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Massive multi-input multi-output (MIMO) can support high spectral efficiency (SE) with simple linear transceivers, and is expected to provide high energy efficiency (EE). In this paper, we analyze the EE of downlink multi-cell massive MIMO…

Information Theory · Computer Science 2015-05-28 Wenjia Liu , Shengqian Han , Chenyang Yang

This paper introduces a novel multi-user mobile edge computing (MEC) scheme facilitated by the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) and the unmanned aerial vehicle (UAV). Unlike existing…

Information Theory · Computer Science 2024-09-16 Han Xiao , Xiaoyan Hu , Weile Zhang , Wenjie Wang , Kai-Kit Wong , Kun Yang

This paper centers around a multiple-input-multiple-output (MIMO) visible light communication (VLC) system, where an unmanned aerial vehicle (UAV) benefits from a light emitting diode (LED) array to serve photo-diode (PD)-equipped users for…

This correspondence studies the wireless powered over-the-air computation (AirComp) for achieving sustainable wireless data aggregation (WDA) by integrating AirComp and wireless power transfer (WPT) into a joint design. In particular, we…

Information Theory · Computer Science 2023-05-18 Siyao Zhang , Xinmin Li , Yin Long , Jie Xu , Shuguang Cui

This work considers unmanned aerial vehicle (UAV) networks for collecting data covertly from ground users. The full-duplex UAV intends to gather critical information from a scheduled user (SU) through wireless communication and generate…

Signal Processing · Electrical Eng. & Systems 2019-06-21 Xiaobo Zhou , Shihao Yan , Feng Shu , Riqing Chen , Jun Li

Unmanned Aerial Vehicles (UAVs) have been recently considered as means to provide enhanced coverage or relaying services to mobile users (MUs) in wireless systems with limited or no infrastructure. In this paper, a UAV-based mobile cloud…

Networking and Internet Architecture · Computer Science 2017-05-19 Seongah Jeong , Osvaldo Simeone , Joonhyuk Kang

In this paper, we employ multiple UAVs coordinated by a base station (BS) to help the ground users (GUs) to offload their sensing data. Different UAVs can adapt their trajectories and network formation to expedite data transmissions via…

Systems and Control · Electrical Eng. & Systems 2022-12-29 Shimin Gong , Meng Wang , Bo Gu , Wenjie Zhang , Dinh Thai Hoang , Dusit Niyato

In this paper, we investigate joint resource allocation and trajectory design for multi-user multi-target unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC). To improve sensing accuracy, the UAV is forced to…

Signal Processing · Electrical Eng. & Systems 2023-10-25 Ata Khalili , Atefeh Rezaei , Dongfang Xu , Robert Schober

We investigate the energy efficiency performance of cell-free Massive multiple-input multiple-output (MIMO), where the access points (APs) are connected to a central processing unit (CPU) via limited-capacity links. Thanks to the…

Information Theory · Computer Science 2019-07-09 Manijeh Bashar , Kanapathippillai Cumanan , Alister G. Burr , Hien Quoc Ngo , Erik G. Larsson , Pei Xiao

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…

Information Theory · Computer Science 2024-08-06 Bin Li , Rongrong Yang , Lei Liu , Celimuge Wu

This paper studies a new unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) system, where a UAV-mounted mobile energy transmitter (ET) is dispatched to deliver wireless energy to a set of on-ground energy receivers (ERs).…

Information Theory · Computer Science 2017-09-25 Jie Xu , Yong Zeng , Rui Zhang

Unlike aerial base station enabled by a single unmanned aerial vehicle (UAV), aerial coordinated multiple points (CoMP) can be enabled by a UAV swarm. In this case, the management of multiple UAVs is important. This paper considers the…

Information Theory · Computer Science 2019-08-20 Xuanxuan Wang , Wei Feng , Yunfei Chen , Ning Ge

The unmanned aerial vehicle (UAV) enabled mobile edge computing (MEC) has been deemed a promising paradigm to provide ubiquitous communication and computing services for the Internet of Things (IoT). Besides, by intelligently reflecting the…

Systems and Control · Electrical Eng. & Systems 2022-08-31 Xintong Qin , Zhengyu Song , Tianwei Hou , Wenjuan Yu , Jun Wang , Xin Sun

Cell-free massive multiple-input multiple-output (CF mMIMO) systems serve the user equipments (UEs) by geographically distributed access points (APs) by means of joint transmission and reception. To limit the power consumption due to…

Signal Processing · Electrical Eng. & Systems 2023-04-25 Shuaifei Chen , Jiayi Zhang , Emil Björnson , Özlem Tuğfe Demir , Bo Ai

This paper aims to solve the energy efficiency (EE) maximization problem for multicast services in a multiple-input single-output (MISO) distributed antenna system (DAS). A novel iterative algorithm is proposed, which consists of solving…

Information Theory · Computer Science 2016-03-02 Hong Ren , Nan Liu , Cunhua Pan

This paper studies unmanned aerial vehicle (UAV) aided wireless communication systems where a UAV supports uplink communications of multiple ground nodes (GNs) while flying over the area of the interest. In this system, the propulsion…

Information Theory · Computer Science 2018-01-10 Subin Eom , Hoon Lee , Junhee Park , Inkyu Lee

This paper is concerned with the resource allocation in a multi-unmanned aerial vehicle (UAV)-aided network for providing enhanced mobile broadband (eMBB) services for user equipments. Different from most of the existing network resource…

Networking and Internet Architecture · Computer Science 2021-01-01 Xing Xi , Xianbin Cao , Peng Yang , Jingxuan Chen , Dapeng Wu

Although prior works have exploited the UAV's mobility to enhance the wireless communication performance under different setups, the fundamental capacity limits of UAV-enabled/aided multiuser communication systems have not yet been…

Information Theory · Computer Science 2018-01-09 Qingqing Wu , Jie Xu , Rui Zhang

This paper investigates full-duplex unmanned aerial vehicle (UAV) aided small cell wireless systems, where the UAV serving as the base station (BS) is designed to transmit data to the downlink users and receive data from the uplink users…

Information Theory · Computer Science 2019-12-11 Meng Hua , Luxi Yang , Cunhua Pan , Arumugam Nallanathan

Due to its agile maneuverability, unmanned aerial vehicles (UAVs) have shown great promise for ondemand communications. In practice, UAV-aided aerial base stations are not separate. Instead, they rely on existing satellites/terrestrial…

Information Theory · Computer Science 2021-03-10 Xiangling Li , Wei Feng , Yunfei Chen , Cheng-Xiang Wang , Ning Ge