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Tuesday November 10

GMT 15:00 - 15:30

Opening: Conference Chairs

GMT 15:30 - 16:30

Keynote I

Laurent Lefevre

Towards energy proportional clouds, data centers and networks: the holy grail of energy efficiency?

GMT 16:30 - 17:30

Exhibit Opening/Discussion Session: Energy Proportionality

GMT 17:30 - 18:30

Sessions Tu1: Optical transport and core network


Lena Wosinska

Optical networks for green communication and interconnects.


Ali Hmaity

Energy Efficiency in Reliable Optical Core Networks


Mariya Bhopalwala

Energy Efficiency of Electronic and Optical QAM Signal Grooming

Wednesday November 11

GMT 08:00 - 09:50

Session W1: Optical Access


Jack Li



Luca Valcarenghi

Energy Efficiency in PONs: Lessons Learned


Kevin Warmerdam

Connectivity in IoT indoor lighting systems with visible light communications


Harald Haas

Can LiFi Enhance Energy Efficiency?

GMT 09:50 - 11:30

Session W2: Wireless Access


Wenyi Zhang

Mixed-ADC Massive MIMO for Spectral-Energy-Efficient Uplink Reception


Cheng-Xiang Wang

Spectral-Energy Efficiency Tradeoff of Cellular Systems with Mobile Femtocell Deployment


Changyang She

Optimal EE-Delay Relation in Wireless Systems


Jingjing Fei

Lifetime Aware Data Collection in Wireless Sensor Networks

GMT 11:30 - 12:30


Mischa Dohler

The Tactile Internet – Transforming the Planet’s Energy Budget

GMT 12:30 - 13:00

Networking Break

GMT 13:00 - 14:00

Session W3: Wireless Access II


Christian Vitale

Two-level Opportunistic Spectrum Management for Green 5G Radio Access Networks


Yusuf Sambo

Electromagnetic Emission-aware Scheduling for the Uplink of Coordinated OFDM Wireless Systems


Ioannis Valavanis

Basestation Antenna Pattern Reconfiguration for Minimum Transmit Power Network Planning

GMT 14:00 - 14:30

Networking Break

GMT 14:30 - 16:30

Session W3: Green ICT Open Forum

GMT 16:30 - 17:30


Thierry Klein

GreenTouch: The Road to 1000x Improvement in Energy Efficiency

Thursday November 12

GMT 10:00 - 12:00


GMT 12:00-13:30

Session Th1: Energy Harvesting and Management


Eduard Jorswieck

Multi-objective optimization in heterogeneous interference networks: energy-efficiency and security


Yue Cao

A Reservation Based Charging Management for On-the-move EV Under Mobility Uncertainty


Sean Rocke

Out-of-Band Radiation: Opportunities for Antenna-Based RF Energy Harvesting in Wireless Devices?


André Riker

Controlling Data Aggregation and Communication Periodicity in Energy Harvesting Networks

GMT 13:30-15:00

Session Th2: Energy Efficient Data and Content Management


Omran Ayoub

Energy-Efficient Caching for Video-on-Demand in Fixed-Mobile Convergent Networks


Nadeem Abji

Energy Efficient Content Delivery in Service Provider Networks with Content Caching


Pedro Reviriego

Improving Energy Efficiency of Ethernet Switching with Modular Cuckoo Hashing


Massimo Tornatore

Lowering Emissions of Cloud Systems by Renewable-Energy-Aware Resource Allocation

GMT 15:00 - 16:00

Conference Awards/Discussion Session: Future Internet and Smart Cities

GMT 16:00 - 17:30

Session Th3: ISTAS/Green ICT Simulcast   

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1. Dr. Thierry E. Klein
Network Energy Research Program Leader
Bell Labs Research, Alcatel-Lucent

Title: GreenTouch: The Road to 1000x Improvement in Energy Efficiency

Abstract: It goes without saying that information and communication technologies are at the heart of the digital economies and play an increasingly important part of all of our personal and professional lives. Ensuring a long-term sustainable growth, both from an environmental and economic perspective, is vitally important and one of the key challenges for our industry. It is with this goal in mind that the GreenTouch consortium was founded in 2010 as an industry-wide research initiative with the incredibly ambitious mission to improve the energy efficiency of communication networks by a factor 1000x compared to 2010 while taking traffic growth into account.
In this talk, I will describe the accomplishments of GreenTouch and the results of the so-called “Green Meter” research study to assess the overall impact and energy efficiency benefits from the entire portfolio of technologies, architectures, components, devices, algorithms and protocols being investigated by GreenTouch. This is a first-of-its-kind study due to its breadth and depth of technologies being included, from the mobile networks, to the fixed access networks and the core networks. It concluded that it is possible to reduce the net energy consumption in end-to-end communications networks by up to 98% compared to the 2010 reference scenario defined by GreenTouch, fueled by dramatic improvements in the energy efficiencies of the component networks.

Biography: Thierry E. Klein is currently the Program Leader for the Network Energy Research Program at Bell Labs, Alcatel-Lucent leading a team of researchers, engineers and scientists across multiple research domains and locations with the mission to conduct research towards the design, development and use of sustainable future communications and data networks. His team is based in Murray Hill, Crawford Hill, Stuttgart, Villarceaux and Dublin. He also serves as the Chairman of the Technical Committee of GreenTouch, a global consortium dedicated to improve energy efficiency in networks by a factor 1000x compared to 2010 levels. Since 2014, he is also a member of the Momentum for Change Advisory Panel of the UN Framework Convention for Climate Change (UNFCCC).
He joined Bell Labs Research in Murray Hill, New Jersey in 2001 and has been conducting fundamental and applied research on next-generation wireless and wireline networks, network architectures, algorithms and protocols, network management, optimization and control. From 2006 to 2010 he served as the Founder and CTO of an internal start-up focused on wireless communications for emergency response and disaster recovery situations within Alcatel-Lucent Ventures. Thierry returned to Bell Labs Research in early 2010 and has since then been working on and leading research efforts into energy efficient, low power and sustainable communication networks.
He earned an MS in Mechanical Engineering and an MS in Electrical Engineering from the Université de Nantes and the Ecole Centrale de Nantes in Nantes, France. Thierry received a PhD in Electrical Engineering and Computer Science from the Massachusetts Institute of Technology, USA. He is an author on over 35 peer-reviewed conference and journal publications and an inventor on 36 patent applications. He is the recipient of a Bell Labs’s President Award and two Bell Labs Teamwork Awards. In 2010, he was voted “Technologist of the Year” at the Total Telecom World Vendor Awards.

2. Prof. Mischa Dohler
Head, Centre for Telecom Research
Chair Professor, King's College London
Fellow & Distinguished Lecturer, IEEE
Board of Directors, Worldsensing
Editor-in-Chief, ETT & IoT

Title: The Tactile Internet – Transforming the Planet’s Energy Budget

Abstract: Each Internet generation was believed to be the last, with designs pushed to near perfection. The first and original Internet, a virtually infinite network of computers, was a paradigm changer and went on to define the economies of the late 20th century. However, after that Internet came the Mobile Internet, connecting billions of smart phones and laptops, and yet again redefining entire segments of the economy in the first decade of the 21st century. Today, we witness the emergence of the Internet of Things, shortly to connect trillions of objects and starting to redefine yet again various economies of this decade. Is that it? Surely, so we argue, there is something much, much bigger at stake still: the Tactile Internet. It is a true paradigm shift, in which sufficiently responsive, reliable network connectivity will enable it to deliver physical, tactile experiences remotely and thereby invoke an important shift from content-delivery to skillset-delivery networks. For this to work however we require some fundamental laws of physics to be “reengineered”. This keynote is all about the disruptive technology approaches which will allow us to break through this next tech frontier and how it will profoundly impact the energy usage on our planet.

Biography: Mischa Dohler is full Professor in Wireless Communications at King’s College London, Head of the Centre for Telecommunications Research, co-founder and member of the Board of Directors of the smart city pioneer Worldsensing, Fellow and Distinguished Lecturer of the IEEE, and Editor-in-Chief of the Transactions on Emerging Telecommunications Technologies and the EAI Transactions on the Internet of Things. He is a frequent keynote, panel and tutorial speaker, and has received numerous awards. He has pioneered several research fields, contributed to numerous wireless broadband, IoT/M2M and cyber security standards, holds a dozen patents, organized and chaired numerous conferences, has more than 200 publications, and authored several books. He has a citation h-index of 39.
He acts as policy, technology and entrepreneurship adviser, examples being Richard Branson’s Carbon War Room, House of Parliament UK, UK Ministry BIS, EPSRC ICT Strategy Advisory Team, European Commission, Tech London Advocate, ISO Smart City working group, and various start-ups.
He is also an entrepreneur, angel investor, passionate pianist and fluent in 6 languages. He has talked at TEDx. He had coverage by national and international TV & radio; and his contributions have featured on BBC News and the Wall Street Journal.

3. Dr. Laurent Lefevre
Permanent researcher at INRIA (The French Institute for Research in Computer Science)

Title: Towards energy proportional clouds, data centers and networks: the holy grail of energy efficiency?

Abstract: Clouds, data centers and networks have become key players in the digital society. They host more and more services (centralized, distributed, virtualized) with increasing quality of service, availability and access requirements. However, these large scale distributed systems consume substantial and increasing amounts of energy. Energy consumption is the primary limiting factor in the deployment of such infrastructures. Several approaches are explored to reduce the electrical consumption of infrastructures during the use phase. The main problem comes from the fact that numerous infrastructures exhibit energy consumption that is not proportional to their use. This talk will present various works and initiatives combining hardware and software in order to achieve a proportional consumption of energy.

Biography: Laurent Lefevre is a permanent researcher in computer science at Inria (the French Institute for Research in Computer Science and Control). He is a member of the Avalon team (Algorithms and Software Architectures for Distributed and HPC Platforms) from the LIP laboratory in Ecole Normale Superieure of Lyon, France. From 1997 to 2001, he was assistant professor in computer science in Lyon 1 University. He has organised several conferences in high performance networking and computing, and he is a member of several programme committees. He has co-authored more than 100 papers published in refereed journals and conference proceedings. His interests include: energy efficiency in large-scale distributed systems, high-performance computing, distributed computing and networking, high performance networks protocols and services.

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