
ase
s
tatio
n
,
th
e
p
r
o
b
ab
ilit
y
o
f
a
d
ev
ic
e
g
ai
n
i
n
g
ac
ce
s
s
to
th
e
R
A
C
H
is
g
iv
e
n
b
y
(
)
(
1
0
)
w
h
er
e
M
F
an
d
V
F
r
ep
r
esen
t
t
h
e
r
eso
u
r
ce
s
ass
ig
n
ed
an
d
n
u
m
b
er
o
f
u
s
er
s
o
n
t
h
e
f
e
m
to
ce
ll
r
esp
ec
tiv
el
y
.
No
w
i
f
th
er
e
ar
e
N
f
e
m
to
ce
ll
s
i
n
ea
c
h
eNB
,
th
en
th
e
p
r
o
b
ab
ilit
y
o
f
a
M2
M
d
ev
ice
s
u
cc
es
s
f
u
ll
y
g
ain
i
n
g
ac
ce
s
s
to
t
h
e
R
A
C
H
is
o
b
tain
ed
b
y
(
∑
(
)
(
)
)
(
1
1
)
T
o
d
em
o
n
s
tr
ate
th
a
t M
2
M
d
ev
ices h
a
v
e
m
o
r
e
s
u
cc
es
s
p
r
o
b
ab
ilit
y
w
h
e
n
d
ep
lo
y
ed
i
n
th
e
Fe
m
to
ce
ll
th
an
w
h
e
n
th
e
y
ar
e
d
ep
lo
y
ed
i
n
th
e
eNB
w
it
h
o
u
t d
e
g
r
ad
in
g
t
h
e
p
er
f
o
r
m
a
n
ce
o
f
th
e
n
et
w
o
r
k
.
(
1
2
)
(
∑
(
)
(
)
)
(
)
(
1
3
)
{
(
∑
(
)
(
)
)
}
(
)
(
1
4
)
{
∑
(
)
(
)
(
)
(
)
}
(
1
5
)
{
(
)
(
)
}
(
1
6
)
b
u
t
(
)
(
)
(
1
7
)
(
)
(
)
(
1
8
)
L
is
t
o
f
f
o
u
r
ca
s
es to
d
r
i
v
e
h
o
m
e
th
is
p
o
in
t
:
a.
C
ase
1
T
h
e
r
eso
u
r
ce
s
ass
i
g
n
ed
to
th
e
Fe
m
to
ce
ll
ar
e
le
s
s
t
h
a
n
th
o
s
e
ass
i
g
n
ed
to
t
h
e
eNB
,
b
u
t
t
h
e
n
u
m
b
er
o
f
u
s
er
s
o
n
t
h
e
f
e
m
to
ce
ll
is
eq
u
al
to
th
e
n
u
m
b
er
o
f
u
s
er
s
o
n
th
e
eNB
.
T
h
u
s
M
F
<M
,
V
F
=V
,
b
y
i
n
p
u
tt
in
g
t
h
ese
in
to
(
1
8
)
.
(
)
(
)
I
n
w
h
ic
h
ca
s
e
{
(
)
(
)
}
(
1
9
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
9
,
No
.
2
,
A
p
r
il 2
0
1
9
:
1
1
5
3
-
1162
1158
b.
C
ase
2
T
h
e
r
eso
u
r
ce
s
ass
i
g
n
ed
to
th
e
f
e
m
to
ce
ll
ar
e
eq
u
al
to
th
o
s
e
ass
i
g
n
ed
to
th
e
eNB
a
n
d
th
e
n
u
m
b
er
o
f
u
s
er
s
o
n
th
e
f
e
m
to
ce
ll
is
eq
u
al
to
th
e
n
u
m
b
er
o
f
u
s
er
s
o
n
t
h
e
eNB
.
T
h
u
s
M
F
=M
a
n
d
V
F
=V
,
b
y
i
n
p
u
t
tin
g
th
e
s
e
in
to
(
1
8
)
.
(
)
(
)
(
2
0
)
c.
C
ase
3
T
h
e
r
eso
u
r
ce
s
a
s
s
i
g
n
ed
to
t
h
e
f
e
m
to
ce
ll
ar
e
eq
u
al
to
t
h
o
s
e
ass
i
g
n
ed
to
t
h
e
eNB
,
b
u
t
t
h
e
n
u
m
b
er
o
f
u
s
er
o
n
th
e
f
e
m
to
ce
ll
is
le
s
s
th
an
th
e
n
u
m
b
er
o
f
u
s
er
s
o
n
th
e
eNB
.
T
h
u
s
M
F
=M
b
u
t
V
F
<V
p
u
tti
n
g
t
h
ese
in
to
(
1
8
)
.
(
)
(
)
(
2
1
)
Sin
ce
M
F
=M
(
)
T
h
is
r
ep
r
esen
ts
t
h
e
id
ea
l
s
it
u
a
tio
n
s
i
n
ce
t
h
e
f
e
m
to
ce
ll
s
h
a
v
e
a
s
m
aller
co
v
er
a
g
e
ar
ea
an
d
th
er
ef
o
r
e
th
e
n
u
m
b
er
o
f
u
s
er
s
is
less
t
h
an
th
o
s
e
o
n
th
e
eNB
s
,
ev
e
n
th
o
u
g
h
th
e
y
m
a
y
h
a
v
e
th
e
s
a
m
e
r
eso
u
r
ce
s
ass
ig
n
ed
to
th
e
m
a
s
th
o
s
e
a
s
s
i
g
n
ed
to
t
h
e
eNB
s
.
d.
C
ase
4
T
h
e
r
eso
u
r
ce
s
ass
ig
n
ed
to
th
e
f
e
m
to
ce
ll
ar
e
less
th
a
n
th
o
s
e
ass
i
g
n
ed
to
th
e
eNB
an
d
th
e
n
u
m
b
er
o
f
u
s
er
s
o
n
t
h
e
f
e
m
to
ce
ll is
also
l
ess
t
h
an
t
h
e
n
u
m
b
er
o
f
u
s
er
s
o
n
th
e
eNB
.
T
h
u
s
M
F
<M
a
n
d
V
F
<V
.
Her
e
(
)
(
)
(
2
2
)
w
h
er
e
[
]
(
)
(
)
(
)
(
)
s
in
ce
M
F
<M
,
it c
a
n
b
e
co
n
clu
d
ed
th
at
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
3
.
3
.
Co
llis
io
n p
ro
ba
bil
it
y
P
r
o
b
ab
ilit
y
t
h
at
a
d
ev
ice
w
i
ll e
x
p
er
ien
ce
co
llis
io
n
o
n
t
h
e
R
AC
H
w
it
h
o
th
er
d
ev
ice
i
s
ex
p
r
ess
ed
as
(
)
(
2
3
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
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&
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m
p
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I
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N:
2
0
8
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R
a
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a
cc
ess
imp
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o
ve
men
t fo
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M2
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mmu
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LT
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1159
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o
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er
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g
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h
at
N
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er
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f
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m
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r
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d
ep
lo
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ed
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ea
c
h
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th
e
p
r
o
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a
b
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co
llis
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ex
p
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ed
as
{
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2
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T
o
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em
o
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ate
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Fe
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p
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n
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te
m
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2
5
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{
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T
h
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ab
o
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4.
P
E
RF
O
RM
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AL
YS
I
S
Fig
u
r
e
3
g
iv
e
s
a
co
m
p
ar
is
o
n
b
et
w
ee
n
th
e
C
FR
a
n
d
FF
R
s
c
h
e
m
e
s
an
d
h
o
w
t
h
e
n
u
m
b
er
o
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u
s
er
s
ca
n
s
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cc
e
s
s
f
u
ll
y
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ai
n
ac
ce
s
s
to
th
e
R
a
n
d
o
m
A
cc
e
s
s
Net
w
o
r
k
(
R
AN)
i
m
p
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o
v
e
s
th
e
ac
ce
s
s
ib
lit
y
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n
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er
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y
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cr
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e
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p
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it
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t
h
e
n
et
w
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I
t
ca
n
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e
o
b
s
er
v
ed
f
r
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m
t
h
e
f
ir
s
t
p
lo
t
o
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F
ig
u
r
e
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at
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e
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p
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it
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in
ter
m
s
o
f
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m
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er
o
f
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er
s
)
f
o
r
th
e
Fra
ctio
n
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Fre
q
u
e
n
c
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s
e
Sc
h
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e
to
t
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n
u
m
b
er
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s
w
a
s
li
n
ea
r
.
Ho
w
e
v
er
th
a
t
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o
m
p
lete
Fre
q
u
en
c
y
R
eu
s
e
i
s
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en
t
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o
f
Fra
ctio
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q
u
en
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e
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f
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1
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.
W
h
er
e
N
is
t
h
e
n
u
m
b
er
o
f
f
e
m
to
ce
ll
s
u
n
d
e
r
n
ea
th
ea
c
h
eNB
.
T
h
is
r
esu
l
t
is
an
i
m
p
r
o
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e
m
e
n
t
o
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th
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u
s
e
o
f
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ec
to
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te
n
n
a
s
an
d
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r
f
i
x
ed
f
r
eq
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e
n
c
y
ass
ig
n
m
e
n
t
in
t
h
at
w
h
e
n
t
h
e
a
v
ail
ab
le
b
an
d
w
id
t
h
i
s
d
iv
id
ed
a
m
o
n
g
s
t
t
h
e
v
ar
io
u
s
s
ec
to
r
an
ten
n
as
t
h
is
li
m
its
t
h
e
s
y
s
te
m
s
ca
p
ac
it
y
.
Ag
ai
n
w
it
h
t
h
e
f
ix
ed
f
r
eq
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en
c
y
ass
i
g
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e
n
t
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d
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tic
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lar
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ec
to
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d
it
is
n
o
t
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ti
lized
it
g
o
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waste.
T
h
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tech
n
iq
u
e
th
er
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o
r
e
o
f
f
er
s
an
ef
f
ec
ti
v
e
u
tili
za
tio
n
o
f
t
h
e
av
ailab
le
b
an
d
w
id
t
h
esp
ec
iall
y
to
th
e
ce
ll
eg
d
e
zo
n
e
u
s
er
s
an
d
th
e
r
es
u
lt
s
o
b
tai
n
ed
ar
e
f
air
l
y
s
i
m
ilar
to
t
h
o
s
e
FF
R
w
i
th
p
o
w
er
lev
el
co
n
tr
o
l
e
x
ce
p
t
t
h
at
i
ts
i
m
p
le
m
en
ta
tio
n
is
s
i
m
p
ler
.
T
h
is
tech
n
iq
u
e
also
eli
m
i
n
ate
s
t
h
e
co
m
p
u
tatio
n
al
co
m
p
lex
ities
as
s
o
ciate
d
w
it
h
d
y
n
a
m
ic
R
AN
m
et
h
o
d
s
.
Fro
m
th
e
o
n
s
et
o
f
t
h
is
tech
n
iq
u
e
t
h
e
M2
M
d
ev
ic
es
ca
n
ac
ce
s
s
t
h
e
n
et
w
o
r
k
t
h
r
o
u
g
h
b
o
th
th
e
eNB
s
an
d
th
e
f
e
m
to
ce
ll
s
,
o
n
ce
a
ce
r
tain
m
i
n
i
m
u
m
th
r
es
h
o
ld
n
u
m
b
er
is
a
ttai
n
ed
o
n
t
h
e
eNB
s
th
e
ac
ce
s
s
b
ar
r
in
g
m
ec
h
a
n
i
s
m
i
s
ac
tu
a
ted
to
p
r
e
v
en
t
t
h
e
eNB
s
f
r
o
m
b
ein
g
co
n
g
ested
an
d
t
h
er
eb
y
d
eg
r
ad
in
g
th
e
p
er
f
o
r
m
a
n
ce
o
f
th
e
eNB
s
.
Me
an
w
h
i
le
t
h
e
M
2
M
d
ev
ices
ca
n
co
n
t
i
n
u
e
to
ac
ce
s
s
t
h
e
n
et
w
o
r
k
t
h
r
o
u
g
h
t
h
e
Fe
m
to
ce
ll
s
.
T
h
i
s
i
m
p
lies
th
a
t
t
h
e
ac
ce
s
s
ib
ilit
y
a
n
d
ca
p
ac
it
y
o
f
t
h
e
M2
M
co
m
m
u
n
icat
io
n
s
y
s
te
m
s
ca
n
b
e
i
m
p
r
o
v
ed
b
y
i
n
j
ec
tin
g
m
o
r
e
f
e
m
to
ce
lls
i
n
to
th
e
n
et
wo
r
k
.
Fig
u
r
e
4
d
ep
icts
th
e
s
u
cc
ess
f
u
l
p
r
o
b
ab
ilit
y
o
f
a
d
ev
ice
g
ai
n
in
g
ac
ce
s
s
to
th
e
R
AN
v
ia
f
e
m
to
ce
lls
.
W
h
en
an
ar
ea
is
h
i
g
h
l
y
p
o
p
u
lated
w
it
h
M2
M
d
ev
ices,
th
e
p
o
s
s
ib
ilit
y
o
f
a
d
ev
ice
g
ain
i
n
g
ac
ce
s
s
to
th
e
R
A
C
H
b
ec
o
m
e
s
v
er
y
s
m
all.
W
it
h
t
h
e
in
j
ec
tio
n
o
f
m
o
r
e
HetNe
t
(
f
e
m
to
ce
lls
)
i
n
to
t
h
e
n
et
w
o
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k
,
t
h
e
p
o
s
s
ib
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y
o
f
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d
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ice
s
g
ai
n
i
n
g
ac
ce
s
s
to
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e
n
et
w
o
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i
n
cr
ea
s
es.
Si
n
ce
th
e
f
e
m
to
ce
lls
h
a
v
e
s
m
alle
r
co
v
er
ag
e
ar
ea
as
co
m
p
ar
ed
to
th
e
eNB
s
.
I
t
is
ex
p
ec
ted
th
at
th
e
n
u
m
b
er
o
f
u
s
er
s
o
n
t
h
e
f
e
m
to
ce
ll
m
u
s
t
also
b
e
s
m
all,
ev
e
n
th
o
u
g
h
th
e
n
u
m
b
er
o
f
r
eso
u
r
ce
s
ass
i
g
n
ed
to
th
e
f
e
m
to
ce
ll a
r
e
th
e
s
a
m
e
as t
h
o
s
e
ass
ig
n
ed
to
th
e
eNB
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
9
,
No
.
2
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A
p
r
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1
9
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1
1
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1160
Fig
u
r
e
3
.
C
o
m
p
ar
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o
n
o
f
c
h
a
n
n
el
ca
p
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it
y
g
ai
n
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et
w
ee
n
F
F
R
an
d
C
FR
Fig
u
r
e
4
.
P
r
o
b
ab
ilit
y
o
f
s
u
cc
e
s
s
f
u
l R
AC
H
ac
ce
s
s
g
ain
v
ia
Fe
m
to
ce
ll
T
h
e
n
u
m
b
er
o
f
u
s
er
s
o
n
th
e
f
e
m
to
ce
lls
i
s
ex
p
r
es
s
ed
as
a
p
er
ce
n
tag
e
o
f
th
e
n
u
m
b
er
o
f
u
s
er
s
o
n
t
h
e
eNB
s
.
I
t
ca
n
b
e
i
n
f
er
r
ed
f
r
o
m
th
e
p
lo
ts
o
f
F
i
g
u
r
e
4
,
th
at
w
h
e
n
t
h
e
n
u
m
b
er
o
f
u
s
er
s
o
n
t
h
e
f
e
m
to
ce
ll
i
s
lo
w
t
h
e
p
o
s
s
ib
ilit
y
o
f
a
d
ev
ice
g
ai
n
i
n
g
ac
ce
s
s
to
t
h
e
n
et
w
o
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w
a
s
h
i
g
h
.
A
s
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e
n
u
m
b
er
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e
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RE
F
E
R
E
NC
E
S
[1
]
A
.
G
h
o
sh
,
R.
Ra
tas
u
k
,
B.
M
o
n
d
a
l,
Niti
n
M
a
n
g
a
lv
e
d
h
e
a
n
d
T
.
T
h
o
m
a
s,
“
LT
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-
a
d
v
a
n
c
e
d
:
Ne
x
t
G
e
n
e
ra
ti
o
n
W
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ss
Br
o
a
d
b
a
n
d
T
e
c
h
n
o
l
o
g
y
,
”
IEE
E
W
ire
les
s Co
mm
u
n
ica
ti
o
n
s
,
Vo
l.
1
7
,
No
.
3
,
p
p
.
1
0
-
2
2
,
Ju
n
e
2
0
1
0
.
[2
]
A
.
Kh
a
n
d
e
k
a
r,
N.
Bh
u
sh
a
n
,
J.
T
in
g
f
a
n
g
a
n
d
V
.
V
a
n
g
h
i,
“
LT
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-
a
d
v
a
n
c
e
d
:
He
tero
g
e
n
e
o
u
s
Ne
tw
o
rk
s
,
”
2
0
1
0
Eu
ro
p
e
a
n
W
ire
les
s Co
n
fer
e
n
c
e
,
p
p
.
9
7
8
-
9
8
2
,
2
0
1
0
.
[3
]
D.
Ka
i,
L
.
Zh
a
n
ju
n
,
Z.
S
h
iy
a
n
,
R.
W
e
i
y
i
a
n
d
L
.
W
e
i,
“
Re
se
a
rc
h
o
n
Re
so
u
rc
e
A
ll
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c
a
ti
o
n
Ba
se
d
o
n
Cl
u
ste
rin
g
F
e
m
to
c
e
ll
N
e
t
w
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rk
s
,
”
In
d
o
n
e
sia
n
J
o
u
rn
a
l
o
f
El
e
c
trica
l
En
g
in
e
e
ri
n
g
a
n
d
Co
m
p
u
ter
S
c
ien
c
e
(
IJ
EE
CS
)
,
Vo
l.
7
,
No
.
1
,
Ju
ly
2
0
1
7
,
p
p
.
1
3
8
-
1
4
9
,
DO
I:
1
0
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1
1
5
9
1
/
ij
e
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c
s.v
7
.
i1
.
p
p
1
3
8
-
1
4
9
.
[4
]
K.
Od
e
y
e
m
i
a
n
d
E.
Og
u
n
ti
,
“
C
a
p
a
c
it
y
En
h
a
n
c
e
m
e
n
t
f
o
r
Hig
h
Da
ta
Ra
te
W
irele
ss
Co
m
m
u
n
ica
ti
o
n
S
y
ste
m
,
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In
ter
n
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t
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a
l
J
o
u
r
n
a
l
o
f
El
e
c
trica
l
a
n
d
Co
mp
u
ter
En
g
i
n
e
e
rin
g
(
IJ
ECE
)
,
V
o
l.
4
,
No
.
5
,
Oc
to
b
e
r
2
0
1
4
,
p
p
.
8
0
0
-
8
0
9
,
IS
S
N:
2
0
8
8
-
8
7
0
8
.
[5
]
Cisc
o
W
h
it
e
P
a
p
e
r,
“
Cisc
o
v
isu
a
l
Ne
t
w
o
rk
In
d
e
x
:
G
lo
b
a
l
M
o
b
i
le
Da
ta
T
ra
ff
ic
F
o
re
c
a
st
Up
d
a
te
”
,
2
0
1
5
-
2
0
2
”
,
F
e
b
ru
a
ry
3
,
2
0
1
6
.
[6
]
O.
Ha
y
o
u
n
g
a
n
d
L
.
S
a
n
g
so
o
n
,
“
L
i
g
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t
-
we
ig
h
t
ro
u
ti
n
g
p
ro
t
o
c
o
l
in
Io
T
-
b
a
se
d
in
ter
-
d
e
v
ic
e
tele
c
o
m
m
u
n
ica
ti
o
n
w
irele
ss
e
n
v
iro
n
m
e
n
t”,
In
ter
n
a
t
i
o
n
a
l
J
o
u
rn
a
l
o
f
El
e
c
trica
l
a
n
d
C
o
mp
u
ter
En
g
in
e
e
rin
g
(
IJ
ECE
)
,
Vo
l.
6
N
o
.
5
,
p
p
.
2
3
5
5
2
-
2
3
6
1
,
IS
S
N:
2
0
8
8
-
8
7
0
8
,
O
c
to
b
e
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2
0
1
6
.
DO
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0
.
1
1
5
9
1
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jec
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v
6
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1
0
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0
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[7
]
S
.
De
sw
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l
a
n
d
A
.
S
ig
h
ro
v
a
,
“
A
V
e
rti
c
a
l
Ha
n
d
o
v
e
r
A
l
g
o
rit
h
m
in
In
teg
ra
ted
M
a
c
ro
c
e
ll
–
F
e
m
to
c
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ll
Ne
t
w
o
rk
s
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In
ter
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t
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l
J
o
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rn
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l
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f
El
e
c
trica
l
a
n
d
C
o
mp
u
ter
En
g
in
e
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rin
g
(
IJ
ECE
)
,
Vo
l.
7
,
No
.
1
,
p
p
.
2
9
9
-
3
0
8
,
I
S
S
N:
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]
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ra
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n
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terf
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c
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u
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re
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n
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f
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A
Ne
t
w
o
rk
s,”
8
th
In
ter
n
a
ti
o
n
a
l
S
y
mp
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o
n
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n
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ti
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i
n
M
o
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d
Ho
c
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a
n
d
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ra
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2
0
1
0
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p
p
.
2
7
3
-
2
7
7
[9
]
“
3
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r,
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e
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l
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o
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ss
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r
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li
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ss
iv
e
M
2
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ra
ff
ic
in
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E
-
A
Ne
t
w
o
rk
s
,”
2016
IEE
E
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
Co
mm
u
n
ica
t
io
n
s (
ICC)
,
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a
la L
u
m
p
u
r,
p
p
.
1
-
6
,
2
0
1
6
.
[1
3
]
J.
P
a
rk
a
n
d
Y.
L
im
,
“
A
d
a
p
ti
v
e
A
c
c
e
ss
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ss
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rrin
g
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e
th
o
d
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r
m
a
c
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e
n
e
ra
ted
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m
m
u
n
ic
a
ti
o
n
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o
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il
e
In
fo
rm
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t
io
n
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y
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ms
,
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o
l
.
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0
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6
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0
1
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),
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4
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6
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6
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2
3
5
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[1
4
]
S
.
S
.
Ha
n
,
J.
P
a
rk
,
T
.
L
e
e
,
H.
G
.
A
h
n
a
n
d
K.
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n
g
,
“
A
Ne
w
F
re
q
u
e
n
c
y
P
a
rti
ti
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n
in
g
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n
d
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ll
o
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ti
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n
o
f
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u
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ra
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l
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re
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y
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se
in
M
o
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e
Co
m
m
u
n
ica
ti
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n
S
y
ste
m
s,”
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CE
T
ra
n
sa
c
ti
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n
s
o
n
Co
mm
u
n
ica
ti
o
n
s
,
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o
l
.
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9
1
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u
e
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,
p
p
2
7
4
8
-
2
7
5
1
,
2
0
0
8
.
[1
5
]
R.
G
iu
li
a
n
o
,
C.
M
o
n
ti
a
n
d
P
.
L
o
re
ti
,
“
W
i
m
a
x
F
ra
c
ti
o
n
a
l
F
re
q
u
e
n
c
y
Re
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se
f
o
r
Ru
ra
l
En
v
iro
n
m
e
n
ts,
”
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E
W
ire
le
ss
Co
mm
u
n
ica
ti
o
n
s
,
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o
l.
1
5
,
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u
e
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.
3
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p
6
0
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5
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0
0
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I:1
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9
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C.
2
0
0
8
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4
5
4
7
5
2
4
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6
]
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.
T
e
e
m
u
,
L
.
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n
u
a
n
d
L
.
Ju
k
k
a
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p
lo
y
m
e
n
t
o
f
M
o
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il
e
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ima
x
in
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a
n
E
n
v
iro
n
m
e
n
t,
”
11
th
In
te
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ti
o
n
a
l
S
y
mp
o
si
u
m o
n
W
ire
les
s P
e
rs
o
n
a
l
M
u
lt
ime
d
ia
C
o
mm
u
n
ica
ti
o
n
s (
W
PM
C)
,
2
0
0
8
.
[1
7
]
I.
N.
S
ti
a
k
o
g
ian
n
a
k
is
a
n
d
D.
I.
Ka
k
la
m
a
n
i,
“
F
a
c
ti
o
n
a
l
F
re
q
u
e
n
c
y
Re
u
se
T
e
c
h
n
iq
u
e
s
f
o
r
M
u
lt
i
-
Ce
ll
u
lar
W
i
m
a
x
Ne
tw
o
rk
s,”
21
st
An
n
u
a
l
IEE
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I
n
t
e
rn
a
ti
o
n
a
l
S
y
mp
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si
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m
o
n
Per
so
n
a
l,
In
d
o
o
r
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n
d
M
o
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le
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mm
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n
i
c
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ti
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n
s
,
2
0
1
0
,
p
p
.
2
4
3
2
-
2
4
3
7
,
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I:
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0
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1
1
0
9
/
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I
M
RC.2
0
1
0
.
5
6
7
1
7
2
8
[1
8
]
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.
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a
e
in
a
b
i,
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S
a
n
d
ra
se
g
a
ra
n
a
n
d
X
.
Z
h
u
,
“
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n
In
terc
e
ll
In
ter
fe
re
n
c
e
Co
o
rd
in
a
ti
o
n
S
c
h
e
m
e
in
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E
Do
w
n
li
n
k
Ba
se
d
o
n
Us
e
r
P
r
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rit
y
a
n
d
F
u
z
z
y
lo
g
ic S
y
ste
m
,
”
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ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
W
ire
les
s a
n
d
M
o
b
il
e
Ne
two
rk
s (
IJ
M
M
N)
,
V
o
l
.
5
,
Iss
u
e
No
.
4
,
p
p
.
1
-
16
,
A
u
g
u
st,
2
0
1
3
.
[1
9
]
V
.
Re
k
h
a
,
“
In
ter
-
Ce
ll
I
n
terf
e
re
n
c
e
M
it
ig
a
ti
o
n
in
L
o
n
g
T
e
r
m
Ev
o
lu
ti
o
n
Ne
tw
o
rk
s:
A
S
u
rv
e
y
,
”
I
n
d
i
a
J
o
u
rn
a
l
o
f
S
c
ien
c
e
a
n
d
T
e
c
h
n
o
l
o
g
y
,
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l.
9
(
4
8
),
DO
I:
1
0
.
1
7
4
8
5
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jst/
2
0
1
6
/v
9
i4
8
/1
0
7
9
9
5
,
IS
S
N:
0
9
7
4
-
5
6
4
5
[2
0
]
N.
S
a
q
u
i
b
,
E
.
Ho
ss
a
in
a
n
d
D.
I
.
Kim
,
“
F
ra
c
ti
o
n
a
l
F
re
q
u
e
n
c
y
Re
u
s
e
f
o
r
In
terf
e
r
e
n
c
e
M
a
n
a
g
e
m
e
n
t
in
L
T
E
-
A
d
v
a
n
c
e
d
He
tNe
ts,
”
in
IEE
E
W
ire
les
s
Co
mm
u
n
ica
ti
o
n
s
,
V
o
l
.
2
0
,
No
.
2
,
P
P
.
1
1
3
-
1
2
2
,
A
p
r
il
2
0
1
3
,
DO
I;
1
0
.
1
1
0
9
/
M
W
C.
2
0
1
3
.
6
5
0
7
4
0
2
.
[2
1
]
M
.
T
.
Ka
w
s
e
r,
M
.
R.
Isla
m
,
K
.
I.
A
h
m
e
d
,
M
.
R.
Ka
rim
a
n
d
J.
B.
S
a
if
,
“
Eff
icie
n
t
Re
so
u
rc
e
A
ll
o
c
a
ti
o
n
a
n
d
S
e
c
to
riza
ti
o
n
f
o
r
F
ra
c
ti
o
n
a
l
F
re
q
u
e
n
c
y
Re
u
se
(
FFR
)
i
n
LT
E
F
e
m
to
c
e
ll
S
y
ste
m
s,”
Ap
p
li
c
a
ti
o
n
s
o
f
W
ire
les
s
Co
mm
u
n
ica
ti
o
n
s,
R
a
d
i
o
E
n
g
in
e
e
rin
g
,
Vo
l.
2
4
,
No
.
4
,
2
0
1
5
,
DO
I:
1
0
.
1
3
1
6
4
/re.
2
0
1
5
.
0
9
4
0
[2
2
]
T
.
M
.
L
in
,
C.
H.
Lee
,
J.
P
.
Ch
e
n
g
a
n
d
W
.
T
.
Ch
e
n
,
“
P
RA
D
A
:
P
r
io
rit
ize
d
Ra
n
d
o
m
A
c
c
e
ss
w
it
h
D
y
n
a
m
i
c
Ac
c
e
s
s
Ba
rrin
g
f
o
r
M
T
C
in
3
G
P
P
L
T
E
-
A
Ne
t
w
o
rk
s,”
in
IEE
E
tr
a
n
sa
c
ti
o
n
s
o
n
v
e
h
icu
l
a
r
tec
h
n
o
lo
g
y
,
V
o
l.
6
3
,
N
o
.
5
,
p
p
.
2
4
6
7
-
2
4
7
2
,
DO
I:
1
0
.
1
1
0
9
/T
V
T
.
2
0
1
3
.
2
2
9
0
1
2
8
[2
3
]
3
G
P
P
ET
S
I
T
S
1
3
6
2
1
1
V1
0
.
4
.
0
(
2
0
1
2
-
0
1
),
L
T
E:
Ev
o
lv
e
d
Un
iv
e
rs
a
l
T
e
rr
e
strial
Ra
d
io
A
c
c
e
ss
(E
-
U
T
R
A
);
P
h
y
sic
a
l
Ch
a
n
n
e
ls
a
n
d
M
o
d
u
lati
o
n
(
3
G
P
P
T
S
3
6
.
2
1
1
v
e
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n
1
0
.
4
.
9
Re
lea
se
1
0
)
p
p
.
4
7
[2
4
]
K.S
.
Ko
,
M
.
J.
Kim
,
K.
Y.
Ba
e
,
D
.
K.
S
u
n
g
,
J.
H.
K
im
a
n
d
J.
Y.
A
h
n
,
“
A
No
v
e
l
Ra
n
d
o
m
Ac
c
e
s
s
f
o
r
F
ix
e
d
L
o
c
a
ti
o
n
M
a
c
h
in
e
to
M
a
c
h
i
n
e
Co
m
m
u
n
i
c
a
ti
o
n
s
i
n
OFDM
A
Ba
se
d
S
y
ste
m
s,
”
in
IEE
E
Co
mm
u
n
ica
ti
o
n
s
L
e
tt
e
r
s
,
V
o
l
.
1
6
,
No
.
9
,
p
p
.
1
4
2
8
-
1
4
3
1
,
S
e
p
tem
b
e
r
2
0
1
2
.
B
I
O
G
RAP
H
I
E
S
O
F
AUTH
O
RS
Er
ic
S
a
c
k
e
y
re
c
e
iv
e
d
h
is
M
.
T
e
c
h
d
e
g
re
e
f
ro
m
th
e
d
e
p
a
rtm
e
n
t
o
f
El
e
c
tro
n
ic
a
n
d
Co
m
m
u
n
ica
ti
o
n
s
En
g
in
e
e
rin
g
,
S
RM
Un
iv
e
rsit
y
,
Ch
a
n
n
a
i,
In
d
ia.
He
re
c
e
iv
e
d
h
is
Ba
c
h
e
lo
r’s
d
e
g
re
e
in
El
e
c
tro
n
ics
a
n
d
Co
m
m
u
n
ica
ti
o
n
s
En
g
i
n
e
e
rin
g
f
ro
m
All
Na
ti
o
n
s
Un
iv
e
rsity
Co
ll
e
g
e
,
Ko
f
o
rid
u
a
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l.
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