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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

Backscatter communication (BSC) is being realized as the core technology for pervasive sustainable Internet-of-Things applications. However, owing to the resource-limitations of passive tags, the efficient usage of multiple antennas at the…

Information Theory · Computer Science 2019-04-18 Deepak Mishra , Erik G. Larsson

Low-power ambient backscatter communication (AmBC) relying on radio-frequency (RF) energy harvesting is an energy-efficient solution for batteryless Internet of things (IoT). However, ambient backscatter signals are severely faded by dyadic…

Information Theory · Computer Science 2018-06-11 Tae Yeong Kim , Dong In Kim

Ambient backscatter, an emerging green communication technology, has aroused great interest from both academia and industry. One open problem for ambient backscatter communication (AmBC) systems is channel estimation for a massive-antenna…

Signal Processing · Electrical Eng. & Systems 2019-07-02 Wenjing Zhao , Gongpu Wang , Saman Atapattu , Ruisi He , Ying-Chang Liang

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 communications (AmBC) are a promising technology for addressing the energy consumption challenge in wireless communications through the reflection or absorption of surrounding radio frequency (RF) signals. However, it…

Signal Processing · Electrical Eng. & Systems 2024-08-19 Shuaijun Ma , Peng Wei , Sa Xiao , Jianquan Wang , Wanbin Tang , Wei Xiang

The success of Internet-of-Things (IoT) paradigm relies on, among other things, developing energy-efficient communication techniques that can enable information exchange among billions of battery-operated IoT devices. With its technological…

Information Theory · Computer Science 2018-04-26 J. Kartheek Devineni , Harpreet S. Dhillon

Green low power networking with the least requirement of dedicated radio resources is need of the hour which has led to the upsurge of backscatter communication (BSC) technology. However, this inherent potential of BSC is challenged by…

Information Theory · Computer Science 2019-08-26 Deepak Mishra , Erik G. Larsson

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

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

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

Ambient backscatter communication system is an emerging and promising low-energy technology for Internet of Things. In such system, a device named tag, sends a binary message to a reader by backscattering a radio frequency signal generated…

Signal Processing · Electrical Eng. & Systems 2021-11-04 Romain Fara , Dinh-Thuy Phan-Huy , Abdelwaheb Ourir , Marco Di Renzo , Julien de Rosny

Ambient backscatter communication technology has been introduced recently, and is then quickly becoming a promising choice for self-sustainable communication systems as an external power supply or a dedicated carrier emitter is not…

Networking and Internet Architecture · Computer Science 2017-09-28 Xiao Lu , Dusit Niyato , Hai Jiang , Dong In Kim , Yong Xiao , Zhu Han

To improve the data rate in differential chaos shift keying (DCSK) based ambient backscatter communication (AmBC) system, we propose a new AmBC system based on code index modulation (CIM), referred to as CIM-DCSK-AmBC system. In the…

Information Theory · Computer Science 2023-09-06 Ruipeng Yang , Yi Fang , Pingping Chen , Huan Ma

In this work, we consider a backscatter communication system wherein multiple asynchronous sources (tags) exploit the reverberation generated by a nearby radar transmitter as an ambient carrier to deliver a message to a common destination…

Signal Processing · Electrical Eng. & Systems 2024-12-30 Luca Venturino , Emanuele Grossi , Jeremy Johnston , Marco Lops , Xiaodong Wang

Ambient backscatter communication (AmBC) enables ambient Internet of Things (AIoT) devices to achieve ultra-low-power, low-cost, and massive connectivity. Most existing AmBC studies assume ideal synchronization between the backscatter…

Information Theory · Computer Science 2025-10-06 Yuxin Li , Guangyue Lu , Yinghui Ye , Zehui Xiong , Liqin Shi

Backscatter communication (BSC) technology can enable ubiquitous deployment of low-cost sustainable wireless devices. In this work we investigate the efficacy of a full-duplex multiple-input-multiple-output (MIMO) reader for enhancing the…

Information Theory · Computer Science 2019-03-27 Deepak Mishra , Erik G. Larsson

Recently, ambient backscatter communications has been introduced as a cutting-edge technology which enables smart devices to communicate by utilizing ambient radio frequency (RF) signals without requiring active RF transmission. This…

Networking and Internet Architecture · Computer Science 2017-12-14 Nguyen Van Huynh , Dinh Thai Hoang , Xiao Lu , Dusit Niyato , Ping Wang , Dong In Kim

In ambient backscatter communication (AmBC) systems, passive tags connect to a reader by reflecting an ambient radio frequency (RF) signal. However, the reader may not know the channel states and RF source parameters. The traditional energy…

Information Theory · Computer Science 2024-06-13 S. Zargari , C. Tellambura , A. Maaref

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