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Seafloor observation network can perform all-weather, long-term, continuous, real-time, and in-situ observation of the ocean by combing various observation methods including cabled seafloor nodes, self-contained nodes, as well as mobile…

网络与互联网体系结构 · 计算机科学 2024-05-16 Jialiang Zhang , Sujing Wang , Ziqi Ma , Guanjun Gao , Yonggang Guo , Fei Zhang , Shanguo Huang , Jie Zhang

In this paper, we investigate a new waveform for UWB systems obtained by the combination of Orthogonal Frequency Division Multiplex (OFDM) and Code Division Multiple Access (CDMA). The proposed system, called Spread Spectrum - Multi-Carrier…

计算物理 · 物理学 2007-05-23 Emeric Guéguen , Matthieu Crussière , Jean-François Hélard

This paper investigates a full-duplex orthogonal-frequency-division multiple access (OFDMA) based multiple unmanned aerial vehicles (UAVs)-enabled wireless-powered Internet-of-Things (IoT) networks. In this paper, a swarm of UAVs is first…

信息论 · 计算机科学 2020-08-10 Han-Ting Ye , Xin Kang , Jingon Joung , Ying-Chang Liang

Coordinated controlling a large UAV swarm requires significant spectrum resources due to the need for bandwidth allocation per UAV, posing a challenge in resource-limited environments. Over-the-air (OTA) control has emerged as a…

信号处理 · 电气工程与系统科学 2025-02-12 Zhuangkun Wei , Wenxiu Hu , Yathreb Bouazizi , Mengbang Zou , Chenguang Liu , Yunfei Chen , Hongjian Sun , Julie McCann

This paper studies how to achieve a high and flexible coverage performance of a large-scale cellular network that enables unmanned aerial vehicles (UAVs) for non-orthogonal multiple access (NOMA) transmission to simultaneously serve…

网络与互联网体系结构 · 计算机科学 2022-01-21 Chun-Hung Liu , Md Asif Syed , Lu Wei

With the development of Internet-of-Things (IoT), we witness the explosive growth in the number of devices with sensing, computing, and communication capabilities, along with a large amount of raw data generated at the network edge. Mobile…

信息论 · 计算机科学 2021-11-23 Zezu Liang , Hanbiao Chen , Yuan Liu , Fangjiong Chen

Orbital angular momentum (OAM) based radio vortex wireless communications have received much attention recently because it can significantly increase the spectrum efficiency. The uniform circular array (UCA) is a simple antenna structure…

信号处理 · 电气工程与系统科学 2018-09-14 Shanghua Gao , Wenchi Cheng , Wei Zhang , Hailin Zhang

In the current unmanned aircraft systems (UASs) for sensing services, unmanned aerial vehicles (UAVs) transmit their sensory data to terrestrial mobile devices over the unlicensed spectrum. However, the interference from surrounding…

信号处理 · 电气工程与系统科学 2020-03-13 F. Wu , H. Zhang , J. Wu , L. Song

In this paper, the design of a multiple-input multiple-output (MIMO) optical wireless communication (OWC) link based on vertical cavity surface emitting laser (VCSEL) arrays is systematically carried out with the aim to support data rates…

Modeling of multiple-scattering channels in atmospheric turbulence is essential for the performance analysis of long-distance non-line-of-sight (NLOS) ultraviolet (UV) communications. Existing works on the turbulent channel modeling for…

系统与控制 · 电气工程与系统科学 2025-12-25 Renzhi Yuan , Xinyi Chu , Tao Shan , Chuang Yang , Mugen Peng

Optical wireless communication (OWC) is a promising technology for future wireless communications owing to its potentials for cost-effective network deployment and high data rate. There are several implementation issues in the OWC which…

信息论 · 计算机科学 2023-12-05 Hoon Lee , Sang Hyun Lee , Tony Q. S. Quek , Inkyu Lee

This paper addresses the growing demand for high-bandwidth wireless data transmission by exploring Visible Light Communication (VLC) as an alternative to Radio Frequency (RF) communication. In indoor scenarios, VLC systems utilize existing…

信号处理 · 电气工程与系统科学 2025-04-18 Serkan Vela , Gokce Hacioglu

Simultaneous lightwave information and power transfer (SLIPT) is a potential way to meet the demands of sustainable power supply and high-rate data transfer in next-generation networks. Although resonant beam-based SLIPT (RB-SLIPT) can…

光学 · 物理学 2022-07-28 Mingqing Liu , Shuaifan Xia , Mingliang Xiong , Mengyuan Xu , Qingwen Liu , Hao Deng

Ultra-dense networks (UDNs) represent a transformative access architecture for upcoming sixth generation (6G) systems, poised to meet the surging demand for high data rates. Achieving precise synchronization across diverse base stations…

多智能体系统 · 计算机科学 2025-04-08 Debjani Goswami , Indrakshi Dey , Nicola Marchetti , Suvra Sekhar Das

The sensitivity of the optical wireless communication (OWC) can be effectively improved by employing the highly sensitive single-photon avalanche diode (SPAD) arrays. However, the nonlinear distortion introduced by the dead time strongly…

This paper studies a downlink system that combines orthogonal-time-frequency-space (OTFS) modulation and sparse code multiple access (SCMA) to support massive connectivity in high-mobility environments. We propose a cross-domain receiver…

信息论 · 计算机科学 2023-01-04 Haifeng Wen , Weijie Yuan , Zilong Liu , Shuangyang Li

Unmanned aerial vehicles (UAVs) can be utilized as aerial base stations to provide communication service for remote mobile users due to their high mobility and flexible deployment. However, the line-of-sight (LoS) wireless links are…

信息论 · 计算机科学 2020-03-17 Xiongwei Wu , Qiang Li , Yawei Lu , H. Vincent Poor , Victor C. M. Leung , P. C. Ching

We propose a double-station access protocol (DS-CSMA) with multiple backoff mechanism for optical wireless scattering communication networks (OWSCN). %, where two stations can transmit data to single destination simultaneously.can avoid the…

网络与互联网体系结构 · 计算机科学 2020-04-14 Guanchu Wang , Chen Gong , Zhimeng Jiang , Zhengyuan Xu

Propagation in non-line-of-sight (NLOS) conditions is one of the major impairments in ultrawideband (UWB) wireless localization systems based on time-of-arrival (TOA) measurements. In this paper the problem of the joint statistical…

信息论 · 计算机科学 2012-03-14 Francesco Montorsi , Fabrizio Pancaldi , Giorgio M. Vitetta

Optical wireless communication (OWC) meets the demands of the future six-generation mobile network (6G) as it operates at several hundreds of Terahertz and has the potential to enable data rate in the order of Tbps. However, most beam…

信号处理 · 电气工程与系统科学 2021-10-12 Mingliang Xiong , Qingwen Liu , Xin Wang , Shengli Zhou , Bin Zhou , Zhiyong Bu