Faculty

Professor Dhaval Patel is currently working as an Associate Professor at the School of Engineering and Applied Science-Ahmedabad University, India. He was a visiting faculty at Olin School of Engineering, Massachusetts, United States. Professor Patel has published research papers in IEEE Journals and Tier-1 International Conferences.  He has been awarded Ahmedabad University Chairman's Awards for "Outstanding Research Contributions" and "Experiment to Advance Active Learning" in 2019 and 2021. Furthermore, he has received research funding from DST- UK India Education and Research Initiative (UKIERI), DST- Association of Southeast Asian Nations and Gujarat Council on Science and Technology. Furthermore, he is a member of professional bodies like IEEE, ISTE and IETE.

His area of interest includes Intelligent Transportation System, Bio-Engineering, Molecular Communication, Applied Machine Learning and Deep Learning, and xG Wireless Networks.

• 2021: Ahmedabad University - Chairman’s Award for Experiment to Advance Active Learning. The award was given on the 12th foundation day of Ahmedabad University on February 27, 2021
• 2020: Research paper “On the Physical Layer Security over Fading for Relay based Vehicular Networks” is nominated for the Best Paper Award Category SPCOM 2020 at Indian Institute of Science (IISC), Banglore, on July 20-23, 2020.
• 2019: Ahmedabad University - Charman's Award for outstanding research contributions. The award was given on the 10th foundation day of Ahmedabad University on February 26, 2019
• 2017: DST-UK Research Project Award at Brtish council - New Delhi
• 2016: International Travel Support (ITS) under young scientist category from SERB-DST to present a research paper in CROWNCOMM-2016
• 2015: Won the Best IEEE Signal Processing Society Chapter Award, Executive Committee Member- Treasurer Gujarat Section, across Asia R10 Region
• 2015: Elite Gold medal, Outstanding Performance with 91%, NPTEL MOOC Certification offered by IIT Kanpur on Principles of Modern CDMA/ MIMO/ OFDM Wireless Communications
• 2014: Achieved Second Prize, Best Presentation Award, Nonparametric Sensing using GoF technique, in TEQIP-II workshop on Mathematical Modeling for Scientist, Engineers, and Statistician at NIT, Surat during January 27-31, 2014
• 2011: Research Fellowship for 2011-2014, as Full Time Research Scholar, in Department of Electrical engineering, Institute of Technology, Nirma University
• 2010: Achieved First Prize in Research Paper Section, Wireless Technologies in Automation and Communication: WTAC 2010, organized by IETE, Baroda Center held on January 10, 2010, under the IETE chapter.
• 2009: Appreciation Certificate for Successfully organized A National Level Workshop on Wired and wireless Network on NS-2 under FEDORA Linux Platform for THREE days (Only hands-on) at CIT, EC Department, March 19-21, 2009 Changa 
• 2008: Achieved First Prize in Review Paper Section in Networking Technology and Applications: 2008, organized by IETE, Baroda Center held on April 20, 2008, under IETE chapter

Completed Research Projects:

[2021]

Project Title: Cognitive Radio Enabled Vehicular Cyber-Physical System for Urban Areas

Role: Principal Investigator

Foreign Collaborators:
(1) Professor Guan Yong Liang, NTU- Singapore
(2) Dr Sumei SUN, Institute for Infocomm Research (I2R), Agency for Science Technology, and Research (A*STAR), Singapore
(3) Dr. CHANG Yoong Choon, UTAR, Malaysia
(4) Dr Joanne Lim Mun Yee, Monash University, Malaysia

External Funding Agency: DST- Association of South-East Asian Nations (ASEAN) collaborative R & D program

Duration: Three Years (2018-2021)

[2020]

Project Title: Non-parametric Smart Sensing Analytics based on Large Spectrum Data and Estimation of Channel Activity Statistics

Role: Principal Investigator

Foreign Collaborator:

UK Partner: Dr Miguel Lopez-Benitez, University of Liverpool-UK

External Funding Agency: DST-UKIERI Thematic Partnerships 2016-17

Duration: Three Years (2017-2020).

[2018]

Project Title: Design and Performance Analysis of Non-parametric Detection algorithm for Cognitive Radio - MIMO Communications

Role: Principal Investigator

External Funding Agency: DST- Gujarat Council on Science and Technology (GUJCOST)

Duration: Two Years (2016-2018)

IEEE / IET /Springer International Journals:

1. Dhaval K. Patel, Hetal Shah, Z. Ding, Y. L. Guan and S. Sun, Performance Analysis of NOMA in Vehicular Communications over i.n.i.d Nakagami−m Fading Channels, in IEEE Transactions on Wireless Communications, doi:10.1109/TWC.2021.3073050.
2. S. Kavaiya, Dhaval K. Patel, Z. Ding, Y. L. Guan and S. Sun, Physical Layer Security in Cognitive Vehicular Networks, in IEEE Transactions on Communications, vol.69, no. 4, pp. 2557-2569, April 2021, doi: 10.1109/TCOMM.2020.3038904.
3. Dhaval K. Patel, M. López-Benítez, B. Soni, and Á. F. García-Fernández, Artificial neural network design for improved spectrum sensing in cognitive radio, in Springer Wireless Networks, vol. 26, no. 8, pp. 6155–6174, 2020
4. Brijesh Soni, Dhaval K. Patel, and Miguel López-Benítez, Long Short-Term Memory based Spectrum Sensing Scheme for Cognitive Radio using Primary ActivityStatistics, in IEEE Access, vol. 8, pp. 97437-97451, May 2020, doi: 10.1109/AC-CESS.2020.2995633.
5. Sagar Kavaiya, Dhaval K. Patel, Y. L. Guan, S. Sun, Y. C. Chang and J. M. Lim, On the Energy Detection Performance of Multiantenna Correlated Receiver for vehicular Communication using MGF Approach, in IET Communications, vol. 14,pp. 1858–1868, July 2020, DOI: 10.1049/iet-com.2019.1285
6. O. H. Toma, M. López-Benítez, Dhaval K. Patel and K. Umebayashi, “Estimation of Primary Channel Activity Statistics in Cognitive Radio Based on Imperfect Spectrum Sensing,” in IEEE Transactions on Communications, vol. 68, no. 4, pp. 2016-2031, April 2020, doi: 10.1109/TCOMM.2020.2965944.
7. Dhaval K. Patel, Brijesh Soni, and Miguel López-Benítez, “Improved likelihood ratio statistic-based cooperative spectrum sensing for cognitive radio”, in IET Communications, Vol.14, no.11, pp. 1675-1686, January 2020.
8. M. López-Benítez, A. Al-Tahmeesschi, Dhaval K. Patel, J. Lehtomäki and K.Umebayashi, Estimation of Primary Channel Activity Statistics in Cognitive Radio Based on Periodic Spectrum Sensing Observations, in IEEE Transactions on Wireless Communications, vol. 18, no. 2, pp. 983-996, Feb. 2019, doi:10.1109/TWC.2018.2887258
9. Dhaval K Patel, Brijesh Soni, and Miguel López-Benítez. "On the estimation of primary user activity statistics for long and short time scale models in cognitive radio", in Springer Wireless Networks, pp 1-13, August 2019. 
10. Sagar Kavaiya, Dhaval K Patel, Y. L. Guan, S. Sun, Y. C. Chang and J. M. Lim, "On the Energy Detection Performance of Arbitrarily Correlated Dual Antenna Receiver for Vehicular Communication," in IEEE Communication Letters, vol. 23, no. 7, pp. 1186-1189, July 2019. 
11. Ahmed Al-Tahmeesschi, Miguel López-Benítez, Valerio Selis, Dhaval K. Patel and Kenta Umbayashi, Cooperative Estimation of Primary Traffic under ImperfectSpectrum Sensing and Byzantine Attacks, in IEEE Access, vol. 6, pp. 61651-61664,2018, DOI: 10.1109/ACCESS.2018.2876223
12. Ahmed Al-Tahmeesschi, Miguel López-Benítez, Dhaval K. Patel, Janne Lehtomäkiand Kenta Umbayashi, On the Sample Size for the Estimation of Primary Activity Statistics Based on Spectrum Sensing, in IEEE Transactions on Cognitive Communication and Networking, vol. 5, no. 1, pp. 59-72, March 2019, doi:10.1109/TCCN.2018.2874456.
13. Dhaval K Patel and Y. N. Trivedi, "Goodness-of-fit-based non-parametric spectrum sensing under Middleton noise for cognitive radio, in IET Electronics Letters,  vol. 51, no. 5, pp. 419-421, Mar. 2015.
14. Dhaval K Patel and Y. N. Trivedi, "Non-parametric Blind Spectrum Sensing Based on Censored Observations for Cognitive radio, in Journal of Signal Processing System (Springer),  vol.  78, no. 3, pp.  275-281, Mar. 2015.

International Conference (Tier-1/Tier-2)

1. Sagar Kavaiya, Dhaval K. Patel, Y. L. Guan, S. Sun, Y. C. Chang and J. M. -Y. Lim, "Distributed Spectrum Sensing for Cognitive Vehicular Networks using Quasi-Newton Optimization", International Conference on COMmunication Systems & NETworkS (COMSNETS), 2021, pp. 212-215, doi: 10.1109/COMSNETS51098.2021.9352936.
2. B. Patel, Dhaval K. Patel, B. Soni, M. López-Benítez and S. Kavaiya, "LSTM Autoencoder aided Estimation of Primary Activity Statistics under Imperfect Sensing", International Conference on COMmunication Systems & NETworkS (COMSNETS), 2021, pp. 242-245, doi: 10.1109/COMSNETS51098.2021.9352934.
3. Dhaval K. Patel, B. Soni, Y. L. Guan, S. Sun, Y. C. Chang and J. M. -Y. Lim, "Performance Analysis of Arbitrary Correlated Multiantenna Receiver for Mobile Cognitive User", IEEE Global Communications Conference (GLOBECOM), 2020, pp. 1-6, doi: 10.1109/GLOBECOM42002.2020.9322312.
4. Shweta Thakur, Dhaval K Patel, Brijesh Soni, Mehul Raval and Sanjay Chaudhary, "Prediction for the Second Wave of COVID-19 in India", Springer 8th International Conference on Big Data Analytics (BDA 2020), December 15 - 18,2020 at Ashoka University, Sonipat, India.
5. O. H. Toma, M. López-Benítez and Dhaval K. Patel, “Analysis of the Sample Size Required for an Accurate Estimation of Primary Channel Activity Statistics Under Imperfect Spectrum Sensing”, Proceedings of the 31st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2020), London, pp xx-xx, August 31- September 3, 2020 (Accepted for publication)
6. Sagar Kavaiya, Dhaval K. Patel, Y. L. Guan, S. Sun, Y. C. Chang and J. M. Lim, ‘‘On the Physical Layer Security over α-η-k-μ Fading for Relay based Vehicular Networks”, Proceedings of the 10th IEEE International Conference on Signal Processing and Communications (SPCOM-2020), IISc – Banglore, pp. xx-xx, July 20-23, 2020 (Accepted for publication)
7. O. H. Toma, M. López-Benítez, Dhaval K. Patel and K. Umebayashi, ‘‘Reconstruction Algorithm for Primary Channel Statistics Estimation Under Imperfect Spectrum Sensing”, Proceedings of the 18th IEEE Wireless Communications and Networking Conference (WCNC 2020), pp xx-xx, May 25-28, 2020 (Accepted for publication)
8. O. H. Toma, M. López-Benítez, Dhaval K. Patel and K. Umebayashi, ‘‘Reconstruction Algorithm for Primary Channel Statistics Estimation Under Imperfect Spectrum Sensing”, Proceedings of the 18th IEEE Wireless Communications and Networking Conference (WCNC 2020), pp xx-xx, May 25-28, 2020 (Accepted for publication)
9. M. López-Benítez, O. H. Toma, Dhaval K. Patel and K. Umebayashi, ‘’Sample Size Analysis of Energy Detection under Fading Channels”, Proceedings of the 6th IEEE WCNC International Workshop on Smart Spectrum (IWSS 2020),pp xx-xx, May 25-28, 2020. (Accepted for publication)
10. M. López-Benítez, O. H. Toma, Dhaval K. Patel, ‘’Mathematical Models for the Accuracy of the Estimated Distribution of Primary Activity Times in DSA”, , Proceedings of the 6th IEEE WCNC International Workshop on Smart Spectrum (IWSS 2020),pp xx-xx, May 25-28, 2020. (Accepted for publication)
11. Brijesh Soni, Dhaval K. Patel, Y. L. Guan, S. Sun, Y. C. Chang and J. M. Lim, “Performance Analysis of NOMA aided Cooperative Relaying over α-η-κ-µ Fading Channels,” Proceedings of the 26th IEEE National Conference on Communications (NCC 2020), IIT - Kharagpur, India, February 21-23, 2020, pp. 1-6, doi: 10.1109/NCC48643.2020.9056034.
12. J. M. Lim, Y. C. Chang and Dhaval K. Patel, “Cognitive Intelligence with Adaptive MAC Vehicular Ad-Hoc Network Optimization,” 2020 International Conference on Artificial Intelligence in Information and Communication (ICAIIC 2020), Fukuoka-Japan, pp. 098-102, February 19-21, 2020 doi:10.1109/ICAIIC48513.2020.9065283.
13. Nikhil Balwani, Dhaval K Patel, Brijesh Soni, Miguel López-Benítez, “Long Short-Term Memory based Spectrum Sensing Scheme for Cognitive Radio”, Proceedings of the 30th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2019), Turky, pp xx-xx, Sep 8, 2019
14. Ogeen Toma, Miguel López-Benítez, Dhaval K Patel, K. Umebayashi, “Primary Channel Duty Cycle Estimation Under Imperfect Spectrum Sensing Based on Mean Channel Periods”, in Proceedings of the Global Communications Conference (GLOBECOM 2019), Waikoloa, USA, December 2019.
15. Bansi Gajera, Dhaval K. Patel, Brijesh Soni, and Miguel López-Benítez, "Performance Evaluation of Improved Energy Detection Under Signal and Noise Uncertainties in Cognitive Radio Networks",  Proceedings of the 3rd International Conference on Signals and Systems 2019 (ICSigSys 2019), Bandung-Indonesia, pp xx-xx, July 16-18, 2019
16. Om Thakkar, Dhaval K Patel, Yong Liang Guan, Sumei Sun, Yoong Choon Chang and  Joanne Mun-Yee Lim,"On the Joint Impact of SU Mobility and PU Activity in Cognitive Vehicular Networks with Improved Energy Detection",  Proceedings of the IEEE 89th Vehicular Technology Conference (VTC 2019 Spring),  Kuala Lumpur-Malaysia,  pp. xx-xx.,  April 28 – May 1, 2019
17. Miguel López-Benítez and Dhaval K. Patel, "Sigmoid Approximation to the Gaussian Q-function and its Applications to Spectrum Sensing Analysis",  Proceedings of the 17th IEEE Wireless Communications and Networking Conference (WCNC 2019) Marrakech-Morocco, pp xx-xx, April  15-19, 2019
18. Miguel López-Benítez, Janne Lehtomäki, Kenta Umebayashi, and Dhaval K. Patel, "Accurate Noise Floor Calibration based on Modified Expectation Maximisation of Gaussian Mixture ", Proceedings of the 17th IEEE Wireless Communications and Networking Conference (WCNC 2019) Marrakech-Morocco, pp xx-xx, April  15-19, 2019
19. Bansi Gajera, Dhaval K. Patel, Brijesh Soni, and Miguel López-Benítez, "Experimental Performance Evaluation of Improved Energy Detection under Noise Uncertainty in Low SNR Regime",  Proceedings of the 5th IEEE WCNC International Workshop on Smart spectrum, Marrakech-Morocco (IWSS 2019), pp xx-xx, April  15-19, 2019
20. Shivam Raval, Dhaval K. Patel, Miguel López-Benítez, "Performance Analysis of Improved Energy Detection in Full Duplex Non-Time-Slotted Cognitive Radio", Proceedings of the IEEE 12th International Conference on Advanced Networks and Telecommunications Systems (ANTS 2018), Indore, India, pp. xx-xx, December 16 - 19, 2018
21. Om Thakkar, Dhaval K. Patel, Shivam Raval, Miguel López-Benítez, "Performance  Analysis of Selection Diversity Combining Using Improved Energy Detection", Proceedings of the IEEE 15th India Council International Conference (INDICON 2018), Coimbatore - India, pp. xx-xx, December 16 - 18, 2018
22. Kartik Patel, Dhaval K Patel, M. López-Benítez, Sanjay Chaudhary, "Distribution-free spectrum sensing for full-duplex cognitive radio", Proceedings of the IEEE 88th Vehicular Technology Conference (VTC 2018 Fall), Chicago, USA, August 27-30, 2018, pp. 1-5
23. M. López-Benítez, Ahmed Al-Tahmeesschi, Dhaval K Patel "Accurate Estimation of the Minimum Primary Channel Activity Time in Cognitive Radio Based on Periodic Spectrum Sensing Observations"  Proceedings of the 24th European Wireless Conference (EW 2018), Catania-Italy,  May 2-4 2018 
24. Maunil Vyas, Dhaval K Patel, and M. López-Benítez, "Artificial Neural Network Based Hybrid Spectrum Sensing Scheme for Cognitive Radio",  Proceedings of the 28th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2017), October  8-13, 2017, Montreal, Canada
25. Mitul Panchal, Dhaval K Patel, and Sanjay Chaudhary, "Spectrum Occupancy Classification Using SVM-Radial Basis Function", Proceedings of the 12th Springer / EAI International Conference on Cognitive Radio Oriented Wireless Networks (CROWNCOM-2017), September 20-21, 2017, Lisbon, Portugal.
26. Dhaval K Patel and Y. N. Trivedi, "LRS-G2 Based Non-parametric Spectrum Sensing for Cognitive Radio,  Proceedings of the 11th  International Conference on Cognitive Radio Oriented Wireless Networks and Communications (CROWNCOM-2016), Springer International Publishing, pp. 330-341, June 2016
27. Dhaval K Patel and Y. N. Trivedi, " Spectrum Sensing Based on Censored Observations in Time-Varying Channels using AR-1 Model", Nirma University Journal of Engineering and Technology, vol. 3 no. 1, pp. 8-11, Jan. 2015.
28. Dhaval K Patel and Y N. Trivedi, "Non-parametric Spectrum Sensing Based on Censored Observations in Quasi-static Fading Channel for Cognitive radio" in 76th meetings of the Wireless Innovation Forum (WINNF), Proceedings of SDR-WInnComm-Europe 11-13 June 2013, pp.  108-111. 
29. Dhaval K Patel  and Y. N. Trivedi, " Spectrum Sensing Based on Censored Observations in Time-Varying Channels using AR-1 Model." Nirma University Journal of Engineering and Technology, vol. 3 no. 1, pp. 8-11, Jan. 2015.
30. Dhaval K Patel, Ketul. Patel and M. Patel," Scalability analysis in Wireless Sensor Network with LEACH Routing Protocol", IEEE International conference CAMAN at Wuhan, China, pp 1-6, 2011

• Probabilistic Graphical Models (B.Tech Sem. VII - ICT)

• Probability and Random Processes (B.Tech Sem. IV - ICT)

• Machine Learning

• Wireless Communications 

• Advanced Wireless Communications 

• Events Organised: 

  [2019]

  • Faculty Development Program on "Machine Learning for xG wireless Networks: Performance Analysis and Monte Carlo Simulations" (As a part of DST-ASEAN and DST-UKIERI Project) Organized by School of Engineering and Applied Science, Ahmedabad University, June 10-15, 2019 [FDP Website: https://ahduni.edu.in/seas/wireless-fdp2019/index.html  and  Registration Link: http://goo.gl/k7GFrz]

  [2018]

  • Faculty Development Program on "Advanced 5G Wireless Communications: Performance Analysis and Monte-Carlo Simulations" (As a part of DST-ASEAN and DST-UKIERI Project) Organized by School of Engineering and Applied Science, Ahmedabad University, June 18-23, 2018 [FDP Website: https://ahduni.edu.in/seas/wireless-fdp2018/ and  Registration Link: https://goo.gl/R6tu4m ]

  [2017]

  • Faculty Development Program on "Advanced Wireless Communications using USRP / GNURadio" (As a part of DST-UKIERI Project) Organized by School of Engineering and Applied Science, Ahmedabad University, August 16-20, 2017 [FDP Website: https://ahduni.edu.in/seas/wireless-fdp/index.html]

  [2016]

  • UG workshop on "Introduction to OFDM using N210" By Dr. Siddhartan Govindasamy from Olin School, MA, USA.

  International Journals (Reviewer):

  1. IEEE Transactions on Wireless Communications 
  2. IEEE Communication Letters
  3. Springer Wireless Personal Communications
  4. Springer Proceedings of the National Academy of Sciences, India Section A: Physical Sciences
  5. International Journal of Information system 

   International Conferences:

  1. INDICON'19
  2. WCNC'19
  3. PIMRC'18
  4. MALSIP'15: Springer LNEE Conference
  5. ARiEET'15:  Malaysia Technical Scientist Association, Bandung, Indonesia
  6. WCITCA: A World Congress on Information Technology, Hammamet, Tunisia
  7. TENSYMP: Industrial Internet Workshop (TPC Member), Gandhinagar
  8. ICCSEIT: International Conference on Computer supported Education and Information Technology, Kathmandu, Nepal
  9. NUiCONE: Nirma University International Conference on Engineering, Ahmedabad, India
  10. ICSPT: International Conference on Signal Processing and Telecommunications, Sousse, Tunisia
  11. ISSP:  International Conference on Intelligent Systems and Signal Processing, G.H.Patel College of Engineering, V.V.Nagar, India