搜索资源列表
cdmasim
- 一个多径/衰落环境下的CDMA系统,仿真模型中包含了干扰和热噪声,这个仿真模型可以产生许多性能结果。需要支撑子程序MSquence.m,LinearFeedbackShiftRegiater.m.
shadow-model
- 阴影衰落建模,随机产生的服从正态分布的阴影衰落相互间没有相关性,而实际上阴影衰落在空间上有很强的相关性,代码中采用卷积的方法得到服从空间相关性的一组阴影衰落参量-the model of shadow fading
channel
- 仿真了4种常见多径衰落信道,包括无人机信道-The four common multipath fading channel, including the uav channel
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
ofdm
- QPSK调制信号经过AWGN、Rayleigh衰落信道的误码率-QPSK modulated signal through AWGN, Rayleigh fading channel bit error rate
lwj0
- 提供UI界面进行典型无线衰落信道的仿真,效果非常不错-UI interface to provide a typical wireless fading channel simulation, the effect is very good
wssus_simulink
- 仿真了WSSUS信道的调相仿真模型,通过此模块,可以观察信号在传输过程中产生的多径效应和衰落情况。-WSSUS channel simulation of the PM simulation model, the passage of this modules, can be observed in the transmission signal generated by multi-path effects and the decline of the situation.
ofdm
- 只有一个文件,包含64个子载波的OFDM系统在多径衰落信道中LS和MMSE信道估计误码率比较,MATLAB程序-Only then a document, contains 64 sub-carriers the OFDM systems in the multi-diameter fading channel LS and the MMSE channel estimate error rate comparison, the MATLAB procedure
rayleigh
- 由于信号进行多径传播达到接收点处的场强来自不同传播的路径,各条路径延时时间是不同的,而各个方向分量波的叠加,又产生了驻波场强,从而形成信号快衰落称为瑞利衰落。-Because the signal carries on the multipath propagation to achieve the point of reception place field intensity from the different dissemination way, each way delay time
OFDM
- 基于自适应压扩法降低OFDM系统的峰均比。正交频分复用(OFDM,Orthogonal Frequency Division Multiplexing)技术可以出色的对抗抗多径衰落、消除码间干扰且具有极高的频谱利用率。此外它还采用了快速傅立叶变换,大大降低了收发机的实现复杂度,因此被广泛地应用于HDSL、ADSL、DAB、HDTV、WLAN等领域中。 但是,目前OFDM技术还有很多关键问题没有得到有效解决,如对频偏敏感、高峰均功率比问题等,这些都限制了OFDM技术的近一步广泛应用。本论文主要
Matlab_Wireless_Communications
- Matlab_Wireless_Communications_各种应用例程.rar 包含大量的matlab模型,执行代码,有信道模型,接收机模型,路径衰落,蓝牙等等通信相关matlab代码-Matlab_Wireless_Communications
reilishuoluo
- cdma通信过程中信道瑞利衰落模型及m伪随机序列的仿真-cdma communication process for channel Rayleigh fading model and the simulation of pseudo-random sequence m
shaow
- 通信系统lte发展中慢(阴影)衰落仿真模型,只需要输入几个参数-Lte the development of communication system simulation model of slow fading, just enter a few parameters
MQAMRayleighCh
- rayleigh衰落信道下,卷积编码与M-QAM调制相结合的系统分组错误概率与信噪比的函数关系的matlab仿真程序-rayleigh channel, convolutional coding and M-QAM modulation system, the combination of packet error probability and SNR is a function of the matlab simulation program
capacity-in-SNR
- 给出了MIMO系统中的通信容量在不同的信噪比中以及在不同的衰落环境中的具体数值-MIMO capacity in various BER
ofdm_channel_wide
- ofdm,qpsk信道瑞利衰落仿真器C程序代码-OFDM,QPSK fading channel simulator
Cooperative-Diversity-
- 协作分集:提出了一个能抵抗无线网络多径衰落的协作分集协议-low-complexity cooperative diversity protocols that combat fading induced by multipath propagation in wireless networks
大尺度信道衰落模型-室外信道模型-Okumura model
- 大尺度衰落模型,很实用,对初学信道建模的同学很有帮助!(Large-scale decline model, very practical, very helpful for beginners channel modeling students!)
瑞利
- 瑞利衰落和莱斯衰弱的信道分布,当莱斯分布在K=-40dB和K=-15dB时分别接近于瑞利分布和高斯分布(Channel distribution of Rayleigh fading and Rice fading)
