University of Khartoum

Analysis of the Performance of CDMA Correlation Reception under the Influence of Interference

Analysis of the Performance of CDMA Correlation Reception under the Influence of Interference

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Title: Analysis of the Performance of CDMA Correlation Reception under the Influence of Interference
Author: Hamad, Khalil Dawi Musa
Abstract: Wireless communications has undergone many developments especially in the early nineties when Code Division Multiple Access was introduced for commercial use. In the CDMA system the users are assigned all the bandwidth of the system all the time, and the accessing technique depends on the orthogonal codes assigned to each user. As number of users in the system begins to increase the orthogonality of these codes begin to reduce which deteriorates the performance of the system. This project aims to analyze the CDMA correlation reception under the influence of interference caused by multiple users accessing the system using non- perfectly orthogonal codes. The IS-95 CDMA system was modeled using MATLAB, and the number of users and the corresponding bit error rate BER were tested against the signal to noise ratio SNR. The results obtained were analyzed and discussed, and the optimum number of users for the designed model was stated
URI: http://khartoumspace.uofk.edu/handle/123456789/18484
Date: 2009-07


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