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Backscatter communication (BC) technology offers sustainable solutions for next-generation Internet-of-Things (IoT) networks, where devices can transmit data by reflecting and adjusting incident radio frequency signals. In parallel to BC,…

Signal Processing · Electrical Eng. & Systems 2023-09-25 Wali Ullah Khan , Eva Lagunas , Zain Ali , Asad Mahmood , Chandan Kumar Sheemar , Manzoor Ahmed , Symeon Chatzinotas , Björn Ottersten

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 have been introduced as low-power communications for green networking. This technology is very promising as it recycles ambient radio frequency waves, however such systems have limitations and suffer from…

Signal Processing · Electrical Eng. & Systems 2021-11-04 Romain Fara , Nada Bel-Haj-Maati , Dinh-Thuy Phan-Huy , Nadine Malhouroux , Marco Di Renzo

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

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

Bistatic backscatter communication (BackCom) allows passive tags to transmit over extended ranges, but at the cost of having carrier emitters either transmitting at high powers or being deployed very close to tags. In this paper, we examine…

Information Theory · Computer Science 2021-11-09 Xiaolun Jia , Xiangyun Zhou , Dusit Niyato , Jun Zhao

In an RF-powered backscatter cognitive radio network, multiple secondary users communicate with a secondary gateway by backscattering or harvesting energy and actively transmitting their data depending on the primary channel state. To…

Machine Learning · Computer Science 2018-10-11 Tran The Anh , Nguyen Cong Luong , Dusit Niyato , Ying-Chang Liang , Dong In Kim

This letter investigates an intelligent reflecting surfaces (IRS)-enhanced network from spectral efficiency enhancement point of view for downlink multi-user (MU) multi-input-single-output systems (MISO). In contrast to previous works which…

Signal Processing · Electrical Eng. & Systems 2023-03-01 Farimehr Zohari , S. M. Mahdi Shahabi , Mehrdad Ardebilipour

Backscatter communication (BSC) is a promising solution for Internet-of-Things (IoT) connections due to its low-complexity, low-cost, and energy-efficient solution for sensors. There are several network infrastructure setups that can be…

Signal Processing · Electrical Eng. & Systems 2023-07-04 Ahmet Kaplan , Joao Vieira , Erik G. Larsson

In this paper, we employ multiple wireless-powered relays to assist information transmission from a multi-antenna access point to a single-antenna receiver. The wireless relays can operate in either the passive mode via backscatter…

Signal Processing · Electrical Eng. & Systems 2020-08-05 Shimin Gong , Yuze Zou , Jing Xu , Dinh Thai Hoang , Bin Lyu , Dusit Niyato

Backscatter communication (BC) is a promising technique for future Internet-of-Things (IoT) owing to its low complexity, low cost, and potential for energy-efficient operation in sensor networks. There are several network infrastructure…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Ahmet Kaplan , Joao Vieira , Erik G. Larsson

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

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

Backscatter communication (BC) has emerged as a key technology to satisfy the increasing need for low-cost and green Internet-of-Things (IoT) connectivity, especially in large-scale deployments. Unlike the monostatic BC (MoBC), the bistatic…

Signal Processing · Electrical Eng. & Systems 2024-07-26 Ahmet Kaplan , Diana P. M. Osorio , Erik G. Larsson

Intelligent reflecting surface (IRS) is a promising technology to assist downlink information transmissions from a multi-antenna access point (AP) to a receiver. In this paper, we minimize the AP's transmit power by a joint optimization of…

Signal Processing · Electrical Eng. & Systems 2020-05-26 Jiaye Lin , Yuze Zou , Xiaoru Dong , Shimin Gong , Dinh Thai Hoang , Dusit Niyato

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

In this paper, we consider a point-to-point integrated sensing and communication (ISAC) system, where a transmitter conveys a message to a receiver over a channel with memory and simultaneously estimates the state of the channel through the…

Information Theory · Computer Science 2024-12-03 Homa Nikbakht , Michèle Wigger , Shlomo Shamai , H. Vincent Poor

Multiple-input multiple-output (MIMO) wireless systems conventionally use high-resolution analog-to-digital converters (ADCs) at the receiver side to faithfully digitize received signals prior to digital signal processing. However, the…

Information Theory · Computer Science 2025-04-29 Marian Temprana Alonso , Dongsheng Luo , Farhad Shirani

Sixth generation (6G) mobile networks may include new passive technologies, such as ambient backscatter communication or the use of reconfigurable intelligent surfaces, to avoid the emission of waves and the corresponding energy…

Signal Processing · Electrical Eng. & Systems 2021-04-09 Romain Fara , Dinh-Thuy Phan-Huy , Philippe Ratajczak , Abdelwaheb Ourir , Marco Di Renzo , Julien de Rosny

In Integrated Sensing And Communication (ISAC) systems, estimating the micro-Doppler (mD) spectrogram of a target requires combining channel estimates retrieved from communication with ad-hoc sensing packets, which cope with the sparsity of…

Signal Processing · Electrical Eng. & Systems 2024-12-05 Federico Mason , Jacopo Pegoraro
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