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相关论文: Exploiting Social Tie Structure for Cooperative Wi…

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Social groups give the opportunity for a new form of caching. In this paper, we investigate how a social group of users can jointly optimize bandwidth usage, by each caching parts of the data demand, and then opportunistically share these…

信息论 · 计算机科学 2018-10-16 Mohammed Karmoose , Martina Cardone , Christina Fragouli

In this paper, the application of simultaneous wireless information and power transfer (SWIPT) to non-orthogonal multiple access (NOMA) networks in which users are spatially randomly located is investigated. A new cooperative SWIPT NOMA…

信息论 · 计算机科学 2016-11-17 Yuanwei Liu , Zhiguo Ding , Maged Elkashlan , H. Vincent Poor

We study optimal user-network association in an integrated 802.11 WLAN and 3G-UMTS hybrid cell. Assuming saturated resource allocation on the downlink of WLAN and UMTS networks and a single QoS class of mobiles arriving at an average…

网络与互联网体系结构 · 计算机科学 2007-05-23 Dinesh Kumar , Eitan Altman , Jean-Marc Kelif

This paper considers a wireless powered communication network (WPCN), where multiple users harvest energy from a dedicated power station and then communicate with an information receiving station. Our goal is to investigate the maximum…

信息论 · 计算机科学 2017-04-12 Qingqing Wu , Meixia Tao , Derrick Wing Kwan Ng , Wen Chen , Robert Schober

The introduction of relay station (RS) nodes is a key feature in next generation wireless networks such as 3GPP's long term evolution advanced (LTE-Advanced), or the forthcoming IEEE 802.16j WiMAX standard. This paper presents, using game…

信息论 · 计算机科学 2016-11-18 Walid Saad , Zhu Han , Tamer Başar , Mérouane Debbah , Are Hjørungnes

This paper presents a potential game approach for distributed cooperative selection of informative sensors, when the goal is to maximize the mutual information between the measurement variables and the quantities of interest. It is proved…

系统与控制 · 计算机科学 2014-03-05 Han-Lim Choi , Su-Jin Lee

We consider the decentralized power allocation and spectrum sharing problem in multi-user, multi-channel systems with strategic users. We present a mechanism/game form that has the following desirable features. (1) It is individually…

最优化与控制 · 数学 2012-02-10 Ali Kakhbod , Demosthenis Teneketzis

Non-orthogonal multiple access (NOMA) can improve the spectral efficiency by exploiting the power domain and successive interference cancellation (SIC), and it can be applied to various transmission schemes including random access that…

信息论 · 计算机科学 2018-01-09 Jinho Choi

Stratospheric solar-powered high-altitude platform stations (HAPS) have recently gained immense popularity for their ubiquitous connectivity and resilient operation while providing/catalyzing advanced mobile wireless communication services.…

信号处理 · 电气工程与系统科学 2024-06-05 Sidrah Javed , Mohamed-Slim Alouini

In this paper, we design an association scheme to maximize the sum energy efficiency for massive multiple-input and multiple-output (MIMO) enabled heterogeneous cellular networks (HCNs). Considering that the final formulated problem is in a…

信息论 · 计算机科学 2016-07-06 Tianqing Zhou

This work proposes a distributed power allocation scheme for maximizing energy efficiency in the uplink of orthogonal frequency-division multiple access (OFDMA)-based heterogeneous networks (HetNets). The user equipment (UEs) in the network…

信息论 · 计算机科学 2016-11-17 Giacomo Bacci , E. Veronica Belmega , Panayotis Mertikopoulos , Luca Sanguinetti

We study competition between wireless devices with incomplete information about their opponents. We model such interactions as Bayesian interference games. Each wireless device selects a power profile over the entire available bandwidth to…

计算机科学与博弈论 · 计算机科学 2007-09-05 Sachin Adlakha , Ramesh Johari , Andrea Goldsmith

A game-theoretic framework is used to study the effect of constellation size on the energy efficiency of wireless networks for M-QAM modulation. A non-cooperative game is proposed in which each user seeks to choose its transmit power (and…

信息论 · 计算机科学 2016-11-18 Farhad Meshkati , Andrea J. Goldsmith , H. Vincent Poor , Stuart C. Schwartz

After a decade of research in the field of wireless sensor networks (WSNs) there are still open issues. WSNs impose several severe requirements regarding energy consumption, processing capabilities, mobility, and robustness of wireless…

网络与互联网体系结构 · 计算机科学 2015-09-14 Georg Möstl , Andreas Springer

In this paper, we compare the performances of cooperative and distributed spectrum sensing in wireless sensor networks. After introducing the basic problem, we describe two strategies: 1) a cooperative sensing strategy, which takes…

网络与互联网体系结构 · 计算机科学 2008-09-22 Zheng Sun , Wenjun Xu , Zhiqiang He , Kai Niu

This paper focuses on the cross-layer issue of resource allocation for energy efficiency in the uplink of a multiuser MIMO wireless communication system. Assuming that all of the transmitters and the uplink receiver are equipped with…

信息论 · 计算机科学 2008-07-22 Stefano Buzzi , H. Vincent Poor , Daniela Saturnino

Powered by renewable energy sources, cellular communication systems usually have different wireless traffic loads and available resources over time. To match their traffics, it is beneficial for two neighboring systems to cooperate in…

信息论 · 计算机科学 2016-11-17 Yinghao Guo , Jie Xu , Lingjie Duan , Rui Zhang

In cellular wireless networks, user association refers to the problem of assigning mobile users to base station cells -- a critical, but challenging, problem in many emerging small cell and heterogeneous networks. This paper considers a…

网络与互联网体系结构 · 计算机科学 2013-04-16 Changkyu Kim , Russell Ford , Yanjia Qi , Sundeep Rangan

In this letter, we investigate the problem of dynamic spectrum access for small cell networks, using a graphical game approach. Compared with existing studies, we take the features of different cell loads and local interference relationship…

信息论 · 计算机科学 2016-11-17 Yuhua Xu , Chenggui Wang , Junhong Chen , Jinlong Wang , Yitao Xu , Qihui Wu , Alagan Anpalagan

In wireless communications, transforming network into graphs and processing them using deep learning models, such as Graph Neural Networks (GNNs), is one of the mainstream network optimization approaches. While effective, the generative AI…

网络与互联网体系结构 · 计算机科学 2024-05-09 Jiacheng Wang , Yinqiu Liu , Hongyang Du , Dusit Niyato , Jiawen Kang , Haibo Zhou , Dong In Kim