this is a survey of some recent applications of abstract algebra, and in particular group rings, to the `communications' areas.

Routing in Low-earth-orbit (LEO) satellite system involves the choice of inter-satellite links (ISLs) that connects two home satellites of the mobile terminals. We use a mesh model to formulate the LEO system and proposed 4 mesh-based algorithms. The objective is to minimize the new call blocking probability and the forced termination probability. Also, due to the dynamic topology of the LEO sy...

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Nations may defend their freedom of Information and availability of their Information and Communications Technology Services by either Isolation or Habituation, which are both applicable but require totally different structures, culture and governance. Information Operations are not only state level measures, but can be utilized at very low levels and by small entities. It requires multilevel p...

Game theory is the study of decision making in an interactive environment. Coalitional games fulfill the promise of group efficient solutions to problems involving strategic actions. Formulation of optimal player behavior is a fundamental element in this theory. This paper comprises a self-instructive didactic means to study basics of coalitional games indicating how coalitional game theory too...

The research conducted recently by NATO's RTO Systems Analysis Studies (SAS-071) Task Group on Analytical Tools for Irregular Warfare (IW) is of direct interest to the M&S community, as it formulates several new challenges that have to be met by the M&S community. IW comprises among others the following categories: insurgency/counter-insurgency, combating terrorism, unconventional warfare, stra...

The use of social media has revolutionized the internal and external communications and management of many businesses. This paper discusses the various social media platforms in the context of UK building societies. Many companies from the banking sector are utilizing social media, and in some this is outpacing traditional methods of marketing and internal communication. The main aim of this re...