The performance of channel estimator determines the performance of the MIMO systems because of the interference between various antennas and the inter-symbol interference (ISI).

MIMO系统中，由于各天线间干扰以及码间干扰等问题的存在，信道估计性能成为影响系统性能的决定性因素。

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Then analyzes the performance of overcoming inter symbol interference (ISI) and inter channel interference (ICI) of the guard interval (GI) and the cyclic prefix (CP).

接着分析了保护间隔和循环前缀抗符号间干扰(ISI)和信道间干扰(ici)的性能。

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Moreover, serious ISI (Inter-Symbol Interference) and ICI (Inter-Carrier Interference) can be readily circumvented by introducing CP (Cyclic Prefix).

而且，循环前缀的引入消除了符号间干扰(ISI)，避免了信道间干扰(ici)。

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