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Sungmook Lim, Gosan Noh, Jihaeng Heo, Hyungjong Kim and Daesik Hong,"OFDMA with Variable Tone Spaces", IEEE Wireless Comm. Magazine, Dec. 2012

[IEEE Wireless Commun. Mag.]
조회 22229
Status : Published 
Date : 2012-12 
Title : OFDMA with Variable Tone Spaces 
Authors : Sungmook Lim, Gosan Noh, Jihaeng Heo, Hyungjong Kim and Daesik Hong 
Journal : IEEE Wireless Comm. Magazine 
Abstract : Next generation wireless networks such as 3GPP long term evolution - advanced (LTE-A) demand enhanced system capacity for high quality multimedia services. Carrier aggregation (CA) based on orthogonal frequency division multiple access (OFDMA) has been introduced to achieve this. In CA, each component carrier can be located on a different frequency band and each user utilizing it moves at a different speed. This results in different channel characteristics for each user. Enhancing the system capacity in this environment requires a multiple access scheme that considers different channel characteristics among users. However, conventional OFDMA using fixed tone space (called OFDMAFTS)does not consider user-specific channel characteristics, resulting in capacity degradation.
In this article, we propose a new OFDMA system with variable tone spaces (OFDMA-VTS) as an approach to enhancing the system capacity. OFDMA-VTS selects the tone space suitable for each user by considering user-specific channel characteristics in CA. When inter-symbol interference (ISI) is dominant due to a long delay spread, the small tone space is selected to eliminate severe ISI. Conversely, when inter-carrier interference (ICI) due to a large Doppler spread severely degrades the system performance, the large tone space is selected to compensate ICI. In the proposed OFDMA-VTS, each user adaptively selects the optimal tone space needed to minimize the total interference of ISI and ICI, therefore enhancing the system capacity. 
URL : http://ieeexplore.ieee.org/xpl/articleDe...er=6393526 
Download : http://mirinae.yonsei.ac.kr/?module=file...ff5b9ba7bb 

Lim, S.; Noh, G.; Heo, J.; Kim, H.; Hong, D.; , "OFDMA with variable tone spaces," Wireless Communications, IEEE , vol.19, no.6, pp.113-120, December 2012
doi: 10.1109/MWC.2012.6393526
keywords: {Bandwidth;Bit error rate;Delay;Doppler effect;OFDM;Synchronization;Transmitters;}
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6393526&isnumber=6393507

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160 [IEEE Trans. Veh. Technol.] Taehyung Kim, Yosub Park, Hyunsoo Kim,and Daesik Hong, "Cooperative Superposed Transmission in Cellular-based V2V Systems", IEEE Trans. Veh. Technol., Sep. 2019 Published  2019-09 
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157 [IEEE Trans. Wireless Commun.] Jaeyoung Choi, Beomju Kim, Kwonjong Lee, and Daesik Hong, "A Transceiver Design for Spectrum Sharing in Mixed Numerology Environments", IEEE Trans. on Wireless Comm., Mar. 2019 Published  2019-03 
156 [IEEE Trans. Veh. Technol.] Yosub Park, Taehyung Kim, and Daesik Hong, "Resource Size Control for Reliability Improvement in Cellular-based V2V Communication", IEEE Trans. Veh. Technol., Oct. 2018 file Published  2018-10 
155 [IEEE Trans. Wireless Commun.] Jinkyo Jeong, Yosub Park, Sungwoo Weon, Jintae Kim, Sooyong Choi, and Daesik Hong, "Eigendecomposition-Based GFDM for Interference-Free Data Transmission and Pilot Insertion for Channel estimation", IEEE Trans. on Wireless Comm., Aug. 2018 Published  2018-08 
154 [IEEE Access] Haesoon Lee, Yosub Park, and Daesik Hong, "Resource Split Full Duplex to Mitigate Inter-cell Interference in Ultra-Dense Small Cell Networks", IEEE Access, Jun. 2018 Published  2018-06 
153 [IEEE Access] Yosub Park, and Daesik Hong, "Theoretical Analysis of Interference Effect from Idle Cells in Ultra-dense Small Cell Networks", IEEE Access, Apr. 2018 Published  2018-04 
152 [IEEE Trans. Wireless Commun.] Jintae Kim, Yosub Park, Sungwoo Weon, Jinkyo Jung, Sooyong Choi, and Daesik Hong, "A New Filter-Bank Multicarrier System: The Linearly Processed FBMC System", IEEE Trans. on Wireless Comm., Apr. 2018 Published  2018-04 
151 [IEEE Wireless Commun. Lett.] Hyejin Kim, Insik Jung, Yosub Park, Wonsuk Chung, Sooyong Choi, and Daesik Hong, "Time Spread-Windowed OFDM for Spectral Efficiency Improvement", IEEE Wireless Comm. Letters, Feb. 2018 Published  2018-02 
150 [IEEE Access] Seokwon Lee, Seokjung Kim, Yosub Park, Sooyong Choi and Daesik Hong, "Effect of Unpredictable Interference on MU-MIMO Systems in HetNet", IEEE Access, Nov. 2017 Published  2017-11 
149 [IEEE Trans. Wireless Commun.] Yosub Park, Jihaeng Heo, Wonsuk Chung, Sungwoo Weon, Sooyong Choi, and Daesik Hong, "A New Link Adaptation Method to Mitigate SINR Mismatch in Ultra-dense Small Cell LTE Networks", IEEE Trans. on Wireless Comm., Nov. 2017 Published  2017-11 
148 [IEEE Commun. Lett.] Joonki Kim, Kwonjong Lee, Jintae Kim, Hano Wang, Minsoo Na, and Daesik Hong, "A Novel SCMA System for Coexistence of Active Users and Inactive Users", IEEE Comm. Letters, Aug 2017 Published  2017-08 
147 [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 Published  2017-07 
146 [IEEE Access] Kwonjong Lee, Joonki Kim, Yosub Park, Hanho Wang, and Daesik Hong, "Latency of Cellular-based V2X: Perspectives on TTI-proportional-latency and TTI-independent-latency", IEEE Access, Jul. 2017 file Published  2017-07 
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144 [IEEE Commun. Lett.] Yosub Park, Jihaeng Heo, and Daesik Hong, "Spectral Efficiency Analysis of Ultra-Dense Small Cell Networks with Heterogeneous Channel Estimation Capabilities", IEEE Comm. Letters, Apr. 2017 file Published  2017-04 
143 [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 
142 [IEEE Commun. Lett.] Joonki Kim, Seokjung Kim, Jonghyun Bang, and Daesik Hong, "Adaptive Mode Selection in D2D Communications Considering the Bursty Traffic Model", IEEE Comm. Letters, Jan 2016 file Published  2016-01 
141 [IEEE Comm. Surveys & Turotials] Dongkyu Kim, Haesoon Lee, and Daesik Hong, "A Survey of In-band Full-duplex Transmission: From the Perspective of PHY and MAC Layers", IEEE Comm. Surveys & Turotials file Published  2015-02 
140 [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 
139 [IEEE Trans. Veh. Technol.] Seunglae Kam, Dongkyu Kim, Haesoon Lee, and Daesik Hong, "Bi-directional Full-duplex Systems in a Multi-spectrum Environment", IEEE Trans. Veh. Technol., Sep. 2014 file Published  2014-09 
138 [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 
137 [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 
136 [IEEE Trans. Veh. Technol.] Dongkyu Kim,Sungsoo Park, Hyungsik Ju, Daesik Hong, "Transmission Capacity of Full-duplex based Two-way Ad-hoc Networks with ARQ Protocol", IEEE Trans. Veh. Technol., Jan. 2014 file Published  2014-01 
135 [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 
134 [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 
133 [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 
132 [IEEE Trans. Veh. Technol.] Dongkyu Kim, Hyungsik Ju, Sungsoo Park, and Daesik Hong, "Effects of Channel Estimation Error on Full-duplex Two-way Networks," IEEE Trans. Veh. Technol., Nov. 2013 file Published  2013-11 
131 [IEEE Commun. Lett.] Gosan Noh, Sungmook Lim, and Daesik Hong, "Exact Capacity Analysis of Spectrum Sharing Systems: Average Received-Power Constraint", IEEE Comm. Letters, May 2013 file Published  2013-05 
130 [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 
129 [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 
128 [IEEE Trans. Commun.] Jemin Lee, Jeffrey G. Andrews, and Daesik Hong, "Spectrum-Sharing Transmission Capacity with Interference Cancellation", IEEE Transactions on Communications, Jan. 2013 file Published  2013-01 
127 [IEEE Wireless Commun. Lett.] Jihaeng Heo, Gosan Noh, Sungsoo Park, Sungmook Lim and Daesik Hong, "Mobile TV White Space with Multi-Region based Mobility Procedure", IEEE Wireless Comm. Letters, Dec. 2012 file Published  2012-12 
» [IEEE Wireless Commun. Mag.] Sungmook Lim, Gosan Noh, Jihaeng Heo, Hyungjong Kim and Daesik Hong,"OFDMA with Variable Tone Spaces", IEEE Wireless Comm. Magazine, Dec. 2012 file Published  2012-12 
125 [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 
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84 [IEICE Trans. Commun.] Dongju Kim Kyunbyoung Ko Jeongho Park, Daesik Hong, "Average BER Analysis for Multicode 64-QAM CDMA Systems with an MPIC", IEICE Trans. Comm., Feb 2009 Published  2009-02 
83 [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 
82 [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 
81 [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 
80 [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 
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70 [IEICE Trans. Commun.] Jihyung Kim, Sangho Nam, Donjun Lee, Jonghan Kim, Jongdae Park, Daesik Hong, "Channel Estimation with a New Preamble Structure for a MIMO OFDM-based WLAN System", IEICE Trans. Commun., Feb. 2008 Published  2008-02 
69 [IEEE Trans. Veh. Technol.] Hyungjoon Song, Jihyung Kim and Daesik Hong, "Joint Doppler-Frequency Diversity for OFDM Systems Using Hybrid Interference Cancellation", IEEE Trans. Veh. Technol., Jan 2008 Published  2008-01 
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67 [IEEE Trans. Veh. Technol.] Junghoon Lee, Sungeun Lee, Keukjoon Bang, Sungkeun Cha and Daesik Hong, "Carrier Frequency Offset Estimation Using ESPRIT for Interleaved OFDMA Uplink Systems", IEEE Trans. Veh. Technol., Sep 2007 Published  2007-09 
66 [Other Journals] Myeongsu Han, Sungeun Lee, Sangmin Ro, Junghyun Kim, Takki Yu, Seungyoup Han and Daesik Hong, "Cooperative Diversity Performance for OFDM Transmission over Partially Jammed Channels", Int'l Journal of Elec. and Comm., July 2007 Published  2007-07 
65 [IEEE Signal Process. Lett.] Youngbo Cho, Sangmin Ro and Daesik Hong, "A New Channel Estimation Using Data-Dependent Pilot Symbols for MC-CDMA Systems With Chip Interleaving", IEEE SP Letters., Jun 2007 Published  2007-06 
64 [IEEE Trans. Veh. Technol.] Eunseok Ko and Daesik Hong, "A Robust STBC-Based Transmit Diversity Scheme for OFDM Systems Over Spatially Transmit Correlated Fading Channels", IEEE Trans. Veh. Technol., Mar 2007 Published  2007-03 
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