Access Engineering, RF-IBS Team
© 2013 SMART Communications Inc., P&E Access- RF IBS jplaurentePage 1 of 2
Technology-Band
2G-900 GSM
2G-1800 GSM
3G-2100 (HSPA+)
LTE 1800 (SISO)
LTE 2100 (SISO)
The DAS system should be design with the following Technology
Input Frequency
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Operator/Technology Uplink/Downlink Frequency Range
Smart 900MHz 897.5 / 942.5 MHz - 905 / 950 MHz
Smart 1800MHz 1725 / 1820 MHz - 1750 / 1845 MHz
Sun 1800MHz 1760 / 1855 MHz - 1785 / 1880 MHz
Smart 2100MHz 1920 / 2110 MHz - 1935 / 2125 MHz
Sun 2100MHz 1935 / 2125 MHz - 1945 / 2135 MHz
(Operator 3) 900MHz 890.1 / 935.1 MHz - 915 / 960 MHz
(Operator 3) 1800MHz 1732.5 / 1827.5 MHz - 1780 / 1875 MHz
(Operator 3) 2100MHz 1945 / 2135 MHz - 1955 / 2145 MHz
Input Frequency
The DAS component & materials should have insertion loss that are less
than or equal to the following Smart required values.
DAS Component Loss
Splitters 900 1800 2100 Type Approved Brands
2-Way 3.25 dB RFS, Andrew, Rosenburger
3-Way 5.1 dB RFS, Andrew, Rosenburger
4-Way 6.2 dB RFS, Andrew, Rosenburger
Couplers 900 1800 2100 Type Approved Brands
6dB 1.5 dB (Through), 6.5 dB (Coupled) RFS, Andrew, Rosenburger
10dB 0.75 dB (Through), 10.5 dB (Coupled) RFS, Andrew, Rosenburger
15dB 0.4 dB (Through), 15.5 dB (Coupled) RFS, Andrew, Rosenburger
20dB 0.1 dB (Through), 20.5 dB (Coupled) RFS, Andrew, Rosenburger
Other Components 900 1800 2100 Type Approved Brands
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Triplexer 0.15 dB 0.2 dB 0.2 dB
Andrew (model:E11FO5P92)
Freq. range Mhz:
900 = 790-960
1800 = 1710-1880
2100 = 1920-2170
1800/2100 Diplexer 0.3 dB 0.3 dB
Comba (model: CM-DW2-ODxx, CM-
DW2D-Odxx)
Freq. range Mhz:
1800 = 1710-1880 &
2100 = 1920-2170
2-way Hybrid Coupler 3.1dB (698-2700Mhz)Andrew (model: H-3-CPUSE-D-A)
Freq. range Mhz: 698-2700
7-Way Combiner 5.5 dB 6.5 dB 5.5 dB Rosenburger (Model:CB-7-POI-DF-08)
Feeder Cables (per 100m) 900 1800 2100 Type Approved Brands
Feeder 1/2" 6.87 dB 10.10 dB 10.70 dB RFS, Andrew, Rosenburger
Feeder 7/8" 3.88 dB 5.75 dB 6.11 dB RFS, Andrew, Rosenburger
Feeder 1 5/8" 2.29 dB 3.47dB 3.71 dB RFS, Andrew, Rosenburger
Jumper + Connector Loss 3.5dB RFS, Andrew, Rosenburger
The DAS component & materials should have gains that are greater than
or equal to Smart required values.
DAS Component Gain
Omni Indoor Antenna 2dBi
Panel Indoor Antenna 7dBi
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2G
• Min. EIRP of 12 dBm (for indoor antennas)
• -65 dBm (rxlev) or better at 75% of floor area
• -80 dBm (rxlev) or better at 99% of floor area
3G
• Min. EIRP of 8 dBm (for indoor antennas)
• -65 dBm (rscp) or better at 70% of floor area
• -80 dBm (rscp) or better at 99% of floor area
• Accessibility: >=99%
1. Small/Mini Grocery, shop & other
commercial floor level
2. Ground Reception, Visitors lobby,
Waiting areas
3. Offices, Canteen, VIP reception on
other floors
Building admin offices, security,
maintenance, operation offices,
housekeeping
4. Basement offices, lounge & waiting areas
Areas of consideration to have an
antenna for effective coverage
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• Accessibility: >=99%
4G LTE
• Min. EIRP of -7 dBm (for indoor antennas)
• -80 dBm or better at 70% of floor area
• -95 dBm or better at 99% of floor area
4. Basement offices, lounge & waiting areas
5. Amenities Floor, Gym, indoor pool,
recreational floor
6. Penthouse/VIP floors
7. Gathering/Ballroom/Activity floors
8. Emergency Exit /Fire Exit route
9. Parking use panel antenna, (Parking
coverage is a must for Mall and
commercial building)
10. In-Elevator coverage
11. Telco wireless centers and/or shops
Link Budget Analysis, Component insertion loss
RF Components DESIGN Specifications
1. FEEDER CABLE LOSS
2G (900MHz)
2G
(1800MHz)
3G
(2100MHz)
1/2" Superflex Cable 11.2 dB/100m
16.6
dB/100m
17.6
dB/100m
1/2" Coaxial 6.87 dB/100m
10.1
dB/100m
10.7
dB/100m
7/8" Coaxial 3.88 dB/100m
5.75
dB/100m
6.11
dB/100m
3.47 3.71
4. TOTAL
INSERTION/JUMPER/CONNECTOR
LOSS
3.5 dB per antenna
5. ANTENNA GAIN
Omni Antenna 2dBi
Panel Antenna 7dBi
6. BTS OUTPUT POWER
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1 5/8" Coaxial 2.29 dB/100m
3.47
dB/100m
3.71
dB/100m
2. SPLITTER LOSS
2-Way Splitter 3.25 dB
3-Way Splitter 5.1 dB
4-Way Splitter 6.2 dB
3. COUPLER LOSS
Through Port
Coupled
Port
6 dB Coupler 1.5 dB 6.5 dB
10 dB Coupler 0.75 dB 10.5 dB
15 dB Coupler 0.4 dB 15.5 dB
20 dB Coupler 0.1 dB 20.5 dB
6. BTS OUTPUT POWER
3G CPICH Power 36 dBm
2G BTS Ouput Power 40 dBm
4G Reference Signal Power 15.22 dBm
7. OTHER LOSSES (if needed)
Triplexer 0.3 dB max
2-Way Hybrid Combiner 3 dB max
Multi Operator Combiner 900 MHz 1800 MHz 2100 MHz
5.5 dB 6.5 dB 5.5 dB
** Specifications used in consideration for 2G & 3G deployment
2G Quality
• CSSR Prio: >=98% (20 trials; 30 sec duration)
• TCH Drop: <= 1.8%
• SD Drop: <= 1.8%
• Uplink Quality (4 or better): >=98%
• Downlink Quality (4 or better): >=98%
• Call Set-up Time: < 6 seconds
• SMS Delivery: <= 4 seconds
• HO Failure: <=1%
3G Quality
• Ec/No: >-14 dB at 95% of samples
4G LTE Quality
• RSRQ: >=-12 dB at 95% of samples
• Call Drop Rate: 0%
• CS Fallback Success Rate: 99%
• CS Fallback Setup Time: <11 seconds
• Ave DL Throughput: 65% of target *
• Ave UL Throughput: 65% of target *
*target is based on backhaul and MIMO/SISO
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• Ec/No: >-14 dB at 95% of samples
• CSSR CS (20 trials; 30 sec duration): >=99%
• CSSR PS (20 trials; 30 sec duration): >=99%
• Drop Call Rate CS: <=1%
• Drop Call Rate PS: <=1%
• Soft HO Success Rate: >=99%
• DL Throughput (Average): 1 Mbps
• UL Throughput (Average): 256 kbps
• HSDPA Accessibility: >=99%
DAS/Macro
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NOTE:
Upon submission of the proposal,
Kindly include diagram for the
combination scheme to be used
© 2013 SMART Communications Inc., P&E Access- RF IBS jplaurente