Antenna.pdf

Technical Information and New Products Cellular Systems

Antennen . Electronic

Advanced Xpol Antenna Standards Kathrein Xpol antennas for polarization diversity

so-called “Cross-polar ratio (CPR)“, i.e. the ratio

represent the latest development stage in anten-

of the signal levels of similar polarizations com-

na technology. An ever increasing number of net-

pared to dissimilar polarizations. The CPR should

work operators are coming to appreciate the real

be quoted for the whole sector width (+/- 60°), not

advantages of only having to install 3 dual +/- 45°

 just for the main radiating direction.

polarized antennas for a complete 3 sector site, where previously 6 or 9 vertically polarized anten-

The antenna gain is already considerably redu-

nas had to be installed.

ced at the sector edges, therefore a CPR as high as possible is desired. The system suppliers

For polarization diversity to function properly it is

demand at least 10 dB for +/- 60° from the main

very important that the different polarized signals

direction. Kathrein Xpol antennas more than fulfil

are as independent as possible of each other

these requirements in this critical area.

(principle of uncorrelated signals). The most

Antennen . Electronic

Most of the Xpol antennas on the market are

plate, the radome now consists of a closed, self-

based on the so-called patch technology and on

supporting fibre-glass profile into which the metal

printed circuit boards for power-splitting purpo-

parts of the antenna are inserted. There are no

ses. Kathrein, however, have for many years

drill-holes at all in the profile which is closed by

used the proven dipole-type technology together

two end caps with short sealing rings. This com-

with a low-loss cable harness, which clearly

pletely closed design offers ideal permanent pro-

offers more opportunities for perfecting certain

tection against environmental influences and also

antenna characteristics.

increases the mechanical stability of the antennas.

We present the new, so-called „A-Panels“ as our concept for the 900 MHz Xpol antenna range. We

Apart from the existing comprehensive range of

adapted the excellent and well proven mechani-

Xpol antennas which can be found in our catalo-

cal design used in our range of GSM 1800 anten-

gues, we now also have low gain versions for

nas for these A-Panels. Instead of a fibre-glass

GSM 900 with a length of 656 mm.

cover screwed and sealed to an aluminium back-

Eurocell A-Panel – Dual Polarization 65°Half-power Beam Width 739 620 Two independent systems for +45°and -45°polarization

   9

XPol A-Panel 800/900 65°12.5dBi Type No. Input Connector position Frequency range VSWR Gain Impedance Polarization Front-to-back-ratio, copolar Half-power beam width

Isolation Max. power per input Weight Wind load

72 64

739 620 2 x 7-16 female Bottom or top 806 – 960 MHz < 1.5 2 x 12.5 dBi (870 – 960 MHz) 2 x 12 dBi (806 – 870 MHz) 50 Ω +45°, -45° > 30 dB +45°polarization Horizontal: 65°, vertical: 27° -45°polarization Horizontal: 65°, vertical: 27° > 30 dB 500 Watt (at 50 °C ambient temperature) 6 kg Frontal: 110 N (at 150 km/h) Lateral: 60 N (at 150 km/h) Rearside: 240 N (at 150 km/h)

   6   0   0    5   1   5    6   7   7

58

+45

-45

°

°

262 Bottom view

   6    1    1

Eurocell A-Panel – Dual Polarization 90°Half-power Beam Width 739 646 Two independent systems for +45°and -45°polarization

   9

XPol A-Panel 800/900 90°11dBi Type No. Input Connector position Frequency range VSWR Gain Impedance Polarization Front-to-back-ratio, copolar Half-power beam width

Isolation Max. power per input Weight Wind load

72 64

739 646 2 x 7-16 female Bottom or top 806 – 960 MHz < 1.5 2 x 11 dBi (870 – 960 MHz) 2 x 10.5 dBi (806 – 870 MHz) 50 Ω +45°, -45° > 25 dB +45°polarization Horizontal: 90°, vertical: 36° -45°polarization Horizontal: 90°, vertical: 36° > 30 dB 500 Watt (at 50 °C ambient temperature) 6 kg Frontal: 110 N (at 150 km/h) Lateral: 60 N (at 150 km/h) Rearside: 240 N (at 150 km/h)

   6   0   0    5   1   5    6   7   7

58

+45

-45

°

°

262 Bottom view

   6    1    1

Antennen . Electronic

Dual Band Xpol Antennas for GSM 900 and GSM 1800 The demand for Dual Band Antennas is constant-

ning of 1999 Kathrein will be launching sophisti-

ly increasing as ever more GSM 900 operators

cated Dual Band Antennas which are able to ope-

are also getting GSM 1800 licences. A few simple

rate

versions are already available on the market, i.e.

interlocked radiating elements for both 900 MHz

versions for vertical polarization or antennas with

and 1800 MHz, whereby the antenna length is

dual-polarization, where the 900 MHz and 1800

determinated by a single band 900 MHz version.

MHz systems are arranged separately, one

Moreover, two different versions will be available:

in

the

cross-polarization

above the other. At the end of 1998 resp. beginCircuit diagram A

Circuit diagram B

XXPol Dual Band Antenna

XXPol Dual Band Antenna

 _ 

Two Dual Band Combiners (C) are integrated

mode

with

Antennen . Electronic

Kathrein Dual Band Antennas therefore offer the following advantages: 1. Only one antenna is required for both bands.

4. The solution using integrated combiners leads to considerable savings in feeder cables; if an

2. All the advantages of Kathrein’s single band

existing site is upgraded no further feeder cables

Xpol antennas also apply to Kathrein’s Dual Band

are required apart from those already installed.

Antennas. 5. The enclosed data sheets nos. 741 320 / 741 3. The dimensions are identical to those of a pure

322 and 741 326 / 741 327 show antenna versi-

900 MHz Antenna. If an existing GSM 900 station

ons of 1.3 m and 2 m length. We are also plan-

is extended to become a GSM 900 / 1800 station

ning to introduce further versions with lengths of

the appearance, wind load and the type of attach-

0.65 m und 2.6 m.

ment will all remain unaltered.

Eurocell A-Panel – Dual Polarization Dual Band GSM 900 / 1800 MHz Antenna 65°Half-power Beam Width, Type No. 741 320 Four independent systems: GSM 900 +45°Polarization GSM 1800 +45°Polarization GSM 900 –45°Polarization GSM 1800 –45°Polarization

with integrated dual band combiner to one 7-16 female input with integrated dual band combiner to one 7-16 female input

XXPol A-Panel 900/1800 C 65°/60° 15/17dBi Type No. Frequency range VSWR Gain Impedance Polarization Front-to-back-ratio (copolar) Half-power beam width

Max. power Isolation Input Connector position Weight Wind load

741 320 GSM 900: GSM 1800: 870 – 960 MHz 1710 – 1880 MHz < 1.5 < 1.5 2 x 15 dBi 2 x 17 dBi 50 Ω 50 Ω +45°, -45° +45°, -45° > 30 dB > 30 dB +45°/ -45° +45°/ -45°  – Horizontal: 65° – Horizontal: 60°  – Vertical: 14° – Vertical: 8° 250 Watt 150 Watt (at 50 °C ambient temperature) > 30 dB 2 x 7-16 female Bottom or top 13 kg Frontal: 220 N (at 150 km/h) Lateral: 140 N (at 150 km/h) Rearside: 490 N (at 150 km/h)

   9

72 64

   6   0   0    9   5   9    2   3   3    1   1   1

Eurocell A-Panel – Dual Polarization Dual Band GSM 900 / 1800 MHz Antenna 65°Half-power Beam Width, Type-No. 741 326 Four independent systems: GSM 900: +45°Polarization GSM 900: –45°Polarization GSM 1800: +45°Polarization GSM 1800: –45°Polarization

   9

72 64

XXPol A-Panel 900/1800 65°/60° 15/17dBi Type No. Frequency range VSWR Gain Impedance Polarization Front-to-back-ratio (copolar) Half-power beam width

Max. power per input Isolation

Input Connector position Weight Wind load

741 326 GSM 900: GSM 1800: 870 – 960 MHz 1710 – 1880 MHz < 1.5 < 1.5 2 x 15 dBi 2 x 17 dBi 50 Ω 50 Ω +45°, -45° +45°, -45° > 30 dB > 30 dB +45°/ -45° +45°/ -45°  – Horizontal: 65° – Horizontal: 60°  – Vertical: 14° – Vertical: 8° 400 Watt 200 Watt (at 50 °C ambient temperature) > 30 dB (GSM 900 – GSM 900)9 > 30 dB (GSM 1800 – GSM 1800) > 30 dB (GSM 900 – GSM 1800) 4 x 7-16 female Bottom or top 13 kg Fr tal 220 N ( t 150 k /h)

   6   0   0    9   5   9    2   3   3    1   1   1

Eurocell A-Panel – Dual Polarization Dual Band GSM 900 / 1800 MHz Antenna 65°Half-power Beam Width, Type No. 741 322 Four independent systems: GSM 900 +45°Polarization GSM 1800 +45°Polarization GSM 900 –45°Polarization GSM 1800 –45°Polarization

with integrated dual band combiner to one 7-16 female input with integrated dual band combiner to one 7-16 female input

XXPol A-Panel 900/1800 C 65°/60° 17/18.5dBi Type No. Frequency range VSWR Gain Impedance Polarization Front-to-back-ratio (copolar) Half-power beam width

Max. power Isolation Input Connector position Weight Wind load

741 322 GSM 900: GSM 1800: 870 – 960 MHz 1710 – 1880 MHz < 1.5 < 1.5 2 x 17 dBi 2 x 18.5 dBi 50 Ω 50 Ω +45°, -45° +45°, -45° > 30 dB > 30 dB +45°/ -45° +45°/ -45°  – Horizontal: 65° – Horizontal: 60°  – Vertical: 9° – Vertical: 5.5° 250 Watt 150 Watt (at 50 °C ambient temperature) > 30 dB 2 x 7-16 female Bottom or top 19 kg Frontal: 330 N (at 150 km/h) Lateral: 200 N (at 150 km/h) Rearside: 770 N (at 150 km/h)

   9

72 64

   6   0   0    3   9   3    9   9   0    1   1   2

Eurocell A-Panel – Dual Polarization Dual Band GSM 900 / 1800 MHz Antenna 65°Half-power Beam Width, Type-No. 741 327 Four independent systems: GSM 900: +45°Polarization GSM 900: –45°Polarization GSM 1800: +45°Polarization GSM 1800: –45°Polarization XXPol A-Panel 900/1800 65°/60° 17/18.5dBi Type No. Frequency range VSWR Gain Impedance Polarization Front-to-back-ratio (copolar) Half-power beam width

Max. power per input Isolation

Input Connector position Weight Wind load

   9

72 64

741 327 GSM 900: GSM 1800: 870 – 960 MHz 1710 – 1880 MHz < 1.5 < 1.5 2 x 17 dBi 2 x 18.5 dBi 50 Ω 50 Ω +45°, -45° +45°, -45° > 30 dB > 30 dB +45°/ -45° +45°/ -45°  – Horizontal: 65° – Horizontal: 60°  – Vertical: 9° – Vertical: 5.5° 400 Watt 200 Watt (at 50 °C ambient temperature) > 30 dB (GSM 900 – GSM 900)9 > 30 dB (GSM 1800 – GSM 1800) > 30 dB (GSM 900 – GSM 1800) 4 x 7-16 female Bottom or top 19 kg Fr tal 330 N ( t 150 k /h)

   6   0   0    3   9   3    9   9   0    1   1   2

Antennen . Electronic

Omni Antennas for Microcell Outdoor Systems Unobtrusive omni antennas for both GSM 900

to our Indoor Antennas, but are suitable for out-

and GSM 1800 are now available especially for

door operation and are fitted with an N connector.

microcell applications. These versions are similar

Azimuth Adjustment Tool for all Eurocell Panel Types Our existing tool 735 700 is only suitable for use

directional antennas in the 800 / 900 MHz range

with the F-Panel product range. The adjustment

as well as the 1800 / 1900 MHz range (Eurocell

tool 738 440 can now be used for positioning all

antennas, A-Panels, F-Panels).

Omnidirectional Antenna – Vertical Polarization Indoor and outdoor use 738 450

Omni 900 360°2dBi Type No. Input Connector position Frequency range VSWR Gain Impedance Polarization Max. power Weight Radome diameter Height

738 450 N female Bottom or top 870 – 960 MHz < 1.5 2 dBi 50 Ω Vertical 150 Watt (at 50 °C ambient temperature) 200 g 20 mm 180 mm

Material:

Radiator: Brass. Radome: Fiberglass, colour: White.

Mounting:

One hole mounting (16 mm diameter) to surfaces of max. 10 mm thickness.

  m   m    0    8    1

Omnidirectional Antenna PCN / DECT Vertical Polarization – Indoor and outdoor use 738 451

Omni 1800 360°2dBi Type No. Input Connector position Frequency range VSWR Gain Impedance Polarization Max. power Weight Radome diameter Height

738 451 N female Bottom or top 1710 – 1900 MHz < 1.5 2 dBi 50 Ω Vertical 100 Watt (at 50 °C ambient temperature) 150 g 20 mm 120 mm

Material:

Radiator: Brass. Radome: Fiberglass, colour: White.

Mounting:

One hole mounting (16 mm diameter) to surfaces of max. 10 mm thickness.

Grounding:

All metal parts of the antenna as well as the

  m   m    0    2    1

Azimuth Adjustment Tool 738 440

Precise azimuth adjustment for mast mounted antennas can easily be achieved by using the azimuth adjustment tool. This tool is suitable to all types of Eurocell Panels

Elevation compensation

• Panels • A-Panels • F-Panels • XPol F-Panels Target object

Scale

F-Panel

A-Panel Clamping device

 .  n   o  i t  a   r  e  t l  a  o  t t  c   e  j  b   u    S    A    H   /    T     W    Z   /  5  ,  1   /  8   9   /  1   1   /  4   5   3   6  .  5   8   9   9

COMPARISON OF MECHANICAL AND ELECTRICAL DOWNTILT HORIZONTAL RADIATION PATTERN IN THE HORIZONTAL PLANE

The shown diagrams are valid for antennas with 13°half-power beam width in the vertical radiation pattern. 0

0

°

0° 6° 8° 10°

°

°

10

10

   B 3    d

   B 3    d

MECHANICAL 

Downtilt angle varies over the azimuth range: set downtilt angle only in main direction (0°), no downtilt in tilt axis direction (+/-90°from main beam).





+90

-90

+90

-90

°

  c    i   n   o   r    t   c   e    l    E   ·   n   e   n   n   e    t   n    A

ELECTRICAL 

Constant downtilt angle over the whole azimuth range.

Horizontal half-power beam width increases with rising downtilt angle.



Horizontal half-power beam independent of downtilt angle.

Resulting gain reduction depends on azimuth direction (can rarely be considered in network planning).



Identical gain reduction for all azimuth directions.

   1   m    9   i    9   -   e    4   h    8   n    1   e   s    /    1   o    3   R    0   4    8    )   0    0   0    (    3     x   8   a   D    F  .  .    4    0   -   4    4   4    8   0    1    /    0    1   1    3    0   h    8    )   c   a    f    0   t    (   s   o   n   P   o    f   e    l  .   e   3    T  .   –    1    G  e    K   ß   a   r   e   t    k   r   S     e   i   n    W   r   -   e    h    N   t    I   a    E   K    R     H  n   o    T   t    A  n    K   A