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- W85512850 abstract "In this paper we design STBC-OFDM systems by applying several STBC schemes to the OFEM system and show their comparative analysis results obtained through computer simulations under Rayleigh fading environments, considering the effect of channel estimation error. We first consider the space-time coding algorithms of major STBC schemes, together with their demodulation algorithms. We then select the OFDMparameters considering mobile environments and design the STBC-OFDM systems by choosing one of digital modulation schemes such as QPSK, BPSK, 16QAM, 64QAM, and 256QAM according to the transmission rate, and describe the block diagrams of the demodulator and channel estimator. We finally compare and analyze the BER performances of the STBC-OFDM systems according to the transmission rate and the number of receive antennas." @default.
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- W85512850 date "2004-01-01" @default.
- W85512850 modified "2023-09-27" @default.
- W85512850 title "A Comparative Performance Analysis of Space-Time Block Codes for OFDM Systems Under Rayleigh Fading Environments" @default.
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