搜索资源列表
Lattice-reduction-aideddetection
- 针对多输入多输出空间相关信道环境,提出了一种基于格规约理论的最小均方误差检测算法.该算法考虑了空间相关性的影响,利用复数Lenstra-Lenstra-Lovász格规约算法克服了传统的线性最小均方误差检测器分集阶数随相关系数增加而减小的缺点,使检测到的信号在高信噪比下可以达到比传统算法低个数量级的误码率.理论分析与仿真结果表明,在信道为Kronecker相关平坦衰落模型下,接收端采用最小均方误差信道估计,发射端采用QPSK调制未使用信道编码,当比特信噪比大于18dB时,基于格规约理论的最小均方
qam16_yy
- 利用Matlab函数或者模块产生随机数据,经过16QAM数字调制,送入高斯白噪声信道;在接收端使用16QAM解调数据后,与信源数据进行误码率统计;分析误码率与信噪比的关系。-Have the random data using the Matlab function or the module, undergoes the 16QAM digital modulation, sends in the white gaussian noise channel After the receivin
mimo16
- mimo-ofdm系统的仿真程序,通过平坦或衰落信道,信噪比与误码率的关系-MIMO-OFDM system simulation program, through the flat fading channel, descr iptioning signal to noise ratio and bit error rate
QAM_fading
- 在瑞利衰落和高斯白噪声下qam调制对于不同信噪比的误码率-bit error rate of the Qam modulation in Rayleigh fading and Gaussian white noise for different signal to noise ratio
dpsk_fading
- 在瑞利衰落和高斯白噪声下dpsk调制对于不同信噪比的误码率-bit error rate of the dpsk modulation in Rayleigh fading and Gaussian white noise for different signal to noise ratio
ofdm
- 本程序仿真了正交频分复用的调制与发射,其中包括循环前缀,FFT变换,白噪声信道模拟等部分,最后得出不同信噪比先的系统误码率。-This program simulates the orthogonal frequency division multiplexing modulation with the launch, including the cyclic prefix, FFT, white noise channel analog part of the conclusion that
QAM
- 使用于初学Matlab的人,讲了QAM的调制解调以及误码率和信噪比的计算。-It is useful for the people who use the matlab first time. Both the modulation and the demodulation and the relationship between ber and snr are in the file.
channel-Simulink
- 对高斯,瑞利,莱斯信道的Simulink仿真。分别比较在不同信道中相同信噪比下的误码率-For Gauss, Rayleigh, Rician channel simulation Simulink.Compared respectively in different channels the same SNR BER
jingxiangchazhi
- 这是一种导频辅助的径向线性插值信道估计算法,算法来自于12年3月份的IEEE,画出比特信噪比与误码率的关系曲线.-This is a polar-linear lnterpolation aided channel estimation algorithm,which comes from IEEE in march 2012,drawn-bit signal to noise ratio and bit error rate curve.
MATLAB-and-communication-simulation
- 1、研究BFSK在加性高斯白噪声信道下(无突发干扰)的误码率性能与信噪比之间的关系; 2、研究BFSK在加性高斯白噪声信道下(有突发干扰)的误码率性能与信噪比之间的关系;分析突发干扰的持续时间对误码率性能的影响。 3、研究BFSK+信道编码(取BCH码和汉明码)在加性高斯白噪声信道下(无突发干扰)的误码率性能与信噪比之间的关系;分析不同码率对误码率性能的影响。比较不同信道编码方式的编码增益性能。 4、研究BFSK+信道编码(取BCH码和汉明码)在加性高斯白噪声信道下(有突发干扰)的误
8psk
- (1) 分析QPSK调制、解调原理,并画出其系统框图; (2) 产生等概率且相互独立的二进制序列,作为待传输的信号,并画出其波形; (3) 进行8PSK调制,分别画出I、Q两支路信号经过乘法器后的波形以及8PSK调制波形; (4) 产生均值为0,方差为1的加性高斯随机噪声,画出其时域波形及频谱; (5) 将加性高斯随机噪声作为传输信道的干扰,画出接收端信号的时域图; (6) 进行8PSK解调,输出解码序列,画出解调后信号波形; (7) 计算系统信噪比、传输误码率。-(1)
QmattlabqpskwP
- QPSK在加性高斯白噪声环境下,信噪比与误码率的仿真。 先产生一个四组符号的序列,,再将该序列映射到对应的相位上。用相应的函数产生均值为零、方差为δ2的加性高斯噪声。 -QPSK in additive white Gaussian noise environment, the signal to noise ratio and bit error rate simulation. First produce a sequence of four sets of symbols, then
dediff_8psk
- 应用MATLAB仿真8PSK调制解调以及其误码率与信噪比的关系-Using MATLAB simulation 8PSK modulation and demodulation, as well as the relationship between error rate and SNR
auto_simulation_ber
- 基于simulink仿真通信系统性能时,能够自动仿真误码率与信噪比曲线。-The simulink simulation based communication system performance, automatic simulation BER and SNR curve.
MIMO
- MIMO系统 2*2ML检测BER(误码率)与信噪比的分析-The MIMO systems 2* 2ML detecting the analysis of the BER (bit error rate) and SNR
snr_awgn
- 已知一个信道的信噪比,求出相应的误码率,matlab实现,很好用,很多场合需要计算这个。反过来也是可以的。-Known signal-to-noise ratio of a channel, the error rate is obtained, matlab realize, well used, need to calculate the number of occasions. The reverse is also possible.
kuopin
- 使用matlab及sinmulink对扩频系统进行仿真,并做出了误码率和信噪比的图形-To matlab and sinmulink spread spectrum system simulation, and make the BER and SNR graphics
adaptive-linear-equalizer
- 自适应均衡器仿真程序,误码率和信噪比的曲线-The adaptive equalizer emulator, BER and SNR curve
DSSS
- 简单的直接序列扩频程序,讲座不同信噪比情况下系统的误码率。出于简单考虑,信道噪声采用高斯白噪声。-Simple Direct Sequence Spread Spectrum program, lectures BER SNR. Sake of simplicity, the channel noise Gaussian white noise.
pam
- simulink实现载波PAM信号传输并计算不同信噪比下的误码率-PAM Modulation In Simulink