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Existing Internet protocols assume persistent end-to-end connectivity, which cannot be guaranteed in disruptive and high-latency space-terrestrial networks. To operate over these challenging networks, Delay/Disruption Tolerant Networking (DTN) architecture has been proposed. Although recent advances, evaluating DTN routing in large-scale networks spanning prolonged time-evolving topologies remain...
In this paper, a method for the formation control of high-altitude balloons is developed. This method uses a distributed extremum seeking controller implemented at each balloon. The controller works to minimize a cost function based on the number of users connected to each balloon. This cost function is designed so that the balloons tend to spread themselves out evenly over Earth. The control approach...
There is now a need to become the studies related to the new teaching-learning models, especially models using web tools such as educational support. The classic models over the years have become obsolete, in addition to this, the new generations are subject to a means quite different from the existing environment when they were created. The use of Web X.0 tools to intervene part of the teaching and...
Vehicular Delay tolerant network (DTN) is mainly characterized by intermittent connectivity, long and variable delay, asymmetric data rates and high error rates. Nodes are operated by using store-carry-and-forward mechanism to forward the packets. DTN nodes are mobile in nature and they have limited time to hold a packet to forward it to the other nodes. Therefore, after specified amount of time bundle...
In order to more efficiently manage and display the Internet public opinion information about natural disasters for the serious natural disaster relief decision support, a kind of geospatial grid display method based the global subdivision grid is presented. By extracting the location information of the Internet public opinion information about natural disasters, the related disaster information can...
Treatments of applications of the exponential function in Calculus textbooks are often cursory in that they treat unchecked (Malthusian) exponential growth processes without examination of their implications and consequences. Through the use of problems posed to students, we illustrate the implications of such processes when applied to the growth of populations and to the growth in the rates of consumption...
Future survival of humans depends on how diverse spectrum allocation communications is done. Who controls communications spectrum technology for access, time and content will control the quality of life and how one is to survive. The human rights of equal access to spectrum communications is at risk and can disable basic human needs to be satisfied. Spectrum is a finite physical form that interacts...
This paper mainly concentrates on the control of Lunar-bots and is also applicable to other kinds of robots like the one used in warfare, medical surgeries, and even the one that is used for UAV automation using the world wide accessed internet communication with Earth Moon Communication (EMC). This paper discusses the unique way in which we can control the robot deployed in the Moon for space research...
Future space exploration demands a space network that will be able to connect spacecrafts with one another and in turn with Earth's terrestrial Internet and hence efficiently transfer data back and forth. The feasibility of this technology would enable everyone to directly access telemetric data from distant planets and satellites. The concept of an Interplanetary Internet (IPN) is only in its incubation...
It is significant to develop an approach to realizing reliable transmission in the uplinks of InterPlaNetary (IPN) Internet. Multipath cooperative communications provide a magnificent prospect in this scenario. Furthermore, network coding has ability to further improve the outage performance of cooperative communication systems. We investigate the properties of the uplinks in IPN Internet and propose...
Delay/disruption tolerant networking (DTN) is considered one of the most suitable technologies for implementing a space system of systems (SoS) internetworking architecture. Aggregation of multiple DTN bundles within a data transport block, which was proposed to resist space channel asymmetry, has been a controversy for years. In this paper, an experimental investigation of whether or not the aggregation...
A new teaching sequence using ICT methods and tools was designed, to teach Geography as well as ICT skills, to primary school students. The starting point was the geography lesson, as by its very nature offers many different possibilities in teaching while using Google earth, search engines, creation of presentations being only some of them. This study focuses on a) familiarising students with basic...
This paper reports on the authors' attempts for realtime lecture delivery between Japan, Thailand and Malaysia using a redundant network consisting of a high-speed internet satellite (WINDS) and a terrestrial line (JGN2plus). The feasibility of multi-site real-time distant lecture system has been confirmed in several lecture delivery experiments. Also, the robustness of system has been proved by near...
WorldTV is a proposed TV app for the discovery of user-generated video from around the world. We describe a two-screen solution (a TV app and accompanying mobile app to control what appears on the television screen) would let viewers browse and play geotagged videos plotted on a 3D model of the earth. The content would include video from viewers' own social networks as well as user-generated news...
Future space exploration missions need a robust, efficient and reliable communication infrastructure. This implies new communications and networking challenges, which are the elements of the so called Inter PlaNetary (IPN) Internet. This paper introduces the essential research challenges of the IPN environment, analyzes an envisaged IPN network infrastructure and illustrates and surveys the topological...
Phishing is a form of online identity theft. Phishers use social engineering to steal victims' personal identity data and financial account credentials. Social engineering schemes use spoofed e-mails to lure unsuspecting victims into counterfeit websites designed to trick recipients into divulging financial data such as credit card numbers, account usernames, passwords and social security numbers...
In field of Remote Sensing and GIS, recently become easier to find and download satellite imagery from official data provider website freely, but the aggravating circumstance is the expensive price for satellite imagery processing and GIS commercial software. This paper attempt to give solutions for this matter. At present we have many choices because of the presence of open source software and online...
The Web Content Aggregation Service based on Digital Earth geospatial framework is combined form of existing web content aggregation service and corresponding space position information retrieval. The customized service comprises three stages: web content acquisition, aggregation and distribution stage. This paper focuses on the first stage where the required content is fetched from multiple web sites...
This paper proposes an interactive Web 3D virtual experience environment based on O3D. A virtual experience hall was implemented with an educational goal of "saving the earth from global warming." The interactive Web 3D virtual experience hall is capable of providing flexible services without being confined to a specific platform. A storytelling approach was employed to maximize the interactive...
Cyber Physical Systems (CPS) are the intelligent systems which physical and engineered systems are closely integrated. This paper first introduced the concept of CPS, summarized the status of CPS and analyzed the differences between CPS and popular “The Internet of Things”. Followed list the CPS applications of smart grid, water distributed networks and assistive devices, described the efforts that...
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