# Dr Yunfei Chen

Welcome to Yunfei Chen's Homepage

 Yunfei Chen Associate Professor School of Engineering University of Warwick Coventry, United Kingdoms CV4 7AL

Biography:

I received my BSc (engineering) degree and MSc (engineering) degree from the Department of Electronic Engineering at Shanghai Jiaotong University, Shanghai, China, in 1998 and 2001, respectively. I received my Ph.D. degree from the Department of Electrical and Computer Engineering at the University of Alberta in 2006. All degrees are in the field of communications. I then worked as a postdoctoral fellow in the iCORE Wireless Communications Laboratory at the same department. From 2007 to 2009, I worked as an Assistant Professor in the School of Engineering at the University of Warwick. Currently, I am working as an Associate Professor in the School of Engineering at the University of Warwick.

Research Interests:

• Communications and Statistical Signal Processing
• Wireless System Design and Analysis
• UAV Communications
• Wireless Energy Harvesting
• Wireless Relaying and Sensing
• Multiple Input Multiple Output Systems
• Channel Estimation and Modelling
• Diversity and Modulation

Professional Activities:

• Senior Member of IEEE

• Editor for the IEEE Communications Letters, 2009 - 2012

• Associate Editor of Cognitive Radio and Performance Analysis for the IEEE Transactions on Communications, 2012 - 2014

• Editor for the IEEE Wireless Communications Letters, 2011 - 2014

• Exemplary Reviewer for the IEEE Transactions on Communications, 2017

• Exemplary Reviewer for the IEEE Wireless Communications Letters 2015, 2016

• Exemplary Reviewer for the IEEE Communications Letters 2015

• Member of the Technical Program Committees for major international conferences, including Globecom, PIMRC, ICC, IWCMC, VTC

• Program co-chair for IEEE ICSAI 2014

• Track Chair of Next-Generation Wireless Networks for IEEE CISIS 2017

• Guest Editor, Special Issue “Cognition and cooperation in advanced wireless and mobile information systems,” Hindawi Mobile Information System, 2016

• Guest Editor, Special Issue “Energy harvesting and wireless power transfer enabled wireless networks,” Elsevier Physical Communications, 2018

• Guest Editor, Special Issue “Cloud and big data-based next-generation cognitive radio networks,” IEEE Access, 2018.

Honors and Awards:

• Co-recipient of Best Paper Award, “Internal Collusive Eavesdropping of Interference Alignment Networks,” IEEE VTC-Spring, 2017 (the only one out of more than 500 papers)
• Co-recipient of Best Paper Award, “Energy-Spectral Efficiency in Simultaneous Wireless Information and Power Transfer,” IEEE ICCC 2016
• Visiting Associate Professor, Engineering, New York University Abu Dhabi, Abu Dhabi, U.A.E. Jan. 2014- Mar. 2014
• Local Innovation Global Impact Patent Award for US patent “Methods for UWB Channel Estimation,”, Tec Edmonton, Canada, 2013
• Visiting Professor, College of Computer and Information, Hohai University, Nanjing, China, 2011-2015

• NSERC Innovation Challenge Award Honorable Mention Prize, Canada, 2006

Modules Taught:
• ES335 Communications Systems
• ES4D2 Antenna, Propagation and Wireless Communication Theory (2nd part)
• ES174 Design for Function (Electroic Design Project)

Selected Publications in the Past 5 Years:

Book Chapters

[1] Y. Chen, “Cognitive Radio Energy Saving and Optimization,” in Energy Management in Wireless Cellular and Ad Hoc Networks, Springer.

[2] Y. Chen, “Relaying in non-ideal conditions,” in Relaying Technologies in Future Cooperative Communications Systems, IET Press.

[3] Y. Chen, “Massive & Network MIMO,” in Access, Fronthaul and Backhaul Networks for 5G and Beyond, IET Press.

[4] Y. Chen, “Energy Harvesting for Wireless Relaying Systems,” in Wireless Information and Power Transfer: A New Paradigm for Green Communications, Springer.

Journal Papers (Published and Accepted)

[1] N. Zhao, R. Yu, M. Li, Y. Chen, V. Leung, “Collusive eavesdropping in interference alignment (IA)-based wireless networks,” IEEE Transactions on Wireless Communications, vol. 16, pp. 5549 – 5561, Aug. 2017.

[2] Y. Chen, W. Feng, R. Shi, N. Ge, “Pilot-based channel estimation for AF relaying using energy harvesting,” IEEE Transactions on Vehicular Technology, vol. 66, pp. 6877 – 6886, Aug. 2017.

[3] H. Ding, X. Wang, D. de Costa, Y. Chen, F.K. Gong, “Adaptive time-switching based energy harvesting relaying protocols,” IEEE Transactions on Communications, vol. 65, pp. 2821 – 2837, July 2017.

[4] M. Wu, Z. Yin, Z. Yang, N. Zhao, Y. Chen, “A joint multiuser detection scheme for UWB sensor networks using waveform division multiple access,” IEEE Access, vol. 5, pp. 11717 – 11726, June 2017.

[5] N. Zhao, S. Zhang, R. Yu, Y. Chen, A. Nallanathan, V.C.M. Leung, “Exploiting interference for energy harvesting: a survey, research issues and challenges,” IEEE Access, vol. 5, pp. 10403 – 10421, May 2017.

[6] Y. Lu, M. Higgins, M.S. Leeson, Y. Chen, P. Jennings, “A revised look at the effects of the channel model on molecular communication system,” Micro & Nano Letters, vol. 12, pp. 136 – 139, Feb. 2017.

[7] Z. Xie, Y. Chen, Y. Gao, Y. Wang, Y. Su, “Wireless powered communication networks using peer harvesting,” IEEE Access, vol. 5, pp. 3454 – 3464, Feb. 2017.

[8] Y. Chen, R. Shi, W. Feng, N. Ge, “AF relaying with energy harvesting source and relay,” IEEE Transactions on Vehicular Technology, vol. 66, pp. 874 – 879, Jan. 2017.

[9] Fen Cheng, Yan Yu, Zhongyuan Zhao, Nan Zhao, Yunfei Chen, and Hai Lin, “Power allocation for cache-aided small-cell networks with limited backhaul,” IEEE Access, vol. 5, pp. 1272 – 1283, Jan. 2017.

[10] H. Zhao, Y. Tan, G. Pan, Y. Chen, N. Yang “Secrecy outage on transmit antenna selection/maximal ratio combining in MIMO cognitive radio networks,” IEEE Transactions on Vehicular Technology, vol. 65, pp. 10236 – 10242, Dec. 21016.

[11] Y. Lu, M. Higgins, M.S. Leeson, Y. Chen, A. Noel, “The effect of two receivers on broadcast molecular communication systems,” IEEE Transactions on NanoBioscience, vol. 15, pp. 891 – 900, Dec. 2016.

[12] Y. Chen, K.S. Thomas, R.A.A. Abd, “New formula for conversion efficiency of RF EH and its wireless applications,” IEEE Transactions on Vehicular Technology, vol. 65, pp. 9410 – 9414, Nov. 2016.

[13] W. Guo, S. Zhou, Y. Chen, S. Wang, X. Chu, Z. Niu, “Simultaneous information and energy flow for relay systems with crowd harvesting,” IEEE Communications Magazine, vol. 54, pp. 143 – 149, Nov. 2016.

[14] Y. Chen and H.-S. Oh, “Spectrum measurement modelling and prediction based on wavelets,” IET Communications, vol. 10, pp. 2192 – 2198, Oct. 2016.

[15] C. Wu, Q. Shi, C. He, Y. Chen, “Energy utilization efficient frame structure for energy harvesting cognitive radio networks,” IEEE Wireless Communications Letters, vol. 5, pp. 488 – 491, Oct. 2016.

[16] W. Feng, R. Shi, Y. Chen, N. Ge, J. Lu, “Exploiting macro-diversity in massively distributed antenna systems: a controllable coordination perspective,” IEEE Trans. Vehicular Technology, vol. 65, pp. 8720 – 8724, Oct. 2016.

[17] F. Azmat, Y. Chen and N.G. Stocks, “Analysis of spectrum occupancy using machine learning algorithms,” IEEE Transactions on Vehicular Technology, vol. 65, pp. 6853 – 6860, Sept. 2016.

[18] W. Feng, Y. Chen, N. Ge, J. Lu, “Optimal energy-efficient power allocation for distributed antenna systems with imperfect CSI,” IEEE Transactions on Vehicular Technology, vol. 65, pp. 7759 – 7763, Sept. 2016.

[19] G. Pan, H. Lei, Y. Deng, L. Fan, J. Yang, Y. Chen, and Z. Ding, “On secrecy performance of MISO SWIPT systems with TAS and imperfect CSI,” IEEE Transactions on Communications, vol. 64, pp. 3831 – 3843, Sept. 2016.

[20] Z. Xie, Y. Chen, Y. Gao, “Joint iterative interference alignment and energy harvesting for multi-user two-tier networks,” IEEE Wireless Communications Letters, vol. 4, pp. 597 – 600, June 2015.

[21] Y. Gao, Y. Chen, A. Bekkali, “Performance of passive UHF RFID in cascaded correlated generalized Rician fading,” IEEE Communications Letters, vol. 20, pp. 660 – 663, Apr. 2016.

[22] G. Pan, C. Tang, X. Zhang, T. Li, Y. Weng, Y. Chen, “Physical layer security over non-small scale fading channels,” IEEE Transactions on Vehicular Technology, vol. 65, pp. 1326 – 1339, Mar. 2016.

[23] Y. Chen, D. Da Costa, H. Ding, “Effect of CCI on WPC With Time-Division Energy and Information Transmission,” IEEE Wireless Communications Letters, vol. 5, pp. 168 – 171, Feb. 2016.

[24] Y. Chen, “Energy harvesting AF relaying in the presence of interference and Nakagami-m fading,” IEEE Transactions on Wireless Communications, vol. 15, pp. 1008 – 1017, Feb. 2016.

[25] F. Azmat, Y. Chen and N.G. Stocks, “Predictive modelling of RF energy for wireless powered communications,” IEEE Communications Letters, vol. 20, pp. 173 – 176, Jan. 2016.

[26] Y. Zhang, W. Feng, N. Ge, Y.Chen “Joint transceiver design for incremental channel estimation in distributed MIMO systems,” IEEE Communications Letters, vol. 20, pp. 185 – 188, Jan. 2016.

[27] Y. Chen and H.-S. Oh, “A survey of measurement-based spectrum occupancy modeling for cognitive radios,” IEEE Communications Surveys and Tutorials, vol. 18, pp. 848 – 859, First Quarter, 2016.

[28] J. Wang, W. Feng, Y. Chen, S. Zhou, “Energy efficient power allocation for multicell distributed antenna systems,” IEEE Communications Letters, vol. 20, pp. 177 – 180, Jan. 2016.

[29] F. Azmat, Y. Chen and N.G. Stocks, “Bio-inspired collaborative spectrum sensing and allocation for cognitive radio,” IET Communications, vol. 9, pp. 1949 – 1959, Nov. 2015.

[30] Y. Zhou, G. Pan, T. Li, H. Liu, C. Tang, Y. Chen, “Secrecy outage performance for partial relay selection schemes in dual-hop systems,” IET Communications, vol. 9, pp. 1980 – 1987, Nov. 2015.

[31] K. Wang, Y. Chen and M. Di Renzo, “Outage probability of dual-hop selective AF with randomly distributed and fixed interferers,” IEEE Transactions on Vehicular Technology, vol. 64, pp. 4603 - 4616, Oct. 2015.

[32] Y. Chen, “Suboptimum detectors for AF relaying with Gaussian noise and S$\alpha$S interference,” IEEE Transactions on Vehicular Technology, vol. 64, pp. 4833 – 4839, Oct. 2015.

[33] M. Mao, N. Cao, Y. Chen, Y. Zhou, “Multi-hop relaying using energy harvesting,” IEEE Wireless Communications Letters, vol. 4, pp. 565 – 568, Oct. 2015.

[34] G. Pan, C. Tang, T. Li, Y. Chen, “Secrecy performance analysis for SIMO simultaneous wireless information and power transfer systems,” IEEE Transactions on Communications, vol. 63, pp. 3423 – 3433, Sept. 2015.

[35] C. Wu, C. He, L. Jiang, Y. Chen, “Optimal channel sensing sequence design for spectrum handoff,” IEEE Wireless Communications Letters, vol. 4, pp. 353 – 356, Aug. 2015.

[36] K. Wang, T. Wang, Y. Chen and M.-S. Alouini, “Statistics of α - μ random variables and their applications in wireless multihop relaying and multiple scattering channels,” IEEE Transactions on Vehicular Technology, vol. 64, pp. 2754 – 2759, June 2015.

[37] Y. Chen and J. Chen “Novel S$\alpha$S PDF approximations and their applications in wireless signal detection,” IEEE Transactions on Wireless Communications, vol. 14, pp. 1080 – 1091, Feb. 2015.

[38] Y. Chen, F. Xu, J. Chen, “Polynomial-approximation-based locally optimum detector for signals with S$\alpha$S noise,” IET Communications, vol. 8, pp. 2952 – 2960, Nov. 2014.

[39] N. Cao, M. Mao, Y. Chen, “The effect of spectrum sensing errors on the performance of bit loading for orthogonal frequency division multiplexing-based cognitive radio systems,” IET Communications, vol. 8, pp. 3019 – 3028, Nov. 2014.

[40] M. Long, R Shi and Y. Chen, “Evaluation of generalized relay selection in the presence of feedback delay,” IET Communications, vol. 8, pp. 2633 – 2641, Oct. 2014.

[41] K. Wang, Y. Chen, M.-S. Alouini, “BER and optimal power allocation for amplify-and-forward relaying using pilot-aided maximum likelihood estimation,” IEEE Transactions on Communications, vol. 62, pp. 3462 – 3475, Oct. 2014.

[42] N. Cao, M. Mao, Y. Chen, “Analysis of collaborative spectrum sensing with BPSK signal power estimation errors,” IET-Science, Measurement & Technology, vol. 8, pp. 350 -358, Nov. 2014.

[43] G. Pan, Y. Chen, and Q. Feng, “Performance analysis of interference-limited cooperative systems with relay selection over independent log-normal fading channels,” IET Communications, vol. 8, pp. 1751 – 1761, July 2014.

[44] C. Wu, C. He, L. Jiang, Y. Chen, “Performance analysis of cooperative sensing in cognitive radio networks,” IEICE Transactions on Communications, vol. E97-A, pp. 1646 – 1649, July 2014.

[45] A. Zafar, R.M. Radaydeh, Y. Chen and M.-S. Alouini, “Enhancing the efficiency of constrained dual-hop variable-gain AF relaying under Nakagami-m fading,” IEEE Transactions on Signal Processing, vol. 62, pp. 3616 – 3630, June 2014.

[46] A. Zafar, Y. Chen, M.-S. Alouini, R. Radaydeh, “Power allocation strategies for fixed-gain half-duplex amplify-and-forward relaying in Nakagami-m fading,” IEEE Transactions on Wireless Communications, vol. 13, pp. 159 – 173, Jan. 2014.

[47] M. Long, Y. Chen and M. Di Renzo, “Performance analysis of relay selection in the presence of on-off relay traffic,” IEEE Transactions on Vehicular Technology, vol. 63, pp. 2959 – 2964, Dec. 2013.

[48] Y. Chen, L. Tang, and M. Long “Analysis of collaborative spectrum sensing without dedicated sensing period,” IET Communications, vol. 7, pp. 1617 – 1627, Oct. 2013.

[49] Y. Chen, J.A. Nossek, A. Mezghani, “Circuit-aware cognitive radios for efficient communications,” IEEE Wireless Communications Letters, vol. 2, pp. 323-326, June 2013.

[50] H. Sun, A. Nallanathan, C.-X. Wang, Y. Chen, “Wideband spectrum sensing for cognitive radio networks: a survey,” IEEE Wireless Communications, vol. 20, pp. 74 – 81, Apr. 2013.

[51] A. Rao, M.-S. Alouini, H. Ma, Y. Chen, “Impact of primary user traffic on adaptive transmission for cognitive radio with partial relay selection,” IEEE Transactions on Wireless Communications, vol. 12, pp. 1162-1172, Mar. 2013.

[52] K. Wang, Y. Chen, J. Chen, “Hard decision fusion with arbitrary numbers of bits for different samples,” IEEE Transactions on Vehicular Technology, vol. 62, pp. 879-884, Feb. 2013.

[53] N. Cao, F. Wang, Y. Chen, X. Hu, M. Long, “Estimation of the average fading powers of AF relay system,” IEEE Communications Letters, vol. 17, pp. 135-138, Jan. 2013.

[54] Y. Chen, R. Shi, M. Long, “Performance analysis of amplify-and-forward relaying with correlated links,” IEEE Transactions on Vehicular Technology, vol. 62, pp. 2344 – 2349, Jan. 2013.

[55] A. Zafar, R. Radaydeh, M.-S. Alouini, Y. Chen, “Energy-efficient power allocation for fixed-gain amplify-and-forward relay networks with partial channel state information,” IEEE Wireless Communications Letters, vol. 1, pp. 553-556, Dec. 2012.

[56] M. Long, Y. Chen, F. Peng, “BER improvement for CSK chaotic communication systems,” IET Communications, vol. 6, pp. 2639-2644, Nov. 2012.

[57] Y. Chen, M.-S. Alouini, L. Tang, and F. Khan, “Analytical evaluation of adaptive-modulation-based opportunistic cognitive radio in Nakagami-$m$ fading channels,” IEEE Transactions on Vehicular Technology, vol. 61, pp. 3294-3300, Sept. 2012.

[58] L. Tang, Y. Chen, A. Nallanathan, E.L. Hines, “Performance evaluation of spectrum sensing using recovered secondary frames with decoding errors,” IEEE Transactions on Wireless Communications, vol. 11, pp. 2934-2945, Aug. 2012.

[59] L. Tang, Y. Chen, E.L. Hines and M.-S. Alouini, “Performance analysis of spectrum sensing with multiple status changes in primary user traffic,” IEEE Communications Letters, vol. 16, pp. 844-847, June 2012.

[60] Y. Chen and Z. Tang, “Effect of spectrum sensing errors on the performance of OFDM-based cognitive radio transmission,” IEEE Transactions on Wireless Communications, vol. 11, pp. 2342-2350, June 2012.

[61] B. Zhao, Y. Chen and R. Green, “Hard-input-hard-output capacity analysis of UWB BPSK systems with timing errors,” IEEE Transactions on Vehicular Technology, vol. 61, pp. 1741-1751, May 2012.

[62] F. H. Khan, Y. Chen, M.-S. Alouini, “Novel receivers for AF relaying with distributed STBC using cascaded and disintegrated channel estimation,” IEEE Transactions on Wireless Communications, vol. 11, pp. 1370-1379, April 2012.

[63] Y. Chen, G. Karagidinis, H. Lu, N. Cao, “Novel approximations to the statistics of products of independent random variables and their applications in wireless communications,” IEEE Transactions on Vehicular Technology, vol. 61, pp. 443-454, Feb. 2012.

[64] B. Zhao, Y. Chen, Chen He and Lingge Jiang, “Performance analysis of spectrum sensing with multiple primary users”, IEEE Transactions on Vehicular Technology, vol. 61, pp. 914-918, Feb. 2012.

[65] H. Yu, D. Wang, R. Shi, G. Pan, Y. Chen, “On outage of WPC system with partial relay selection over Nakagami-$m$ fading Channels,” accepted by IEEE Transactions on Vehicular Technology.

[66] N. Zhao, R. Yu, Y. Chen, V. Leung, “Artificial noise assisted secure interference networks with wireless power transfer,” accepted by IEEE Transactions on Vehicular Technology.

[67] T. Qi, W. Feng, Y. Chen, Y. Wang, “When NOMA meets sparse signal processing: asymptotic performance analysis and optimal sequence design,” accepted by IEEE Access.

[68] Y. Hu, N. Cao, Y. Chen, M. Mao, Y. Feng, “Energy harvesting relaying using non-ideal relaying node in Rician fading channels,” accepted by IET Communications.

[69] Y. Chen, D. da Costa, H. Ding, “Interference Analysis in Wireless Power Transfer,” accepted by IEEE Communications Letters.

[70] D. Wang, A. Hu, Y. Chen, Y. Wang, X. You, “An ESPRIT-based approach for RF fingerprint estimation in multi-antenna OFDM systems,” accepted by IEEE Wireless Communications Letters.

[71] Y. Chen, N. Zhao, M.-S. Alouini, “Wireless energy harvesting using signals from multiple fading channels,” accepted by the IEEE Transactions on Communications.

[72] Z. Yin, X. Jiang, Z. Yang, N. Zhao, Y. Chen, “WUB-IP: a high-precision UWB positioning scheme for indoor multi-user applications,” accepted by IEEE Systems Journal.

[73] T. Li, Y. Li, Y. Chen, H. Zhang, “Estimation of MIMO transmit-antenna number using higher-order moments based hypothesis testing,” accepted by IEEE Wireless Communications Letters.

[74] N. Zhao, J. Guo, Z. Yang, F.R. Yu, Y. Chen, V.C.M. Leung, “Proactive jamming towards interference alignment networks: beneficial and adversarial aspects,” accepted by IEEE Systems Journal.

[75] Y. Chen, W. Feng, G. Zheng, “Optimum placement of UAV as relays,” accepted by IEEE Communications Letters.

Patents:

[1] N.C. Beaulieu and Y. Chen, “System and Method for Pilot Symbol Assisted Modulation”, U.S. and Canadian Provisional Patent.

[2] N.C. Beaulieu and Y. Chen, “Non-Data-Aided Channel Estimators for Multipath and Multiple Antenna Wireless Systems”, U.S. and Canadian Provisional Patent.

Contact Information: