Search Results - "CHUN, Joohwan"

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  1. 1

    An Improved Algebraic Solution for Moving Target Localization in Noncoherent MIMO Radar Systems by Yang, Heeseong, Chun, Joohwan

    Published in IEEE transactions on signal processing (01-01-2016)
    “…We propose an improved method for moving target localization with a noncoherent multiple-input multiple-output (MIMO) radar system having widely separated…”
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    Journal Article
  2. 2

    Degrees of Freedom of the MIMO Y Channel: Signal Space Alignment for Network Coding by Lee, Namyoon, Lim, Jong-Bu, Chun, Joohwan

    Published in IEEE transactions on information theory (01-07-2010)
    “…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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    Journal Article
  3. 3

    Adaptive beamforming for low-angle target tracking under multipath interference by Park, Dongmin, Yang, Eunjung, Ahn, Soyeon, Chun, Joohwan

    “…Angle of arrival estimation of a low-altitude target over the sea surface is a difficult problem due to the multipath coherent interference from the image…”
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    Journal Article
  4. 4

    ML Symbol Detection Based on the Shortest Path Algorithm for MIMO Systems by LEE, Kyungchun, CHUN, Joohwan

    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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    Journal Article
  5. 5

    Symbol detection in V-BLAST architectures under channel estimation errors by LEE, Kyungchun, CHUN, Joohwan

    “…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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    Journal Article
  6. 6

    Robust Cross-SCORE Algorithm Against Bit Transitions for GPS Interference Suppression by Joo, Inone, Choi, Sanghyouk, Chun, Joohwan, Sin, Cheonsig

    Published in IEEE communications letters (01-06-2017)
    “…In the blind beamforming technique utilizing self-coherence properties of GPS signals, the covariance matrices estimated from sample data, including the…”
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    Journal Article
  7. 7

    Modified High-Order PAMs for Binary Coded Physical-Layer Network Coding by HYUN JONG YANG, CHOI, Youngchol, CHUN, Joohwan

    Published in IEEE communications letters (01-08-2010)
    “…The non-binary code (NBC) or the lattice code (LC) has been the only possible channel code with the pulse amplitude modulation (PAM) signaling of modulation…”
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    Journal Article
  8. 8

    Improved Lattice Reduction-Aided MIMO Successive Interference Cancellation Under Imperfect Channel Estimation by PARK, Jaehyun, CHUN, Joohwan

    Published in IEEE transactions on signal processing (01-06-2012)
    “…Lattice reduction (LR) and successive interference cancellation (SIC) are two well-known techniques that can be used to improve detection performance over…”
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    Journal Article
  9. 9

    Degrees of Freedom for a MIMO Gaussian K -Way Relay Channel: Successive Network Code Encoding and Decoding by Lee, Namyoon, Chun, Joohwan

    Published in IEEE transactions on information theory (01-03-2014)
    “…This paper studies a network information flow problem for a multiple-input multiple-output (MIMO) Gaussian wireless network with K users and a single…”
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    Journal Article Conference Proceeding
  10. 10

    Computationally Efficient Relay Antenna Selection for AF MIMO Two-Way Relay Channels by Heesun Park, Joohwan Chun, Adve, R.

    Published in IEEE transactions on signal processing (01-11-2012)
    “…This correspondence develops a computationally efficient scheme to select a subset of relay antennas to maximize the achievable sum rate (ASR) of…”
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    Journal Article
  11. 11

    Hyperbolic Localization in MIMO Radar Systems by Yang, Heeseong, Chun, Joohwan, Chae, Daeyoung

    “…This letter addresses an effective algorithm for target localization in multiple-input-multiple-output (MIMO) radar systems with widely separated antennas. The…”
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    Journal Article
  12. 12

    Asymptotic Capacity of the Separated MIMO Two-Way Relay Channel by Hyun Jong Yang, Joohwan Chun, Paulraj, A.

    Published in IEEE transactions on information theory (01-11-2011)
    “…A multiple-input multiple-output two-way relay channel consisting of two communication nodes and a full-duplex relay node in which no direct link exists…”
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    Journal Article
  13. 13

    Location-Probability-Based Transmission Strategy for White Space Devices With Multiple Antennas in TV White Space by Um, Jungsun, Park, Jaehyun, Chun, Joohwan, Park, Seungkeun

    Published in IEEE transactions on vehicular technology (01-08-2016)
    “…In the TV white space, geolocation database techniques are utilized to manage white space devices (WSDs) or secondary users' operations over the digital…”
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    Journal Article
  14. 14

    Capacity and performance of lattice reduction aided linear processing with lattice encoding and decoding in limited feedback systems by Kim, Sungsoo, Chun, Joohwan

    “…Linear processing for multi-input multi-output (MIMO) antenna systems is preferred to non-linear ones for computational efficiency. Using channel state…”
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    Journal Article
  15. 15

    Spatiotemporal radar target identification using radar cross-section modeling and hidden Markov models by Cho, Hoonkyung, Chun, Joohwan, Lee, Taeseung, Lee, Seungjae, Chae, Daeyoung

    “…We propose a target identification scheme exploiting the temporal dependency and spatial structure of radar cross-section (RCS) measurements in low-frequency,…”
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    Journal Article
  16. 16

    A Stochastic CRB for Non-unitary Beam-space Transformations and its Application to Optimal Steering Angle Design by Choi, Sanghyouk, Chun, Joohwan, Paek, Inchan, Jang, Jonghun

    Published in IEEE signal processing letters (01-11-2015)
    “…Many of modern radar systems employ antenna arrays with thousands of anetnnas. These antennas are usually grouped into a few subarrays or beams through the…”
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    Journal Article
  17. 17

    Asymmetric Sum and Difference Beam Pattern Synthesis With a Common Weight Vector by Kwak, Semin, Chun, Joohwan, Park, Dongmin, Ko, Young Kwan, Cho, Byung Lae

    “…A radar with a large number of antennas requires efficient design in its feeding network or transmit/receive modules (TRMs). We propose a method for…”
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    Journal Article
  18. 18

    Efficient Lattice-Reduction-Aided Successive Interference Cancellation for Clustered Multiuser MIMO System by PARK, Jaehyun, CHUN, Joohwan

    Published in IEEE transactions on vehicular technology (01-10-2012)
    “…The lattice-reduction (LR)-aided successive interference cancellation (SIC) is a well-known detection technique achieving near-maximum-likelihood (ML)…”
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    Journal Article
  19. 19

    Lattice Reduction-Aided Successive Interference Cancelation for MIMO Interference Channels by Jaehyun Park, Clerckx, Bruno, Joohwan Chun, Byung Jang Jeong

    Published in IEEE transactions on vehicular technology (01-10-2014)
    “…In multiple-input-multiple-ouput (MIMO) interference channels (IFCs), interference alignment (IA) with zero-forcing (ZF) linear detection can be used to…”
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    Journal Article
  20. 20

    A SAR Autofocus Technique With MUSIC and Golden Section Search for Range Bins With Multiple Point Scatterers by Boyeon Koh, Sanghyouk Choi, Joohwan Chun

    Published in IEEE geoscience and remote sensing letters (01-08-2015)
    “…Many synthetic aperture radar (SAR) autofocus techniques use range bins containing a single dominant point scatterer to estimate the phase error by maximizing…”
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    Journal Article