نتایج جستجو برای: asymmetric channel
تعداد نتایج: 287637 فیلتر نتایج به سال:
The development of high-performance thermal systems has increased interest in heat transfer enhancement techniques. The application of additives to heat transfer liquids is one of the noticeable effort to enhance heat transfer. In this paper two-dimensional unsteady incompressible nanofluid flow in a confined jet at the laminar flow regime is numerically investigated. The Mixture model is consi...
This paper deals with the application of Iterative Learning Control (ILC) to further improve the performance of teleoperation systems based on Smith predictor. The goal is to achieve robust stability and optimal transparency for these systems. The proposed control structure make the slave manipulator follow the master in spite of uncertainties in time delay in communication channel and model pa...
Using non-equilibrium molecular dynamics and Monte Carlo methods, we have studied the molecular transport in asymmetric nanochannels. The efficiency of the molecular pump depends on the angle and apertures of the asymmetric channel, the environmental temperature and average concentration of the particles. The pumping effect can be explained as the competition between the molecular force field a...
Bose and Lin introduced a class of systematic codes for detection of binary asymmetric errors. Later, in [4] this class was generalized and the Generalized Bose-Lin (GBL) codes were introduced. In this note, we describe a Generalized Bose-Lin codes of limited magnitude l. For these codes, the possible undetectable errors are characterized, the undetectable errors of minimum weight are determine...
This paper provides evidence that inefficient promotion strategies and large wage increases upon promotion may both arise as a consequence of asymmetric employer information. We present a simple model that illustrates how both phenomena may jointly arise due to the information revealing character of promotions. Using experimental labor markets, we demonstrate that asymmetric employer informatio...
Due to the nature of multiplicative Rayleigh fading, symmetric space time block codes, and joint estimation and detection schemes, isometry (ambiguities in channel estimation and data detection) degrades MIMO system performances. Training breaks isometry but reduces capacity. Asymmetric space time block code mitigates isometry by replacing training with data-bearing asymmetric codewords. This p...
Service Cooperation Incentive Mechanism in a Dual-Channel Supply Chain under Service Differentiation
An incentive mechanism about service effort provided by the manufacturer in a dual-channel supply chain is studied under asymmetric information. The principal-anent models are developed for asymmetric information and symmetric information, and then the optimal fixed payment and the optimal profit sharing ratio are obtained. In contrast to the case under symmetric information, the conclusion imp...
Micron-sized self-propelled (active) particles can be considered as model systems for characterizing more complex biological organisms like swimming bacteria or motile cells. We produce asymmetric microswimmers by soft lithography and study their circular motion on a substrate and near channel boundaries. Our experimental observations are in full agreement with a theory of Brownian dynamics for...
Bit synchronization in the presence of asymmetric channel noise has not appeared in the open literature. It is the purpose of this paper to study the performance of a popular digital clock synchronizer, the Digital Data Transition Tracking Loop (DTTL), in the presence of asymmetric noise. A comparison of the DTTL and Cross Spectrum Synchronization Loop (CSSL) is also provided for special parame...
In this paper, we consider the transmission scheme for asymmetric decode-and-forward (DF) multi-input multi-output (MIMO) two-way relay system with channel estimation error. In order to transmit with asymmetric data rates from the relay to the receivers according to their individual link qualities, we propose a novel transmission scheme for the broadcast phase by employing a priori bit informat...
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