indoor design for watniya telecom algerie hq.pdf
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Detailed Indoor Design
for
MSC Bab Ezzouar
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D H MOKHTARI
Title: Indoor TEMS Transmitter Measurements for MSC Bab Ezzouar
Version: V1.1
Date: July 19, 2004
Author: Dr. Hatem Mokhtari
Executive
Summary:
This document encompasses the indoor measurements within the building
at the MSC premises in Bab Azzouar. It also derive design guidelines forindoor equipment and antennas to be deployed to cope with Wataniyacoverage and quality standards.
Revision History
Version Date Auteur ModificationsV1 July 20, 2004 Dr. Hatem Mokhtari Draft
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Table of Content
1 INTRODUCTION .......... ............ .......... ............ ........... ........... ............ ........... ........... ........... ............ .......... ............ ........... ... 4
2 TEST RESULTS ............ ............ .......... ............ ............ .......... ............ ........... ........... ........... ............ .......... ............ ........... ... 4
3 CAPACITY REQUIREMENTS ............ ........... ........... ........... ............ .......... ............ ............ .......... ............ ............ .......... ... 5
4 PROPOSED INDOOR DESIGN .......... ............ ........... ........... ............ .......... ............ ............ .......... ............ ............ .......... ... 6
5 CONCLUSION ........... ............ .......... ............ ............ .......... ............ ............ .......... ............ ........... ........... ........... ............ ..... 9
ANNEXES & PHOTOS ............................................................................................................................................................ 10
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1. INTRODUCTION
In a fast growing Mobile market, Operators seek a comprehensive and reliablequality of service. Undoubtedly Wataniya is an Operator that will have thepotential to develop numerous services such as WAP through GPRS technology,and therefore acquire new subscribers. Nowadays, the need for a reliable and
seamless mobile service in Algeria starts to be more and more perceivable. In thenearest future, we will have to face fierce competition and Operators will have tooffer coverage in, not only outdoor locations, but indoors as well. As a goodexercise Wataniya wants to deploy a complete indoor solution at the MSC BabEzzouar premises. This should lead to better testing of Wataniya network usingdifferent features. Wataniya will therefore have the possibility to give its ownemployees the opportunity to test the network reliability and QoS. We areconsidering a number of employees between 400 and 500 who will be based inBab Ezzouar. Therefore, not only indoor coverage will be considered but
capacity/blocking as well.
This document highlights the complete process of indoor design for coverage andcapacity in the MSC premises in Bab Ezzouar.
This document is organized as follows : Section 2 comprises a summary of theTEMS indoor measurements (walk test), whereas Section 3 and 4 encompass theproposed design using Ericsson RBS located in the ground at the MSC, alongwith a rough capacity dimensioning based on the data supplied by the logistics
department (# people expected visitors subcontractors etc ) Section 5 is
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1 Floor
TX2TX=17dBmIndoor Antenna Mast Height =2.40m
Location T2-1 T2-2 T2-3 T2-4 T2-5 T2-6 T2-7 T2-8 T2-9Rxlev -55 -72 -51 -61 -68 -72 -75 -81 -74
T2-10 T2-11 T2-12 T2-13 T2-14 T2-15 T2-16 T2-17 T2-18 T2-19
-78 -72 -85 -83 -75 -82 -80 -60 -60 -70
T2-20 T2-21 T2-22 T2-23-54 -45 -61 -55
2 Floor
TX3EiRP=17dBmIndoor Antenna Mast Height =2.40m
Location T3-1 T3-2 T3-3 T3-4 T3-5 T3-6 T3-7 T3-8 T3-9
Rxlev 50 50 46 48 56 53 67
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TRUs for the sake of consistency with Ericsson equipment. Each sectorhandles about 4 floors. The reason is that if we use only one sector, we wouldhave to split the power to reach the upper floors leading to major lack of RFpower. However, if the BTS was located somewhere in the middle (vertical wise)we would be able to use only one sector and distribute the power roughly equallybetween the lower and upper floors.
3.4. Frequency Planning Issues
4 TRUs have to be planned manually but also will have to be considered in themacrocell frequency planning for interference purposes. BCCH and TCHfrequency allocations of the indoor site can be performed using WataniyaSpectrum assignment. There are, however, two constraints that have to becarefully respected :
A) Minimum 2 Channel-spacing between macro layer on the roof top and eachBCCH/TCH channel selected on the indoor sectors
B) Once the indoor channels have been assigned, these have to be includedmanually in the AFP for macrocell frequency assignment of the MSCneighbours to avoid co-channel interference.
Furthermore, handovers should never happen from indoor cells to the MSC macrolayer to avoid overloading the macro layer. The latter should be exclusivelyassigned to outdoor customers, whereas indoor users will have to use the indoorequipment resources. This can be done by forcing subscribers of the 2 indoorsectors (BSS Parameters Settings) not to handover to the macro layer resources
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Detailed Design for Floors : -1, 0, +1, and +2
c
T-4.8/
1.8
-4.8
-1.8
Ground Floor
(Entrance Hall)
Sx2
First Floor
(Large Room)
Second Floor
(Entrance Hall 1)
RBS2206(Ground Floor Indoors)
4 TRUs, One Outpout Port
A3
A4
T1
S2
S
x2
Second Floor
(Entrance Hall 2)
A5
S3
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Detailed Design for Floors : +3, +4, +5, +6
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Power Budget Calculation
Link Cable Type Approx. Length
S6->A6 1/2'' 30 m
S6->A7 1/2'' 30 m
S7->A8 1/2'' 30 m
S7->A9 1/2'' 30 m
S8->A10 1/2'' 30 m
S8->A11 1/2" 30 m
S9-A12 1/2" 30 m
S9-A13 1/2" 30 m
RBS->T2 7/8'' 90 m
Antenna IDAntenna Gain(dBi) Antenna Type
Cable losses(dB)
Total Loss(dB)
EiRP(dBm)
A6 2 K 741572 5,83 16,93 28,1
A7 2 K 741572 5,83 16,93 28,1
A8 2 K 741572 5,83 16,93 28,1
A9 2 K 741572 5,83 16,93 28,1
A10 2 K 741572 5,83 16,93 28,1
A11 2 K 741572 5,83 16,93 28,1
A12 2 K 741572 5,83 16,93 28,1
A13 2 K 741572 5,83 16,93 28,1
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Underground floor General Layout
Photo 1
Photo 2
Photo 3
T1-1
TEMS TX
T1-2
T1-4
T1-3
T1-5
T1-6
T1-7
T1-8
T1-9
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First floor General Layout
TEMS TX
T2-1
T2-2
T2-3
T2-4
T2-5T2-6 T2-7 T2-8 T2-10
T2-9
T2-11
T2-12
T2-13
T2-14
T2-15
T2-16T2-17
T2-18
T2-19
T2-20
T2-21
T2-22T2-23
Photo 4
Photo 5
Photo 6
Photo 7
Photo 8
Photo 9
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Second floor General Layout
TEMS TXT3-1
T3-2T3-3T3-4
T3-5
T3-6
T3-7
T3-8
T3-9 T3-10T3-11
T3-12
T3-13
T3-14T3-15 T3-16
Photo 10
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1PHOTO 1
Mise en forme :Puces et numros
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PHOTO 2
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PHOTO 3
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PHOTO 4
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PHOTO 5
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PHOTO 6
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PHOTO 7
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PHOTO 8
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PHOTO 9
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PHOTO 10
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DESIGN PLAN : TOP VIEW (UNDERGROUND AREA)
A1
RBS2206Location @Ground
Floor
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DESIGN PLAN : TOP VIEW (GROUNDFLOOR AREA)
RBS2206Location @Ground
Floor
A2
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DESIGN PLAN : TOP VIEW (1STFLOOR AREA)
A3ToSplitter
S2
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DESIGN PLAN : TOP VIEW (2NDFLOOR AREA)
A4
A5ToSplitter
S3
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DESIGN PLAN : TOP VIEW (3RDFLOOR AREA)
A6
A7ToSplitter
S6
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DESIGN PLAN : TOP VIEW (4thFLOOR AREA)
A8
A9ToSplitter
S7
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DESIGN PLAN : TOP VIEW (5thFLOOR AREA)
ToSplitter
S8
A10
A11
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DESIGN PLAN : TOP VIEW (6thFLOOR AREA)
ToSplitter
S9
A12A13
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GENERAL LAYOUT : SIDE VIEW
RBS
2206
Ground FloorTa er T1 S lit ter S1
-1
+1
+2
+3
+4
+5
+6