Status : Published 
Date : 2010-02 
Title : LLR-based Symbol Selective Transmission with a Near-optimal Threshold to Minimize BEP for Demodulation-forward Relay Systems 
Authors : Taehoon Kwon, Sungmook Lim, Woohyun Seo, and Daesik Hong 
Journal : IEEE Transactions on Wireless Communications 
Abstract : Error propagation in the source-relay link limits the performance of demodulation-forward (MF) relay systems. In order to solve this problem and efficiently exploit the relay, we propose log likelihood ratio (LLR)-based symbol selective transmission with a near-optimum threshold to minimize the bit error probability (BEP). In the proposed scheme, the source information is forwarded by the relay only if it is likely to be detected correctly, as determined by a comparison of the LLR with the near-optimum threshold. To derive the near-optimum threshold, the BEP of the proposed scheme is analyzed in the case of binary phase shift keying (BPSK) signals. Simulation results confirm the accuracy of the analysis and prove that the proposed scheme efficiently mitigates error propagation. 
URL : http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5403532 
Download : http://mirinae.yonsei.ac.kr/?module=file...a622ad961d 
Taehoon Kwon; Sungmook Lim; Woohyun Seo; Daesik Hong; , "LLR-based symbol selective transmission with a near-optimal threshold to minimize BEP for demodulation-forward relay systems," Wireless Communications, IEEE Transactions on , vol.9, no.2, pp.540-545, February 2010
doi: 10.1109/TWC.2010.02.090248
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5403532&isnumber=5403520
List of Articles
No.
Status Datesort
38 [IEEE Trans. Wireless Commun.] Kwonjong Lee, Yosub Park, Minsoo Na, Hanho Wang, and Daesik Hong, Aligned Reverse Frame Structure for Interference Mitigation in Dynamic TDD Systems", IEEE Trans. on Wireless Comm., Jul. 2017 update Accepted  2017-07 
37 [IEEE Trans. Wireless Commun.] Wonsuk Chung, Chanhong Kim, Sooyong Choi, and Daesik Hong, "Synchronization Sequence Design for FBMC/OQAM Systems", IEEE Trans. on Wireless Comm., Aug. 2016 file Published  2016-08 
36 [IEEE Trans. Wireless Commun.] Jonghyun Bang, Jemin Lee, Member, Seokjung Kim, and Daesik Hong, "An Efficient Relay Selection Strategy for Random Cognitive Relay Networks" IEEE Trans. Wireless Commun., Nov. 2014 file Published  2014-11 
35 [IEEE Trans. Wireless Commun.] Sungsoo Park, and Daesik Hong, "Achievable Throughput of Energy Harvesting Cognitive Radio Networks," IEEE Trans. Wireless Commun., Feb. 2014 file Published  2014-02 
34 [IEEE Trans. Wireless Commun.] Wonsuk Chung, Sungsoo Park, Sungmook Lim, and Daesik Hong, "Spectrum Sensing Optimization for Energy-Harvesting Cognitive Radio Systems", IEEE Trans. on Wireless Comm., Jan. 2014 file Published  2014-01 
33 [IEEE Trans. Wireless Commun.] Jihaeng Heo, Hyungsik Ju, Sungsoo Park, Eunsun Kim, and Daesik Hong, "Simultaneous Sensing and Transmission in Cognitive Radio," IEEE Transactions on Wireless Communications, Jan. 2014 file Published  2014-01 
32 [IEEE Trans. Wireless Commun.] Sungsoo Park and Daesik Hong, "Optimal Spectrum Access for Energy Harvesting Cognitive Radio Networks," IEEE Transactions on Wireless Communications, Dec. 2013 file Published  2013-12 
31 [IEEE Trans. Wireless Commun.] Sungmook Lim, Gosan Noh, Hyungjong Kim, and Daesik Hong, "Optimal Tone Space Selection Scheme for OFDMA-VTS in Carrier Aggregation," IEEE Trans. Wireless Commun., Nov. 2013 file Published  2013-11 
30 [IEEE Trans. Wireless Commun.] Sungsoo Park, Hyungjong Kim, and Daesik Hong, "Cognitive Radio Networks with Energy Harvesting," IEEE Trans. on Wireless Comm., Mar. 2013 file Published  2013-03 
29 [IEEE Trans. Wireless Commun.] Seokjung Kim, Sungsoo Park, and Daesik Hong, "Performance Analysis of Opportunistic Relaying Scheme with Outdated Channel Information," IEEE Trans. on Wireless Comm., Feb. 2013 file Published  2013-02 
28 [IEEE Trans. Wireless Commun.] Hyungjong Kim, Sungmook Lim, Hano Wang and Daesik Hong, "Optimal Power Allocation and Outage Analysis for Cognitive Full Duplex Relay Systems", IEEE Trans. Wireless Comm., Oct. 2012 file Published  2012-10 
27 [IEEE Trans. Wireless Commun.] Sungmook Lim, Hano Wang, Hyungjong Kim, and Daesik Hong,"Mean Value-based Power Allocation without Instantaneous CSI Feedback in Spectrum Sharing Systems" IEEE Trans. Wireless Comm., March 2012 file Published  2012-03 
26 [IEEE Trans. Wireless Commun.] Hyungjong Kim, Hano Wang, Sungmook Lim, and Daesik Hong,"On the Impact of Outdated Channel Information on the Capacity of Secondary User in Spectrum Sharing Environments" IEEE Trans. Wireless Comm., Jan 2012 file Published  2012-01 
25 [IEEE Trans. Wireless Commun.] Hyungsik Ju, Dongkyu Kim, H. Vincent Poor, and Daesik Hong,"Bi-Directional Beamforming and Its Capacity Scaling in Pairwise Two-Way Communications" IEEE Trans. Wireless Comm., Jan 2012 file Published  2012-01 
24 [IEEE Trans. Wireless Commun.] Hyunkee Min, Jemin Lee, Sungsoo Park, and Daesik Hong, "Capacity Enhancement Using an Interference Limited Area for Device-to-Device Uplink Underlaying Cellular Networks" IEEE Trans. Wireless Comm., Dec 2011 file Published  2011-12 
23 [IEEE Trans. Wireless Commun.] Hyungsik Ju, Xiaohu Shang, H. Vincent Poor, and Daesik Hong, "Bi-Directional Use of Spatial Resources and Effects of Spatial Correlation" IEEE Trans. Wireless Comm., Oct 2011 file Published  2011-10 
22 [IEEE Trans. Wireless Commun.] Sanguk Sagong, Jemin Lee, and Daesik Hong, "Capacity of Reactive DF Scheme in Cognitive Relay Networks" IEEE Trans. Wireless Comm., Oct 2011 file Published  2011-10 
21 [IEEE Trans. Wireless Commun.] Jemin Lee, Jeffrey G. Andrews, and Daesik Hong, "Spectrum-sharing Transmission Capacity" IEEE Trans. Wireless Comm., Sep 2011 file Published  2011-09 
20 [IEEE Trans. Wireless Commun.] Hyunkee Min, Woohyun Seo, Jemin Lee, Sungsoo Park, and Daesik Hong,"Reliability Improvement Using Receive Mode Selection in the Device-to-Device Uplink Period Underlaying Cellular Networks," IEEE Trans. Wireless Commun., Feb. 2011 file Published  2011-02 
19 [IEEE Trans. Wireless Commun.] Jemin Lee, Hano Wang, Jeffrey G. Andrews, and Daesik Hong, "Outage Probability of Cognitive Relay Networks with Interference Constraints," IEEE Trans. Wireless Commun., Feb. 2011 file Published  2011-02 
18 [IEEE Trans. Wireless Commun.] Sungsoo Park, Woohyun Seo, Youngju Kim, Sungmook Lim, and Daesik Hong, "Beam Subset Selection Strategy for Interference Reduction in Two-tier Femtocell Networks," IEEE Trans. Wireless Commun., Nov. 2010 file Published  2010-11 
17 [IEEE Trans. Wireless Commun.] Kyungchul Kwak, Sungeun Lee, Hyunkee Min, Sooyong Choi, and Daesik Hong, "New OFDM Channel Estimation with Dual-ICI Cancellation in Highly Mobile Channel," IEEE Trans. Wireless Commun., Oct. 2010 file Published  2010-10 
16 [IEEE Trans. Wireless Commun.] Youngju Kim, Sungeun Lee, and Daesik Hong, "Performance Analysis of Two-tier Femtocell Networks with Outage Constraints," IEEE Trans. Wireless Commun., Sept. 2010 file Published  2010-09 
» [IEEE Trans. Wireless Commun.] Taehoon Kwon, Sungmook Lim, Woohyun Seo and Daesik Hong, "LLR-based Symbol Selective Transmission with a Near-optimal Threshold to Minimize BEP for Demodulation-forward Relay Systems", IEEE Trans. Wireless Commun., Feb 2010 file Published  2010-02 
14 [IEEE Trans. Wireless Commun.] Hano Wang, Jemin Lee, Sungtae Kim and Daesik Hong, "Capacity Enhancement of Secondary Links through Spatial Diversity in Spectrum Sharing", IEEE Trans. Wireless Commun., Feb 2010 file Published  2010-02 
13 [IEEE Trans. Wireless Commun.] Jemin Lee, Hano Wang, Sungtae Kim, and Daesik Hong, "Sensing Threshold Control for Fair Coexistence of Heterogeneous Systems in Open Spectrum" IEEE Trans. Wireless Comm., Dec 2009 file Published  2009-12 
12 [IEEE Trans. Wireless Commun.] Hyungsik Ju, Eunsung Oh, Daesik Hong 'Improving Efficiency of Resource Usage in Two-Hop Full Duplex Relay Systems based on Resource Sharing and Interference Cancellation' IEEE Trans. Wireless Comm., Aug 2009 file Published  2009-08 
11 [IEEE Trans. Wireless Commun.] Jaemin Han, Eunsung Oh, Hyungsik Ju, Daesik Hong, "Asymmetric Diversity Modulation Scheme in Wireless Fading Relay Channels", IEEE Trans. Wireless. Comm., Jul 2009 file Published  2009-07 
10 [IEEE Trans. Wireless Commun.] Sungeun Lee, Myeongsu Han, Daesik Hong, 'Average SNR and Ergodic Capacity Analysis for Opportunistic DF Relaying with Outage over Rayleigh Fading Channels' IEEE Trans. Wireless Comm., Jun 2009 file Published  2009-06 
9 [IEEE Trans. Wireless Commun.] Hyunkee Min, Sungeun Lee, Kyungchul Kwak and Daesik Hong, "Effect of Multiple Antennas at the Source on Outage Probability for Amplify-and-Forward Relaying Systems", IEEE Trans. Wireless Comm., Feb 2009 file Published  2009-02 
8 [IEEE Trans. Wireless Commun.] Sungtae Kim, Hyungkyu Yu, Jemin Lee and Daesik Hong, "Low Bias Frequency Domain SNR Estimator using DCT in Mobile Fading Channel", IEEE Trans. Wireless Comm., Jan 2009 file Published  2009-01 
7 [IEEE Trans. Wireless Commun.] Woohyun Seo, Jemin Lee and Daesik Hong, "A new Asymptotic Analysis of Throughput enhancement from selection diversity using a high SNR approach in multiuser systems", IEEE Trans. Wireless Comm., Jan 2009 file Published  2009-01 
6 [IEEE Trans. Wireless Commun.] Jemin Lee, Hano Wang and Daesik Hong, "QoS-guaranteed Transmission Mode Selection for Efficient Resource Utilization in Multi-hop Cellular Networks", IEEE Trans. Wireless Comm., Oct 2008 file Published  2008-10 
5 [IEEE Trans. Wireless Commun.] Woohyun Seo, Myeongyon Cho and Daesik Hong, "A New Full-band Feedback Scheme Using the Adaptive Grouping Method in OFDMA Systems", IEEE Trans. Wireless Comm., Jun 2008 file Published  2008-06 
4 [IEEE Trans. Wireless Commun.] Kyungchul Kwak, Sungeun Lee, Jihyung Kim, Daesik Hong, "A New DFT-Based Channel Estimation Approach for OFDM with Virtual Subcarriers by Leakage Estimation", IEEE Trans. Wireless Comm., Jun 2008 file Published  2008-06 
3 [IEEE Trans. Wireless Commun.] Sungeun Lee, Kyungchul Kwak, Jihyung Kim and Daesik Hong, "Channel estimation approach with variable pilot density to mitigate interference over time-selective cellular OFDM systems" IEEE Trans. Wireless Comm., Dec 2007 file Published  2007-12 
2 [IEEE Trans. Wireless Commun.] Myeongyun. Cho, Woohyun Seo and Daesik Hong, "A joint feedback reduction scheme using delta modulation for dynamic channel allocation in OFDMA systems", IEEE Trans. Wireless Comm., Jan 2007 Published  2007-01 
1 [IEEE Trans. Wireless Commun.] Jeongho Park, Jihyung Kim, Myonghee Park, Kyunbyoung Ko, Changeon Kang and Daesik Hong, "Performance analysis of channel estimation for OFDM systems with residual timing offset", IEEE Trans. WComm., Jul 2006 Published  2006-07