A linear pre-processing plus encoding scheme is proposed, which significantly enhances cellular downlink performance, while putting the complexity burden on the transmitting end. The approach is based on LQ factorization of the channel transfer matrix combined with the "writing on dirty paper" approach  for eliminating the effect of uncorrelated interference, while fully known at the transmitter but unknown at the receiver. The attainable average rates with the proposed scheme approach those of optimum joint processing at the high SNR region.
|Number of pages||5|
|Journal||IEEE Vehicular Technology Conference|
|State||Published - 2001|
|Event||IEEE VTS 53rd Vehicular Technology Conference (VTS SPRING 2001) - Rhodes, Greece|
Duration: 6 May 2001 → 9 May 2001