نتایج جستجو برای: mld
تعداد نتایج: 1081 فیلتر نتایج به سال:
This paper investigates adaptive modulation and coding (AMC) in 2-Tx multiple-input and multiple output (MIMO)orthogonal frequency division multiplexing (OFDM) spatial multiplexing systems using non-iterative maximum likelihood detector (MLD). We derive an approximate postprocessing signal to interference-plus-noise ratio (SINR) for MLD, which is computed as post minimum mean-squared error (MMS...
Metachromatic leukodystrophy disorder (MLD) is an autosomal recessive and lysosomal storage disease. The disease is caused by the deficiency of the enzyme arylsulfatase A (ARSA) which is encoded by the ARSA gene. Different mutations have been reported in different populations. The present study was aimed to detect the mutation type of the ARSA gene in three relative Iranian patients. We found a...
We discuss soft-decision decoding which achieves nearmaximum likelihood decoding (MLD) of binary block codes over a Markov modulated channel. In this paper, a new soft-decision decoding algorithm using a generalized Expectation Maximization (EM) algorithm is proposed. Each iteration step of the proposed decoding algorithm can be regarded as performing MLD over an additive white Gaussian noise (...
Performance of low-density parity-check (LDPC) codes with maximum likelihood decoding (MLD) for solid burst erasures is discussed. The columns of the paritycheck matrix of LDPC codes are permuted to increase the distance between elements (DBEs) which are defined as a number of symbol positions between elements 1 at each row of the parity-check matrix. The column permutation method can change th...
Between February 1996 and December 2004, the German Leukemia Study Initiative registered 1766 consecutive patients for the acute myeloid leukemia (AML) 96 study, all of whom were diagnosed by central cytomorphology according to the French-American-British (FAB) and the new World Health Organization (WHO) classification. We focused our analysis on the prognostic impact of multilineage dysplasia ...
Ocean surface warming is commonly associated with a more stratified, less productive, and less oxygenated ocean. Such an assertion is mainly based on consistent projections of increased near-surface stratification and shallower mixed layers under global warming scenarios. However, while the observed sea surface temperature (SST) is rising at midlatitudes, the concurrent ocean record shows that ...
Between February 1996 and December 2004, the German Leukemia Study Initiative registered 1766 consecutive patients for the acute myeloid leukemia (AML) 96 study, all of whom were diagnosed by central cytomorphology according to the French-American-British (FAB) and the new World Health Organization (WHO) classification. We focused our analysis on the prognostic impact of multilineage dysplasia ...
BACKGROUND The sirolimus-eluting stent (SES) has dramatically reduced the rate of restenosis in comparison to that with the bare-metal stent (BMS). In previous studies, the minimal luminal diameter (MLD) of lesions treated with a BMS was shown to improve from 6 months to 1 year. METHODS To evaluate 6-month and 1-year outcomes, angiographic follow-up data were analyzed for 285 patients (451 le...
Our aim was to determine if the high frequency of metachromatic leukodystrophy (MLD) in Navajo Indians of the Southwestern United States is the result of a "genetic bottleneck" that occurred in the mid 19th century. Navajo Nation, Indian Health Service, and other national databases were queried for Native American patients with MLD. Pedigrees, including birth location, were established by inter...
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