Search Results - "LEE, Kyungchun"
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Uplink Interference Alignment for Two-Cell MIMO Interference Channels
Published in IEEE transactions on vehicular technology (01-05-2013)“…In this paper, we present uplink interference alignment (IA) schemes for two-cell multiple-input-multiple-output (MIMO) channels. Assuming that each cell has K…”
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2
Doubly Ordered Sphere Decoding for Spatial Modulation
Published in IEEE communications letters (01-05-2015)“…In this study, novel ordering algorithms of sphere decoding (SD) for spatial modulation (SM) are proposed to reduce the computational complexity. In the…”
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3
Dual-polarized IRS-assisted wireless network: relative phase modulation
Published in EURASIP journal on wireless communications and networking (08-05-2024)“…The metasurface is a promising technology that can help next-generation wireless communication systems not only improve the signal-to-noise ratio (SNR), but…”
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Interference Alignment for Multicell Multiuser MIMO Uplink Channels
Published in IEEE transactions on vehicular technology (01-07-2016)“…This paper proposes a linear interference alignment (IA) scheme, which can be used for uplink channels in a general multicell multiuser…”
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5
Deep Learning-Aided Signal Enumeration for Lens Antenna Array
Published in IEEE access (2022)“…This work investigates a data-driven approach to detect the number of incoming signals for a lens antenna array (LAA). First, the energy-focusing property of…”
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6
MIMO-assisted hard versus soft decoding-and-forwarding for network coding aided relaying systems
Published in IEEE transactions on wireless communications (01-01-2009)“…This paper proposes two types of new decoding algorithms for a network coding aided relaying (NCR) system, which adopts multiple antennas at both the…”
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7
Learning-Aided Deep Path Prediction for Sphere Decoding in Large MIMO Systems
Published in IEEE access (01-01-2020)“…In this paper, we propose a novel learning-aided sphere decoding (SD) scheme for large multiple-input-multiple-output systems, namely, deep path…”
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Joint hybrid-precoding design for MU-MISO systems with a subconnected architecture
Published in EURASIP journal on wireless communications and networking (25-01-2023)“…In this study, we propose a joint hybrid-precoding algorithm for multiuser multiple-input single-output downlink systems. Specifically, we consider that the…”
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Low-Complexity Sphere Search-Based Adaptive Spatial Modulation
Published in IEEE transactions on vehicular technology (01-08-2018)“…This correspondence paper proposes a low-complexity adaptive spatial modulation (ASM) scheme, which is based on sphere search (SS). To find the optimal ASM…”
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10
Low-Complexity SIC Detection Algorithms for Multiple-Input Multiple-Output Systems
Published in IEEE transactions on signal processing (01-09-2015)“…A new design for successive interference cancellation (SIC) detection for multiple-input multiple-output systems is introduced, and it is developed on the…”
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11
Adaptive Perturbation-Aided Opportunistic Beamforming
Published in IEEE communications letters (01-08-2018)“…This letter proposes a novel opportunistic beamforming algorithm, called adaptive perturbation-aided opportunistic beamforming. In each time slot, the proposed…”
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12
ML Symbol Detection Based on the Shortest Path Algorithm for MIMO Systems
Published in IEEE transactions on signal processing (01-11-2007)“…This paper presents a new maximum likelihood (ML) symbol detection algorithm for multiple-input multiple-output (MIMO) systems. To achieve the ML performance…”
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13
Resource-efficient wireless relaying protocols
Published in IEEE wireless communications (01-04-2010)“…Relay-aided communication is considered one of the key techniques to achieve high throughput at low cost in future wireless systems. However, when transmitting…”
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14
Short-Packet URLLCs for MIMO Underlay Cognitive Multihop Relaying With Imperfect CSI
Published in IEEE access (2023)“…In this work, we investigate short-packet communications for multiple-input multiple-output underlay cognitive multihop relay networks with multiple primary…”
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15
Intelligent Radio Signal Processing: A Survey
Published in IEEE access (2021)“…Intelligent signal processing for wireless communications is a vital task in modern wireless systems, but it faces new challenges because of network…”
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16
Energy-Efficient Hybrid Beamforming with Variable and Constant Phase Shifters
Published in Applied sciences (01-11-2019)“…In this paper, the authors propose a novel partially connected hybrid beamforming (PC-HBF) architecture, which employs variable phase shifters (VPSs) and…”
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Adaptive Threshold-Aided K-Best Sphere Decoding for Large MIMO Systems
Published in Applied sciences (01-11-2019)“…This paper proposes an adaptive threshold-aided K-best sphere decoding (AKSD) algorithm for large multiple-input multiple-output systems. In the proposed…”
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18
Cell Coverage Extension With Orthogonal Random Precoding for Massive MIMO Systems
Published in IEEE access (2017)“…In this paper, we investigate a coverage extension scheme based on orthogonal random precoding (ORP) for the downlink of massive multiple-input multiple-output…”
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Low-Complexity Incremental Search-Aided Hybrid Precoding and Combining for Massive MIMO Systems
Published in IEEE access (01-01-2020)“…The hybrid precoding and combining algorithms for mmWave massive multiple-input multiple-output (MIMO) systems must consider the trade-off between the…”
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20
Symbol detection in V-BLAST architectures under channel estimation errors
Published in IEEE transactions on wireless communications (01-02-2007)“…We introduce a modified vertical Bell laboratories layered space-time (V-BLAST) detection algorithm to reduce unexpected effects of the channel estimation…”
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