| 摘要 |
The solution according to embodiments of the present invention relates to a receiver (200; 300) for receiving in a cell (105c) at least first (a) and second (&bgr;) data streams included in at least first (y 1 ) and second (y 2 ) signals. The receiver comprises: a first estimating unit (205-210; 305) configured to receive the first (y 1 ) and second (y 2 ) signals and provide an estimate of first data (LLR a ) carried on the first data stream, a regenerating unit (215, 225-240; 3151, 3251-3351) configured to provide a regenerated first data stream (x 1 (a) , x 2 (a) )based on the estimate of the first data (LLR a ) and on attenuation of first radio channels over which the first data stream (a) has been transmitted, a second estimating unit (245-265; 3451-3501, 3552-3652, 360) configured to provide an estimate of second data (LLR &bgr;ƒ ) carried on the second data stream (&bgr;) based on the regenerated first data stream (x1 (a), x2 (a)), on the first (y 1 ) and second (y 2 ) signals, on attenuation of second radio channels over which the second data stream (&bgr;) has been transmitted, and on inter/intra-cell interference, and a first extraction unit (215, 220; 3751, 3801) configured to extract first information (b a ) within the first data based on said estimate of the first data (LLR a ), and a second extraction unit (275, 280; 3752, 3802) configured to extract second information (b &bgr; ) within the second data based on said estimate of the second data (LLR a ). |
