University of Bahrain

About: University of Bahrain is a education organization based out in Madīnat ‘Īsá, Bahrain. It is known for research contribution in the topics: Thin film & Doping. The organization has 1650 authors who have published 3405 publications receiving 48162 citations. The organization is also known as: Bahrain University & UoB.

Antenna Array Pattern Synthesis and Wide Null Control Using Enhanced Particle Swarm Optimization

Abstract: In this paper, Enhanced Practical Swarm Optimization (EPSO) algorithm is proposed to be applied to pattern synthesis of linear arrays. Updating formulas of global best particle position and velocity are modifled to improve the convergence accuracy of classical Practical Swarm Optimization. The developed EPSO is tested and compared with a standard benchmark to be validated as an e-cient optimization tool for beamforming applications. Difierent numerical examples are presented to illustrate the capability of EPSO for pattern synthesis with a prescribed wide nulls locations and depths. Collective multiple deep nulls approach and direct weights perturbations approach are considered to obtain adaptive wide null steering subject to peak side lobe level and minimum main beam width constraints. Starting from initial Chebyshev pattern, single or multiple wide nulls are achieved by optimum perturbations of elements current amplitude or complex weights to have either symmetric or asymmetric nulls about the main beam. Proper formation of the cost function is presented for all case studies as a key factor to include the pattern constraints in the optimization process.

The role of private sector in the implementation of sustainable development goals

Abstract: On September 25, 2015, the Sustainable Development Agenda of 2030 was agreed and adopted by the United Nation. This agenda consists of 17 sustainable development goals (SDGs) and 169 targets. It expressed a global call for taking urgent actions to save the planet. In this regard, the private sector is one of the key stakeholders that could shoulder a fundamental responsibility for accelerating the SDGs implementation process. The current article reviews important aspects of the role of the private sector toward SDGs achievement. The corporate social responsibility, circular economy, and the environmental initiatives are required to support the implementation of SDGs. However, for achieving SDGs the private sector faces a number of challenges such as lack of influential leadership, harmonious partnerships, shortage of investments, exhaustiveness and complexity of interlinkages among the goals and their targets, and lack of monitoring and evaluating methods for assessing the progress of implementation. Moreover, there is a dire need for a reliable set of measurable indicators to support the private sector in measuring the implementation progress. This review article highlights the role of private sector in beating the challenges confronting the achievement of SDGs.