Secondly influence in system performance that is caused by the number and relativity of antenna is studied. The principle of coding and decoding, channel simulation model, system model are given, the effect of the relativity of antenna is simulated and method that reduces the influence is put forward.
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无线信道是移动通信的传输媒体，研究其特性并建立一个与实际传输环境相符合的无线信道仿真模型都有着十分重要的现实意义。
Researching its characteristics and establishing a simulation model which conforms to the actual transmission environment of the radio channel have a very important practical significance.
文章首先简要介绍了OFDM的基本原理，建立了系统仿真模型，对系统的同步和信道估计进行了分析。
Beginning with brief introduction for the basic principle of OFDM, this paper establishes the system simulation model and thereafter analyzes the synchronization and channel estimation.
根据北京地区移动通信无线电传播规律，在信号快衰落幅度服从m衰落的基础上，给出了M衰落波形信道的计算机仿真模型。
Based on the propagation regularity of land mobile communication in Beijing, this paper gives the computer simulation model of M-distribution fading wave channel.
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