H. Kim

Publications204
h-index21
Citations1,639
Highly Influential Citations59
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Layered-Division-Multiplexing: Theory and Practice
  • Liang Zhang, Wei Li, J. Montalbán
  • Computer Science, Business
    IEEE Transactions on Broadcasting
  • 12 January 2016
TLDR
A detailed overview of the fundamental advantages of the LDM over the traditional TDM/FDM systems are analyzed from information theory point of view, and the efficient implementation of LDM in the ATSC 3.0 system is presented to show that the performance advantages are obtained with small additional complexity.
Channel capacity distribution of Layer-Division-Multiplexing system for next generation digital broadcasting transmission
TLDR
The analysis reveals that, for delivering fixed and mobile TV services in the same RF channel, the LDM-based system provides much better efficient usage of the spectrum as compared to the single-layer Time-Division-Multiplexing (TDM) or Frequency-Divison-MultipleXing (FDM)-based systems.
Low Complexity Layered Division Multiplexing for ATSC 3.0
TLDR
Simulation and laboratory test results show that the proposed LDM system has significant performance advantage (3-9 dB) over traditional TDM systems, and maintains its performance up to the velocity of 260 km/h in mobile reception.
Efficient Transmission of Multiple Broadcasting Services Using LDM and SHVC
TLDR
Results show that the proposed LDM and SHVC combination provides significant gains on video service quality as well as reception robustness.
Transmitter Identification Signal Analyzer for Single Frequency Network
TLDR
Basic concept of the Kasami sequence used as the TxID signals, and their insertion method to the ATSC 8-VSB signals are presented and a theoretical approach to performance measurement of the TXID signal analyzer is discussed.
Equalization digital on-channel repeater in the single frequency networks
TLDR
Equalization DOCR (EDOCR) is introduced which regenerates the original 8-VSB output signal with relatively short time system processing delay and can eliminate the loop-back signal up to 5.5 dB with 5 /spl mu/s system processing Delay.
Cloud Transmission: System Performance and Application Scenarios
TLDR
The performance of Cloud Txn broadcasting system is described, which is designed to withstand combined noise, co-channel interference and multipath distortion power levels higher than the desired signal power.
Implementation Methodologies of Deep Learning-Based Signal Detection for Conventional MIMO Transmitters
TLDR
The DNN structure for one-tap MIMO channel can achieve the optimal maximum likelihood detection performance, and furthermore, the CNN and RNN structures for multipath fading channel can detect the transmitted signal properly.
Equalization On-Channel Repeater for Terrestrial Digital Multimedia Broadcasting System
TLDR
The proposed equalization OCR does not have only short processing delay, but also provides high quality transmitting signals with high power because of the rejection capability of a feedback signal introduced by incomplete antenna isolation and multipath signals existing between a main transmitter and the OCR.
Simplified non-uniform constellation demapping scheme for the next broadcasting system
TLDR
A simplified non-uniform constellation (NUC) demapping scheme for the next generation broadcasting systems which adopt NUC as an advanced modulation technique provides a reduced demapping complexity by considering only effective bits within a modulated symbol while the performance loss is negligible.
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