Abstract
The user demand for high speed multi-media application has been increasing many folds in the recent years. New smart phones are launching in the market. The wireless communication is looking forward for a new generation technology that will match the application demand and resources. This is where the fourth generation (4G) wireless communication is required. 4G wireless communication is expected to provide better speed, high capacity, low cost IP based services. The main objective of the 4G wireless communication is to supersede the current core technology with a single unified technology. More and more advanced interactive multimedia applications are emerging as 4G networks resulting in a rapid development of video coding and communication techniques. This paper deals with the current scenario and the future prospects of the 4G system in addition with the challenges it is going to witness.
Highlights
Video communication is facing many challenges now. 4G wireless networks will provide many features to handle this [2]
It will provide the end-users more opportunities and flexibilities in accessing video and multimedia contents. It accommodates radio access systems via flexible core IP network, resulting in a very high data rate, and enhancing the video applications. It provides better quality of service and security supports to the end users, and enhances the user experiences and privacy for multimedia applications
The quest for video applications and services would bring in a large volume of data transmission onto the wireless network
Summary
Video communication is facing many challenges now. 4G wireless networks will provide many features to handle this [2]. It accommodates radio access systems via flexible core IP network, resulting in a very high data rate, and enhancing the video applications It provides better quality of service and security supports to the end users, and enhances the user experiences and privacy for multimedia applications. The quest for video applications and services would bring in a large volume of data transmission onto the wireless network This is going to be a potential challenge for the 4G systems. This includes mobile television support to receive live programmes, multi user networked three- dimension games, realistic 3D scene rendering and high definition visuals The lack of these functions are due to computational capabilities and power constraints of the mobile devices, available bandwidth and transmission efficiency of the wireless network, universal access capability of the infrastructure, and the compression and error control efficiency of video and graphics data.
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