Alex S. Weddell

Publication Activity (10 Years)

Years Active: 2008-2024
Publications (10 Years): 35

Top Topics

Probabilistic Relaxation

Computing Systems

Wireless Sensor Nodes

Top Venues

IEEE Trans. Comput. Aided Des. Integr. Circuits Syst.

Publications

Mahmoud Wagih, Abiodun Komolafe, Irfan Ullah, Alex S. Weddell, Steve P. Beeby
A Wearable All-Printed Textile-Based 6.78 MHz 15 W-Output Wireless Power Transfer System and Its Screen-Printed Joule Heater Application. IEEE Trans. Ind. Electron. 71 (4) (2024)
Sivert T. Sliper, William Wang, Nikos Nikoleris, Alex S. Weddell, Anand Savanth, Pranay Prabhat, Geoff V. Merrett
Pragmatic Memory-System Support for Intermittent Computing Using Emerging Nonvolatile Memory. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 42 (1) (2023)
Mahmoud Wagih, Alex S. Weddell, Steve P. Beeby
Battery-Free Wireless Light-Sensing Tag Based on a Long-Range Dual-Port Dual-Polarized RFID Platform. Sensors 22 (13) (2022)
Mansour Alzahrani, Alex S. Weddell, Gary B. Wills
Using Environmental Data for IoT Device Energy Harvesting Prediction. IoTBDS (2022)
Mahmoud Wagih, Geoffrey S. Hilton, Alex S. Weddell, Stephen P. Beeby
Millimeter-Wave Power Transmission for Compact and Large-Area Wearable IoT Devices Based on a Higher Order Mode Wearable Antenna. IEEE Internet Things J. 9 (7) (2022)
Jie Zhan, Geoff V. Merrett, Alex S. Weddell
Exploring the Effect of Energy Storage Sizing on Intermittent Computing System Performance. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 41 (3) (2022)
Oktay Cetinkaya, Bahareh Zaghari, Florentin Michel Jacques Bulot, Wissam Damaj, Stephen A. Jubb, Sebastian Stein, Alex S. Weddell, Martin Mayfield, Stephen P. Beeby
Distributed Sensing with Low-Cost Mobile Sensors Toward a Sustainable IoT. IEEE Internet Things Mag. 4 (3) (2021)
Tim Daulby, Anand Savanth, Geoff V. Merrett, Alex S. Weddell
Improving the Forward Progress of Transient Systems. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 40 (3) (2021)
Abiodun Komolafe, Bahareh Zaghari, Russel N. Torah, Alex S. Weddell, Hamideh Khanbareh, Zois Michail Tsikriteas, Mark Vousden, Mahmoud Wagih, Ulises Tronco Jurado, Junjie Shi, Sheng Yong, Sasikumar Arumugam, Yi Li, Kai Yang, Guillaume Savelli, Neil M. White, Stephen P. Beeby
E-Textile Technology Review-From Materials to Application. IEEE Access 9 (2021)
Mahmoud Wagih, Anand Savanth, Sahan Gamage, Alex S. Weddell, Steve P. Beeby
CMOS UHF RFID Rectifier Design and Matching: an Analysis of Process and Temperature Variations. RFID-TA (2021)
Jie Zhan, Alex S. Weddell, Geoff V. Merrett
Adaptive Energy Budgeting for Atomic Operations in Intermittently-Powered Systems. ENSsys@SenSys (2020)
Mahmoud Wagih, Oktay Cetinkaya, Bahareh Zaghari, Alex S. Weddell, Stephen P. Beeby
Real-World Performance of Sub-1 GHz and 2.4 GHz Textile Antennas for RF-Powered Body Area Networks. IEEE Access 8 (2020)
Samuel Chang Bing Wong, Sivert T. Sliper, William Wang, Alex S. Weddell, Stephanie Gauthier, Geoff V. Merrett
Energy-aware HW/SW Co-modeling of Batteryless Wireless Sensor Nodes. ENSsys@SenSys (2020)
Bahareh Zaghari, Aleksas Stuikys, Alex S. Weddell, Steve P. Beeby
Efficient Energy Conversion in Electrically Assisted Bicycles Using a Switched Reluctance Machine Under Torque Control. IEEE Access 8 (2020)
Sivert T. Sliper, William Wang, Nikos Nikoleris, Alex S. Weddell, Geoff V. Merrett
Fused: Closed-Loop Performance and Energy Simulation of Embedded Systems. ISPASS (2020)
Tim Daulby, Anand Savanth, Alex S. Weddell, Geoff V. Merrett
Comparing NVM Technologies through the Lens of Intermittent Computation. ENSsys@SenSys (2020)
Bahareh Zaghari, Alex S. Weddell, Kamran Esmaeili, Imran Bashir, Terry J. Harvey, Neil M. White, Patrick Mirring, Ling Wang
High-Temperature Self-Powered Sensing System for a Smart Bearing in an Aircraft Jet Engine. IEEE Trans. Instrum. Meas. 69 (9) (2020)
Sivert T. Sliper, Domenico Balsamo, Nikos Nikoleris, William Wang, Alex S. Weddell, Geoff V. Merrett
Efficient State Retention through Paged Memory Management for Reactive Transient Computing. DAC (2019)
Anand Savanth, Alex S. Weddell, James Myers, David Flynn, Bashir M. Al-Hashimi
A Sub-nW/kHz Relaxation Oscillator With Ratioed Reference and Sub-Clock Power Gated Comparator. IEEE J. Solid State Circuits 54 (11) (2019)
Yunpeng Cai, Anand Savanth, Pranay Prabhat, James Myers, Alex S. Weddell, Tom J. Kazmierski
Ultra-Low Power 18-Transistor Fully Static Contention-Free Single-Phase Clocked Flip-Flop in 65-nm CMOS. IEEE J. Solid State Circuits 54 (2) (2019)
Domenico Balsamo, Benjamin J. Fletcher, Alex S. Weddell, Giorgos Karatziolas, Bashir M. Al-Hashimi, Geoff V. Merrett
Momentum: Power-neutral Performance Scaling with Intrinsic MPPT for Energy Harvesting Computing Systems. ACM Trans. Embed. Comput. Syst. 17 (6) (2019)
Alberto Rodriguez Arreola, Domenico Balsamo, Geoff V. Merrett, Alex S. Weddell
RESTOP: Retaining External Peripheral State in Intermittently-Powered Sensor Systems. Sensors 18 (1) (2018)
Sivert T. Sliper, Domenico Balsamo, Alex S. Weddell, Geoff V. Merrett
Enabling intermittent computing on high-performance out-of-order processors. ENSsys@SenSys (2018)
Anand Savanth, James Myers, Alex S. Weddell, David Flynn, Bashir M. Al-Hashimi
5.6 A 0.68nW/kHz supply-independent Relaxation Oscillator with ±0.49%/V and 96ppm/°C stability. ISSCC (2017)
Yunpeng Cai, Anand Savanth, Pranay Prabhat, James Myers, Alex S. Weddell, Tom J. Kazmierski
Evaluation and analysis of single-phase clock flip-flops for NTV applications. PATMOS (2017)
Alberto Rodriguez Arreola, Domenico Balsamo, Geoff V. Merrett, Alex S. Weddell
A Generic Middleware for External Peripheral State Retention in Transiently-Powered Sensor Systems. ENSsys@SenSys (2017)
James A. Boyle, Jeff S. Reeve, Alex S. Weddell
DiStiNCT: Synchronizing Nodes With Imprecise Timers in Distributed Wireless Sensor Networks. IEEE Trans. Ind. Informatics 13 (3) (2017)
Anand Savanth, Alex S. Weddell, James Myers, David Flynn, Bashir M. Al-Hashimi
A 50nW Voltage Monitor Scheme for Minimum Energy Sensor Systems. VLSI Design (2017)
Domenico Balsamo, Geoff V. Merrett, Bahareh Zaghari, Yang Wei, Sarvapali D. Ramchurn, Sebastian Stein, Alex S. Weddell, Steve P. Beeby
Wearable and autonomous computing for future smart cities: Open challenges. SoftCOM (2017)
Bahareh Zaghari, Alex S. Weddell, Neil M. White
Opportunities and challenges for energy harvesting sensor systems for harsh environments. ENSsys@SenSys (2017)
Giedrius Lukosevicius, Alberto Rodriguez Arreola, Alex S. Weddell
Using Sleep States to Maximize the Active Time of Transient Computing Systems. ENSsys@SenSys (2017)
Anand Savanth, Alex S. Weddell, James Myers, David Flynn, Bashir M. Al-Hashimi
Integrated Reciprocal Conversion With Selective Direct Operation for Energy Harvesting Systems. IEEE Trans. Circuits Syst. I Regul. Pap. (9) (2017)
Clemens M. Rumpf, Aleksander A. Lidtke, Alex S. Weddell, Robert G. Maunder
Enhancing microelectronics education with large-student projects: Using the example of the University of Southampton Small Satellite. EWME (2016)
Domenico Balsamo, Alex S. Weddell, Anup Das, Alberto Rodriguez Arreola, Davide Brunelli, Bashir M. Al-Hashimi, Geoff V. Merrett, Luca Benini
Hibernus++: A Self-Calibrating and Adaptive System for Transiently-Powered Embedded Devices. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 35 (12) (2016)
Domenico Balsamo, Anup Das, Alex S. Weddell, Davide Brunelli, Bashir M. Al-Hashimi, Geoff V. Merrett, Luca Benini
Graceful Performance Modulation for Power-Neutral Transient Computing Systems. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 35 (5) (2016)
Nick F. Tinsley, Stuart T. Witts, Jacob M. R. Ansell, Emily Barnes, Simeon M. Jenkins, Dhanushan Raveendran, Geoff V. Merrett, Alex S. Weddell
Poster: Enspect: Simplifying the Design of Energy Harvesting Systems. SenSys (2015)
Alberto Rodriguez Arreola, Domenico Balsamo, Anup K. Das, Alex S. Weddell, Davide Brunelli, Bashir M. Al-Hashimi, Geoff V. Merrett
Approaches to Transient Computing for Energy Harvesting Systems: A Quantitative Evaluation. ENSsys@SenSys (2015)
Sei Ping Lau, Geoff V. Merrett, Alex S. Weddell, Neil M. White
A traffic-aware street lighting scheme for Smart Cities using autonomous networked sensors. Comput. Electr. Eng. 45 (2015)
Nick F. Tinsley, Stuart T. Witts, Jacob M. R. Ansell, Emily Barnes, Simeon M. Jenkins, Dhanushan Raveendran, Geoff V. Merrett, Alex S. Weddell
Enspect: A Complete Tool using Modeling and Real Data to Assist the Design of Energy Harvesting Systems. ENSsys@SenSys (2015)
Sei Ping Lau, Alex S. Weddell, Neil M. White, Geoff V. Merrett
Poster: Solar-Powered Adaptive Street Lighting Evaluated with Real Traffic and Sunlight Data. SenSys (2015)
Domenico Balsamo, Alex S. Weddell, Geoff V. Merrett, Bashir M. Al-Hashimi, Davide Brunelli, Luca Benini
Hibernus: Sustaining Computation During Intermittent Supply for Energy-Harvesting Systems. IEEE Embed. Syst. Lett. 7 (1) (2015)
Anand Savanth, Alex S. Weddell, James Myers, David Flynn, Bashir M. Al-Hashimi
Photovoltaic Cells for Micro-Scale Wireless Sensor Nodes: Measurement and Modeling to Assist System Design. ENSsys@SenSys (2015)
Sei Ping Lau, Alex S. Weddell, Geoff V. Merrett, Neil M. White
Energy-neutral solar-powered street lighting with predictive and adaptive behaviour. ENSsys@SenSys (2014)
Alex S. Weddell, Michele Magno, Geoff V. Merrett, Davide Brunelli, Bashir M. Al-Hashimi, Luca Benini
A survey of multi-source energy harvesting systems. DATE (2013)
Alex S. Weddell, Dibin Zhu, Geoff V. Merrett, Stephen P. Beeby, Bashir M. Al-Hashimi
Tunable vibration energy harvester. ENSSys@SenSys (2013)
Alex S. Weddell, Geoff V. Merrett, Bashir M. Al-Hashimi
Photovoltaic Sample-and-Hold Circuit Enabling MPPT Indoors for Low-Power Systems. IEEE Trans. Circuits Syst. I Regul. Pap. (6) (2012)
Geoff V. Merrett, Alex S. Weddell
Supercapacitor leakage in energy-harvesting sensor nodes: Fact or fiction? INSS (2012)
Alex S. Weddell, Geoff V. Merrett, Tom J. Kazmierski, Bashir M. Al-Hashimi
Accurate Supercapacitor Modeling for Energy Harvesting Wireless Sensor Nodes. IEEE Trans. Circuits Syst. II Express Briefs (12) (2011)
Alex S. Weddell, Geoff V. Merrett, Bashir M. Al-Hashimi
Ultra low-power photovoltaic MPPT technique for indoor and outdoor wireless sensor nodes. DATE (2011)
Leran Wang, Tom J. Kazmierski, Bashir M. Al-Hashimi, Alex S. Weddell, Geoff V. Merrett, Ivo N. Ayala-Garcia
Accelerated simulation of tunable vibration energy harvesting systems using a linearised state-space technique. DATE (2011)
Alex S. Weddell, Neil J. Grabham, Nick R. Harris, Neil M. White
Modular Plug-and-Play Power Resources for Energy-Aware Wireless Sensor Nodes. SECON (2009)
Geoff V. Merrett, Alex S. Weddell, Adam P. Lewis, Nick R. Harris, Bashir M. Al-Hashimi, Neil M. White
An Empirical Energy Model for Supercapacitor Powered Wireless Sensor Nodes. ICCCN (2008)
Robert G. Maunder, Alex S. Weddell, Geoff V. Merrett, Bashir M. Al-Hashimi, Lajos Hanzo
Iterative Decoding for Redistributing Energy Consumption in Wireless Sensor Networks. ICCCN (2008)
Geoff V. Merrett, Alex S. Weddell, Nick R. Harris, Bashir M. Al-Hashimi, Neil M. White
A Structured Hardware/Software Architecture for Embedded Sensor Nodes. ICCCN (2008)