Search Results - "Namyoon Lee"

MAP Support Detection for Greedy Sparse Signal Recovery Algorithms in Compressive Sensing by Lee, Namyoon

“…A reliable support detection is essential for a greedy algorithm to reconstruct a sparse signal accurately from compressed and noisy measurements. This paper…”
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Power Control for D2D Underlaid Cellular Networks: Modeling, Algorithms, and Analysis by Namyoon Lee, Xingqin Lin, Andrews, Jeffrey G., Heath, Robert W.

“…This paper proposes a random network model for a device-to-device (D2D) underlaid cellular system using stochastic geometry and develops centralized and…”
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Spatial Lattice Modulation for MIMO Systems by Choi, Jiwook, Nam, Yunseo, Lee, Namyoon

“…This paper proposes spatial lattice modulation (SLM), a spatial modulation method for multiple-input multiple-output (MIMO) systems. The key idea of SLM is to…”
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Bayesian Matching Pursuit: A Finite-Alphabet Sparse Signal Recovery Algorithm for Quantized Compressive Sensing by Nam, Yunseo, Lee, Namyoon

“…In this letter, we consider the problem of detecting finite-alphabet sparse signals from noisy and coarsely quantized measurements. To solve this problem, we…”
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A Weighted Minimum Distance Decoding for Uplink Multiuser MIMO Systems With Low-Resolution ADCs by Hong, Song-Nam, Kim, Seonho, Lee, Namyoon

“…This paper considers an uplink multiuser multiple-input-multiple-output (MIMO) system with low-resolution analog-to-digital converters (ADCs), in which K users…”
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On the Optimal Feedback Rate in Interference-Limited Multi-Antenna Cellular Systems by Jeonghun Park, Namyoon Lee, Andrews, Jeffrey G., Heath, Robert W.

“…We consider a downlink cellular network where multi-antenna base stations (BSs) transmit data to single-antenna users by using one of two linear precoding…”
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Aligned Interference Neutralization and the Degrees of Freedom of the Two-User Wireless Networks with an Instantaneous Relay by Lee, Namyoon, Wang, Chenwei

“…A conventional relay causes a processing delay of at least one symbol duration relative to the direct paths between a source and a destination. This delay…”
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Degrees of Freedom of the MIMO Y Channel: Signal Space Alignment for Network Coding by Lee, Namyoon, Lim, Jong-Bu, Chun, Joohwan

“…In this paper, we study a network information flow problem for a multiple-input-multiple-output (MIMO) Gaussian wireless network with three users each equipped…”
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Spectral Efficiency of Dynamic Coordinated Beamforming: A Stochastic Geometry Approach by Namyoon Lee, Morales-Jimenez, David, Lozano, Angel, Heath, Robert W.

“…This paper characterizes the performance of coordinated beamforming with dynamic clustering. A downlink model based on stochastic geometry is put forth to…”
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Soft-Output Detector for Uplink MU-MIMO Systems With One-Bit ADCs by Hong, Song-Nam, Lee, Namyoon

“…We consider an uplink multiuser multiple-input multiple-output (MU-MIMO) system with one-bit analog-to-digital converters (ADCs). In this system, numerous…”
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A blind interference management technique for the K-user interference channel with ISI: Interference-free OFDM by Namyoon Lee

“…This paper considers a K-user single-input-single-output interference channel with inter-symbol interference (ISI), in which the channel coefficients are…”
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Adaptive Feedback Scheme on K-Cell MISO Interfering Broadcast Channel with Limited Feedback by LEE, Namyoon, SHIN, Wonjae

“…In this paper, we study a K-cell multiple input single-output interfering broadcast channel (MISO-IFBC) with finite rate feedback. In this channel, we first…”
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Space-Time Interference Alignment and Degree-of-Freedom Regions for the MISO Broadcast Channel With Periodic CSI Feedback by Namyoon Lee, Heath, Robert W.

“…This paper characterizes the degree-of-freedom (DoF) regions for the multiuser vector broadcast channel with periodic channel state information (CSI) feedback…”
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On the Design of Interference Alignment Scheme for Two-Cell MIMO Interfering Broadcast Channels by SHIN, Wonjae, LEE, Namyoon, LIM, Jong-Bu, SHIN, Changyong, JANG, Kyunghun

“…The interference alignment (IA) is a promising technique to effectively mitigate interferences in wireless communication systems. To show the potential…”
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Index Coding With Coded Side-Information by Namyoon Lee, Dimakis, Alexandros G., Heath, Robert W.

“…This letter investigates a new class of index coding problems. One sender broadcasts packets to multiple users, each desiring a subset, by exploiting prior…”
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Advanced interference management technique: potentials and limitations by Namyoon Lee, Heath, Robert W.

“…Interference management has the potential to improve spectrum efficiency in current and next generation wireless systems (e.g., 3GPP LTE and IEEE 802.11)…”
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Feedback Design for Multi-Antenna K -Tier Heterogeneous Downlink Cellular Networks by Jeonghun Park, Namyoon Lee, Heath, Robert W.

“…We characterize the ergodic spectral efficiency of a non-cooperative and a cooperative type of K -tier heterogeneous network with limited feedback. In the…”
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Space-Time Physical-Layer Network Coding by Namyoon Lee, Heath, Robert W.

“…A space-time physical-layer network coding (ST-PNC) method is presented for information exchange among multiple users over fully connected multiway relay…”
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Distributed Space-Time Interference Alignment With Moderately Delayed CSIT by Namyoon Lee, Tandon, Ravi, Heath, Robert W.

“…This paper proposes an interference alignment method with distributed and delayed channel state information at the transmitter (CSIT) for a class of…”
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Degrees of Freedom and Achievable Rate of Wide-Band Multi-Cell Multiple Access Channels With No CSIT by Yo-Seb Jeon, Namyoon Lee, Tandon, Ravi

“…This paper considers a K-cell multiple access channel with inter-symbol interference. The primary finding of this paper is that, without instantaneous channel…”
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