RADWIN
2000
C
Plus
User
Manual
Release
3.5.70
18
‐
3
Antenna
Height
Chapter
18
Antenna
Height
The
recommended
antenna
height
required
for
line
of
sight
is
calculated
as
the
sum
the
Fresnel
zone
height
and
the
boresight
height.
See
below.
Using
the
notation
of
below,
splitting
ExpectedRange
into
d
1
+
d
2
,
the
Fresnel
zone
height
at
distance
d
1
from
the
left
hand
antenna,
is
given
by
For
the
most
conservative
setting,
we
take
the
mid
‐
point
between
the
antennas,
setting
which
gives
simplifying
to
.
The
boresight
clearance
height
is
calculated
as:
where
.
About
the
Fresnel
Zone
The
Fresnel
zone
(pronounced
"frA
‐
nel",
with
a
silent
“s”)
is
an
elliptically
shaped
conical
zone
of
electromagnetic
energy
that
propagates
from
the
transmitting
antenna
to
the
receiving
antenna.
It
is
always
widest
in
the
middle
of
the
path
between
the
two
antennas.
Availability
1 6
–
10
7
–
Cfactor
frequency
GHz
RequiredRange
KM
3
10
ExpectedFadeM
in
arg
–
10
------------------------------------------------------------
=
0.6
300
frequency
GHz
-----------------------------------
d
1
d
2
d
1
d
2
+
-----------------------------------------------------------
d
1
d
2
ExpectedRange
2
-----------------------------------------
=
=
0.6
300
frequency
GHz
-----------------------------------
ExpectedRange
2
-----------------------------------------
2
ExpectedRange
2
-----------------------------------------
ExpectedRange
2
-----------------------------------------
+
--------------------------------------------------------------------------------------------
0.52
ExpectedRange
frequency
GHz
-----------------------------------------
R
2
Mean
ExpectedRange
2
-----------------------------------------
2
+
R
Mean
–
R
Mean
6367.4425
Km
=
Summary of Contents for 2000 C PLUS
Page 1: ...USER MANUAL RADWIN 2000 C PLUS POINT TO POINT BROADBAND WIRELESS Release 3 5 70...
Page 17: ...Part 1 Basic Installation Release 3 5 70...
Page 139: ...Part 2 Site Synchronization Release 3 5 70...
Page 166: ...Part 3 Advanced Installation Topics Release 3 5 70...
Page 167: ...RADWIN 2000 C Plus User Manual Release 3 5 70 12 1 Chapter 12 Reserved...
Page 188: ...RADWIN 2000 C Plus User Manual Release 3 5 70 17 1 Chapter 17 Reserved...
Page 189: ...Part 4 Field Installation Topics Release 3 5 70...
Page 219: ...Part 5 Product Reference Release 3 5 70...
Page 296: ......