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Multiple-antenna backscatter is emerging as a promising approach to offer high communication performance for the data-intensive applications of ambient backscatter communications (AmBC). Although much has been understood about…

Signal Processing · Electrical Eng. & Systems 2019-12-24 Zhiang Niu , Wei Wang , Tao Jiang

The 3GPP has recently conducted a study on the Ambient Internet of Things (AIoT), with a particular emphasis on examining backscatter communications as one of the primary techniques under consideration. Previous investigations into Ambient…

Signal Processing · Electrical Eng. & Systems 2024-02-22 Jingyi Liao , Kalle Ruttik , Riku Jantti , Phan-Huy Dinh-Thuy

Ambient Internet of Things (AIoT), recently standardized by the 3rd Generation Partnership Project (3GPP), demands a low-power wide-area communication solution that operates several orders of magnitude below the power requirements of…

Signal Processing · Electrical Eng. & Systems 2025-01-22 Jingyi Liao , Tianshu Zhang , Kalle Ruttik , Riku Jäntti , Dinh-Thuy Phan-Huy

Long Term Evolution (LTE) signal is ubiquitously present in electromagnetic (EM) background environment, which make it an attractive signal source for the ambient backscatter communications (AmBC). In this paper, we propose a system, in…

Signal Processing · Electrical Eng. & Systems 2023-02-01 Jingyi Liao , Xiyu Wang , Kalle Ruttik , Riku Jantti , Phan-Huy Dinh-Thuy

Ambient Internet of Things networks use low-cost, low-power backscatter tags in various industry applications. By exploiting those tags, we introduce the integrated sensing and backscatter communication (ISABC) system, featuring multiple…

Information Theory · Computer Science 2024-05-01 S. Zargari , D. Galappaththige , C. Tellambura

Existing tag signal detection algorithms inevitably suffer from a high bit error rate (BER) due to the difficulties in estimating the channel state information (CSI). To eliminate the requirement of channel estimation and to improve the…

Signal Processing · Electrical Eng. & Systems 2020-11-12 Chang Liu , Xuemeng Liu , Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan , Ying-Chang Liang

The era of ubiquitous, affordable wireless connectivity has opened doors to countless practical applications. In this context, ambient backscatter communication (AmBC) stands out, utilizing passive tags to establish connections with readers…

Information Theory · Computer Science 2023-11-16 S. Zargari , A. Hakimi , C. Tellambura , A. Maaref

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

Ambient backscatter communication technology (AmBC) and a novel device category called zero-energy devices (ZED) have recently emerged as potential components for the forthcoming 6th generation (6G) networks. A ZED communicates with a…

Information Theory · Computer Science 2023-09-27 Papis Ndiaye , Dinh-Thuy Phan-Huy , Ayman Hassan , Jingyi Liao , Xiyu Wang , Kalle Ruttik , Riku Jantti

Ambient backscatter communication (AmBC) has been introduced to address communication and power efficiency issues for short-range and low-power Internet-of-Things (IoT) applications. On the other hand, reconfigurable intelligent surface…

Signal Processing · Electrical Eng. & Systems 2020-12-09 Mahyar Nemati , Jie Ding , Jinho Choi

Reconfigurable intelligent surface (RIS) and ambient backscatter communication (AmBC) have been envisioned as two promising technologies due to their high transmission reliability as well as energy-efficiency. This paper investigates the…

Information Theory · Computer Science 2024-03-19 Yingjie Pei , Xinwei Yue , Chongwen Huang , Zhiping Lu

Ambient backscatter communications (AmBackComs) have been recognized as a spectrum- and energy-efficient technology for Internet of Things, as it allows passive backscatter devices (BDs) to modulate their information into the legacy…

Information Theory · Computer Science 2020-05-15 Yinghui Ye , Liqin Shi , Xiaoli Chu , Guangyue Lu

Simplifying the detection procedure and improving the bit error rate (BER) performance of a non-coherent receiver in ambient backscatter is vital for enhancing its ability to function without the channel state information (CSI). In this…

Information Theory · Computer Science 2021-04-27 J. Kartheek Devineni , Harpreet S. Dhillon

Ambient backscatter communication (AmBC) enables wireless-powered backscatter devices (BDs) to transmit information over ambient radio-frequency (RF) carriers without using an RF transmitter, and thus has emerged as a promising technology…

Information Theory · Computer Science 2018-05-04 Gang Yang , Dongdong Yuan , Ying-Chang Liang

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

We consider a molecular communication system comprised of a transmitter, an absorbing receiver, and an interference source. Assuming amplitude modulation, we analyze the dependence of the bit error rate (BER) on the detection interval,…

Information Theory · Computer Science 2020-05-05 Trang Ngoc Cao , Nikola Zlatanov , Phee Lep Yeoh , Jamie S. Evans

This article introduces a novel lightweight framework using ambient backscattering communications to counter eavesdroppers. In particular, our framework divides an original message into two parts: (i) the active-transmit message transmitted…

Networking and Internet Architecture · Computer Science 2023-08-07 Nam H. Chu , Nguyen Van Huynh , Diep N. Nguyen , Dinh Thai Hoang , Shimin Gong , Tao Shu , Eryk Dutkiewicz , Khoa T. Phan

The rapid growth of the Internet of Things (IoT) devices in the sixth-generation (6G) wireless networks raises significant generality and scalability challenges due to energy consumption, deployment complexity, and environmental impact.…

Systems and Control · Electrical Eng. & Systems 2026-03-06 Boxuan Xie , Yifan Zhang , Kalle Koskinen , Alexis A. Dowhuszko , Jiacheng Wang , Ruichen Zhang , Zehui Xiong , Dusit Niyato , Zhu Han , Riku Jäntti

We consider an ambient backscatter communication (AmBC) system aided by an intelligent reflecting surface (IRS). The optimization of the IRS to assist AmBC is extremely difficult when there is no prior channel knowledge, for which no design…

Information Theory · Computer Science 2021-07-27 Xiaolun Jia , Xiangyun Zhou

In some Internet of Things (IoT) applications, multi-path propagation is a main constraint of communication channel. Recently, the chaotic baseband wireless communication system (CBWCS) is promising to eliminate the inter-symbol…

Signal Processing · Electrical Eng. & Systems 2022-03-29 Hui-Ping Yin , Chao Bai , Hai-Peng Ren