نتایج جستجو برای: order hybrid scheme

تعداد نتایج: 1259826  

In this paper, a high-order and conditionally stable stochastic difference scheme is proposed for the numerical solution of $rm Ithat{o}$ stochastic advection diffusion equation with one dimensional white noise process. We applied a finite difference approximation of fourth-order for discretizing space spatial derivative of this equation. The main properties of deterministic difference schemes,...

Journal: :Applied Mathematics and Computation 2009
Yaohang Li Vladimir A. Protopopescu Nikita Arnold Xinyu Zhang Andrey Gorin

In this paper, we propose a new hybrid scheme of parallel tempering and simulated annealing (hybrid PT/SA). Within the hybrid PT/SA scheme, a composite system with multiple conformations is evolving in parallel on a temperature ladder with various transition step sizes. The simulated annealing (SA) process uses a cooling scheme to decrease the temperature values in the temperature ladder to the...

Journal: :ISA transactions 2016
Indranil Pan Saptarshi Das

This paper investigates the operation of a hybrid power system through a novel fuzzy control scheme. The hybrid power system employs various autonomous generation systems like wind turbine, solar photovoltaic, diesel engine, fuel-cell, aqua electrolyzer etc. Other energy storage devices like the battery, flywheel and ultra-capacitor are also present in the network. A novel fractional order (FO)...

Journal: :ISPRS Int. J. Geo-Information 2016
Rahul Deb Das Stephan Winter

Transport mode information is essential for understanding people’s movement behavior and travel demand estimation. Current approaches extract travel information once the travel is complete. Such approaches are limited in terms of generating just-in-time information for a number of mobility based applications, e.g., real time mode specific patronage estimation. In order to detect the transport m...

2014
V. Sudha Sriram Kumar

This paper presents performance analysis of Peak to Average Power Ratio (PAPR) Reduction techniques in Orthogonal Frequency Division Multiplexing (OFDM) System such as Clipping, Partial Transmit Sequence (PTS), Selective Mapping (SLM) and SLM with Clipping (Hybrid Scheme) .Complementary Cumulative Distribution Function (CCDF) is calculated for each technique with different number of sub carrier...

2015
V. Sasikala Augustine Vinoth Kumar

In this paper, we propose an Adaptive Hybrid Transmission schemes for free space optical communication. Proposed algorithm utilizes hybrid mechanism which combines Multi-channel multicasting and unicast scheme to enhance not only service over service blocking probability but also reduce overall bandwidth consumption of the free space optical communication system which has very limited resources...

2012
Jules Simo Colin R. McInnes

This paper investigates displaced periodic orbits at linear order in the circular restricted Earth-Moon system (CRTBP), where the third massless body utilizes a hybrid of solar sail and a solar electric propulsion (SEP). A feedback linearization control scheme is implemented to perform stabilization and trajectory tracking for the nonlinear system. Attention is now directed to binary asteroid s...

2003
Qian Huang Li Ping Sammy Chan King-Tim Ko

A novel trellis-coded modulation-based hybrid ARQ scheme which provides multiple levels of error correction is proposed in this paper for efficient and reliable data transmission. The analytical throughput bounds of the proposed scheme are derived and verified by simulations. Numerical results demonstrate that an improved throughput is achieved by the proposed scheme over other recently propose...

2016
Young-Min Ko Dong-Hyun Ha Chang-Bin Ha Hyoung-Kyu Song

In recent years, a multi-antenna system is actively used to improve the performance of the communication. A MIMO-OFDM system can provide multiplexing gain or diversity gain. These gains are obtained in proportion to the increase of the number of antennas. In order to provide the optimal gain of the MIMO-OFDM system, various transmission and reception schemes are presented. This paper aims to pr...

2001
Janne Peisa Stefan Parkvall Erik Dahlman Pål K. Frenger Per Beming

WCDMA, Packet data, HSDPA In this paper, the first step of evolving WCDMA beyond IMT-2000 is outlined and elaborated upon. It is shown how techniques such as fast link adaptation, fast hybrid ARQ and fast scheduling, among others, can be applied to WCDMA, leading to increased throughput for best-effort services, lower delays, and downlink peak rates in the order of 10 Mbit/s. The end-to-end pro...

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