FEMTOCELL

BY: Susmita Roy (M.Tech 1stSem)

OUTLINE

INTRODUCTION

PROBLEMS OF EXISTING MOBILE

TECHNOLOGIES

WHAT IS FEMTOCELL

COMPONENTS

WORKING

ARCHITECTURE

BENEFITS

CHALLENGES

CONCLUSION

REFERENCE

INTRODUCTION

Wireless world

Doubled wireless capacity

Evolutionary Cellular Phone Service

• 25 * wider spectrum

• 5 * modulation schemes

More Preference to mobile handset

VoIP

PROBLEMS

Low signal strength

Poor voice quality

Slow data rates

Authentication issues

QoS issues

Expensive deployment

WHAT IS FEMTOCELL

Femto range 10-50 meters

Small Low power base station

Installed in home

Licensed indoor coverage.

Combination of interfaces with existing

mobile technologies.

Plug and play device

Physical Appearance

Interfaces

DSL/CABLE

UMTS

CDMA2000

WiMax

LTE (Long Term Evolution based on 3GPP)

REQUIREMENTS OF FEMTOCELL

Femtocell

Broadband Connection

Internet service provider

GPS

Working of femtocell

GENERIC ARCHITECTURE

Components and Reference

pointsFAP

Broadband Gateway

Fa (FAP ,broadband gateway and FGW)

FGW

Fb(Cs Net, Ps Net and Ims Net)

Subscriber Database

Fr and Fs(Subscriber Database and FAP)

Femto application server

3GPP architecture

SERVICES and

APPLICATION

Home security

Multimedia

Video door bell

Gaming

Shopping

Child monitor

ADVANTAGES

Cellular Users

Simple deployment

Increased user throughput

Lower transmit power

Prolong handset battery life

Improved indoor coverage

New applications

Security

Network Providers

Enhanced services

Increased revenue

Offload data traffic

Increased area spectral efficiency

Improved customer satisfaction

CHALLENGES

Challenges

Technical

Issues

Economic and

Regulatory Issues

Technical Issues

Cell association and biasing

Interference Soft handover

Economic

and

regulatory Issues

Health issues Spectrum issues

Licensing issue

FUTURE SCOPE

CONCLUSION

Extensive testing in progression

Issues to be resolved

Fault free target

Alleviates pressure on macrocell

Immense help to rural areas

Potential to Speed up existing mobile

technologies

REFERENCE Jen Chen, Peter Rauber, Damanjit Singh, Chandru Sundarraman,

Peerapol Tinnakornsrisuphap, Mehmet Yavuz, “Femtocells –

Architecture & Network Aspects,” IEEE Communications

Magazine, vol. Jan 28, 2010

V. Chandrasekhar, J. G. Andrews, and A. Gatherer, “Femtocell

networks survey,” IEEE Communications Magazine, vol. 46, no.

9, pp.59–67, September 2008.

Debjani De, Ravi Raj Bhat and V. Srinivasa Rao, “Iuh: A

Protocol Solution for Scaling Femtocells,” Radisys whitepaper,

vol. 9, no. 10, pp. 3798 – 3809, Dec. 2010

Informa Telecoms & Media, “Femtocell Market Status,”

Femtoforum whitepaper, 2011. 25 October 2013 25

Khaled Elleithy and Varun Rao, “Femto Cells: Current Status

and Future Directions,” International Journal of Next-

Generation Networks (IJNGN) Vol.3, No.1, March 2011

THANK YOU