Joint communication and radar sensing (JCR) represents an emerging research field aiming to integrate the above two functionalities into a single system, sharing majority of hardware signal processing modules and, in typical case, transmitted signal. It is recognised as key approach significantly improving spectrum efficiency, reducing device size, cost power consumption, performance thanks potential close cooperation functions. Advanced techniques are critical for making integration...

Mobile network is evolving from a communication-only towards one with joint communication and radar/radio sensing (JCAS) capabilities, that we call perceptive mobile (PMN). Radio here refers to information retrieval received signals for objects of interest in the environment surrounding radio transceivers, it may go beyond functions localization, tracking, object recognition traditional radar. In PMNs, JCAS integrates into communications, sharing majority system modules same transmitted...

A massive hybrid array consists of multiple analog subarrays, with each subarray having its digital processing chain. It offers the potential advantage balancing cost and performance for arrays therefore serves as an attractive solution future millimeter-wave (mm- Wave) cellular communications. On one hand, using beamforming subarrays such phased arrays, configuration can effectively collect or distribute signal energy in sparse mm-Wave channels. other chains provide multiplexing capability...

Beamforming has a great potential for joint communication and radar sensing (JCAS), which is becoming demanding feature on many emerging platforms, such as unmanned aerial vehicles smart cars. Although beamforming been extensively studied respectively, its application in the system not straightforward due to different requirements by sensing. In this paper, we propose novel multibeam framework using steerable analog antenna arrays, allows seamless integration of Different conventional JCAS...

The Blockchain technology, featured with its decentralized tamper-resistance based on a Peer-to-Peer network, has been widely applied in financial applications, and even further extended to industrial applications. However, the weak scalability of traditional technology severely affects wide adoption due well-known trillema decentralization-security-scalability Blockchains. In regards this issue, number solutions have proposed, targeting boost while preserving decentralization security. They...

In this paper, we develop a framework for novel perceptive mobile/cellular network that integrates radar sensing function into the mobile communication network. We propose unified system platform enables downlink and uplink sensing, sharing same transmitted signals with communications. aim to tackle fundamental parameter estimation problem in networks, by addressing two key challenges associated sophisticated rich multipath networks. To extract parameters from orthogonal frequency division...

Machine learning (ML) workflows are extremely complex. The typical workflow consists of distinct stages user interaction, such as preprocessing, training, and tuning, that repeatedly executed by users but have heterogeneous computational requirements. This complexity makes it challenging for ML to correctly provision manage resources and, in practice, constitutes a significant burden frequently causes over-provisioning impairs productivity. Serverless computing is compelling model address...

Joint communication and radar/radio sensing (JCAS), also known as dual-function radar communications, enables the integration of radio into one system, sharing a single transmitted signal. The perceptive mobile network (PMN) is natural evolution JCAS from simple point-to-point links to mobile/cellular with integrated radio-sensing capability. In this article, we present system architecture that unifies three types sensing, investigate required modifications existing networks, exemplify...

As demand for wireless connectivity increases, communication technology is moving toward integrating terrestrial networks with space networks. Creating this integrated and network (ISTN) critically important industries such as logistics, mining, agriculture, fisheries, defense. However, a number of significant technological challenges must be overcome ISTN through low-cost airborne platforms high-data-rate backbone links.

Aiming at the path planning problem of an unmanned aerial vehicle (UAV) in a complex unknown environment, this paper proposes cooperative algorithm for multiple UAVs. Using local environment information, several rolling plannings are carried out by Artificial Potential Field Bidirectional-Rapidly exploring Random Trees (APF B-RRT*) algorithm. The APF B-RRT* optimizes search space pre-sampling and adapts with adaptive step while fusing guiding sampling. Then, generated is trimmed smoothed to...

With the development of electric vehicles and consumer electronics, wireless power transfer (WPT) is becoming a popular technology. Recently, magnetic resonant coupling has been considered to be most effective attractive WPT approach, two-coil structure widely used for coupling. It recently reported that system's energy efficiency can improved by three-coil structure. In this paper, compared with based on circuit theory. Simplified models two- structures are proposed give more intuitive...

This paper proposes an energy management technique for a consumer-to-grid system in smart grid. The benefit to consumers is made the primary concern encourage participate voluntarily trading with central power station (CPS) situations of deficiency. A novel model motivating under goal social optimality proposed. single-leader multiple-follower Stackelberg game then studied interactions between CPS and number (ECs), find optimal distributed solutions optimization problem based on model....

The attribute-based encryption (ABE) has drawn a lot of attention for fine-grained access control in blockchains, especially blockchain-enabled tampering-resistant Internet-of-Things (IoT) systems. However, its adoption been severely hindered by the incompatibility between immutability typical blockchains and attribute updates/revocations ABE. In this article, we propose new blockchain-based IoT system, which is compatible with ABE technique, implemented update enabled integrating Chameleon...

In this paper, we investigate the network utility maximization problem in a dual-functional radar-communication multi-unmanned aerial vehicle (multi-UAV) where multiple UAVs serve group of communication users and cooperatively sense target simultaneously. To balance sensing performance, formulate joint UAV location, user association, transmission power control to maximize total under constraint localization accuracy. We then propose computationally practical method solve NP-hard by...

In this paper, we study optimal spatio-temporal power mask design to maximize mutual information (MI) for a joint communication and (radio) sensing (JCAS, a.k.a., radar-communication) multi-input multi-output (MIMO) downlink system. We consider typical packet-based signal structure which includes training data symbols. first derive the conditional MI both under correlated channels by considering overhead channel estimation error (CEE). Then, lower bound CEE optimize energy arrangement...

Perceptive mobile network (PMN) is a recently proposed next-generation that integrates radar sensing into communications. One major challenge for realizing in PMNs how to deal with spatially-separated asynchronous transceivers. The asynchrony between receiver and transmitter will cause both timing offsets (TOs) carrier frequency (CFOs) lead degraded accuracy ranging velocity measurements. In this paper, we propose an uplink scheme transceivers, targeting at resolving the ambiguity improving...

Beamforming design is an important technique for enhancing the performance of integrated sensing and communication (ISAC) systems. However, related research based on hybrid analog-digital (HAD) architecture still limited. In this paper, we investigate partially-connected beamforming multi-user ISAC Instead commonly used beampattern metric, Cramér-Rao bound (CRB) employed as metric direction arrival (DOA) estimation. We aim to minimize CRB while satisfying signal-to-interference-plus-noise...

Integrating sensing into standardized communication systems can potentially benefit many consumer applications that require both radio frequency functions. However, without an effective method, such integration may not achieve the expected gains of cost and energy efficiency. Existing methods, which use payload signals, either have limited performance or suffer from high complexity. In this paper, we develop a novel flexible framework has complexity only dominated by Fourier transform also...

Sidelobe suppression, or out-of-band emission reduction, in multicarrier systems is conventionally achieved via time-domain windowing which spectrum inefficient. Although some sidelobe cancellation and signal predistortion techniques have been proposed for shaping, they are generally not well balanced between complexity suppression performance. In this paper, an efficient low-complexity with orthogonal projection (SSOP) scheme proposed. The SSOP uses matrix adopts as few one reserved...

This paper analyzes the link capacity between autonomous unmanned aerial vehicles (UAVs) with random three-dimensional (3-D) trajectories. is distinctively different from existing works typically under assumption of either two-dimensional (2-D) or deterministic trajectories, and particularly interesting to applications such as surveillance air combat. The key idea that we geometrically derive probability distributions UAV-to-UAV (U2U) distances which, by exploiting Jensen's inequality, can...

Summary Short‐term traffic flow prediction is fundamental for the intelligent transportation system and proved to be a challenge. This paper proposed hybrid strategy that general can make use of large number underlying machine learning or time‐series models capture complex patterns beneath flow. With strategy, four different combinations were implemented. To consider spatial features phenomenon, several state vectors including observations built. The performance was investigated using...

The sparse code multiple access (SCMA) is a promising candidate for bandwidth-efficient next generation wireless communications, since it can support more users than the number of resource elements.On same note, faster-than-Nyquist (FTN) signaling also be used to improve spectral efficiency.Hence in this paper, we consider combined uplink FTN-SCMA system which data symbols corresponding user are further packed using FTN signaling.As result, higher efficiency achieved at cost introducing...

Frequency-hopping (FH) MIMO radar-based dual-function radar communication (FH-MIMO DFRC) enables symbol rate to exceed pulse repetition frequency, which requires accurate estimations of timing offset and channel parameters. The estimations, however, are challenging due unknown, fast-changing hopping frequencies the multiplicative coupling between In this paper, we develop methods for a single-antenna receiver estimate FH-MIMO DFRC. First, design novel waveform, frequency sequence (HFS) used...