Title :
Multiple-input single-output precoder for W-CDMA TDD downlink transmission
Author :
Wang, Haifeng ; Bu, Zhiyong ; Lilleberg, Jorma
Author_Institution :
Nokia Mobile Phones, Oulu, Finland
fDate :
6/23/1905 12:00:00 AM
Abstract :
Due to multiple access interference (MAI) and cochannel interference enhanced by multi-antenna transmission and multipath channels, the performance of multiple-input single-output (MISO) systems can be even worse than the conventional single-input single-output (SISO) systems. We present a novel MISO precoder for W-CDMA time division duplex (TDD) downlink transmissions. The MAI and cochannel interference can be entirely eliminated by using the conventional RAKE receiver at the mobile station. The proposed MISO precoder has been evaluated with two transmit and one receive antenna in the frequency selective Rayleigh fading channel. The simulation results proved that the system performance can be significantly improved compared with the conventional RAKE receiver and linear decorrelator
Keywords :
Rayleigh channels; cellular radio; cochannel interference; code division multiple access; diversity reception; multipath channels; radio receivers; radiofrequency interference; time division multiplexing; 3G wireless communications; MAI; MISO; RAKE receiver; Rayleigh fading channel; W-CDMA TDD downlink; cochannel interference; frequency selective channel; linear decorrelator; multi-antenna transmission; multipath channels; multiple access interference; multiple-input single-output precoder; selective transmit diversity; time division duplex; Decorrelation; Downlink; Fading; Frequency; Interchannel interference; Multiaccess communication; Multipath channels; Multiple access interference; Receiving antennas; System performance;
Conference_Titel :
Vehicular Technology Conference, 2001. VTC 2001 Fall. IEEE VTS 54th
Conference_Location :
Atlantic City, NJ
Print_ISBN :
0-7803-7005-8
DOI :
10.1109/VTC.2001.956836
