eofdimis1thearrayisflippedrowwisedow
Whe
dimis2thearrayisflippedcolum
wiselefttorightflipdimA1isthesameasflipudAa
dflipdimA2isthesameasfliplrAa123456789101112a
f
1
2

4
5

7
8

10
11
bflipdima1
b

10
11

7
8

4
5

1
2
36912
12963
SymIFFTifftSymIFFTtmptmpNumSubc1


Addcyclic
prefix


i
putSymIFFTNumSubcNumLoopoutputSymCPNumSubcNumCPNumLoop
NumAddPrefixNumSubcNumCP
SymCPzerosNumAddPrefixNumLoop
RowPrefixNumSubcNumCP1NumSubc
SymCPSymIFFTRowPrefixSymIFFT


Gothroughthe
cha
el


i
putSymCPNumSubcNumCPNumLoopoutputSymCh1NumSubc
NumCPNumLoop
SymChzeros1NumSubcNumCPNumLoop
SymChtmpSymCP进行这个转置操作之后就成了一个矢量
相当于把矩阵的列向量依
次排列改变为一个行向量
fCh11214SymChtmptmpfilterCh1SymChtmp函数说明：Firlterdatawitha
i
fi
iteimpulserespo
seIIRorfi
iteimpulserespo
seFIRfilteryfilterbaXfiltersthedatai
vectorXwiththefilterdescribedby
umeratorcoefficie
tvectorba
dde
omi
atorcoefficie
tvectoraIfa1is
otequalto1filter
ormalizesthefiltercoefficie
tsbya1Ifa1equals0filterretur
sa
errorIfXisamatrixfilteroperateso
thecolum
sofXIfXisamultidime
sio
alarrayfilteroperateso
thefirst
o
si
gleto
dime
sio

AddtheAWGN
BerS
rTablezeros203
fors
r019SNR10log10log22
BerS
rTables
r11s
r
SymChawg
SymChtmptmps
rmeasured

函数说明：
AWGNAddwhiteGaussia
oisetoasig
al

YAWGNXSNRaddswhiteGaussia
oisetoXTheSNRis
i
dB

ThepowerofXisassumedtobe0dBWIfXiscomplexthe


AWGNaddscomplex
oise
f


YAWGNXSNRSIGPOWERwhe
SIGPOWERis
umericit
represe
ts

thesig
alpoweri
dBWWhe
SIGPOWERismeasuredAWGN
measures

thesig
alpowerbeforeaddi
g
oise



YAWGNXSNRSIGPOWERSTATEresetsthestateofRANDNto
STATE


YAWGNPOWERTYPEspecifiestheu
itsofSNRa
dSIGPOWr