Results 41 to 50 of about 15,939 (189)

Soft-input iterative channel estimation for bit-interleaved turbo-coded MIMO-OFDM systems

open access: yesSouth African Journal of Science, 2013
Bit-interleaved coded modulation (BICM) is a robust multiplexing technique for achieving multiplexing gain in multiple-input multiple-output (MIMO)-orthogonal frequency division multiplexing (OFDM) systems. However, in order to benefit maximally from the
Olutayo O. Oyerinde, Stanley H. Mneney
doaj   +1 more source

Spatial data stream multiplexing scheme for high-throughput WLANs [PDF]

open access: yes, 2008
A novel scheme using spatial data stream multiplexing (SDSM) in the upcoming multiple-input multipleoutput (MIMO)-based IEEE 802.11n physical layer is proposed.
Gravalos, AG   +3 more
core   +1 more source

Multiuser MIMO-OFDM for Next-Generation Wireless Systems

open access: yes, 2007
This overview portrays the 40-year evolution of orthogonal frequency division multiplexing (OFDM) research. The amelioration of powerful multicarrier OFDM arrangements with multiple-input multiple-output (MIMO) systems has numerous benefits, which are ...
Hanzo, L, Jiang, M
core   +2 more sources

Underwater Wireless Power Transfer for Unmanned Systems: State‐of‐the‐Art Review

open access: yesIET Power Electronics, Volume 19, Issue 1, January/December 2026.
This comprehensive review presents the state‐of‐the‐art in underwater wireless power transfer (UWPT) systems, focusing on magnetic field‐coupled or inductive power transfer (IPT) technologies for underwater unmanned equipment. ABSTRACT Underwater wireless power transfer (UWPT) systems are finding increasing use in underwater unmanned equipment, among ...
Shiqi Li, Shaochun Hou, Huan Wu, Bo Luo
wiley   +1 more source

Low Complexity V-BLAST MIMO-OFDM Detector by Successive Iterations Reduction

open access: yes, 2015
V-BLAST detection method suffers large computational complexity due to its successive detection of symbols. In this paper, we propose a modified V-BLAST algorithm to decrease the computational complexity by reducing the number of detection iterations ...
Abuelenin, Sherif   +3 more
core   +2 more sources

Circuit‐Theoretic Modeling and Simulation Study of Near‐Field MIMO Arrays of Dipole Antennas

open access: yesActive and Passive Electronic Components, Volume 2026, Issue 1, 2026.
Near‐field mutual coupling among closely spaced antennas limits the deployment of wireless MIMO interconnects in chip‐to‐chip communication. This paper presents a circuit‐theoretic modeling and simulation study of near‐field MIMO (NFMIMO) systems using 1 × 1 and 2 × 2 dipole arrays.
Abhishek Javali   +3 more
wiley   +1 more source

MIMO precoding for filter bank modulation systems based on PSVD [PDF]

open access: yes, 2011
In this paper we consider the design of a linearly precoded MIMO transceiver based on filter bank (FB) modulation for transmission over broadband frequency selective fading channels.
Moret, Nicola   +2 more
core   +1 more source

Optical Neuromorphic Technology Catalyzes the Next‐Generation Mobile Communication Technology

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 11, November 2025.
Advancements in optical computing could revolutionize next‐generation wireless communication. The review highlights the role of photonic integrated circuits in implementing neural network operations and discusses their benefits, such as high computational density.
Xiaoxiong Song   +6 more
wiley   +1 more source

Joint Subcarrier Allocation and Beamforming Optimization for IRS‐Assisted Multiuser MISO‐OFDMA Systems

open access: yesTransactions on Emerging Telecommunications Technologies, Volume 36, Issue 7, July 2025.
We introduce a novel model of an IRS‐assisted MU‐MISO‐OFDMA system. We aim to jointly optimize beamforming vectors, IRS reflection coefficients, and OFDM subcarrier allocation to maximize the overall sum rate. ABSTRACT In this article, we propose a novel resource allocation strategy for multiuser multiple‐input single‐output orthogonal frequency ...
Binh‐Minh Vu, Oh‐Soon Shin
wiley   +1 more source

Multiuser MIMO-OFDM systems using subcarrier hopping [PDF]

open access: yesIEE Proceedings - Communications, 2006
Recently space division multiple access (SDMA) assisted multiple-input–multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems invoking multiuser detection (MUD) techniques have attracted substantial research interest, which is capable of exploiting both transmitter multiplexing gain and receiver diversity gain.
Jiang, M, Hanzo, L
openaire   +2 more sources

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