Proceedings and Journals

https://scholar.google.com/citations?user=90abvroAAAAJ&hl=en

Journals

2005 [IEiCE, KMUTNB]

1. Sarawuth Chaimool, Prayoot Akkaraekthalin, and Vech Vivek," Dual-band CPW-fed slot antennas using loading metallic strips and a widened tuning stub," IEICE Trans Electronics, vol. E88-C, pp. 2258-2265, Dec. 2005

2. Sarawuth Chaimool , Sithiporn Kerdsumang and Prayoot Akkaraekthalin ,"Design of an Improved Four-Pole Hairpin Resonator Filter ," The Journal of King Mongkut's University of technology North Bangkok, Vol. 15, No. 2, pp. 7-12, Apr.-Jun. 2005.

2007 [IEICE]

3. Prayoot Akkaraekthalin, Sarawuth Chaimool, and Monai Krairiksk,“Wideband uni-directional CPW-fed slot antennas using loading metallic strips and a widened tuning stub on modified-shape reflectors," IEICE Trans Communications, vol. E90-B, no.9, pp.2246-2255, Sep 2007.

4. Apirada Namsang, Thammarat Majaeng,Jaruek Jantree, Sarawuth Chaimool, and Prayoot Akkaraekthalin ‘‘Stepped-impedance hairpin resonators with asymmetric capacitively loaded coupled lines for improved stopband characteristics," IEICE Trans Communications,vol.E90-C, pp.2185-2191, Dec 2007.

2009 [EL, AEU]

5. Mongkol Meeloon, Sarawuth Chaimool, and Prayoot Akkaraekthalin, “Broadband bandpass filters using slotted resonators fed by interdigital coupled lines for improved upper stopband performances,” Int. Journal of Electronics and Communications (AEU),Vol.63, pp.454-463, June 2009.

6. Sarawuth Chaimool and Kwok L. Chung,"CPW-fed mirrored-L monopole antenna with distinct triple bands for WiFi and WiMAX applications," Electronics Letters. Vol. 45, No. 18, pp. 928-929, Aug 2009.

2010 [MOTL, PIER, IEICE]

7. Sarawuth Chaimool and Prayoot Akkaraekthalin, “A compact wideband bandpass filter using modified NB-SRRs with wide upper bandstop,” Microwave and Optical Technology Letters, Vol.52, No.3, pp.551-553, March 2010.

8. Sarawuth Chaimool, Kwok L. Chung, and Prayoot Akkaraekthalin, “Simultaneous gain and bandwidth enhancement of a single-feed circularly polarized microstrip patch antenna using a matamaterial reflective surface,” Progress In Electromagnetics Research B, Vol.22, pp.23-37, 2010.

9. Sarawuth Chaimool, Kwok L. Chung, and Prayoot Akkaraekthalin, “Bandwidth and gain enhancement of microstrip patch antenna using metamaterial reflective surface,” (invited paper) IEICE Transactions on Communications, Vol. E93-B, No.10, pp. 2496-2503, October 2010.

2011 [IJRFaMCom, MOTL, KMUTNB]

10. Sarawuth Chaimool, Prayoot Akkaraekthalin and Monai Krairiksh, “Wideband constant beamwidth coplanar waveguide-fed slot antennas using metallic strip loading and a wideband tuning stub with shaped reflector” International Journal of RF and Microwave Computer – Aided Engneering Vol 21, No 3, pp. 263-271, May 2011.

11. Kwok L. Chung and Sarawuth Chaimool, "Triple-band CPW-fed L-shaped monopole antenna with small ground plane", Microwave and Optical Technology Letters, Vol.53, No.10, pp.2274-2277, October 2011.

12. ศราวุธ ชัยมูล และประยุทธ อัครเอกฒาลิน, “อภิวัสดุกับการประยุกต์ใช้สำหรับสายอากาศ (Metamaterials for Antenna Applications)" , The Journal of KMUTNB., Vol. 21, No. 2, pp. 474-484, May. - Aug. 2011.

2012 [MOTL, RadioEng, EL]

13. Sarawuth Chaimool, Chawalit Rakluea, and Prayoot Akkaraekthalin, "Compact wideband microstrip thinned array antenna using EBG superstrate", Int. Journal of Electronics and Communications (AEU), pp. 49-53, vol. 66, Jan. 2012.

14. Sarawuth Chaimool, Chawalit Rakluea, K. L. Chung, and Prayoot Akkaraekthalin, "Single-feed circularly polarized microstrip patch antenna stacked with periodic structure," Microwave and Optical Technology Letters, Vol.54, No.1, pp. 50-54, January 2012.

15. Kwok L. Chung and Sarawuth Chaimool, "Broadside gain and bandwidth enhancement of microstrip patch antenna using a MNZ-metasurface," Microwave and Optical Technology Letters, Vol.54, No.2, pp. 529-532, Febuary 2012.

16. Sarawuth Chaimool and Prayoot Akkaraekthalin, "Miniaturized wideband bandpass filter with wide stopband using metamaterial-based resonator and defected ground structure," RadioEngineering, vol. 2, pp. 611-616, June 2012.

17. Sarawuth Chaimool , Chatchai Chokchai , and Prayoot Akkaraekthalin, "Multiband loaded fractal loop monopole antenna for USB dongle applications," Electronics Letters. Vol. 48, No. 23, pp. 1446-1447, Nov. 2012.

2013 [App. Phys., MOTL]

18. Sarawuth Chaimool , Chatchai Chokchai , and Prayoot Akkaraekthalin, "Triple-band USB dongle antenna using fractal and shorted loops for WiFi and WiMAX applications," Microwave and Optical Technology Letters, Vol.55, No.4, pp. 863-866, April 2013.

19. Sarawuth Chaimool, Chawalit Rakluea, and Prayoot Akkaraekthalin, "Mu-Near-Zero Metasurface for Microstrip-fed Slot Antennas,"Applied Physics A: Volume 112, Issue 3 , pp. 669-675, 2013. (DOI:10.1007/s00339-013-7703-6

2015 [EL, Engineering Transaction]

20. K. L. Chung, Sarawuth Chaimool, and C. Zhang, "Wideband Subwavelength-Profile Circularly-Polarised Array Antenna Using Anisotropic Metasurface", Electronics Letters. , vol. 51, no. 18, pp. 1403 - 1405, Aug. 2015. (DOI: 10.1049/el.2015.2255.)[UDRU_19]

21. Sarawuth Chaimool, Tanan Hongnara, and Prayoot Akkaraekthalin, "Investigation on Metaradiator based on Metasurface," Engineering Trans., vol.18 No. 2 (39), pp.1 29-134, July – December 2015.

2017 [ECTI, MOTL]

22. Tanan Hongnara,Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Anisotropic fractal metasurface-based antenna with contrary beams," Microwave and Optical Technology Letters, Vol.59, No.3, pp. 715-720, March 2017.

23. Sarawuth Chaimool and Yan Zhao, "Applications of Gradient Metasurfaces: A Review," ECTI E-Magazine, vol.11, no.3, pp. 3-13, Jul.-Sept. 2017.

2018 [IEEE Access, SciRep]

24. Tanan Hongnara,Sarawuth Chaimool ,Prayoot Akkaraekthalin and Yan Zhao," Design of Compact Beam-Steering Antennas Using a Metasurface Formed by Uniform Square Rings ," IEEE Access, vol. 6, no. 1, pp. 9420 -9429, December 2018.

25.Y. Zhao and S. Chaimool, "Relativistic finite-difference time-domain analysis of high-speed moving metamaterials," Scientific Reports , no. 8, pp. 1-12, May 2018.

2019 [IJAP, IEEE Access, PIER]

26. Sarawuth Chaimool,Tanan Hongnara,Prayoot Akkaraekthalin and Yan Zhao,"Design of a PIN-diode based reconfigurable metasurface antenna for beam switching applications ", International Journal of Antennas and Propagation, vol. 2019, Article ID 7216324, 7 pages.

27. Y. Zhao, C. Rakluea, T. Hongnara, and S. Chaimool, “A compact dual-broadband multiple-input multiple-output (MIMO) indoor base station antenna for 2G/3G/LTE systems,” IEEE Access, vol. 7, pp. 82238-82245, Jun. 2019. PDF

28. S. Chaimool, C. Rakluea, P. Akkaraekthalin, and Y. Zhao, "Effect of Losses in Printed Rectangular Coils for Compact Wireless Power Transfer Systems," Progress In Electromagnetics Research C, Vol. 97, 177-188, 2019.

2020 [Int J RF Microw Comput Aided Eng.]

29. Kwok L. Chung , Xiaoqing Yan , Sarawuth Chaimool , Botao Feng , and Yingsong Li "On the Surface Susceptibilities and Effective Parameters of Metasurfaces Composed of Isolated Metallic Unit-Cells," International Journal of RF and Microwave Computer-Aided Engineering,( Int J RF Microw Comput Aided Eng.) 2020. (https://doi.org/10.1002/mmce.22353)

Conferences and Proceedings

2021 [ISAP(2), EENET(3)]

136. Sarawuth Chaimool, Benyapa Sangwijit,Paworawan Pukna and Chawalit Rakluea, " A Dual-Band Dual-Polarized MIMO Antenna for 700 MHz and Sub-6 GHz 5G Systems," ISAP2020, January 25-28, 2021, Osaka, Japan.

137. Chawalit Rakluea , Sarawuth Chaimool, Yan Zhao ,Prayoot Akkaraekthalin, Efficiency Enhancement of Wireless Power Transfer Localization using Defected Metasurface ,ISAP2020,January 25-28, 2021, Osaka, Japan.

138. ธเนศ คณะดี และ ศราวุธ ชัยมูล, ระบบตรวจวัดพลังงานไฟฟ้าไร้สายอัจฉริยะผ่านโครงข่าย LoRaWAN (Intelligent Wireless Electric Energy Monitor System Using LoRaWAN Network ), EENET2021, เชียงราย, 12-14 พค 2564.

139. ณัฐภัทร ประเสริฐ และ ศราวุธ ชัยมูล, สายอากาศโมโนโพลศิลปะลายไทยแบบดอกบัวสำหรับ 4G/5G และ WiFi-6 (Thai Painting Artistic Monopole Antenna with Lotus Pattern for 4G/5G and WiFi-6),EENET2021, เชียงราย, 12-14 พค 2564.

140. ธนาพร เพชรกูล, พุทธิพร เทียมสินสังวร, ศราวุธ ชัยมูล, ประยุทธ อัครเอกฒาลิน, เรโซเนเตอร์อันดับที่ศูนย์บนโครงสร้างเสมือนเห็ดสำหรับการตรวจรู้ของเหลว,EENET2021, เชียงราย, 12-14 พค 2564.

2020 [ICPEI(1),]

135. T. Pechrkool, T. Hongnara, S. Chaimool, P. Akkaraekthalin, "Zeroth-order Resonator Antenna using Meandered Arm on Jerusalem Geometry in Mushroom-like Structure," 2020 International Conference on Power, Energy and Innovations (ICPEI 2020), October 14-16, 2020, Chiangmai, THAILAND.

136.

2019 [iEECON(1),AWAP(1), ECTI-CARD(2), TJMW(3),EECON(1),CAMA(1)(134)

125. C. Rakluea, S. Chaimool, Y. Zhao, and P. Akkaraekthalin, “Compact non-uniform metasurface for efficiency enhancement of planar wireless power transfer,” The 2019 International Electrical Engineering Congress (iEECON2019), March 6-8, 2019, Cha-am, Thailand.

126. S. Chaimool, C. Rakluea, P. Akkaraekthalin, and Y. Zhao, “Irregular metasurfaces for mid-range wireless power transfer systems,” The 2019 Asian Workshop on Antennas and Propagation (AWAP2019), April 24-25, 2019, Seoul, Korea.

127. S. Chaimool and K. Boonlom "Wireless Internet of Things (WIoT) Connectivity and Network Technologies ", ECTI-CARD2019, June 4-7, 2019, UbonRatchathani.

128. พงศธร อารักคิด, กมล บุญล้อม, และ ศราวุธ ชัยมูล, "ระบบตรวจวัดมลพิษฝุ่นละอองแบบต้นทุนต่ําโดยใช้เทคโนโลยี LoRaWAN สําหรับเมืองอัจฉริยะ " ECTI-CARD2019, June 4-7, 2019, UbonRatchathani.

129. T. Pechrkool, N. Chudpooti, T. Hongnara, S. Chaimool, P. Akkaraekthalin, "Zeroth Order Resonator Based on Mushroom-like Structure for Glucose Liquid Mixture Characterization ," TJMW2019 (Thailand-Japan Microwave), June 26-28, 2019, Rajamangala University of Technology Suvarnabhumi (RUS), Nonthabuuri, Thailand.

130. K. Kaewheang, C. Thanomdumrongsak, A. Rattanawongsawat, S. Chaimool, "Low Cost and Alterable Planar Filters on Fabricated with Additive Manufacturing 3D Printing Technology," TJMW2019 (Thailand-Japan Microwave), June 26-28, 2019, Rajamangala University of Technology Suvarnabhumi (RUS), Nonthabuuri, Thailand.

131. C. Rakluea, S. Chaimool, Y. Zhao, P. Akkaraekthalin, "Experimental Investigation of Metasurface in NonRadiative Mid-Range Wireless Power Transfer," TJMW2019 (Thailand-Japan Microwave), June 26-28, 2019, Rajamangala University of Technology Suvarnabhumi (RUS), Nonthabuuri, Thailand.

132. อุกฤษฎ์ มุญจนพงศ์ ขจรศักดิ์ จรนิเทศสกุลชัย และ ศราวุธ ชัยมูล, "การส่งกำลังงานไร้สายทะลุกำแพงโดยบูรณาการกับพลังงานแสงอาทิตย์," การประชุมวิชาการทางวิศวกรรมไฟฟาครั้งที่ 42(EECON-42), 30 ตุลาคม–1พฤศจิกายน 2562, เดอะกรีนเนอรี่รีสอร์ท เขาใหญ่ นครราชสีมา.

133. T. Pechrkool, N. Chudpooti , N. Duangrit , S. Chaimool, P. Akkaraekthalin, "Zeroth-Order Resonator Based on Mushroom-like Structure for Liquid Mixture Concentration Sensing of Sodium Chloride Solution," 2019 IEEE CAMA, October 23-25, 2019,Bali Resort, Kuta, Bali, Indonesia.

134. S. Chaimool, "Lowpass Filters with Non-uniform Dielectric Properties using 3D Synthetic Printed Substrates," (Best paper), 2019 Research, Invention, and Innovation Congress (RI2C 2019)

2018 [ ECTICON(1), PIERS(1), TJMW(2), AWAP(x), APMC(1), EECON(3),CreTech(1) ] (124)

115. T. Pechrkool, T. Hongnara, S. Chaimool, P. Akkaraekthalin, "A Compact Zeroth-order Resonator Antenna using Meandered Arm and Jerusalem Geometry in Mushroom-like Structure," Proceeding of the 2018 IEICE general conference, Tokyo Denki University, March 20-22, 2018

116. T. Hongnara, S. Chaimool, P. Akkaraekthalin, and Y. Zhao, " Beam-Steering Antenna Design Using Uniform Square Ring-Based Metasurface," ECTI-CON2018, July 18-21, 2018, Wiang Inn Hotel, Chiang Rai, Thailand (KKU)- Best paper Award .

117. Y. Zhao and S. Chaimool, "Analysis of High-speed Moving Metamaterials Using the Lorentz-FDTD Method," PIERS, 2018, 1 - 4 August 2018, Toyama, JAPAN.

118. T. Hongnara, S. Chaimool, and P. Akkaraekthalin, "Multifunctional metasurface-based antenna with contrary beam operations at different operation," TJMW2018

119. C. Raklua, S. Chaimool, Y. Zhao, and P. Akkaraekthalin, "Compact Size Printed Spiral Coil Resonator-Loaded Loop for Magnetically Resonant Coupled Wireless Power Transfer System," TJMW2018

120. T. Hongnara, S. Chaimool, and P. Akkaraekthalin, "Highly Unidirectional Slot Antenna using Transmissive and Reflective Metasurfaces for WLAN and WiMAX Applications," APMC2018 (KKU), Nov. 6-9, 2018, Kyoto, Japan.

121. ณัฐพงศ์ บุตรธนู, นิวัตร์ อังควิศิษฐพันธ์, ศราวุธ ชัยมูล, "เทคนิคโครงสร้างกราวด์มีรอยส าหรับวงจรกรองผ่านแถบความถี่กว้างบนไมโครสตริป (Defected Ground Structure Technique for Wideband Microstrip Bandpass Filters), 2nd National Conference on Creative Technology (CreTech2018), July 24-26, 2018, Pattaya, Cholburi.

122. ศราวุธ ชัยมูล และ กมล บุญล้อม, "การประเมินผล IoT LoRaWAN สำหรับเมืองอัจฉริยะ : กรณีใช้ตรวจสอบสภาพแวดล้อม," การประชุมวิชาการทางวิศวกรรมไฟฟาครั้งที่ 41(EECON-41), 21–23 พฤศจิกายน 2561, โรงแรมสุนีย์แกรนด์ จังหวัดอุบลราชธานี (Best Paper)

123. ธนาพร เพชรกูล¹ นนชณัต ฉัตรภูติ² ธนันต์ หงส์นรา ศราวุธ ชัยมูล และ ประยุทธ อัครเอกฒาลิน, "เรโซเนเตอร์อันดับที่ศูนย์บนโครงสร้างเสมือนเห็ดสำหรับการตรวจรู้ความเข้มข้นของเหลวผสมในสารละลายโซเดียมคลอไรด์," การประชุมวิชาการทางวิศวกรรมไฟฟาครั้งที่ 41(EECON-41), 21–23 พฤศจิกายน 2561, โรงแรมสุนีย์แกรนด์ จังหวัดอุบลราชธานี (Best Paper)

124. ศราวุธ ชัยมูล และ ณัฐพงศ์ บุตรธนู, "สายอากาศแนวระนาบต้นทุนต่ำโดยใช้แผ่นฐานรองไดอิเล็กตริกจากการพิมพ์สามมิติ," การประชุมวิชาการทางวิศวกรรมไฟฟาครั้งที่ 41(EECON-41), 21–23 พฤศจิกายน 2561, โรงแรมสุนีย์แกรนด์ จังหวัดอุบลราชธานี.

2017 [ AWAP(1), TJMW(1) ] (114)

113. T. Hongnara, S. Chaimool, and P. Akkaraekthalin, "Bifunctional Anisotropic Metasurfaces for Contrary Beam Antennas," AWAP2017 (2017 Asian Workshop on Antennas and Propagation), June 27-30, 2017, Hokkaido, Japan.

114. T. Pechrkool, T. Hongnara, S. Chaimool, P. Akkaraekthalin, "A Compact Zeroth-order Resonator Antenna using Meandered Arm on Jerusalem Geometry in Mushroomlike Structure," TJMW2017, KMUTT, June 14-16, 2017.

2016 [ iEECON(1), AWAP(1), GEMIC(1), STEMa(1) ] (112)

109. Sarawuth Chaimool, Wideband Sequential- rotation arrays with circularly polarized Patch radiators using Anisotropic Metasurface, " AWAP2016, January 27-29, 2016, Busan, Korea, [UDRU_21]

110. Sarawuth Chaimool, Pimsuree Ueyporn, Prayoot Akkaraekthalin, "Artificial Ground Plane Based on Electromagnetic Bandgap for Stripline," Procedia Computer Science, vol. 86, 2016, pp. 55-58. [UDRU_22]

111. T. Hongnara, K. Schraml, S. Chaimool, P. Akkaraekthalin, D. Heberling, “Side-lobe Reduction of Horn Antenna Using Circular Patch Mushroom-Like EBG Structure,” 2016 German Microwave Conference (GEMIC), Bochum, Germany, March 14-16, 2016, [UDRU_23]

112. N. Sukgorna, K. Siraleartmukulb,V. Yordsric, N. Chudpootid, S. Chaimool, P. Akkaraekthalind, S. Chalermwisutkule, C. Thanachayanontc, W. Wongwiriyapana, K. Chalapata, "Radio-Frequency Characterization of Multi-Walled Carbon Nanotube/Poly-Lactic Acid Composites," International Conference on Science and Technology of Emerging Material 2016 (STEMa2016), July 27-29, 2016, Pattaya, Thailand.

2015 [ECTI-CARD (3), TJMW(2), EECON(2), CAMA(1), iWEM(1)] (108)

99. ศราวุธ ชัยมูล, "ข้อควรพิจารณาในการออกแบบระบบส่งพลังงานไฟฟ้าไร้สายสมัยใหม่: อินดักทีฟคัปปลิ้งและเรโซแนนซ์แม่เหล็ก (Design Considerations in Modern Wireless Energy Transfer Systems: IC and MR)," in Proc. the 7th ECTI-CARD2015, Trang, Thailand (การประชุมวิชาการ งานวิจัยและพัฒนาเชิงประยุกต ครั้งที่ 7), ตรัง, 7-10 กรกฎาคม 2558, pp. 234-237. [UDRU_10]

100. ณัฐพงศ์ บุตรธนู, นิวัตร์ อังควิศิษฐพันธ์ และ ศราวุธ ชัยมูล, "วงจรกรองความถี่ผ่านแถบกว้างมากบนไมโครสตริปเรโซเนเตอร์สี่เหลี่ยมจัตุรัสร่วมกับสตับปลายเปิดร่วมกับโครงสร้างกราวด์มีตำหนิ (A Wideband Bandpass Filter using Square Ring Microstrip Resonator with Open Stub and Defected Ground Structure) in Proc. the 7th ECTI-CARD2015, Trang, Thailand (การประชุมวิชาการ งานวิจัยและพัฒนาเชิงประยุกต์ ครั้งที่ 7), ตรัง, 7-10 กรกฎาคม 2558, pp. 250-253. [UDRU_11].

101. Nonchanutt Chudpooti, Sarawuth Chaimool, Prayoot Akkaraekthalin, "Reconfigurable Wideband BPF using Composite SIW and microstrip structure, (วงจรกรองผ่านแถบกว้างที่ปรับค่าได้ โดยใช้ท่อน าคลื่นแบบฐานรองร่วมกับโครงสร้างแบบไมโครสตริป)" in Proc. the 7th ECTI-CARD2015, Trang, Thailand (การประชุมวิชาการ งานวิจัยและพัฒนาเชิงประยุกต ครั้งที่ 7), ตรัง, 7-10 กรกฎาคม 2558, pp. 426-430. [UDRU_12]

102. Nonchanutt Chudpooti, Sarawuth Chaimool, Prayoot Akkaraekthalin, "Combination of Substrate Integrated Waveguide and Microstrip Structure for Controllable Wideband Bandpass Filters," (Best paper award)in 2015 Thailand-Japan MicroWave (TJMW), Aug 6, - Aug 8 2015, Chulalongkorn Univ., Bangkok. [UDRU_13]

103. Pawares Vijitsulakkana, Wanwisa Thaiwirot , Sarawuth Chaimool , Prayoot Akkaraekthalin, "UHF RFID Reader using Slanted Slot Patch Metasurface on Microstrip Patch Antenna,",in 2015 Thailand-Japan MicroWave (TJMW), Aug 6, - Aug 8 2015, Chulalongkorn Univ., Bangkok. [UDRU_14]

104. ศราวุธ ชัยมูล, พิมพ์สุรีย์ อวยพร และประยุทธ อัครเอกฒาลิน, "สายนำสัญญาณสตริปไลน์ที่ใช้ระนาบกราวด์โครงสร้างช่องว่างแถบความถี่แม่เหล็กไฟฟ้า ," การประชุมวิชาการทางวิศวกรรมไฟฟาครั้งที่ 38(EECON-38), 19–21พฤศจิกายน 2558, โรงแรมวรบุรีอโยธยาคอนเวนชั่น รีสอร์ท, อยุธยา [UDRU_15]

105. ศราวุธ ชัยมูล, ธนันต์ หงษ์นรา และประยุทธ อัครเอกฒาลิน, 'การควบคุมการส่งผ่านและการสะท้อนคลื่นด้วยผิวอภิวัสดุแบบไฮเปอร์โบลิก," การประชุมวิชาการทางวิศวกรรมไฟฟาครั้งที่ 38(EECON-38), 19–21พฤศจิกายน 2558, โรงแรมวรบุรีอโยธยาคอนเวนชั่น รีสอร์ท, อยุธยา [UDRU_16]

106. Tanan Hongnara, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Hyperbolic/Anisotropic MNZ Metasurface Opposed Beam Antenna," 2015 IEEE Conference on Antenna Measurements & Applications (CAMA) pp. 1-3, 30 November–2. December 2015, Chaingmai, Thailand. [UDRU_17]

107. P. Vijitsulakkana, W. Thaiwirot, and P. Akkaraekthalin, S. Chaimool, " UHF RFID Reader Using Slanted Slot Patch Metasurface on Microstrip Patch Antenna," 2015 IEEE Conference on Antenna Measurements & Applications (CAMA) pp. 1-3, 30 November–2. December 2015, Chaingmai, Thailand. [UDRU_18]

108. K. L. Chung, Sarawuth Chaimool, and C. Zhang, "Performance Enhancement of Circularly-Polarized Patch Array Using Anisotropic Metasurface," 2015 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM), pp.1-2, 16-18 Nov. 2015, Hsin-Chu, Taiwan [UDRU_20]

2014 [iWAT(1), ECTI-CON(1), AWAP(1), APCC (1), APMC(1), EECON (3), TJMW(4), ISEEC (1)] (98)

87. S. Chaimool, T. Pechrkool, K. L. Chung, and P. Akkaraekthalin, "A Compact Zeroth-order Resonant Antenna Based on Modified Jerusalem Cross Mushroom Structure" , in Proc. 2014-iWAT(International Workshop on Antenna Technology), pp. 377-379, 4-6 March 2014, Sydney, Australia.

88.Tanaporn Pechrkool, Tanan Hongnara, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "A Mushroom-like Zeroth-order Resonator Antenna Using Meandered Arm on Jerusalem Cross Shaped," in ECTI-CON2014, May 14-17, Nakhonratchaseema, Thailand, pp. 1-4.

89. Sarawuth Chaimool, Tanaporn Pechrkool and Prayoot Akkaraekthalin, "A CRLH ZOR MetaRadiator Using Meander Cross Shape With Mushroom Type Structure", AWAP-2014 (2014 Asia Workshop on Antennas and Propagation), May 14-16, Kanazawa, Japan, pp. 16-17.

90. ศราวุธ ชัยมูล, ธนาพร เพรชกุล, และ ประยุทธ อัครเอกฒาลิน, "สายอากาศ ZOR สองแถบความถี่โดยการผสมผสานระหว่างโครงสร้างแบบเห็ดและร่อง," การประชุมวิชาการทางวิศวกรรมไฟฟาครั้งที่ 37(EECON-37), 19–21พฤศจิกายน 2557, มหาวทยาลยขอนแกน, pp. 607-710. [UDRU_1]

91. Chatchai Chokchai, Sarawuth Chaimool, Prayoot Akkaraekthalin, "A small fractal monopole antenna for USB dongle," การประชุมวิชาการทางวิศวกรรมไฟฟาครั้งที่ 37(EECON-37), 19–21พฤศจิกายน 2557, มหาวทยาลยขอนแกน, pp. 611-614. [UDRU_2]

92. P. Akkaraekthalin, C. Mahatthanajatuphat, S. Chaimool, T. Hongnara, N. Wongsin, and C. Chokchai, "Design of Fractal Antennas at Wireless Communication Research Group, KMUTNB," การประชุมวิชาการทางวิศวกรรมไฟฟาครั้งที่ 37(EECON-37), 19–21พฤศจิกายน 2557, มหาวทยาลยขอนแกน, pp. 567-570 [UDRU_3].

93. Tanan Hongnara, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Metasurface Characteristic of Fractal Fishnet Structure and Closed Ring Resonator," Asia-Pacific Conference on Communications (APCC2014), Pattaya, Thailand, Oct. 1-3, 2014, pp. 429-432. [UDRU_4]

94. Tanan Hongnara, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Investigation of Metasurface using Fishnet and Closed Ring Structures on Microstrip-fed Slot Antenna," APMC2014 @Sendai, Japan, November 4-7, pp. 711-713, 2014. [UDRU_5]

95. Sarawuth Chaimool, Tanan Hongnara, and Prayoot Akkaraekthalin, "Investigation on Metaradiator based on Metasurface," ISEEC2014, Udonthani, Thailand,17-19 December, 2014 [UDRU_6].

96. T. Pechrkool, S. Chaimool, and P. Akkaraekthalin, "A Compact Zeroth-order Resonator Antenna Using Meandered Arm on Jerusalem Cross Shape," Thailand-Japan Microwave 2014 (TJMW2014), KMITL, 26-28 Nov, , 2014 [UDRU_7].

97. A. Pinsakul, S. Chaimool, and P. Akkaraekthalin, "Artificial Magneto-dielectric Metasubstrates for Microstrip Patch Antenna Miniaturization," Thailand-Japan Microwave 2014 (TJMW2014), KMITL, 26-28 Nov, 2014 [UDRU_8].

98. C. Chokchai, S. Chaimool, and P. Akkaraekthalin, "Miniaturized MIMO Antenna for WiFi USB Dongle using Modified Fractal Patch Monopole and Defected Ground Plane," Thailand-Japan Microwave 2014 (TJMW2014), KMITL, 26-28 Nov, 2014 [UDRU_9].

2013 [iEECON(4), TENCON-Spring (1), APCAP(5), TJMW(x)] (86)

77. Sarawuth Chaimool, Tanan Hongnara and Prayoot Akkaraekthalin, "Low and zero refractive index metamaterials: characteristics and its applications," in Proc. 2013 International Electrical Engineering Congress (iEECON2013), Chaingmai, Thailand, 13-15 March 2013, pp. 217-220.

78. Tanaporn Pechrkool, Tanan Hongnara, Sarawuth Chaimool, and Prayoot Akkaraekthalin, " UWB monopole antenna using C-shaped slot and hairpin slot for dual-notched band," in Proc. 2013 International Electrical Engineering Congress (iEECON2013), Chaingmai, Thailand, 13-15 March 2013, pp. 372-375.

79. Tanan Hongnara, Sarawuth Chaimool, and Prayoot Akkaraekthalin, " A new miniaturized epsilon-near zero metasurface using Minkowski fractal pattern," in Proc. 2013 International Electrical Engineering Congress (iEECON2013), Chaingmai, Thailand,13-15 March 2013, pp. 213-216.

80. Mongkol Meeloon, Matinee Rattarasarn, Rungrueang Pattanakun, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "An UWB bandpass filter with dual-notched band using embedded fold slot and slotted step impedance resonators ," in Proc. 2013 International Electrical Engineering Congress (iEECON2013), Chaingmai, Thailand, 13-15 March 2013, pp. 201-204.

81. T. Pechrkool, T. Hongnara, S. Chaimool, K. L. Chung, and P. Akkaraekthalin, "A dual band-notched for UWB monopole antenna with using C-shaped slot and hairpin slot," in Proc. 2013-TENCON-Spring 2013, Sydney, Australia.

82. Chatchai Chockchai, Sarawuth Chaimool, and Prayoot Akkaekthalin, "Miniaturized MIMO Antenna for WiFi USB Dongle using Fractal Loop and Defected Ground Plane, " in Proc.2013 Asia-Pacific Conference on Antennas and Propagation (APCAP-2013), pp. 75-76, Chiang Mai, Thailand,Aug. 5-7, 2013.

83. Sarawuth Chaimool, Chatchai Chockchai, Tanan Hongnara, Tanaporn Pechrkool, and Prayoot Akkaekthalin, "MIMO Antennas for UWB Communications with Notched Bands," in Proc.2013 Asia-Pacific Conference on Antennas and Propagation (APCAP-2013), pp. 77-78,Chiang Mai, Thailand, Aug. 5-7, 2013.

84.Tanaporn Pechrkool, Sarawuth Chaimool, Prayoot Akkaraekthalin, "Comparative Study of Three Different Shaped Zeroth-Order Resonating Antennas with Mushroom Structure," in Proc.2013 Asia-Pacific Conference on Antennas and Propagation (APCAP-2013), pp. 177-178, Chiang Mai, Thailand,Aug. 5-7, 2013.

85. Tanan Hongnara, Sarawuth Chaimool, Prayoot Akkaraekthalin," Subwavelength Microstrip-fed Slot Antenna Loaded with Metasurface," in Proc.2013 Asia-Pacific Conference on Antennas and Propagation (APCAP-2013), pp. 139-140, Chiang Mai, Thailand, Aug. 5-7, 2013.

86.Kamol Boonlom, Sarawuth Chaimool, "A Compact Bandpass Filter Using Microstrip Two-Layer Open-Loop Resonators With Sawtooth Shaped nterdigital Finger," in Proc.2013 Asia-Pacific Conference on Antennas and Propagation (APCAP-2013), pp. 201-202, Chiang Mai, Thailand, Aug. 5-7, 2013.

2012 [ECTI(4), ECTICARD(1), EECON(1), ISAP(1),TJMW(2), APCAP(1)] (76)

68. Atcharaporn Pinsakul, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Miniaturized Microstrip Patch Antenna Printed on Magneto-Dielectic Metasubstrate",in Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2012. ECTI-CON 2012, Huahin, Thailand, pp. 1-4.

69. Chatchai Chokchai , Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Miniaturized Triple-band USB Dongle Antenna Using Loaded-Fractal Loop Monopole with Shorted Loop and Fractal Loop Resonator", in Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2012. ECTI-CON 2012, Huahin, Thailand.

70. Prapoch Jirasakulporn, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Gain Enhancement of Microstrip Antenna using Square Aperture Superstrate," ,in Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2012. ECTI-CON 2012, Huahin, Thailand.

71. Mongkol Meeloon, Matinee Rattarasarn, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "An UWB Bandpass Filter with Dual-Notched Band and Improved Stopband Performance," ,in Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2012. ECTI-CON 2012, Huahin, Thailand.

72. Sarawuth Chaimool, Atcharaporn Pinsakul and Prayoot Akkaraekthalin, "Patch antenna miniaturization using artificial magneto-dielectric metasubstrate," Proc. International Conference of Intern Symp. on Antennas and Propagation 2012, ISAP2012, Nagoya, pp. 906-909, Japan.

73. ศราวุธ ชัยมูล ธนันต์ หงส์นรา ฉัตรชัย โชคชัย พิมพ์สุรีย์ อวยพร, "ประสิทธิภาพอุปกรณ์ตรวจสอบไฟรั่วในน้ำ (Performance of the current detectors in water)," การประชุมวิชาการ งานวิจัย และพัฒนาเชิงประยุกต์ ครั้งที่ 4 (ECTI - CARD 2012), ณ หอประชุมใหญ่ มหาวิทยาลัยเทคโนโลยีราชมงคลธัญบุรี ระหว่างวันที่ ๒๐-๒๒ มิถุนายน ๒๕๕๕

74. Chawalit Rakluea, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Bandwidth and gain amelioration of a circularly polarized microstrip fed L-slot antenna by using Metamaterial reflective surface," Thailand-Japan Microwave 2012 (TJMW2012), August 7-10, 2012, Chulalongkorn University. (Best paper award)

75. Mongkol Meeloon, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "An UWB bandpass filter with dual-notched band using embedded Fold-slots," Thailand-Japan Microwave 2012 (TJMW2012), August 7-10, 2012, Chulalongkorn University.

76. M. Meeloon, M. Rattarasarn, S. Chaimool, P. Akkaraekthalin, "A dual-notched band bandpass filter using embedded fold-slots," Asia-Pacific Conference on Antennas and Propagation (APCAP), Furama Riverfront Hotel, Singapore, August 27-29, 2012.

2011 [ISAP(4), ECTI(3), EECON34(1), ISPACS(1), EuCAP(1)] (67)

59. K. L. Chung and S. Chaimool, "Diamagnetic metasurfaces for performance enhancement of microstrip patch antenna," 5th European Conference on Antenna and Propagation, EuCAP 2011, Apr 11-15 2011, Rome, Italy, pp. 48-52.

60. Mongkol Meeloon, Sarawuth Chaimool and Prayoot Akkaraekthalin,“ Ultra-Wideband Bandpass Filters With Notched Band Using Slotted Linear Tapered-Line Resonators and Embedded Slot Feed,” Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2011. ECTI-CON 2011,Khon Kaen 2011, pp.244-247.

61.Jeera Gosalvitr, Chatree Mahatthanajatuphat, Sarawuth Chaimool and Prayoot Akkaraekthalin, “CPW‐fed Slot Antenna with Fractal Tuning Stub for Wideband Circular Polarization,”Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2011. ECTI-CON 2011, Khon Kaen 2011, pp. 212-215.

62. Chawalit Rakluea, Sarawuth Chaimool and Prayoot Akkaraekthalin “Unidirectional CPW-fed Slot Antenna Using Metasurface,” Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2011. ECTI-CON 2011, Khon Kaen 2011, pp. 184-187.

63. Sarawuth Chaimool, Chawalit Rakluea, and Prayoot Akkaraekthalin, "Unidirectional Low-Profile CPW-fed Slot Antenna Achieved by using Metasurface ," Proc. International Conference of Intern Symp. on Antennas and Propagation 2011, ISAP2011, 25-28 Oct. 2011, Jeju, Korea.

64. Chawalit Rakluea, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "A Wideband Unidirectional Circularly Polarized Right Angle Slot Antenna using Metasurface," Proc. International Conference of Intern Symp. on Antennas and Propagation 2011, ISAP2011, 25-28 Oct. 2011, Jeju, Korea.

65. Mongkol Meeloon, Sarawuth Chaimool, Prayoot Akkaraekthalin, Arisara Leenaphet, and Rungrueang Pattanakun, "An Ultra-Wideband Bandpass Filter with Notched Band using Step-Impedance Resonators and Embedded Fold-Slot," Proc. International Conference of Intern Symp. on Antennas and Propagation 2011, ISAP2011, 25-28 Oct. 2011, Jeju, Korea.

66. Sarawuth Chaimool, Chawalit Rakluea, Prayoot Akkaraekthalin, "Low-Profile Unidirectional Microstrip-Fed Slot Antenna Using Metasurface, " Intelligent Signal Processing and Communications Systems (ISPACS) 2011, ISPACS2011, 7-9 Dec. 2011, pp. 1-5, CheingMai, Thailand. (Best paper award)

67. ฉัตรชัย โชคชัย ศราวุธ ชัยมูล ประยุทธ อัครเอกฒาลิน และ เวช วิเวก, "สายอากาศลูปแฟร็กทรัลสองแถบความถี่ที่มีขนาดเล็กสำหรับระบบการสื่อสารไร้สายท้องถิ่นความถี่ 2.45/5.2 GHz," การประชุมทางวิชาการทางวิศวกรรมไฟฟ้าครั้งที่ 34

2010 [ISAP(2), PIERS(1), EECON33(4)] (58)

52. Chi-Ho Wong, K. L. Chung, W. Y. Tam and S. Chaimool, "Wang-shaped patch antenna excited by H-plane oriented wideband feed-networks,” Proc. International Conference of Intern Symp. on Antennas and Propagation 2010, ISAP 2010, Nov 23-26, 2010, Macao, CHINA.

53. C. Rakluea, S. Chaimool, K. L. Chung and Prayoot Akkaraekthalin, "Single-feed CP microstrip antenna loaded with a periodic structure superstrate”, Proc. International Conference of Intern Symp. on Antennas and Propagation 2010, ISAP 2010, Nov 23-26, 2010, Macao, CHINA

54. K. L. Chung and S. Chaimool, "A wideband high-gain subwavelength Fabry-Perot cavity antenna,” PIERS 2010, 22-26 Mar, 2010, Xian, CHINA.

55.ชวลิต รักเหลือ, ศราวุธ ชัยมูล และ ประยุทธ อัครเอกฒาลิน, “สายอากาศไมโครสตริปโพลาไรซ์แบบวงกลมที่มีแบนด์วิดท์กว้างและอัตราขยายสูงโดยใช้ผิวสะท้อนอภิวัสดุ,” การประชุมทางวิชาการทางวิศวกรรมไฟฟ้าครั้งที่ 33, Vol. 2, pp 989 – 992.

56. ปิยะ เรืองพุทธ, ศราวุธ ชัยมูล และ ประยุทธ อัครเอกฒาลิน, “สายอากาศร่องแถบแคบปรับเปลี่ยนความถี่บนโครงสร้างแบบระนาบร่วม,” การประชุมทางวิชาการทางวิศวกรรมไฟฟ้าครั้งที่ 33, Vol. 2, pp 981 – 984.

57. มงคล มีลุน, ศราวุธ ชัยมูล และประยุทธ อัครเอกฒาลิน, “วงจรกรองผ่านแถบความถี่กว้างที่มีแถบหยุดโดยใช้ร่องพับแบบฝัง,” การประชุมทางวิชาการทางวิศวกรรมไฟฟ้าครั้งที่ 33, Vol. 2, pp 937 – 94. (บทความดีเด่น)

58. ศราวุธ ชัยมูล และ ประยุทธ อัครเอกฒาลิน. “การปรับปรุงแบนด์วิดท์และอัตราขยายสายอากาศไมโครสตริปโดยใช้ผิวสะท้อนอภิวัสดุ,” การประชุมทางวิชาการทางวิศวกรรมไฟฟ้าครั้งที่ 33, Vol. 2, pp 953 – 956.

2009 [ISAP(2), APMC(1), EECON32(4), GRAD(1)] (51)

44. S. Chaimool, K. L. Chung and Prayoot Akkaraekthalin, "A 2.45-GHz WLAN high-gain antenna using a metamaterial reflecting surface," Proc. International Conference of Intern Symp. on Antennas and Propagation 2009, ISAP2009, pp. 325-328, 20-23 October, 2009, Bangkok, THAILAND. (Best paper award)

45. K. L. Chung and S. Chaimool, "A CPW-fed L-shaped Monopole Antenna for Triple-band Operations," Proc. International Conference of Intern Symp. on Antennas and Propagation 2009, ISAP2009, pp. 441-444, 20-23 October, 2009, Bangkok, THAILAND.

46. Mongkol Meeloon, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "A broadband bandpass filter with a notch-band using step-impedance resonator and embedded slots," Microwave Conference, 2009 (APMC 2009), pp. 1446-1449 December 7-10, 2009.

47. Sarawuth Chaimool, and Prayoot Akkaraekthalin, "A novel compact wideband BPF using NB-SRR and defected ground structure with wide upper stopband," in Proc. Conference of EE-CON 32, vol.2, pp. 709-712 , 28-30 Oct. 2009.

48.Sarawuth Chaimool and Kwok L. Chung,"CPW-fed mirrored-L monopole antenna with triple-bands for WLAN and WiMAX applications," in Proc. Conference of EE-CON 32, vol.2, pp. 717-720, 28-30 Oct. 2009.

49. Sikharin Suwannatee, Apirada Namsang, Sarawuth Chaimool, Pakkawat Jantree and Prayoot Akkaraekthalin, "Design of dual-band bandpass filters by modified step-impedance resonator," in Proc. Conference of EE-CON 32, vol.2, pp. 737-740, 28-30 Oct. 2009.

50. Mongkol Meeloon, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Broadband bandpass filters with notched bands using embedded slots," in Proc. Conference of EE-CON 32, vol.2, pp. 741-744, 28-30 Oct. 2009.

51. "วงจรกรองความถี่ผ่านแถบแบบสองความถี่บนโครงสร้างไมโครสตริปที่ใช้เรโซเนเตอร์แบบอิมพีแดนซ์ขั้นรูปตัวอี (Microstrip Dual-Band Bandpass Filters Using E-Shaped Stepped Impedance Resonators)". By นักศึกษา , ประยุทธ อัครเอกฒาลิน, ศราวุธ ชัยมูล, การเสนอผลงานวิจัย ระดับบัณฑิตศึกษาแห่งชาติ ครั้งที่ 14,มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ, กรุงเทพฯ, 10/09/2552- 11/09/2552.

2008 [ISAP(3), ECTI(1), EECON31(1)] (43)

39. Mongkol Meeloon, Sarawuth Chaimool, and Prayoot Akkaraekthalin, “Broadband bandpass filters using slotted stepped impedance resonators for improving upper stopband performances,” Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2008. ECTI-CON 2008, vol. 1, pp. 265-268, 14-17 May 2008.

40. Sarawuth Chaimool, Prayoot Akkaraekthalin and Monai Krairiksh, “Wideband sectored antennas using CPW-fed slot with shaping the reflectors,” Proc. International Conference of Intern Symp. on Antennas and Propagation 2008(ISAP2008), 27-29 Oct 2008.

41. Sarawuth Chaimool, and Prayoot Akkaraekthalin, “A compact dual-band printed dipole antenna based on fractal feature in ISM band,”Proc. International Conference of Intern Symp. on Antennas and Propagation 2008(ISAP2008) , 27-29 Oct 2008.

42. Sarawuth Chaimool, Prapoch Jirasakulpor and Prayoot Akkaraekthalin, “A new compact dual-band CPW-fed slot antenna with inverted-F tuning stub,”Proc. International Conference of Intern Symp. on Antennas and Propagation 2008 (ISAP2008), 27-29 Oct 2008.

43. Kitti Keawkhiaw, Sarawuth Chaimool, and Prayoot Akkaraekthalin, “A dual-band bandpass filter using stepped impedance open loop resonators with loading stubs,” Proc. Conference of EE-CON 31, vol.2, pp. 677-680, 29-31 Oct. 2008.

2007 [ISAP(3), ECTI(5), EECON(2), APMC(3), RWS(1)] (38)

25. Prayoot Akkaraekthalin, Jaruek Jantree, Thammarat Majaeng, and Sarawuth Chaimool, “A microstrip bandpass filters using asymmetrical stepped-impedance resonators for a wide upper stopband performance,” IEEE Radio and Wireless Symposium (RWS 2007), California, USA, pp.141-144, January, 2007.

26. Chotjit, S.; Chaimool, S.; Akkaraeakthalin, P. " A Miniaturized Dual-mode Bandpass Filter using Triangular Loop Resonator with Wide Stopband by U-Shaped Defected Ground Structure (DGS)," Microwave Conference, 2007. APMC 2007. Asia-Pacific (APMC 2007), December 11-17, 2007.

27. Mongkol Meeloon, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Broadband Bandpass Filters Using Slotted Resonators Fed by Interdigital Coupled Lines for Improving Upper Stopband Performances," Microwave Conference, 2007. APMC 2007. Asia-Pacific (APMC 2007), December 11-17, 2007, Thailand.

28. Sutatorn Promprathom, Sarawuth Chaimool, and Prayoot Akkaraekthalin,“A microstrip two-layer dual-passband filter using aperture-coupled SIRs with wide rejection bandwidth by defected ground structure (DGS), " Microwave Conference, 2007. APMC 2007. Asia-Pacific , December 11-17, 2007.Thailand.

29. Ekarak Chomcherysupsiri, Sarawuth Chaimool and Prayoot Akkaraekthalin, "Design of Compact Tri-Band Microstrip Bandpass Filter Using Open Loop and Stepped-Impedance Resonators for WiMax and WLAN," Proc. Conference of EECON 30, pp. 1053-1056, October 25-26 2007.

30. Sarawuth Chaimool, Somporn Seewattanapon, and Prayoot Akkaraekthalin, "The Design Optimization of Miniature Low Profile Antennas for UAV Based on Fractal Features in UHF Band," Proc. Conference of EECON 30, pp. 1113-1116, October 25-26 2007.

31. Prapoch Jirasakulporn, Sarawuth Chaimool, and Prayoot Akkaraekthalin,"A New Compact WLAN 2.4 GHz CPW-fed Slot Antenna with Inverted-F Shaped Tuning Stub," Proc. International Conference of Intern Symp. on Antennas and Propagation 2007 (ISAP2007), pp. 1190-1193, 27-30 Oct 2007.

32. Sarawuth Chaimool, Prayoot Akkaekthalin, and Monai Krairiksk, “Reflector shape optimization for wideband uni-directional of CPW-fed slot antenna," Proc. International Conference of Intern Symp. on Antennas and Propagation 2007, ISAP 2007, August 20-24, 2007, Toki Messe, Niigata, Japan, pp. 1206-1209.

33. Chittawan Choeysakul, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Ultra wideband series-fed printed dipole antenna arrays with a log-periodic structure," Proc. International Conference of Intern Symp. on Antennas and Propagation 2007, ISAP 2007, August 20-24, 2007, Toki Messe, Niigata, Japan, pp. 25-28.

34. Sarawuth Chaimool, Prayoot Akkaekthalin, and Monai Krairiksk, “Reflector shape optimization for wideband uni-directional of CPW-fed slot antenna," pp. 643-646, ECTI2007, Chaing-rai, Thailand.

35. Prapoch Jirasakulpon, Sarawuth Chaimool, and Prayoot Akkaekthalin, “A new compact WLAN 2.4 GHz CPW-fed slot antenna with inverted-F shaped tuning stub," pp. 734-736, ECTI2007, Chaingrai, Thailand.

36. Chittawan Choeysakul, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Ultra wideband series-fed printed dipole antenna arrays with a log-periodic structure," pp. 931-934, ECTI2007, Chaingrai, Thailand

37. Sutatorn Promprathom, Jaruek Jantree, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "Compact microstrip two-layer dual-band bandpass filter using aperture-coupled SIR-hairpin resonator," pp. 813-816,ECTI2007, Chaingrai, Thailand. [The best paper award]

38. Supachai Chotjit, Sarawuth Chaimool, and Prayoot Akkaraekthalin, "A miniaturized dual-mode bandpass filter using triangular loop resonator," pp. 931-934, ECTI2007, Chaingrai, Thailand.

2006 [ISAP(1), ECTI(2), EECON29(3), ITC-CSCC(1), ISCIT(2), APMC(1)] (24)

15. Egyotin Yamrong, Sarawuth Chaimool, and Prayoot Akkaraekthalin, “A coaxial cavity diplexer using capacitive cross coupling probes for IMT-2000 band,” Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2006. ECTI-CON 2006, Ubon Ratchathani, pp.275-278, May 10-13, 2006.

16. Chittawan Choeysakul, Sarawuth Chaimool, and Prayoot Akkaraekthalin, “A new planar quasi-Yagi antenna with a log-periodic dipole array director,” Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2006. ECTI-CON 2006, , Ubon Ratchathani, pp.753-756, May 10-13, 2006.

17. Phongsathorn Chomtong, Sarawuth Chaimool, and Prayoot Akkaraekthalin, “A dual-band bandpass filter using cross-coupled stepped-impedance hairpin resonators for wireless LAN systems,” International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2006), Vol.II, pp.401-404, 2006.

18. Sarawuth Chaimool, Prayoot Akkaraekthalin, and Monai Krairiksh “CPW-fed slot antenna using loading metallic strip and a widened tuning stub with a finite reflector,” International Symposium on Communications and Information Technology (ISCIT 2006), October 18-20, 2006.

19. Sarawuth Chaimool and Prayoot Akkaraekthalin, “Resonator-embedded four-pole cross-coupled dual-band microstrip bandpass filters,” International Symposium on Communications and Information Technology (ISCIT 2006), October 18-20, 2006.

20. Sarawuth Chaimool, Prayoot Akkaraekthalin, and Monai Krairiksh “Uni-directional CPW-fed slot antennas using loading metallic strips and a widened tuning stub on modified-shape reflector,” International Symposium on Antenna and Propagation, (ISAP 2006), November 1-4, 2006.

21. Sarawuth Chaimool and Prayoot Akkaraekthalin, “Miniaturized CPW-fed inductively coupled slot antennas using stepped impedance resonator with tuning slot stub loading,” EECON-29, Chonburi, pp.741-744, November 9-10, 2006. (Best paper award)

22. Jaruek Jantree, Sarawuth Chaimool, and Prayoot Akkaraekthalin, “A parallel coupled-line bandpass filter using microstrip SIRs with reduced size and improved spurious suppression,” EECON-29, Cholburi, pp.813-816, November 9-10, 2006.

23. Onuma Sanghoud, Jaruek Jantree, Sarawuth Chaimool, and Prayoot Akkaraekthalin, “A microstrip bandpass filters using a line periodically loaded with unbalanced SIRs and DGS for spurious suppression,” EECON-29, Cholburi, pp.817-820, November 9-10, 2006.

24. Jaruek Jantree, Thammarat Majaeng, Sarawuth Chaimool, and Prayoot Akkaraekthalin, “A microstrip bandpass filters using a line periodically loaded with unbalanced SIRs for size reduction and spurious suppression,” Asia-Pacific Microwave Conference (APMC 2006), December, 2006, pp. .

2005 [ECTI(3), EECON28(2)] (14)

10. Jackrapun Sanguansup, Vitvara Sombuttiwilailert, Sarawuth Chaimool, and Prayoot Akkaraekthalin, “Design of diplexers using coaxial cavity structure for IMT-2000 base stations,” Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2005. ECTI-CON 2005, Pattaya, May 11-12, 2005.

11. Vitvara Sombuttiwilailert, Sarawuth Chaimool, Watchara Pakkamart, and Prayoot Akkaraekthalin, “A coaxial cavity comb-line resonator filter for base stations,” Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2005. ECTI-CON 2005, Pattaya, May 11-12, 2005.

12. Winai Jobjanprai, Sarawuth Chaimool, and Prayoot Akkaraekthalin, “A compact microstrip hairpin diplexer for IMT-2000 band,” Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2005. ECTI-CON 2005, Pattaya, May 11-12, 2005.

13. Bamrung Natamornwit, Sarawuth Chaimool, Sithiporn Kerdsumang, and Prayoot Akkaraekthalin, "A switched-beam broadband phased array using CPW-fed square slot antennas with loading strips,"28th EECON, Phuket, Thailand, Oct 20-21, 2005, pp. 649-652.

14. Kamol Boonlom, Sarawuth Chaimool, Sithiporn Kerdsumang, and Prayoot Akkaraekthalin, "A microstrip bandpass filter using a multilayer cross-coupled open-loop stepped impedance resonators," 28th EECON, Phuket, Thailand, Oct 20-21, 2005, pp. 745-748.

2004 [ISCIT(1), ECTI(1), EECON27(2), TENCON(1)] (9)

5.Sarawuth Chaimool, Sitiporn Kerdsumang, Prayoot Akkaraekthalin, and Vech Vivek, "A broadband CPW-fed square slot antenna usingloading metallic strips and a widened tuning stub," TENCON 2004. 2004 IEEE Region 10 Conference, November 20-24, 2004.

6. Sarawuth Chaimool, Sitiporn Kerdsumang, Prayoot Akkaraekthalin, and Vech Vivek, “A broadband CPW-fed square slot antenna,” Proc. International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2004. ECTI-CON 2004, Pattaya, May 13-14, 2004.

7. Sarawuth Chaimool, Sitiporn Kerdsumang, Prayoot Akkaraekthalin, “Dual-band bandpass filters using stepped-impedance hairpin resonators and capacitive loads,” EECON-27, Khonkaen, Nov. 11-12, 2004.

8. Sarawuth Chaimool, Sitiporn Kerdsumang, Prayoot Akkaraekthalin, “Dual-band CPW-fed square slot antennas,” EECON-27, Khonkaen, Nov. 11-12, 2004.

9. Sarawuth Chaimool, Sitiporn Kerdsumang, Prayoot Akkaraekthalin, and Vech Vivek," A broadband CPW-fed square slot antenna usingloading metallic strips and a widened tuning stub," International Symposium on Communications and Information Technology 2004 (ISCIT 2004), October 26-29, 2004.

2003[ISCIT(1), EECON(1), APCC(1), ISPACS(1)] (4)

1. S. Chaimool, S. Kerdsumang, and P. Akkaraekthalin, “A four-pole cross-coupled filter using improved hairpin-line resonators,” 2003 Int. Symp. on Communications and Information Tech. (ISCIT2003), Songkhla, pp.847-851, Sep. 3-5, 2003.

2. S. Chaimool, S. Kerdsumang, and P. Akkaraekthalin, "A novel microstrip bandpass filter using triangular open-loop resonators,” The 9th Asia-Pacific Conference on Communications (APCC2003), Penang, Malaysia, pp.788-791, Sep. 21-24, 2003.

3. D. Woraprachya, S. Chaimool, P. Akkaraekthalin, and V. Vivek, “Anti-line tapping system using data exchange technique between terminal unit and control unit” 26th EECON, Phetchaburi, pp.1674-1679, Nov. 6-7, 2003.

4. Sarawuth Chaimool, Sithiporn Kerdsumang, and Prayoot Akkaraekthalin,“Design of an improved four-pole hairpin resonator filter,” Intelligent Signal Processing and Communications Systems (ISPACS) 2003, ISPACS2003, Nov 2003, Sapporo, Japan.