| 摘要 |
Space time transmit diversity ( 9, 14, 17, 19 ) is applied at the block level to an original block of bits ( 12 ) in order to reduce the effects of fading in wireless communication systems that use nonlinear modulation schemes ( 13, 33 ). At the receiving end, fading parameters (alpha<SUB>1</SUB>, alpha<SUB>2</SUB>) are estimated (alpha<SUB>E1</SUB>, alpha<SUB>E2</SUB>) and the properties of complex conjugates are utilized ( 28, 29, 201, 202 ) to produce a result (r<SUB>1</SUB>, r<SUB>2</SUB>) that is representative of the original block of bits.
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