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In this paper power allocation in a cellular network, which transmitter uses massive multiple inputs multiple outputs (MIMO) system was studied. As circuit power consumption is increased by the number of antenna in transmitter and users,…

Signal Processing · Electrical Eng. & Systems 2019-01-03 Saeed Sadeghi Vilni

This paper addresses the problem of resource allocation for systems in which a primary and a secondary link share the available spectrum by an underlay or overlay approach. After observing that such a scenario models both cognitive radio…

Information Theory · Computer Science 2016-12-21 Alessio Zappone , Bho Matthiesen , Eduard A. Jorswieck

Assume that a multi-user multiple-input multiple-output (MIMO) communication system must be designed to cover a given area with maximal energy efficiency (bit/Joule). What are the optimal values for the number of antennas, active users, and…

Information Theory · Computer Science 2014-05-02 Emil Björnson , Luca Sanguinetti , Jakob Hoydis , Mérouane Debbah

Driven by green communications, energy efficiency (EE) has become a new important criterion for designing wireless communication systems. However, high EE often leads to low spectral efficiency (SE), which spurs the research on EE-SE…

Networking and Internet Architecture · Computer Science 2016-05-10 Lei Deng , Wenjie Zhang , Yun Rui , Yeo Chai Kiat

This paper studies multi-user wireless powered communication networks, where energy constrained users charge their energy storages by scavenging energy of the radio frequency signals radiated from a hybrid access point (H-AP). The energy is…

Information Theory · Computer Science 2023-12-05 Hoon Lee , Kyoung-Jae Lee , Hanjin Kim , Bruno Clerckx , Inkyu Lee

Due to the spectrum reuse in small cell network, the inter-cell interference has great effect on MEC's performance. In this paper, for reducing the energy consumption and latency of MEC, we propose a game theory based jointing offloading…

Information Theory · Computer Science 2018-05-08 Ning Li , Jose-Fernan Martinez-Ortega , Gregorio Rubio

We study the performance of uplink transmission in a large-scale (massive) MIMO system, where all the transmitters have single antennas and the receiver (base station) has a large number of antennas. Specifically, we analyze achievable…

Information Theory · Computer Science 2013-11-07 Zhengdao Wang

This paper considers secure communication in a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. We study the design of resource allocation algorithms minimizing the…

Information Theory · Computer Science 2013-06-05 Derrick Wing Kwan Ng , Robert Schober

This paper investigates the sum-rate gains brought by power allocation strategies in multicell massive multipleinput multiple-output systems, assuming time-division duplex transmission. For both uplink and downlink, we derive tractable…

Information Theory · Computer Science 2015-06-11 Qi Zhang , Shi Jin , Matthew McKay , David Morales-Jimenez , Hongbo Zhu

A game-theoretic model for studying power control in multi-carrier CDMA systems is proposed. Power control is modeled as a non-cooperative game in which each user decides how much power to transmit over each carrier to maximize its own…

Information Theory · Computer Science 2007-07-13 Farhad Meshkati , Mung Chiang , H. Vincent Poor , Stuart C. Schwartz

Throughput and energy efficiency in 3-way relay channels are studied in this paper. Unlike previous contributions, we consider a circular message exchange. First, an outer bound and achievable sum rate expressions for different relaying…

Information Theory · Computer Science 2015-10-02 Bho Matthiesen , Alessio Zappone , Eduard A. Jorswieck

In this paper, we consider the problem of maximizing the energy efficiency (EE) for multi-input multi-output (MIMO) interference channels, subject to the per-link power constraint. To avoid extensive information exchange among all links,…

Information Theory · Computer Science 2015-07-02 Cunhua Pan , Wei Xu , Jiangzhou Wang , Hong Ren , Wence Zhang , Nuo Huang , Ming Chen

We consider the uplink of massive multicell multiple-input multiple-output systems, where the base stations (BSs), equipped with massive arrays, serve simultaneously several terminals in the same frequency band. We assume that the BS…

Information Theory · Computer Science 2015-01-09 Hien Quoc Ngo , Michail Matthaiou , Erik G. Larsson

Assume that a multi-user multiple-input multiple-output (MIMO) system is designed from scratch to uniformly cover a given area with maximal energy efficiency (EE). What are the optimal number of antennas, active users, and transmit power?…

Information Theory · Computer Science 2016-02-22 Emil Björnson , Luca Sanguinetti , Jakob Hoydis , Mérouane Debbah

In this paper, a novel mean-field game framework is proposed for uplink power control in an ultra-dense millimeter wave network. The proposed mean-field game considers the time evolution of the mobile users' orientations as well as the…

Networking and Internet Architecture · Computer Science 2024-09-23 Nof Abuzainab , Walid Saad , Allen B. MacKenzie

In this paper, energy efficient power control for the uplink two-tier networks where a macrocell tier with a massive multiple-input multiple-output (MIMO) base station is overlaid with a small cell tier is investigated. We propose a…

Networking and Internet Architecture · Computer Science 2017-03-23 Ningning Lu , Yanxiang Jiang , Fuchun Zheng , Xiaohu You

In this paper, we optimize the energy efficiency (bits/s/Hz/J) of device-to-multi-device (D2MD) wireless communications. While the device-to-device scenario has been extensively studied to improve the spectral efficiency in cellular…

Networking and Internet Architecture · Computer Science 2019-08-19 Mariem Hmila , Manuel Fernández-Veiga , Miguel Rodríguez-Pérez , Sergio Herrería-Alonso

Wireless networks are evolving from radio resource providers to complex systems that also involve computing, with the latter being distributed across edge and cloud facilities. Also, their optimization is shifting more and more from a…

Computer Science and Game Theory · Computer Science 2025-08-08 Mandar Datar , Mattia Merluzzi

In this contribution, the performance of a multi-user system is analyzed in the context of frequency selective fading channels. Using game theoretic tools, a useful framework is provided in order to determine the optimal power allocation…

Information Theory · Computer Science 2016-11-18 Nicolas Bonneau , Mérouane Debbah , Eitan Altman , Are Hjørungnes

In multicell massive multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) networks, base stations (BSs) with multiple antennas deliver their radio frequency energy in the downlink, and Internet-of-Things (IoT) devices…

Information Theory · Computer Science 2021-03-25 Zhongyu Wang , Zhipeng Lin , Tiejun Lv , Wei Ni