Impact of Linear and Nonlinear Channel Equalization Algorithms on User Achievable Rates and Energy Efficiency on Uplink Large Scale MIMO Techniques for Next Generation Networks
Journal Title: American journal of Engineering Research - Year 2018, Vol 7, Issue 6
Abstract
In multiuser wireless communication systems, interference and fading are two key factors that impact the energy efficiency and user data transmission capacity which can be deal with by means of channel equalization. In this paper, the influence of linear and non-linear channel equalization on single cell MIMO system with equivalent dimensions of antennas at the receiver and transmitter is demonstrated. Specifically, the achievable rates and energy efficiencyperformances of four channel equalization algorithms which includes the minimum-mean-square-error (MMSE), zero forcing (ZF), Zero forcing successive interference-cancellation (ZF-SIC) and minimum-mean-square-error successive interference-cancellation (MMSE-SIC) are studied extensively through computer simulations. Our results indicates that the non-linear MMSE-SIC and ZF-SIC equalization schemes outperform the linear ones by 24 to 29% in terms user achievable rates and energy efficiency. This can be justified by the fact that the linearchannel equalization schemes does not fully suppress interference among users for enhanced data transmission compared to nonlinear schemes which exploit extra signal processing techniques by means of SIC to provide improved user information transmission thereby delivering higher performance gains at the receivers.
Authors and Affiliations
Joseph Isabona, Kingsley Obahiagbon
Keywords
Related Articles
- EP ID EP397525
- DOI -
- Views 73
- Downloads 0
Factors Influencing The Performance Characteristics of Terry Warp-Knitted Towels
Terry fabrics and particularly – terry towels, are among the most frequently used textile items in the world. A terry towel is described as a textile product which is made with loop pile on one or both sides generally co...
Design, Development and Performance Evaluation of an Anaerobic Plant
The need for safe and cost effective alternative energy source is a major challenge facing developing economies globally. This study explored the design, development and performance evaluation of a cost effective anaerob...
Design ofaLow Cost Concrete Mixer Machine
The construction and building industries are expanding on a daily basis as a results of increase in human population and continually demand for shelter. Concrete which comprises mainly of sand, cement and gravel is an im...
Methods for Determining Oxygen Overvoltage and Anode Poisoning Over Time at Iron-Group Metals under High Current Densities in Alkaline Water Electrolysis
Determination of oxygen overvoltage (s) is complicated by high current densities under alkaline water electrolysis. Therefore, it is desirable to develop method for advanced control of oxygen overvoltage. Here, we show...
Role of Arterial Stenosis on Non-Newtonian Flow of Blood in Presence of Slip Velocity
An attempt has been made to study the role of arterial stenosis on blood flow in presence of slip velocity. In the present analysis Herschel-Bulkley fluid represents the non-Newtonian character of blood. The hemodynamic...