A Novel Simulation Time and Wall Clock Time Synchronization Algorithm for HLA

2012 ◽  
Author(s):  
Zexin Jiang
Keyword(s):  
Time Synchronization ◽  
Clock Time ◽  
Synchronization Algorithm ◽  
Simulation Time

Research on Time Synchronization Algorithm in Wireless Sensor Networks

2011 ◽  
Vol 403-408 ◽  
pp. 1397-1400
Author(s):  
Ping Wang ◽  
Shi Wu Xu
Keyword(s):  
Wireless Sensor Networks ◽  
Energy Consumption ◽  
Sensor Networks ◽  
Time Synchronization ◽  
Wireless Sensor ◽  
Advantages And Disadvantages ◽  
Synchronization Algorithm ◽  
Lower Complexity ◽  
Reduce Energy Consumption

Time synchronization is important for many applications in Wireless Sensor Networks, how to improve synchronization precision and reduce energy consumption are the two important aspects in Wireless Sensor Networks. In this paper, first, we introduce the TPSN and DMTS algorithms, after analyzing the advantages and disadvantages of both. Make use of two algorithms have been integrated. We proposed a DMSN time synchronization algorithm. Experiments show that ,comparing with the TPSN algorithm, DMSN algorithm has lower complexity and energy consumption．It can be easily applied in Wireless Sensor Networks．

Study on Aerospace Layering Time Synchronization Architecture and Time Synchronization Algorithm

2012 ◽  
Vol 546-547 ◽  
pp. 1614-1619
Author(s):  
Fei Jiang Huang ◽  
Xiao Chun Lu ◽  
Jun Yang ◽  
Qing Xiao Shan ◽  
Yong Bin Zhou
Keyword(s):  
Time Synchronization ◽  
Rapid Development ◽  
Frequency Standard ◽  
High Accuracy ◽  
Time Frequency ◽  
Aerospace Application ◽  
Visual Model ◽  
Application Systems ◽  
Synchronization Algorithm ◽  
Time And Frequency Standard

The rapid development of various kinds of aerospace application systems requires the appropriate high-accuracy time and frequency standard. This problem can be effectively solved by establishing suitable time and frequency standard in aerospace. Based on the establishment of aerospace satellite visual model, the simulation of satellite visual time on 3-layer constellation structure, including GEO satellite, IGSO satellites and MEO satellites, has been conducted. The visual features of this constellation have been gained. Combining with the major influencing factors of satellite clock correction error, aerospace time synchronization architecture on the basis of layering has been proposed. The time synchronization algorithm in line with this architecture has been researched. The results show that aerospace time frequency standard established based on this layering time synchronization architecture can meet the demand on high-accuracy time frequency of future aerospace application systems.

scholarly journals Secure Routing in Manet Using Synchronization and Data Authencity

2014 ◽  
Vol 14 (2) ◽  
pp. 24-30 ◽  
Author(s):  
Gundala Swathi ◽  
R. Saravanan
Keyword(s):  
Time Synchronization ◽  
Data Replication ◽  
Secure Routing ◽  
Data Availability ◽  
Mobile Adhoc Networks ◽  
Adverse Conditions ◽  
Synchronization Algorithm ◽  
Adhoc Networks ◽  
Secure Transmission

Abstract In recent years synchronization plays a major issue for secure transmission in mobile adhoc networks. When an attacker modifies the time synchronization algorithm, the nodes will have faulty estimates of other nodes location, leading to chaos. While transmitting under these adverse conditions, packets might be lost or might be sent to wrong locations. Data replication and data diffusion are two methods which are used to solve the problem of data availability. In this paper we propose an algorithm for secure multi hop transmission used for external attacks.

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