Results 21 to 30 of about 121,538 (312)
IEEE Access, 2021 5G new radio (NR) provides features such as enhanced mobile broadband (eMBB) services and massive machine-type communications (mMTC). Multiple-input multiple-output (MIMO) transmission is an essential technique to enable these features, using antenna ...
Wonjae Ryoo, Wonjin Sung
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Differential Data-Aided Beam Training for RIS-Empowered Multi-Antenna Communications
IEEE Access, 2022 The Reconfigurable Intelligent Surface (RIS) constitutes one of the prominent technologies for the next generation of wireless communications. It is envisioned to enhance the signal coverage in cases when the direct link of the communication is weak ...
Kun Chen-Hu +2 more
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A Review of Codebook Models in Patch-Based Visual Object Recognition [PDF]
, 2011 The codebook model-based approach, while ignoring any structural aspect in vision, nonetheless provides state-of-the-art performances on current datasets.
Niranjan, Mahesan +1 more
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CG-SCMA Codebook Design Based on Maximized Euclidian Distance
Journal of Telecommunications and Information Technology, 2023 Sparse code multiple access (SCMA) is a multi-dimensional codebook based on a class of non-orthogonal multiple access (NOMA) technologies enabling the delivery of non-orthogonal resource elements to numerous users in 5G wireless communications without ...
Sura S. Mohamed, Hikmat N. Abdullah
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Extended Codebook with Multispectral Sequences for Background Subtraction
Sensors, 2019 The Codebook model is one of the popular real-time models for background subtraction. In this paper, we first extend it from traditional Red-Green-Blue (RGB) color model to multispectral sequences.
Rongrong Liu +2 more
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Improvements on stochastic vector quantization of images [PDF]
, 1993 A novel nonadaptive fixed-rate vector quantizer encoding scheme is presented, and preliminary results are shown. The design of the codebook has been based on a stochastic approach in order to match a previously defined model for the image to be encoded ...
Torres Urgell, Lluís
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VQ-oriented data hiding based on adjustable error compensation strategy
Connection Science, 2021 Nowadays, we greatly depend on Internet mass transmission, of all kinds of data, including critical information among them. Therefore, secure communication is an important topic.
Chin-Chen Chang +3 more
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Utilization of Beam Signatures Supporting High User Mobility With Extremely Low Feedback Overhead
IEEE Access, 2022 Accurate beamforming under the constraint of limited-feedback for the channel state information (CSI) has always been a challenging task, despite its huge impact on the quality of multiple-input multiple-output (MIMO) transmission.
Sangchun Park, Wonjin Sung
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Vowel Phoneme Segmentation for Speaker Identification Using an ANN-Based Framework
Journal of Intelligent Systems, 2013 Vowel phonemes are a part of any acoustic speech signal. Vowel sounds occur in speech more frequently and with higher energy. Therefore, vowel phoneme can be used to extract different amounts of speaker discriminative information in situations where ...
Sarma Mousmita, Sarma Kandarpa Kumar
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Fast Codebook Generation Using Pattern Based Masking Algorithm for Image Compression
IEEE Access, 2021 Vector Quantization (VQ) is a classical block coding technique used for image compression which achieves high compression using simple encoding and decoding process.
Muhammad Bilal +2 more
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