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- W2359092314 abstract "OFDM(Orthogonal Frequency Division Multiplexing) can effectively eliminate the ISI between different symbols and has high frequency efficiency.OFDM is sensitive to the Doppler frequency offset caused by moving that can be overcome by Space-time coding.So the application the combination of the space-time coding and OFDM in next generation wireless telecommunications has attracted more and more attention.In this article,the structure of DSTBC(Differential space-time block coding) combined with OFDM system is given first. Because of no need of channel estimation,the complexity of the receiver is simpler than STBC-OFDM system.Then,performance comparison is made by simulation among pure OFDM system,STBC-OFDM system and DSTBC-OFDM system under Rayleigh fading channel and SUI channel.It is concluded that the STBC-OFDM system can be replaced by DSTBC-OFDM system under stationary or low to moderate velocity conditions." @default.
- W2359092314 created "2016-06-24" @default.
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- W2359092314 date "2005-01-01" @default.
- W2359092314 modified "2023-09-26" @default.
- W2359092314 title "DSTBC-OFDM System and Its Performance Analysis" @default.
- W2359092314 hasPublicationYear "2005" @default.
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