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This letter introduces weighted sum power (WSP), a new performance metric for wireless resource allocation during cooperative spectrum sharing in cognitive radio networks, where the primary and secondary nodes have different priorities and…

网络与互联网体系结构 · 计算机科学 2024-10-03 Yang Yu

We study an unmanned aerial vehicle (UAV) identification network equipped with an energy harvesting (EH) technique. In the network, the UAVs harvest energy through radio frequency (RF) signals transmitted from ground control stations (GCSs)…

信息论 · 计算机科学 2021-08-24 Jae Cheol Park , Kyu-Min Kang , Junil Choi

An energy efficient routing protocol is the major attentiveness for researcher in field of Wireless Sensor Networks (WSNs). In this paper, we present some energy efficient hierarchal routing protocols, prosper from conventional Low Energy…

网络与互联网体系结构 · 计算机科学 2013-09-18 M. Aslam , M. B. Rasheed , T. Shah , A. Rahim , Z. A. Khan , U. Qasim , M. W. Qasim , A. Hassan , A. Khan , N. Javaid

Evolving power systems with increasing levels of stochasticity call for a need to solve optimal power flow problems with large quantities of random variables. Weather forecasts, electricity prices, and shifting load patterns introduce…

最优化与控制 · 数学 2016-09-09 Kyri Baker , Bridget Toomey

The uncertainty of multiple power loads and renewable energy generations (PLREG) in power systems increases the complexity of power flow analysis for decision-makers. The chance-constrained method can be applied to model the optimization…

最优化与控制 · 数学 2021-11-12 Ren Hu , Qifeng Li

In this paper, we consider the energy-bandwidth allocation for a network with multiple broadcast channels, where the transmitters access the network orthogonally on the assigned frequency band and each transmitter communicates with multiple…

信息论 · 计算机科学 2014-10-13 Zhe Wang , Vaneet Aggarwal , Xiaodong Wang

Several studies exhibit that the traffic load of the routers only has a small influence on their energy consumption. Hence, the power consumption in networks is strongly related to the number of active network elements, such as interfaces,…

网络与互联网体系结构 · 计算机科学 2014-10-07 Frédéric Giroire , Dorian Mazauric , Joanna Moulierac

We consider the problem of transmission energy op- timization via range assignment for Low Power Nodes (LPNs) in Long Term Evolution (LTE) Heterogenous Networks (HetNets). The optimization is subject to the load coupling model, where the…

信息论 · 计算机科学 2017-06-23 Lei You , Lei Lei , Di Yuan

In this paper, we propose an online power allocation scheme to maximize the time averaged sum rate for multiple downlink receivers with energy harvesting transmitter. The transmitter employs non-orthogonal multiple access (NOMA) and/or…

信息论 · 计算机科学 2019-11-21 Mateen Ashraf , Zijian Wang , Luc Vandendorpe

In this contribution, the optimization of power proportion allocated for each user in the downlink (DL) non-orthogonal multiple access (NOMA) systems have been developed. Successive interference cancellation (SIC) technique recovers users'…

信号处理 · 电气工程与系统科学 2020-01-14 Jaime Laelson Jacob , Taufik Abrao

Non-orthogonal multiple access (NOMA) has attracted much recent attention owing to its capability for improving the system spectral efficiency in wireless communications. Deploying NOMA in heterogeneous network can satisfy users' explosive…

信息论 · 计算机科学 2018-01-16 Haijun Zhang , Fang Fang , Julian Cheng , Keping Long , Wei Wang , Victor C. M. Leung

The energy efficiency (EE) of a multi-user multi-relay system with the maximum diversity network coding (MDNC) is studied. We explicitly find the connection among the outage probability, energy consumption and EE and formulate the…

信息论 · 计算机科学 2016-08-23 Nan Qi , Ming Xiao , Theodoros A. Tsiftsis , Mikael Skoglund , Phuong L. Cao , Lixin Li

Considering a multi-user interference network with an eavesdropper, this paper aims at the power allocation to optimize the worst secrecy throughput among the network links or the secure energy efficiency in terms of achieved secrecy…

信息论 · 计算机科学 2017-08-25 Zhichao Sheng , Hoang Duong Tuan , Ali Arshad Nasir , Trung Q. Duong , H. Vincent Poor

Energy consumption is a major limitation of low power and mobile devices. Efficient transmission protocols are required to minimize an energy consumption of the mobile devices for ubiquitous connectivity in the next generation wireless…

信息论 · 计算机科学 2021-06-04 S. M. Zafaruddin , Jan Plachy , Zdenek Becvar , Amir Leshem

This paper investigates resource allocation for simultaneous wireless information and power transfer (SWIPT) downlink systems based on a non-linear energy harvesting model. The resource allocation algorithm design is formulated as a…

This paper considers orthogonal frequency division multiple access systems with simultaneous wireless information and power transfer. We study the resource allocation algorithm design for maximization of the energy efficiency of data…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

The conventionally independent power, water, and heating networks are becoming more tightly connected, which motivates their joint optimal energy scheduling to improve the overall efficiency of an integrated energy system. However, such a…

系统与控制 · 电气工程与系统科学 2021-11-29 Sidun Fang , Chenxu Wang , Yashen Lin , Changhong Zhao

Energy harvesting (EH) is a promising technology for realizing energy efficient wireless networks. In this paper, we utilize the ambient RF energy, particularly interference from neighboring transmissions, to replenish the batteries of the…

网络与互联网体系结构 · 计算机科学 2015-07-28 Abdelrahman M. Ibrahim , Ozgur Ercetin , Tamer ElBatt

In this paper, we study the problem of reducing the energy consumption in a mobile communication network; we select the smallest set of active base stations that can preserve the quality of service (the minimum data rate) required by the…

信息论 · 计算机科学 2012-06-28 Emmanuel Pollakis , Renato Luis Garrido Cavalcante , Slawomir Stańczak

Wireless sensors can integrate rechargeable batteries and energy-harvesting (EH) devices to enable long-term, autonomous operation, thus requiring intelligent energy management to limit the adverse impact of energy outages. This work…

信息论 · 计算机科学 2015-02-23 Nicolo Michelusi , Michele Zorzi
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