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相关论文: Millimeter-Wave Full-Duplex UAV Relay: Joint Posit…

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Recently, movable antennas (MAs) have garnered immense attention due to their capability to favorably alter channel conditions through agile movement. In this letter, we delve into a spectrum sharing system enabled by unmanned aerial…

数值分析 · 数学 2026-01-06 Xiao-Wei Tang , Yunmei Shi , Yi Huang , Qingqing Wu

Unmanned aerial vehicles (UAVs) have brought a lot of flexibility in the network deployment. However, UAVs suffer from the high mobility and instability. To improve the capacity and reliability of the UAV networks, millimeter-wave (mmWave)…

信息论 · 计算机科学 2021-08-09 Lisi Jiang , Hamid Jafarkhani

Integrated Sensing and Communication (ISAC) has attracted substantial attraction in recent years for spectral efficiency improvement, enabling hardware and spectrum sharing for simultaneous sensing and signaling operations. In-band Full…

信息论 · 计算机科学 2022-01-17 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

In this paper, we studied the joint sparse beamforming and power control for network-assisted full duplex (NAFD) in large-scale distributed antenna system (L-DAS), where the remote antenna units either be operating in half-duplex mode or…

信息论 · 计算机科学 2019-11-14 Xinjiang Xia , Pengcheng Zhu , Jiamin Li , Dongming Wang , Yuanxue Xin , Xiaohu You

This paper studies the UAV-enabled integrated sensing and communication (ISAC), in which UAVs are dispatched as aerial dual-functional access points (APs) for efficient ISAC. In particular, we consider a scenario with one UAV-AP equipped…

信息论 · 计算机科学 2021-10-07 Zhonghao Lyu , Guangxu Zhu , Jie Xu

Full duplex (FD) systems suffer from very high hardware cost and high power consumption to mitigate the self-interference (SI) in the analog domain. Moreover, in millimeter wave (mmWave) they rely on hybrid beamforming (HYBF) as a signal…

信息论 · 计算机科学 2023-06-16 Chandan Kumar Sheemar , Stefano Tomasin , Dirk Slock , Symeon Chatzinotas

Unmanned aerial vehicles (UAVs), as aerial base stations, are a promising solution for providing wireless communications, thanks to their high flexibility and autonomy. Moreover, emerging services, such as extended reality, require…

信息论 · 计算机科学 2021-04-28 Javad Sabzehali , Vijay K. Shah , Harpreet S. Dhillon , Jeffrey H. Reed

Full Duplex (FD) communication can revolutionize wireless communications as it avoids using independent channels for bi-directional communications. This work generalizes the point-to-point FD communication in millimeter wave (mmWave) band…

信息论 · 计算机科学 2022-01-06 Chandan Kumar Sheemar , Dirk Slock

This paper proposes a novel approach to improve the performance of a heterogeneous network (HetNet) supported by dual connectivity (DC) by adopting multiple unmanned aerial vehicles (UAVs) as passive relays that carry reconfigurable…

This study investigates subarray-level movable antenna (MA) architecture for multi-user MIMO (MU-MIMO) systems. Unlike conventional systems with fixed-position antennas (FPAs), the proposed scheme harnesses the additional positional degrees…

信号处理 · 电气工程与系统科学 2026-04-22 Shanshan Zhang , Songjie Yang , Wenxuan Zhang , Youzhi Xiong , Siya Yao

To deal with the explosive growth of mobile traffic, millimeter-wave (mmWave) communications with abundant bandwidth resources have been applied to vehicular networks. As mmWave signal is sensitive to blockage, we introduce the unmanned…

信息论 · 计算机科学 2023-03-07 Jing Li , Yong Niu , Hao Wu , Bo Ai , Ruisi He , Ning Wang , Sheng Chen

In this paper, an unmanned aerial vehicles (UAV)-based heterogeneous network is studied to solve the problem of transferring massive traffic of distributed small cells to the core network. First, a detailed three-dimensional (3D) model of…

信号处理 · 电气工程与系统科学 2022-08-12 Mohammad Taghi Dabiri , Mazen Hasna , Walid Saad

Envisioned for fifth generation (5G) systems, millimeter-wave (mmWave) communications are under very active research worldwide. Although pencil beams with accurate beamtracking may boost the throughput of mmWave systems, this poses great…

网络与互联网体系结构 · 计算机科学 2019-08-29 Rafail Ismayilov , Megumi Kaneko , Takefumi Hiraguri , Kentaro Nishimori

This paper considers a full-duplex (FD) multiuser multiple-input single-output system where a base station simultaneously serves both uplink (UL) and downlink (DL) users on the same time-frequency resource. The crucial barriers in…

信号处理 · 电气工程与系统科学 2019-03-18 Hieu V. Nguyen , Van-Dinh Nguyen , Octavia A. Dobre , Yongpeng Wu , Oh-Soon Shin

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…

信息论 · 计算机科学 2019-12-11 Meng Hua , Luxi Yang , Cunhua Pan , Arumugam Nallanathan

This work considers a multi-user massive multiple-input multiple-output (MU-mMIMO) Internet-of-Things (IoT) system, where multiple unmanned aerial vehicles (UAVs) operating as decode-and-forward (DF) relays connect the base station (BS) to…

信息论 · 计算机科学 2024-04-05 Mobeen Mahmood , Yicheng Yuan , Tho Le-Ngoc

Unmanned aerial vehicle (UAV) communication has emerged as a prominent technology for emergency communications (e.g., natural disaster) in the Internet of Things (IoT) networks to enhance the ability of disaster prediction, damage…

信号处理 · 电气工程与系统科学 2021-08-17 Dinh-Hieu Tran , Van-Dinh Nguyen , Sumit Gautam , Symeon Chatzinotas , Thang X. Vu , Bjorn Ottersten

To provide a reliable wireless uplink for users in a given ground area, one can deploy Unmanned Aerial Vehicles (UAVs) as base stations (BSs). In another application, one can use UAVs to collect data from sensors on the ground. For a…

信息论 · 计算机科学 2019-11-19 Jun Guo , Philipp Walk , Hamid Jafarkhani

In-band full-duplex transmission allows a relay station to theoretically double its spectral efficiency by simultaneously receiving and transmitting in the same frequency band, when compared to the traditional half-duplex or out-of-band…

信息论 · 计算机科学 2019-03-07 João S. Lemos , Francisco A. Monteiro , Ivo Sousa , António Rodrigues

Security is a critical issue in full duplex (FD) communication systems due to the broadcast nature of wireless channels. In this paper, joint design of information and artificial noise beamforming vectors is proposed for the FD simultaneous…

网络与互联网体系结构 · 计算机科学 2018-01-09 Yanjie Dong , Ahmed El Shafie , Md. Jahangir Hossain , Julian Cheng , Naofal Al-Dhahir , Victor C. M. Leung