Signal detection for underwater IoT devices with long and sparse channels

S Jing, J Hall, YR Zheng, C Xiao - IEEE Internet of Things …, 2020 - ieeexplore.ieee.org
Underwater acoustic communication often suffers from extended channel impulse response
(CIR) and large Doppler spread such that signals become difficult to detect and decode. For …

Probability-distribution-based node pruning for sphere decoding

T Cui, S Han, C Tellambura - IEEE Transactions on Vehicular …, 2012 - ieeexplore.ieee.org
Node pruning strategies based on probability distributions are developed for maximum-
likelihood (ML) detection for spatial-multiplexing multiple-input–multiple-output (MIMO) …

Likelihood-based tree search for low complexity detection in large MIMO systems

S Agarwal, AK Sah… - IEEE Wireless …, 2017 - ieeexplore.ieee.org
A recently reported result on large/massive multiple-input multiple-output (MIMO) detection
shows the utility of the branch and bound (BB)-based tree search approach for this problem …

A low-complexity optimal sphere decoder for differential spatial modulation

Z Li, X Cheng, S Han, M Wen… - 2015 IEEE Global …, 2015 - ieeexplore.ieee.org
Motivated by the concept of spatial modulation (SM), a differential scheme has been recently
proposed. This scheme, termed as differential (D-) SM, dispenses with channel estimation …

Efficient detection for MIMO systems based on gradient search

MX Chang, WY Chang - IEEE Transactions on Vehicular …, 2016 - ieeexplore.ieee.org
Multiple-input-multiple-output (MIMO) technology can efficiently use the spectrum to
increase the communication throughput. Designing low-complexity detection algorithms with …

Enhancement of k-best sphere detection algorithm performance in MIMO systems

MQ Sulttan - IOP Conference Series: Materials Science and …, 2019 - iopscience.iop.org
Due to the rapid development of our life toward a life with high-quality communication
systems, which require large data rates for transfer such as Long Term Evolution (LTE) …

Probabilistic Searching for MIMO Detection Based on Lattice Gaussian Distribution

Z Wang, C Ling, S Jin, Y Huang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, a deterministic sampling decoding strategy for multiple-input multiple output
(MIMO) systems is studied, which performs probabilistic searching according to a probability …

Stability analysis in Gram‐Schmidt QR decomposition

RT Kobayashi, T Abrão - IET Signal Processing, 2016 - Wiley Online Library
In this study, important aspects concerning the stability of the QR decomposition (QRD)
through the modified Gram‐Schmidt (GS) orthogonalisation procedure with application in …

Reduced complexity K-best sphere decoding algorithms for ill-conditioned MIMO channels

I Al-Nahhal, M Alghoniemy, O Muta… - 2016 13th IEEE …, 2016 - ieeexplore.ieee.org
The traditional K-best sphere decoder retains the best K-nodes at each level of the search
tree; these K-nodes, include irrelevant nodes which increase the complexity without …

Low-complexity lattice reduction aided schnorr euchner sphere decoder detection schemes with MMSE and SIC pre-processing for MIMO wireless communication …

G Kapfunde, O Simpson, Y Sun - 2021 20th International …, 2021 - ieeexplore.ieee.org
The LRAD-MMSE-SIC-SE-SD (Lattice Reduction Aided Detection-Minimum Mean Squared
Error-Successive Interference Cancellation-Schnorr Euchner-Sphere Decoder) detection …