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.
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
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
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
ofdm_fading
- 此程序描述OFDM系统中多径衰落信道的仿真和实现,包含信道转移矩阵的计算和变换等-This procedure describes the OFDM system simulation and implementation of multipath fading channels, including the calculation and conversion channel transfer matrix, etc.
WCDMA-DL-and-UL-simulation
- 该仿真平台是在特定多径衰落环境下对WCDMA基站和移动台的行为和性能进行仿真,包括下行和上行链路的仿真,并且有图形用户界面GUI-The simulation platform is a multipath fading environment in particular on the behavior and performance of WCDMA base station and mobile station simulation, including simulation of the
ex5
- OFDM系统在单径衰落和多经衰落的误码率对比-In contrast to single-OFDM systems fading and multi-bit error rate by fading
rayleighfading
- 瑞利衰落信道的matlab仿真程序,包含多径和功率控制参数。-Rayleigh fading channel matlab simulation program, including multipath and power control parameters.
channel-model
- 这是一个经典的信道模型matlab程序,多径衰落,对于短波通信的仿真具有很好的参考价值-This is a classic channel model matlab program, multipath fading, for the simulation of HF communication has a good reference value
PAPER3
- 抗多径衰落的分集合并技术研究_王晓蕊,很好的文章-Anti-multipath fading diversity combining technical research _ Wang Rui