%?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

?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件???????4189??2016-04-04?22:17??GFDM.m

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