A Comparative Review of Improvements in Long Term Evolution

Long Term Evolution (LTE) is one of the major technologies on the rise in the world as of today. It is a 4G network launched by the Third Generation Partnership Project (3GPP). LTE Release 8 was the first standard that launched LTE network with an entire change of radio interface and core network. It was designed to offer higher data rate and capacity over mobile networks to accommodate increase in the number of users and data services. In addition the design was made to support simplified architecture with only packet switched services in order to ensure negligible interference; hence supporting real time application with reduced latency and higher efficiency. Furthermore, the continuous growth in data usage has created a need to take an evolutionary step for an efficient and continuous development of LTE. This step has brought about more upgrades and releases such as 3GPP Release 10, Release 11 and Release 12, otherwise known as LTE Advanced (LTE-A). It is widely believed that this will offer robust management of anticipated growth in network technology. This work reviews the improvements in LTE Advanced technology

A Comprehensive Study of Optimal Linear Pre-coding Schemes for a Massive Mu-MIMO Downlink System; a Survey

Massive Multi-User Multiple input Multiple Output (MU-MIMO) has become one of the leading area in terms of research in wireless communication due to the fact that the number of users and applications have increased tremendously, among all the aspects of massive mu-mimo systems out there, this manuscript focuses on linear precoding for downlink (DL) system at the base station(BS). This manuscript provides a comprehensive survey of precoding techniques for downlink transmission under a single-cell (SC) scenario. In a single-cell (SC) scenario the performance of the precoding techniques, Zero-Forcing (ZF), Match Filter (MF),Truncated polynomial Expansion and Regularized Zero-Forcing (RZF) are analyzed and compared in terms of Spectral Efficiency, and Achievable sum rate, a Rayleigh fading channel under perfect channel state information (CSI) is assumed. The template is used to format your paper and style the text. All margins, column widths, line spaces, and text fonts are prescribed; please do not alter them