IEEE/CIC International Conference on Communications in China
22-24 October 2017 – Qingdao, China

TUTORIALS

Tutorial Title:
Molecular Communications: Theory, Practice and Challenges

Instructor(s):
Lie-Liang Yang, School of Electronics and Computer Science, University of Southampton, SO17 1BJ, UK,
email: lly@ecs.soton.ac.uk

Molecular Communications (MC) has been recognized as an attractive solution for information exchange between nano-machines and in nano-scale networks operated in fluid environment. By taking its potential advantages of bio-compatibility and low energy consumption, MC is expected to find a lot of applications in the areas, where the operation of conventional electromagnetic based communications is inefficient and/or impractical. Potential applications of MC may include health-care, intelligent drug delivery, environment monitoring, industry applications, Internet of Nano Things (IoNT), etc. In this tutorial, we will provide a comprehensive introduction to the state-of-the-art in MC. The fundamentals of MC, channel modeling and transceiver techniques will be addressed. We will emphasize the similarity and difference between MC and the conventional electromagnetic based communications. Furthermore, the challenges and opportunities of MC will be discussed.

The tutorial is organized as follows (Intended length of the tutorial: half-day):

  1. Review of MC by comparing it with the conventional electromagnetic based communications.

  2.  MC channel modeling, including the possible media for molecule transportation, channel models in MC, and channel statistical properties.

  3. Transceiver design and optimization techniques, including optional signaling techniques, optimum and sub-optimum detection techniques, low-complexity coding techniques for reliability enhancement of molecular communications, etc.

  4. Theoretical performance limits of some MC systems, and practical challenges of MC implementation.

  5. Survey of mathematical tools for studying the performance of MC systems.

  6. Challenges and opportunities for research and development of MC, and future research issues.

Biography of the instructor(s):


Lie-Liang Yang, University of Southampton, UK

Lie-Liang Yang received his PhD degree in communications and electronics from Northern (Beijing) Jiaotong University, Beijing, China in 1997. Since December 1997, he has been with the School of Electronics and Computer Science at the University of Southampton, United Kingdom, where he is the professor of wireless communications. He has research interest in wireless communications, wireless networks and signal processing for wireless communications, as well as molecular and nano communications. He has published 350+ research papers in journals and conference proceedings, authored/co-authored three books and also published several book chapters. The details about his publications can be found at http://users.ecs.soton.ac.uk/lly/. He is a fellow of the IEEE in the USA, a fellow of the IET (previously IEE) in the UK, and a distinguished lecturer of the IEEE Vehicular Technology Society. He has served as associate editor to several academic journals, co-organized several special issues, and acted as different roles for conference organization.

Tutorial Title:
Recent Advances in Wireless Localization

Instructor(s):
Yuan Shen, Tsinghua University, China;
Guodong Zhao, University of Electronic Science and Technology of China, China;
Tingting Zhang, Harbin Institute of Technology, Shenzhen, China

In this tutorial, we provide an overview for the recent advances in wireless localization, in particular from the physical-layer perspective of theory and algorithm design. Starting from the basic models and concepts of wireless localization, we overview the state-of-the-art results on non-cooperative and cooperative wireless localization. Then, we introduce network operation techniques for wireless localization in both noncooperative and cooperative scenarios. Emphasis will be given to resource-restricted wireless localization networks, and as an example, we will discuss joint power and bandwidth allocation for cooperative localization. Finally, we introduce recent advances in receiver positioning, where the full-duplex relay are used.

Biography of the instructor(s):


Yuan Shen, Tsinghua University, China

Yuan Shen (S’05-M’14) received the Ph.D. degree and S.M. degree in electrical engineering and computer science from the Massachusetts Institute of Technology, Cambridge, MA USA, in 2014 and 2008, respectively, and the B.E. degree in electronic engineering from Tsinghua University, Beijing, China, in 2005. He is an Associate Professor with the Department of Electronic Engineering at Tsinghua University. Prior to that, he was a research assistant and then postdoctoral associate at MIT in 2005-2014. His research interests include statistical inference, network science, control and optimization, communication theory, and information theory. His current research focuses on network localization and navigation, inference techniques, resource allocation, intrinsic wireless secrecy, and cooperative networks.

Dr. Shen was a recipient of the Qiu Shi Outstanding Young Scholar Award (2015), the China’s Youth 1000-Talent Program (2014), the Marconi Society Paul Baran Young Scholar Award (2010). His papers received the IEEE ComSoc Fred W. Ellersick Prize (2012) and the Best Paper Awards from the IEEE Globecom (2011), ICUWB (2011), and WCNC (2007). He is elected Secretary (2015–2017) for the IEEE ComSoc Radio Communications Technical Committee. He serves as symposium TPC Co-Chair for the IEEE Globecom (2016), the EUSIPCO (2016), and the IEEE ICC Workshop on Advanced Network Localization and Navigation (2016), and also as a TPC member for various international conferences. He also serves as an Editor for the IEEE COMMUNICATIONS LETTERS since 2015 and Guest-Editor for the INTERNATIONAL JOURNAL OF DISTRIBUTED SENSOR NETWORKS.


Guodong Zhao, University of Electronic Science and Technology of China, China

Guodong Zhao received the Ph.D. Degree from Beihang University, Beijing, China, in 2011 and the B.E. degree from Xidian University, Xi’an, China, in 2005, both in electrical engineering. He visited Georgia Institute of Technology, Atlanta, GA, USA, in 2007-2008 and Hong Kong University of Science and Technology (HKUST), Hong Kong, in 2012-2013. Since 2011, he has been with University of Electronic Science and Technology of China (UESTC), where he is currently an Associate Professor.

His research interests are within the areas of wireless communications and signal processing, in particular in cognitive radio and localizations. He published about 30 papers in IEEE journals and conferences. He received the best paper award from IEEE Global Telecommunication Conference (GLOBECOM) and the best Ph.D. thesis award from Beihang University both in 2012. He served as a TPC at many international conferences, e.g., ICC and VTC. He also served a reviewer in many IEEE transactions, e.g., IEEE Transactions on Signal Processing and IEEE Journal on Selected Areas in Communications.


Tingting Zhang, Harbin Institute of Technology, Shenzhen, China

Tingting Zhang (M’12)received the B.S. (with honors) and Ph.D. degrees in electronic engineering from Harbin Institute of Technology (HIT), Harbin, China, in 2003 and 2009, respectively. He is currently an Associate Professor with HIT Shenzhen Graduate School, Shenzhen, China. In 2009 to 2012 he was a postdoctoral research fellow with the Communication Engineering Research Center, HIT, Shenzhen Graduate School. In 2012 to 2014, he was with the Department of Electronic Engineering, University of Southern California, Los Angeles, CA, USA, as a visiting scholar.

His main research interests include cooperative localization, ultrawideband technology, and resource allocation, etc. Dr. Zhang serves as the TPC member for several international conferences, such as GLOBECOM, ICCC, and VTC. He is also the reviewer of numerous academic journals, such as IEEE JSAC, TWC, TVT, etc. He received the Outstanding Postdoctoral Award of HIT, Shenzhen Graduate School in 2011. He also received Shenzhen High Level Talent Program award in 2012.

Tutorial Title:
Ultra Dense Small Cell Networks: Principles and Technologies

Instructor(s):
Haijun Zhang, University of Science and Technology Beijing, China

Next-generation (5G) wireless systems are characterized by three key features: heterogeneity, in terms of technology and services, dynamics, in terms of rapidly varying environments and uncertainty, and size, in terms of number of users, nodes, and services. The need for smart, secure, and autonomic network design has become a central research issue in a variety of applications and scenarios. Ultra dense small cell networks (UDSNs) have attracted intense interest from both academia and industry to potentially improve spatial reuse and coverage, thus allowing cellular systems to achieve higher data rates, while retaining the seamless connectivity and mobility of cellular networks. However, considering the severe inter-tier interference and limited cooperative gains resulting from the constrained and non-ideal transmissions between adjacent base stations, a new paradigm for improving both spectral efficiency and energy efficiency through suppressing inter-tier interference and enhancing the cooperative processing capabilities is needed in the practical evolution of UDSNs.

This tutorial will identify and discuss technical challenges and recent results related to the UDSNs in 5G mobile networks. The tutorial is mainly divided into four parts. In the first part, we will introduce UDSNs, discuss about the UDSNs system architecture, and provide some main technical challenges. In the second part, we will focus on the issue of resource management in UDSNs and provide different recent research findings that help us to develop engineering insights. In the third part, we will address the signal processing and PHY layer design of UDSNs and address some key research problems. In the last part, we will summarize by providing a future outlook of UDSNs.

The tutorial is organized as follows:

Part I: Overview of UDSNs and System Architecture (45 mins)

  1. RAN Evolutions: Brief introduction of UDSNs, SON, C-RANs, LTE-U and their potential evolution.
  2. Introduction o f UDSNs: Basic features and definitions, challenges, and state of the art.
  3. System architecture: Fronthaul, Fog/cloud computing, heterogeneous networks, performance metrics

Part II: Resource Management in UDSNs (60 mins)

  1. Resource Allocation : A cooperative bargaining game theoretic approach
  2. Resource allocation with heterogeneous services
  3. Secure resource allocation without and with cooperative jamming
  4. Cross layer optimization in UDSNs

Part III:  Interference Management in UDSNs (60 mins)

  1. Interference-limited resource optimization with fairness and imperfect spectrum sensing
  2. Coexistence of Wi-Fi and UDSNs with LTE-U
  3. Cooperative interference mitigation and handover management
  4. Incomplete CSI based resource optimization in SWIPT

Part IV: Outlook of UDSNs (15 mins)

  1. Evolution of UDSNs: Future research challenges

Biography of the instructor(s):


Haijun Zhang, University of Science and Technology Beijing, China

Haijun Zhang (M’13, SM’17) is currently a Full Professor in University of Science and Technology Beijing, China. He was a Postdoctoral Research Fellow in Department of Electrical and Computer Engineering, the University of British Columbia (UBC), Vancouver Campus, Canada. From 2011 to 2012, he visited Centre for Telecommunications Research, King’s College London, London, UK, as a Visiting Research Associate. Dr. Zhang has published more than 80 papers and authored 2 books. He serves as Editor of IEEE 5G Tech Focus, Journal of Network and Computer Applications, Wireless Networks, Telecommunication Systems, and KSII Transactions on Internet and Information Systems, and serves/served as a leading Guest Editor for IEEE Communications Magazine, IEEE Transactions on Emerging Topics in Computing and ACM/Springer Mobile Networks & Applications. He serves/served as General Co-Chair of 5GWN’17 and GameNets’16, Track Chair of ScalCom2015, Symposium Chair of the GameNets’14, and Co-Chair of Workshop on 5G Ultra Dense Networks in ICC 2017, Co-Chair of Workshop on 5G Ultra Dense Networks in Globecom 2017, and Co-Chair of Workshop on LTE-U in Globecom 2017. He has served as a TPC member in a numerous international conferences. Prof. Zhang received the IEEE ComSoc Young Author Best Paper Award in 2017.

Tutorial Title:
Rate Splitting for MIMO Wireless Networks: A Promising PHY-Layer Strategy for 5G and Beyond

Instructor(s):
Bruno Clerckx, Imperial College London, UK;
Hamdi Joudeh, Imperial College London, UK

Numerous techniques have been developed in the last decade for MIMO wireless networks, including among others MU-MIMO, CoMP, Massive MIMO, NOMA, millimetre wave MIMO. All those techniques rely on two extreme interference management strategies, namely fully decode interference and treat interference as noise. Indeed, while NOMA based on superposition coding with successive interference cancellation relies on strong users to fully decode and cancel interference created by weaker users, MU-MIMO/Massive MIMO/CoMP/millimetre wave MIMO based on linear precoding rely on fully treating any multi-user interference as noise.

In this tutorial, we depart from those two extremes and introduce the audience to a more general and more powerful transmission framework based on Rate-Splitting (RS) that consists in decoding part of the interference and in treating the remaining part of the interference as noise. This enables RS to softly bridge and therefore reconcile the two extreme strategies of fully decode interference and treat interference as noise.

RS relies on the transmission of common (degraded) messages decoded by multiple users, and private (nondegraded) messages decoded by their corresponding users. As a result, RS pushes multiuser transmission away from conventional unicast-only transmission to superimposed unicast multicast transmission and leads to a more general class/framework of strategies, e.g. NOMA and MU-MIMO with linear precoding being special cases of RS. RS will be shown to provide significant benefits in terms of spectral efficiencies, reliability and CSI feedback overhead reduction over conventional strategies used/envisioned in LTE-A/5G. The gains of RS will be demonstrated in a wide range of scenarios: multi-user MIMO, massive MIMO, multi-cell MIMO/CoMP, overloaded systems, NOMA, multigroup multicasting, mmwave communications, communications in the presence of RF impairments. Open problems and challenges will also be discussed.

The tutorial is organized as follows:

1. Introduction to MIMO networks, interference management and 4G design (10min)

  1. Point to point MIMO
  2. Multi-user MIMO
  3. Multi-cell MIMO and HetNets
  4. Massive MIMO
  5. Interference Management

2. Problem of current 4G and emerging 5G architecture (10min)

  1. LTE-A performance and limitations: MU-MIMO, CoMP, HetNets
  2. Motivation for a new physical layer

3. Fundamentals of Rate Splitting (50min)

  1. Interference Channel
  2. Broadcast Channel with imperfect CSIT
  3. Performance Limits and Degrees of Freedom
  4. Sum-Rate Enhancement and CSI Feedback Reduction

4. Transceiver Optimization of Rate-Splitting (20min)

  1. Problem formulation
  2. Robust beamforming (sum-rate maximization, max-min fairness)

5. Extensions of Rate Splitting (65min)

  1. Multiple receive antennas
  2. Massive MIMO
  3. Multi-Cell MIMO
  4. Overloaded systems
  5. Non-Orthogonal Multiple Access
  6. Multigroup Multicast
  7. Communications in the presence of RF impairments
  8. Millimeter Wave Communications

6. Rate-Splitting in 5G (15min)

  1. Standardization issues and efforts

7. Future Challenges (10min)

Biography of the instructor(s):


Bruno Clerckx, Imperial College London, UK

Bruno Clerckx (Imperial College London, UK) is a Senior Lecturer (Associate Professor) in the Electrical and Electronic Engineering Department at Imperial College London (London, United Kingdom). He received his M.S. and Ph.D. degree in applied science from the Université catholique de Louvain (Louvain-la-Neuve, Belgium) in 2000 and 2005, respectively. From 2006 to 2011, he was with Samsung Electronics (Suwon, South Korea) where he actively contributed to 3GPP LTE/LTE-A and IEEE 802.16m and acted as the rapporteur for the 3GPP Coordinated Multi-Point (CoMP) Study Item. Since 2011, he has been with Imperial College London, first a Lecturer (Assistant Professor) and now as a Senior Lecturer. From April 2014 till March 2016, he also occupied an Associate Professor position at Korea University, Seoul, Korea. He also held visiting research appointments at Stanford University, EURECOM, NUS and HKU. He is the author of 2 books, 120 peer-reviewed international research papers, 150 standard contributions and the inventor of 75 issued or pending patents among which 15 have been adopted in the specifications of 4G (3GPP LTE/LTE-A and IEEE 802.16m) standards. Dr. Clerckx served as an editor for IEEE TRANSACTIONS ON COMMUNICATIONS from 2011-2015 and is currently an editor for IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS. He is an Elected Member of the IEEE Signal Processing Society SPCOM Technical Committee. His area of expertise is communication theory and signal processing for wireless networks.


Hamdi Joudeh, Imperial College London, UK

Hamdi Joudeh (Imperial College London, UK) is a post-doctoral research associate in the Communications and Signal Processing (CSP) Group, Department of Electrical and Electronic Engineering at Imperial College London. He obtained his BSc in Electrical Engineering from the Islamic University of Gaza in 2010 and his MSc and PhD in Communications and Signal Processing from Imperial College London in 2011 and 2016, respectively. During the autumn of 2011, he was with the Mobile Communication Division at Samsung Electronics, Suwon, South Korea, as an engineering intern. His research interests include signal processing and optimization for wireless communication systems, and communication theory.

Tutorial Title:
Ultra-reliable and Low-latency Communications: Requirements, Solutions, and Future Directions

Instructor(s):
Chenyang Yang, Beihang University, China;
Changyang She, Singapore University of Technology and Design, Singapore

Supporting ultra-reliable and low-latency communications (URLLC) is one of the major goals in fifth generation (5G) communication systems. Ensuring such a stringent quality-of-service (QoS) enables various applications in tactile internet such as control of exoskeletons for patients, remote driving, free-viewpoint video, and synchronization of suppliers in a smart grid, and in ultra-reliable machine-type-communications (MTC) such as autonomous vehicles and factory automation. Due to limited radio resources, channel fading and network congestion, achieving the target requirements, including ultra-high reliability, ultra-low latency, and extremely high network availability, is very challenging in wireless communications.

The tutorial is organized as follows:

In the first part, we will introduce URLLC, discuss the QoS requirements, and provide an overview of different research initiatives related to URLLC.

In the second part, we will introduce some initial solutions of radio resource management in 5G RAN and transmission modes proposed for URLLC, where useful tools and methods for cross-layer design will be discussed.

In the last part, we will summarize some open problems in URLLC and discuss the future research directions.

Biography of the instructor(s):


Chenyang Yang, Beihang University, China

Chenyang Yang received her Ph.D. degree in Electrical Engineering from Beihang University (BUAA), China,  in 1997. She has been a full professor with BUAA since 1999. She has published over 300 papers in the fields of green radio, CoMP, interference management, etc. She was supported by the 1st Teaching and Research Award Program for Outstanding Young Teachers of Higher Education Institutions by Ministry of Education during 1999-2004. She was the chair of Beijing chapter and the MDC chair of APB of IEEE Communications Society. She has ever served as an associate editor for IEEE Trans. on Wireless Communications, guest editor for IEEE Journal of Selected Topics in Signal Processing and IEEE Journal of Selected Areas in Communications, an associate editor-in-chief of Chinese Journal of Communications and Chinese Journal of Signal Processing. Her recent research interests lie in wireless big data, local caching, and tactile internet.


Changyang She, Singapore University of Technology and Design, Singapore

Changyang She received his B. Eng and Ph.D. degrees in Electronics and Information Engineering from Beihang University (formerly Beijing University of Aeronautics and Astronautics, BUAA), Beijing, China in 2012 and 2017, respectively. He is now a postdoctoral research fellow with Singapore University of Technology and Design. His research interests lie in the areas of ultra-reliable and low-latency communications, machine type communication, big data for resource allocation in wireless networks and energy efficient transmission in 5G systems. He has ever served as TPC members for IEEE International Conference on Communications in China (ICCC) in 2016 and 2017. He has ever served as reviewers for several journals and conferences such as IEEE Journal on Selected Areas in Communications, IEEE Trans. on Wireless Communications, IEEE ICC, IEEE Globecom and so on.

Tutorial Title:
Statistical Queuing and Delay Analysis and Its Applications in Wireless Networking

Instructor(s):
Dr. Wenchi Cheng, Xidian University, China, email: wccheng@xidian.edu.cn;
Dr. Qinghe Du, Xi’an Jiaotong University, China, email: duqinghe@mail.xjtu.edu.cn

This proposal will be discussing the fundamental theory of statistical queuing and delay analysis, which controls the delay-bound violation probability within a very low tolerable level. This theory and its application typically aim at preventing delay violation from frequently happening. In other words, it is an approach for small or tail probability control, which has wide application in wireless communications and networking, especially on delay–bounded quality of service (QoS) assurance. This proposal would start with the background introduction on how statistical delay-bounded QoS metrics are important in current and future wireless networks. Then, the fundamental theory will be elaborated on in details with vivid illustration. Applications of the theory on delay-bounded QoS provisioning include how it is applied in diverse wireless networking scenarios, including point-to-point links, point-to-multi-point networks, relay networks, full-duplex enabled networks, device-to-device (D2D) underlaid networks, cognitive radio (CR) networks, etc. Moreover, we would also like to share our latest research progress regarding how to apply the theories’ into a wide spectrum of interests in wireless communications, including battery management, social-aware D2D networking, energy harvesting networks, orbital-angular-momentum (OAM) based multi-mode networks, as well as security assurance.

The tutorial is organized as follows:

Part I: Fundamental Theory of Statistical Queuing Analysis and Delay Control

  1. Background and challenges
  2. Fundamental theory of statistical delay control over wireless networks

Part II: Applications of Statistical Queuing Analysis and Delay Control in Wireless Networks

  1. QoS-Driven wireless communications in cellular networks
  2. Heterogeneous QoS in full-duplex-enabled wireless networks

Part III: Diversification of Applications Benefiting from Statistical Delay-Control Theory

  1. The applications of statistical delay-control theory on battery management, security assurance, and social aware networking.
  2. The applications of heterogeneous delay-bounded QoS provisioning on D2D networks, CR networks, FD-enabled networks, OAM based multi-mode networks.

It is a half-day tutorial, which will be presented by two speakers.

Biography of the instructor(s):


Dr. Wenchi Cheng, Xidian University, China

Wenchi Cheng (M’14) received B.S. degree and Ph.D. degree in Telecommunication Engineering from Xidian University, China, in 2008 and 2014, respectively, where he is an Associate Professor. He joined Department of Telecommunication Engineering, Xidian University, in 2013, as an Assistant Professor. He worked as a visiting scholar at Networking and Information Systems Laboratory, Department of Electrical and Computer Engineering, Texas A&M University, College Station, Texas, USA, from 2010 to 2011. His current research interests include 5G wireless networks and orbital-angular-momentum based wireless communications. He has published more than 40 international journal and conference papers in IEEE Journal on Selected Areas in Communications, IEEE Magazines, IEEE Transactions, IEEE INFOCOM, GLOBECOM, and ICC, etc. He received the Young Elite Scientist Award of CAST, the Best Dissertation (Rank 1) of China Institute of Communications, the Best Paper Nomination for IEEE GLOBECOM 2014, and the Outstanding Contribution Award for Xidian University. He has served or serving as the Associate Editor for IEEE Access, IEEE ICCC 2017 IoT Workshop Co-Chair, APCC 2017 RowComm Workshop Co-Chair, the TPC member for IEEE INFOCOM, GLOBECOM, and ICC.


Dr. Qinghe Du, Xi’an Jiaotong University, China

Qinghe Du (S’09–M’10) received his B.S. and M.S. degrees both from Xi’an Jiaotong University, China, and received his Ph.D. degree from Texas A&M University, USA, in 2010. He is currently an Associate Professor at School of Electronic and Information Engineering, Xi’an Jiaotong University, China. His research interests include mobile wireless communications and networking with emphasis on mobile multicast, statistical QoS provisioning, and cognitive radio networks. He has published more than 100 technical papers. He has been invited speakers for multiple events. He received the Best Paper Award in IEEE GLOBECOM 2007. He is serving as an Associate Editor of IEEE Communications Letters and an Editor of KSII Transactions on Internet and Information Systems. He has served as the TPC Co-Chairs for IEEE/CIC ICCC Workshop on Internet of Things (2013-2016), the Track Chair for IEEE International Conference on Internet of People 2015, the Track Chair for the 12th IEEE International Conference on Computer and Information Technology (CIT) 2012 – Mobile Multimedia Communications Track, Publicity Chairs for IEEE GLOBECOM 2011, ICST QShine 2010, IEEE ICC 2015 – Workshop on Security and Privacy for Internet of Things and Cyber-Physical System. He has served as TPC members for numerous conferences. He was awarded as a Distinguished Member of the 2016 IEEE INFOCOM Technical Program Committee.

Tutorial Title:
Communication and Signal Processing Advances in Wireless Power Transmission

Instructor(s):
Bruno Clerckx, Imperial College London, UK

Microwave wireless power transfer (WPT) is a promising technology to provide cost-effective and real-time power supplies to wireless devices. Although microwave WPT shares many similar characteristics with the extensively studied wireless information transfer or communication, they also differ significantly in terms of design objectives, transmitter/receiver architectures and hardware constraints, etc. In this tutorial, we first give an overview on the various WPT technologies, the historical development of the microwave WPT technology and the main challenges in designing contemporary microwave WPT systems. Then, we focus on discussing the new communication and signal processing techniques that can be applied to tackle these challenges. Topics discussed include energy harvester modelling, energy beamforming for WPT, channel acquisition, power region characterization in multi-user WPT, waveform design with linear and non-linear energy receiver model, safety and health issues of WPT, massive MIMO (multiple-input multiple-output) and millimeter wave (mmWave) enabled WPT, wireless charging control, and wireless power and communication systems co-design. We also point out directions that are promising for future research.

The tutorial is organized as follows:

1. Overview of WPT Technologies (15min)

  1. History of Microwave Wireless Power Transfer
  2. Microwave Wireless Power Transfer: A Fresh New Look

2. Analytical model of a rectenna (30min)

  1. Antenna model
  2. Rectifier and diode models

3. Single-user WPT (30min)

  1. Energy beamforming
  2. Channel acquisition
  3. Extension and future work

4. Multi-user WPT (30min)

  1. WPT network architecture
  2. Power region characterization
  3. Extension and future work

5. Waveform design (45 min)

  1. Effect of rectifier non-linearity
  2. Single-user waveform design
  3. Multi-user waveform design
  4. Circuit evaluations
  5. Extension and future work

6. Prototyping and experimentation of WPT (15min)

7. Further discussions (15min)

  1. Safety and health issues
  2. Massive MIMO and mmwave WPT
  3. Wireless charging control
  4. Joint design with wireless communications

Biography of the instructor(s):


Bruno Clerckx, Imperial College London, UK

Bruno Clerckx (Imperial College London, UK) is a Senior Lecturer (Associate Professor) in the Electrical and Electronic Engineering Department at Imperial College London (London, United Kingdom). He received his M.S. and Ph.D. degree in applied science from the Université catholique de Louvain (Louvain-la-Neuve, Belgium) in 2000 and 2005, respectively. From 2006 to 2011, he was with Samsung Electronics (Suwon, South Korea) where he actively contributed to 3GPP LTE/LTE-A and IEEE 802.16m and acted as the rapporteur for the 3GPP Coordinated Multi-Point (CoMP) Study Item. Since 2011, he has been with Imperial College London, first a Lecturer (Assistant Professor) and now as a Senior Lecturer. From April 2014 till March 2016, he also occupied an Associate Professor position at Korea University, Seoul, Korea. He also held visiting research appointments at Stanford University, EURECOM, NUS and HKU. He is the author of 2 books, 120 peer-reviewed international research papers, 150 standard contributions and the inventor of 75 issued or pending patents among which 15 have been adopted in the specifications of 4G (3GPP LTE/LTE-A and IEEE 802.16m) standards. Dr. Clerckx served as an editor for IEEE TRANSACTIONS ON COMMUNICATIONS from 2011-2015 and is currently an editor for IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS. He is an Elected Member of the IEEE Signal Processing Society SPCOM Technical Committee. His area of expertise is communication theory and signal processing for wireless networks.

Tutorial Title:
Signal Processing for Full-Duplex Wireless Communications: Its Challenges, Practical Solutions and Future Research Directions

Instructor(s):
Zhongshan Zhang, University of Science and Technology Beijing, Beijing, China, email: zhangzs@ustb.edu.cn

The family of conventional half-duplex (HD) wireless systems relied on transmitting and receiving in different time-slots or frequency sub-bands. Hence the wireless research community aspires to conceive full-duplex (FD) operation for supporting concurrent transmission and reception in a single time/frequency channel, which would improve the attainable spectral efficiency by a factor of two. The main challenge encountered in implementing an FD wireless device is the large power difference between the self-interference (SI) imposed by the device’s own transmissions and the signal of interest received from a remote source. In this tutorial, we present a comprehensive list of the potential FD techniques and highlight their pros and cons. We classify the SI cancellation techniques into three categories, namely passive suppression, analog cancellation and digital cancellation, with the advantages and disadvantages of each technique compared. Specifically, we analyze the main impairments (e.g. phase noise, power amplifier nonlinearity as well as in-phase and quadrature-phase (I/Q) imbalance, etc.) that degrading the SI cancellation. We then discuss the FD based Media Access Control (MAC)-layer protocol design for the sake of addressing some of the critical issues, such as the problem of hidden terminals, the resultant end-to-end delay and the high packet loss ratio (PLR) due to network congestion. After elaborating on a variety of physical/MAC-layer techniques, we discuss potential solutions conceived for meeting the challenges imposed by the aforementioned techniques. Furthermore, we also discuss a range of critical issues related to the implementation, performance enhancement and optimization of FD systems, including important topics such as hybrid FD/HD scheme, optimal relay selection and optimal power allocation, etc. Finally, a variety of new directions and open problems associated with FD technology are pointed out.

The tutorial is organized as follows (100+ PPT Slides, 1~2 hour) :

1. Motivation of Full-Duplex Research

  1. Global Spectrum Shortage
  2. Half-Duplex Erodes Resource Utilization
  3. Full-Duplex Doubles Spectral Efficiency
  4. Challenges in Full-Duplex Operations

2. Benefits of Employing Full-Duplex

  1. Driving Forcebehind the advances in FD
  2. Capacity Analysis in FD
  3. Outage Probability in FD Links
  4. BER Performance in FD
  5. Benefits of Employing Full-Duplex
  6. Pros/Cons of Full-Duplex Techniques

3. Self-Interference Cancellation

  1. Why Should We Perform SI Cancellation?
  2. Key Points
  3. Principles of SI Cancellation
  4. Self-Interference Cancellation Categories
    • Passive SI Suppression
    • Active SI Cancellation
    • Open Issues in SI Cancellation Techniques
  5. Impairments Imposed on SI Cancellation
  6. Practical Full Duplex SI Cancellation Designs

4. Full-Duplex MAC-Layer Protocols

  1. Full-Duplex MAC Design
    • The Busytone-aided MAC Protocol
    • FD-MAC Protocol
  2. Challenging Issues in MAC Design

5. Practical Implementation Issues

  1. Full-Duplex Relaying with SI Mitigation
  2. Hybrid FD/HD Relaying
    • Five-Phase based Hybrid FD/HD Relaying
    • Hybrid Schemes in CRNs
  3. Opportunistic FD/HD Mode

6. Conclusions & Potential Future Research

  1. Conclusions
  2. Future Directions

Biography of the instructor(s):


Zhongshan Zhang, University of Science and Technology Beijing, Beijing, China

Dr. Zhongshan Zhang received the B.E. and M.S. degrees in computer science from the Beijing University of Posts and Telecommunications (BUPT) in 1998 and 2001, respectively, and received Ph.D. degree in electrical engineering in 2004 from BUPT. From Aug. 2004 he joined DoCoMo Beijing Laboratories as an associate researcher, and was promoted to be a researcher in Dec. 2005. From Feb. 2006, he joined University of Alberta, Edmonton, AB, Canada, as a postdoctoral fellow. From Apr. 2009, he joined the Department of Research and Innovation (R&I), Alcatel-Lucent, Shanghai, as a Research Scientist. From Aug. 2010 to Jul. 2011, he worked in NEC China Laboratories, as a Senior Researcher. He served or is serving as a Guest Editor and/or an editor for several technical journals, such as the IEEE COMMUNICATIONS MAGAZINE and KSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS. He is currently a professor of the School of Computer and Communication Engineering in the University of Science and Technology Beijing (USTB). His main research interests include full-duplex communications, Massive MIMO, self-organized networking and cooperative communications.