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This paper studies a wireless powered mobile edge computing (MEC) system with fluctuating channels and dynamic task arrivals over time. We jointly optimize the transmission energy allocation at the energy transmitter (ET) for WPT and the…

Information Theory · Computer Science 2020-01-14 Feng Wang , Jie Xu , Shuguang Cui

A novel transmissive reconfigurable intelligent surface (TRIS) transceiver-empowered simultaneous wireless information and power transfer (SWIPT) framework is proposed. The sum-rate of the information decoding (ID) users is maximized by…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Yuan Guo , Wen Chen , Xudong Bai , Chong He , Qiong Wu

In this paper, we investigate the energy efficiency (EE) problem under reconfigurable intelligent surface (RIS)-aided secure cell-free networks, where multiple legitimate users and eavesdroppers (Eves) exist. We formulate a max-min secure…

Information Theory · Computer Science 2022-11-11 Wanming Hao , Junjie Li , Gangcan Sun , Chongwen Huang , Ming Zeng , Octavia A. Dobre , Chau Yuen

In this paper, we propose a state-of-the-art downlink communication transceiver design for transmissive reconfigurable metasurface (RMS)-enabled simultaneous wireless information and power transfer (SWIPT) networks. Specifically, a feed…

Signal Processing · Electrical Eng. & Systems 2022-12-13 Zhendong Li , Wen Chen , Ziheng Zhang , Qingqing Wu , Huanqing Cao , Jun Li

This paper considers distributed linear beamforming in downlink multicell multiuser orthogonal frequency-division multiple access networks. A fast convergent solution maximizing the weighted sum- rate with per base station (BS) transmiting…

Information Theory · Computer Science 2017-08-16 Mirza Golam Kibria , Hidekazu Murata , Jun Zheng

Traffic and channel-data rate combined with the stream oriented methodology can provide a scheme for offering optimized and guaranteed QoS. In this work a stream oriented modeled scheme is proposed based on each node's self-scheduling…

Networking and Internet Architecture · Computer Science 2010-09-10 Constandinos X. Mavromoustakis

With the rapid upsurge of deep learning tasks at the network edge, effective edge artificial intelligence (AI) inference becomes critical to provide low-latency intelligent services for mobile users via leveraging the edge computing…

Information Theory · Computer Science 2024-10-30 Xiangyu Yang , Sheng Hua , Yuanming Shi , Hao Wang , Jun Zhang , Khaled B. Letaief

Compressive Sensing (CS) method is a burgeoning technique being applied to diverse areas including wireless sensor networks (WSNs). In WSNs, it has been studied in the context of data gathering and aggregation, particularly aimed at…

Distributed, Parallel, and Cluster Computing · Computer Science 2012-10-16 Xi Xu , Rashid Ansari , Ashfaq Khokhar

We address the problem of interference management and power control in terms of maximization of a general utility function. For the utility functions under consideration, we propose a power control algorithm based on a fixed-point…

Information Theory · Computer Science 2012-11-13 Ehsan Karamad , Raviraj Adve , Jerry Chow

This work studies the problem of secrecy energy efficiency maximization in multi-user wireless networks aided by reconfigurable intelligent surfaces, in which an eavesdropper overhears the uplink communication. A provably convergent…

Signal Processing · Electrical Eng. & Systems 2024-08-20 Robert Kuku Fotock , Agbotiname Lucky Imoize , Alessio Zappone , Marco Di Renzo , Roberto Garello

We investigate the integration of stacked intelligent metasurfaces (SIMs) into cell-free massive multiple input multiple output (CF-mMIMO) system to enhance the simultaneous wireless information and power transfer (SWIPT) performance.…

Signal Processing · Electrical Eng. & Systems 2025-03-19 Thien Duc Hua , Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou

In energy-constrained wireless sensor networks (WSNs), maximizing the data collection using mobile sink(s) with minimum energy consumption is one of the practical challenging issues. In this article, we consider the problem of efficient…

Networking and Internet Architecture · Computer Science 2019-02-25 Naween Kumar , Dinesh Dash

In this paper, we study resource allocation algorithm design for power efficient secure communication with simultaneous wireless information and power transfer (WIPT) in multiuser communication systems. In particular, we focus on power…

Information Theory · Computer Science 2014-02-25 Shiyang Leng , Derrick Wing Kwan Ng , Robert Schober

We consider the problem of maximizing weighted sum rate in a multiple-input single-output (MISO) downlink wireless network with emphasis on user rate reliability. We introduce a novel risk-aggregated formulation of the complex WSR…

Signal Processing · Electrical Eng. & Systems 2025-10-01 Hassaan Hashmi , Spyridon Pougkakiotis , Dionysis Kalogerias

The joint design of beamforming vector and artificial noise covariance matrix is investigated for the multiple-input-single-output-multiple-eavesdropper simultaneous wireless information and power transferring \mbox{(MISOME-SWIPT)} systems.…

Information Theory · Computer Science 2018-09-12 Yanjie Dong , Md. Jahangir Hossain , Julian Cheng , Victor C. M. Leung

In modern wireless networks, devices are able to set the power for each transmission carried out. Experimental but also theoretical results indicate that such power control can improve the network capacity significantly. We study this…

Networking and Internet Architecture · Computer Science 2010-08-27 Thomas Kesselheim

There is an increasing demand for intelligent processing on ultra-low-power internet of things (IoT) device. Recent works have shown substantial efficiency boosts by executing inferences directly on the IoT device (node) rather than…

Hardware Architecture · Computer Science 2024-08-28 Cyan Subhra Mishra , Jack Sampson , Mahmut Taylan Kandmeir , Vijaykrishnan Narayanan , Chita R Das

We consider a multi-pair amplify-and-forward relay network where the energy-constrained relays adopting time-switching protocol harvest energy from the radio frequency signals transmitted by the users for assisting user data transmission.…

Information Theory · Computer Science 2018-10-16 Kien-Giang Nguyen , Quang-Doanh Vu , Le-Nam Tran , Markku Juntti

Recently, utilizing renewable energy for wireless system has attracted extensive attention. However, due to the instable energy supply and the limited battery capacity, renewable energy cannot guarantee to provide the perpetual operation…

Networking and Internet Architecture · Computer Science 2016-11-17 Weiqiang Xu , Yushu Zhang , Qingjiang Shi , Xiaodong Wang

As a key technology for future wireless networks, massive multiple-input multiple-output (MIMO) can significantly improve the energy efficiency (EE) and spectral efficiency (SE), and the performance is highly dependant on the degree of the…

Signal Processing · Electrical Eng. & Systems 2020-05-11 Li You , Jiayuan Xiong , Alessio Zappone , Wenjin Wang , Xiqi Gao