Cognitive Radio Resource Management for Improving the Efficiency of LTE Network Segments in the Wireless B3G World

Saatsakis, Aggelos; Tsagkaris, Kostas; von-Hugo, D.; Siebert, Matthias; Rosenberger, Martin; Demestichas, Panagiotis

doi:10.1109/dyspan.2008.81

Cited by 16 publications

(9 citation statements)

References 6 publications

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“…In [22] a framework for enhanced RRM in LTE networks was proposed, using cognitive functionality to provide system with knowledge derived from the past interactions, to provide resource allocation and management solution to the future issues, based on database stored reference cases. Such approach would allow system to apply the known solutions to the problems identified in the network, based on the knowledge from similar problems in the past, using context matching techniques.…”

Section: Cognitive Radio Aspects In Cellular Networkmentioning

confidence: 99%

From cognitive radio to cellular networks: Summary and future research on routing protocols

Szydełko

Nardis

2013

2013 IEEE 24th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC Workshops)

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In this work authors are analyzing mobile ad-hoc networks (MANET) and cognitive radio ad-hoc networks (CRAHN) solutions from routing protocols point of view, in order to identify promising directions of the future research, which could be developed towards energy efficient routing protocols for future cellular networks. Literature studies are covering cognitive solutions implementation in cellular environment. Standardization developments were studied, in order to identify industry's views on the energy efficiency aspects in networks, as well as on the alternative offloading solutions. Based on the compilation of the research and industry overviews, various deployment scenarios are considered, including inter-UE, intra-operator, as well as inter-operator case. Number of concepts was identified, including radio resource management solutions, proposals related to the introduction of energy efficiency related performance indicators in networks, or cooperative schemes in inter-operator networks, which could be studied from the energy efficiency point of view. Proposed ideas are basis for further research work. © 2013 IEEE

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Section: Cognitive Radio Aspects In Cellular Networkmentioning

confidence: 99%

From cognitive radio to cellular networks: Summary and future research on routing protocols

Szydełko

Nardis

2013

2013 IEEE 24th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC Workshops)

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“…Such attributes may regard context acquisition (capability to identify previously tackled situations and their suitable solutions [9,10]), profi les management (certain user classes may be better served via a specifi c RAT), as well as policy derivation (storage of data on NO policies and exploitation of them in future situations). Knowledge and experience may help DSONPM to predict problems and act proactively to solve them.…”

Section: Dsonpmmentioning

confidence: 99%

Functional architecture

Dimitrakopoulos

Demestichas

Saatsakis

et al. 2009

IEEE Veh. Technol. Mag.

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Users' expectations toward technology, in terms of quality, service availability, and accessibility are ever increasing. At the same time, the wireless world is rapidly moving towards the next generation of systems, featuring cooperating and re configuring capabilities for coexisting radio access technologies (RATs), so that to cater for advanced service features, provided to users at high rates and cost-effectively. In this respect, conventional management techniques should be replaced by advanced schemes that consider multidimensional characteristics, increased complexity, and high speeds. This article proposes a functional architecture (FA) as a means to capture such unfamiliar requirements and to optimize resource management in future systems. The fundamentals and the approach followed in the architecture are discussed, and its functionality is investigated.

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“…In order to fully exploit the cognitive capability, a wireless network architecture in which both the macrocell and the femtocell have the cognitive capability are considered in . Meanwhile, cognitive radio resource managements are employed to green wireless communications via multiple cognitive dimensions. On the other hand, HetNets evolve with great challenges on the conventional network architecture, dynamic topology, complex interference, and rational strategic intelligent terminal – all of which call for more autonomous and cognitive resource management frameworks .…”

Section: Introductionmentioning

confidence: 99%

Energy Efficiency Architecture Design for Heterogeneous Cellular Networks

Yang

Anpalagan

2015

Wireless Communications

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Heterogeneous cellular networks (HetNets) have emerged as a new promising paradigm to further enhance capacity, where multiple types of low power smallcells are overlaid in a high power macrocell. They provide more opportunities to explore the potential cognition and cooperation diversities to improve the spectral efficiency. On the other hand, energy efficiency is a critical performance metric, which deserves more attention from academia, industry, and standardization, in particular, in scenarios where smallcells are densely deployed. In this paper, a systematic architecture is presented to efficiently utilize network resources and thus improve the overall energy efficiency. The architecture is referred to as OCRT because it combines a multi-tier energy efficiency considerations of operators, core networks, radio access networks and terminals (e.g., OCRT). Furthermore, a corresponding triply-cycle-based functional structure is proposed for the OCRT to make various interactions between the corresponding functional entities clear. An implementation scheme of OCRT based on cognitive information interaction cycle and an energy efficiency-aware protocol is presented. Finally, a use case of the presented OCRT green design is provided for energy efficiency optimization in a cognition-and-cooperation-characterized HetNet.Energy efficiency architecture design in hetnets Meanwhile, network robustness, flexibility, and greenness are promisingly becoming the research focus of the wireless community. The terminals have capabilities of more intelligence and multi-homing with higher QoS requirements, which are largely determined by the promising cognitive radio and cooperative communication networking.Therefore, regardless of the financial or the environmental considerations or better QoS provisioning, reducing the amount of energy consumption has become an important way to increase the profits of both operators and users in mobile communications industry. Also, in order not to follow the one-sided pursuit of spectral efficiency, the next generation of communications should meanwhile care about the energy efficiency. Energy efficient design/networking means monetary benefit for the operators and much better QoS for prolonging the battery life of user terminals by deploying new network architectures with low signaling overhead. The extensive research concentrated on green communications include several valuable surveys [3,4] for future Internet, [5] for wireless communication networks, and [6] for wireless cellular networks. Meanwhile, the energy efficiencies of different media access control behaviors in 802.11n were analyzed and compared in [7]. Several energy efficiency architecture, protocol, and algorithm are summarized in these works.However, to the best of our knowledge, there is no work to investigate the energy efficiency-related issues in one unified optimization architecture with multi-tier considerations, for instance, operators, core networks, radio access networks and terminals (e.g., OCRT). Towards 5G communicati...

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Cognitive Radio Resource Management for Improving the Efficiency of LTE Network Segments in the Wireless B3G World

Cited by 16 publications

References 6 publications

From cognitive radio to cellular networks: Summary and future research on routing protocols

From cognitive radio to cellular networks: Summary and future research on routing protocols

Functional architecture

Energy Efficiency Architecture Design for Heterogeneous Cellular Networks

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