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scme-2006-08-30
- 3gpp信道模型代码,加入mimo,多径等
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.
Rayleigh.rar
- 共享偶的Rayleigh信道MatLab代码(单径+多径)\Rayleigh.rar,Sharing dual Rayleigh channel MatLab code (single-path+ multi-path) \ Rayleigh.rar
Delay_spreadRMS
- 本matlab文档进行了LTE系统中对于无线信道的参数均方根时延扩展的具体计算方法,将多径信道中的各路时延与参数rms联系起来。-The matlab document the LTE system, the parameters for the wireless channel rms delay spread of the specific calculation method, the multipath channel parameters of the brightest and th
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
- OFDM系统在COST207信道下的多径仿真-OFDM system in the COST207 channel simulation under multipath
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
JDCHE_and_JDPP_for_TD_SCDMA
- TD-SCDMA系统联合检测中的信道估计、信道估计后处理、信道估计串行干扰消除后处理算法的源代码。其中,信道估计采用频域快速FFT法以减少运算量;后处理采用激活窗检测法,只保留激活用户的多径信息,其余置0,以达到降低干扰及噪声的目的;串行干扰消除可以消除多小区信道估计的干扰,以得到本小区的纯净信道估计结果。-TD-SCDMA system, joint detection of channel estimation, channel estimation and post-processing,
mc_cdma_success_fft_size128
- MC-CDMA系统性能仿真,高斯信道,两路多径干扰,其中还有码同步问题。配有详尽的解释-MC-CDMA system performance simulation, Gaussian channel, two-way multi-path interference, which are code synchronization. With a detailed explanation
OFDMsystem
- 正交频分复用技术是近年来发展起来的新技术,在高速无线数据传输领域有很大的应用前景。文章在分析和总结相关文献的基础上,介绍了正交频分复用(OFDM)技术的发展历史,讨论了正交频分复用技术的基本原理和实现方法。通过分析表明,在高速无线通信中OFDM对于消除符号间干扰(ISI),降低系统的复杂度等方面具有很大优势。正交频分复用(OFDM)是一种多载波宽带数字调制技术,它能有效地克服传输中的多径干扰和消除码间串扰,适合于高速率的地面信道视频传输。本文就OFDM技术进行了较为详尽的分析,并对OFDM的传输
td-scdma_Rayleigh-channel_joint-detection
- TD-SCDMA,1基站1单天线用户系统,瑞利多径信道,联合检测(JD)matlab程序-TD-SCDMA, 1 single-antenna base station a user system, Rayleigh multipath channel, joint detection (JD) matlab program
channel_case3
- 用matlab实现多径瑞利信道,详细参数程序内有注释说明-Using matlab to achieve multi-path Rayleigh channel, detailed explanatory notes within the parameters of procedures
channel-mode
- 瑞利无线通信信道建模,包括多径和多普勒频移-doppler affect the rayleigh channel
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
channel
- 各种信道生成程序,包括多径,rayleigh,rician,COST,还有一个randraw程序,通过填写参数可以生成各种信道-Various channel formation process, including multipath, rayleigh, rician, COST, there is a randraw process parameters can be generated by completing a variety of channels
SUI-channel-model-simulation
- 一篇不错的文章,给出了IEEE802.16协议中规定SC—FDE技术使用的主要信道SUI无线信道的仿真-SUI channel model simulation, used in sc-fde of IEEE802.16