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0331231
- ：正交频分复用(OFDM)是第四代移动通信的核心技术。该文首先简要介绍了OFDM基本原理，重点研究了理想同步情 况下，保护时隙(cP)和不同的信道估计方法在高斯信道和多径瑞利衰落信道下对OFDM系统性能的影响。在给出OFDM系 统模型的基础上，用MATLAB语言实现了整个系统的计算机仿真并给出参考设计程序-: orthogonal frequency division multiplexing (OFDM) is the fourth-generation mobile communic
ofdm2
- 这是一个仿真移动通信信道幅频响应的matlab仿真程序。-This is a simulation of mobile communications channel amplitude frequency response of Matlab simulation program.
mulpathpowerspectrum
- 这是一个移动通信多径信道的功率谱响应（包括相位，延时响应等）的matlab程序。-This is a mobile communications multipath channel response to the power spectrum (including phase, Delayed response, etc.) Matlab procedures.
simu
- This program shows the distributions of the co-channel interference in forward and reverse link in the cellular mobile system with cluster size N, when the mobile subscriber (MS) is at random positions of a cell.
ssss
- Channel Estimation and Data Detection for Mobile MIMO OFDM System 一篇详细介绍Channel Estimation and Data Detection for Mobile MIMO OFDM System的博士论文。
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- 把地理区域分成一个个小区，蜂窝系统在该区域内提供无线覆盖。把可用的频谱分成很多信道，每个小区分配一组信道。使用频分双工（FDD）。在小区间进行频率利用，N个小区构成一个簇，簇间进行频率复用。定义了传播特性（信道参数）以及同频小区的位置。信道的参数包括：小区半径，路径损耗指数，以分贝为单位的对数正态阴影的标准差，基站发射功率级，移动台发射功率级，每个小区的扇区数，扇区化天线的正反向比，要仿真的瞬时位置的组数，同频干扰阈值。-To a geographical area is divided int
erlang-b
- This program is used for channel capacity v.s. blocking probability estimation, which is used for mobile communication
bianbu
- 一个信号通过移动无线信道所经历的衰落取决于传输信号的性质和多径信道的统计特性。 信号参数为带宽Bs、符号周期Ts，两者互为倒数-A signal through the mobile radio channel fading experienced by signals depends on the nature and multi-path channel statistical characteristics. Bandwidth of the signal parameters for t
release
- 一个完整的sp计费通道后台包含各个移动业务是个很缺少的源码-A complete background includes various sp-channel mobile billing business is a very essential source
matlab
- 蜂窝移动通信系统中的同频干扰仿真。旨在找到簇大小为N时，无线移动蜂窝系统中同频干扰的分布。-Co-channel interference in cellular mobile communication system simulation. To find the distribution of cluster size N, wireless mobile cellular systems in the same frequency interference.
rayleigh-chan
- 程序仿真了瑞利信道，分析和大量实测表明，多径效应使接收信号包络变化接近瑞利分布。在典型移动通信中，衰落深度达30dB左右，衰落速率约30~40次/秒。-Rayleigh channel simulation procedures, analysis and extensive test shows that the received signal multipath effect changes in the envelope close to the Rayleigh distribution
Neural-Network--channel-Estimation
- the effects of neural network aided estimation in such receivers are considered. Neural network acts as a pre-processing block to the estimator.-Orthogonal frequency division multiplexing (OFDM) has high data rate capacity and lower Inter Symbo