
                        Interference Management in Cognitive Radio Networks using Cooperative Beamforming with Imperfect CSI
                        
                        
                        
                        
                        Design and Fabrication of a Compact Microstrip Low-Pass Filter with Sharp Transition Band and High Suppression Factor
                        
                        
                        
                        
                        Design and Modeling of Room-Temperature Analog-to-Digital Converters based on Nano-scale Semiconductor Quantum-dot Single Electron Transistors
                        
                        
                        
                        
                        A new design for improving the Slew rate of Low Power Two-Stage Operational Amplifier with Single-Ended