IBS - Microqual PPT Gireesh

 

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What is Indoor Coverage

Indoor/In Building Coverage is Nothing but improving the GSM signals inside Buildings,undergroung tunnels etc. Signals can be improved using boosters,repeaters,Microcells or Leaky cables Typically,several,indoor ypically,several,indoor antennas or radiating coaxial coaxi al cable is used to cover  Many floors,cabins,rooms,halls,basements. floors,cabins,rooms,halls,basements.

 

WHY THE NEED FOR THE IN BUILDING BUILDI NG SOLUTION?  SOLUTION? 

1.More Coverage 2.Capacity Utilization 3.No more drop calls 4.Improved quality of service 5.More Services 6.Future Technologies

 

IN-B IN-BUILD UILDING ING SOLUTIO SOLUTIONS NS - CO CONCEP NCEPTS TS  An in-building solution may be offered in many different ways. There is always a trade-off between quality and cost. Further more there are as many tentative solutions as there are designers. One has to consider as many aspects as possible but still ensure that the In-Building Solutions, eventually eventually meets either the return of the investmen investmentt or meet the customer  specific requirements or both. In most cases the payback time for a standard solution is less than two years. Ordinarily  coverage from the macro network via outdoor antennas penetrates into the buildings but  needs for many buildings be complement complemented ed by dedicated IBS. The implementation implementation of dedicated in-building coverage enables new traffic for the mobile operators in areas that previously were black holes and offloads the macro system in areas with over lapping in-building and macro network coverage, thereby increasing overall system coverage and capacity 

 

PLACES PLACES WHERE IBS NEED

Offices/industries  Airports

and bus/train stations Conference

and exhibition centers Hospitals Hotels Shopping malls

 

Planning

1.Pre survey 2.Survey +Measurement 3.System Diagram, Antenna location on the floor plan, system discription,power budget 4.Report,Materials list,& drawing 5.Completion of the proposal 6.After implementation report.

 

In-Building

Solution Resources

Operators

RF Survey

Radio Network

Engineer

Planner

Operators Site Acquisition Team

Radio Network Planner (Documentation)

Installation Team

Installation Planner

Installation Supervisor

 

Process flow IBS survey survey & implemen implementa tation tion roll roll - out

 

Planning Component Specification RF Cables

900 MHZ (db/100 mtr

1800 MHZ (db/100 m tr

1800 MHZ(db/100 mtr) super flex

Cable 1/2"

7 .1 3

10.56

15.59

7/8"

3 .9 5

5.9

7.29

1 1/4"

2 .8 7

4.36

1 5/8"

2 .3 7

3.65

SPLITTER sl.no

C om ponent

loss(db)

1

2-way splitter

3.5

2

3-way splitter

4.7

3

4-way splitter

6.5

Coupler

Sl.no

Component

Coupling loss(db)

Thru port loss(db)

1 6 db coupler

6.5(100w)

1.5

2 8 db coupler

8.5(100w)

1

3 10 db coupler

10.5(100w)

0.75

4 13 db coupler

13.5(100w)

0.5

5 15 db coupler

15.5(100w)

0.4

Antenna

Horizontal beam width Sl.no

V ertical beam width

Antenna Type

Gain (dbi)

1 Omni Antenna

2.1

360

90

2 Omni Antenna

4

360

90

3 Panel antenna

8

90

65

Jumper loss-0.5 Connector loss -0.25

 

SYSTEM DIAGRAM

 

Combiners/Spl itters

Flat Omni Antennas

Point of  Interface

Service Providers

 

T OOLS O OLS RE REQU QUIR IRED ED FO FOR R TH THE E IB IBS S IM IMPL PLEM EMEN ENT TATI TION ON

‡VSWR

METER

‡NEMO

TOOL FOR WALK TEST

NETMONITOR OR ‡NETMONIT ‡TOOLS

SET

SOF SOFTWARE TWARE FOR MOBILE

 

TYPE OF IBS IMPLEMENT I MPLEMENTA ATIONS

‡High-rise

building

‡High±Rise ‡High-rise ‡Tunnels

Building with Multiple Blocks

Building with POI Solution

/ Metro Stations by using Repeaters

 

HIGH-RISE  BUILDING

 An in-building solution with a macro RBS connected to a passive coaxial  distributed antenna system covering a large-size building

 

HIGH-RISE BUILDING WITH MULTIPLE BLOCKS

 An in-building solution with one main-remote RBS covering two different buildings. buildings. The radio remote units, RRUs, are connected to the main unit via optical fibers.

 

SHOPPING MALL OR HIGH-RISE  BUI UILD LDIN ING G WI WITH TH POI SOLUTION

 An example of a multi-operator coaxial cable solution with dedicated indoor RBSs that are connected to a common distributed antenna system, DAS.

 

TUNNELS / METRO STATIONS BY USING REPEATERS  An example of a metro solution with radiating cables in the tunnels.

I n-building n-building

coverage using repeaters (with the donor  antennas visible on top of each tunnel entrance).

 

IBS - INST INSTALLA ALLATION TION MA MATERIALS TERIALS

 

IMPLEMENTATION

 

Customer details

MTS

TATA DO DOCO COMO MO