Description: Discussion 了 CDMA digital mobile communication error control problems, research with the constraint degree K = 9 convolutional coding and maximum likelihood V iterbi error control coding scheme. In V iterbi decoding algorithm, the proposed in situ expression Duoliang save the transfer process and cycle path to access the surviving path and so on, can effectively reduce the storage capacity, lower power consumption, making the K = 9 of the V iterbi decoding algorithm can be based on the single XC4010 FPGA devices to achieve their performance indicators in line with CD2 MA IS 95 digital mobile communications standard. paper presents the measured performance of the algorithm, discuss the specific FPGA realization.
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