Abstract
To resolve the problem of the frequency selective fading and intersymbol interference (ISI) caused by data transmission in channel, this study researches on multicarrier spread spectrum technique. According to the special structure of multicarrier direct sequence code division multiple access (MC-DS-CDMA,) system, this study analyses the relation of parameters configure and resumable path numbers, and the performance of system in different parameters configure and multi-user. By the simulating and comparing of the same bandwidth and measure arithmetic at last, it can obtain better performance than the direct sequence CDMA (DS-CDMA, direct sequence code division multiple access) and greatly promote the capacity of anti-MAI (multiple access interference) and anti-ISI in the process of transmission.
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