function?P?=?LteDemoPRACHFalseAlarm（NSubframes）
????
????warning（‘off‘?‘MATLAB:oldPfileVersion‘）;
?
????if?nargin==0
????????NSubframes?=?10;
????end?
ue.NULRB=9;????????????????????%?9?Resource?blocks
ue.DuplexMode?=?‘FDD‘;?????????%?FDD?duplexing?mode

prach.Format?=?0;?????????%?Per?TS36.104?Table?8.4.2.1-1
prach.SeqIdx?=?819;???????%?Under?trial?restrictions?（816?19）
prach.CyclicShiftIdx?=?1;?%?Per?TS36.141?Table?A.6-1
prach.HighSpeed?=?0;??????%?Per?TS36.104?Table?8.4.2.1-1
prach.FreqOffset?=?0;?????%?Default?frequency?location
prach.PreambleIdx?=?[];???%?Not?required?as?no?preamble?is?sent

x=LtePRACHDims（ueprach）;
nSamples=x.SamplingRate*x.TotSubframes*0.001;

falseCount=0;

for?nsf=1:10
????v?=?complex（randn（nSamples1）randn（nSamples1））;???????
????detected=LtePRACHDetect（ueprachv[0:63]）;????
????if?（length（detected）>0）
????falseCount=falseCount+1;
????end
end
????
?????P?=?falseCount/NSubframes;
?????disp（sprintf（‘False?alarm?probability:?%0.4f%%‘P*100））;
?
????%?To?set?the?warning?for?p-files?in?‘default‘?state
????warning（‘on‘?‘MATLAB:oldPfileVersion‘）;
%False?alarm?probability:?0.0000?%
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????4810??2012-10-19?17:51??PRACHDetection.m

?????文件???????1165??2012-10-19?14:36??PRACH.m

-----------?---------??----------?-----??----

?????????????????5975????????????????????2