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The separate receiver architecture with a time- or power-splitting mode, widely used for simultaneous wireless information and power transfer (SWIPT), has a major drawback: Energy-intensive local oscillators and mixers need to be installed…

信息论 · 计算机科学 2023-07-21 Do-Yup Kim , Chae-Bong Sohn , Hyun-Suk Lee

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

We introduce inter-technology backscatter, a novel approach that transforms wireless transmissions from one technology to another, on the air. Specifically, we show for the first time that Bluetooth transmissions can be used to create Wi-Fi…

网络与互联网体系结构 · 计算机科学 2016-07-19 Vikram Iyer , Vamsi Talla , Bryce Kellogg , Shyamnath Gollakota , Joshua R. Smith

Interference alignment (IA) is a linear precoding strategy that can achieve optimal capacity scaling at high SNR in interference networks. Most of the existing IA designs require full channel state information (CSI) at the transmitters,…

信息论 · 计算机科学 2015-06-16 Xiongbin Rao , Liangzhong Ruan , Vincent K. N. Lau

Critical infrastructure systems like power grid require an improved critical in-formation infrastructure (CII) that can not only help in monitoring of the crit-ical entities but also take part in failure analysis and self-healing. Efficient…

网络与互联网体系结构 · 计算机科学 2020-08-04 Sohini Roy

Wireless foundation models promise transformative capabilities for channel state information (CSI) processing across diverse 6G network applications, yet face fundamental challenges due to the inherent dual heterogeneity of CSI across both…

机器学习 · 计算机科学 2026-01-27 Chenyu Zhang , Xinchen Lyu , Chenshan Ren , Shuhan Liu , Qimei Cui , Xiaofeng Tao

Reconfigurable intelligent surface (RIS) has become a promising technology for enhancing the reliability of wireless communications, which is capable of reflecting the desired signals through appropriate phase shifts. However, the intended…

信号处理 · 电气工程与系统科学 2021-03-03 Bo Yang , Xuelin Cao , Chongwen Huang , Chau Yuen , Lijun Qian , Marco Di Renzo

Telecommunications and computer vision have evolved separately so far. Yet, with the shift to sub-terahertz (sub-THz) and terahertz (THz) radio communications, there is an opportunity to explore computer vision technologies together with…

This study considers the Joint Transmit/Reflect Beamforming and Power Splitting (JTRBPS) optimization problem in a spectrum underlay setting, such that the transmit sum-energy of the intelligent reflecting surface (IRS)-aided secondary…

信号处理 · 电气工程与系统科学 2022-02-01 Konstantinos Ntougias , Ioannis Krikidis

Realizing the industrial Internet of Things, more andmore mobile use cases will emerge in the industrial landscape,requiring both novel concepts and smooth integration into legacydeployments.Since accurate time synchronization is…

网络与互联网体系结构 · 计算机科学 2021-06-08 Michael Gundall , Christopher Huber , Sergiy Melnyk , Hans D. Schotten

The advent of Reconfigurable Intelligent Surfaces (RISs) in wireless communication networks unlocks the way to support high frequency radio access (e.g. in millimeter wave) while overcoming their sensitivity to the presence of deep fading…

信息论 · 计算机科学 2022-05-31 Fatima Ezzahra Airod , Mattia Merluzzi , Paolo Di Lorenzo , Emilio Calvanese Strinati

Integrated sensing and communication (ISAC) unifies wireless communication and sensing by sharing spectrum and hardware, which often incurs trade-offs between two functions due to limited resources. However, this paper shifts focus to…

信息论 · 计算机科学 2024-11-19 Mingjie Yang , Guangming Liang , Dongzhu Liu , Lei Zhang , Kaibin Huang

This paper proposes an interleaved transceiver design method for a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system utilizing orthogonal frequency division multiplexing (OFDM) waveforms. We consider a…

信号处理 · 电气工程与系统科学 2025-08-15 Yating Chen , Cai Wen , Yan Huang , Jinye Peng , Wei Hong , Timothy N. Davidson

Interference in wireless networks is one of the key-capacity limiting factor. The multicast capacity of an ad- hoc wireless network decreases with an increasing number of transmitting and/or receiving nodes within a fixed area. Digital…

信息论 · 计算机科学 2011-12-20 Jalaluddin Qureshi , Chuan Heng Foh , Jianfei Cai

In this paper, a general cognitive radio system consisting of a set of users with different level of spectrum access including two primary transceivers and several types of secondary users is considered. It is assumed that two secondary…

信息论 · 计算机科学 2018-09-10 Mohammad Zaeri-Amirani , Fatemeh Afghah , Jonathan Ashdown

Spectrum coexistence is essential for next generation (NextG) systems to share the spectrum with incumbent (primary) users and meet the growing demand for bandwidth. One example is the 3.5 GHz Citizens Broadband Radio Service (CBRS) band,…

网络与互联网体系结构 · 计算机科学 2022-12-29 Yi Shi , Yalin E. Sagduyu

This paper investigates the simultaneous wireless information and power transfer (SWIPT) precoding scheme for K-user multiple-input-multiple-output (MIMO) interference channels (IC), for which interference alignment (IA) schemes provide…

信息论 · 计算机科学 2021-10-19 Navneet Garg , Avinash Rudraksh , Govind Sharma , Tharmalingam Ratnarajah

Hybrid analog-digital precoding significantly reduces the hardware costs in massive MIMO transceivers when compared to fully-digital precoding at the expense of increased transmit power. In order to mitigate the above shortfall, we use the…

信号处理 · 电气工程与系统科学 2019-07-24 Ganapati Hegde , Christos Masouros , Marius Pesavento

The collaborative sensing of multiple Integrated sensing and communication (ISAC) base stations is one of the important technologies to achieve intelligent transportation. Interference elimination between ISAC base stations is the…

信息论 · 计算机科学 2022-06-23 Wangjun Jiang , Zhiqing Wei , Zhiyong Feng

In wireless fading channels, multi-user scheduling has the potential to boost the spectral efficiency by exploiting diversity gains. In this regard, proportional fair (PF) scheduling provides a solution for increasing the users' quality of…

网络与互联网体系结构 · 计算机科学 2016-11-17 R. Fritzsche , P. Rost , G. Fettweis
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