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相关论文: Energy Efficiency Optimization for NOMA UAV Networ…

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In this paper, we consider deploying multiple Unmanned Aerial Vehicles (UAVs) to enhance the computation service of Mobile Edge Computing (MEC) through collaborative computation among UAVs. In particular, the tasks of different types and…

信息论 · 计算机科学 2024-08-06 Bin Li , Rongrong Yang , Lei Liu , Celimuge Wu

In this work, we address the problem of finding globally optimal power allocation strategies to maximize the users sum-rate (SR) as well as system energy efficiency (EE) in the downlink of single-cell multicarrier non-orthogonal multiple…

信息论 · 计算机科学 2022-01-19 Sepehr Rezvani , Eduard A. Jorswieck , Roghayeh Joda , Halim Yanikomeroglu

Unmanned aerial vehicles (UAVs) have been attracting significant attention because there is a high probability of line-of-sight links being obtained between them and terrestrial nodes in high-rise urban areas. In this work, we investigate…

信息论 · 计算机科学 2024-06-04 Hongjiang Lei , Xiaqiu Wu , Ki-Hong Park , Gaofeng Pan

In the future wireless networks, terrestrial, aerial, space, and maritime wireless networks are integrated into a unified network to meet the needs of a fully connected global network. Nowadays, vehicular communication has become one of the…

网络与互联网体系结构 · 计算机科学 2025-05-01 Hossein Davoudi , Behrouz Shahgholi Ghahfarokhi , Neda Moghim , Sachin Shetty

We consider the problem of simultaneous user-scheduling, power-allocation, and rate-selection in an OFDMA downlink, with the goal of maximizing expected sum-utility under a sum-power constraint. In doing so, we consider a family of generic…

信息论 · 计算机科学 2015-05-20 Rohit Aggarwal , Mohamad Assaad , C. Emre Koksal , Philip Schniter

Power consumption is a major limitation in the downlink of multibeam satellite systems, since it has a significant impact on the mass and lifetime of the satellite. In this context, we study a new energy-aware power allocation problem that…

网络与互联网体系结构 · 计算机科学 2020-02-11 Christos N. Efrem , Athanasios D. Panagopoulos

In this paper, we aim to design an adaptive power allocation scheme to minimize the average transmit power of a hybrid automatic repeat request with chase combining (HARQ-CC) enabled non-orthogonal multiple access (NOMA) system under strict…

信息论 · 计算机科学 2019-11-05 Yanqing Xu , Donghong Cai , Fang Fang , Zhiguo Ding , Chao Shen , Gang Zhu

This paper investigates the problem of resource allocation for joint communication and radar sensing system on rate-splitting multiple access (RSMA) based unmanned aerial vehicle (UAV) system. UAV simultaneously communicates with multiple…

信息论 · 计算机科学 2021-07-13 Yuwei Li , Wanli Ni , Hui Tian , Meihui Hua , Shaoshuai Fan

We consider device-to-device (D2D) wireless information and power transfer systems using an unmanned aerial vehicle (UAV) as a relay-assisted node. As the energy capacity and flight time of UAVs is limited, a significant issue in deploying…

信息论 · 计算机科学 2018-09-07 Minh-Nghia Nguyen , Long D. Nguyen , Trung Q. Duong , Hoang Duong Tuan

In unmanned aerial vehicle (UAV) applications, the UAV's limited energy supply and storage have triggered the development of intelligent energy-conserving scheduling solutions. In this paper, we investigate energy minimization for UAV-aided…

信号处理 · 电气工程与系统科学 2020-06-30 Yaxiong Yuan , Lei Lei , Thang Xuan Vu , Symeon Chatzinotas , Sumei Sun , Bjorn Ottersten

This paper investigates a cognitive unmanned aerial vehicle (UAV) enabled Internet of Things (IoT) network, where secondary/cognitive IoT devices upload their data to the UAV hub following a non-orthogonal multiple access (NOMA) protocol in…

信息论 · 计算机科学 2021-11-01 Na Tang

In this letter, we investigate a UAV-enabled communication system, where a UAV is deployed to communicate with the ground node (GN) in the presence of multiple jammers. We aim to maximize the energy efficiency (EE) of the UAV by optimizing…

信息论 · 计算机科学 2020-09-15 Yang Wu , Weiwei Yang , Xinrong Guan , Qingqing Wu

In this paper we consider the issue of energy efficiency in random access networks and show that optimizing transmission probabilities of nodes can enhance network performance in terms of energy consumption and fairness. First, we propose a…

信息论 · 计算机科学 2010-11-24 Amir Mahdi Khodaian , Babak H. Khalaj , Mohammad S. Talebi

This paper studies energy efficient resource allocation for a machine-to-machine (M2M) enabled cellular network with non-linear energy harvesting, especially focusing on two different multiple access strategies, namely non-orthogonal…

信息论 · 计算机科学 2017-11-30 Zhaohui Yang , Wei Xu , Yijin Pan , Cunhua Pan , Ming Chen

This paper proposes a generalised propulsion energy consumption model (PECM) for rotary-wing ummanned aerial vehicles (UAVs) under the consideration of the practical thrust-to-weight ratio (TWR) with respect to the velocity, acceleration…

信息论 · 计算机科学 2022-02-18 Xinhong Dai , Bin Duo , Xiaojun Yuan , Wanbin Tang

A novel framework is proposed for cellular offloading with the aid of multiple unmanned aerial vehicles (UAVs), while the non-orthogonal multiple access (NOMA) technique is employed at each UAV to further improve the spectrum efficiency of…

机器学习 · 计算机科学 2020-10-20 Ruikang Zhong , Xiao Liu , Yuanwei Liu , Yue Chen

Integrating unmanned aerial vehicles (UAV) to non-orthogonal multiple access (NOMA) visible light communications (VLC) exposes many potentials over VLC and NOMA-VLC systems. In this circumstance, user grouping is of importance to reduce the…

网络与互联网体系结构 · 计算机科学 2020-07-31 Quoc-Viet Pham , Nhu-Ngoc Dao , Thien Huynh-The , Jun Zhao , Won-Joo Hwang

For crowded and hotspot area, unmanned aerial vehicles (UAVs) are usually deployed to increase the coverage rate. In the considered model, there are three types of services for UAV assisted communication: control message, non-realtime…

信号处理 · 电气工程与系统科学 2020-02-11 Weihang Ding , Zhaohui Yang , Mingzhe Chen , Jiancao Hou , Mohammad Shikh-Bahaei

This paper investigates the optimal resource allocation of a downlink non-orthogonal multiple access (NOMA) system consisting of one base station and multiple users. Unlike existing short-term NOMA designs that focused on the resource…

信息论 · 计算机科学 2017-05-25 Wei Bao , He Chen , Yonghui Li , Branka Vucetic

In this paper, we propose a novel joint intelligent trajectory design and resource allocation algorithm based on user's mobility and their requested services for unmanned aerial vehicles (UAVs) assisted networks, where UAVs act as nodes of…

网络与互联网体系结构 · 计算机科学 2021-05-24 Mohsen Pourghasemian , Mohammad Reza Abedi , Shima Salarhosseini , Nader Mokari , Mohammad Reza Javan , Eduard A. Jorswieck