Energy Efficiency vs. Economic Cost of Cellular Networks under Co-channel Interference (original) (raw)
Related papers
Power-Capacity-Tradeoff for Low Energy Interference Limited Cellular Networks
2012 IEEE 75th Vehicular Technology Conference (VTC Spring), 2012
Wireless communications has been recognized as a key enabler to the growth of the future economy. There is an unprecedented growth in data volume and the associated energy consumption in the Information and Communications Technology (ICT) infrastructure. The challenge addressed in this paper is how to meet the growth in data traffic, whilst reducing both the cost and energy consumed. The paper shows that small cell deployments can significantly reduce energy consumption (30%), but increase the network cost (14%). The novel characterization of the tradeoff between Capacity, Energy and Cost (CEC) is of importance to researchers and operators.
Energy Efficiency Modelling and Analyzing Based on Multi-cell and Multi-antenna Cellular Networks
Ksii Transactions on Internet and Information Systems, 2010
In this paper, the relationship between the energy efficiency and spectrum efficiency in a two-cell cellular network is obtained, and the impact of multi-antenna on the energy efficiency of cellular network is analyzed and modeled based on two-state Markovian wireless channels. Then, the energy efficiency of multi-cell cellular networks with co-channel interference is investigated. Simulation results verify the proposed model and the energy-spectrum efficiency tradeoffs in cellular networks with multi-antenna and co-channel interference.
The Computer Journal, 2013
Cooperative communication technologies can improve the system throughput energy efficiency and reliability in dynamic wireless networks. For practical multi-cell multi-antenna mobile cellular networks, co-channel interference is a critical issue affecting cooperative transmission (Co-Tx) performance. In this paper, we first derive a cooperative outage probability model and a cooperative block error rate (BLER) model incorporating a binary differential phase shift keying modulation for performance analysis in such cooperative cellular networks. Based on them, a cooperative energy efficiency model is proposed and analyzed under different Co-Tx scenarios, interference levels and wireless channel conditions. As demonstrated by numerical results, our analytical models show that Co-Tx is an effective approach to mitigate co-channel interference and improve the energy efficiency, BLER and overall outage probability performance in multi-cell multi-antenna cooperative cellular networks.
Energy efficiency in communications: Part III
IEEE Communications Magazine, 2000
, and August 2011). From the previous two issues, it is clear that substantial improvement of energy efficiency in the information and communications technologies (ICT) sector is strongly expected to be achieved through the fundamental innovation enabled by various novel networking architectures, communications protocols, and algorithms. After publication of those two issues (November 2010 and June 2011), we received a great deal of encouragement and a number of inquiries showing deep interest in the critical challenges of energy-efficient communications, which further motivated us to prepare for this final issue (August 2011). Surprisingly, we have noticed that two articles published in the November 2010 issue were listed in "The Top 100 Documents Downloaded for the Month of November 2010" within the IEEE Xplore® digital library, while six articles published in the June 2011 issue were immediately listed in "The Top 100 Documents Downloaded for the Month of June 2011." Encouraged by the first two attractive Feature Topic issues, this final part (August 2011) continues by covering recent developments from networking algorithms to practical applications (e.g., testbed, deployment and standards, etc.) in energy-efficient communications, reflecting the cutting-edge research trends as well as the newest practical needs. Accordingly, this issue includes seven high-quality articles. The first article, "The Global Footprint of Mobile Communications: The Ecological and Economical Perspective" by Albrecht Fehske et al., provides an overview of the global carbon footprint features of mobile communication systems, in relation to their worldwide ecological and economical implications. In particular, the authors predict that an increase of CO 2 equivalent emission by a factor of three would be unavoidable until 2020. The authors further conclude that the production of mobile devices and global radio access network (RAN) operation will remain the major contributors to energy consumption and CO 2 equiv
A Framework for Energy Efficiency Evaluation of LTE Network in Urban, Suburban and Rural Areas.pdf
Energy Efficiency (EE) of base stations (BSs) in cellular networks is a growing concern for cellular operators to not only maintain profitability, but also to reduce the overall environment effects and economic issues for wireless network operators. In this paper, we highly focus on the EE evaluation of LTE BSs. Then, the parameters that are affecting the EE and the coverage area of LTE BS in different scenarios are investigated. EE analysis has been done using few key performance indicators including coverage size (C), area power consumption (APC), energy efficiency and area energy efficiency (AEE). The network performance in term of EE for all the three urban, suburban and rural terrains are compared and assessed. The simulation results show that the LTE BSs have better AEE in urban environment with cell size less than 750 m. For cell radius more than 750 m and 1500 m, the LTE performance becomes better in suburban and rural environments respectively. Also, it is obvious that there is a strongly influence of traffic load on APC and AEE of LTE macrocell networks. For all the three environments, it has been shown that the AEE of LTE macro BS decreases with increasing the traffic load and this effect becomes the same at high loads while the APC decreases as traffic load decreases.
Environmental and Economically Sustainable Cellular Networks
The Information and Communications Technology (ICT) infrastructure is recognized as a key enabler to the growth of the global economy. With increased data transfer, there is an unprecedented growth in the associated energy consumption, carbon emissions and operational cost of ICT. In order for operators to increase competitiveness, the challenge is how to satisfy the growing data demand, whilst reducing the energy consumption and costs. This paper considers the wireless cellular network for both outdoor and indoor environments. Novel and theoretical bounds are presented for energy and cost savings.
Tradeoffs in green cellular networks
2011
Abstract The growing awareness to negative impact of wireless technology on our environment has lead to designing green networks in which energy saving plays an important role. We consider energy saving by switching off a fraction of the base stations. This saving comes at some cost: the coverage is reduced, and moreover, the uplink transmission power of mobiles may increase. This may imply exposure of the human body to stronger electromagnetic fields.
Cellular energy efficiency evaluation framework
… (VTC Spring), 2011 …, 2011
In order to quantify the energy savings in wireless networks, the power consumption of the entire system needs to be captured and an appropriate energy efficiency evaluation framework must be defined. In this paper, the necessary enhancements over existing performance evaluation frameworks are discussed, such that the energy efficiency of the entire network comprising component, node and network level contributions can be quantified. The most important addendums over existing frameworks include a sophisticated power model for various base station (BS) types, which maps the RF output power radiated at the antenna elements to the total supply power of a BS site. We also consider an approach to quantify the energy efficiency of large geographical areas by using the existing small scale deployment models along with long term traffic models. Finally, the proposed evaluation framework is applied to quantify the energy efficiency of the downlink of a 3GPP LTE radio access network.
Spectral and energy efficiency in cellular mobile radio access networks
2017
Driven by the widespread use of smartphones and the release of a wide range of online packet data services, an unprecedented growth in the mobile data usage has been observed over the last decade. Network operators recently realised that the traditional approach of deploying more macrocells could not cope with this continuous growth in mobile data traffic and if no actions are taken, the energy demand to run the networks, which are able to support such traffic volumes risks to become unmanageable. In this context, comprehensive investigations of different cellular network deployments, and various algorithms have been evaluated and compared against each other in this thesis, to determine the best deployment options which are able to deliver the required capacity at a minimum level of energy consumption. A new scalable base station power consumption model was proposed and a joint evaluation framework for the relative improvements in throughput, energy consumption,and energy efficiency...