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Time synchronization is critical for parallel and distributed simulation (PADS). In this paper we first compare the two main synchronization mechanisms in PADS, namely conservative and optimistic protocols. Then we propose a Minimum Time Buckets synchronization algorithm, which can optimistically schedule events without sending anti-messages. Comparing to the well-known Breathing Time Bucket (MTB)...
Parallel simulation technology is broadly used in complex system and real time simulations, such as Autonomous Decentralized System (ADS) and Internet of Things (IoT). Rollback mechanism is a key factor to improve the performance of optimistic parallel simulation. In this paper we first introduce the common time synchronization protocols and rollback recovery mechanisms in parallel simulation. Then...
As a new paradigm, certificateless public key cryptography was introduced by AI-Riyami and Paterson. It resolves the high cost of certificate in the traditional public key cryptography and the inherent key escrow problem in the identity-based cryptography. Due to the advantages of certificateless public key cryptography, a new efficient certificateless blind signature scheme from bilinear maps is...
Global uncertainty and sensitivity analysis(UA-SA) can be applied to quantify the influence of uncertain model inputs on the response variability of a power system model. Uncertainty and sensitivity analysis algorithms are becoming an efficient tool for the understanding, application and development of mathematical and computer models. In this paper, Morris and Extended Fourier Amplitude Sensitivity...
This paper proposes a hybrid Line-of-Sight (LoS) computation method for terrains and terrain surfaces, such as buildings and trees, represented using different formats. Unlike the unified triangular terrain representation used in 3D games, the representation of terrains and features is different in most of government training systems. The proposed hybrid approach improves LoS performance around 50%...
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