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State of the Transactions


Pages: pp. 1-4

I would like to extend to all our readers a warm welcome to a new year, and take this opportunity to comment on the state of our journal and various changes that have taken place. TMC is overall in robust health, and is clearly the journal of choice for researchers in mobile computing, as demonstrated by a high impact factor that has grown rapidly in recent years. It is now the third most cited Computer Society journal, and is ranked among the top 10 journals in information systems and telecommunications.

Perhaps the most significant trend for TMC during the last year or two has been a significant increase in the number of submissions, from around 400 in 2007 to close to 550 during the past year. Needless to say, this has brought challenges for the editorial process, with the peer review burden increasing quite significantly, a discernible decrease in average submission quality, and an increase of papers in newer areas that were not as well represented on the Editorial Board. Furthermore, the furious pace with which related conferences have grown means that getting an adequate number of high quality reviewers in a timely fashion has become much harder. While we continue to do well in average submission-to-decision and submission-to-publication times, there are an increasing number of papers that have seen unacceptable delays, and a gradual build up of backlog that is concerning.

To address these issues, we have been taking many steps. First, we are becoming more hard-nosed about papers that are on the periphery of TMC’s scope. In previous years, as TMC was growing, there was a desire to accommodate these papers, but that is a luxury that we are increasingly unable to afford. For example, submissions in areas such as sensor networks and lower layers that do not offer a substantive treatment of TMC-relevant topics such as computing, location/context awareness, mobility, higher layer networking, energy management, etc., will increasingly be administratively rejected, and the authors will be recommended to send their papers to journals more focused in those areas.

Second, we are subjecting papers to a higher degree of initial scrutiny to determine whether it is worthwhile to devote resources for a full review, and administratively rejecting papers of doubtful quality upfront. I expect this reliance on initial screening will only increase as we get an increasing number of papers that clearly have not been vetted through conferences and are not at all ready for an archival journal review.

Third, we have aggressively expanded the size of the Editorial Board to reduce the burden on individual Associate Editors, and also added expertise in areas where we receive more papers. In this context, it is my pleasure to introduce the following new Associate Editors who were added in recent months: Suman Banerjee, Levente Buttyán, Thomas Hou, Mary Ann Ingram, Neal Patwari, Konstantinos Psounis, Lili Qiu, Andreas Terzis, and Qian Zhang. Collectively, they bring expertise in sensor networks, delay-tolerant networks, security and privacy, wireless internetworking, cross-layer and physical-layer issues, cognitive networks, localization mechanisms, and mobility management. I would like to thank them for agreeing to serve on the Editorial Board. Their biographies are included on the following pages.

In addition, I would also like to take this opportunity to thank our departing Associate Editors whose terms finished during 2009 or who stepped down for personal reasons: Robert Istepanian, Rohit Negi, Stephan Weiss, and Suresh Singh. All four of these Associate Editors contributed immensely to TMC, and I truly appreciate their dedicated service during their tenures.

One area where the journal still needs to improve is in better reflecting the diversity of mobile computing. Papers submitted to TMC continue to be dominantly in mobile and wireless networking, and we would like to see more papers on systems issues of mobile computing, such as OS support, energy management, novel platforms, human factors, applications, etc. In an attempt to reinforce that TMC is actively soliciting such papers, in the coming months, there will be a special section of top papers drawn from MobiSys 2009. I would really like to encourage authors to submit results from their best systems research as papers to TMC. We have a number of well-regarded systems researchers on the Editorial Board who will provide a thoughtful and fair review and decision process, which, unlike the up/down decisions at conferences, provides for a meaningful dialogue between the authors and the reviewers that often helps improve the paper.

Last, I would like to thank our readers and authors for their continued support of TMC, and also the members of the Editorial Board, the Steering Committee, and the Computer Society staff for their help in making this journal succeed. Please feel free to send me your feedback and suggestions about the journal and its direction. I look forward to hearing from you.

Mani B. Srivastava


About the Authors

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Suman Banerjee received the BTech degree in computer science and engineering from IIT Kanpur, India, in 1996, and the MS and PhD degrees in computer science from the University of Maryland, College Park, in 1999 and 2003, respectively. Since December 2003, he has been an assistant professor in computer sciences at the University of Wisconsin-Madison, where he is the founder-director of the Wisconsin Wireless and Networking Systems (WiNGS) laboratory. Along with students and colleagues, the WiNGS laboratory has established a strong research program on diverse topics in mobile and wireless networking systems. Dr. Banerjee has served on the technical program committees of all major conferences in the field, e.g., ACM SIGCOMM, ACM MobiCom, ACM MobiSys, ACM MobiHoc, ACM Sigmetrics, IEEE INFOCOM, IEEE SECON, and many others. In the recent years, he has also served in multiple organizational roles in many of these conferences. Dr. Banerjee received the US National Science Foundation CAREER Award in 2008. He is also a member of the ACM and the IEEE.
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Levente Buttyán received the MSc degree in computer science from the Budapest University of Technology and Economics (BME) in 1995 and the PhD degree from the Swiss Federal Institute of Technology—Lausanne (EPFL) in 2002. In 2003, he joined the Department of Telecommunications at BME, where he currently holds a position as an associate professor and works in the Laboratory of Cryptography and Systems Security (CrySyS). His research interests are in the design and analysis of security protocols and privacy enhancing mechanisms for wireless networked embedded systems (including wireless sensor networks, mesh networks, vehicular communications, and RFID systems) and the application of formal methods in security engineering. Dr. Buttyán has carried out research in various international research projects (e.g., UbiSecSens, SeVeCom, EU-MESH, and WSAN4CIP), in which he had task leader and work package leader roles. He has published around 20 refereed journal papers and around 40 refereed conference/workshop papers. He has also coauthored a book with Jean-Pierre Hubaux entitled Security and Cooperation in Wireless Networks (Cambridge University Press, 2008). Besides research, he has been teaching courses on network security and electronic commerce in the MSc program at BME, and has given invited lectures at various places. He is an area editor of Elsevier’s Computer Communications, a member of the editorial board of the Infocommunications Journal in Hungary, and was a guest coeditor of the IEEE Journal on Selected Areas in Communications’ special issue on non-cooperative behavior in networking. He is a steering committee member for the ACM Conference on Wireless Network Security and has served on the Technical Program Committees of around 30 international conferences and workshops, most of which were related to wireless network security. He is the chair of the Scientific Committee of the Scientific Association for Infocommunications Hungary, a sister society of the IEEE Communications Society. He is a member of the ACM and the IEEE Computer Society. He has held visiting positions at EPFL and at the University of Washington, Seattle. He received the Békésy György Postdoctoral Fellowship (2003-2006) and the Bolyai János Research Fellowship (2008-2011) of the Hungarian Academy of Sciences.
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Thomas Hou received the BE degree from the City College of New York in 1991, the MS degree from Columbia University in 1993, and the PhD degree from the Polytechnic Institute of New York University (formerly known as Polytechnic University) in 1998, all in electrical engineering. From 1997 to 2002, Dr. Hou was a researcher at Fujitsu Laboratories of America, Sunnyvale, California. Since 2002, he has been with the Bradley Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, Virginia, where he is now an associate professor. Prof. Hou’s research interests are in cross-layer design and optimization for cognitive radio wireless networks, MIMO-based ad hoc networks, cooperative communications, video communications over dynamic ad hoc networks, and algorithm design for sensor networks. He was a recipient of a US Office of Naval Research (ONR) Young Investigator Award in 2003 and a US National Science Foundation (NSF) CAREER Award in 2004 for his research on optimizations and algorithm design for wireless ad hoc and sensor networks. He has published extensively in leading IEEE and ACM journals and conferences and received five best paper awards from the IEEE (including IEEE INFOCOM 2008 and IEEE ICNP 2002). He holds five US patents. Dr. Hou is an editor of the IEEE Transactions on Wireless Communications, IEEE Wireless Communications, ACM/Springer Wireless Networks (WINET), and Elsevier’s Ad Hoc Networks. He was a past associate editor of the IEEE Transactions on Vehicular Technology. He served as a technical program cochair of IEEE INFOCOM 2009 and is currently a member of the IEEE INFOCOM steering committee. He is a senior member of the IEEE and the ACM.
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Mary Ann Ingram received the BEE and PhD degrees from the Georgia Institute of Technology (Georgia Tech), Atlanta, in 1983 and 1989, respectively. Since 1989, she has been a faculty member of the School of Electrical and Computer Engineering at Georgia Tech, where she is currently a professor. Her early research areas were in optical communications and radar systems. In 1997, she established the Smart Antenna Research Laboratory (SARL) at Georgia Tech, which emphasizes the application of multiple antennas to wireless communication systems. In 2006, she received the Georgia Tech ADVANCE Professorship for the College of Engineering. She was a visiting professor at Aalborg University, Denmark, in the summers of 2006-2008. The SARL performs system analysis and design, channel measurement, and prototyping relating primarily to wireless local area, ad hoc, and sensor networks, with a focus on the lower layers of communication networks. She has authored or coauthored two book chapters and more than 110 refereed journal and conference papers, including three special issue papers and four conference papers that have won Best Paper awards. She is a senior member of the IEEE.
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Neal Patwari received the BS (1997) and MS (1999) degrees from the Virginia Polytechnic Institute and State University (Virginia Tech) and the PhD degree from the University of Michigan, Ann Arbor (2005), all in electrical engineering. He was a research engineer at Motorola Labs, Florida, between 1999 and 2001. Since 2006, he has been at the University of Utah, where he is an assistant professor in the Department of Electrical and Computer Engineering with an adjunct appointment in the School of Computing. He directs the Sensing and Processing Across Networks (SPAN) Lab, which performs research at the intersection of statistical signal processing and wireless networking. His research interests are in radio channel signal processing, in which radio channel measurements are used for purposes of security, localization, and networking.
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Konstantinos Psounis received his first degree from the Department of Electrical and Computer Engineering, National Technical University of Athens, Greece, in June 1997, and the MS and PhD degrees in electrical engineering from Stanford University, California, in January 1999 and December 2002, respectively. He is an associate professor of electrical engineering and computer science at the University of Southern California. He models and analyzes the performance of a variety of networks, including the Internet, mobile ad hoc networks, delay and disruptive tolerant networks, sensor networks, mesh networks, peer to peer networks, and the Web. He also designs methods and algorithms to solve problems related to such systems. He is the author of more than 60 research papers on these topics. He has received faculty awards from US National Science Foundation, ARL, CISCO Systems, the METRANS transportation center, and the Zumberge foundation, was a Stanford graduate fellow throughout his graduate studies, and received the best student National Technical University of Athens award for graduating first in his class.
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Lili Qiu received the MS and PhD degrees in computer science from Cornell University in 1999 and 2001, respectively. She is an assistant professor at the University of Texas at Austin (UT). Before joining UT in 2005, she spent four years as a researcher at Microsoft Research working on Internet and wireless networking research. She received the US National Science Foundation CAREER award in 2006. She has published more than 50 papers in leading networking conferences and journals, such as SIGCOMM, MobiCom, SIGMETRICS, NSDI, INFOCOM, ICNP, the ACM/IEEE Transactions on Networking, and the IEEE Transactions on Mobile Computing, along with seven US patents. She serves as an associate editor-in-chief for the Mobile Computing and Communications Review (MC2R), and was a program cochair for WICON 2006, a general cochair for WICON 2007, and a program committee member of leading networking conferences, including SIGCOMM, MobiCom, INFOCOM, ICNP, and ICDCS. She also serves as the treasurer for SIGMOBILE. She is a senior member of the IEEE.
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Andreas Terzis received the PhD degree from the Computer Science Department at the University of California, Los Angeles, in 2000. He is an assistant professor in the Department of Computer Science at Johns Hopkins University, where he heads the Hopkins InterNetworking Research (HiNRG) Group. His research interests are in the broad area of wireless sensor networks, including protocol design, system support, and data management. He is a recipient of the US National Science Foundation CAREER award.
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Qian Zhang received the BS, MS, and PhD degrees from Wuhan University, China, in 1994, 1996, and 1999, respectively, all in computer science. She joined the Hong Kong University of Science and Technology in September 2005 as an associate professor. She is now the codirector of the Huawei-HKUST Innovation Lab and the associate director of the Digital Life Research Center at HKUST. Before that, she was at Microsoft Research, Asia, Beijing, China, from July 1999, where she was the research manager of the Wireless and Networking Group. Dr. Zhang has published more than 200 refereed papers in international leading journals and key conferences in the areas of wireless/Internet multimedia networking, wireless communications and networking, and overlay networking. She is the inventor of about 30 pending international patents. Her current research is on cognitive and cooperative networks, dynamic spectrum access and management, as well as wireless sensor networks. She has also participated in many activities in the IETF ROHC (Robust Header Compression) WG group for TCP/IP header compression. Dr. Zhang has received the TR 100 (MIT Technology Review) world’s top young innovator award. She also received the Best Asia Pacific (AP) Young Researcher Award elected by the IEEE Communication Society in 2004. She received the Best Paper Award in the Multimedia Technical Committee (MMTC) of the IEEE Communication Society in 2005 and Best Paper Awards for QShine 2006, IEEE Globecom 2007, and IEEE ICDCS 2008. She received the Overseas Young Investigator Award from the National Natural Science Foundation of China (NSFC) in 2006. Dr. Zhang is an editorial board member of the IEEE Transactions on Multimedia, the IEEE Transactions on Wireless Communications, Elsevier’s Computer Communications, and Elsevier’s Computer Networks. She is a steering committee member of the IEEE Transactions on Multimedia. She has also served as an associate editor for the IEEE Transactions on Vehicular Technologies. She served as a guest editor for the special issue on wireless video in the IEEE Wireless Communications Magazine, the special issue on cross-layer optimized wireless multimedia communications in the IEEE Journal on Selected Areas in Communications (JSAC), the special issue on wireless sensor networking in the IEEE Wireless Communication Magazine, the special issue on wireless multimedia sensor networks in Elsevier’s Computer Networks, the special issue on wireless mesh networks in the ACM/Springer Journal of Mobile Networks and Applications (MONET), the feature topic on advances in wireless VoIP in the IEEE Communications Magazine, and the special issue on quality-driven cross-layer design for multimedia communications in the IEEE Transactions on Multimedia. Dr. Zhang is the chair of the Multimedia Communication Technical Committee and the Technical Affairs Committee of the IEEE Asia Pacific Board (APB), both of the IEEE Communications Society. She is also a member of the Visual Signal Processing and Communication Technical Committee and the Multimedia System and Application Technical Committee of the IEEE Circuits and Systems Society. She has been involved in organizing many important international conferences, including IEEE INFOCOM, IEEE ICC/Globecom, ACM MobiCom, and ACM MobiHoc. She is the technical program committee cochair of IEEE INFOCOM 2011 and the technical program committee vice-chair of IEEE Globecom 2010. She is a senior member of the IEEE.
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