Recent advances in Vehicle-to-Everything (V2X) technology and the upcoming sixth-generation (6G) network will dawn a new era for vehicular services with enhanced communication capabilities. Connected Autonomous Vehicles (CAVs) are expected to deliver transportation experience, increasing safety efficiency of road networks. The use millimeter-wave (mmW) frequencies guarantees huge amount bandwidth ( <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML"...

Integrated sensing and communication (ISAC) systems are recognized as one of the key ingredients sixth generation (6G) network. A challenging topic in ISAC is design a single waveform combining both functionalities on same time-frequency-space resources, allowing tuning performance with partial or full hardware sharing. This paper proposes dual-domain approach that superposes onto frequency-time (FT) domain legacy orthogonal frequency division multiplexing (OFDM) signal one, purposely...

Integrated Sensing and Communication (ISAC) is one of the key pillars envisioned for 6G wireless systems. ISAC systems combine communication sensing functionalities over a single waveform, with full resource sharing. In particular, waveform design legacy Orthogonal Frequency Division Multiplexing (OFDM) consists suitable time-frequency allocation policy balancing between performance. Over time and/or frequency, having unused resources leads to an ambiguity function high sidelobes that...

Reconfigurable intelligent surfaces (RISs) have been considered recently for target localization. While existing literature typically uses fixed RISs in the environment, mounting on targets is a novel approach that can improve visibility and positioning. This study derives Cramér-Rao bound (CRB) pose estimation (i.e., RIS position orientation) under generic wideband near-field model. The theoretical findings show pose-dependent filtering phenomenon occurs, impacting CRB, which neglected...

Vehicle-to-vehicle (V2V) resource allocation (RA) schemes have been introduced in the cellular V2V (C-V2V) standard for sidelink (SL) communications to allow an efficient sharing of time-frequency resources sub-6 GHz bands. However, recent progress connected and automated vehicles introduction new bandwidth-eager mobility services are driving towards use millimeter-wave (mmW) frequencies (24.25-52.6 GHz). A characteristic propagation at mmW is severe path loss attenuation that can be...

Smart Repeaters (SR) can potentially enhance the coverage in Millimeter-wave (mmWave) wireless communications. However, angular of existing two-panel SR is too limited to make a truly cost-effective mmWave range extender. This paper proposes usage tri-sectoral Advanced (ASR) extend with respect conventional SR. We propose multi-user precoder optimization for ASR downlink multi-carrier communication system maximize number served User Equipments (UEs) while guaranteeing constraints on per-UE...

This paper tackles the challenge of wideband MIMO channel estimation within indoor millimeter-wave scenarios. Our proposed approach exploits integrated sensing and communication paradigm, where information aids in estimation. The key innovation consists employing both spatial temporal modes to significantly reduce number required training pilots. Moreover, our algorithm addresses corrects potential mismatches between modes, which can arise from differing propagation paths. Extensive...

Electromagnetic skins (EMSs) are recognized for enhancing communication performance, spanning from coverage to capacity. While much of the scientific literature focuses on reconfigurable intelligent surfaces that dynamically adjust phase configurations over time, this study takes a different approach by considering low-cost static passive curved EMS (CEMS)s. These pre-configured during manufacturing conform shape irregular surfaces, e.g., car doors, effectively transforming them into...

The sixth generation (6G) of wireless networks introduces integrated sensing and communication (ISAC), a technology in which functionalities are inextricably linked, sharing resources across time, frequency, space, energy. Despite its popularity communication, the orthogonal frequency division multiplexing (OFDM) waveform, while advantageous for has limitations performance within an ISAC network. This paper delves into OFDM waveform design through optimal resource allocation over energy,...

Recent advances in Vehicle-to-Everything (V2X) technology and the upcoming sixth-generation (6G) network will dawn a new era for vehicular services with enhanced communication capabilities. Connected Autonomous Vehicles (CAVs) are expected to deliver transportation experience, increasing safety efficiency of road networks. The use millimeter-wave (mmW) frequencies guarantees huge amount bandwidth (> 1GHz) high data rate 10Gbit/s), which required CAVs applications. However, frequency is...

Smart Repeaters (SR) can potentially enhance the coverage in Millimeter-wave (mmWave) wireless communications. However, angular of existing two-panel SR is too limited to make a truly cost-effective mmWave range extender. This paper proposes usage tri-sectoral Advanced (ASR) extend with respect conventional SR. We propose multi-user precoder optimization for ASR downlink multi-carrier communication system maximize number served User Equipments (UEs) while guaranteeing constraints on per-UE...

This paper tackles the challenge of wideband MIMO channel estimation within indoor millimeter-wave scenarios. Our proposed approach exploits integrated sensing and communication paradigm, where information aids in estimation. The key innovation consists employing both spatial temporal modes to significantly reduce number required training pilots. Moreover, our algorithm addresses corrects potential mismatches between modes, which can arise from differing propagation paths. Extensive...

Integrated Sensing and Communication (ISAC) is one of the key pillars envisioned for 6G wireless systems. ISAC systems combine communication sensing functionalities over a single waveform, with full resource sharing. In particular, waveform design legacy Orthogonal Frequency Division Multiplexing (OFDM) consists suitable time-frequency allocation policy balancing between performance. Over time and/or frequency, having unused resources leads to an ambiguity function high sidelobes that...

Integrated sensing and communication (ISAC) is one of the key technologies future 6G networks. Waveform design for ISAC systems shall guarantee a flexible performance trade-off with full time-frequency-space resource sharing minimal added hardware/complexity. Legacy schemes based on orthogonal frequency division multiplexing (OFDM) or (OTFS) are currently subject to regulatory bandwidth constraints, limiting delay/range resolution requiring advanced processing schemes. This paper proposes...

Integrated Sensing and Communication (ISAC) systems are recognised as one of the key ingredients sixth generation (6G) network. A challenging topic in ISAC is design a single waveform combining both communication sensing functionalities on same time-frequency-space resources, allowing to tune performance with partial or full hardware sharing. This paper proposes dual-domain approach that superposes onto frequency-time (FT) domain legacy orthogonal frequency division multiplexing (OFDM)...

Distributed resource allocation (RA) schemes have been introduced in cellular vehicle-to-everything (C-V2X) standard for vehicle-to-vehicle (V2V) sidelink (SL) communications to share the limited spectrum (sub-6GHz) efficiently. However, recent progress connected and automated vehicles mobility services requires a huge amount of available resources. Therefore, millimeter-wave sub-THz frequencies are being considered as they offer large free bandwidth. require beamforming techniques...