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stbc42
- stbc在锐利信道的4发2收情况下的信噪比与误码率-stbc Channel 4 in the sharp hair under 2 receive signal to noise ratio and bit error rate
MATLAB
- 本程序用以仿真块状导频时不同信噪比条件下的误码率和均方误差,信道估计采用最小二乘法和改进的最小二乘法。 -The pilot program for the simulation block different SNR when the bit error rate and mean square error channel estimation using the least square method and the improved least square method.
hangmingma
- 对随机序列进行(7,4)汉明码编码,经过bpsk调制解调,然后译码,最后绘出信噪比与误码率的关系曲线-Random sequences (7,4) hamming code encoding, after bpsk modem, and then decoding, and finally draw the signal to noise ratio and bit error rate curve
QPSK
- QPSK调制解调仿真,可以求得最佳延迟时间、误码率与信噪比的对应关系-QPSK modulation and demodulation simulation, you can achieve the best delay time, error rate and signal to noise ratio of the corresponding relationship
OFDM_SNR_offset
- 模拟OFDM系统,根据不同的信噪比,测试误码率-Simulated OFDM system, according to different signal to noise ratio, bit error rate test
sinr
- SLNR下,信噪比和误码率的关系,涉及了两域联合-SLNR, the relationship between SNR and bit error rate, involves a two-domain joint
link-simulation
- 协作中继系统链路级仿真,里面对信噪比,误码率,BER性能仿真实现-Link Simulation cooperative relay system, which on the signal to noise ratio, bit error rate, BER Performance Simulation
AWGNBSC
- AWGN信道和BSC信道的仿真程序,AWGN可调节信噪比,BSC可调节误码率-AWGN channel and the channel simulation program BSC, AWGN noise ratio can be adjusted, BSC bit error rate can be adjusted
psk
- 完成M=4的PSK通信系统的蒙特卡洛仿真,信号波形为sbr2p(snr_in_dB) 求出以dB为单位的给定信噪比的比特误码率和符号误码率-Completion of M = 4 of the PSK communication system Monte Carlo simulation, the signal waveform is sbr2p (snr_in_dB) calculated in units of dB signal to noise ratio for a given bit
Digital-baseband-system
- 数字基带系统将数字信号从时域上看时数字滚降,需要画出滚降前后的波形展示出来。频域上带宽变化了。输入滤波器之前的波形与采样判决之后的波形。采样判决前的频谱。 采样判决后的码型。 2、眼图(采样判决之前的眼图)(信噪比大眼图清晰) 3、误码曲线,(横坐标时信噪比,纵坐标时误码率) 4、Arfa变化对误码特性的影响,变好还是变差(变好),眼图清晰度变化(清晰),传递函数的带宽的变化。(带宽越大)-1.Digital baseband system point of view the d
juanji
- matab实现卷积编译码,包括典型的(7,15)卷积码,通过画图体现误码率和信噪比的关系-matab achieve convolution encoding and decoding, including typical (7, 15) convolutional code, by drawing reflects the relationship between BER and SNR
fenji
- 利用matlab仿真实现在不同信道下使用不同的分集算法,以及使用不同的分集数,观察信噪比和误码率的关系,得出结论,体会分级的效果-Simulation using matlab to use different channels in different sub-set algorithm, and the use of different sub-set of the number of observed signal to noise ratio and bit error rate, co
DS-CDMA-with-PASTd-MUD-with-m-DS
- DS-CDMA链路中加入基于子空间的PASTd多用户检测方法。系统中采用m序列阔频,可以通过高斯信道或瑞利信道。可以直接运行得到不同信噪比下的误码率曲线。-DS-CDMA link added Subspace-based multiuser detector PASTd. M sequence used in the system wide-band, Gaussian channel, or by Rayleigh channel. Get different signal to noise
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- 8. 单径瑞利信道中的四发四收V-BLAST: (1) 请设计一种具体的导引辅助的信道估计方法,用Simulink进行仿真,测量16QAM调制时的误码率性能。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。 -4 Explain the working principle of convolutional encoding and decoding. Please use the Simulink simulation convolutional codin
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- 7. 单径瑞利信道中的两发一收STBC: (1) 分析误码率的理论性能,画出比特信噪比与误码率的关系曲线。 (2) 请设计一种具体的导引辅助的信道估计方法,用Simulink进行仿真,测量BPSK调制时的误码率性能。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。 -7 single-path Rayleigh channel of the two rounds of a close STBC: (1) the theoretical analysis
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- 4. 试说明卷积编解码的工作原理。请用Simulink仿真卷积编码,并用Viterbi译码的方法进行解码,其中的编码、译码全部是自己编写代码(S-Function方式),不是调用Simulink的已有编码、译码函数。请在加性白高斯噪声信道中,画出比特信噪比与误码率的关系曲线。-4 Explain the working principle of convolutional encoding and decoding. Please use the Simulink simulation conv
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- 6. 在三条径的瑞利信道中,对于OFDM: (1) 请设计一种具体的导引辅助的信道估计方法,用Simulink进行仿真,测量BPSK调制时的误码率性能。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。 (2) 设频率已同步,请设计OFDM一种具体的采用循环前缀进行时间同步方法,用Simulink进行仿真,画出比特信噪比与捕获概率的关系曲线。 (3) 设时间已同步,请设计OFDM一种具体的采用循环前缀进行频率同步方法,用Simulink进行仿真,画出比特信
communications-sim
- 应用simulink实现高斯信道情况下的通信系统仿真,计算误码率,画出误码率相对于信噪比的曲线-gaussian channel communications simulation
channel-simulink
- 衰落信道幅值仿真编程:对瑞利衰落信道进行仿真,并加上高斯白噪声,通过输入不同的信噪比 比较其误码率变化-Amplitude fading channel simulation programming: on the Rayleigh fading channel simulation, and add white Gaussian noise, by entering a different signal to noise ratio to compare their error rate ch
ConvolutionalEncoder
- 用Viterbi译码的方法进行解码,其中的编解码全部自己编写代码(S-Function方式),在加性白高斯噪声信道中,画出比特信噪比与误码率的关系曲线。-With Viterbi decoding method of decoding, encoding and decoding them all to write your own code (S-Function mode), the additive white Gaussian noise channel, signal to noise