clear
%==========================OFDM和加上PTS的CCDF?V＝4?隨機生成，并且bv的相位只有兩種情況【1，－1】===
%?common?settings
%=================
wordsize=2;????????????
NumCarr=256;??????????????%?Number?of?transmission?carriers????
Lcp=32;????????????%?Guard?Interval（length?of?cyclic?extension）=12.5%?of?NumCarr
frameGuard=NumCarr+Lcp;??%?Guard?Time?between?successive?frames?（one?symbol?period）
delay=2;
Numsymb=100;???????
seed=1234;
rand（‘seed‘seed）;	????????????????????	%?Set?to?new?seed
w=round（rand（1Numsymb））;???????????????????%?generate?Wk

%生成數據和導頻圖案
Pattern=ones（NumCarrNumsymb）;??%?the?position?of?data?is?set?as?1.
Pattern（129:）=0;?????????????????%?DC=0
Pattern（[1:28230:256]:）=0;??????%?guard?band=0
Pattern（[45:24:213]:）=4;%?the?position?of?pilot?is?set?as?4.
%Pattern（:[12]）=0;