Abstract
Wide-Band Code Division Multiple Access (W-CDMA) is designed to offer more flexible wide band service which cannot implement by all the current cellular systems. The performance of a W-CDMA is limited by the synchronous transmission that users are creating between them during transfer the information, and a result of losing synchronous properties it becomes more difficult for the users to maintain reliable communication.
In this paper, an algorithm is proposed in which improved the window block correlation tracking to solve this problem. That this mechanism depends on the system estimator to calculate the threshold of error in time and determine the value of the Power Delay Profile PDP at the point of synchronization by relying on guess the behavior of the PDP adaptively. Computer simulation tests are used to examine the performance of the proposed algorithm with different channel conditions, AWGN and user movement and the results show that it less complexity and faster in decision to get the synchronization as compared with the traditional algorithm.
