00
1010
TriaAWGN
TriaBraz?BTriaCDT?8
TrapAWGNTrapCDT?8
TrapBraz?B
ProposedAWGNProposedBraz?BProposedCDT?8
?1
10
?1
10
?2
10
?2
10
simulation
TriaAWGN
?3
10
simulation
TrapAWGN
simulation
ProposedAWGN
?3
10
simulation
?4CRLB
TriaCDT?8
10Tria
simulation
CRLB
TrapCDT?8Trap
CRLB
simulation
Proposed
ProposedCDT?8
?4
10
?8?6?4?20246810
?50510
SNR(dB)
SNR(dB)
Fig.10.ComparisonoffractionalCFOestimationtoCRLBamongthree
Fig.12.SERcomparisonamongPBDDwithTriamethod,Trapmethodand
schemestheproposedschemeinAWGN,Braz-BandCDT-8channelwhenSIR=0dB.
0
10
TriaAWGNTriaBraz?B
TriaCDT?8
arefurtherimproved.Therefore,theproposedpreamblehasa
TrapAWGN
TrapBraz?B
TrapCDT?8
ProposedAWGN
ProposedBraz?BProposedCDT?8
wideapplicationprospectseveninextremecircumstance.
?1
10
ACKNOWLEDGMENTS
?2
10
ThisworkwassupportedbyNationalNatureScience
FoundationofChina(GrantNo.61271266),andNationalKey
?3
10
BasicResearchProgramofChina(GrantNo.2013CB329203).
?4
10
REFERENCES
?8?6?4?2024
SNR(dB)
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1715
SERVarianceofFractionalCFOEstimation
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