English
Related papers

Related papers: Presenting the Multi-Objective Optimization Model …

200 papers

Hyperspectral images are crucial for many research works. Spectral super-resolution (SSR) is a method used to obtain high spatial resolution (HR) hyperspectral images from HR multispectral images. Traditional SSR methods include…

Image and Video Processing · Electrical Eng. & Systems 2020-12-09 Jiang He , Jie Li , Qiangqiang Yuan , Huanfeng Shen , Liangpei Zhang

This paper considers downlink multicast transmit beamforming for secure layered transmission systems with wireless simultaneous information and power transfer. We study the power allocation algorithm design for minimizing the total transmit…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Robert Schober , Hussein Alnuweiri

This paper focuses on estimating probability distributions over the set of 3D rotations ($SO(3)$) using deep neural networks. Learning to regress models to the set of rotations is inherently difficult due to differences in topology between…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 D. Mohlin , G. Bianchi , J. Sullivan

We consider a cooperative wireless network in the presence of one of more eavesdroppers, and exploit node cooperation for achieving physical (PHY) layer based security. Two different cooperation schemes are considered. In the first scheme,…

Information Theory · Computer Science 2015-05-14 Jiangyuan Li , Athina P. Petropulu , Steven Weber

Image super-resolution (SR) methods essentially lead to a loss of some high-frequency (HF) information when predicting high-resolution (HR) images from low-resolution (LR) images without using external references. To address this issue, we…

Computer Vision and Pattern Recognition · Computer Science 2018-06-19 Sifeng Xia , Wenhan Yang , Jiaying Liu , Zongming Guo

Benefiting from a relatively larger aperture's angle, and in combination with a wide transmitting bandwidth, near-field synthetic aperture radar (SAR) provides a high-resolution image of a target's scattering distribution-hot spots.…

Image and Video Processing · Electrical Eng. & Systems 2022-11-29 Xu Zhan , Xiaoling Zhang , Wensi Zhang , Jun Shi , Shunjun Wei , Tianjiao Zeng

For acquisition of narrow-beam free-space optical (FSO) terminals, a Global Positioning System (GPS) is typically required for coarse localization of the terminal. However, the GPS signal may be shadowed, or may not be present at all,…

Signal Processing · Electrical Eng. & Systems 2023-04-07 Heyou Liu , Muhammad Salman Bashir , Mohamed-Slim Alouini

This work considers the orthogonal frequency division multiple access (OFDMA) technology that enables multiple unmanned aerial vehicles (multi-UAV) communication systems to provide on-demand services. The main aim of this work is to derive…

Signal Processing · Electrical Eng. & Systems 2023-04-26 Asad Mahmood , Thang X. Vu , Shree Krishna Sharma , Symeon Chatzinotas , Björn Ottersten

This paper investigates the general problem of resource allocation for mitigating channel fading effects in Free Space Optical (FSO) communications. The resource allocation problem is modeled as the constrained stochastic optimization…

Signal Processing · Electrical Eng. & Systems 2021-04-20 Zhan Gao , Mark Eisen , Alejandro Ribeiro

Aerial scans with unmanned aerial vehicles (UAVs) are becoming more widely adopted across industries, from smart farming to urban mapping. An application area that can leverage the strength of such systems is search and rescue (SAR)…

Robotics · Computer Science 2023-04-12 Phuoc Nguyen Thuan , Jorge Peña Queralta , Tomi Westerlund

In this paper, a cooperative communication network based on energy-harvesting (EH) decode-and-forward (DF) relays is proposed. For relay nodes, there is harvest-storage-use (HSU) structure in this system. And energy can be obtained from the…

Computers and Society · Computer Science 2023-11-17 Hanyu Liu , Lei Teng , Wannian An , Xiaoqi Qin , Chen Dong , Xiaodong Xu

Semi-grant-free non-orthogonal multiple access (semi-GF NOMA) has emerged as a promising technology for the fifth-generation new radio (5G-NR) networks supporting the coexistence of a large number of random connections with various quality…

Signal Processing · Electrical Eng. & Systems 2023-07-19 Duc-Dung Tran , Vu Nguyen Ha , Symeon Chatzinotas , Ti Ti Nguyen

This paper first considers a multicell network deployment where the base station (BS) of each cell communicates with its cell-edge user with the assistance of an amplify-and-forward (AF) relay node. Equipped with a power splitter and a…

Information Theory · Computer Science 2016-11-17 Ali A. Nasir , Duy T. Ngo , Xiangyun Zhou , Rodney A. Kennedy , Salman Durrani

Drone base stations can assist cellular networks in a variety of scenarios. To serve the maximum number of users in an area without apriori user distribution information, we proposed a two-stage algorithm to find the optimal deployment of…

Systems and Control · Computer Science 2018-09-20 Xiaohui Li , Li Xing

In this paper, we investigate power efficient resource allocation algorithm design for multiuser wireless communication systems employing a full-duplex (FD) radio base station for serving multiple half-duplex (HD) downlink and uplink users…

Information Theory · Computer Science 2016-11-17 Yan Sun , Derrick Wing Kwan Ng , Robert Schober

Opportunistic networks could become the solution to provide communication support in both cities where the cellular network could be overloaded, and in scenarios where a fixed infrastructure is not available, like in remote and developing…

Networking and Internet Architecture · Computer Science 2017-05-25 Camilo Souza , Edjair Mota , Leandro Galvao , Diogo Soares , Pietro Manzoni , Juan Carlos Cano , Carlos Calafate

High penetration of renewable resources results in a power system with lower inertia and higher frequency sensitivity to power imbalances. Such systems are becoming increasingly susceptible to frequency collapse during extreme disturbances.…

Systems and Control · Electrical Eng. & Systems 2024-01-11 Waheed Owonikoko , Mazen Elsaadany , Amritanshu Pandey , Mads R. Almassalkhi

The deployment of mobile LoRa gateways using low-cost single-channel hardware presents a significant challenge in maintaining reliable communication due to the lack of dynamic configuration support. In traditional LoRaWAN networks, Adaptive…

Networking and Internet Architecture · Computer Science 2025-07-29 W. A. Sasindu Wijesuriya

We consider an optimization deployment problem of multistatic radar system (MSRS). Through the antenna placing and the transmitted power allocating, we optimally deploy the MSRS for two goals: 1) the first one is to improve the coverage…

Information Theory · Computer Science 2016-05-25 Yichuan Yang , Tianxian Zhang , Wei Yi , Lingjiang Kong , Xiaolong Li , Bing Wang , Xiaobo Yang

Face video super-resolution algorithm aims to reconstruct realistic face details through continuous input video sequences. However, existing video processing algorithms usually contain redundant parameters to guarantee different…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Feng Yu , He Li , Sige Bian , Yongming Tang
‹ Prev 1 4 5 6 7 8 10 Next ›