Part 1: Communication.- Chapter 1. Simulation and Implementation of Circular Microstrip Patch Antenna.- Chapter 2. Reflection Characteristics Improvement of Wide Band Coupled Line Power Divider Using SRR.- Chapter 3. All-Optical Frequency Encoded Dibit-based Half Subtractor using Reflective Semiconductor Optical Amplifier with Simulative Verification.- Chapter 4. An Improved CMOS Ring VCO Design with Resistive-Capacitive Tuning Method.- Chapter 5...