Assoc. Prof. Dr. Chanon Warisarn’s profile

Office Location: The 55-Year Chalermprakiat Building, room 406
Phone: 02-329-8264 ext. 2150
Email: chanon.wa@kmitl.ac.th
Education: B.Eng. (First Class Honor) KMUTNB, Thailand, Ph.D. KMITL, Thailand
Professional Experience: Graduate School of Science and Engineering as a foreign Research Fellow, Ehime University, Matsuyama, Japan.
Awards and honors:
The Best Teacher Awards 2018, KMITL.
Research Interest: Magnetic recording technology, realistic writing/reading channel model, micromagnetic modeling, coding and signal processing
Publications
International Journal Publications
1. C. Buajong and C. Warisarn, “A Simple Inter-track Interference (ITI) Subtraction Technique in Bit-Patterned Media Recording (BPMR) Systems,” IEICE Trans. Electron., 2017 (ISI Journal, Impact 0.34)
2. C. Warisarn, W. Busyatras, and Lin M. M. Myint, “Soft-information Flipping Approach in Multi-head Multi-track BPMR Systems,” AIP Advances, Nov. 2017.
3. K. Pituso, C. Warisarn, and D. Tongsomporn, “A Soft-5/6 Modulation Code with Iterative ITI Subtraction Scheme in Multi-Reader TDMR Systems,” IEEE Trans. Magn., vol. 53, no. 11, pp. 3000904, Nov. 2017.
4. C. Warisarn et al., “Mitigation of TMR Using Energy Ratio and Bit-Flipping Techniques in Multi-Track Multi-Head BPMR Systems,” IEEE Trans. Magn., vol. 53, no. 11, pp. 2600104, Nov. 2017.
5. L. M. M. Myint and C. Warisarn, “Reduced complexity of multi-track joint 2-D Viterbi detectors for bit-patterned media,” AIP Advances 7, 056502 (2017).
6. W. Tipcharoen, C. Warisarn, D. Tongsomporn, D. Karns, and P. Kovintavewat, “Investigation of writing error in staggered heated-dot magnetic recording systems,” AIP Advances 7, 056511 (2017).
7. W. Busyatras, C. Warisarn, Y. Okamoto, Y. Nakamura, L. M. M. Myint, P. Supnithi, and P. Kovintavewat, “Utilization of Multiple Read Heads for TMR Prediction and Correction in Bit-Patterned Media Recording,” AIP Advances 7, 056501 (2017)
8. L. M. M. Myint, C. Warisarn, W. Busyatras, and P. Kovintavewat, “Single-Track equalization method with TMR correction system based on cross correlation functions for patterned media recording system,” Engineering and Applied Science Research, vol. 44(1), pp. 16-19 Jan.– Mar. 2017.
9. W. Tipcharoen, C. Warisarn, and P. Kovintavewat, “Effects of Island Volume and Hotspot Position Fluctuation for Heated-Dot Magnetic Recording,” IEEE Magn. Letter, ISI-Impact 1.892, Published.
10. K. Pituso, C. Warisarn, D. Tongsomporn, and P. Kovintavewat, “An ITI Subtraction Scheme of a Rate-4/5 Modulation Code for Two Dimensional Magnetic Recording,” IEEE Magn. Letter, ISI-Impact 1.892 Published.
11. P. Nhunork, C. Warisarn, and D. Tongsomporn, “An experiment study of head-to-media spacing sensitivity in ultra-high density magnetic recording systems,” Elsevier Procedia Computer Science, Scopus, Published.
12. V. Pomsanam, C. Warisarn, A. Siritaratiwat, C. Surawanitkun, “Structural size effect with altered temperature on MgO-based magnetic tunnel junction device during current flow,” Elsevier Procedia Computer Science, Scopus, Published.
13. W. Tipcharoen, C. Warisarn, A. Kaewrawang, and P. Kovintavewat, “Effect of hotspot position fluctuation to writing capability in heated-dot magnetic recording,” JJAP ISI-Impact 1.27, Published.
14. C. Warisarn and P. Kovintavewat, “Soft-Output Decoding of 2D Modulation Codes for Bit-Patterned Media Recording,” IEEE Trans. Magn., Submitted, ISI-Impact 1.83.
15. S. Chandrasekaran, P. Supnithi, and C. Warisarn, “Spinning Disk Test Study in Determining the Optimum Writers and Shingled Track Pitch for Shingled Magnetic Recording,” IEEE Trans. Magn., Submitted, ISI-Impact 1.83.
16. W. Busyatras, C. Warisarn, Lin M. M. Myint, P. Supnithi, and P. Kovintavewat, “An Iterative TMR Mitigation Method Based on Readback Signal for Bit-Patterned Media Recording,” IEEE Trans. Magn., Submitted, ISI-Impact 1.83.
17. Lin M. M. Myint, and C. Warisarn, “Equalizer Design for Bit-Patterned Media Recording System Based on ISI and ITI Estimations by Cross Correlation Functions” in AMM Journal, Accepted. Q4 SJR.
18. W. Busyatras, C. Warisarn, Lin M. M. Myint, and P. Kovintavewat, “A TMR Mitigation Method Based on Readback Signal in Bit-Patterned Media Recording”, in Electronic Trans. IEICE 2013, Accepted, ISI-Impact 0.34.
19. C. Warisarn, A. Arrayangkool, and P. Kovintavewat, “An ITI-Mitigating 5/6 Modulation Code for Bit-Patterned Media Recording” in Electronic Trans. IEICE 2013, Accepted, ISI-Impact 0.34.
20. A. Arrayangkool and C. Warisarn, “A Two-Dimensional Coding Design for Staggered Islands Bit-Patterned Media Recording,” in Journal of Applied Physics, ISI-Impact 2.30.
21. P. Kovintavewat, A. Arrayangkool, and C. Warisarn, “A Rate-8/9 2D Modulation Code for Bit-Patterned Media Recording” IEEE Trans. Magn., ISI-Impact 1.83.
22. A. Arrayangkool, C. Warisarn, and P. Kovintavewat, “A Constructive Inter-Track Interference Coding Scheme for Bit-Patterned Media Recording System” in Journal of Applied Physics, ISI-Impact 2.30.
23. C. Warisarn, T. Losuwan, P. Supnithi, and P. Kovintavewat, “An Iterative Inter-Track Interference Mitigation Technique for Two-Dimensional Magnetic Recording Systems” in Journal of Applied Physics, ISI-Impact 2.30.
24. S. Chandrasekaran, P. Supnithi, C. Warisarn, and D. Bai, “Spinning Disk Test Study on Erase Band and Write Width for Shingled Magnetic Recording” in Journal of Applied Physics, ISI-Impact 2.30.
25. A. Arrayangkool, C. Warisarn, and P. Kovintavewat, “A Recorded-Bit Patterning Scheme with Accumulated Weight Decision for Bit Patterned Media Recording” in Electronic Trans. IEICE 2013, Published, ISI-Impact 0.34.
26. Warisarn C., Kovintavewat P., and Supnithi P. “Iterative Timing Recovery with the Split-Preamble Strategy for Coded Partial Response Channels.” IEICE Trans. Elec., vol. E94-C, no. 3, Mar. 2011. pp. 368-374, Impact 0.53.International conference publications
1. K. Pituso, C. Warisarn and D. Tongsomporn, “A Soft-5/6 Modulation Code with Iterative ITI Subtraction Scheme in Multi-Reader TDMR Systems,” in Proceeding Intermag-CON 2017, Dublin, Ireland.
2. W. Busyatras, C. Warisarn, L. M. M. Myint, and P. Kovintavewat, “TMR Mitigation Method and Multi-Bit 2D-SOVA Detector in Multi-Track Multli-Head BPMR Systems,” in Proceeding Intermag-CON 2017, Dublin, Ireland.
3. C. Buejong and C. Warisarn, “A Simple Inter-track Interference (ITI) Subtraction Technique in Bit-Patterned Media Recording (BPMR) Systems,” in Proceeding of ITC-CSCC 2017, Pusan Japan, Published.
4. K. Buehing, V. Brusyatras, C. Warisarn, S. Koonkarnkhai, and P. Kovintavewat, “2D Modulation Code Together with Multi-track Reading Technique in Staggered BPMR Systems,” in Proceeding of ITC-CSCC 2017, Pusan Japan, Published.
5. W. Ruksavong, W. Busyatras, and C. Warisarn, “BER Performance Improvement with Soft-information Adjustment Technique for TMR Correction in BPMR Systems,” in Proceeding of ITC-CSCC 2017, Pusan Japan, Published.
6. C. Buejong and C. Warisarn, “Multitrack Reading Scheme with Single Reader in BPMR Systems,” iEECON 2017, Pattaya, Thailand, Published Scopus.
7. P. Nhunork, C. Warisarn, and D. Tongsomporn, “A Spin Stand Study of Head to Media Spacing Sensitivity for Shingled Magnetic Recording,” ICEIC2017, Krabi, Thailand, Published Scopus.
8. K. Buehing, V. Brusyatras, C. Warisarn, S. Koonkarnkhai, and P. Kovintavewat, “A Performance Improvement of a Rate-5/6 2D Modulation Code in Bit-Patterned Media Recording Systems,” in Proceeding of ITC-CSCC 2016, Okinawa Japan, Accepted.
9. W. Teeraruangchaisri, C. Kanjanakunchorn, C. Warisarn, and C.Jettanasen, “Soft Information Adjustment Scheme of a Rate-4/5 2D Modulation Code in Bit-Patterned Media Recording Systems,” in Proceeding of ITC-CSCC 2016, Okinawa Japan, Accepted.
10. W. Ruksavong, W. Busyatras, C. Warisarn, L. Myint, and P. Kovintavewat,”Estimate Track Mis-registration Levels using an Energy Ratio Finding Technique in Bit-Patterned Media Recording Systems,” in Proceeding of ITC-CSCC 2016, Okinawa Japan, Accepted.
11. W. Tipcharoen, C. Warisarn, A. Kaewrawang, and P. Kovintavewat, “Effect of hotspot position fluctuation to writing capability in heated-dot magnetic recording,” in Proceeding MORIS 2015 Penang Malaysia.
12. C. Warisarn and P. Kovintavewat, “Soft-Output Decoding of 2D Modulation Codes for Bit-Patterned Media Recording,” in Proceeding Intermag-CON 2015, Beijing, China.
13. S. Chandrasekaran, P. Supnithi, and C. Warisarn, “Spinning Disk Test Study in Determining the Optimum Writers and Shingled Track Pitch for Shingled Magnetic Recording,” in Proceeding Intermag-CON 2015, Beijing, China.
14. C. Kanjanakunchorn and C. Warisarn, “Soft-Output Decoding Approach of a Rate-4/5 CITI Code in Magnetic Recording Systems,” in Proceeding ITC-CSCC 2015, Korea.
15. W. Busyatras, C. Warisarn, L. M. M. Myint, and P. Kovintavewat, “A Simple TMR Mitigation Approach for Bit Patterned Media Recording Based on Readback Signals,” in Proceeding ITC-CSCC 2015, Korea.
16. P. Ketwong, A. Arrayangkool, C. Warisarn, L. M. M. Myint, and P. Kovintavewat, “A Simple Crossover-based Coding Technique for ITI Mitigation in Bit-Patterned Media Recording,” in Proc. ITC-CSCC 2014, Siem Reap, Cambodia, Dec. 9-12, 2014
17. Lin M. M. Myint and C. Warisarn, “Estimate ITI information using Cross Correlation Functions in Equalizer Designing Process for BPM Magnetic Recording,” in Proc. ITC-CSCC 2013, Yeosu, Korea, 30 Jun – Jul.3 2013
18. N. Bumrungkiat, C. Warisarn, and P. Kovintavewat, “A Magnetized Grain Modeling Method Based on the Image of Real Magnetic Grains for Two-Dimensional Magnetic Recording,” in Proc. ITC-CSCC 2013, Yeosu, Korea, 30 Jun – Jul.3 2013
19. A. Arrayangkool, C. Warisarn, and P. Kovintavewat, “A 2D-Interference Mitigation with a Multitrack Recorded-Bit Patterning Scheme for Bit Patterned Media Recording,” in Proc. ITC-CSCC 2013, Yeosu, Korea, 30 Jun – Jul.3 2013
20. Arrayangkool, C. Warisarn, Lin M. M. Myint, and P. Kovintavewat, “A Simple A Simple Recorded-Bit Patterning Scheme for Bit Patterned Media Recording,” in Proc. of ECTI-CON 2013, Krabi, Thailand, May. 15-17 2013.
21. S. Koonkarnkhai, C. Warisarn, and P. Kovintavewat, “Iterative Decoding for Bit-Patterned Media Recording Channels with Insertion/Deletion Errors,” in Proc. of I-SEEC 2012, Phetchburi, Thailand, Dec. 11-14 2012.
22. P. Kovintavewat , C. Warisarn, and C. Tantibundhit, “Performance of Interpolated Timing Recovery in Perpendicular Magnetic Recording Channel,” in Proc. of I-SEEC 2012, Phetchburi, Thailand, Dec. 11-14 2012.
23. T. Losuwan, C. Warisarn, L. M. Myint, and P. Supnithi, “A Study of Iterative Detection Method for Four-Grain Based Two-Dimensional Magnetic Recording,” in Proc. of APMRC 2012, Singapore, Oct 31- Nov 2, 2012
24. Losuwan T., Warisarn C., and Kovintavewat P. “A Study of 2D detection for Two-Dimensional Magnetic Recording” in Proc. of ITC-CSCC 2012, Sapporo, Japan, Jul. 15-18 2012.
25. Warisarn C., Kovintavewat P., and Supnithi P. “Complexity Reduction of Modified Per-Survivor Iterative Timing Recovery” ECTI-CIT Trans., Nov. 2012.
26. Warisarn C., Supnithi P. “A Novel IIR Equalizer Design for Perpendicular Recording Systems with Media Jitter Noise.” KKU Res. J., 17(3), Jun. 2012. pp. 339–348.
27. M. Lin, P. Supnithi, C. Warisarn, and N. Puttarak, “Off-track detection in magnetic recording based on the readback signals,” in Proc. INTERMAG 2012, Vancouver, Canada, May 7 – 11, 2012.
28. Warisarn, P. Kovintavewat, and P. Supnithi, “Reduced-Complexity Modified Per-Survivor Iterative Timing Recovery Using M-Algorithm for Magnetic Recording System,” in Proc. of ISPACS 2011, Chiangmai, Thailand, Dec 7 – 9, 2011.
29. Warisarn C., Kovintavewat P., and Supnithi P. “Reduced-Complexity Modified Per-Survivor Iterative Timing Recovery Using M-Algorithm for Magnetic Recording System” in Proc. of ISPACS 2011, Chaingmai, Thailand, Dec. 2011.
30. Warisarn C., Kovintavewat P., and Supnithi P. “Modified Per-Survivor Iterative Timing Recovery in Perpendicular Magnetic Recording.” in Proc. of PMRC 2010, Sendai, Japan, Oct. 2010.
31. Warisarn C., Kovintavewat P., and Supnithi P. “Reduced-Complexity Modified Per-Survivor Iterative Timing Recovery for Coded Partial Response Channels.” in Proc. of ICT2010, Bangkok, Thailand, Aug. 2010.
32. Warisarn C., Kovintavewat P., and Supnithi P. “Iterative Timing Recovery with the Split-Preamble Strategy for Magnetic Recording Channels.” IEEE MMM-Intermag Conference (INTERMAG2010), Washington DC, USA, Jan. 2010. pp. GH-09.Book Publications
1. Santi Koolkarnkai, Chanon Warisarn, and Piya Kovintavewat, “Digital Signal Processing for Data Storage Volume 4” 140 Pages, 2559
2. Chanon Warisarn,  Digital Signal Processing with SCILAB Applications” 340 Pages, 2560