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Silicon Photonics: High-Density Integration for Novel Functionality

Thursday, September 20th, 2018

Monday, September 24th 2018, Wei Jiang, Professor in the College of Engineering and Applied Sciences at Nanjing University, and an Associate Director of Optical Communications Systems & Network Engineering Research Center of Jiangsu Province will be presenting “Silicon Photonics: High-Density Integration for Novel Functionality”.

Day & Time: Monday September 24th, 2018
2:00 p.m. ‐ 3:00 p.m.

Speaker: Wei Jiang
Professor in the College of Engineering and Applied Sciences at Nanjing University,
Associate Director of Optical Communications Systems & Network Engineering Research Center of Jiangsu Province

Organizers: Amr S. Helmy and IEEE Toronto Circuits & Devices Chapter

Location: Room SFB 560
10 King’s College Rd,
Toronto, ON M5S 3G4

Contact: Mengqi Wang

Abstract: Silicon photonics can potentially transform the photonics technology owing to its low-cost fabrication and large-scale integration advantages. Integration can open up new opportunities, such as solid-state LIDARs for autonomous vehicles and chip-scale optical interconnects. To realize these opportunities, reducing device size and increasing integration density will be crucial. Towards these directions, this talk will discuss our recent experimental work on novel micro/nano-photonic structures, including photonic crystals, waveguide superlattices, and free-form structures. (1) A waveguide superlattice is introduced to enable low-crosstalk, high-density waveguide integration at half-wavelength pitches, which opens the door to high-performance optical phased arrays, next-generation LIDARs, and high-density space-division multiplexing. (2) Novel free-form structures are explored to create an ultra-short waveguide “taper”. Interestingly, the evolutionary algorithm yields an optimal structure with anomalous shapes. Through wavefront analysis, the role of a subtle “semi-lens” is identified. (3) Further opportunities in slow-light photonic crystal switches/modulators will also be briefly discussed. In many cases, underpinning physics needs to be fully understood first, and then be formulated into precise theory to guide experiments and achieve viable results.

Biography: Wei Jiang is a professor in the college of engineering and applied sciences at Nanjing University, and an associate director of Optical Communications Systems & Network Engineering Research Center of Jiangsu Province. Prior to working at NJU, he was an associate professor in the department of electrical and computer engineering at Rutgers, the State University of New Jersey, USA. His current research interests include silicon photonics, photonic crystals, nanophotonics, and their applications in optical interconnects, communications, sensing, and computing. He contributed to the fundamental understanding of silicon electro-optic and thermo-optic devices, high-density waveguide integration, slow light, superprism effects, and photonic crystal interface properties. He received his B.S. degree in physics from Nanjing University, and his M.A. degree in physics and his Ph.D. degree in electrical and computer engineering from the University of Texas, Austin. Prof. Jiang received the DARPA Young Faculty Award, and IEEE Region I Outstanding Teaching Award, among other honors.

DEWCOM 2018: The 3rd International Workshop on Dew Computing

Sunday, September 16th, 2018

Dew computing is a new computing model appeared after the wide acceptance of cloud computing. While cloud computing uses centralized servers to provide various services, dew computing uses on-premises computers to provide decentralized, cloud-friendly, and collaborative micro services to end-users. Dew computing is an on-premises computer software-hardware organization paradigm in the cloud computing environment, which is complementary to cloud computing. The key features of dew computing are that on-premises computers provide functionality independent of cloud services and they also collaborate with cloud services.

This year, DEWCOM 2018 will be held at the same venue with the 28th Annual International Conference on Computer Science and Software Engineering (CASCON 2018). One of the goals of this arrangement is for Dew Computing researchers to exchange ideas with industry partners. Welcome researchers, professionals, and students currently working in any areas to participate this event and to be pioneers of this new research area.

Day & Time: October 29th – 30th, 2018

Organizers: IEEE Computer Society Dew Computing Special Technical Community (DewCom STC), IEEE Toronto WIE

Location: Hilton Toronto / Markham Suites Conference Center and Spa, Meeting Room Elm 1.
8500 Warden Avenue, Markham, Canada L6G 1A5

Parking voucher is available upon request.




Session 1 (Tutorial/Presentations): Oct. 29, 3:15 – 5:15pm.
Session 2 (Presentations): Oct. 30, 8:30 – 10:00am
Nutrition Break: 10:00 – 10:15am.
Session 3 (Presentations): Oct. 30, 10:15am. – 12:00pm
Lunch: 12:00 -1:00pm.
Session 4 (Presentations/DewCom STC Committee Meeting): Oct.30, 1:00 – 3:00pm.
Nutrition Break: 3:00 – 3:15pm.
Session 5 (DewCom STC Committee Meeting): 3:15 – 5:15pm.

IEEE WIE ILS 2018 Toronto

Wednesday, September 5th, 2018

IEEE Women in Engineering International Leadership Summit (WIE ILS) is here for the first time in Toronto, Canada!

IEEE Canada WIE is delighted to invite you to meet us on September 15th and 16th, 2018 at the Hilton Mississauga Meadowvale and participate in our 2-day summit. With “STEMpowered Leadership” as the theme, the summit aims at inspiring, engaging, and empowering women in STEM.

IEEE WIE International Leadership Summit is launched as a part of IEEE WIE’s portfolio of global initiatives that provide opportunities for networking, mentorship, and collaboration. Past IEEE WIE Summits have been extremely successful and have made an outstanding impact on communities around the globe!

Learn more and register at

Differential Microstrip Antennas

Friday, August 17th, 2018

Thursday, August 23rd 2018, Prof. Yueping Zhang at Nanyang Technological University, Singapore, is presenting an Electromagnetics and Radiation IEEE Distinguished Lecture “Differential Microstrip Antennas”.

Day & Time: Thursday August 23rd, 2018
3:00 p.m. ‐ 4:00 p.m.

Speaker: Prof. Yueping Zhang at Nanyang Technological University, Singapore

Organizers: IEEE Toronto Electromagnetics & Radiation Chapter

Location: Bahen Center of Information Technology, Room BA1230
40 St George Street
Toronto, Ontario
Canada M5S 2E4

Contact: Costas Sarris

Abstract: The earliest antennas implemented by Hertz for the discovery of radio waves were dipole and loop. They are differential. It was Marconi who introduced the ground concept into antennas and realized single-ended monopole antennas for wireless transmission. Compared with differential antennas, single-ended antennas have smaller size and therefore single-ended antennas have dominated in antenna designs. Compared with single-ended circuits, differential circuits permit higher linearity and lower offset and make them immune to power supply variations, temperature changes, and substrate noise. As a result, differential circuits have dominated in integrated circuit designs. Differential circuits call for differential antennas. This is particularly essential in highly-integrated system-on-chip and system-in-package solutions where the system ground plane may be much smaller than one free-space wavelength. Differential antennas perfectly marry (match) with differential circuits. No lossy balanced/unbalanced conversion circuit is needed. As a result, the receiver noise performance and transmitter power efficiency are improved.

In this lecture, I present differential microstrip antennas with an emphasis on the comparison of them with single-ended counterparts. First, I extend the well-known cavity model for the single-ended microstrip antennas to analyze the input impedance and radiation characteristics of differential microstrip antennas. Then I examine the design formulas to determine the patch dimensions and the location of the feed point for single-ended microstrip antennas to design differential microstrip antennas. It is shown that the patch length can still be designed using the formulas for the required resonant frequency but the patch width calculated by the formula usually needs to be widen to ensure the excitation of the fundamental mode using the probe feeds. The condition that links the patch width, the locations of the probe feeds, and the excitation of the fundamental mode is the electrical separation, which is a new and unique concept specifically conceived for the design of differential microstrip antennas. Next, I turn to the miniaturization of differential microstrip antennas and discuss some latest achievements. Finally, I summarize the lecture and provide recommendations.

Biography: ZHANG Yueping is a full Professor of Electronic Engineering with the School of Electrical and Electronic Engineering at Nanyang Technological University, Singapore, a Distinguished Lecturer of the IEEE Antennas and Propagation Society (IEEE AP-S), and a Fellow of IEEE.

Prof. Zhang was a Member of the Field Award Committee of the IEEE AP-S (2015-2017), an Associate Editor of the IEEE Transactions on Antennas and Propagation (2010-2016), and the Chair of the IEEE Singapore MTT/AP joint Chapter (2012). Prof. Zhang was selected by the Recruitment Program of Global Experts of China as a Qianren Scholar at Shanghai Jiao Tong University (2012). He was awarded a William Mong Visiting Fellowship (2005) and appointed as a Visiting Professor (2014) by the University of Hong Kong.

Prof. Zhang has published numerous papers, including two invited papers in the Proceedings of the IEEE and one invited paper in the IEEE Transactions on Antennas and Propagation. He holds 7 US patents. He received the Best Paper Award from the 2nd IEEE/IET International Symposium on Communication Systems, Networks and Digital Signal Processing, July 18–20, 2000, Bournemouth, U.K., the Best Paper Prize from the 3rd IEEE International Workshop on Antenna Technology, March 21–23, 2007, Cambridge, U.K., and the Best Paper Award from the 10th IEEE Global Symposium on Millimeter-Waves, May 24–26, 2017, Hong Kong, China. He received the prestigious IEEE AP-S Sergei A. Schelkunoff Prize Paper Award in 2012.

Prof. Zhang has made pioneering and significant contributions to the development of the antenna-in-package (AiP) technology that has been widely adopted by chipmakers for millimeter-wave applications. His current research interests include the development of antenna-on-chip (AoC) technology and characterization of chip-scale propagation channels at terahertz for wireless chip area network (WCAN).

Energy-Efficient Edge Computing for AI-driven Applications

Friday, August 17th, 2018

Thursday, November 22nd 2018, Vivienne Sze, Associate Professor at MIT in the Electrical Engineering and Computer Science Department, is presenting “Energy-Efficient Edge Computing for AI-driven Applications”.

Day & Time: Thursday November 22nd, 2018
4:10 p.m. ‐ 5:00 p.m.

Speaker: Vivienne Sze
Associate Professor, MIT in the Electrical Engineering and Computer Science Department

Organizers: IEEE Toronto Solid-State Circuits Society

Location: Sanford Fleming Building, Room 1105
10 King’s College Rd
Toronto, Ontario
Canada M5S 3G4

Contact: Dustin Dunwell

Abstract: Edge computing near the sensor is preferred over the cloud due to privacy and/or latency concerns for a wide range of applications including robotics/drones, self-driving cars, smart Internet of Things, and portable/wearable electronics. However, at the sensor there are often stringent constraints on energy consumption and cost in addition to throughput and accuracy requirements. In this talk, we will describe how joint algorithm and hardware design can be used to reduce energy consumption while delivering real-time and robust performance for applications including deep learning, computer vision, autonomous navigation and video/image processing. We will show how energy-efficient techniques that exploit correlation and sparsity to reduce compute, data movement and storage costs can be applied to various AI tasks including object detection, image classification, depth estimation, super-resolution, localization and mapping.

Biography: Vivienne Sze is an Associate Professor at MIT in the Electrical Engineering and Computer Science Department. Her research interests include energy-aware signal processing algorithms, and low-power circuit and system design for portable multimedia applications, including computer vision, deep learning, autonomous navigation, and video process/coding. Prior to joining MIT, she was a Member of Technical Staff in the R&D Center at TI, where she designed low-power algorithms and architectures for video coding. She also represented TI in the JCT-VC committee of ITU-T and ISO/IEC standards body during the development of High Efficiency Video Coding (HEVC), which received a Primetime Emmy Engineering Award. She is a co-editor of the book entitled “High Efficiency Video Coding (HEVC): Algorithms and Architectures” (Springer, 2014).

Prof. Sze received the B.A.Sc. degree from the University of Toronto in 2004, and the S.M. and Ph.D. degree from MIT in 2006 and 2010, respectively. In 2011, she received the Jin-Au Kong Outstanding Doctoral Thesis Prize in Electrical Engineering at MIT. She is a recipient of the 2018 Facebook Hardware & Software Systems Research Award, the 2017 Qualcomm Faculty Award, the 2016 Google Faculty Research Award, the 2016 AFOSR Young Investigator Research Program (YIP) Award, the 2016 3M Non-Tenured Faculty Award, the 2014 DARPA Young Faculty Award, the 2007 DAC/ISSCC Student Design Contest Award, and a co-recipient of the 2017 CICC Outstanding Invited Paper Award, the 2016 IEEE Micro Top Picks Award and the 2008 A-SSCC Outstanding Design Award.

For more information about research in the Energy-Efficient Multimedia Systems Group at MIT visit:

Transportation, Energy, Information and Humanity

Sunday, August 12th, 2018

Friday, August 17th 2018, the IEEE Toronto Section, Power Electronics and Consumer Electronics joint Chapter invites you to the Lecture on: “Transportation, Energy, Information and Humanity” by Prof. C.C. Chan, Chinese Academy of Engineering.

Day & Time: Friday August 17th, 2018
11:00 a.m. ‐ 12:00 p.m.

Speaker: Prof. C.C. Chan, Chinese Academy of Engineering, Fellow, Royal Academy of Engineering, Founding President, World Electric Vehicle Association, Past President, Hong Kong Institution of Engineers

Organizers: IEEE Toronto Section, Power Electronics and Consumer Electronics joint Chapter

Location: University of Toronto
Toronto, Ontario
Canada M5S 2E4
Bahen Center of Information Technology
Room Number: Room BA1210


Abstract: To cope with the current complex economical, societal and technical challenges in the new era, it is vital to be open-minded. Namely, to integrate the Chinese ancient civilization and the western modern civilization, to uphold the spirit of renaissance. This keynote speech will discuss the challenges and key issues related to the commercialization of electric vehicles, the integration of intelligent transport, intelligent energy, intelligent information and intelligent humanities. Proposed energy internet based on the correlation between energy and information and nano energy structure.

Biography: Prof. C. C. Chan holds BSc, MSc, PhD, HonDSc, HonDTech degrees. Honorary Professor and Former Head of the Department of Electrical and Electronic Engineering at the University of Hong Kong; Visiting Professor of MIT, University of Cambridge, etc; Founding President of the World Electric Vehicle Association; Senior Consultant to governments, Strategic Adviser or Independent Director of public companies and industries; Fellow of the Royal Academy of Engineering, U.K., Chinese Academy of Engineering, IEEE, IET and HKIE. Recipient of the Royal Academy of Engineering Prince Philip Medal; Chinese Academy of Engineering Guang-Hua Prize, World Federation of Engineering (WFEO) Medal of Engineering Excellence; Gold Medal of Hong Kong Institution of Engineers; IEEE Transportation Technologies Award; IEE International Lecture Medal; “Asia’s Best Technology Pioneers” by Asiaweek; “Father of Asian Electric Vehicles” by Magazine Global View; “Pitamaha (Grandfather) of Electric Vehicle Technology” in India; “Environmental Excellence in Transportation Award” by Society of Automotive Engineers (SAE); His major research includes advanced electric drives and energy systems, intelligent electric vehicles and correlation between energy and information. He has published 11 books, over 300 technical papers and holds 9 patents.

IEEE SSCS/CAS Distinguished Lecture Series – Dr. Gabor Temes

Thursday, July 26th, 2018

Friday, August 10th 2018, the IEEE Toronto SSCS/CAS invites you to the IEEE SSCS/CAS Distinguished Lecture Series on: “A 13b ENOB Noise-Shaping SAR ADC with a Two-Capacitor DAC” by Lukang Shi and Gabor C. Temes, and “Noise Filtering and Linearization of Single-Ended Circuits” by Gabor C. Temes et al., School of EECS, Oregon State University.

Date: Friday August 10th, 2018

Organizers: IEEE Toronto SSCS/CAS

Location: Bahen Centre Room BA1210

Lecture 1 (10:10am – 11:00am): A 13b ENOB Noise-Shaping SAR ADC with a Two-Capacitor DAC

Speakers: Lukang Shi and Gabor C. Temes
School of EECS, Oregon State University

Abstract: An active noise-shaping successive-approximation-register (SAR) analog-to-digital converter is described. Instead of binary-weighted capacitors, it uses two equal-valued capacitors as the embedded digital-to-analog converter (DAC). Thus, the capacitance spread in the DAC is much smaller than that of the conventional binary-weighted capacitor array, and the mismatch error can be greatly reduced. The circuit provides first-order noise shaping, which can improve the ADC’s linearity even for a small oversampling ratio. Also, the proposed architecture uses a monotonic approximation procedure, which requires fewer conversion steps than for a conventional SAR ADCs. The ADC was fabricated in 0.18 um CMOS technology. For a 2 kHz signal bandwidth, it achieved a 78.8 dB SNDR. It consumes 74.2 mW power from a 1.5 V power supply. The performance can be drastically improved by introducing noise mitigation schemes and higher-order noise shaping. These topics will also be discussed.

Lecture 2 (11:10am – 12:00pm): Noise Filtering and Linearization of Single-Ended Circuits

Speakers: Gabor C. Temes et al.
School of EECS, Oregon State University

Abstract: The performance of analog integrated circuits is often limited by the noise generated in its components. Several circuit techniques exist for suppressing the effects of the low-frequency noise. In this paper, existing techniques are described for noise mitigation. Also, a novel approach is proposed, which can suppress low-frequency noise. In addition, the new process will also reduce even-order distortion, another major limitation of analog circuits. Finally, it may allow the use of single-ended circuits in applications where usually differential structures are needed.

Biography: Gabor C. Temes received the Ph.D. degree in electrical engineering from the University of Ottawa, ON, Canada, in 1961, and an honorary doctorate from the Technical University of Budapest, Budapest, Hungary, in 1991. He held academic positions at the Technical University of Budapest, Stanford University and the University of California at Los Angeles. He worked in industry at Northern Electric R&D Laboratories and at Ampex Corp. He is now a Professor in the School of Electrical Engineering and Computer Science at Oregon State University.

Dr. Temes received the IEEE Leon K. Kirchmayer Graduate Teaching Award in 1998, and the IEEE Millennium Medal in 2000. He was the 2006 recipient of the IEEE Gustav Robert Kirchhoff Award, and the 2009 IEEE CAS Mac Valkenburg Award. He received the 2017 Semiconductor Industry Association-SRC University Researcher Award. He is a member of the National Academy of Engineering.

Ardunio Microcontroller Programming

Thursday, July 19th, 2018

The workshop is to continue learning Ardunio microcontroller programming.

In this workshop, continue the discussion about 7 segment LED , learning about Shift register and the application with Arduino board and keypad integration. The workshop involves hardware and software.

Date & Time: Monday July 23rd, 2018
6:30 p.m. – 7:30 p.m.

Organizers: IEEE Toronto WIE, IEEE Toronto Instrumentation Measurement – Robotics Automation Chapter, IEEE Humber Student Affinity Group

Location: Humber North Campus, J Building

For information, please contact: Zahraa Khalil

Ardunio Microcontroller Programming

Thursday, July 19th, 2018

The workshop is to continue learning Ardunio microcontroller programming, a way to get the knowledge about microcontrollers. This involves learning
hardware component and software component.

In this workshop, we are going to introduce Pulse with Modulation concept and program Arduino to see it. Introducing 7 segment LED ( common cathode and anode) and going through wiring and programming.

Date & Time: Monday July 16th, 2018
7:30 p.m. – 9:00 p.m.

Organizers: IEEE Toronto WIE, IEEE Toronto Instrumentation Measurement – Robotics Automation Chapter, IEEE Humber Student Affinity Group

Location: Humber North Campus, J Building

For information, please contact: Zahraa Khalil

Convergence between Broadcast and Mobile Broadband

Wednesday, July 18th, 2018

Thursday, August 9th at 11:00 a.m., the IEEE Toronto Section, Consumer Electronics Chapter invites you to the IEEE CESoc Distinguished Lecture on: “Convergence between Broadcast and Mobile Broadband” by Dr. Ulrich Reimers, IEEE CESoc Renowned Distinguished Speaker, and Professor Institut fuer Nachrichtentechnik (IfN), Technische Universitaet Braunschweig, Germany.

Day & Time: Thursday, August 9, 2018
11:00 a.m. ‐ 12:00 p.m.

Speaker: Dr. Ulrich Reimers
IEEE CESoc Renowned Distinguished Speaker
Professor Institut fuer Nachrichtentechnik (IfN), Technische Universitaet Braunschweig, Germany

Location: 40 St George Street
Toronto, Ontario
Canada M5S 2E4
Building: Bahen Centre for Information Technology
Room Number: BA7180

Contact: Mahdieh Taghizadeh

Organizer: IEEE Toronto Section, Consumer Electronics Chapter


Abstract: The mobile industry has been testing the feasibility of evolved Multimedia Broadcast Multicast Service (eMBMS), an LTE embedded broadcast approach to support a growing mobile video/TV consumption and the delivery of other highly popular data services. But, eMBMS has so far only been used in small scale scenarios with local coverage. When it comes to large scale service areas with regional or even national coverage, the cellular nature of eMBMS has not proven to be attractive for cost efficient LTE broadcast content distribution. Adapting LTE broadcast to traditional High Tower High Power (HTHP) broadcasting towers and introducing this as a third service layer, i.e. as an extension of LTE unicast and eMBMS can resolve this issue as it reduces network load, energy consumption and network costs for such popular services. Additionally, it creates the possibility of cooperation between the cellular and broadcasting networks enabling a cooperative spectrum usage.

The term “Tower Overlay over LTE-Advanced+ (TOoL+)” describes the transmission of an extension of LTE-Advanced (LTE-A) offering broadcast services, especially live video, from a traditional High Tower High Power (HTHP) broadcast infrastructure, rather than in a cellular LTE-A network. TOoL+ was invented and developed by IfN. Since LTE-A is optimized for the Low Tower Low Power (LTLP) environment of cellular networks, the use of a HTHP environment requires some modifications of the LTE-A standard, e.g. the definition of a dedicated broadcast carrier and of additional OFDM parameters with longer cyclic prefixes. These modifications are represented by the term LTE-A+. In one of the modes, TOoL+ even supports a cooperative spectrum use by DVB-T2 (or ATSC 3.0 in the future) and LTE-A+ if this is attractive to market players. IfN developed a Software Defined Radio (SDR) based TOoL+ implementation to demonstrate the technological feasibility of this approach. An extended version of this demo has been used during two field trials conducted in Paris, France and in the Aosta Valley, Italy to evaluate the proposed modifications and the cooperative spectrum use in a real environment. The analysis shows that LTE-A+ is a suitable technology for HTHP broadcast to mobile devices as its coverage area is similar to that of DVB-T2.

In line with the ideas underlying TOoL+, 3GPP has recently specified FeMBMS (Further evolved Multimedia Broadcast Multicast Service) in Release 14. FeMBMS supports a long cyclic prefix and thus makes larger network cells feasible. At IfN we have already implemented FeMBMS and by the time of the lectures in Canada will have carried out a field trial in at least one European country.

Biography: Prof. Ulrich H. Reimers studied communication engineering at Technische Universitaet Braunschweig, Germany. Following research at the university’s Institut fuer Nachrichtentechnik (IfN – Institute for Communications Technology) he joined BTS Broadcast Television Systems in Darmstadt. Between 1989 and 1993 he was Technical Director of Norddeutscher Rundfunk (NDR) in Hamburg – one of the major public broadcasters in Germany. Since 1993 he has been a Professor at Technische Universitaet Braunschweig and Managing Director of the Institut fuer Nachrichtentechnik (Institute for Communications Technology). Prof. Reimers was chairman of the Technical Module within the DVB Project from 1993 to 2012. Since 2012 he is Vice President Strategic Development and Technology Transfer of Technische Universitaet Braunschweig. He is the author of more than 120 publications, among others of various text books on DVB. Prof. Reimers received a significant number of international and national awards. He is an IEEE Life Fellow and the recipient of the IEEE Masaru Ibuka Consumer Electronics Award. Recently Prof. Reimers and the research teams at IfN invented innovative solutions for the co-existence of broadcast and wireless broadband such as “Dynamic Broadcast”, “Tower Overlay over LTE-A+ (TOoL+)”, or “Redundancy on Demand”.

Prof. Reimers is a Renowned Distinguished Speaker of the IEEE Consumer Electronics Society (CESoc).