دراسة ومعالجة ظاهرة الصدى في نظام الاتصالات

The phenomenon of echo in wired and wireless communication is considered to be one of the most important obstacles that affects the quality of the signal and system performance. This research aims to study the phenomenon of echo, its reasons, and its mechanisms. Bearing the outcome in mind, a method is to be suggested to overcome these obstacles. The echo and the echo canceller were simulated by MATLAB using NLMS to suppress the echo of the communication channel. This paper offers effective suggestions to overcome the echo signal and therefore ensure the quality of communication.