Initial Access & Beam Alignment for mmWave and Terahertz Communications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3161951
Abstract: The initial access in Millimeter wave (mmWave) 5G communications is very challenging and time consuming. In general, mmWave and terahertz communications require the use of directional antennas to seek narrow beams. However, due to this… read more here.
Keywords: alignment; initial access; terahertz; beam alignment ... See more keywords
Codebook Design for Beam Alignment in Millimeter Wave Communication Systems
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2017.2730878
Abstract: Owing to abundant spectrum resources, millimeter wave (mmwave) communication promises to provide Gbps data rates, which, however, may be restricted by large path-loss. Thus, antenna arrays are commonly used along with beam alignment (BA) as… read more here.
Keywords: training codebook; millimeter wave; codebook design; beam alignment ... See more keywords
FALP: Fast Beam Alignment in mmWave Systems With Low-Resolution Phase Shifters
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2019.2941490
Abstract: Millimeter wave (mmWave) systems can enable high data rates if the link between the transmitting and receiving radios is configured properly. Fast configuration of mmWave links, however, is challenging due to the use of large… read more here.
Keywords: resolution; phase shifters; beam; beam alignment ... See more keywords
Intelligent Vehicle Network Routing With Adaptive 3D Beam Alignment for mmWave 5G-Based V2X Communications
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Intelligent Transportation Systems"
DOI: 10.1109/tits.2020.2973859
Abstract: 5G-based millimeter Waves (mmWave) systems have the prospective of enabling $>1Gbps$ communications in the Intelligent Transportation Systems (ITS). ITS relies on vehicle-to-everything (V2X) communications to share information among vehicles. However, the V2X Communications via existing… read more here.
Keywords: vehicle; v2x communications; beam; beam alignment ... See more keywords
Adaptive Beam Search for Initial Beam Alignment in Millimetre-Wave Communications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2022.3164533
Abstract: In this correspondence, we propose an adaptive beam search algorithm to solve the initial beam alignment problem in millimetre-wave communications, where there is neither prior knowledge on the instantaneous channel fading status nor the fading… read more here.
Keywords: beam; adaptive beam; beam search; beam alignment ... See more keywords
User Scheduling and Beam Alignment in mmWave Networks With a Large Number of Mobile Users
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2021.3074700
Abstract: In this paper, we study an optimal user scheduling with minimum beam alignment overhead in millimeter wave networks. The problem is posed as constrained Markov decision process (CMDP) with the goal of minimizing the average… read more here.
Keywords: tex math; inline formula; beam; user scheduling ... See more keywords
Compressive Sensing-Based Beam Alignment Schemes for Time-Varying Millimeter-Wave Channels
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2022.3205702
Abstract: This paper considers the implementation of compressive sensing (CS) approaches for beam alignment (BA) in multiuser millimeter wave (mmWave) MIMO systems. We particularly consider wideband time-varying channels in the practical low SNR regime. We examine… read more here.
Keywords: time; based beam; millimeter wave; time varying ... See more keywords
Learning-Based Beam Alignment for Uplink mmWave UAVs
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2022.3206714
Abstract: Unmanned aerial vehicles (UAVs) are the emerging vital components of millimeter wave (mmWave) wireless systems. Accurate beam alignment is essential for efficient beam based mmWave communications of UAVs with base stations (BSs). Conventional beam sweeping… read more here.
Keywords: beam; framework; uavs learning; learning based ... See more keywords
Computer Vision Aided mmWave Beam Alignment in V2X Communications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2022.3213541
Abstract: Visual information, captured for example by cameras, can effectively reflect the sizes and locations of the environmental scattering objects, and thereby can be used to infer communications parameters like propagation directions, receiver powers, as well… read more here.
Keywords: beam; computer vision; communications computer; beam alignment ... See more keywords
Fast Beam Alignment via Pure Exploration in Multi-Armed Bandits
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2022.3217131
Abstract: The beam alignment (BA) problem consists in accurately aligning the transmitter and receiver beams to establish a reliable communication link in wireless communication systems. Existing BA methods search the entire beam space to identify the… read more here.
Keywords: beam; armed bandits; pure exploration; multi armed ... See more keywords
Adaptive optical beam alignment and link protection switching for 5G-over-FSO.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.426551
Abstract: Free-space optics (FSO) convey an enormous potential for ultra-high-capacity seamless fiber-wireless transmission in 5G and beyond communication systems. However, for its practical exploitation in future deployments, FSO still requires the development of very high-precision and… read more here.
Keywords: optical beam; beam alignment; fso; alignment ... See more keywords