Integrated Sensing and Communication in 6G A Prototype of High Resolution THz Sensing on Portable Device

Li, Oupeng; He, Jinghan; Zeng, Kun; Yu, Ziming; Du, Xianfeng; Li, Yuan; Wang, Guangiian; Chen, Yan; Zhu, Pengcheng; Tong, Wen; Lister, David; Ibbotson, Luke

doi:10.1109/eucnc/6gsummit51104.2021.9482537

Cited by 43 publications

(20 citation statements)

References 16 publications

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“…The relevant research works span from radar and communication spectral coexistence, radar-communication cooperation, to dual-functional radarcommunication [5]- [7]. Recently, the concept and scope of ISAC have been formally given in [8], [9], which attracts extensive research attention from both industry [10] and academia [11]. In contrast to the dedicated sensing or communication functionality, the ISAC design methodology exhibits two types of gains.…”

Section: A Integrated Sensing and Communicationmentioning

confidence: 99%

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Sensing as A Service in 6G Perceptive Networks: A Unified Framework for ISAC Resource Allocation

Dong¹,

Liu²,

Cui³

et al. 2022

Preprint

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In the upcoming next-generation (5G-Advanced and 6G) wireless networks, sensing as a service will play a more important role than ever before. Recently, the concept of perceptive network is proposed as a paradigm shift that provides sensing and communication (S&C) services simultaneously. This type of technology is typically referred to as Integrated Sensing and Communications (ISAC). In this paper, we propose the concept of sensing quality of service (QoS) in terms of diverse applications. Specifically, the probability of detection, the Crámer-Rao bound (CRB) for parameter estimation and the posterior CRB for moving target indication are employed to measure the sensing QoS for detection, localization, and tracking, respectively. Then, we establish a unified framework for ISAC resource allocation, where the fairness and the comprehensiveness optimization criteria are considered for the aforementioned sensing services. The proposed schemes can flexibly allocate the limited power and bandwidth resources according to both S&C QoSs. Finally, we study the performance trade-off between S&C services in different resource allocation schemes by numerical simulations.

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Section: A Integrated Sensing and Communicationmentioning

confidence: 99%

“…By recalling (10), we replace the estimation angle θq by the other user's AoA θ i , then q,i and ˜ q,i represent the interbeam interference factors as well. For convenience, we only keep the first-order terms w.r.t.…”

Section: B Motivation On Bandwidth Allocationmentioning

confidence: 99%

Sensing as A Service in 6G Perceptive Networks: A Unified Framework for ISAC Resource Allocation

Dong¹,

Liu²,

Cui³

et al. 2022

Preprint

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show abstract

“…THz sensing and localization: To name a few application cases, THz band is suitable for detecting small velocity changes because the Doppler frequency scales with the carrier frequency. Benefitting also from large-bandwidths and UM-MIMO, i.e., high delay and spatial resolutions, the THz band is also promising to realize high-resolution imaging systems [6] for, e.g., security checks. The link distance is usually not large, and human body effect is an essential part of the propagation channels.…”

Section: B Thz Applicationsmentioning

confidence: 99%

Towards 6G with THz Communications: Understanding the Propagation Channels

Cai¹,

Chen²,

Tufvesson³

2022

Preprint

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This article aims at providing insights for a comprehensive understanding of THz propagation channels. Specifically, we discuss essential THz channel characteristics to be well understood for the success of THz communications. The methodology of establishing realistic and 6G-compliant THz channel models based on measurements is then elaborated on, followed by a discussion on existing THz channel measurements in the literature. Finally, future research directions, challenges and measures to enrich the understanding of THz channels are discussed.

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“…• THz techniques: Exploiting the potential of higher frequencies say THz bands, will offer unique opportunities for sensing and environment reconstruction since it allow ultra-high resolution in all physical dimensions (including angle, range, Doppler). The current research trends of THz sensing techniques include THz imaging [16], THz massive MIMO [17], and holographic MIMO systems.…”

Section: Enabling Technologies For Environmental Reconstruction Based...mentioning

confidence: 99%

Symbiotic Sensing and Communications Towards 6G: Vision, Applications, and Technology Trends

Wang

Han

Jiang

et al. 2021

2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall)

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Driven by the vision of intelligent connection of everything and digital twin towards 6G, a myriad of new applications, such as immersive extended reality, autonomous driving, holographic communications, intelligent industrial internet, will emerge in the near future, holding the promise to revolutionize the way we live and work. These trends inspire a novel technical design principle that seamlessly integrates two originally decoupled functionalities, i.e., wireless communication and sensing, into one system in a symbiotic way, which is dubbed symbiotic sensing and communications (SSaC), to endow the wireless network with the capability to "see" and "talk" to the physical world simultaneously. Noting that the term SSaC is used instead of ISAC (integrated sensing and communications) because the word "symbiotic/symbiosis" is more inclusive and can better accommodate different integration levels and evolution stages of sensing and communications. Aligned with this understanding, this article makes the first attempts to clarify the concept of SSaC, illustrate its vision, envision the three-stage evolution roadmap, namely neutralism, commensalism, and mutualism of SaC. Then, three categories of applications of SSaC are introduced, followed by detailed description of typical use cases in each category. Finally, we summarize the major performance metrics and key enabling technologies for SSaC.

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Integrated Sensing and Communication in 6G A Prototype of High Resolution THz Sensing on Portable Device

Cited by 43 publications

References 16 publications

Sensing as A Service in 6G Perceptive Networks: A Unified Framework for ISAC Resource Allocation

Sensing as A Service in 6G Perceptive Networks: A Unified Framework for ISAC Resource Allocation

Towards 6G with THz Communications: Understanding the Propagation Channels

Symbiotic Sensing and Communications Towards 6G: Vision, Applications, and Technology Trends

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