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相关论文: On CSI-Free Multi-Antenna Schemes for Massive Wire…

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Intelligent reflecting surface (IRS) is a new and promising paradigm to substantially improve the spectral and energy efficiency of wireless networks, by constructing favorable communication channels via tuning massive low-cost passive…

信息论 · 计算机科学 2021-05-18 Jiangbin Lyu , Rui Zhang

We analyze a binary hypothesis testing problem built on a wireless sensor network (WSN) for detecting a stationary random process distributed both in space and time with circularly-symmetric complex Gaussian distribution under the…

其他统计学 · 统计学 2014-10-20 Juan Augusto Maya , Leonardo Rey Vega , Cecilia G. Galarza

Wireless devices need spectrum to communicate. With the increase in the number of devices competing for the same spectrum, it has become nearly impossible to support the throughput requirements of all the devices through current spectrum…

网络与互联网体系结构 · 计算机科学 2021-11-23 Aniq Ur Rahman , Mustafa A. Kishk , Mohamed-Slim Alouini

Cell-free networks are regarded as a promising technology to meet higher rate requirements for beyond fifth-generation (5G) communications. Most works on cell-free networks focus on either fully centralized beamforming to maximally enhance…

信号处理 · 电气工程与系统科学 2023-01-27 Pengfei Ni , Ming Li , Rang Liu , Qian Liu

In this paper, we consider cell-free communication systems with several access points (APs) serving terrestrial users (UEs) simultaneously. To enhance the uplink multi-user multiple-input multiple-output communications, we adopt a…

信息论 · 计算机科学 2024-12-05 Xuesong Pan , Zhong Zheng , Xueqing Huang , Zesong Fei

This paper studies the resource allocation algorithm design for secure information and renewable green energy transfer to mobile receivers in distributed antenna communication systems. In particular, distributed remote radio heads…

信息论 · 计算机科学 2015-05-12 Derrick Wing Kwan Ng , Robert Schober

The recent advance in radio-frequency (RF) wireless energy transfer (WET) has motivated the study of wireless powered communication network (WPCN), in which distributed wireless devices are powered via dedicated WET by the hybrid…

信息论 · 计算机科学 2015-12-02 Seunghyun Lee , Rui Zhang

Low-power sensors can be integrated into an aircraft for numerous use cases. Conventionally, these sensors are powered via cables, which introduces various disadvantages to the overall efficiency of the aircraft. Alternatively, batteries…

Wi-Fi sensing is an emerging technology that uses channel state information (CSI) from ambient Wi-Fi signals to monitor human activity without the need for dedicated sensors. Wi-Fi sensing does not only represent a pivotal technology in…

网络与互联网体系结构 · 计算机科学 2025-05-07 Paolo Cerutti , Fabio Palmese , Marco Cominelli , Alessandro E. C. Redondi

Interference-aware resource allocation of time slots and frequency channels in single-antenna, halfduplex radio wireless sensor networks (WSN) is challenging. Devising distributed algorithms for such task further complicates the problem.…

信息论 · 计算机科学 2017-03-21 Panos N. Alevizos , Efthymios A. Vlachos , Aggelos Bletsas

Coverage is one of the fundamental issues in wireless sensor networks (WSNs). It reflects the ability of WSNs to detect the fields of interest. In a real sensor networks application, the detection area is always non-ideal and the terrain of…

网络与互联网体系结构 · 计算机科学 2013-12-25 Lin Feng , Tie Qiu , Zhenlong Sun , Feng Xia , Yu Zhou

We study a heterogeneous wireless sensor network (WSN) where N heterogeneous access points (APs) gather data from densely deployed sensors and transmit their sensed information to M heterogeneous fusion centers (FCs) via multi-hop wireless…

信息论 · 计算机科学 2021-09-09 Saeed Karimi-Bidhendi , Jun Guo , Hamid Jafarkhani

In this letter, we characterize the performance of broadcast approach with continuum of transmission layers in random wireless networks where the channel state information (CSI) is assumed to be known only at the receiver. By modeling the…

信息论 · 计算机科学 2019-04-09 Praful D. Mankar , Harpreet S. Dhillon

We study a multi-source wireless power transfer (WPT) enabled network supporting multi-sensor transmissions. Activated by energy harvesting (EH) from multiple WPT sources, sensors transmit short packets to a destination with finite…

信号处理 · 电气工程与系统科学 2023-02-27 Ning Guo , Xiaopeng Yuan , Yulin Hu , Anke Schmeink

Wireless Sensor Networks (WSNs) are extensively utilized in critical applications, including remote monitoring, target tracking, healthcare systems, industrial automation, and smart control in both residential and industrial settings. One…

网络与互联网体系结构 · 计算机科学 2025-10-02 Almamoon Alauthman

In this work, we analyze the advantages of multi-hop data fragmentation in unattended wireless sensor networks (UWSN) and propose a lightweight protocol to achieve it. UWSN has recently become an important aspect in various areas of sensor…

网络与互联网体系结构 · 计算机科学 2019-01-18 Keun-Woo Lim , Katarzyna Kapusta , Gerard Memmi , Woo-Sung Jung

In this paper, we optimize a Wireless Powered Communication (WPC) system including multiple pair of users, where transmitters employ single-antenna to transmit their information and power to their receivers with the help of one…

信号处理 · 电气工程与系统科学 2023-01-03 Omid Rezaei , Maryam Masjedi , Ali Kanaani , Mohammad Mahdi Naghsh , Saeed Gazor , Mohammad Mahdi Nayebi

Fluid antenna systems (FAS) offer enhanced spatial diversity for next-generation wireless systems. However, acquiring accurate channel state information (CSI) remains challenging due to the large number of reconfigurable ports and the…

信息论 · 计算机科学 2025-05-09 Erqiang Tang , Wei Guo , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

Wireless power transfer (WPT) technologies are becoming ubiquitous, but unlike wire technologies, they do not allow efficient energy transfer through barely transparent barriers. The proposed solutions to this issue rely on resonantly…

光学 · 物理学 2019-09-16 Alex Krasnok

Contactless device-free wireless sensing has recently attracted significant interest due to its potential to support a wide range of immersive human-machine interactive applications using ubiquitously available radio frequency (RF) signals.…

分布式、并行与集群计算 · 计算机科学 2024-10-29 Huixiang Zhu , Yong Xiao , Yingyu Li , Guangming Shi , Marwan Krunz