Wireless and mobile ad hoc networking and computing

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J. Parallel Distrib. Comput. 63 (2003) 12EditorialWireless and mobile ad hoc networking and computingMobile ad hoc and wireless networking technologiesare growing at an ever-faster rate, and this is likely tocontinue in the foreseeable future. As opposed tocellular networks, mobile users can communicate andexchange information in areas without a pre-existingnetwork infrastructure, or when the use of suchinfrastructure requires wireless extension in mobile adhoc networks. Such networks would prove to be veryuseful in civilian and non-civilian environments.This special issue of the Journal of Parallel andDistributed Computing contains a collection of high-quality papers on mobile and wireless ad hoc networks.It is intended to present the state of the art and thecurrent advances in mobile ad hoc networks.In response to the Call For Papers for this specialissue, we have received 78 high-quality submissions fromall over the world, leading to a truly internationalcompetition. The large number of submissions conrmsthe growing importance of mobile and wireless ad hocnetworks.The selection process has also been highly competi-tive. Each paper went through a rigorous peer review bythree to four referees. Based on the referee reports, theGuest Editor ranked the manuscripts for their originalcontribution and also carefully considered the suitabilityof the topics for the special issue. Thus, only 40submissions were selected and they went throughanother round of revisions. In the second round, onlynine manuscripts were recommended for publication inthis issue.Special thanks are due to all authors for theirsubmissions and the reviewers for their hard work andtimely report, which made this issue truly special.The paper by L. Bo and J.J. Garcia, focuses on thechannel access scheduling algorithm specication andperformance evaluation. They propose three types ofcollision free channel access protocol for ad hocnetworks, and evaluate the performance of theirschemes using an extensive simulation set of experi-ments.The paper by S. Lindsey et al., presents energyefcient one-to-all broadcast and all-to-all broadcastoperations in ad hoc and sensor networks. The authorsassume that mobile nodes have power control; therefore,they can adjust the range of their transmission. Theirresults indicate that a simple source-to-all broadcastperforms quite well in general, and the all-to-all broad-cast scheme performs well in situation awarenessapplications.The paper by Xu Lin and I. Stojmenovic discussesseveral variations of on demand-based multipath algo-rithm combined with a number of location updateschemes. Simulation experiments are provided toevaluate the performance of their schemes.Using a class of meta-heuristics and bio-inspiredtechniques, A. Zomaya et al., propose efcient locationmanagement schemes in mobile and wireless networks.The aim of their work is to determine whether geneticalgorithms can be applied successfully to solve thelocation management problem, and to evaluate theirefciency in solving this class of optimization problems.Their results indicate that genetic algorithms are indeeduseful in delivering cost-effective location managementsolutions.The paper by Y. Wu et al., introduces a bluetoothalgorithm, a distributed voice access protocol (DVAP).Unlike previous protocol designs, DVAP is intended foruse in system where deployments generate partiallyoverlapping radio coverage situations. Their experimen-tal results indicate that DVAP provides a better callblocking performance when compared to previous andrelated work.The next two papers examine the fundamentalproblem of communication in mobile and wirelessnetworks. The paper by I. Chatzigiannakis et al.presents efcient distributed communication algorithms,and provides their proof of correctness. The paper by Q.Li and D. Rus, presents a new communication approachthat guarantee message transmission delay in discon-nected mobile ad hoc networks. In order to facilitatecommunication, the authors investigate the possibilityof changing the host trajectory. They propose to studytwo variations to achieve this purpose. In the rstscheme, they use the location updates paradigm, and inthe second one they make use of full knowledge of themotion of the mobile host within some uncertaintyconditions.The last two papers investigate the use of a self-stabilizing paradigm to efciently design fault tolerant$This work was supported by the Texas Advanced ResearchProgram ARP/ATP Research Grant 003594-0092-2001.0743-7315/02/$ - see front matter r 2002 Published by Elsevier Science (USA).doi:10.1016/S0743-7315(02)00027-8and self-stabilizing protocols for wireless networks. Therst paper by P. Srimani et al., proposes two distributedmulticast routing protocols for mobile and wireless adhoc networks, and proves their correctness. The secondpaper by H. Baala et al. presents a self-stabilizingscheme for spanning tree construction in a wireless adhoc network. Their algorithm is resilient to transmitfaults and adaptive to topology changes, and thereby issuitable to mobile ad hoc networks.Last but certainly not least, our thanks to the Editor,Prof. S. Sahni, for his encouragement, support, andguidance throught this project.Azzedine Boukerche is an Assistant Professor ofComputer Sciences at the University of North Texas,and the Founding Director of the Parallel Simulationand Distributed and Mobile Systems Research Labora-tory (PARADISE) at UNT. Prior to this, he wasworking as a Senior Scientist at the Simulation SciencesDivision, Metron Corporation located in San Diego. Hewas employed as a Faculty at the School of ComputerScience (McGill Univ.) and he also taught at thePolytechnic of Montreal. He spent the 19911992academic year at the JPL-California Institute ofTechnology where he contributed to a project centeredabout the specication and verication of the softwareused to control interplanetary spacecraft operated byJPL/NASA Laboratory.His current research interests include wireless net-works, mobile computing, distributed systems, distrib-uted computing, distributed interactive simulation,parallel simulation, and VLSI design. Dr. Boukerchehas published several research papers in these areas. Hewas the recipient of the best research paper award atIEEE/ACM PADS97, the recipient of the NationalAward for Telecommunication Software in 1999 for hiswork on a distributed security system for mobile phoneoperations, and has been nominated for the best paperaward at the IEEE/ACM PADS99, and ACMMSWiM2001. He was the Program Co-Chair of theThird IEEE International Workshop on DistributedSimulation and Real Time Applications (DS-RT99),and a Program Co-Chair of the Second ACM Con-ference on Modeling, Analysis and Simulation ofWireless and Mobile Systems (MSWiM99), the GeneralCo-Chair of the principle Symposium on ModelingAnalysis, and Simulation of Computer and Telecom-munication Systems (MASCOTS), in 1998, a GeneralChair of the Third ACM Conference on Modeling,Analysis and Simulation of Wireless and MobileSystems (MSWiM2000), and a General Chair of FourthIEEE International workshop on Distributed Simula-tion and Real Time Application (DS-RT2000), a Chairand the main organizer of a special Session on wirelessand mobile computing at the IEEE HiPC2000 and as aTools-Chair for MASCOTS 2001.He served as a Guest Editor for several internationaljournals: VLSI Design, the Journal of Parallel andDistributed Computing (JPDC), ACM Wireless Net-works (WINET), and ACM Mobile Networks andApplications (MONET). Dr. Boukerche served as aGeneral Co-Chair for the I2TS2002 (Intl InformationTechnology Symposium), a Program Co-Chair for the35th SCS/IEEE/ACM Annual Simulation Symposium(2002), a Program Co-Chair for the 10th IEEE/ACMInternational Symposium on Modeling, Analysis, andSimulation of Computer and Telecommunication Sys-tems (2002), and Steering Committee Chair of the IEEEDS-RT, and ACM MSWiM conferences. Dr. Bou-kerche serves as a program Co-Chair for ACM/IFIPSEuroPar 2003, and 6th IEEE MWCN 2003.He has been a member of the Program Committee ofICPP, MASCOTS, BioSP3, ICCI, MSWiM, PADS andWoWMoM conferences. Dr. Boukerche is also anAssociate Editor of SCS Transactions on Simulation,and a member of IEEE and ACM.Azzedine BoukercheDepartment of Computer Science, College of Arts andSciences, University of North Texas, P.O. Box 311366,Denton, TX 76203-1366, USAE-mail address: boukerche@cs.unt.eduEditorial / J. Parallel Distrib. Comput. 63 (2003) 122


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