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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…

Information Theory · Computer Science 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…

Signal Processing · Electrical Eng. & Systems 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…

Signal Processing · Electrical Eng. & Systems 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…

Information Theory · Computer Science 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…

Information Theory · Computer Science 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…

Signal Processing · Electrical Eng. & Systems 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…

Information Theory · Computer Science 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)…

Information Theory · Computer Science 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…

Information Theory · Computer Science 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…

Information Theory · Computer Science 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…

Information Theory · Computer Science 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…

Information Theory · Computer Science 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…

Signal Processing · Electrical Eng. & Systems 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…

Optimization and Control · Mathematics 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…

Information Theory · Computer Science 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…

Signal Processing · Electrical Eng. & Systems 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…

Signal Processing · Electrical Eng. & Systems 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…

Information Theory · Computer Science 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,…

Information Theory · Computer Science 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…

Signal Processing · Electrical Eng. & Systems 2026-01-14 Taorui Liu , Xu Liu , Zhiquan Xu , Houfeng Chen , Hongliang Zhang , Lingyang Song