| 摘要 |
The present invention provides an apparatus, system and method for removal of interference due to multi-path for multiple transmit antennas (hereinafter referred to as MTA-MPIC) for High Speed Downlink Packet Access (HSDPA) encoded for transmit diversity, such as Space-Time Transmit Diversity (STTD). For a single receive antenna, the signal is received ( 25 ) and each multi-path delayed signal is demodulated ( 21 ). The demodulation can include long code removal and despreading. Subsequently, each demodulated signal is received by the RAKE receiver ( 22 ) for determining the channel estimate and channel normalization for the total HSDPA signal, and for computing space-time decoding for the HSDPA signal. Following the space-time decoding, a data decision is made ( 23 ). Next, reconstructed interference signals are generated ( 24 ) and combined with the received signal ( 25 ). For other user signals, an interference estimate is made from the despreader ( 322 ) outputs without applying the RAKE/space-time coding operations.
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