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IN - BUILDING SOLUTION
8385 Tera Data Initial WT and design Report
SITE NAME Tera Data Confidential
SITE ID 8385
Contact Person Ehmar Yaar CONTACT INFO 0300-5175628
DESIGN BY Taufique Ahmed CONTACT INFO 0345-5228128
CHECKED BY CONTACT INFO
APROVED BY CONTACT INFO
DESIGN DATE 23-02-2013 APPROVED DATE
Coordinate (GPS)
Latitude: 33.682765N Longitude: 73.041294ESITE
ADDRESSTera Data T.F Complex G-9/4 Islamabad
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Contents1 System Overview ................................................................................................................. 4
1.1 Building Description and Location ......................................................................................... 4
1.2 System Introduction ................................................................................................................ 5
1.3 System Expansion ................................................................................................................... 5
1.4 DBS Information 3900 ............................................................................................................ 5
2 Design Principle.................................................................................................................... 6
3 Signal Leakage Analysis ..................................................................................................... 7
4 Design Objective .................................................................................................................. 7
5 Coverage Requirements ..................................................................................................... 8
6 System / Schematic Diagram ............................................................................................. 9
7 Antenna Location and Cable Routing ............................................................................. 10
8 EIRP Table .......................................................................................................................... 15
9 Material List ......................................................................................................................... 16
10 Pre-Walk Test Report ........................................................................................................ 17
10.1.1 Basement Idle Mode ............................................................................................................. 17
10.2 Ground Floor Idle Mode ................................................................................................... 17
10.2.1 Event Statistics....................................................................................................................... 1710.2.2 Idle GSM RxLev Sub(dBm) .................................................................................................. 18
10.2.3 BCCH Idle Mode .................................................................................................................... 1910.3 Ground Floor Dedicated Mode ......................................................................................... 20
10.3.1 Event Statistics dedicated mode ......................................................................................... 2010.3.2 Dedicated GSM FER Sub (%) ............................................................................................. 2110.3.3 Dedicated GSM RxLev Sub(dBm) ...................................................................................... 2210.3.4 Dedicated GSM RxQul Sub.................................................................................................. 2310.3.5 BCCH Dedicated Mode......................................................................................................... 24
10.4 1st
Floor Idle Mode ........................................................................................................... 25
10.4.1 Event Statistics....................................................................................................................... 2510.4.2 Idle GSM RxLev Sub(dBm) .................................................................................................. 2610.4.3 BCCH Idle Mode .................................................................................................................... 27
10.5 1st Floor Dedicated Mode ................................................................................................. 28
10.5.1 Event Statistics dedicated mode ......................................................................................... 2810.5.2 Dedicated GSM FER Sub (%) ............................................................................................. 2910.5.3 Dedicated GSM RxLev Sub(dBm) ...................................................................................... 3010.5.4 Dedicated GSM RxQul Sub.................................................................................................. 3110.5.5 BCCH Dedicated Mode......................................................................................................... 32
10.6 2nd
Floor Idle Mode .......................................................................................................... 33
10.6.1 Event Statistics....................................................................................................................... 3310.6.2 Idle GSM RxLev Sub(dBm) .................................................................................................. 34
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10.6.3 BCCH Idle Mode .................................................................................................................... 35
10.7 2nd Floor Dedicated Mode ................................................................................................ 36
10.7.1 Event Statistics dedicated mode ......................................................................................... 3610.7.2 Dedicated GSM FER Sub (%) ............................................................................................. 37
10.7.3 Dedicated GSM RxLev Sub(dBm) ...................................................................................... 3810.7.4 Dedicated GSM RxQul Sub.................................................................................................. 3910.7.5 BCCH Dedicated Mode......................................................................................................... 40
10.8 3rd
Floor Idle Mode ........................................................................................................... 41
10.8.1 Event Statistics....................................................................................................................... 4110.8.2 Idle GSM RxLev Sub(dBm) .................................................................................................. 4210.8.3 BCCH Idle Mode .................................................................................................................... 43
10.9 3rd
Floor Dedicated Mode ................................................................................................. 44
10.9.1 Event Statistics dedicated mode ......................................................................................... 4410.9.2 Dedicated GSM FER Sub (%) ............................................................................................. 4510.9.3 Dedicated GSM RxLev Sub(dBm) ...................................................................................... 4610.9.4 Dedicated GSM RxQul Sub.................................................................................................. 47
10.9.5 BCCH Dedicated Mode......................................................................................................... 4811 Product Catalogue ............................................................................................................. 49
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1 System Overview
1.1 Building Description and Location
Building Name Tera Data T.F Complex
Building Height (m) 20mNumber of Floors 4
Building Type Office
Floor Usage OfficeCoordinates 33.682765N and 73.041294ETargeted Coverage area Basement, Ground, 1
s, 2
nand 3
rFloors
Building Condition (0 to 5) 5/5
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1.2 System Introduction
Site Type Indoor Micro
Band 1800 MHz 2100MHzSector 1 2 3 1 2 3
# of Antenna/Sector 13 N/A N/A N/A N/A N/AAntenna Type(Omni/Directional)
Omni/Directional N/A N/A N/A N/A N/A
Feeder type 7/8 1 7/8 1 Feeder Length (m) 600m N/A N/A N/A N/A N/AAntenna Band 806-2500MHz
DBS Model / 10W 3900DBS Configuration S02 N/A
1.3 System Expansion
Following the lower power more antennas model, deployed system can be reused for 3Gnetwork with minor modifications in the backbone.
1.4 DBS Information 3900
A single BTS3900 cabinet holds up to 2 TRXs. It performs the functions such as Transmitdiversity, 4-way receive diversity.
The BTS3900 cabinet has large power and large capacity. It is small and easy to installand saves the cost on the equipment room. Especially, it uses the direct air coolingtechnology, which saves the cost on the heat exchanger, power consumption, andMaintenance AC inputs and DC inputs 110 V AC (dual live wires) and 220 V AC 48 VDC. DC battery power supply
The BTS3900 has strong environment adaptability. It can work under the Temperature of40Cto +55C. It supports the outdoor application with IP55 protection level.
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2 Design Principle
In the system designs for GSM1800 network, the EIRP of the indoor Omni Antenna for GSM1800 isfrom 5dBm to 10dBm.The coverage distance is about 15 to 20m, this depends on the indoor structureLink budget for the antennas coverage distance is shown below: The in-building aerial transmission loss is calculated as follows:
Ld=32.4+20lgD(Km) + 20lgF(MHz)D = distance from the antenna to the mobile station (Km)F = carrier frequency (MHz)
The total path loss is as follows:
L=Ls+LdLrLs = loss led by the internal obstruction.Lr = loss led by the internal estimate.
The minimum in-building coverage field strength is:Emin = P - L
P means the antenna output power
The aerial transmission loss of different distance is as follows:As to the GSM1800 system:
PL(dB) =32.45+20lg(1800)+20lgd(km)= 97.5+20lgd(km)
D 1m 10m 20m 25m 30m 35m 40m
Ls 37 57 63 65 67 68 69
For In-building signal, formula is as follow:L=LD+10LgD (m) + Lr
Lr experienced values are as follows:
1800MHz
Wood Board 68dB
Glass 810dB
Brick Wall 1416dB
Concrete Wall 20-25dBElevators 35-40dB
SupposedThe output power of the antennas for GSM1800 P0=7dBmThe gain of omni antenna G0=5dBi, the FAF of the wall is about 20dB,L (20m) = 63+10lgD (m) +FAF
= 63+13+20=96So the RSSI=P0+G0-L=7+5-96=-84 (dBm)So the design of the GSM1800 system can satisfy the systems requirements.
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3 Signal Leakage Analysis
Indoor signal leakage is mainly caused by the antenna signal leakage in the lower parts of building, ifthe building is higher, the route loss will be larger, if the lower building antenna can meet the levelleakage index, and then the high building antenna can also meet the level leakage index. Theantenna to cover the elevator can be installed in the elevator shaft, as the walls of the elevator shiftwill absorb the signal, and there will be very little leakage in this area, a sample will be taken from theceiling mounted antenna installed on the first floor to analyze the leakage of the signal.
The Lower Floors leakage Analysis (Ground Floor):Now we count the signal field intensity in the distance of 20m (leakage outside 10m away)Work out the deviation of path loss between D1 and D2 according to the path loss Formula:
LD1- D2 =20log20/10=6.0dBThe result from above analysis adds glasses loss of windows 6dB, so the path loss is 12dB from theedge field to outside 10m away.Even though the signal of GSM close to the edge of windows can reach to -80.0dBm and the signalfield intensity of leakage outside 10m away is under -92.0dBm,it can satisfy the level requirement(-90.0dBm).
4 Design Objective
Principle of the In-building Coverage System The relative international standard about GSM900/1800 system The electro-magnetic protection requirements of the radio Management authorities in
PAKISTAN. Other laws and regulations of PAKISTAN. Inspection material and testing data on site.
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5 Coverage Requirements
Design Technical Indexes of GSM System
2G System KPI
RSSIFloor: RxLev at edge -85dBm
Elevator and Basement : RxLev -90dBm
Coverage Probability 95% coverage area meets the RSSI requirements
Call Quality More than 95% coverage areas meet the requirements ofRxQual < 4.
EiRP of Indoorantenna
Floor antenna EiRP: < 12 dBm/carrierElevator antenna EiRP: 2 to 6 dBm/carrier (In case of
Elevator coverage)
LeakageAt a distance of 10m from building RSSI of indoor cellshould be 15 to 20dB less then RSSI of outdoor cell.
HandoverThe smooth handover between the indoor cell and outdoorcell should be ensured
The voice traffic of mobile user when busy is set as 0.02Erl. The call loss rate of wireless channels is set as follows:
The call loss rate of TCH is 2% The call loss rate of SDCCH is 0.1%
GSM interference protection ratio is as follows: Co-channel interference protection ratio:
C/I 12dBwithout hopping frequencyC/I 9dBwith hopping frequency
Adjacent channel interference protection ratio:200 KHz adjacent channel interference protection ratio: C/I -6dB400 KHz adjacent channel interference protection ratio: C/I -38dB
The voice quality score of the indoor coverage system is above 96. The score iscalculated by the weighted averages method :
( level 0level 1level 2) 1 + (level 3level 4) 0.8 + (level 5level 6) x 0.5level 70.2Here level 0 means the sample points with the voice quality 0 covers the total sample points.
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6 System / Schematic Diagram
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7 Antenna Location and Cable Routing
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8 EIRP Table
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9 Material List
Hardware EquipmentsNO. Item Type Unit QTY Remark
1 BTS DBS 3900 Pcs 1 HUAWEI
2 UPS APM30 Pcs 1 HUAWEI3 Splitter(2 way) PS-N2-N50M Pcs 3 HUAWEI4 Splitter(3 way) PS-N3-N50M Pcs 2 HUAWEI
5 Splitter(4 way) PS-N3-N50M pcs 0 HUAWEI6 5dB Coupler DC-N05-N200C pcs 2 HUAWEI
7 7dB Coupler DC-N7-N200C pcs 1 HUAWEI
8 10dB Coupler DC-N10-N200C pcs 3 HUAWEI
9 15dB Coupler DC-N15-N200C pcs 0 HUAWEI10 Hybrid Coupler HC-M-N200L pcs 0 HUAWEI
11 Ceiling mounted Omni antenna IXD-360V03N0 pcs 11 HUAWEI12 Wall mounted Panel antenna IWH-090V08N0 pcs 2 HUAWEI
13 N-Male Termination Load 50W / 200W pcs 1 HUAWEI14 Cable tie SGR-FSZD Volume 6 HUAWEI
15 Jumper Cable JP-NM/NF3M-1/2 pcs 6 HUAWEI
16 Jumper Cable JP-NM/NF1M-1/2 pcs 4 HUAWEI17 Feeder cable(1/2) CL-1/2 m 600 HUAWEI18 Feeder cable(7/8) CL-7/8 m 0 HUAWEI
19 Connector(1/2) CN-NM-1/2 pcs 56 HUAWEI
20 Connector(7/8) CN-NM-7/8 pcs 0 HUAWEI21 Female-Female connector NKK pcs 6 HUAWEI22 Male-Male connector NJJ pcs 6 HUAWEI
23 Male-Female connector NJK pcs 6 HUAWEI24 Insulating Tape SGR-DGJD Volume 8 HUAWEI25 Water Proof Tape Black Color 1 inch 8 m length Volume 8 HUAWEI
26 Grounding line SGR-DX-16 m 10 HUAWEI27 Grounding connector SGR-JDDZ pcs 6 HUAWEI
28Grounding connector for & 7/8
feeder cableSGR-JDDZ Pcs 6 HUAWEI
29 Power wire 16mm m 10 HUAWEI
30 PVC Pipe 1 m 600 HUAWEI31 PVC Pipe 1.5 m 0 HUAWEI32 PVC Clumps 1 inch Pcs 350 HUAWEI
33 PVC Pipe Bolt + Plug 1 inch Pcs 350 HUAWEI
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10 Pre-Walk Test Report
10.1 Basement Idle Mode
No Coverage in Basement Area.
10.2 Ground Floor Idle Mode
10.2.1 Event Statistics
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10.2.2 Idle GSM RxLev Sub(dBm)
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10.2.3 BCCH Idle Mode
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10.3 Ground Floor Dedicated Mode
10.3.1 Event Statistics dedicated mode
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10.3.2 Dedicated GSM FER Sub (%)
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10.3.3 Dedicated GSM RxLev Sub(dBm)
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10.3.4 Dedicated GSM RxQul Sub
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10.3.5 BCCH Dedicated
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10.4 1st Floor Idle Mode
10.4.1 Event Statistics
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10.4.2 Idle GSM RxLev Sub(dBm)
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10.5 1st Floor Dedicated Mode
10.5.1 Event Statistics dedicated mode
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10.5.2 Dedicated GSM FER Sub (%)
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10.5.3 Dedicated GSM RxLev Sub(dBm)
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10.5.4 Dedicated GSM RxQul Sub
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10.5.5 BCCH Dedicated
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10.6 2nd Floor Idle Mode
10.6.1 Event Statistics
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10.6.2 Idle GSM RxLev Sub(dBm)
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10.6.3 BCCH Idle Mode
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10.7 2nd Floor Dedicated Mode
10.7.1 Event Statistics dedicated mode
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10.7.2 Dedicated GSM FER Sub (%)
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10.7.3 Dedicated GSM RxLev Sub(dBm)
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10.7.4 Dedicated GSM RxQul Sub
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10.8 3rd Floor Idle Mode
10.8.1 Event Statistics
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10.8.2 Idle GSM RxLev Sub(dBm)
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10.8.3 BCCH Idle Mode
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10.9 3rd Floor Dedicated Mode
10.9.1 Event Statistics dedicated mode
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10.9.2 Dedicated GSM FER Sub (%)
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10.9.3 Dedicated GSM RxLev Sub(dBm)
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10.9.4 Dedicated GSM RxQul Sub
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11 Product Catalogue
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Feeder Cables