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相关论文: Sum Throughput Maximization in Multi-Tag Backscatt…

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In this paper, we study the throughput utility functions in buffer-equipped monostatic backscatter communication networks with multi-antenna Readers. In the considered model, the backscatter nodes (BNs) store the data in their buffers…

信息论 · 计算机科学 2021-03-03 Mohammad Movahednasab , Mohammad Reza Pakravan , Behrooz Makki , Tommy Svensson

This paper explores an integrated sensing and communication (ISAC) system with backscattering RFID tags. In this setup, an access point employs communication beams to serve communication users while leveraging a sensing beam to interrogate…

信号处理 · 电气工程与系统科学 2026-04-17 Hao Luo , Umut Demirhan , Ahmed Alkhateeb

Future wireless networks targeted for improving spectral and energy efficiency, are expected to simultaneously provide sensing functionality and support low-power communications. This paper proposes a novel net-zero integrated sensing and…

信号处理 · 电气工程与系统科学 2025-03-04 Yu Zhang , Tongyang Xu , Christos Masouros , Zhu Han

Ambient backscatter communication (AmBC) enables ultra-low-power connectivity by allowing passive backscatter devices (BDs) to convey information through reflection of ambient signals. However, the cascaded AmBC channel suffers from severe…

信息论 · 计算机科学 2026-02-19 Masoud Kaveh , Farshad Rostami Ghadi , Riku Jantti , Kai-Kit Wong , F. Javier Lopez-Martinez

Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve higher spectral efficiency, in this paper, we extend…

信息论 · 计算机科学 2023-04-20 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You

The emerging pinching antenna (PA) technology enables flexible antenna positioning for creating line-of-sight (LoS) links, thus offering substantial potential to facilitate ambient signal-based backscatter communication (BSC). This paper…

信号处理 · 电气工程与系统科学 2025-12-15 Yulei Wang , Yalin Liu , Yaru Fu , Yuanwei Liu

Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve higher spectral efficiency, in this paper, we extend…

信息论 · 计算机科学 2023-02-21 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You

Backscatter communication (BackCom), one of the core technologies to realize zero-power communication, is expected to be a pivotal paradigm for the next generation of the Internet of Things (IoT). However, the "strong" direct link (DL)…

信息论 · 计算机科学 2023-05-22 Bowen Gu , Dong Li , Ye Liu , Yongjun Xu

Future Internet-of-Things (IoT) is expected to wirelessly connect billions of low-complexity devices. For wireless information transfer (WIT) in IoT, high density of IoT devices and their ad hoc communication result in strong interference…

信息论 · 计算机科学 2017-11-27 Wanchun Liu , Kaibin Huang , Xiangyun Zhou , Salman Durrani

In this paper, we study backscatter communication (BC) for power-limited devices that are connected to a network for the Internet of Things (IoT), where joint estimation and detection is carried out at a receiver to detect signals from a…

信息论 · 计算机科学 2019-08-21 Jinho Choi

Integrated sensing and communications (ISAC) is envisioned as a key technology for future wireless communications. In this paper, we consider a downlink monostatic ISAC system wherein the base station serves multiple communications users…

信息论 · 计算机科学 2024-07-30 Tianyu Fang , Nhan Thanh Nguyen , Markku Juntti

We study the downlink linear precoder design problem in a multi-cell dense heterogeneous network (HetNet). The problem is formulated as a general sum-utility maximization (SUM) problem, which includes as special cases many practical…

信息论 · 计算机科学 2015-10-22 Mingyi Hong , Qiang Li , Ya-Feng Liu

The combination of non-orthogonal multiple access (NOMA) using power-domain with backscatter sensor communication (BSC) is expected to connect a large-scale Internet of things (IoT) devices in future sixth-generation (6G) era. In this…

信号处理 · 电气工程与系统科学 2022-12-21 Manzoor Ahmed , Wali Ullah Khan , Asim Ihsan , Xingwang Li , Jianbo Li , Theodoros A. Tsiftsis

This paper addresses the joint transceiver design for downlink multiuser multiple-input multiple-output (MIMO) systems, with imperfect channel state information (CSI) at the base station (BS) and mobile stations (MSs). By incorporating…

最优化与控制 · 数学 2013-11-26 Tadilo Endeshaw Bogale , Batu Krishna Chalise , Luc Vandendorpe

Backscatter communication (BackCom), which allows a backscatter node (BN) to communicate with the reader by modulating and reflecting the incident continuous wave from the reader, is considered as a promising solution to power the future…

信息论 · 计算机科学 2018-11-21 Jing Guo , Xiangyun Zhou , Salman Durrani , Halim Yanikomeroglu

Cognitive backscattering, an integration of cognitive radio and backsatter modulation, is emerging as a potential candidate for green Internet of Things (IoT). In cognitive backscatter systems, the backscatter device (BD) shares not only…

信号处理 · 电气工程与系统科学 2018-08-16 Huayan Guo , Qianqian Zhang , Dong Li , Ying-Chang Liang

Automotive-Industry 5.0 will use beyond fifth-generation (B5G) technologies to provide robust, computationally intelligent, and energy-efficient data sharing among various onboard sensors, vehicles, and other devices. Recently, ambient…

信号处理 · 电气工程与系统科学 2022-02-17 Wali Ullah Khan , Muhammad Ali Jamshed , Eva Lagunas , Symeon Chatzinotas , Xingwang Li , Bjorn Ottersten

We consider the coordinated downlink beamforming problem in a cellular network with the base stations (BSs) equipped with multiple antennas, and with each user equipped with a single antenna. The BSs cooperate in sharing their local…

信息论 · 计算机科学 2011-11-29 Mingyi Hong , Alfredo Garcia , J. Joaquin Escudero Garzas , Ana Garcia-Armada

Wirelessly powered backscatter communication (WPBC) has been identified as a promising technology for low-power communication systems, which can reap the benefits of energy beamforming to improve energy transfer efficiency. However,…

信息论 · 计算机科学 2020-11-04 Wenyuan Ma , Wei Wang , Tao Jiang

Battery-free Internet of Things (BF-IoT) enabled by backscatter communication is a rapidly evolving technology offering advantages of low cost, ultra-low power consumption, and robustness. However, the practical deployment of BF-IoT is…

信号处理 · 电气工程与系统科学 2026-01-14 Taorui Liu , Xu Liu , Zhiquan Xu , Houfeng Chen , Hongliang Zhang , Lingyang Song