17 citations · 23 across the 13 of their papers we have counts for
13 papers
Dither Signal Design for PAPR Reduction in OFDM-IM over a Rayleigh Fading Channel
Kee-Hoon Kim
Orthogonal frequency division multiplexing with index modulation (OFDM-IM) is a novel scheme where the information bits are conveyed through the subcarrier activation pattern (SAP)…
Low Complexity Suboptimal ML Detection for OFDM-IM Systems
Kee-Hoon Kim
Orthogonal frequency division multiplexing with index modulation (OFDM-IM) is a novel multicarrier scheme, which uses the k out of n subcarriers as active subcarriers to transmit d…
On the Phase Sequences and Permutation Functions in the SLM Scheme for OFDM-IM Systems
Kee-Hoon Kim
In orthogonal frequency division multiplexing with index modulation (OFDM-IM), the active subcarriers can convey information bits by modulated symbols as well as their indices. OFD…
New Constellation Design and Bit Mapping for Dual Mode OFDM-IM
Kee-Hoon Kim
Dual mode orthogonal frequency division multiplexing with index modulation (DM-OFDM-IM) is recently proposed, which modulates all subcarriers to eliminate the limits of spectrum ef…
PAPR Reduction in OFDM-IM Using Multilevel Dither Signals
Kee-Hoon Kim
Orthogonal frequency division multiplexing with index modulation (OFDM-IM) is a novel multicarrier scheme, which uses the indices of the active subcarriers to transmit data. OFDM-I…
On the Shift Value Set of Cyclic Shifted Sequences for PAPR Reduction in OFDM Systems
Kee-Hoon Kim
Orthogonal frequency division multiplexing (OFDM) signals have high peak-to-average power ratio (PAPR), which causes distortion when OFDM signal passes through a nonlinear high pow…
On the Properties of Cubic Metric for OFDM Signals
Kee-Hoon Kim, Jong-Seon No, Dong-Joon Shin
As a metric for amplitude fluctuation of orthogonal frequency division multiplexing (OFDM) signal, cubic metric (CM) has received an increasing attention because it is more closely…
OS effect in SLM schemes with correlation
Jun Young Woo, Kee Hoon Kim, Jong Seon No +1
BER is analyzed SLM schemes with correlation metric.
Deterministic Selection of Phase Sequences in Low Complexity SLM Scheme
Jun-Young Woo, Hyun-Seung Joo, Kee-Hoon Kim +2
Selected mapping (SLM) is a suitable scheme, which can solve the peak-to-average power ratio (PAPR) problem. Recently, many researchers have concentrated on reducing the computatio…
Low-Complexity Demodulation for Interleaved OFDMA Downlink System Using Circular Convolution
Hyun-Seung Joo, Kee-Hoon Kim, Jong-Seon No +1
In this paper, a new low-complexity demodulation scheme is proposed for interleaved orthogonal frequency division multiple access (OFDMA) downlink system with N subcarriers and M u…
Adaptive Generation Method of OFDM Signals in SLM Schemes for Low-complexity
Kee-Hoon Kim, Hyun-Seung Joo, Jong-Seon No +1
There are many selected mapping (SLM) schemes to reduce the peak-to-average power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) signals. Beginning with the conv…
Fast Correlation Computation Method for Matching Pursuit Algorithms in Compressed Sensing
Kee-Hoon Kim, Hosung Park, Seokbeom Hong +2
There have been many matching pursuit algorithms (MPAs) which handle the sparse signal recovery problem a.k.a. compressed sensing (CS). In the MPAs, the correlation computation ste…
A New Low-Complexity Selected Mapping Scheme Using Cyclic Shifted IFFT for PAPR Reduction in OFDM Systems
Kee-Hoon Kim, Hyun-Bae Jeon, Jong-Seon No +1
In this paper, a new peak-to-average power ratio (PAPR) reduction scheme for orthogonal frequency division multiplexing (OFDM) is proposed based on the selected mapping (SLM) schem…