Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) M. Kominami and H. Kusaka and K. Matsumoto and Y. Tashiro,Performance improvement of CDMA/QPSK systems with nonlinear channel using decision feedback equalizers,1988 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications - Proceedings. Spread Technology to Africa (Cat. No.98TH8333),,IEEE,2002-11-27,3,,812-817,https://cir.nii.ac.jp/crid/1872835442925666560,https://doi.org/10.1109/isssta.1998.722491