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IEEE GLOBECOM 2012 Tutorial Program


Monday, 3 December 2012

9:00 – 12:00
- T1: An Introduction to Small Cell Wireless Networks
- T2: Mobile-Station and Base-Station Cooperation for Near-Capacity Wireless Communication
- T3: Gigabit Wireless LAN: Enhancements in IEEE 802.11ac 

14:00 – 17:00
- T4: Content Delivery Acceleration
- T5: Quality of Service Provisioning in Wireless Cognitive Radio Network
- T6: M2M in Smart Grid & Smart Cities: Technologies, Standards, and Applications


Friday, 7 December 2012

9:00 – 12:00
- T7: Interference Alignment: State of the Art
- T8: Resource Management in Mobile Cloud Computing CANCELLED
- T9: Opportunistic Communication: Unified View and New Applications

14:00 – 17:00
- T10: Security Investigation on 4G LTE Wireless Networks
- T11: Joint PHY-MAC Design for Spectral- and Energy-Efficient Wireless Networks
- T12: Cooperative Spectrum Sensing: From Fundamental Limits to Practical Designs
 


Monday, 3 December 2012
9:00 – 12:00

T1: An Introduction to Small Cell Wireless Networks
Mehdi Bennis, University of Oulu, Finland
Walid Saad, University of Miami, USA


Small cell networks (SCNs) have recently emerged as a key cost-effective solution for enhancing the capacity, coverage, and performance of wireless cellular systems. In this tutorial, we will provide a comprehensive overview on SCNs while highlighting key challenges and associated solutions. First, we provide an overview on advanced analytical techniques, such as stochastic geometry, suitable for modeling and analyzing SCNs. We will show how these new spatial and random statistical models provide tractable and powerful tools for computing network performance metrics such as coverage probability and spectral efficiency. Second, we will delve into the details of advanced interference management techniques tailored for the unique features of SCNs. In particular, we will introduce key concepts such as cell range expansion, cell selection and adaptive resource partitioning that lie at the heart of next-generation LTE-Advanced systems. Then, we will discuss in details the concept of self-organizing networks (SONs) as it applies to small cell deployment. Here, we focus on novel game-theoretic and learning techniques that are of paramount importance for enabling heterogeneous and small-cell networks to co-exist with legacy macrocell systems. We will then conclude the tutorial by providing an in-depth overview on the current and future challenges facing the large-scale deployment of wireless SCNs.

Biographies



Dr. Mehdi Bennis received his M.Sc. degree in Electrical Engineering jointly from the Ecole Polytechnique Federale de Lausanne (EPFL), Switzerland and the Eurecom Institute, France in 2002. From 2002 to 2004, he worked as a research engineer at IMRA-EUROPE investigating adaptive equalization algorithms for mobile digital TV.

In 2004, he joined the Centre for Wireless Communications (CWC) at the University of Oulu, Finland as a research scientist. In 2008, he was a visiting researcher at the Alcatel-Lucent chair on °exible radio, SUPELEC. He obtained his Ph.D in December 2009 on spectrum sharing for future mobile cellular systems. His main research interests are in radio resource management, heterogeneous networks, game theory and machine learning in the context of heterogeneous and small cell networks. Mehdi has published more than 50 research papers in international conferences, journals and book chapters. He was also a co-chair at the 1st international workshop on small cell wireless networks (SmallNets) in conjunction with ICC 2012.




Dr. Walid Saad received his B.E. degree in Computer and Communications Engineering from the Lebanese University in 2004, his M.E. in Computer and Communications Engineering from the American University of Beirut (AUB) in 2007, and his Ph.D degree from the University of Oslo in 2010. Currently, he is an Assistant Professor at the Electrical and Computer Engineering Department at the University of Miami. In the past, he has held several research positions at institutions such as the University of Illinois at Urbana Champaign and Princeton University. His research interests span several areas such as wireless small cell networks, game theory and its applications, cognitive radio networks, and security. He was an author/co-author of the papers that received the Best Paper Award at the 7th International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt), in June 2009, at the 5th International Conference on Internet Monitoring and Protection (ICIMP) in May 2010, and at the IEEE Wireless Communications and Networking Conference (WCNC) in April 2012.
 


Monday, 3 December 2012
9:00 – 12:00

T2: Mobile-Station and Base-Station Cooperation for Near-Capacity Wireless Communication
Lajos Hanzo, University of Southampton, UK


The limitations of MIMOs relying on co-located array-elements are highlighted and it is shown, how the single-antenna-aided cooperative mobiles may circumvent these limitations by forming MIMOs having distributed elements. This concept is also referred to a Virtual Antenna Arrays (VAA). Then the corresponding amplify-forward and decode-forward protocols as well as their hybrids are studied. Channel coding has to be specifically designed for the VAAs in order to prevent avalanche-like error-propagation. Hence sophisticated three-stage-concatenated iterative channel coding schemes are proposed and it is argued that in the absence of accurate channel information at the relays the best way forward might be to use multiple-symbol differential detection. Indeed, it is rather unrealistic to expect that an altruistically relaying handset would also accurately estimate the source-relay channel for the sake of high-integrity coherent detection. EXIT-chart-aided designs are used for creating near-capacity solutions and a range of future research directions as well as open problems are stated.

Biography



Lajos Hanzo FREng, FIEEE, FIET, Fellow of EURASIP, DSc has held various research and academic posts in Hungary, Germany and the UK. He has co-authored 20 Wiley-IEEE Press books and has 1250 research contributions at IEEE Xplore. He presented recent short courses for example at: IEEE ICC 2008, Beijing, China; IEEE VTC 2008, Singapore; IEEE WCNC 2008, Las Vegas; IEEE VTC 2008, Calgary, Canada; IEEE GLOBECOM 2008, New Orleans, USA; IEEE VTC 2009, Barcelona, Spain; IEEE ICC 2009, Dresden, Germany; IEEE VTC 2009, Anchorage, USA; IEEE GLOBECOM 2009, Hawaii, USA; NCC 2010, Chennai, India; IEEE VTC 2010, Taipei, Taiwan; IEEE ICC 2010, Cape Town, South Africa; IEEE VTC 2010, Ottawa; IEEE ICC 2011 Kyoto, Japan; IEEE WCNC 2011, Cancun, Mexico; IEEE VTC 2011, San Francisco, USA; IEEE GLOBECOM 2011, Houston, USA.
 


Monday, 3 December 2012
9:00 – 12:00

T3: Gigabit Wireless LAN: Enhancements in IEEE 802.11ac 
Eldad Perahia, Intel Corporation, USA
Robert Stacey, Apple, USA


IEEE 802.11ac standard amendment introduces gigabit data rates to 802.11 wireless networking. The maximum data rates with 802.11ac will be ten times faster than with the 802.11n standard, reaching almost 7 Gbps. These data rates will significantly enhance Wi-Fi usages such as wireless display and sync-and-go. This tutorial provides a comprehensive overview of the technology in the p802.11ac draft standard amendment.

We begin with an overview of the applications, environments, channel models, use cases, and usage models developed by the study group and task group that provided the framework for proposal development. We continue with the technical description of the draft standard with a detailed discussion of the key throughput enhancing features: wider bandwidth channels and multi-user, multiple-input, multiple-output (MU-MIMO).

Further throughput enhancements in the PHY include 256 QAM and up to eight spatial streams. In the MAC, this includes enhancements to the aggregation. Additional important topics include the new PHY preamble, auto-preamble detection, non-contiguous channelization, and modifications to LDPC and STBC. In the MAC topics such as coexistence mechanisms for wider channels and enhancements to the clear channel assessment mechanism will be covered. Transmit beamforming in 802.11ac will also be reviewed to highlight the improvements over 802.11n transmit beamforming.

Biographies



Dr. Eldad Perahia is Intel Corporation’s lead in IEEE 802.11ac. He has been actively involved in the 802.11ac task group since its inception. Eldad is the 802.11ac Coexistence Ad Hoc co-chair. Eldad is also the 802.11ad (60 GHz) chair. Prior to that, he was the chair of the 802.11 Very High Throughput Study Group that launched 802.11ac and 802.11ad. Eldad was also the 802.11n Coexistence Ad Hoc chair. He has twenty patents, and numerous papers and patent filings in various areas of wireless including satellite communications, cellular, WLAN, millimeter wave technology, and radar. Eldad has a Ph.D. from the University of California, Los Angeles in electrical engineering specializing in digital radio.




Robert Stacey is Apple’s lead in IEEE 802.11ac. He is Technical Editor for the 802.11ac amendment, co-chair of the MU-MIMO ad-hoc in the 802.11ac task group and an active participant in various 802.11 task groups. Robert has numerous patents in the field of wireless communications. He has a MSEE from University of the Witwatersrand, South Africa.
 

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Monday, 3 December 2012
14:00 – 17:00

T4: Content Delivery Acceleration
Nirwan Ansari, NJIT, USA


The Internet has evolved into a critical global infrastructure, affecting every facet of how we live and conduct business in all aspects while creating a myriad of entrepreneurial possibilities and markets. It has become the platform through which content is pulled and pushed using various end devices. However, streaming content in a timely fashion does present a great challenge, and has a direct impact on the economic vibrance of content providers, service providers, and equipment vendors. This tutorial will discuss roadblocks in achieving rapid content delivery; cover the state of the art on accelerating content delivery including data reduction, caching, protocol optimization, and consideration of heterogeneity; and present further challenges as the Internet continues to evolve. This is a critical subject well sought by academic and industrial R&D as advances in content delivery acceleration will not only enhance user experience but will more importantly fuel further development and economic growth, making not-currently-possible applications feasible.

Biography



Nirwan Ansari received B.S.E.E. (summa cum laude with a perfect gpa) from NJIT, Newark, M.S.E.E. from University of Michigan, Ann Arbor, and Ph.D. from Purdue University, West Lafayette. He joined NJIT’s Department of Electrical and Computer Engineering as Assistant Professor in 1988, and has been Full Professor since 1997. He also assumed various administrative positions at NJIT. He co-authored Computational Intelligence for Optimization (1997), and co-edited Neural Networks in Telecommunications (1994). His current research focuses on various aspects of broadband networks and multimedia communications. He has contributed over 150 refereed journal articles and has been granted over 15 US patents. He has also co-guest-edited a number of special issues covering cutting-edge topics on communications and networking. He has served on the Editorial Board and Advisory Board of eight journals, including as a Senior Technical Editor of IEEE Communications Magazine (2006–2009). Some of his recent recognitions include the NJIT Excellence in Teaching in Outstanding Professional Development (2008), IEEE MGA Leadership Award (2008), IEEE Fellow (Class of 2009), the NCE Excellence in Teaching Award (2009), a couple of best paper awards, a Thomas Alva Edison Patent Award (2010), and designation as an IEEE COMSOC Distinguished Lecturer (2006-2009).
 


Monday, 3 December 2012
14:00 – 17:00

T5: Quality of Service Provisioning in Wireless Cognitive Radio Network
Xi Zhang, Texas A&M University, USA


Recent years have witnessed the rapid emergence and development of a wide variety of cognitive radio technologies as the intelligent, flexible, and efficient spectrum accessing way to increase the spectrum efficiency by enabling the secondary users (unlicensed users) to opportunistically utilize the vacant spectrum which is not used by the primary users (licensed users). The quality of service (QoS) provisioning in wireless cognitive radio networks, which is critical to a wide range of time-, reliability-, and/or throughput-sensitive wireless communications networks applications, encounters many new and challenging problems in that the QoS performance of the secondary users is not only affected by the time-varying wireless channels or links, but also constrained by the uncertain incumbency of the primary users. In this tutorial, we will address a number of key issues and challenges, as well as the state-of-the-art theories and techniques for QoS-assurance wireless cognitive radio networks. This tutorial will also cover a number of our newly developed results on the designs and performance modeling techniques for QoS-driven wireless cognitive radio networks with emphasis on PHY and MAC layers aspects. We will provide the tutorial attendees with an essential understanding of the current research of the QoS-provisioning in wireless cognitive radio networks.

Biography



Xi Zhang received his Ph.D. in electrical engineering and computer science (Electrical Engineering-Systems) from The University of Michigan, Ann Arbor. He is currently an Associate Professor and Founding Director of Networking and Information Systems Laboratory, Dept. of Electrical and Computer Engineering, Texas A&M University. He was with Networks and Distributed Systems Research Department, AT&T Bell Laboratories, Murray Hills, NJ, and with AT&T Laboratories Research, Florham Park, NJ. He has published over 200 research papers. He received U.S. National Science Foundation CAREER Award in 2004. He is an IEEE Communications Society Distinguished Lecturer. He received Best Paper Awards in IEEE GLOBECOM 2007, IEEE GLOBECOM 2009, and IEEE WCNC 2010, respectively. He received TEES Select Young Faculty Award for Excellence in Research from College of Engineering at Texas A&M University in 2006. He is serving or has served as Editors for IEEE Transactions on Communications, IEEE Transactions on Wireless Communications, IEEE Transactions on Vehicular Technology, and IEEE Communications Letters; Guest Editors for IEEE Journal on Selected Areas in Communications, IEEE Communications Magazine, IEEE Wireless Communications Magazine. He is serving or has served as TPC Chair for IEEE GLOBECOM 2011, TPC Area Chair for IEEE INFOCOM 2012, General Vice-Chair for IEEE WCNC 2013, TPC Vice-Chair for IEEE CCNC 2013, etc.
 


Monday, 3 December 2012
14:00 – 17:00

T6: M2M in Smart Grid & Smart Cities: Technologies, Standards, and Applications
Mischa Dohler, CTTC, Spain
David Boswarthick, ETSI, France
Jesús Alonso Zárate, CTTC, Spain


The unprecedented communication paradigm of machine-to-machine (M2), facilitating 24/7 ultra-reliable connectivity between a prior unseen number of automated devices, is currently gripping both industrial as well as academic communities. The aim of this tutorial is to provide a detailed academic, technical and industrial insight into latest key aspects of wireless M2M networks, with particular application to smart cities and smart grids.

We will provide an in-depth introduction to the particularities of M2M systems, and then dwell in great depths on the capillary and cellular embodiments of M2M. The focus of capillary M2M will be on IEEE (.15.4e) and IETF (6LoWPAN, ROLL, COAP) standards compliant low-power multihop networking designs; furthermore, for the first time, low power Wifi will be dealt with and positioned into the eco-system of capillary M2M. The focus of cellular M2M will be on latest activities, status and trends in leading M2M standardization bodies with technical focus on ETSI M2M and 3GPP LTE-M; furthermore, we will discuss analytical and simulation works quantifying the performance and impact of M2M in legacy cellular networks.

Along the entire tutorial, challenges and open issued will be identified, thus making the material presented in this tutorial useful for industry and inspiring for researchers and academics alike.


Biographies



Mischa Dohler is now leading the Intelligent Energy [IQe] group at CTTC in Barcelona, with focus on Smart Grids and Green Radios. He is working on machine-to-machine and micro grids. He is Senior Member of the IEEE and Distinguished Lecturer of IEEE ComSoc. He is fluent in 6 languages and an experienced lecturer with more than 30 tutorials over the past decade.
He has published around 150 technical journal and conference papers at a citation h- and g-index of 28 and 60, holds a dozen patents, authored, co-edited and contributed to 19 books, has given 31 international short-courses, and participated in various standardisation activities. He has been TPC member and co-chair of various conferences, such as technical chair of IEEE PIMRC 2008 held in Cannes, France. He is Editor-in-Chief of ETT and is/has been holding various editorial positions for numerous IEEE and non-IEEE journals.

Since 2009, he is also CTO of Worldsensing. From 2005-2008, he has been Senior Research Expert at France Telecom, France. From 2003-2005, he has been lecturer at King's College London, UK. He obtained his PhD in Telecommunications from King's College London, UK, in 2003, his Diploma in Electrical Engineering from Dresden University of Technology, Germany, in 2000, and his MSc degree in Telecommunications from King's College London, UK, in 1999.



David Boswarthick is presently responsible for Machine to Machine standardization in the European Telecommunications Standards Institute (ETSI). He is the Technical Officer for the M2M standards group which is defining the standardized service layer platform which will be applicable to multiple machine type services (Smart energy, Health, connected consumer and smart cities to name but a few).

He recently has co-authored two books, his principle activity being that of contributor and chief editor on “M2M, a systems approach”, as well as involvement with “The Internet of Things, Key Applications and Protocols.”

David is involved with ETSI’s participation to the EU mandates M441 (Smart Meter), M490 (Smart Grid) and M468 (Electric Vehicles) as well as participating to the expert panel of the European Commission for their work on the Internet of Things.

Previously he was extensively involved in the standardization activities of mobile, fixed and convergent networks in both the European Telecommunications Standards Institute (ETSI) and the 3rd Generation Partnership Project (3GPP).



Jesús Alonso Zárate received his MSc (with Honors) and PhD (Cum Laude) degrees in Telecommunication Engineering from the Universitat Politècnica de Catalunya (UPC, Spain) in March 2004 and February 2009, respectively. In 2005, he was awarded by the National Telecommunication Agency (COIT) of Spain with the Best Master Thesis Award in ICT. In 2011, he received the UPC Award for his thesis read during the course 2008/2009 (Premi Extraordinari de Doctorat 2011). He is now with the CTTC holding a Research Associate position within the Intelligent Energy Area. He has published several scientific papers in renowned international journals (IEEE Wireless Communications Magazine, IEEE Transactions on Wireless Communications, etc.) and international conferences (IEEE ICC, IEEE GLOBECOM, IEEE PIMRC, IEEE VTC, etc.) over the last years and he has also participated in both public funded and industrial research projects. In 2011, he was awarded with the Best Paper Award of IEEE International Conference on Communications (ICC) with a technical contribution towards the energy-efficiency of wireless communications. Over the last two years, he has been co-presenting with Mischa Dohler a series of tutorial-based courses on M2M communications around the globe in prestigious conferences and international fora.
 

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Friday, 7 December 2012
9:00 – 12:00

T7: Interference Alignment: State of the Art
Syed A. Jafar, University of California, Davis, USA


Interference is the primary bottleneck on the data rate capacity of most wireless and many wired networks. The recent emergence of the idea of interference alignment has shown that the throughput limits of interference networks may be orders of magnitude higher than previously imagined. In a relatively short period of three years since its emergence, the idea has gained tremendous momentum in research pursued by industry as well as the academia within the network information theory, communication theory, signal processing, and network coding communities. This tutorial introduces the audience to the idea of interference alignment, traces its origins, reviews a variety of interference alignment schemes, summarizes the diverse settings where the idea of interference alignment is applicable and highlights the common principles that cut across these diverse applications. The emphasis of the tutorial is on recent developments in interference alignment.

Biography



Syed A. Jafar received his B. Tech. degree in Electrical Engineering from the Indian Institute of Technology (IIT), Delhi, India in 1997, his M.S. degree in Electrical Engineering from California Institute of Technology (Caltech), Pasadena USA in 1999, and his Ph.D. degree in Electrical Engineering from Stanford University, Stanford, CA USA in 2003. His industry experience includes positions at Lucent Bell Labs, Qualcomm Inc. and Hughes Software Systems. He is currently an Associate Professor in the Department of Electrical Engineering and Computer Science at the University of California Irvine, Irvine, CA, USA. His research interests include multiuser information theory and wireless communications.

Dr. Jafar received the NSF CAREER Award in 2006, the ONR Young Investigator Award in 2008, the IEEE Information Theory Society Paper Award in 2009 and the UC Irvine Engineering School Fariborz Maseeh Award for Outstanding Research in 2010. Dr. Jafar received the UC Irvine EECS Professor of the Year award four times, in 2006, 2009, 2011 and 2012, from the Engineering Students Council and the Teaching Excellence Award in 2012 from the School of Engineering, for excellence in teaching. He was a plenary speaker at various conferences including Communication Theory Workshop, SPCOM and SPAWC, an inaugural lecturer for the Canadian School of Information Theory and a Visiting Erskine Fellow at the University of Canterbury, New Zealand. He served as Associate Editor for IEEE Transactions on Communications 2004-2009, for IEEE Communications Letters 2008-2009 and is currently serving as Associate Editor for IEEE Transactions on Information Theory.

 


Friday, 7 December 2012
9:00 – 12:00

T8: Resource Management in Mobile Cloud Computing
Dusit Niyato, Nanyang Technological University, Singapore


Mobile cloud computing integrates the cloud computing concepts into the mobile environment and overcomes obstacles related to the performance improvement of mobile computing systems (e.g., battery life, bandwidth, and capacity), networking environment (e.g., heterogeneity, scalability, and availability), and mobile system security (e.g., reliability and privacy). In this tutorial, an exposition to mobile cloud computing will be provided. Starting with the motivations of mobile cloud computing, the basics of the relevant technologies including mobile and wireless services and cloud computing will be discussed. Then, the details of a mobile computing architecture and its components will be described. Different approaches proposed in the literature to address various issues and challenges will be discussed. Then, the resource management issues will be discussed in detail. In mobile cloud computing, resource management plays an important role to achieve the highest service utilization and hence maximum revenue. The resource management is challenging since it needs to consider jointly the radio resources of the wireless systems and computing resources of the data center. The optimization and economics models for the resource management in mobile cloud computing will be presented. To this end, I will outline several major research directions in mobile cloud computing.

Biography



Dusit Niyato is currently an Assistant Professor in the Division of Computer Communications, School of Computer Engineering, Nanyang Technological University, Singapore. His current research interests include design, analysis, and optimization of wireless communication and vehicular networks for ITS applications, mobile cloud computing, smart grid systems, and green radio communications. He is co-author of the books Dynamic Spectrum Access and
Management in Cognitive Radio Networks (Cambridge University Press, 2009) and Game Theory in Wireless and Communication Networks: Theory, Models, and Applications (Cambridge University Press, 2009, ISBN: 978-0-521-89847-8). He has published more than 80 papers in leading Journal and Conferences related to protocol design and radio resource management in mobile communication systems. Dr. Niyato serves as an Editor for the IEEE
Transactions on Wireless Communications, Wireless Communications and Mobile Computing (WCMC) Journal and Journal of Communications and Networks (JCN). He served as a co-chair for the Next Generation Mobile Networks Symposium held in conjunction with International Wireless Communications and Mobile Computing Conference (IWCMC) in 2009 and 2010.
 


Friday, 7 December 2012
9:00 – 12:00

T9: Opportunistic Communication: Unified View and New Applications
Aria Nosratinia, University of Texas, Dallas, USA


Opportunistic communication is a simple but effective method of leveraging multiple fading realizations to make the best instantaneous use of wireless resources. This simple idea has found many manifestations, from multi-user diversity to antenna selection to relay selection. Moreover, recent developments hint that opportunistic methods may find a wider breadth than previously thought. This tutorial outlines the principles, tools, and applications of opportunistic communication, with special attention to potential future developments and research directions. The tutorial begins with a historical background and explores the classical multi-user diversity and its extensions. Various aspects of this problem, including limited feedback, will be discussed. Another important instance of opportunistic communication is relay selection; an outline of known results in relay selection will be presented and potential future directions will be discussed. The related area of MIMO antenna selection will be visited. Finally the advances in the last few years will be sampled along two directions: first, new results will be presented that allow the extension of opportunistic communication and its analysis to network topologies that previously could not be analyzed under multiuser diversity, for example the broadcast relay channel. Second, the application of multiuser diversity in cognitive radio will be discussed.

Biography



Aria Nosratinia is the Jonsson Distinguished Professor of Engineering and Computer Science and the associate head of the electrical engineering department at the University of Texas at Dallas. He received his Ph.D. in Electrical Engineering from the University of Illinois at Urbana-Champaign in 1996. He has held visiting positions at Princeton University, Rice University and UCLA. His interests are in the area of signal processing and communication for wireless networks. His research in the recent past has concentrated on cooperative and opportunistic wireless communications, areas in which he is widely published and cited. He is currently serving as associate editor for the IEEE Transactions on Wireless Communications. He has been a past editor for the IEEE Trans. Information Theory, IEEE Transactions on Image Processing, and IEEE Signal Processing Letters. He has been on the organizing committees of several IEEE conferences. He has received the National Science Foundation Career award, as well as two chapter awards from the IEEE Signal Processing Society. He was elected IEEE Fellow "for contributions to multimedia and wireless communication."
 

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Friday, 7 December 2012
14:00 – 17:00

T10: Security Investigation on 4G LTE Wireless Networks
Maode Ma, Nanyang Technological University, Singapore


The 3GPP Long Term Evolution (LTE) system has emerged to be the fourth generation of the 3GPP mobile cellular network. The LTE system is designed to support flat Internet Protocol (IP) connectivity and full interworking with heterogeneous radio access networks. It is expected that the LTE technology could provide much higher data transmission rate beyond 100 Mbps over a long distance. Security is a serious concern by the end users and service providers. In order to protect reliable and secure communications among end users, indispensable mechanisms for secure communication between legitimate subscribers and mobile networks are in demand.

In this tutorial, an overview of the architecture of LTE wireless networks will be the presented followed by an introduction on its security framework with major security mechanisms specified by 3GPP. Furthermore, various possible malicious attacks to the LTE networks and the vulnerabilities of the existing authentication schemes in the LTE networks will be revealed.

Moreover, a few potential open research issues and the existing solutions on the security functionality of the LTE systems will be explored to attract the attentions and interests from the research community and industry. At last, a solution to prevent denial-of-service attacks and enhance the security of the authentication process for the LTE wireless networks will be demonstrated as an example to motivate the academic research.

Biography



Dr. Maode Ma received his Ph.D. degree in computer science from Hong Kong University of Science and Technology in 1999. Dr. Ma is an Associate Professor in the School of Electrical and Electronic Engineering at Nanyang Technological University in Singapore. He has extensive research interests including wireless networking and wireless network security. He has led and/or participated in around 20 research projects funded by government, industry, military and universities in various countries. He has been a member of the technical program committees for more than 120 international conferences. He has been a general chair, technical symposium chair, tutorial chair, publication chair, publicity chair and session chair for more than 50 international conferences. Dr. Ma has more than 200 international academic publications. He currently serves as the Editor-in-Chief of International Journal of Electronic Transport. He serves as a Senior Editor for IEEE Communications Surveys and Tutorials, and an Associate Editor for International Journal of Network and Computer Applications, International Journal of Security and Communication Networks, International Journal of Wireless Communications and Mobile Computing and International Journal of Communication Systems. Dr. Ma is a senior member of IEEE Communication Society and IEEE Education Society.
 


Friday, 7 December 2012
14:00 – 17:00

T11: Joint PHY-MAC Design for Spectral- and Energy-Efficient Wireless Networks
Guowang Miao, Royal Institute of Technology, Sweden
Ye (Geoffrey) Li, Georgia Institute of Technology, USA


The future success of communication networks hinges on the ability to overcome the mismatch between requested quality of service (QoS) and limited network resources. Spectrum is a natural resource that cannot be replenished and therefore must be used efficiently. On the other hand, energy efficiency (EE) is also becoming increasingly important as battery technology has not kept up with the growing requirements stemming from ubiquitous multimedia applications. This tutorial introduces cross-layer technologies to improve both spectral and energy efficiency from different perspectives of wireless systems. We will first discuss the basic wireless channel characteristics and the methodologies needed to enable high-performance wireless networks. Then we introduce state-of-art spectral and energy efficient communication technologies for both individual users and multi-user networks. We will discuss in detail the relation between SE and EE in different types of wireless networks and introduce new guidelines for future wireless network design. The tutorial will be concluded by the discussion of the tradeoff between spectral and energy efficiency in interference limited networks.

Biographies



Guowang Miao (S’ 05 - M’ 10) received a B.S. and a M.S. degree, in 2003 and 2006, in electronic engineering from Tsinghua University, Beijing, China, and a M.S. degree and a Ph.D. degree, both in 2009, in electrical and computer engineering from Georgia Institute of Technology, Atlanta, GA, USA. He joined Dallas Telecom Lab of Samsung, Texas, in 2010 as a Senior Algorithms and Standards Engineer and worked on next generation wireless communications technologies and 3GPP Long Term Evolution - Advanced (LTE-A) Standard, with a focus on both PHY and MAC layers. Starting from Fall 2011, he is a tenure-track assistant professor in the Department of Communications Systems, KTH - The Royal Institute of Technology, Stockholm, Sweden. His research interest is in the design and optimization of wireless networks, with a current focus on energy efficient wireless communications, distributed random access, scheduling, PHY-MAC joint design, etc. In 2011, he won an Individual Gold Award from Samsung Telecom America for his contribution in LTE-A standardization. He was an exemplary reviewer for IEEE Communications Letters in 2011.




Ye (Geoffrey) Li (S'93-M'95-SM'97- F’ 05) received his B.S.E. and M.S.E. degrees in 1983 and 1986, respectively, from the Department of Wireless Engineering, Nanjing Institute of Technology, Nanjing, China, and his Ph.D. degree in 1994 from the Department of Electrical Engineering, Auburn University, Alabama. He was a Teaching Assistant and then a Lecturer with Southeast University, Nanjing, China, from 1986 to 1991, a Research and Teaching Assistant with Auburn University, Alabama, from 1991 to 1994, and a Post-Doctoral Research Associate with the University of Maryland at College Park, Maryland, from 1994 to 1996. He was with AT&T Labs - Research at Red Bank, New Jersey, as a Senior and then a Principal Technical Staff Member from 1996 to 2000. Since 2000, he has been with the School of Electrical and Computer Engineering at Georgia Institute of Technology as an Associate and then a Full Professor. He is also holding the Cheung Kong Scholar title at the University of Electronic Science and Technology of China since March 2006. He has been awarded an IEEE Fellow for his contributions to signal processing for wireless communications since 2006, selected as a Distinguished Lecturer for 2009 - 2010 by IEEE Communications Society, and won 2010 IEEE Communications Society Stephen O. Rice Prize Paper Award in the field of communications theory.

 


Friday, 7 December 2012
14:00 – 17:00

T12: Cooperative Spectrum Sensing: From Fundamental Limits to Practical Designs
Liuqing Yang, Colorado State University, USA
Louis L. Scharf, Colorado State University, USA


With increasing demands of wireless services both in variety and quality, the spectrum is exhausted quickly under the fixed allocation policy. On the other hand, majority of the spectrum is underutilized. To this end, cognitive radio comes as a promising solution.

The recent 2011 FCC release of the DTV band gives yet another strong stimulus to this technology. The first and foremost function in cognitive radio is spectrum sensing. This enabling function faces several challenges including noise uncertainty, fading and shadowing, and stringent performance requirement. In this tutorial, fundamentals of spectrum sensing will be comprehensively analyzed, and various practical sensing techniques will be introduced from the perspectives of both the diversity analysis in terms of the signal-to-noise ratio (SNR) and the asymptotic analysis in terms of the number of users in cooperation.

Biographies



Dr. Liuqing Yang received her Ph.D. degree in Electrical and Computer Engineering from the University of Minnesota, Minneapolis, in 2004. Since then, she has been with the Department of Electrical and Computer Engineering at the University of Florida, Gainesville, where she became an Associate Professor in 2009. She is currently an Associate Professor with the Department of Electrical and Computer Engineering at Colorado State University. Her general interests are in areas of communications and signal processing. Dr. Yang was the recipient of the Best Dissertation Award in the Physical Sciences & Engineering from the University of Minnesota in 2004, the Best Paper Award at the ICUWB in 2006, the AFOSR Summer Faculty Fellowship in 2007, the ONR YIP award in 2007, and the NSF CAREER award in 2009. She is serving as an active reviewer for more than 10 journals, as TPC chair/member for a number of conferences, and as an associate editor for 4 journals. Dr. Yang is a senior IEEE member, and has been the co-chair of the Mobile Communication Networks technical committee of the IEEE ITSS since 2006, and the vice chair of the IEEE Gainesville section from 2006 to 2010.



Dr. Louis Scharf received his Ph.D. from the University of Washington, Seattle. From 1971 – 1982, he served as Professor of Electrical Engineering and Statistics at Colorado State University. From 1982 – 1985, he was Professor and Chairman of Electrical and Computer Engineering at the University of Rhode Island, Kingston. From 1985 – 2000, he was Professor of Electrical and Computer Engineering at the University of Colorado, Boulder. In January 2001, he rejoined CSU and is Research Professor in the Department of Mathematic now.

Professor Scharf is a recognized expert in statistical signal processing, as it applies to adaptive radar, sonar, and wireless communication. His most important contributions to date are to invariance theories for detection and estimation; matched and adaptive subspace detectors for radar, sonar, and data communication; and canonical decompositions for reduced dimensional filtering and quantizing.

Professor Scharf is a Life Fellow of IEEE. He chairs the Fellow Committee for the IEEE Signal Processing Society, and serves on its Technical Committees for Theory and Methods and for Sensor Arrays and Multichannel Signal Processing. He has received numerous awards, including an IEEE Distinguished Lectureship, an IEEE Third Millennium Medal, and the Technical Achievement Award from the IEEE Signal Processing Society.

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