IEEE Transactions on Mobile Computing

IEEE Transactions on Mobile Computing (TMC) is a scholarly archival journal published monthly that focuses on the key technical issues related to Mobile Computing. It is the intent of TMC to publish mature works of research, typically those that have appeared in part in conferences. Furthermore, it is the intent ofTMC to focus on issues at the link-layer and above in wireless communications, and to focus only on topics explicitly or plausibly related to mobile systems. Read the full scope of TMC

From the November 2015 issue

Modelling and Analysis of Communication Traffic Heterogeneity in Opportunistic Networks

By Pavlos Sermpezis and Thrasyvoulos Spyropoulos

featured article thumbnailIn opportunistic networks, direct communication between mobile devices is used to extend the set of services accessible through cellular or WiFi networks. Mobility patterns and their impact in such networks have been extensively studied. In contrast, this has not been the case with communication traffic patterns, where homogeneous traffic between all nodes is usually assumed. This assumption is generally not true, as node mobility and social characteristics can significantly affect the end-to-end traffic demand between them. To this end, in this paper, we explore the joint effect of traffic patterns and node mobility on the performance of popular forwarding mechanisms, both analytically and through simulations. Among the different insights stemming from our analysis, we identify conditions under which heterogeneity renders the added value of using extra relays more/less useful. Furthermore, we confirm the intuition that an increasing amount of heterogeneity closes the performance gap between different forwarding policies, making end-to-end routing more challenging in some cases, or less necessary in others. To our best knowledge, this is the first effort to model, analyze, and quantify effects of traffic heterogeneity. We believe this is an important step towards better protocol design and evaluation of the feasibility of applications in opportunistic networks.

download PDF View the PDF of this article    csdl View this issue in the digital library

Editorials and Announcements


  • According to Thomson Reuters' 2013 Journal Citation Report, TMC has an impact factor of 2.912.
  • Get Your Journals as eBooks for Free
  • We are pleased to announce that Prasant Mohapatra, the Tim Bucher Family Endowed Chair in the Computer Science Department at the University of California, Davis, has been named the new Editor-in-Chief of the IEEE Transactions on Mobile Computing starting in 2014.


Reviewers List

Annual Index

Access recently published TMC articles

RSS Subscribe to the RSS feed of latest TMC content added to the digital library.

Mail Sign up for the Transactions Connection newsletter.

Listen to the OnlinePlus podcast: Computer Society Publishing—two more titles migrate to OnlinePlus™ in 2012.

In this podcast, VP of Publications, David Alan Grier talks about Transactions on Mobile Computing and Transactions on Parallel and Distributed Systems migrating to OnlinePlus™.

TMC is a joint publication of the:

IEEE Computer SocietyIEEE Circuits and Systems Society IEEE Comunications Society IEEE Signal Processing Society


TMC is published in cooperation with: IEEE Electromagnetic Compatibility Society, IEEE Engineering in Medicine and Biology Society, IEEE Technology Management Council, IEEE Information Theory Society, IEEE Instrumentation and Measurement Society, IEEE Power & Energy Society, IEEE Robotics and Automation Society, and IEEE Systems, Man, and Cybernetics Society

TMC is indexed in ISI

Computing Now