Autonomic Cooperative Communications

Autonomic Cooperative Communications

DOI: 10.4018/978-1-5225-7598-6.ch086
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Abstract

When perceived from the perspective of physical layer upwards, as it capitalizes on signal processing in both the spatial and temporal domains, the concept of link layer inherent distributed cooperative relaying based on virtual antenna arrays aims to improve the reliability of wireless communications through the exploitation of radio diversity provided by relay nodes. Given such a context, the inclusion of network layer routines of relevance may only further facilitate the orchestration of networked devices in terms of arranging for their pre-selection into cooperative groups. However, as the system becomes more and more complex, it appears of necessity to incorporate overlay elements of self-management-driven generic autonomic network architecture to allow simultaneous formation of numerous cooperative and non-cooperative set-ups. This is where the substantial role of autonomic system design comes into the global picture as the umbrella under which the concept of autonomic cooperative communications may be realized.
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Background

As the number of globally interconnected devices is becoming substantially large, the resulting networked systems are getting prone to configuration issues and resiliency becomes one of their key characteristics. Following the rationale behind self-management of autonomic computing, the main trend in networking nowadays is to put emphasis on the ability of a networked system to self-configure, self-optimise, self-heal, and self-protect without any explicit need for external human intervention. This is crucial, for complexity reasons, as complete automation appears to be the only reasonable and justified way forward. In particular, devices may improve the related system robustness by sharing their computational resources through the application of cooperative schemes having been elevated to the level of Autonomic Cooperative Behaviour. For this reason the autonomic system design behind the Generic Autonomic Network Architecture was applied to synergise both the concept of Virtual Antenna Arrays and Multi-Point Relay station selection heuristics of the Optimised Link State Routing protocol, so that substantially large set-ups of devices could be considered to imitate the operation of Human Autonomic Nervous System. This was achieved with the aid of Autonomic Cooperative Networked System design allowing for the overall system to be controlled by Decision Making Entities within Autonomic Control Loops.

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