WebJun 10, 2024 · [tmp1,sym_tab,P] = modulator (tx_bits (i,:),b); tmp= [tmp; tmp1]; end X=tmp.'; X1=X; X2= [-conj (X (:,2)) conj (X (:,1))]; for n=1:NT Hr (n,:,:)= (randn (L_frame,NT)+j*randn … WebModulate the data. Use the 'UnitAveragePower' name-value pair to set the output signal to have an average power of 1 W. y = qammod (x,M, 'UnitAveragePower' ,true); Confirm that the signal has unit average power. avgPower = mean (abs (y).^2) avgPower = 1.0070. Plot the resulting constellation.
MIMO中经过Alamouti编码和未经编码的对比 - 百度文库
WebToggle Sub Navigation. Search Answers Clear Filters. Answers. Support; MathWorks Web[tmp1,sym_tab,P] = modulator (tx_bits (i,:),b); tmp= [tmp; tmp1]; %temp是调制后的信号序列 ,也就是准备发送符号的长度 end X=tmp.'; X1=X; X2= [-conj (X (:,2)) conj (X (:,1))]; % 看不懂? ? for n=1:NT Hr (n,:,:)= (randn (L_frame,NT)+j*randn (L_frame,NT))/sq2; %看不懂? ? ? end H=reshape (Hr (n,:,:),L_frame,NT); Habs (:,n)=sum (abs (H).^2,2); %看不懂? ? navy and marine corps achievement ribbon
alamouti matlab,关于Alamouti编码,一些地方看不懂,求 …
WebSep 11, 2024 · 3.2仿真代码 代码一:调制函数 function [mod_symbols,sym_table,M]=modulator (bitseq,b) N_bits=length (bitseq); if b==1 %BPSK调制 sym_table=exp (1i* [0,-pi]); sym_table=sym_table ( [1 0]+1); inp=bitseq; mod_symbols=sym_table (inp+1); M=2; elseif b==2 %QPSK调制 sym_table=exp (1i*pi/4* [ … WebApr 26, 2024 · R2 = sum (H.*X2,2)/sq_NT + sigma* (randn (L_frame,1)+j*randn (L_frame,1)); semilogy (SNRdBs,BER), axis ( [SNRdBs ( [1 end]) 1e-6 1e0]); Index exceeds the number of … WebJun 10, 2024 · Cambiar a Navegación Principal. Inicie sesión cuenta de MathWorks; Mi Cuenta; Mi perfil de la comunidad; Asociar Licencia; Cerrar sesión navy and marine corps achievement medal w/c