QPSK在Rayleigh fading channels下的BER仿真 产生Rayleigh Channel复基带等效形式: h_fading = sqrt(omega/2).*(randn(1,N)+1i*randn(1,N)); 假设接收端采用破零ZF接收: 仿真图 QPSK在Rician fading channels下的BER仿真 产生Rician Channel复基带等效形式: h_Rician=sqrt(k/(k+1))+sqrt(1/(k+1)).*...
Rayleigh fading for MIMO systems under Nt,Nr=1,4,6,10, ρ=0.2,0.5, and Fig. 8 plots the cdfs of multivariate correlated Rayleigh and Rician fading against ρ, from which the severity of the correlation coefficient can be clearly seen. It is also evident that the larger Nt,Nr, the ...
ifChanChoice =="MIMO_Rician" chan = comm.MIMOChannel(); chan.FadingDistribution ="Rician"; chan.KFactor = RicianFactor; chan.SampleRate = fs; chan.NormalizePathGains = false; chan.PathDelays = pathDelays; chan.AveragePathGains = avgPathGains - [0 200*...
This paper signifies the role of Cyclostationary Spectrum Sensing technique to define a device capable of detecting orthogonal frequency division multiplexing signals in a noisy environment. The work has been done for the applications employed in high frequency, such as, Wi-Fi and WiMAX.Mandeep Singh...
flat fading 和频率选择性衰落---基于多径时延扩展 flat fading: 当基带信号带宽远小于信道的相关带宽时,信号经历平坦衰落;Bs<当基带信号带宽很大时,经历频率选择性衰落。Bs>>Bc 《3》fast fading and slow fading---基于多普勒扩展 当移动台具有一定的移动速度后,会产生多普勒频移,其倒数称为信道的相关时间。
(2012) `BER comparison of Rayleigh fading, Rician fading and AWGN channel using chaotic communication based MIMO-OFDM system', IJSCE, Vol. 1, No. 6, pp.107-115, ISSN:2231-2307.Suchitra Varade and Kishore Kulat, "BER Comparison of Rayleigh Fading, Rician Fading and AWGN Channel using ...
The berfading function returns the bit error rate (BER) and symbol error rate (SER) over a Rayleigh or Rician fading channel for uncoded data using a specified modulation scheme. The first input argument, EbNo, is the energy per bit to noise power spectral density ratio (Eb/N0) in dB. ...
Amir, A.K. Kishwer, Information delivery improvement for safety applications in VANET by minimizing Rayleigh and Rician fading effect, Vehicular Ad-hoc Networks for Smart Cities, the series Advances in Intelligent Systems and Computing 306(2014) 85-92....
1.According to learning communication system,three kinds of channels are studied:additive white gaussian channel,multipath rayleigh fading channel and rician fading channel.通过对通信系统的学习,研究了加性高斯白噪声信道、多径瑞利衰落信道和莱斯衰落信道3种信道。
rayleigh fadingrician fadingThis paper analyzes the distribution and density functions of the probability of error for Rayleigh and Rician fading channels with diversity. An expression for the signal-to-noise ratio is derived for an asynchronous CDMA (A-CDMA) system with diversity. The error ...