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Indoor Radio Planning using Distributed Antenna System "DAS" 02

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Muhammad Ossama

on 21 June 2016

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Transcript of Indoor Radio Planning using Distributed Antenna System "DAS" 02

Mobile Communication
2G ( GSM / DCS )
Image by Tom Mooring
3G [ UMTS / WCDMA ]
4G ( LTE )
Indoor radio planning using Distributed Antenna System "DAS"
Access Technique
1G
NMT
[Nordic Mobile Telephony]
Access Technique
TDMA/FDMA
CDMA
MIMO
Transmit Diversity
SNR
Spatial MUX
Bit rate
12345
12345
12345
12345
12345
12345
678910
678910
Modulation
BPSK - QPSK - 16 QAM - 64 QAM
Adaptive Modulation
Why Indoor?
Challenges
Free-Space Path Loss
(Multipath Propagation)
Fading
Penetrations Loss
Soft Handover
Hotspots
Solutions
Wi-Fi?
Slow
Hassle to get the service
Lack of mobility
No guarantee of service
Distributed Capacity
Repeater
Dedicated BTS
Small Cells
Femtocell
Picocell
Leaky Feeder
DAS
In-Building Solutions
Small Cells
DAS
Distributed Antenna System
Passive DAS
Combining stage
Coaxial cables
Tappers
Splitters
Antennas
Active DAS
Master Unit / Main Unit / Head End
Optical Fiber
Expansion Unit (EU)
Category5 cable
Remote Unit (RU)
Antennas
Hybrid Active/Passive DAS
Master Unit / Main Unit / Head End
Optical Fiber
Hybrid Remote Unit
Coaxial Cable
Tappers
Splitters
Antennas
1- Muhammad Ossama
2- Amira Ashraf
3- Heidi Mosaad
4- Ayah Abd Elkader
Supervisors

Prof. Dr. Mohamed Essam Khedr - Dr. Radwa Khalil Hamad
Agenda
1- Mobile Evolution (1G - 2G - 3G - 4G)
2- Why Indoor?
3- Challenges
4- Solutions
5- Distributed Antenna System (DAS)
6- Project Phases & Timeline
7- Case studies (UCS Hotel - Camp Randall Stadium - Sidi Gaber Railway Station)
8- AAST Buildings
9- Conclusion

Project phases
References: (Ericsson - ZTE - Nokia Networks - Vodafone)
Indoor Radio Planning - Mortin Tolstrup (Third Edition)
1- Inputs & Requirements
Layout
Composite power
RSSI (Received Signal Strength Indicator)
RSCP (Received Signal Code Power)
Types of walls
2- Link budget & Limiting technology
Link budget
Losses
Noise
1- Free-Space Path Loss (FSPL)
2- Body Loss
3- Offset
( Penetration/Wall/Clutter loss)
4- Fade Margin
Typical Body Loss in the indoor areas:
3 dB
Typical Body Loss in the seating areas:
8dB
Excel Tool
1- Thermal Noise
2- Noise figure
3- Noise Level
Passive DAS
Active DAS
Hybrid Passive/Active DAS
Hybrid Active/Passive DAS
Link budget - Downlink (DL)
Link budget - Uplink (UL)
Limiting Technology
3- Draft Design
4- Site Survey
5- Final Design

6- Installation and Implementation
7- Verification & Optimization
Used Tools
Is it safe?
Thank You!
Timeline
Case Studies
(UCS Hotel - Camp Randall Stadium - Sidi Gaber Railway Station)
UCS Hotel
Site Description
Venue Drawing
The UCS Building is a skyscraper in Braamfontein, Johannesburg, South Africa. It is a high rise building with 29 upper floors, a ground floor and 3 basement levels.
Coverage Area
GSM and UMTS coverage must be provided throughout the building:
- All rooms
- All delivery / basement area
- All offices
- Continuous Coverage in the lifts shafts.
- Floor 16 is not in the scope of coverage
Sector Plan
Sector #1: B3 - F15
Sector #2: F17 - F29
Critical Design Parameters
1. GSM (900)
2. GSM (1800)
3. UMTS (2100)
95% probability of a signal level better than -75 dBm, Internal system signal must exceed the signal of the external cells by at least 10 dB
95% probability of a signal level better than -85 dBm, Internal system signal must exceed the signal of the external cells by at least 10 dB
95% probability of a signal level better than -75 dBm, Internal system CPICH must exceed the signal of the external cells by at least 5 dB
Type of walls: glass, heavy concrete, dry wall and medium wood
Equipment Configuration
Type of DAS: Passive
Limiting Technology: UMTS 2100
Number of operators: 2
Number of carriers per operator: 3
Power per carrier: 43 dBm

Floor 05
Example 01
Existing coverage for Floor #05
Antenna Location + RSCP prediction map for Floor 5
Antenna Location + RSCP prediction map with -75 dBm Threshold for Floor 5
Floor 5 Feed Network
Floor 09
Example 02
Existing coverage for Floor #09
Antenna Location + RSCP prediction map for Floor 9
Antenna Location + RSCP prediction map with -75 dBm Threshold for Floor 9
Floor 9 Feed Network
Camp Randall Stadium
Site Description
Venue Drawing
It is an outdoor stadium in Madison, Wisconsin, located on the University of Wisconsin–Madison campus with a seating capacity of 80,321.
Coverage Area
GSM and UMTS coverage must be provided throughout the stadium from level 1 to level 9 including:
- All rooms
- All seating areas
- Continuous coverage in the lifts shafts.

Sector Plan
The system should consist of 16 sectors each with capacity
Critical Design Parameters
Type of walls: glass, light concrete, light Sheetrock and medium wood

Equipment Configuration
Type of DAS: Hybrid Active Passive
Limiting Technology: UMTS 2100
Number of operators: 3
Number of carriers per operator: 2
Power per carrier: 22 dBm

Floor 05
Example 01
Antenna Location + RSCP prediction map for Floor 5
Antenna Location + RSCP prediction map with -75 dBm Threshold for Floor 5
Floor 5 Feed Network
Sidi Gaber Railway Station
Site Description
Venue Drawing
Coverage Area
GSM and UMTS 90% coverage probability must be provided throughout the building:
- All rooms
- All seating area
- All offices
- Continuous coverage in the lifts shafts.

Sector Plan
One sector for each floor
Critical Design Parameters
1. GSM (900)
2. GSM (1800)
3. UMTS (2100)
90% probability of a signal level better than -75 dBm, Internal system signal must exceed the signal of the external cells by at least 10 dB
90% probability of a signal level better than -85 dBm, Internal system signal must exceed the signal of the external cells by at least 10 dB
95% probability of a signal level better than -75 dBm, Internal system CPICH must exceed the signal of the external cells by at least 5 dB
Type of walls: glass, heavy concrete, single brick and Elevator light wood - Elevator Metal

Equipment Configuration
Type of DAS: Passive
Limiting Technology: UMTS 2100
Number of operators: 3
Number of carriers per operator: 1
Power per carrier: 43 dBm

Floor 01
Antenna Location + RSCP prediction map for Floor 1
Antenna Location + RSCP prediction map with -75 dBm Threshold for Floor 1
It is the railway station at Alexandria, Egypt. It has 2 upper floors with dimensions 270*33*4m.
Floor 01
Floor 02
Existing coverage for Floor 1
AAST
Technical Challenges
High rise vertical height
Soft Handover zones
Limitations in Antenna location and routing
High existing outdoor coverage
Technical challenges
The corridor effect
Layout
High existing outdoor coverage
Roof
Gate (HO)
Technical Challenges
High penetration from macro cells.
Free space propagation.
Reflections & Scattering from structures.
Absorption by spectators in seating floors.

Access Technique
Uplink: SC-FDMA
Downlink: OFDMA
Voice 13 kbps
Data 9.6 kbps
Building B
Site Description
Venue Drawing
Building B is the second building among six buildings, it has four upper floor and a ground one.
Floor 04
Antenna Location + RSCP prediction map for Floor 4
Antenna Location + RSCP prediction map with -75 dBm Threshold for Floor 4
Floor 4 Feed Network
Technical Challenges
High rise vertical height
Soft Handover zones
Limitations in Antenna location and routing
Site Description
Venue Drawing
The Arab Academy for Science, Technology & Maritime Transport is a regional university operated by the Arab League which runs programs in marine transportation, business, and engineering.
Coverage Area
GSM and UMTS coverage must be provided throughout the building:
- All staff rooms
- All lecture rooms
- All halls
- All conference rooms
- All meeting rooms
- Continuous Coverage in the lifts shafts.
Sector Plan
Critical Design Parameters
1. GSM (900)
2. GSM (1800)
3. UMTS (2100)
95% probability of a signal level better than -75 dBm, Internal system signal must exceed the signal of the external cells by at least 5 dB
95% probability of a signal level better than -95 dBm, Internal system signal must exceed the signal of the external cells by at least 5 dB
95% probability of a signal level better than -85 dBm, Internal system CPICH must exceed the signal of the external cells by at least 5 dB
Type of walls: glass, heavy concrete, double brick and medium wood
Equipment Configuration
Type of DAS: Passive
Limiting Technology: UMTS 2100
Number of operators: 3
Number of carriers per operator: 1
Power per carrier: 32 dBm

4th Floor
Roof
Existing Coverage
Antenna Gain +/- 2 dBm
Documentation
Cable routing report
Link budget report
Equipment list report
Cross-reference report
Antenna report
Building C
Site Description
Venue Drawing
Building C is the third building among six buildings, it has four upper floor and a ground one.
Floor 02
Antenna Location + RSCP prediction map with -75 dBm Threshold for Floor 2
Floor 2 Feed Network
Technical Challenges
Limitations in Antenna location and routing
2nd Floor
Roof
Existing Coverage
Antenna Gain +/- 2 dBm
Documentation
Cable routing report
Link budget report
Equipment list report
Cross-reference report
Antenna report
Free space propagation.
Antenna Location + RSCP prediction map for Floor 2
One sector per building
Team formation
September 2015
Literature review of mobile communication
IBS review
Trials
Project design
Finalizing the project
September - October 2015
October - December 2015
January - March 2016
March - May 2016
June 2016
Building E
Existing coverage for Floor 05
Base Stations
Cabinet Size (W x D x H)
700 x 700 x 1450 mm
Hard Handover
Data 2 Mbps
Handover
Soft Handover
Softer Handover
Hard Handover
43 bands
Floor 1 Feed Network
=
Corner office problem
Full transcript