26-05-2012, 01:10 PM
4th Generation Wireless Communication System
4-G.pptx (Size: 353.08 KB / Downloads: 31)
APPLICATIONS OF 4G SYSTEMS
TO PROVIDE A FACE TO FACE COMMUNICATION.
THREE MAIN DIRECTIONS FOR ENHANCING MEDIA COMMUNICATION REALITY ARE
3D AUDIO COMMUNICATION
3D VISUAL COMMUNICATION
BIOLOGICAL INFORMATION COMMUNICATION
REQUIREMENTS OF 4G SYSTEMS
1.BROADBAND WIRELESS ACCESS
2G -MAINLY USED FOR TEXT BASED DATA COMMUNICATION
3G-HIGH BITRATE(64 KBIT/S TO 384 KBIT/S)
4G-SHOULD PROVIDE BETTER COMMUNICATION USING ASDL , OPTICAL FIBER ACCESS SYSTEMS & OFFICE OR HOME LANs
Design Objectives
TRANSMISSION RATE
3-G IS10Mbit/s TO 100Mbit/s
4-G (100Mbit/s FOR OUTDOORS & IN Gbit/s FOR INDOORS)
INCREASED CAPACITY
HIGHER PERFORMANCE THAN EXISTING SERVICES
EASY TO USE
APPROACH TO 4G SYSTEM CONFIGURATION
Technical Challenges
Technology for Implementing High-capacity and High rate Transmission
Technologies for Cost Reduction
System Interconnection Technology Based on IP Networking