We first develop a reduced-rank minimum mean square error (MMSE) detector for direct-sequence (DS) code division multiple access (CDMA) by forcing the linear MMSE detector to lie in a signal subspace of a reduced dimension. While a reduced-rank MMSE detector has lower complexity, it cannot outperform the full-rank MMSE detector. We then concentrate on the blind reduced-rank MMSE detector which ...

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introduction: mild cognitive impairment can be considered as an intermediate clinical state between normal cognitive aging and mild dementia. elderly people with this impairment represent an at-risk group for the development of dementia. the aim of this study was to investigate the prevalence of cognitive impairment in community-dwelling older adults by mini-mental state examination (mmse) and ...

To compare the diagnostic accuracies of the Revised Hasegawa Dementia Scale (HDS-R) and Mini-Mental Status Examination (MMSE) for Alzheimer's diseases (AD), we administered them simultaneously to 82 AD patients and 82 age- and sex-matched nondemented control subjects. The area under the receiver operator curve (AUC) for AD of the HDS-R (AUC(HDS-R)) and MMSE (AUC(MMSE)) were bigger than 0.90 ind...

In this paper, we have developed and implemented Minimum Mean Square Channel Estimation with Compressive Sensing (MMSE-CS) algorithm in MIMO-OFDM systems. The performance of is analyzed by comparing it Least channel estimation compressive sensing (LS-CS), (LS) (MMSE) algorithms. It observed that the MMSE-CS terms Bit Error Rate (BER) metric definitely better than LS-CS LS algorithms at par MMSE...