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multipath_channel_source_code
- 采用正弦波叠加法仿真多径衰落信道，计算信道频率响应-using sine wave superposition method simulation multi-path fading channel, Channel calculated frequency response
rx_estimate_channel
- OFDM频域算法，根据WLAN前导的长训练符号完成所有对子载波的信道频率响应的简单有效的估算，这两个长训练符号内容是一样的，因此二者的平均可以改进信道估算的质量。
rx_phase_tracker
- 数据辅助的载波相位跟踪，在第n个接收符号的DFT之后，导引子载波等于信道频率响应和已知符号的乘积根据余下的频率误差旋转以后的结果。
ray_chan_two.rar
- 这是一个频率选择性瑞利衰落信道的模型，程序建模为两径。,This is a frequency-selective Rayleigh fading channel model, the program is modeled as two tracks.
ofdm_program_matlab
- 802.11a OFDM MATLAB仿真代码,包括OFDM映射,IDFT/DFT,同步(时间/频率同步)和信道估计,以及频率偏移的估计等一系列代码-802.11a OFDM MATLAB simulation code, including OFDM mapping, SINGLE/DFT, synchronous (time/frequency synchronization) and channel estimation, and the estimated frequency offse
threeway
- 对3条固定路径的AWGN多径信道中的QPSK系统进行BER性能仿真（不同p和delay 的取值来分别定义莱斯（瑞利）平坦衰落信道、莱斯（瑞利）频率选择性衰落信道).-For three fixed-path multipath AWGN channel of the QPSK system BER performance simulation (different values for p and the delay are defined Rice (Rayleigh) flat fading
Jakes--rayleigh
- Jakes模型Rayleigh信道仿真问题,包括不同路径的增益，时间偏差，采样频率，载波频率等参数-Jakes model Rayleigh channel simulation problems, including different path gain, time deviation, the sampling frequency, parameters such as carrier frequency
the-performance-of-fading-channel
- 描述了衰弱信道的特性，分为大尺度和小尺度衰弱，以及频率选择性衰弱-Describes the characteristics of weak channels, divided into large-scale and small-scale weakness, and weak frequency-selective
2008_5
- 在三条径的瑞利信道中，对于直接序列扩频： (1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线，请解释在误码率为0.01时，两种合并方式所表现的不同的物理意义。 (2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真(自己编写代码S-Function
ofdm_fh
- 采用正交频分复用（OFDM）调制的跳频系统仿真模块，利用Simulink工具箱搭建。可更改跳频跳速,跳频频率数，载波频率，跳频间隔，FFT运算长度,循环前缀位数等相关参数。信道采用瑞利多径衰落信道和高斯信道，相关参数也可更改。希望有一定的参考价值，也希望站长开通我的下载功能，ID：gly201,非常感谢！-A simulation on Hopping Frequency communication system based on the OFDM technique.
fhfjk
- 多径多普勒信道模型，包括快衰落，慢衰落，频率选择性衰落，平坦衰落等-Ruili fading channel simulation, including delays, multi-path condition, the simulation can directly call functions
fade_fs
- 服从频率选择性衰落并且也服从瑞利衰落的信道。-Subject to frequency selective fading and also subject to Rayleigh fading channel.
multi_channel_model
- 多径信道模型，包括快衰落，慢衰落，频率选择性衰落，平坦衰落,多普勒信道等-multipath channel model, including fast fading, slow fading, frequency selective fading, flat fading, etc
time_varying_multipath_channel
- 单频信号经过多径时变信道后，输出信号的包络随时间随机起伏，输出信号的频谱从冲激谱变成一个窄带频谱。径数位20，变化频率从0—2HZ随机均匀抽取。-Single-frequency signal through time-varying multipath channel, the output signal envelope random fluctuations over time, the output signal from the impulse of the spectrum into
OFDM_synchronization
- 以FUNCTION的形式,再现了OFDM映射,IDFTDFT,同步(时间频率同步)和信道估计,以及频率偏移的估计等一系列代码.-To FUNCTION in the form of, reproduce OFDM mapping, IDFTDFT, synchronized (time and frequency synchronization), and channel estimation and frequency offset estimation and a series of cod
wanquangongxiang
- 动态信道分配的一种完全共享方案，所有用户和业务可以根据实际情况动态使用系统的时隙和频率资源-Dynamic channel allocation in a complete sharing scheme, all users and businesses can use the system according to the actual situation of dynamic time slot and frequency resources
LTE_transmition_technoiques
- 分析了LTE系统频率偏移，定时误差，信道估计问题等，并对广义Rake接收机和CPEDS接收机的性能做了比较。-Analysis of the LTE system frequency offset, timing error, channel estimation problems, and generalized Rake receiver performance receiver and CPEDS were compared.
wirelessreader
- *芯片组合为PIC16F690-I/SS + CC1100 (434Mhz)， *专为目前传统RS485电表设计,可不修改表的软件方式直接将RS485表升级成无 线且具有路由的表 *结合目前高效稳定的无线传输芯片TI CC1100. *拥有接近于透明串口传输(内置最大缓冲区32 bytes). *支持一对一,一对多传输 *软件在线目的地址切换 *软件在线信道频率切换 *支持信道侦听功能,降低数据冲撞机会. *支持数据确认功能,提升数据传送的稳定
qpsk
- 要求对有3条固定路径的AWGN多径信道中的QPSK系统进行BER性能仿真，并与在理想的AWGN信道中同样系统的BER性能进行比较。熟悉瑞利平坦衰落、莱斯平坦衰落与频率选择性衰落的特点，比较这些衰落信道的误码率。-Required to have three fixed-path AWGN multipath channels of QPSK system BER performance simulation, and in an ideal AWGN channel with the same
G13_PassChan_Hp_TDD
- MIMO瑞丽信道,8x8，输出信号的同时输出每条信道的频率特性-MIMO Rui Lixin Road, 8x8, the output signal while the output frequency characteristics of each channel