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- W2364120356 abstract "A new cooperative differential space-time transmission scheme was proposed for multiuser multiple-input multiple-output(MIMO) systems where channel estimation was difficult.And a simple adaptive amplify-and-forward(AF) relaying protocol was developed for the proposed scheme.The protocol combined selection combination and transmit antenna selection at the relay node and it required only partial channel state information(CSI) of the relay link.The maximum likelihood differential detection method was derived and the performance of pairwise error probability(PEP) was analyzed.Simulation results show that the proposed scheme achieves higher diversity gain and better bit-error rate(BER) performance compared with the differential transmission scheme in point-to-point MIMO system with the same number of transmit and receive antennas and with equal transmit power and spectral efficiency.At high signal-to-noise rate(SNR),the proposed scheme even outperforms non-cooperative Alamouti scheme with coherent detection." @default.
- W2364120356 created "2016-06-24" @default.
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- W2364120356 date "2010-01-01" @default.
- W2364120356 modified "2023-09-28" @default.
- W2364120356 title "Cooperative Differential Space-time Transmission Scheme Combined with Antenna Selection for Multiuser MIMO Systems" @default.
- W2364120356 hasPublicationYear "2010" @default.
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