High-resolution source localization algorithm based on the conjugate gradient
EURASIP Journal on Advances in Signal Processing
Fast CDMA multiuser detection by orthogonal projection onto an interference null space
Digital Signal Processing
DSP'09 Proceedings of the 16th international conference on Digital Signal Processing
Robust reduced-rank adaptive algorithm based on parallel subgradient projection and Krylov subspace
IEEE Transactions on Signal Processing
IEEE Transactions on Signal Processing
Hi-index | 754.84 |
This correspondence shows the equivalence of three previously proposed reduced-rank detection schemes for direct-sequence code-division multiple-access (DS-CDMA) communication systems. The auxiliary vector filtering (AVF) algorithm is simplified through a key observation on the construction of the auxiliary vectors. After simplification, it is shown that the AVF algorithm is equivalent to the multistage Wiener filtering (MWF) algorithm of Honig and Goldstein (2002). Furthermore, these schemes can be shown to be equivalent to the multistage linear receiver scheme based on the Cayley-Hamilton (CH) theorem when the minimum mean-square error (MMSE) criterion is applied to the reduced dimensional space of the received signal.