quality of service in mobile ad hoc networks

... research interests are in the routing protocols and security in wireless internet and mobile ad hoc networks; algorithms, complexity, power connectivity and coverage in wireless sensor networks; adaptation, ... is, dynamic source routing and ad hoc on-demand distance vector routing Their findings are expected to lead to further performance improvements of various ad hoc networks in the future The sixth ... Associate Professor in the Department of Electrical Engineering and Computer Science at the University of Toledo, USA He received his Ph.D degree from the Chinese Academy of Sciences in 1994 Dr...

Ngày tải lên: 22/06/2014, 22:20

... overhead At the beginning of sequential update, a coalition of t servers, instead of all servers, update their shares by applying the traditional proactive share update scheme The remaining nodes ... mobility of nodes It minimizes routing loads and enhances expandability of network by allowing participating nodes to authenticate each other without being interrupted by joining the cluster In their ... even in the destination cluster or position Also, we can consider two kind of client nodes mobility, nodes mobility inside the nodes administrative domain and between the administrative domains...

Ngày tải lên: 20/06/2014, 22:20

... Camp, “Comparison of broadcasting techniques for mobile ad hoc networks, ” in Proceedings of the 3rd ACM International Symposium on Mobile Ad Hoc Networking and Computing (MOBIHOC ’02), pp 194–205, ... Williams and T Camp, “Comparison of broadcasting techniques for mobile ad hoc networks, ” in Proceedings of the 3rd ACM International Symposium on Mobile Ad Hoc Networking [16] [17] [18] [19] [20] ... broadcast in mobile ad hoc networks using connected dominating sets,” Journal of Software, vol 12, no 4, pp 529–536, 2001 [10] W Peng and X.-C Lu, “On the reduction of broadcast redundancy in mobile...

Ngày tải lên: 22/06/2014, 22:20

... UNIVERSITY UNIVERSITY OF TECHNOLOGY AND ENGINEERING Binh Minh Nguyen EFFICIENT CORE SELECTION FOR MULTICAST ROUTING IN MOBILE AD HOC NETWORKS GRADUATION THESIS Faculty of Information Technology ... mechanism In mobile ad hoc networks, node movement results in failure of the old links and network topology of new connections A new CBT protocol for mobile ad hoc networks has been proposed by doing ... transferring (i.e., the transfer of a software upgrade from software developers to users needing the upgrade), streaming of continuous media (e.g., the transfer of the audio, video and text of a...

Ngày tải lên: 23/11/2012, 15:03

... joins a Multicast group in WBM (b) Multicast tree at the end of joining process Routing zone of S Routing zone of A Routing zone of B A Routing zone of S Routing zone of A A B S Routing zone of ... Johnson, “Adaptive demand-driven multicast routing in multi-hop wireless ad hoc networks, ” in Proceedings of the 2nd ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc ’01), ... already seen the packet In symmetric link ad hoc networks, an intermediate MMA can deliver the RREP packet on the reverse route of the RREQ packet, while in asymmetric link ad hoc networks, an intermediate...

Ngày tải lên: 21/06/2014, 22:20

... Q Yin, “Improving fairness among TCP flows crossing wireless ad hoc and wired networks, ” in Proceedings of the 4th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc ... Klemm, and C Lindemann, “TCP with adaptive pacing for multihop wireless networks, ” in Proceedings of the 6th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc ’05), pp ... scheduling in wireless ad- hoc networks: analytical framework and implementation,” in Proceedings of the ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc ’01), pp 221–231,...

Ngày tải lên: 22/06/2014, 19:20

... any point in time, as it is common in the existing literature on mobility in MANETs In reality, fading links are the norm in wireless communication networks at the scales relevant for ad hoc networks ... Blackmore, “Link ratio for ad hoc networks in a rayleigh fading channel,” in Proceedings of the 3rd Workshop on the Internet, Telecommunications and Signal Processing (WITSP ’04), pp 252–255, Adelaide, ... multi-hop mobile environment,” in Proceedings of the 5th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc ’04), pp 145– 156, Roppongi Hills, Tokyo, Japan, 2004 [4] L Qin...

Ngày tải lên: 22/06/2014, 22:20

... Assuming that the intermediate nodes have a probability of a link failure of a > 829 controlled by the rate of displacement of each node This is determined by using the services of a GPS In MTCU, ... (similar to the periodic updating used in ad hoc networks) Further research is required for determining the usefulness of these strategies in mobile ad hoc networking models which use a static grid ... is online) wait until a timer expires if τintra = expired if dist Lc , Lintra ≥ Dintra Disseminate intrascope update Lintra ← Lc Dintra τintra ← + Tc V else Dintra − dist Lc , Lintra τintra ←...

Ngày tải lên: 23/06/2014, 00:20

... fidelity of the HER algorithm, as it provides a more optimized solution by considering the link traffic in an active network In HER algorithm, each node, instead of adding the remaining energy level, adds ... mobile computing in wireless Ad Hoc networks, ” IEEE Commun Mag., vol 39, no 6, pp 138–147, 2001 [5] S Singh, M Woo, and C S Raghavendra, “Power-aware routing in mobile Ad Hoc networks, ” in Proc 4th ... Aruppukottai, Madurai University, in 1975, and graduated from Madras Institute of Technology with a major in electronics and communication engineering in 1978 He obtained his Ph.D degree in the area of coded...

Ngày tải lên: 23/06/2014, 00:20

... MOBILITY-ADAPTIVE CLUSTERING AND NETWORKLAYER MULTICASTING IN MOBILE AD HOC NETWORKS ER INN INN (B Sc (Hons.), UTM) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF COMPUTER ... Adaptive Demand-driven Multicast Routing ALM Aggregated Local Mobility AMRIS Ad- hoc Multicast Routing Protocol utilizing Increasing id-numberS AMRoute Ad hoc Multicast Routing Protocol AODV Ad- hoc ... defining, evaluating and comparing protocol scalability in MANETs The scalability of a protocol in MANETs is a measure of its ability to maintain good performance, which is defined by certain...

Ngày tải lên: 14/09/2015, 17:55

... 5.9 References Quality of service 6.1 Introduction 6.2 Routing in mobile ad hoc networks 6.3 Routing with quality of service constraints 6.4 Quality of service routing in ad hoc networks 6.5 Conclusion ... Acknowledgements Introduction 1.1 Ad hoc networking 1.2 The ad hoc wireless network: operating principles 1.3 Ad hoc networks: vulnerabilities 1.4 Ad hoc networks: security requirements 1.5 Quality of service ... studies of ad hoc networks with QoS constraints continue to be an active area of research Chapter discusses the state of the art of quality of service in ad hoc networks and is a good source of more...

Ngày tải lên: 25/03/2014, 12:07

... Investigation in Wireless ad hoc Networks We propose in this section a methodology for formal digital investigation of security attacks in the context of mobile ad hoc and sensor networks, which ... attention to Mobile Ad hoc and Sensor Networks (MASNets) The inherent characteristics of these networks, including the broadcast and unreliable nature of links, and the absence of infrastructure, force ... variation In a previous work [17], we proposed a cooperative observation network for the investigation of attacks in mobile ad hoc networks A set of randomly distributed nodes, in charge of collecting...

Ngày tải lên: 21/06/2014, 02:20

... Number of false route breakages in linear chains 34 3.6 An example of ad hoc networks: node 1, B and C are in the transmission range of node ; node 2, A and H are in the interference ... herein These are the study of TCP performance in ad hoc networks and the mathematical approaches to model TCP in the Internet 2.1 2.1.1 TCP in MANETs Challenges for TCP in MANETs Unlike wired networks, ... emergence of ad hoc networks, these previously developed TCP models are no longer accurate due to inherent problems in these environments Firstly, ad hoc networks have multiple wireless radio links...

Ngày tải lên: 13/09/2015, 21:25

... Principles o Traffic shaping l l leaky bucket token bucket o Scheduling strategies l l l l l FIFO Priority Round Robin Fair Queueing RED o IntServ o DiffServ Queue Management Improving QOS in ... Management Principles for QOS Guarantees (more) o Alternative to Marking and Policing: allocate a set portion of bandwidth to each application flow; can lead to inefficient use of bandwidth if one of the ... the transmission instant of the last bit l served in the order of instants l Queue Management 21 Weighted Fair Queueing o Fair queueing l equal parts : 1/n o Weighted fair queueing l each flow...

Ngày tải lên: 06/04/2013, 11:05

... Department of Telecommunication Systems Department of Telecommunication Systems School of Engineering School of Engineering Publisher: Blekinge Institute of Technology Blekinge Institute of Technology ... application-perceived Quality of Service The work was done at the School of Engineering at Blekinge Institute of Technology (BTH) in the context of the Personal Information for Intelligent Transport ... different mobile service provider networks • Investigation of the suitability of wireless networks with respect to different mobile services, such as streaming audio or messaging 1.4 THESIS OUTLINE...

Ngày tải lên: 18/10/2013, 12:15

... improving the performance of TCP on wireless ad hoc networks, those readers who are interested in single-hop wireless networks are referred to [17] The readers interested in the surveys of TCP ... Symposium on Mobile Ad hoc Networking and Computing: MobiHoc 2001 56–66 (2001) 39 RV Boppana, SP Konduru, An adaptive distance vector routing algorithm for mobile, ad hoc networks, in INFOCOM 2001 ... multipath routing in mobile ad hoc networks IEEE Int Conf Commun 2, 1064–1068 (2003) 43 MS Lee, Gerla, Split multipath routing with maximally disjoint paths in Ad hoc networks IEEE Int Conf Commun...

Ngày tải lên: 21/06/2014, 00:20

... analysis of wireless ad hoc networks with beamforming IEEE Trans Veh Technol 58(9), 5247–5257 (2009) [12] X Zhou, S Durrani, H Jones, Connectivity of Ad Hoc Networks: Is Fading Good or Bad? in Proceedings ... sparse wireless ad hoc networks IEEE Trans Mobile Comput 2(1), 25–39 (2003) [6] O Dousse, P Thiran, M Hasler, Connectivity in ad- hoc and hybrid networks in Proceedings of 21st Annual Joint Conference ... and Weibull fading models We also consider the combined effect of lognormal shadow fading and small-scale fading models 1) Rayleigh fading: Assume that the received signal amplitude in V2V channel...

Ngày tải lên: 21/06/2014, 17:20

... fading, shadowing, and path loss,” in Proceedings of the IEEE International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob $06), pp 110–115, Montreal, Canada, ... Conclusions In this paper, we addressed the problem of determining an analytical expression for the probability of one-hop packet reception in vehicular ad hoc networks While this probability is in uenced ... node The work in [6–8] incorporated a nonidealistic sensing of the radio channel and thus addressed the problem of hidden terminals The work in [9, 10] digressed from the assumption of saturated...

Ngày tải lên: 21/06/2014, 22:20

... His main interests are wireless networks, quality of service, and network management Ioannis Papapanagiotou has been studying in the Electrical and Computer Engineering School of University of Patras, ... Member of the academic staff of the Department of Electrical and Computer Engineering of the University of Patras and holds the position of Associate Professor Since 2004, he has been the Director of ... University of Thessaloniki (2002) He is currently in the process of defending his Ph.D thesis in telecommunications in the School of Electrical Engineering and Computer Science in the University of Patras,...

Ngày tải lên: 22/06/2014, 22:20