Results 81 to 90 of about 15,939 (189)
Modulation Classification for MIMO-OFDM Signals via Approximate Bayesian Inference
, 2016 The problem of modulation classification for a multiple-antenna (MIMO) system employing orthogonal frequency division multiplexing (OFDM) is investigated under the assumption of unknown frequency-selective fading channels and signal-to-noise ratio (SNR).
Haimovich, Alexander M. +3 more
core +1 more source
IET Communications, Volume 19, Issue 1, January/December 2025.This paper presents SAMA, a simulator for 5G Radio Access Networks (RAN), designed to evaluate the performance of different network configurations. The diagram illustrates the simulator's workflow: from inputs such as base station (BS) and user equipment (UE) arrangements, SAMA simulates resource allocation and scheduling, considering interference.
Christian Fragoas F. Rodrigues +2 more
wiley +1 more source
Performance Analysis of Nonlinear SFBC OFDM Systems Over TWDP Fading Channel
IEEE Access, 2019 In this paper, the practical performance of space-frequency block code (SFBC)-based multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system in the presence of nonlinear power amplifier with imperfect channel state ...
Yipeng Du, Jian Liu, Yuan Chen
doaj +1 more source
IET Communications, Volume 19, Issue 1, January/December 2025.A novel deep reinforcement learning‐based interference alignment and power allocation scheme is proposed for multi‐user wireless avionics intra‐communications. The scheme effectively mitigates interference, improves spectral efficiency and fairness, and demonstrates robust and scalable performance across various network configurations and channel ...
Yuedong Zhuo +3 more
wiley +1 more source
Single-Carrier Modulation versus OFDM for Millimeter-Wave Wireless MIMO
, 2017 This paper presents results on the achievable spectral efficiency and on the energy efficiency for a wireless multiple-input-multiple-output (MIMO) link operating at millimeter wave frequencies (mmWave) in a typical 5G scenario.
Buzzi, Stefano +4 more
core +1 more source
TU‐AcqNet: A Transformer‐U‐Net Framework for Robust Channel Acquisition in THz UM‐MIMO Systems
IET Communications, Volume 19, Issue 1, January/December 2025.The novelty lies in its dual‐stage architecture that combines temporal sequence modelling with spatial feature reconstruction, enabling highly accurate channel parameter estimation even under sparse pilot constraints. ABSTRACT Accurate channel acquisition remains a fundamental challenge in terahertz (THz) ultra‐massive multiple‐input multiple‐output ...
Sarah A. Alzakari +3 more
wiley +1 more source
Novel MIMO Detection With Improved Complexity for Near-ML Detection in MIMO-OFDM Systems
IEEE Access, 2019 In this paper, a novel efficient algorithm for MIMO detection in MIMO-OFDM systems has been proposed. This paper also shows that the complexity can be greatly reduced by applying the threshold in the breadth-first tree search algorithm step to ...
Seung-Jin Choi +4 more
doaj +1 more source
Information, 2017 A turbo coded cooperative orthogonal frequency division multiplexing (OFDM) with multiple-input multiple-output (MIMO) antennas scheme is considered, and its performance over a fast Rayleigh fading channel is evaluated.
Rahim Umar, Fengfan Yang, Shoaib Mughal
doaj +1 more source
Multiuser MIMO-OFDM for Visible Light Communications
IEEE Photonics Journal, 2015 Visible light communication (VLC) is emerging as a promising technique to provide ubiquitous wireless connection. In this paper, a multiuser VLC system utilizing multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) is investigated.
Wang, Qi, Wang, Zhaocheng, Dai, Linglong
openaire +4 more sources
EFFICIENT ARCHITECTURE OF COMBINED RADIX DIF ALGORITHM FOR MIMO-OFDM APPLICATION
International Journal of Advances in Signal and Image Sciences, 2016 An efficient design of combined radix-2 Single path Delay Feedback (SDF)-Single path Delay Commutator (SDC)-Decimation In Frequency (DIF) algorithm is proposed in this paper which can be used in Orthogonal Frequency Division Multiplexing (OFDM) with ...
Pandiaraj P
doaj +1 more source