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Transmit diversity over quasi-static fading channels using multiple antennas and random signal mapping

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3 Author(s)
Li, Y. ; Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA ; Georghiades, C. ; Huang, G.

We introduce a new scheme that achieves a diversity gain for coded systems under static fading conditions by using multiple antennas and random signal mapping. It is shown that as the number of transmit antennas N goes to infinity, the effective channel behaves as if it were perfectly interleaved (i.e. as if the fading was independent). When N is small, a further performance gain can be achieved by expanding the original signal constellation. Simulation results show that N≈8 is enough to achieve close to the performance of a perfectly interleaved system

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Communications, 2000. ICC 2000. 2000 IEEE International Conference on  (Volume:3 )

Date of Conference: