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This paper focuses on developing energy-efficient online data processing strategy of wireless powered MEC systems under stochastic fading channels. In particular, we consider a hybrid access point (HAP) transmitting RF energy to and…

Information Theory · Computer Science 2021-11-05 Xian Li , Suzhi Bi , Yuan Zheng , Hui Wang

Although multiple works have proposed energy-efficient resource allocation schemes for Massive Multiple-Input Multiple-Output (M-MIMO) system, most approaches overlook the potential of optimizing Power Amplifier (PA) transmission power…

Signal Processing · Electrical Eng. & Systems 2025-10-13 Siddarth Marwaha , Pawel Kryszkiewicz , Eduard A. Jorswieck

A Markovian battery model is proposed to provide the variation of energy states for energy harvesting (EH) secondary users (SUs) in the EH cognitive radio networks (CRN). Based on the proposed battery model, we derive the packet loss…

Probability · Mathematics 2016-03-04 Shanai Wu , Yoan Shin , Jin Young Kim , Dong In Kim

The new frontier in cellular networks is harnessing the enormous spectrum available at millimeter wave (mmWave) frequencies above 28 GHz. The challenging radio propagation characteristics at these frequencies, and the use of highly…

Networking and Internet Architecture · Computer Science 2016-06-08 Marco Mezzavilla , Sanjay Goyal , Shivendra Panwar , Sundeep Rangan , Michele Zorzi

In this work, a MIMO broadcast channel under the energy harvesting (EH) constraint and the peak power constraint is investigated. The transmitter is equipped with a hybrid energy storage system consisting of a perfect super capacitor (SC)…

Information Theory · Computer Science 2015-11-09 Zhi Chen , Pingyi Fan , Dapeng Oliver Wu , Khaled Ben Letaief

We consider an energy harvesting (EH) transmitter communicating with a receiver through an EH relay. The harvested energy is used for data transmission, including the circuit energy consumption. As in practical scenarios, the system state,…

Information Theory · Computer Science 2019-04-09 Andrea Ortiz , Hussein Al-Shatri , Tobias Weber , Anja Klein

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 address an optimal management problem of community energy storage in the real-time electricity market under a stochastic renewable environment. In a real-time electricity market, complete market information may not be…

Systems and Control · Electrical Eng. & Systems 2020-11-30 Lirong Deng , Xuan Zhang , Tianshu Yang , Hongbin Sun , Shmuel S. Oren

This paper investigates an innovative movable antenna (MA)-enhanced multiple-input multiple-output (MIMO) system designed to enhance communication performance. We aim to maximize the energy efficiency (EE) under statistical channel state…

Information Theory · Computer Science 2025-01-22 Xintai Chen , Biqian Feng , Yongpeng Wu , Wenjun Zhang

We consider the problem of maximizing the harvested power in Multiple Input Multiple Output (MIMO) Simultaneous Wireless Information and Power Transfer (SWIPT) systems with power splitting reception. Different from recently proposed…

Information Theory · Computer Science 2017-10-13 Deepak Mishra , George C. Alexandropoulos

In this paper, a novel approach for joint power control and user scheduling is proposed for optimizing energy efficiency (EE), in terms of bits per unit energy, in ultra dense small cell networks (UDNs). Due to severe coupling in…

Networking and Internet Architecture · Computer Science 2016-11-17 Sumudu Samarakoon , Mehdi Bennis , Walid Saad , Mérouane Debba , Matti Latva-aho

In this paper, we examine the maximization of energy efficiency (EE) in next-generation multi-user MIMO-OFDM networks that evolve dynamically over time - e.g. due to user mobility, fluctuations in the wireless medium, modulations in the…

Information Theory · Computer Science 2015-04-16 Panayotis Mertikopoulos , E. Veronica Belmega

This paper studies cell-free massive multiple-input multiple-output (CF-mMIMO) systems that underpin simultaneous wireless information and power transfer (SWIPT) for separate information users (IUs) and energy users (EUs) in Internet of…

Information Theory · Computer Science 2025-05-08 Mohammadali Mohammadi , Le-Nam Tran , Zahra Mobini , Hien Quoc Ngo , Michail Matthaiou

In this paper, we consider a MIMO networked control system with an energy harvesting sensor, where an unstable MIMO dynamic system is connected to a controller via a MIMO fading channel. We focus on the energy harvesting and MIMO precoding…

Systems and Control · Computer Science 2016-08-24 Songfu Cai , Vincent K. N. Lau

The problems of energy harvesting in wireless com- munication systems have recently drawn much attention. In this paper, we focus on the investigation of energy harvesting maximization (EHM) in the important secrecy multi-input multi-…

Information Theory · Computer Science 2016-01-15 Wei Wu , Xueqi Zhang , Baoyun Wang

Mobile-edge computing (MEC) is an emerging paradigm to meet the ever-increasing computation demands from mobile applications. By offloading the computationally intensive workloads to the MEC server, the quality of computation experience,…

Information Theory · Computer Science 2016-11-17 Yuyi Mao , Jun Zhang , Khaled B. Letaief

In this paper, we show how to achieve close-to-optimal utility performance in energy harvesting networks with only finite capacity energy storage devices. In these networks, nodes are capable of harvesting energy from the environment. The…

Optimization and Control · Mathematics 2010-12-10 Longbo Huang , Michael J. Neely

In this paper, we investigate spectrum-power trading between a small cell (SC) and a macro cell (MC), where the SC consumes power to serve the macro cell users (MUs) in exchange for some bandwidth from the MC. Our goal is to maximize the…

Information Theory · Computer Science 2017-04-12 Qingqing Wu , Geoffrey Ye Li , Wen Chen , Derrick Wing Kwan Ng

Cell-free massive MIMO (CF-mMIMO) is expected to provide reliable wireless services for a large number of user equipments (UEs) using access points (APs) distributed across a wide area. When the UEs are battery-powered, uplink energy…

Signal Processing · Electrical Eng. & Systems 2022-05-10 Thomas Choi , Masaaki Ito , Issei Kanno , Takeo Oseki , Kosuke Yamazaki , Andreas F. Molisch

We consider an energy harvesting information update system where a sensor is allowed to choose a transmission mode for each transmission, where each mode consists of a transmission power-error pair. We also incorporate the battery…

Information Theory · Computer Science 2019-12-13 Caglar Tunc , Shivendra Panwar