An Investigation And Modeling Of Multipath Effect In Communication Transmission Channel Using MATLAB

Liu, Susana (2006) An Investigation And Modeling Of Multipath Effect In Communication Transmission Channel Using MATLAB. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

[n wireless communication systems, the transmitted signal is distorted by various phenomena that are intrinsic to the structure and contents of the wireless channel. Among these, multipath fading is a dominant source of distortion in wireless communications. Fading refers to the fluctuations in amplitude, phases and multipath delays over very short travel distances or very short time durations. Such channels typically represent wireless channels that introduce errors in bursts. In order to provide error protection to the message stream transmitted over such channels, redundancy is introduced by means of channel coding schemes. In this project, an analytical model to evaluate the transmitted signal trough the wireless communication system and effects of multipath and fading on the performance of a communication system channel is simulated using MA TLAB. Differential Phase Shift Keying (DPSK) will be used as a modulation sheme in this proposed model. For modeling multipath and fading effect, Rayleigh distribution will be used.

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