Results 31 to 40 of about 824 (179)
Mobile Base Station User Scheduling Optimization Algorithm Based on Graph Neural Network
Engineering Reports, Volume 8, Issue 5, May 2026.Multicell and multiuser downlink joint transmission wireless communication system. ABSTRACT With the upgrading of mobile communication technology and the rise of the mobile communications industry, the mobile Internet is booming. However, mobile Internet networks are facing the next technological revolution due to the explosive growth of mobile devices,
Jingya Zhang
wiley +1 more source
Effect of Unpredictable Interference on MU-MIMO Systems in HetNet
IEEE Access, 2018 In this paper, we investigate the outage probability of a multiuser multiple-input multipleoutput (MU-MIMO) system in the heterogeneous network (HetNet) in the presence of unpredictable interference (UI) from coexisting ad hoc systems.
Seokwon Lee +4 more
doaj +1 more source
Nanophotonics, Volume 15, Issue 8, 24 April 2026.This research leverages advanced monolithic silicon‐photonics integrated‐circuit manufacturing technology with strategic electrical‐to‐optical signal conversions, differential intensity‐modulation technique, and dual rail‐to‐rail photodetection architecture to realize an on‐chip photonic‐electronic sign‐sign dot‐product accelerator achieving 8.92‐Gb/s ...
Sumilak Chaudhury +5 more
wiley +1 more source
Joint Modulation Classification and User Number Detection for Multiuser MIMO-STBC Systems
Information, 2016 The research on non-cooperative multiuser multiple-input multiple-output with space-time block code (MIMO-STBC) communication systems is a challenging and important task. However, to our knowledge, there is little report of this topic.
Guobing Qian, Zongli Ruan, Jianqi Lu
doaj +1 more source
Low Complexity Hybrid Precoding Designs for Multiuser mmWave/THz Ultra Massive MIMO Systems
Sensors, 2021 Millimeter-wave and terahertz technologies have been attracting attention from the wireless research community since they can offer large underutilized bandwidths which can enable the support of ultra-high-speed connections in future wireless ...
João Pedro Pavia +6 more
doaj +1 more source
5G new radio multiuser precoding in geostationary satellite networks
International Journal of Satellite Communications and Networking, Volume 44, Issue 1, Page 60-72, January/February 2026.This work evaluates the standardized 5G new radio codebooks for closed‐loop multiuser precoding in GEO multibeam scenarios and derives a list of recommended 3GPP standard modifications for a proper support to GEO mission needs. Summary The multiuser precoding procedures standardized by the 3rd Generation Partnership Project (3GPP) for new radio (NR ...
Xavier Artiga, Miguel Ángel Vázquez
wiley +1 more source
Adaptive Hybrid Precoding for Multiuser Massive MIMO [PDF]
IEEE Communications Letters, 2016 Hybrid precoding (HP) is widely utilized in millimeter wave-based massive MIMO systems with significantly reduced radio frequency (RF) chains, but it requires a large number of analog phase shifters (APSs) and RF adders to realize the connection between RF chains and antenna elements.
Xudong Zhu +3 more
openaire +2 more sources
A Massive Grant‐Free Random Access Scheme Based on Spectrum Sensing and Preamble Delay
IET Communications, Volume 20, Issue 1, January/December 2026.This paper introduces cognitive radio (CR) and preamble delay (PD) to reduce access collisions, together with non‐orthogonal multiple access (NOMA) to improve spectrum efficiency, and thus proposes an efficient CR‐NOMA‐PD‐based massive grant‐free random multiple access scheme.
Jing Zhang +5 more
wiley +1 more source
IET Communications, Volume 20, Issue 1, January/December 2026.This paper introduces SQUID, a high‐performance, low‐complexitydetection framework designed for massive MIMO systems. By integrating spatialmodulation with compressive sensing, SQUID leverages the inherent sparsity ofSQSM to outperform traditional detectors while significantly reducingcomputational overhead.
Setareh Dehghanfard +2 more
wiley +1 more source
Performance Evaluation of Uplink Multiuser MIMO-OFDM System With Single RF Chain Receiver
IEEE Access, 2022 In response to the recent increase in wireless-traffic demand in various wireless communication networks, the number of spatial multiplexings, represented by multiple input multiple output (MIMO) systems, has been increasing.
Tomoki Murakami +3 more
doaj +1 more source