Introduction of IBS/DAS.

1. Training Review 2017
Raees Aqeel Hussain
Telecom Professional
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2. INDOOR BUILDING SOLUTION (IBS).
DISTRIBUTED ANTENNA SYSTEM (DAS).
Why IBS Solutions Is Required?
Due to dense urban building structure the indoor environment loss
signal strength due to signal reflection the level of (RSSI) is poor
in lower basement and basement . Indoor building solution is
increasing the quality of indoor signal at different public and
business locations. Example shopping malls, airport terminals,
hospitals, residential flats and business exhibition centers, govt
and private offices etc .
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3. Cable
Splitters
Directional
coupler
Hybrid
coupler
Antenna
Triplexer
Dummy
Connectors
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Main component which are using in DAS Installation .

4. ½” coaxial
cable(LCF12-
50JFN)
•Low loss as compare to SFX cable
•Suitable for short distance ≤20 m.
•Low VSWR
•Outstanding intermodulation
performance
½” SFX
coaxial
cable (SCF12-
50J)
•High loss as compare to LCF ½”
cable
•Suitable for short distance ≤3 m.
•Low VSWR
•Outstanding intermodulation
performance
7/8” coaxial
cable(LCF78-
50JA-A0)
•Low loss as compare to SFX and LCF
½” cable
•Suitable for short distance ≤20 m.
•Low VSWR
•Outstanding intermodulation
performance
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Why this RF Cable using in DAS:

5. Technical Features RF Coaxial Cable :
Applications
•Jacket
•Inner conductor
•Dielectric
•Outer conductor
Electrical
Specification
• 7/8 “ coaxial cable ½” coaxial cable ½” coaxial SFX cable
•Inner conductor resistance ::1.54 ohm/1000m 1.57 ohm/1000m 2.9 ohm/1000m
•Outer conductor resistance ::1.55 ohm /1000m 2.7 ohm/1000m 4.5 ohm/1000m
•VSWR ::standard standard standard
•Power rating ::85kw 38kw 24kw
•Frequency ::5Ghz 8.8 Ghz 10.6Ghz
Mechanical
specification
• 7/8 “ coaxial cable ½” coaxial cable 1/2 “ coaxial SFX cable
•Cable weight :: 0.41 kg/m 0.23kg/m 0.17kg/m
•Bending radius :: 120mm 70mm 32mm
•Clamp spacing:: 0.8m 0.6m 0.3m
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6. 7/8” CableTechnical feature :
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7. ½” Foam cable ½” superfexible cable
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8. Power Divider (Power Splitter):
2 way power
divider
Its Passive devices which have 1
input port and two output its power
divide equally at all ports .
Frequency range ::698-2700
VSWR::1.25db
Split loss ::3.3db
3 way power
divider
Its Passive devices which have 1
input port and 3 output its power
divide equally at all ports
Frequency range ::698-2700
VSWR::1.25 db
Split loss ::5.1 db
4 way power
divider
Its Passive devices which have 1
input port and 4 output its power
divide equally at all ports
Frequency range ::698-2700
VSWR::1.25db
Split loss ::6.4db
6 way
power
divider
Its Passive devices which
have 1 inputs port and 6
output its power divide
equally at all ports
Frequency range ::698-2700
VSWR::1.25db
Split loss :: 8db
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Input port
Output ports
Output ports
Output ports
Input port
Input port

9. Technical Features :
2way 3way 4way
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10. Directional coupler :
Its passive device which have 1 inputs and two output . It can not divide power equally, due to coupling port .
Coupler values are 3dB, 6dB, 7dB, 10dB, 15dB, 20dB &Variable couplers
6db directional
coupler
• 6db coupling value
N-female connector
Split loss ::1.7db
10db directional
coupler
• 10db coupling value
• N female connector
Split loss ::0.7 db
15db directional
coupler
• 15db coupling value
N-female connector
Split loss ::0.4 db
20db
directional
coupler
20db coupling value
N-female connector
Split loss ::0.2 db
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Input port
Outputport

11. 6dB Technical Features 10dB Technical Features
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12. 15dB Technical Features 20dB Technical Features
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13. Antenna :
Its passive device which transmit and receive RF single .
SISOSISO
OMNI
Wide band Antenna 698-2700mhz
Low loss pigtail N female connectors
It designed LTE,CDMA,3G and wifi services
Max VSWR::1.8 @698-960MHZ
1.5 @ 1710-2700MHZ
Gain:: 2.5 ± 1.0 698-960 MHZ
4.5±1.5 1710-2700MHZ
Polarization: vertical
Panel
Wide band Antenna 698-2700mhz
Low loss pigtail N femaleconnectors
It designed LTE,CDMA,3Gand wifi services
Max VSWR::1.8 @698-960MHZ
1.8 @ 1710-2700MHZ
Gain:: 6 ± 1.5 698-960 MHZ
8 ±1.5 1710-2700MHZ
Polarization: vertical
MIMOMIMO
OMNI
Wide band Antenna 698-2700mhz
Low loss pigtail N femaleconnectors
It designed LTE,CDMA,3Gand wifi services
Max VSWR::2.0 @698-960MHZ
2.0 @ 1710-2700MHZ
Gain:: 3.5 ± 1.0 698-960 MHZ
5.0 ±1.5 1710-2700MHZ
Polarization: vertical and horizontal on separateport ,linear.
Panel
Wide band Antenna 698-2700mhz
Low loss pigtail N femaleconnectors
It designed LTE,CDMA,3Gand wifi services
Max VSWR::2.0 @698-960MHZ
1.5 @ 1710-2700MHZ
Gain:: 6.0 ± 1.0 698-960 MHZ V/H
8.0 ±1.5 1710-2700MHZH
Polarization: vertical and horizontal
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14. Omni Antenna (SISOMIMO)
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15. Panel Antenna (MIMOSISO)
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16. Directional Hybrid coupler.
Its passive device which combine two wireless single at same frequency range.
3dB HC
• 2 inputs and 2 outputs
• N female connector
• VSWR:: 1.20
• Coupling losses ::3dB @ 698-2700Mhz
• Indoor and outdoor
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17. 3dB Hybrid Coupler :
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18. Triplexer :
Its passive device which combine 3 different wireless single and transmit it in one
port .
Frequency
range
• 698-960Mhz 1710-2170 Mhz 2300-2690Mhz
• GSM UMTS LTE
Insertion
loss
• 0.15 dB 0.20dB 0.25dB
RF
connector
• 7-16 din female
Benefits
• Dc bypass on all ports
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19. Triplexer :
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20. Connectors:
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21. Tools Required For Installation
• Tool box
• Crimping tool
• Spinner set
• Knife
• Adjustable plier
• Nose plier
• Adjustable spinner
• Screw driver set plus & minus
• Hammer
• Cutter (tie cutter and cable cutter )
• Measuring tap
• Labeling tap
• Step ladder
• File
• Hack saw
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22. Measurement Equipment's required for Implementation
Site Master (bird , Anritsu)
Measuring VSWR
Return losses
Distance of fault measuring
PIM (Passive intermodulationAnalyzers )(Anritsu , keysight ,kaelus, pim pro )
PIM occur when two or more high power RF single encounter non linear electrical junction in
RF path .These non linear junction behave like a mixer cause new signals to be generated
mathematical combination of the original RF inputs. If these single fall in network band the
nose rises cause reduce data and decreasing service quality
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23. PIM Causes :
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24. Review about BBU (Base Band Unit):
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Slot view of BBU
Logical diagram of BBU

25. RTWP Measuring with LMT (Huweia)
• RTWP Occur in often in UMTS technology
• Connect LAN cable at wmpt or umpt card at USB port.
• Open browser of LMT.
• User name and passward (fm_team ,fm123321)
• Go to NML command .
• Write command (dsp ucell ~ check or cell id in umts )
• Dsp ucellchk ~ check RTWP here
• Normal value of RTWP is (-95 to 105)dBm
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26. RTWP measuring with Ericssion
Equipments 
• Same its occur in UMTS technology (u900,u2100)
• Go to moshell (coli)
• Write moshell 169.254..1.1
• ~write lt all
• ~ write ~cabx
• You will get all information regarding ( RTWP,serial number ,VSWR and RRU
types)
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27. Basic Information Must Be Know:
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28. Glossary OfTechnicalTerms And Abbreviations
IBS Indoor building solution
DAS Distribution antenna system
GSM Global system for mobile communication
DBm Power ratio in decibels (db) measured reference to one mill watt (mW)
VSWR voltage standing wave ratio
Return losses loses of power in the signal returned / reflected by discontinuity in a transmission line or optical fiber
Impedance Effective resistance
Frequency Number of cycle in per cycle
Gain How well input power convert power into radio waves
Dielectric Medium /insulator
Attenuation losses of signal
Modulation Process to carry out information in carrier signal
Velocity Quickness of motion
Capacitance ability of store and electrical charge
Resistance force which oppose to flow of current
Isertion losses signal due to propagation of light
PIM Passive inter modulation
RTWP Received total wideband power
RSSI Received signal strength inductor IBS Training 2017 Prepared by Raees Aqeel Hussain 28

29. References:
a. KULASEKARAN. P Technical Specialist - RF ( In building Radio Network Planner) Bangalore. (INDIA) slide share
b. Indoor Distributed Antenna System for the University of Baghdad Building Laith Awda Kadhim, Salih Mohammed Salih
c. http://wndw.net.
d. Conquering the RF Black Hole with Rapid & Cost-Effective Wireless Solutions.
e. www.kaelus.com.
f. www.rfsworld.com.
g. www.birdf.com.
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Product Data Sheet :
Available in (www.rfsworld.com

30. Special thanks for Mahmoud Al-Saleh
Any suggestion comment in aqeelakberkhan@gmail.com
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Thank you