This document presents a detailed solution to an assignment on Wireless Networks and Communication, covering various aspects of the subject. The solution addresses questions related to the IP layer in the TCP/IP protocol, communication between individuals speaking different languages, and the characteristics of different signals including amplitude, frequency, time period and phase. The assignment also delves into isotropic free space loss calculations, the determination of fundamental frequency and bandwidth in signal analysis, and the application of Nyquist's theorem. Further, it explores the differences between circuit switching and packet switching, and concludes with a problem on calculating the height of towers based on their distance and the Earth's curvature. This solution provides a comprehensive understanding of the concepts and calculations involved in wireless networks and communication.