Search Results - "Sung, Hakjea"

  • Showing 1 - 14 results of 14
Refine Results
  1. 1

    Generalized Channel Inversion Methods for Multiuser MIMO Systems by SUNG, Hakjea, LEE, Sang-Rim, LEE, Inkyu

    Published in IEEE transactions on communications (01-11-2009)
    “…Block diagonalization (BD) is a well-known precoding method in multiuser multi-input multi-output (MIMO) broadcast channels. This scheme can be considered as a…”
    Get full text
    Journal Article
  2. 2

    Joint Optimization for One and Two-Way MIMO AF Multiple-Relay Systems by Lee, Kyoung-Jae, Sung, Hakjea, Park, Eunsung, Lee, Inkyu

    “…This paper considers both one-way and two-way relaying systems with multiple relays between two terminal nodes where all nodes have multiple-input…”
    Get full text
    Journal Article
  3. 3

    Linear precoder designs for K-user interference channels by SUNG, Hakjea, PARK, Seok-Hwan, LEE, Kyoung-Jae, LEE, Inkyu

    “…This paper studies linear precoding and decoding schemes for K-user interference channel systems. It was shown by Cadambe and Jafar that the interference…”
    Get full text
    Journal Article
  4. 4

    Regularized Transceiver Designs for Multi-User MIMO Interference Channels by PARK, Seok-Hwan, PARK, Haewook, SUNG, Hakjea, LEE, Inkyu

    Published in IEEE transactions on communications (01-09-2012)
    “…For multi-user interference channels (IC), an altruistic approach based on the zero-forcing (ZF) criterion shows the near-optimal performance at high…”
    Get full text
    Journal Article
  5. 5

    Spatial Multiplexing Gain for Two Interfering MIMO Broadcast Channels Based on Linear Transceiver by KIM, Jaesin, PARK, Seok-Hwan, SUNG, Hakjea, LEE, Inkyu

    “…In this letter, we provide an expression of spatial multiplexing gain (SMG) for two mutually interfering multiple-input multiple-output (MIMO) broadcast…”
    Get full text
    Journal Article
  6. 6

    Sum-Rate Maximization for Two-Way MIMO Amplify-and-Forward Relaying Systems by Kyoung-Jae Lee, Kwang Won Lee, Hakjea Sung, Inkyu Lee

    “…This paper considers two-way relaying systems with a multiple-input multiple-output (MIMO) relay between two MIMO terminal nodes. The two-way relaying protocol…”
    Get full text
    Conference Proceeding
  7. 7

    Linear Precoder Designs for Cognitive Radio Multiuser MIMO Downlink Systems by Kyoung-Jae Lee, Hakjea Sung, Inkyu Lee

    “…In this paper, we develop linear precoding methods for cognitive radio (CR) multi-user multiple-input multiple-output (MU-MIMO) broadcast systems where…”
    Get full text
    Conference Proceeding
  8. 8

    Sum Rate Analysis of Two-Cell MIMO Broadcast Channels: Spatial Multiplexing Gain by Jaesin Kim, Seok-Hwan Park, Hakjea Sung, Inkyu Lee

    “…In this paper, we provide a precise expression of the spatial multiplexing gain (SMG) for two mutually interfering multiple-input multiple-output (MIMO)…”
    Get full text
    Conference Proceeding
  9. 9

    An MMSE Based Block Diagonalization for Multiuser MIMO Downlink Channels with Other Cell Interference by Hakjea Sung, Kyoung-Jae Lee, Inkyu Lee

    “…In this paper, we develop a minimum mean-squared error (MMSE) based block diagonalization (BD) algorithm for multiuser multi-input multi-output (MIMO)…”
    Get full text
    Conference Proceeding
  10. 10

    Generalization of Channel Inversion Algorithms for Multiuser MIMO Downlink Systems by Hakjea Sung, Sang-Rim Lee, Inkyu Lee

    “…Recently a number of transmission schemes have been introduced to achieve sum capacity for multiuser multi- input multi-output (MIMO) broadcast channels (BC)…”
    Get full text
    Conference Proceeding
  11. 11

    A Two-Stage Precoding Method Based on Interference Alignment for Interference Channel Systems by Hakjea Sung, Seok-Hwan Park, Kyoung-Jae Lee, Inkyu Lee

    “…It was shown by Cadambe and Jafar that the interference alignment (IA) algorithm achieves the theoretical bound on degrees of freedom (DOF) for interference…”
    Get full text
    Conference Proceeding
  12. 12

    An Iterative Precoder Optimization Method for K-User Interference Channel Systems by Hakjea Sung, Kyoung-Jae Lee, Seok-Hwan Park, Inkyu Lee

    “…In this paper, we propose a linear preceding and decoding scheme maximizing the sum rate of abuser interference channel systems where each node has multiple…”
    Get full text
    Conference Proceeding
  13. 13

    Scheduling Methods with MIMO Interference Alignment for Mutually Interfering Broadcast Channels by Haewook Park, Seok-Hwan Park, Hakjea Sung, Inkyu Lee

    “…In this paper, we investigate an interference alignment (IA) technique introduced by Cadambe and Jafar in mutually interfering broadcast channels (IFBCs)…”
    Get full text
    Conference Proceeding
  14. 14

    Block diagonalization approach for amplify-and-forward relay systems in MIMO multi-user channels by Jeongho Hwang, Kyoung-Jae Lee, Hakjea Sung, Inkyu Lee

    “…In this paper, we consider a relay system in multiple-input multiple-output (MIMO) multi-user channels where a single MIMO relay is engaged in communication…”
    Get full text
    Conference Proceeding