Staff Profile

Fei is a member of the µSystems (microSystems) Research Group and his profile can be viewed on Google Scholar and Research Gate.

Research Interests

Asynchronous Data Communication. Asynchrnous System Design. Systems and Networks on Chip. Energy and Power in Computing.

Mentors: Prof. A.V.Yakovlev

Dr A.M.Koelmans

Current Work

Recently I was a senior research fellow in the EPSRC-funded PRiME project. I am now working on the STRATA project.

Future Research

Undergraduate Teaching

CSC164 (CSC1004), 2005-2006

EEE2013, 2018/2019

Postgraduate Teaching

EEE855 (now EEE8040), EEE859 (now EEE8043) 2005-2006, 2009-2013

EEE8126, 2018/1019

• Xia F, Rafiev A, Aalsaud A, Al-Hayanni M, Davis J, Levine J, Mokhov A, Romanovsky A, Shafik R, Yakovlev A, Yang S. Voltage, Throughput, Power, Reliability and Multicore Scaling. IEEE Computer Magazine 2017, 50(8), 34-45.
• Al-hayanni MAN, Rafiev A, Xia F, Shafik R, Romanovsky A, Yakovlev A. PARMA: Parallelization-Aware Run-time Management for Energy-Efficient Many-Core Systems. IEEE Transactions on Computers 2020, 69(10), 1507-1518.
• Al-Hayanni MAN, Xia F, Rafiev R, Romanovsky A, Shafik R, Yakovlev A. Amdahl’s law in the context of heterogeneous many-core systems – a survey. IET Computers & Digital Techniques 2020, 14(4), 133-148.
• Mileiko S, Bunnam T, Xia F, Shafik R, Yakovlev A, Das S. Neural network design for energy-autonomous artificial intelligence applications using temporal encoding. Philosophical Transactions of the Royal Society A 2020, 378(2164), 20190166.
• Rafiev A, Al-Hayanni MAN, Xia F, Shafik R, Romanovsky A, Yakovlev A. Speedup and Power Scaling Models for Heterogeneous Many-Core Systems. IEEE Transactions on Multi-Scale Computing Systems 2018, 4(3), 436-449.
• Dahir NS, Mak T, Xia F, Yakovlev A. Modelling and Tools for Power Supply Variations Analysis in Networks-on-Chip. IEEE Transactions on Computers 2014, 63(3), 679-690.
• Golubcovs S, Shang DL, Xia F, Mokhov A, Yakovlev A. Concurrent Multiresource Arbiter: Design and Applications. IEEE Transactions on Computers 2013, 62(1), 31-44.
• Al-Dujaily R, Mak T, Lam K-P, Xia F, Yakovlev A, Poon C-S. Dynamic On-Chip Thermal Optimization for Three-Dimensional Networks-On-Chip. The Computer Journal 2013, 56(6), 756-770.
• Al-Dujaily R, Dahir N, Mak T, Xia F, Yakovlev A. Dynamic programming-based runtime thermal management (DPRTM): An online thermal control strategy for 3D-NoC systems. ACM Transactions on Design Automation of Electronic Systems (TODAES) 2013, 19(1), 2.1-2.27.
• Karkar AJ, Turner JE, Tong K, Al-Dujaily R, Mak T, Yakovlev A, Xia F. Hybrid wire-surface wave interconnects for next-generation networks-on-chip. IET Computers & Digital Techniques 2013, 7(6), 294-303.
• Ramezani R, Yakovlev A, Xia F, Murphy J, Shang D. Voltage Sensing Using an Asynchronous Charge-to-Digital Converter for Energy-Autonomous Environments. IEEE Journal on Emerging and Selected Topics in Circuits and Systems (JETCAS) 2013, 3(1), 35-44.
• Xia F, Mokhov A, Zhou Y, Chen Y, Mitrani I, Shang D, Sokolov D, Yakovlev A. Towards power-elastic systems through concurrency management. IET Computers and Digital Techniques 2012, 6(1), 33-42.
• Al-Dujaily R, Mak T, Xia F, Yakovlev A, Palesi M. Embedded Transitive Closure Networks for Runtime Deadlock Detection in Networks-on-Chip. IEEE Transactions on Parallel and Distributed Systems 2012, 23(7), 1205-1215.
• Yu B, Mak T, Li X, Xia F, Yakovlev A, Sun Y, Poon C. Real-Time FPGA-Based Multichannel Spike Sorting Using Hebbian Eigenfilters. IEEE Journal on Emerging and Selected Topics in Circuits and Systems (JETCAS) 2012, 1(4), 502-515.
• Zhang X, Shang D, Xia F, Yakovlev A. A Novel Power Delivery Method for Asynchronous Loads in Energy Harvesting Systems. ACM Journal on Emerging Technologies in Computing Systems (JETC) 2011, 7(4), 16.1-16.22.
• Baz A, Shang D, Xia F, Yakovlev A. Self-timed SRAM for Energy Harvesting Systems. Journal of Low Power Electronics 2011, 7(2), 274-284.
• Dai L, Shang D, Xia F, Yakovlev A. Monitoring circuit based on threshold for fault-tolerant NoC. Electronics Letters 2010, 46(14), 984-985.
• Chen Y, Xia F, Shang D, Yakovlev A. Fine-grain stochastic modelling of dynamic power management policies and analysis of their power-latency tradeoffs. IET Software 2009, 3(6), 458-469.
• Shang D, Burns F, Koelmans A, Yakovlev A, Xia F. Asynchronous system synthesis based on direct mapping using VHDL and Petri nets. IEE Proceedings - Computers and Digital Techniques 2004, 151(3), 209-220.
• Xia F, Yakovlev AV, Clark IG, Shang D. Data communication in systems with heterogeneous timing. IEEE Micro 2002, 22(6), 58-69.
• Li D, Xia F, Luo J, Yakovlev A. Modelling Reversion Loss and Shoot-through Current in Switched-Capacitor DC-DC Converters with Petri Nets. In: 29th International Symposium on Power and Timing Modeling, Optimization and Simulation (PATMOS 2019). 2019, Rhodes, Greece: IEEE.
• Aalsaud A, Rafiev A, Xia F, Shafik R, Yakovlev A. Model-free Runtime Management for Concurrent Workloads on Many-Core Heterogeneous Systems. In: 28th International Symposium on Power and Timing Modeling, Optimization and Simulation (PATMOS 2018). 2018, Platja d'Aro, Spain: IEEE.
• Aalsaud A, Alrudainy H, Shafik R, Xia F, Yakovlev A. MEMS-Based Runtime Idle Energy Minimization for Bursty Workloads in Heterogeneous Many-Core Systems. In: 28th International Symposium on Power and Timing Modeling, Optimization and Simulation (PATMOS 2018). 2018, Platja d'Aro, Spain: IEEE.
• Li D, Shang D, Xia F, Yakovlev A. Modelling Switched-Capacitor DC-DC Converters with Signal Transition Graphs. In: SMACD 2018 - 15th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design. 2018, Prague, Czech Republic: Institute of Electrical and Electronics Engineers Inc.
• Gensh R, Rafiev A, Romanovsky A, Garcia A, Xia F, Yakovlev A. Architecting Holistic Fault Tolerance. In: 18th IEEE International Symposium on High-Assurance Systems Engineering (HASE 2017). 2017, Singapore: IEEE Computer Society.
• Gensh R, Rafiev A, Xia F, Romanovsky A, Yakovlev A. Modelling for systems with holistic fault tolerance. In: 9th International Workshop on Software Engineering for Resilient Systems (SERENE 2017). 2017, Geneva, Switzerland: Springer Verlag.
• Rafiev A, Mokhov A, Xia F, Iliasov A, Gensh R, Aalsaud A, Romanovsky A, Yakovlev A. Resource-Driven Modelling for Managing Model Fidelity. In: Molnos A; Fabre C, ed. Model-Implementation Fidelity in Cyber Physical System Design. Cham, Switzerland: Springer International Publishing AG, 2017, pp.25-55.
• Rafiev A, Xia F, Iliasov A, Gensh R, Aalsaud A, Romanovsky A, Yakovlev A. Selective abstraction and stochastic methods for scalable power modelling of heterogeneous systems. In: Forum on Specification and Design Languages (FDL). 2017, Bremen, Germany: IEEE Computer Society.
• Rafiev A, Xia F, Iliasov A, Romanovsky A, Yakovlev A. Selective Abstraction for Estimating Extra-Functional Properties in Networks-on-Chips using ArchOn Framework. In: 17th International Conference on Application of Concurrency to System Design (ACSD). 2017, Zaragoza, Spain: IEEE.
• Al-Hayanni M, Shafik R, Rafiev A, Xia F, Yakovlev A. Speedup and Parallelization Models for Energy-Efficient Many-Core Systems Using Performance Counters. In: 2017 International Conference on High Performance Computing & Simulation. 2017, Genoa, Italy: IEEE.
• Alrudainy HM, Mokhov A, Xia F, Yakovlev A. Ultra-Low Energy Data Driven Computing Using Asynchronous Micropipelines and Nano-Electro-Mechanical Relays. In: Proceedings of IEEE Computer Society Annual Symposium on VLSI, ISVLSI. 2017, Bochum, Germany: IEEE Computer Society.
• Xu Y, Shang D, Xia F, Yakovlev A. A Smart All-Digital Charge to Digital Converter. In: 23rd IEEE International Conference on Electronics Circuits and Systems. 2016, Monte Carlo, Monaco: Institute of Electrical and Electronics Engineers Inc.
• Gao K, Shang D, Xia F, Yakovlev A. Fast capacitance-to-digital converter with internal reference. In: IEEE Biomedical Circuits and Systems Conference (BioCAS). 2016, Shanghai: IEEE.
• Shang D, Xu Y, Gao K, Xia F, Yakovlev A. Low power voltage sensing through capacitance to digital conversion. In: 2016 IEEE 19th International Symposium on Design and Diagnostics of Electronic Circuits & Systems (DDECS). 2016, Kosice, Slovakia: IEEE.
• Al-Hayanni M, Rafiev A, Shafik RA, Xia F. Power and Energy Normalized Speedup Models for Heterogeneous Many Core Computing. In: International Conference on Application of Concurrency to System Design (ACSD). 2016, Toruń, Poland: IEEE.
• Travers M, Shafik RA, Xia F. Power-Normalized Performance Optimization of Concurrent Many-Core Applications. In: 16th International Conference on Application of Concurrency to System Design (ACSD). 2016, Torun, Poland: Institute of Electrical and Electronics Engineers Inc.
• Rafiev A, Xia F, Iliasov A, Gensh R, Aalsaud A, Romanovsky A, Yakovlev A. Error-Based Metric for Cross-Layer Cut Determination. In: Languages, Design Methods, and Tools for Electronic System Design: Selected Contributions from FDL 2016. 2018, Bremen, Germany: Springer Verlag.
• Aalsaud A, Shafik R, Rafiev A, Xia F, Yang S, Yakovlev A. Power-Aware Performance Adaptation of Concurrent Applications in Heterogeneous Many-Core Systems. In: Proceedings of the 2016 International Symposium on Low Power Electronics and Design (ISLPED 16). 2016, San Franciso Airport, CA, USA: ACM.
• Iliasov A, Rafiev A, Xia F, Gensh R, Romanovsky A, Yakovlev A. A formal specification and prototyping language for multi-core system management. In: 23rd Euromicro International Conference on Parallel, Distributed and Network-Based Processing (PDP 2015). 2015, Turku: IEEE.
• Shang DL, Benafa O, Xia F, Xu YQ, Yakovlev A. An Elastic Timer for Wide Dynamic Working Range. In: 2015 IEEE 13th International New Circuits and Systems Conference (NEWCAS). 2015, Grenoble, France: IEEE.
• Rafiev A, Xia F, Iliasov A, Gensh R, Aalsaud A, Romanovsky A, Yakovlev A. Order Graphs and Cross-Layer Parametric Significance-driven Modelling. In: 15th International Conference on Application of Concurrency to System Design (ACSD'15). 2015, Brussels, Belgium: IEEE Computer Society.
• Gao K, Xu Y, Shang D, Xia F, Yakovlev A. Wideband Dynamic Voltage Sensing Mechanism for EH Systems. In: Power and Timing Modeling, Optimization and Simulation (PATMOS), 2015 25th International Workshop on. 2015, Salvador, Bahia, Brazil: IEEE.
• Rafiev A, Iliasov A, Romanovsky A, Mokhov A, Xia F, Yakovlev A. Studying the Interplay of Concurrency, Performance, Energy and Reliability with ArchOn - An Architecture-Open Resource-Driven Cross-Layer Modelling Framework. In: 14th International Conference on Application of Concurrency to System Design (ACSD 2014). 2015, Tunis, Tunisia: IEEE Computer Society.
• Rafiev A, Iliasov A, Romanovsky A, Mokhov A, Xia F, Yakovlev A. ArchOn: Architecture-open Resource-driven Cross-layer Modelling Framework. In: ES4CPS@DATE 2014 - International Workshop on Engineering Simulations for Cyber-Physical Systems. 2014, Dresden, Germany.
• Shang D, Zhang X, Xia F, Yakovlev A. Asynchronous design for new on-chip wide dynamic range power electronics. In: 2014 Design, Automation and Test in Europe Conference and Exhibition (DATE). 2014, Dresden, Germany: IEEE.
• Baz A, Shang D, Xia F, Gu X, Yakovlev A. Energy efficiency of micropipelines under wide dynamic supply voltages. In: Faible Tension Faible Consommation (FTFC), 2014 IEEE. 2014, Monaco, Monaco: IEEE.
• Al-Dujaily R, Mak T, Xia F, Yakovlev A, Palesi M. Run-Time Deadlock Detection. In: M. Palesi and M. Daneshtalab, ed. Routing Algorithms in Network-on-Chip. New York, NY, USA: Springer Science+Business Media, 2014, pp.41-68.
• Shang D, Xia F, Yakovlev A. Wide-range, reference free, on-chip voltage sensor for variable Vdd operations. In: 2013 IEEE International Symposium on Circuits and Systems (ISCAS). 2013, Beijing, China: IEEE.
• Zhang XF, Shang DL, Xia F, Low HS, Yakovlev A. A Hybrid Power Delivery Method for Asynchronous Loads in Energy Harvesting Systems. In: 10th IEEE International New Circuits and Systems Conference (NEWCAS). 2012, Montreal, Canada: IEEE.
• Dahir N, Mak T, Xia F, Yakovlev A. Minimizing Power Supply Noise Through Harmonic Mappings in Networks-on-Chip. In: CODES+ISSS'12:PROCEEDINGS OF THE TENTH ACM INTERNATIONAL CONFERENCE ON HARDWARE/SOFTWARE-CODESIGN AND SYSTEM SYNTHESIS. 2012, 1515 BROADWAY, NEW YORK, NY 10036-9998 USA: ASSOC COMPUTING MACHINERY.
• Ghasempour M, Shang DL, Xia F, Yakovlev A. Ultra-Low Power Transmitter. In: 2012 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS 2012). 2012, 345 E 47TH ST, NEW YORK, NY 10017 USA: IEEE.
• Baz A, Shang DL, Xia F, Yakovlev A, Bystrov A. Improving the Robustness of Self-timed SRAM to Variable Vdds. In: Integrated Circuit and System Design. Power and Timing Modeling, Optimization and Simulation: 21st International Workshop (PATMOS). 2011, Madrid, Spain: Springer.
• Al-Dujaily R, Mak T, Xia F, Yakovlev A, Palesi M. Run-Time Deadlock Detection in Networks-on-Chip Using Coupled Transitive Closure Networks. In: Design, Automation and Test in Europe (DATE). 2011, Grenoble, France.
• Low HS, Shang DL, Xia F, Yakovlev A. Variation Tolerant Asynchronous FPGA. In: 17th International Symposium on Asynchronous Circuits and Systems (ASYNC). 2011, Ithaca, NY, USA: Institution of Electronic and Electrical Engineers.
• Shang D, Xia F, Yakovlev A. Asynchronous FPGA architecture with distributed control. In: IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems (ISCAS). 2010, Paris, France: IEEE.
• Shang D, Xia F, Yakovlev A. Highly parallel multi-resource arbiters. In: IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems (ISCAS). 2010, Paris, France: IEEE.
• Shang DL, Xia F, Golubcovs S, Yakovlev A. The Magic Rule of Tiles: Virtual Delay Insensitivity. In: 19th International Workshop on Power and Timing Modeling, Optimization and Simulation (PATMOS 2009). 2010, Delft, Netherlands: Springer.
• Gorgonio K, Xia F. Modeling and verifying asynchronous communication mechanisms using coloured petri nets. In: Proceedings of the 8th International Conference on Application of Concurrency to System Design, ACSD. 2008, Xian: IEEE.
• Cortadella J, Gorgonio K, Xia F, Yakovlev A. Automating synthesis of asynchronous communication mechanisms. In: Proceedings - Fifth International Conference on Application of Concurrency to System Design, ACSD 2005. 2005, St Malo, France: IEEE.
• Xia F, Hao F, Clark I, Yakovlev A, Chester EG. Buffered asynchronous communication mechanisms. In: Fourth International Conference on Application of Concurrency to System Design (ACSD). 2004, Hamilton, Ontario, Canada: IEEE.
• Yakovlev A, Xia F. Towards synthesis of asynchronous communication mechanisms. In: B. Caillaud, P. Darondeau, L. Lavagno and X. Xie, ed. Synthesis and Control of Discrete Event Systems. London: Kluwer Academic Publishers, 2002, pp.57-75.
• Xia F, Yakovlev A, Shang D, Bystrov A, Koelmans A, Kinniment D. Asynchronous communication mechanisms using self-timed circuits. In: 6th International Symposium on Advanced Research in Asynchronous Circuits and Systems (ASYNC 2000). 2000, Eliat, Israel: IEEE Computer Society.
• Xia F, Clark IG. Complementing Role Models with Petri Nets in Studying Asynchronous Data Communications. In: Yakovlev, A., Gomes, L. and Lavagno, L, ed. Hardware Design and Petri Nets. London, UK: Kluwer Academic, 2000, pp.33-50.