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In this paper, short-term throughput optimal power allocation policies are derived for an energy harvesting transmitter with energy storage losses. In particular, the energy harvesting transmitter is equipped with a battery that loses a…

Information Theory · Computer Science 2015-03-20 Kaya Tutuncuoglu , Aylin Yener

Endowed with context-awareness and proactive capabilities, caching users' content locally at the edge of the network is able to cope with increasing data traffic demand in 5G wireless networks. In this work, we focus on the energy…

Information Theory · Computer Science 2016-11-15 Bhanukiran Perabathini , Ejder Baştuğ , Marios Kountouris , Mérouane Debbah , Alberto Conte

Simultaneous wireless information and power transfer (SWIPT) is anticipated to have great applications in fifth-generation (5G) and beyond communication systems. In this paper, we address the energy efficiency (EE) optimization problem for…

Information Theory · Computer Science 2017-10-24 Jie Tang , Daniel K. C. So , Arman Shojaeifard , Kai-Kit Wong

Energy efficiency of fixed-rate transmissions is studied in the presence of queueing constraints and channel uncertainty. It is assumed that neither the transmitter nor the receiver has channel side information prior to transmission. The…

Information Theory · Computer Science 2009-01-21 Deli Qiao , Mustafa Cenk Gursoy , Senem Velipasalar

In closed-loop wireless control systems, the state-of-the-art approach prescribes that a controller receives by wireless communications the individual sensor measurements, and then sends the computed control signal to the actuators. We…

Systems and Control · Electrical Eng. & Systems 2021-05-31 Pangun Park , Piergiuseppe Di Marco , Carlo Fischione

The retrodirective antenna array is considered as a mechanism to enable target tracking of a power receiver for long range wireless power transfer (WPT) due to its simplicity in implementation using only analog circuits. By installing the…

Systems and Control · Electrical Eng. & Systems 2024-10-31 Charleston Dale M. Ambatali , Shinichi Nakasuka , Bo Yang , Naoki Shinohara

A green code attempts to minimize the total energy per-bit required to communicate across a noisy channel. The classical information-theoretic approach neglects the energy expended in processing the data at the encoder and the decoder and…

Information Theory · Computer Science 2008-05-19 Pulkit Grover , Anant Sahai

This paper analyzes the communication between two energy harvesting wireless sensor nodes. The nodes use automatic repeat request and forward error correction mechanism for the error control. The random nature of available energy and…

Information Theory · Computer Science 2017-10-26 Animesh Yadav , Mathew Goonewardena , Wessam Ajib , Octavia A. Dobre , Halima Elbiaze

A new multi-device wireless power transfer scheme that reduces the overall charging time is presented. The proposed scheme employs the intermediated energy storage (IES) circuit which consists of a constant power driving circuit and a…

Other Computer Science · Computer Science 2013-12-30 Changseok Yoon , Sung Sik Nam , Sung Ho Cho

The cognitive radio wireless sensor networks have become an integral part of communicating spectrum information to the fusion center, in a cooperative spectrum sensing environment. A group of battery operated sensors or nodes, sensing…

Information Theory · Computer Science 2017-11-28 Atchutananda Surampudi , Krishnamoorthy Kalimuthu

Harvesting energy from nature (solar, wind etc.) is envisioned as a key enabler for realizing green wireless networks. However, green energy sources are geographically distributed and the power amount is random which may not enough to power…

Information Theory · Computer Science 2018-02-20 Yanju Gu

Wirelessly powered backscatter communication (WPBC) has been identified as a promising technology for low-power communication systems, which can reap the benefits of energy beamforming to improve energy transfer efficiency. Existing studies…

Networking and Internet Architecture · Computer Science 2019-07-30 Wenyuan Ma , Wei Wang , Tao Jiang

The concept of energy-efficient computing is not new but recently the focus of the industries related to technology has been shifted towards energy utilization techniques with minimum energy loss. Computer Networks also needed to be energy…

Networking and Internet Architecture · Computer Science 2021-05-24 Anum Masood

This study investigates wireless information and energy transfer for dual-hop amplify-and-forward full-duplex relaying systems. By forming energy efficiency (EE) maximization problem into a concave fractional program of transmission power,…

Information Theory · Computer Science 2015-11-03 Hongwu Liu , Kyeong Jin Kim , H. Vincent Poor , Kyung Sup Kwak

Energy harvesting is a technology for enabling green, sustainable, and autonomous wireless networks. In this paper, a large-scale wireless network with energy harvesting transmitters is considered, where a group of transmitters forms a…

Information Theory · Computer Science 2015-11-12 Talha Ahmed Khan , Philip Orlik , Kyeong Jin Kim , Robert W. Heath , Kentaro Sawa

As wireless networks evolve toward AI-integrated intelligence, conventional energy-efficiency metrics fail to capture the value of AI tasks. In this paper, we propose a novel EE metric called Token-Responsive Energy Efficiency (TREE), which…

Systems and Control · Electrical Eng. & Systems 2025-09-03 Tao Yu , Kaixuan Huang , Tengsheng Wang , Jihong Li , Shunqing Zhang , Shuangfeng Han , Xiaoyun Wang , Qunsong Zeng , Kaibin Huang , Vincent K. N. Lau

Simultaneous wireless information and power transfer (SWIPT) provides a promising solution for enabling perpetual wireless networks. As energy efficiency (EE) is an im- portant evaluation of system performance, this thesis studies…

Information Theory · Computer Science 2015-04-10 Shiyang Leng

We study sensor networks with energy harvesting nodes. The generated energy at a node can be stored in a buffer. A sensor node periodically senses a random field and generates a packet. These packets are stored in a queue and transmitted…

Networking and Internet Architecture · Computer Science 2008-11-04 Vinod Sharma , Utpal Mukherji , Vinay Joseph

It is important to assess the effect of transmit power allocation schemes on the energy consumption on random cellular networks. The energy efficiency of 5G green cellular networks with average and water-filling power allocation schemes is…

Networking and Internet Architecture · Computer Science 2015-12-11 Xiaohu Ge , Jiaqi Chen , Cheng-xiang Wang , John Thompson , Jing Zhang

The carbon footprint concern in the development and deployment of 5G new radio systems has drawn the attention to several stakeholders. In this article, we analyze the critical power consuming component of all candidate 5G system…

Signal Processing · Electrical Eng. & Systems 2017-11-02 Miao Yao , Munawwar Sohul , Xiaofu Ma , Vuk Marojevic , Jeffrey H. Reed