In the recent landmark paper of Zheng and Tse it is shown that there exists a fundamental tradeoff between diversity gain and multiplexing gain, referred to as the DiversityMultiplexing gain(D-MG) tradeoff. The present paper presents the first explicit construction of space-time (ST) codes for arbitrary number of transmit antennas that achieve the D-MG tradeoff. It is shown here that ST codes w...

Let P be a planar n-point set in general position. For k ∈ {1, . . . , n − 1}, the Voronoi diagram of order k is obtained by subdividing the plane into regions such that points in the same cell have the same set of nearest k neighbors in P . The (nearest point) Voronoi diagram (NVD) and the farthest point Voronoi diagram (FVD) are the particular cases of k = 1 and k = n − 1, respectively. It is...

Earlier, the experiments on aneutronic proton-boron (pB) fusion in a miniature nanosecond vacuum discharge (NVD) with oscillatory plasma confinement and correspondent α particles yield were presented. In this work, we consider some specific features of as relatively new type for fusion. Particle-in-cell (PiC) simulations pB processes have shown that NVD, especially axis, is state close to quasi...

A generalized version of the N-person volunteer's dilemma (NVD) Game has been suggested recently for illustrating the problem of N-person social dilemmas. Using standard replicator dynamics it can be shown that coexistence of cooperators and defectors is typical in this model. However, the question of how a rare mutant cooperator could invade a population of defectors is still open. Here we exa...

background: assessment of quality of life (qol) is of paramount importance for improving postpartum qol which will in turn enhance qol of mothers, children, individuals, and the community. the present study aimed to evaluate and compare postpartum qol after cesarean section (cs), normal vaginal delivery (nvd), and water birth delivery. methods: this descriptive analytical, cross-sectional study...

The ability to identify facial expressions of happiness, sadness, anger, surprise,fear, and disgust was studied in 48 nondisabled children and 76 children with learning disabilities aged 9 through 12. On the basis of their performance on the Rey Auditory-Verbal Learning Test and the Benton Visual Retention Test, the LD group was divided into three subgroups: those with verbal deficits (VD), non...

OBJECTIVE In this study, we aim to demonstrate that measurement of the malondialdehyde (MDA) level in the umbilical cord blood of newborn infants born via cesarean section (C/S) and normal vaginal delivery (NVD) is indicative of oxidative stress during the perinatal period. METHODS The study was conducted at Bakirkoy Training and Research Hospital between January 2006 and April 2006 on 15 new...

This article follows another, which presented the first phase of the cross-cultural adaptation process examining the psychometric properties of the Conflict Tactics Scales, Parent-child Version (CTSPC), Portuguese version. Fieldwork took place in three public maternity wards in Rio de Janeiro, Brazil, from March to September 2000. Interviews relate to siblings of randomly selected live births. ...

Multiple Input Double Output (MIDO) asymmetric space-time codes for 4 transmit antennas and 2 receive antennas can be employed in the downlink from base stations to portable devices. Previous MIDO code constructions with low Maximum Likelihood (ML) decoding complexity, full diversity and the nonvanishing determinant (NVD) property are mostly based on cyclic division algebras. In this paper, a n...