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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

[IEEE Trans. Wireless Commun.]
조회 80399
Status : Published 
Date : 2007-12 
Title : Channel Estimation Approach with Variable Pilot Density to Mitigate Interference over Time-Selective Cellular OFDM Systems 
Authors : Sungeun Lee, Kyungchul Kwak, Jihyung Kim and Daesik Hong 
Journal : IEEE Transactions on Wireless Communications 
Abstract : We propose a new channel estimation technique to mitigate interference with the aid of pilot density discrepancy in a cellular OFDM system, especially for 3GPP systems. The proposed estimator applies interference mitigation to pilot symbols, using repeated interference features according to the pilot subcarrier distance. In order to use this property, the proposed estimator employs a specific pilot structure which consists of two types of pilot symbols with different pilot density. The combination of interference alleviation and pilot rearrangement not only makes the channel estimation robust to the time-selectivity of the channel but also reduces the number of pilot subcarriers needed to estimate the channel. To clarify the advantages of the proposed method, the average mean square errors (MSE) of the frequency channel estimate are derived for the proposed estimator with unequal pilot density, and it is compared with general estimators with equal pilot density. Numerical analysis and simulation results confirm that the proposed estimator with unequal density relationship outperforms the estimators over practical time-varying environments in terms of MSE performance and pilot overhead efficiency. 
URL : http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4570235 
Download : http://mirinae.yonsei.ac.kr/?module=file...525d2df63a 
Sungeun Lee; Kyungchul Kwak; Jihyung Kim; Daesik Hong; , "Channel estimation approach with variable pilot density to mitigate interference over time-selective cellular OFDM systems," Wireless Communications, IEEE Transactions on , vol.7, no.7, pp.2694-2704, July 2008
doi: 10.1109/TWC.2008.070114
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4570235&isnumber=4570199
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» [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 
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 
63 [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 
62 [IEICE Trans. Commun.] Jihyung Kim and Daesik Hong, "Channel Estimation in Comb-Type Pilot Arrangements for OFDM Systems with Null Subcarriers", IEICE Trans. Comm., Dec 2006 Published  2006-12 
61 [IEEE Trans. Veh. Technol.] Myeongsu Han, Takki Yu, Changeon Kang and Daesik Hong, "A New Adaptive Code-Acquisition Algorithm Using Parallel Subfilter Structure", IEEE Trans. VT., Nov 2006 file Published  2006-11 
60 [IEEE Signal Process. Lett.] Takki Yu, Changeon Kang and Daesik Hong, "Limitations in the Code Acquisition Performance for Adaptive Filter Versus Correlator", IEEE SP Letters, Nov 2006 file Published  2006-11 
59 [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 
58 [IEICE Trans. Commun.] Myeongyun Cho, Hangyu Cho and Daesik Hong, "A Novel 2-Dimensional Spreading Method for Down-Link OFDM Code-Division Multiplexing Systems", IEICE Trans. Comm., Jun 2006 Published  2006-06 
57 [IEICE Trans. Fund.] Eunsung Oh, Myeongyun Cho, Seungyoup Han, Choongchae Woo and Daesik Hong, "Performance Analysis of Dynamic Channel Allocation based on Reuse Partitioning", IEICE Trans. Fundamentals, Jun 2006 Published  2006-06 
56 [IEICE Trans. Commun.] Younghyun Jeon, Jongkyung Kim, Hyunkyu Yu, Jonghyung Kwun, Sanghoon Lee, Jongsoo Seo, and Daesik Hong, "Known-postfix based Cell Search Technique for OFDM Cellular Systems", IEICE Trans. Comm., Apr 2006 Published  2006-04 
55 [IEICE Trans. Commun.] Taeyoung Kim, Kyunbyoung Ko, Youngju Kim and Daesik Hong, "Performance Evaluation of Uplink MC-CDMA Systems with Residual Frequency Offset", IEICE Trans. Comm., Apr 2006 Published  2006-04 
54 [IEEE Trans. Commun.] Kyunbyoung Ko, Myonghee Park and Daesik Hong, "Performance analysis of asynchronous MC-CDMA systems with a guard period in the form of a cyclic prefix", IEEE Trans. Comm., Feb 2006 Published  2006-02 
53 [IEEE Signal Process. Lett.] Youngbo Cho, Sangmin Ro, Hangyu Cho, Jaegu Lee and Daesik Hong, "A Novel Channel Estimation Method using Pilot Channel for Frequency Interleaved MC-CDMA Systems", IEEE SP Letters, Nov 2005 Published  2005-11 
52 [Other Journals] Sooyong Choi, Tewon Lee and Daesik Hong, "Adaptive error-constrained method for LMS algorithms and applications", Elsevier Science Signal Processing, Oct 2005 Published  2005-10 
51 [IEEE Signal Process. Lett.] Hyunkyu Yu, Hangyu Cho, Changeon Kang and Daesik Hong, "A New Multipath Interference Mitigation Technique for High-Speed Packet Transmission in WCDMA Downlink", IEEE SP Letters, Sep 2005 Published  2005-09 
50 [IEEE Commun. Lett.] Goohyun Park, Sangho Nam, Takki Yu, Daesik Hong and Changeon Kang, "A modified covariance-based mobile velocity estimation method for Rician fading channels", IEEE Comm. Letters, Aug 2005 Published  2005-08 
49 [IEEE Signal Process. Lett.] Hyunkyu Yu, Goohyun Park, Hangyu Cho, Changeon Kang and Daesik Hong, "SNR-independent methods for estimating maximum Doppler frequency", IEEE SP Letters, May 2005 file Published  2005-05 
48 [IEEE Commun. Lett.] Kyunbyoung Ko, Taeyoung Kim, Sooyong Choi and Daesik Hong, "Semianalytical approach of asynchronous MC-CDMA systems with a cyclic prefix", IEEE Comm. Letters, Feb 2005 Published  2005-02 
47 [IEEE Signal Process. Lett.] Jihyung Kim, Jeongho Park and Daesik Hong, "Performance analysis of channel estimation in OFDM systems", IEEE SP Letters, Jan 2005 file Published  2005-01 
46 [Electron. Lett.] Jeongho Park, Changeon Kang and Daesik Hong, "Effect of Bluetooth interference on OFDM systems", Electronics Letters, Nov 2004 file Published  2004-11 
45 [Other Journals] Chulhee Lee, E. Jung, O. Kwon, M. Park and Daesik Hong, "Decision Boundary Formation of Neural Networks", WSEAS Trans. Computers, Oct 2004 Published  2004-10 
44 [IEICE Trans. Commun.] Intae Hwang, Jungyoung Son, Sukki Hahn, Younghwan You, Daesik Hong and Changeon Kang, "Inter-Channel Interference Analysis in STBC OFDM-CDMA Systems", IEICE Trans. Comm., May 2004 Published  2004-05 
43 [Other Journals] Intae Hwang, T. Jang, M. Kang, S. No, J. Son, Daesik Hong and Changeon Kang, "Performance analysis of adaptive modulation and coding combined with transmit diversity in next generation mobile communication systems", Elsevier Science FGCS, Feb 2004 Published  2004-02 
42 [IEEE Signal Process. Lett.] Byungjoon Park, Hyunsoo Cheon, Eunseok Ko, Changeon Kang and Daesik Hong, "A blind OFDM synchronization algorithm based on cyclic correlation", IEEE SP Letters, Feb 2004 Published  2004-02 
41 [IEEE Commun. Lett.] Hwasun Yoo and Daesik Hong, "Edge sidelobe suppressor scheme for OFDMA uplink systems", IEEE Comm. Letters, Nov 2003 Published  2003-11 
40 [IEICE Trans. Commun.] Goohyun Park, Daesik Hong and Changeon Kang, "A New Doppler Spread Estimation Using FFT", IEICE Trans. Comm., Sep 2003 Published  2003-09 
39 [IEEE Signal Process. Lett.] Hwasun Yoo, Sunghwan Ong and Daesik Hong, "Blind direct DFE estimation using multistep prediction", IEEE. SP Letters, Sep 2003 Published  2003-09 
38 [IEEE Trans. Magn.] Choongchae Woo, Hangyu Cho and Daesik Hong, "A dual noise-predictive partial response decision-feedback equalizer for RLL(1,x) coded perpendicular magnetic recording channels", IEEE Trans. Magnetics, Sep 2003 file Published  2003-09 
37 [IEEE Commun. Lett.] Myonghee Park, Kyunbyoung Ko, Hwasun Yoo and Daesik Hong, "Performance analysis of OFDMA uplink systems with symbol timing misalignment", IEEE Comm. Letters, Aug 2003 file Published  2003-08 
36 [Other Journals] Sangmin Ro, Intae Hwang, Daesik Hong, Changeon Kang and Mingoo Kang, "Adaptive Modulation and Coding of MIMO in Next Generation Mobile Systems", ICCSA 2003 Published  2003-08 
35 [IEICE Trans. Commun.] Youngsoo Yuk, Kyunbyoung Ko, Cheolwoo You, Hyunshik Na, Daesik Hong and Changeon Kang, "Turbo Coded Iterative V-BLAST System Using Maximum a Posteriori Criterion", IEICE Trans. Comm., Jul 2003 Published  2003-07 
34 [IEEE Trans. Commun.] Daeki Hong, Dongjoo Kim, Youngjo Lee, Sukhyon Yoon, Daesik Hong and Changeon Kang, "A simple interpolation technique for the DFT for joint system parameters estimation in burst MPSK transmissions", IEEE Trans. Comm., Jul 2003 Published  2003-07 
33 [IEEE Commun. Lett.] Byungjoon Park, Hyunsoo Cheon, Changeon Kang and Daesik Hong, "A novel timing estimation method for OFDM systems", IEEE Comm. Letters, May 2003 Published  2003-05 
32 [IEICE Trans. Commun.] Daeki Hong, Seongsoon Jeong, Sangcheol Han, Daesik Hong and Changeon Kang, "Modified Gardner's Timing-Error Estimation Algorithm for Space-Time Block Coding Schemes", IEICE Trans. Comm., Apr 2003 Published  2003-04 
31 [IEEE Trans. Commun.] Cheolwoo Yoo and Daesik Hong, "Multicarrier CDMA systems using time-domain and frequency-domain spreading codes", IEEE Trans. Comm., Jan 2003 Published  2003-01 
30 [IEEE Commun. Lett.] Kyunbyoung Ko, Mansic Joo, Hansup Lee and Daesik Hong, "Performance analysis for multistage interference cancellers in asynchronous DS-CDMA systems", IEEE Comm. Letters, Dec 2002 Published  2002-12 
29 [IEEE Commun. Lett.] Jooeung Kim, Inkyoung Kim, Sangmin Ro, Daesik Hong and Changeon Kang, "Effects of multipath diversity on adaptive QAM in frequency selective Rayleigh fading channels", IEEE Comm. Letters, Sep 2002 Published  2002-09 
28 [Electron. Lett.] Jooeung Kim, Sangmin Ro, Intae Hwang, Daesik Hong and Changeon Kang, "Performance of adaptive modulation with transmit diversity over frequency-selective Rayleigh fading channels", Electronics Letters, Sep 2002 Published  2002-09 
27 [IEEE Trans. Magn.] Hangyu Cho, Choongchae Woo and Daesik Hong, "Combining nonlinear equalization and simple detection for high-density optical recording channels", IEEE Trans. Magnetics, Sep 2002 file Published  2002-09 
26 [IEEE Trans. Magn.] HanGyu Cho, ChoongChae Woo and DaeSik Hong, "Simplified signal space detector for optical recording", IEEE Trans. Magnetics, Sep 2002 Published  2002-09 
25 [IEEE Trans. Magn.] Choongchae Woo, Hangyu Cho and Daesik Hong, "An extended dual decision-feedback equalizer for high-density perpendicular magnetic recording channels", IEEE Trans. Magnetics, Sep 2002 Published  2002-09 
24 [Electron. Lett.] Hyunsoo Cheon and Daesik Hong, "Effect of imperfect channel information in OFDM-based WLAN", Electronics Letters, Aug 2002 Published  2002-08 
23 [IEEE Commun. Lett.] Dae-Ki Hong, Young-Jo Lee, Daesik Hong and Chang-Eon Kang, "Robust frequency offset estimation for pilot symbol assisted packet CDMA with MIMO antenna systems", IEEE Comm. Letters, Jun 2002 Published  2002-06 
22 [IEEE Commun. Lett.] Hyunsoo Cheon and Daesik Hong, "Effect of Channel Estimation Error in OFDM-Based WLAN", IEEE Comm. Letters, May 2002 Published  2002-05 
21 [IEICE Trans. Commun.] Jooeung Kim, Hyunmeen Jung, Seonho Hwang, Daesik Hong and Changeon Kang, "An Analysis of Forward Link Power Allocation and User Capacity for 3GPP System", IEICE Trans. Comm., Apr 2002 Published  2002-04 
20 [IEICE Trans. Commun.] Goohyun Park, Sukhyon Yoon, Daeki Hong, Daesik Hong and Changeon Kang, "Design for a Turbo-Code Decoder Using a Block-Wise Algorithm", IEICE Trans. Comm., Feb 2002 Published  2002-02 
19 [IEEE Trans. Neural Netw.] KyunByoung Ko, Sooyong Choi, Changeon Kang and Daesik Hong, "RBF Multiuser Detector With Channel Estimation Capability in a Synchronous MC-CDMA System", IEEE Trans. Neural Networks, Nov 2001 Published  2001-11 
18 [Optical Engineering] Hangyu Cho, Jonghoe An, Sunghwan Ong and Daesik Hong , "Partial response maximum-likelihood system and crosstalk cancellation method for high-density optical recording", Optical Eng., Aug 2001 Published  2001-08 
17 [IEICE Trans. Commun.] Jaehee Cho, Namshin Cho, Keukjoon Bang, Myunghee Park, Heeyoung Jun, Hyuncheol Park and Daesik Hong, "Multistage Decision Feedback Channel Estimation for DS/CDMA Systems with M-Ary Orthogonal Modulation", IEICE Trans. Comm., Aug 2001 Published  2001-08 
16 [IEEE Trans. Commun.] Keukjoon Bang, Namshin Cho, Jaehee Cho, Heeyoung Jun, Kwangchul Kim, Hyuncheol Park and Daesik Hong, "A Coarse Frequency Offset Estimation in an OFDM System Using the Concept of the Coherence Phase Bandwidth", IEEE Trans. Comm., Aug 2001 Published  2001-08 
15 [IEEE Commun. Lett.] Dae-Ki Hong, Tae-Yoon Kim, Daesik Hong and Chang-Eon Kan, "Pilot to Data Channel Power Allocation for PCA-DS/CDMA with Interference Canceler", IEEE Comm. Letters, Aug 2001 Published  2001-08 
14 [IEEE Trans. Broadcast.] Jaehee Cho, Namshin Cho, Keukjoon Bang, Myunghee Park, Heeyoung Jun, Hyuncheol Park and Daesik Hong, "PC-Based Receiver for Eureka-147 Digital Audio Broadcasting", IEEE Trans. Broadcasting, Jun 2001 Published  2001-06 
13 [IEEE Trans. Magn.] Sooyong Choi and Daesik Hong, "Nonlinear Multilayer Combining Techniques for Bayesian Equalizers Using the Radial Basis Function Network as a Digital Magnetic Storage Equalizer", IEEE Trans. Magnetics, Sep 1999 Published  1999-09 
12 [Electron. Lett.] Younsun Kim, Keukjoon Bang, Sooyong Choi, Cheolwoo You and Daesik Hong, "Effect of carrier frequency offset on performance of MC-CDMA systems", Electronics Letters, Mar 1999 Published  1999-03 
11 [Optical Engineering] Kyunggoo Lee, Sooyong Choi, Sunghwan Ong, Cheolwoo You, and Daesik Hong, "Equalization techniques using neural networks for digital versatile disk-read-only memory systems", Optical Eng., Feb 1999 Published  1999-02 
10 [IEEE Trans. Neural Netw.] Cheolwoo You and Daesik Hong, "Nonlinear Blind Equalization Schemes Using Complex-valued Multilayer Feedforward Neural Networks", IEEE Trans. Neural Networks, Nov 1998 Published  1998-11 
9 [IEEE Commun. Lett.] Sooyong Choi, Sunghwan Ong, Cheolwoo You and Daesik Hong, "A Quadratic Sigmoid Neural Equalizer for Nonlinear Digital Magnetic Recording Channels", IEEE Comm. Letters, Sep 1998 Published  1998-09 
8 [Neuro Computing] Sangmok Lee, Cheolwoo You and Daesik Hong, "Rapid Acquisition Using A Neural Network in DS/SS Communication System", Neurocomputing, Nov 1997 Published  1997-11 
7 [IEEE Trans. Signal Process.] Sunghwan Ong, Cheolwoo You, Sooyong Choi and Daesik Hong, "A Decision Feedback Recurrent Neural Equalizer as an Infinite Impulse Response Filter", IEEE Trans. Signal Processing, Nov 1997 Published  1997-11 
6 [IEEE Trans. Magn.] Cheolwoo You, Sunghwan Ong, Keukjoon Bang and Daesik Hong, "An Error-Controlled Detection Method for PR-IV Magnetic Recording Systems", IEEE Trans. Magnetics, Sep 1997 Published  1997-09 
5 [IEEE Trans. Magn.] Sunghwan Ong, Sooyong Choi, Cheolwoo You, and Daesik Hong, "A Decision Feedback Recurrent Neural Equalizer for Digital Communication", IEEE Trans. Magnetics, Sep 1997 Published  1997-09 
4 [IEEE Trans. Magn.] Sooyong Choi, Sunghwan Ong, Cheolwoo You, Daesik Hong and Jachee Cho, "Performance of Neural Equalizers on Partial Erasure Model", IEEE Trans. Magnetics, Sep 1997 Published  1997-09 
3 [Electron. Lett.] Myeon-Kyu Song, Dae-Sik Hong and Chang-Eon Kang, "TMN-DCN topology design for integrated management", Electronics Letters, Feb 1996 Published  1996-02 
2 [IEEE Trans. Ind. Electron.] Daesik Hong and Okan K. Ersoy, "Parallel, Self-Organizing Hierarchical Neural Networks-II", IEEE Trans. Industrial Elec., April 1993 Published  1993-04 
1 [IEEE Trans. Neural Netw.] Daesik Hong and Okan K. Ersoy, "Parallel, Self-Organizing Hierarchical Neural Networks", IEEE Trans. Neural Net., June 1990 Published  1990-06 
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