%?Copyright?（c）?2014?Technical?University?Dresden?Vodafone?Chair?Mobile
%?Communication?Systems
%?All?rights?reserved.

clear?all;

K=128;%number?of?subcarriers
M=8;%number?of?subsymbols
Kindex?=?1:K;

r=0;%length?of?the?cyclic?prefix?（CP）?in?multiples?of?‘subsymbols‘
CP=r*K;
a=1;%roll-off

%?Symbol?source
s?=?1/sqrt（2）*（sign（randn（KM））+1i*sign（randn（KM）））;%basic?example
s（:1）?=?0;%1st?symbol?null
if?r>0?s（:M-r+1）?=?0;end?%?M-r?symbol?null
s（[（K/8:3*K/8）+K/2]:）?=?0;%some?null?subcarriers
d=reshape（s[K*M?1]）;

%?Split?into?real?and?imag
di?=?real（d）;
dq?=?imag（d）;

%?Meyer?RRC?（defined?in?time）
R=（（0:（K-1））‘-K/2-eps）/（a*K）+1/2;R（R<0）=0;R（R>1）=1;F=1-R;%?Ramp?rise/fall
R=R.^4.*（35?-?84*R+70*R.^2-20*R.^3）;F=1-R;%?Meyer?auxiliary?function
R=1/2*（cos（F*pi）+1）;F

?屬性????????????大小?????日期????時間???名稱
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?????文件???????3796??2017-05-04?22:36??GFDM.m

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