This book includes high-quality papers presented at Proceedings of First International Conference on Computational Electronics for Wireless Communications (ICCWC 2021), held at National Institute of Technology, Kurukshetra, Haryana, India, during June 11-12, 2021. The book presents original research work of academics and industry professionals to exchange their knowledge of the state-of-the-art research and development in computational electronics with an emphasis on wireless communications. The topics covered in the book are radio frequency and microwave, signal processing, microelectronics and wireless networks. 

Chapter 1. Design of DGS Compact UWB Antenna for C, X, Ku and Ka-Band Applications using ANN and ANFIS Optimization Techniques.- Chapter 2. Design and analysis of MIMO antenna to reduce the mutual coupling between the circular patches at 3.5 GHz.- Chapter 3. Comparative analysis of Dipole and Bowtie Antenna on 2.4 GHz.- Chapter 4. Gain Enhancement of Dual Layer Patch antenna for WLAN Applications.- Chapter 5. Dual Band Microstrip Patch Antenna for Wireless Communication.- Chapter 6. Dual band tag antenna design for UHF-RFID band applications with high read range Performance.- Chapter 7. Impact of Packet Retransmission on VoWiFi Cell Capacity using Fifth Generation WLAN.- Chapter 8. Efficient Channel Estimation in mmWave massive MIMO using hybrid beamforming.- Chapter 9. Efficient Techniques for FIR Filter Designing.- Chapter 10. Design and Analysis of Two-Stage Operational Amplifier for Biomedical Applications.- Chapter 11. CMOS CDBA based Low Voltage Low Power Universal filter.- Chapter 12. A Case Study and  view on Current Trends in Solar Energy: Path to A Greener Environment.- Chapter 13. Design and Simulation of Serial Peripheral Interface Protocol using Pulsed Latches.- Chapter 14. Low-Power High-performance Hybrid Scalable Full Adder for Fast Computation.- Chapter 15. A Novel Controlled Positive Feedback Class AB OTA.