4Gtechnology

4G WIRELESS SYSTEMS

SEMINAR REPORT
2011
Done by
SANDEEP
2907247

Department of Electronics & Communication Engineering

ACKNOWLEDGMENT

I would uniform to thank everyone who succored to see this seminar to completion. In particular, I would like to thank my seminar coordinator Mrs. Muneera.C.R for her moral support and guidance to complete my seminar on conviction. withal I would like to thank Mr. C. D. Anil Kumar for his invaluable help and support.

I would like to take this opportunity to thank Prof. Indiradevi, interrogative sentence of the Department, Electronics & Communication Engineering for her support and encouragement.

I express my gratitude to all told my friends and classmates for their support and help in this seminar.

Last, but not the least(prenominal) I wish to express my gratitude to God almighty for his extensive blessings without which this seminar would not have been successful.

ABSTRACT

Fourth generation wireless carcass is a packet switched wireless system with wide theater of operations coverage and high throughput. It is designed to be cost hard-hitting and to provide high spectral efficiency . The 4g wireless go fors extraneous Frequency Division Multiplexing (OFDM), Ultra Wide Radio telephone (UWB),and Millimeter wireless.



Data rate of 20mbps is employed. Mobile speed give be up to 200km/hr.The high performance is achieved by the use of long term channel prediction, in both time and frequency, scheduling among users and smart antennas combined with adaptive transition and indicator control. Frequency band is 2-8 GHz. it gives the ability for world wide roaming to annoy cell anywhere.

1. INTRODUCTION
Wireless mobile-communications systems are uniquely identified by generation designations. Introduced in the early 1980s, first-generation (1G) systems were marked by analog-frequency modulation and used primarily for voice communications. Second - generation (2G) wireless-communications...If you want to get a full essay, order it on our website: Orderessay



If you want to get a full essay, wisit our page: write my essay .