Joint Customized Price and Power Control for Energy-Efficient Multi-Service Wireless Networks via S-Modular Theory

Tsiropoulou, Eirini Eleni; Vamvakas, Panagiotis; Papavassiliou, Symeon

doi:10.1109/tgcn.2017.2678207

Cited by 40 publications

(25 citation statements)

References 17 publications

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“…One such example could be the development of green technologies within the field of communication [60][61][62]. Since the world during the last decades has become increasingly networked and interconnected, it is also important to follow the environmental impacts of this development from a historical perspective.…”

Section: Discussionmentioning

confidence: 99%

“We Started Building Green IT Back in the 1970s”: Making Sense of Sustainable ICT through Organizational History

Fors

Lennerfors

2018

Sustainability

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Abstract:Traditionally, research related to Sustainable Information and Communication Technology (Sustainable ICT) has focused on the technological aspects, but there is an emerging stream of research, which looks at Sustainable ICT from the viewpoint of the social sciences. In this paper, we build on and contribute to this research by emphasizing the role of history in the shaping of Sustainable ICT. Rather than seeing the importance of history as pure technological determinism or path dependency, we draw on the historical turn in organizational studies to highlight the idea that history is malleable. This implies that organizational actors can reshape their past from the present, thus creating new conditions for the future. To highlight the importance of this theoretical conceptualization of history, we present a case study of the Nordic ICT company Tieto, where the heat recovery system of the Älvsjö data center (finished in 1978) was reconceptualized as "green" following the Green Information Technology (Green IT) trend in 2007. This way of theorizing organizational history could be used more widely within research into Sustainable ICT in order to understand why Sustainable ICT has become what it is, which also implies that we can re-interpret this history to shape the future of Sustainable ICT.

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Section: Discussionmentioning

confidence: 99%

“We Started Building Green IT Back in the 1970s”: Making Sense of Sustainable ICT through Organizational History

Fors

Lennerfors

2018

Sustainability

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“…Power control problems have been extensively studied mainly from the aspect of reducing battery drain and enhancing energy efficiency [3][4][5]. By adding more degrees of freedom alongside power control, data rate allocation becomes feasible with the authors in [6][7][8] to convert a two-variable problem to a single parameter optimization expressed as the ratio of rate to the respective power.…”

Section: Related Workmentioning

confidence: 99%

A user-centric economic-driven paradigm for rate allocation in non-orthogonal multiple access wireless systems

Vamvakas

Tsiropoulou

Papavassiliou

2018

J Wireless Com Network

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In this paper, a novel approach towards optimizing users' rate allocation and price customization in a nonorthogonal multiple access (NOMA) wireless network under quality of service (QoS)-differentiated requested services is proposed and studied. A multi-service wireless system is considered, where each user's QoS requirements are reflected through a utility function, alongside his willingness to pay for the corresponding service. Within this setting, in order to jointly allocate the customized price and rate, a two-variable optimization problem arises. Based on the principles of S-modular theory, the above two-variable (rate and price) optimization problem is modeled and solved as a distributed non-cooperative game. The existence and convergence to the Nash equilibrium point with reference to both user's uplink transmission rate and price is proven. The proposed approach, allowing for decision-making at the user side, is well aligned with the self-optimization and self-adaptation objectives of future emerging 5G wireless networks. The performance evaluation of the devised framework is conducted via modeling and simulation under various scenarios, and the numerical results clearly demonstrate its superiority against other existing approaches.

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“…In [13], the problem of joint utility-based customized price and power control in multi-service wireless networks was investigated using S-modular theory. The authors of [14] made suboptimal solutions according to iterative methods for a resource allocation problem with partial fairness considering weighted sum throughput maximization in an orthogonal frequency-division multiple access system.…”

Section: Introductionmentioning

confidence: 99%

Per-Flow Throughput Fairness in Ring Aggregation Network with Multiple Edge Routers

Nakayama¹,

Sezaki

2018

BDCC

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Ring aggregation networks are often employed by network carriers because of their efficiency and high fault tolerance. A fairness scheme is required in ring aggregation to achieve per-flow throughput fairness and bufferbloat avoidance, because frames are forwarded along multiple ring nodes. N Rate N + 1 Color Marking (NRN + 1CM) was proposed to achieve fairness in ring aggregation networks consisting of Layer-2 Switches (SWs). With NRN + 1CM, frames are selectively discarded based on color and the frame-dropping threshold. To avoid the accumulation of a queuing delay, frames are discarded at upstream nodes in advance through the notification process for the frame-dropping threshold. However, in the previous works, NRN + 1CM was assumed to be employed in a logical daisy chain topology linked to one Edge Router (ER). The currently available threshold notification process of NRN + 1CM cannot be employed for ring networks with multiple ERs. Therefore, this paper proposes a method for applying NRN + 1CM to a ring aggregation network with multiple ERs. With the proposed algorithm, an SW dynamically selects the dropping threshold to send in order to avoid excess frame discarding. The performance of the proposed scheme was confirmed through computer simulations.

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Joint Customized Price and Power Control for Energy-Efficient Multi-Service Wireless Networks via S-Modular Theory

Cited by 40 publications

References 17 publications

“We Started Building Green IT Back in the 1970s”: Making Sense of Sustainable ICT through Organizational History

“We Started Building Green IT Back in the 1970s”: Making Sense of Sustainable ICT through Organizational History

A user-centric economic-driven paradigm for rate allocation in non-orthogonal multiple access wireless systems

Per-Flow Throughput Fairness in Ring Aggregation Network with Multiple Edge Routers

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