quality of service qos in ad hoc networks

... Ram Murthy, Quality of Service Provisioning in Ad hoc Wireless Networks: A Survey of Issues and Solutions Ad Hoc Networks 4, 83–124 (2006) L Kleinrock, F Tobagi, Packet Switching in Radio Channels: ... Multi-channel Mac for Ad Hoc Networks: Handling Multichannel Hidden Terminals Using a Single Transceiver, in 5th ACM International Symposium on Mobile Ad Hoc Networking and Computing, MobiHoc ‘04, 222–233 ... Multi-Channel MAC protocols in ad hoc networks Research efforts in the field of access mechanisms for single-channel ad hoc networks have been extensive For example, a multiplicity of single-channel MAC...

Ngày tải lên: 20/06/2014, 22:20

... researches in providing QoS aware routing algorithm for mobile multimedia applications Researches in the recent QoS routing in mobile ad hoc networks have been covered in [6] One of the major functions ... delay QoS routing determines the delivery path for flows taking into account both the availability of network resources and the QoS requirements of the flows There are active researches in providing ... streaming services in the Internet A survey of current research on how to provide QoS in peer-to-peer mobile multimedia applications is provided in [17] In this paper, we focus on the QoS provision...

Ngày tải lên: 21/06/2014, 06:20

... source routing protocol for multi-hop wireless ad hoc networks, ” in Ad Hoc Networking, pp 139–172, AddisonWesley, Reading, Mass, USA, 2001 [3] T Camp, J Boleng, and V Davies, “A survey of mobility ... Baroudi, “Bypass-AODV: improving performance of ad hoc on-demand distance vector (AODV) routing protocol in wireless ad hoc networks, ” in Proceedings of the International Conference on Ambient Media ... the impact of mobility on performance of routing protocols for adhoc networks, ” in Proceedings of the 22nd Annual Joint Conference on the IEEE Computer and Communications Societies (INFOCOM ’03),...

Ngày tải lên: 21/06/2014, 11:20

... 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 ... 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 ... 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...

Ngày tải lên: 21/06/2014, 17:20

... and guaranteed service coverage in partitionable mobile ad hoc networks, ” in Proceedings of the 21st Annual Joint Conference of the IEEE Computer and Communications Societies (INFOCOM ’02), vol ... Vaidya, “Location-aided routing (LAR) in mobile ad hoc networks, ” in Proceedings of the 4th Annual ACM/IEEE International Conference on Mobile Computing and Networking (MOBICOM ’98), pp 66–75, ... framework for analyzing the impact of mobility on performance of routing protocols for ad hoc networks, ” Ad Hoc Networks, vol 1, no 4, pp 383–403, 2003 L Kleinrock, Queueing Systems, vol 1, John Wiley...

Ngày tải lên: 22/06/2014, 19:20

... quality- of- service (QoS) issues in mobile ad hoc networks (MANETs) He is an Adjunct Professor in the Department of ECE at Georgia Institute of Technology and involved in research and consulting ... “Distributed quality- of- service routing in ad hoc networks, ” IEEE J Select Areas Commun., vol 17, no 8, pp 1488–1505, 1999 [4] B Das and V Bharghavan, “Routing in ad- hoc networks using minimum connected ... stability-based adaptive routing (SSA) for ad hoc mobile networks, ” IEEE Pers Commun., vol 4, no 1, pp 36–45, 1997 [10] Q Xue and A Ganz, Ad hoc QoS on-demand routing (AQOR) in mobile ad hoc networks, ”...

Ngày tải lên: 23/06/2014, 00:20

... burst introduces long delay and the centralized nature of this scheme does not scale well in long-haul backbone networks 1.3 Quality Of Service In OBS Networks Quality of service (QoS) in OBS networks ... determined With the burst loss performance as the main QoS metric, the aims of QoS mechanisms in OBS networks can be broadly divided into two categories: QoS provisioning and QoS enhancement [18] QoS ... Header-Buering-Based Service Dierentiation Instead of processing a header upon its arrival, this approach delays the scheduling decision for a burst by buering each header for a certain time In...

Ngày tải lên: 11/09/2015, 16:05

... [in ASCII format] [9] Kärpijoki, V Signalling and Routing Security in Mobile Ad Hoc Networks Proceedings of the Helsinki University of Technology, Seminar on Internetworking - Ad Hoc Networks, ... [in ASCII format] [12] Mäki, S Security Fundamentals in Ad Hoc Networking Proceedings of the Helsinki University of Technology, Seminar on Internetworking - Ad Hoc Networks, Spring 2000 ... Threats in Ad Hoc Networks 4.1 Types of Attacks Attacks against ad hoc networks can be divided into two groups: Passive attacks typically involve only eavesdropping of data Active attacks involve...

Ngày tải lên: 22/03/2014, 15:21

... communications in mobile ad hoc networks, ” Journal of Systems and Software, vol 80, no 10, pp 1667–1677, 2007 [6] P Yang and S Zheng, “Security management in hierarchical ad hoc network,” in Proceedings of ... and P Ning, “TinyECC: a configurable library for elliptic curve cryptography in wireless sensor networks, ” in Proceedings of the International Conference on Information Processing in Sensor Networks ... grouping or clustering issues for reducing traffic overhead and broadcast storm problems of MANETs, reducing the rekeying costs in Figure 2: A elliptic curve with P + Q + R = O key updating and increasing...

Ngày tải lên: 21/06/2014, 11:20

... capacity improvement of ad hoc wireless networks using directional antennas,” in Proceedings of the 4th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc ’03), pp 108–116, ... anonymous on demand routing with untraceable routes for mobile ad- hoc networks, ” in Proceedings of the 4th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc ’03), pp 291–302, ... destination of each routing Figure shows the TDP function of hops In this figure, the TDP of Shortest path routing using omni-direction antennas increases rapidly, while the TDP of MinDP routing...

Ngày tải lên: 21/06/2014, 20:20

... Ramanathan, “On the performance of ad hoc networks with beamforming antennas,” in Proceedings of the 2nd ACM International Symposium on Mobile Ad Hoc Networking & Computing (MobiHoc ’01), pp 95–105, Long ... for full exploitation of directional antennas in ad- hoc wireless networks, ” in Proceedings of the 4th ACM International Symposium on Mobile Ad Hoc Networking & Computing (MobiHoc ’03), pp 98–107, ... on the performance of ad hoc networks when using beamforming techniques,” in Proceedings of IEEE International Conference on Communications (ICC ’08), pp 2337–2342, Beijing, China, May 2008 [12]...

Ngày tải lên: 21/06/2014, 22:20

... as an increasing function of SINRi in (6) γ i := = SINRi + SINRi M H j =1 P j u j Δi u j Pi uH Ωi ui i , + K=M+1 P j uH Ωi u j + η j j (7) EURASIP Journal on Advances in Signal Processing which ... beamforming in ad hoc networks, ” in Proceedings of the IEEE Information Theory Workshop (ITW ’04), pp 396–401, San Antonio, Tex, USA, October 2004 A F Dana and B Hassibi, “On the power efficiency of ... transmissions in wireless ad hoc networks Figure shows an example of multiple beamforming This problem resembles the multiuser beamforming problem in MIMO systems which has been studied in [19] Moreover,...

Ngày tải lên: 22/06/2014, 19:20

... Beijing, China, in 2005 and is currently working toward the Master’s degree in communication engineering in Tsinghua University, Beijing, China From July to August 2004, he took part in an internship ... He graduated with the honor of eminent graduate from Tsinghua University in 2005 His research interests include wireless communications and networking, signal processing, and so forth Pingyi ... the Peking University, Beijing, China, in 2001 and 2004, respectively He is now a Research Fellow in the Electronic Engineering Department, Tsinghua University, Beijing, China His research interests...

Ngày tải lên: 22/06/2014, 22:20

... a routing protocol designed for use in mobile ad hoc networks The protocol divides the nodes of the ad hoc network into a number of overlapping or disjoint two-hop-diameter clusters using a distributed ... in terms of processing and networking overhead for the increased security that it offers In this paper, we examined the certification process for clustering routing protocols in ad hoc networks, ... “Securing Ad Hoc networks, ” IEEE Network, vol 13, no 6, pp 24–30, 1999 [8] M Steenstrup, “Cluster-based networks, ” in Ad Hoc Networking, C E Perkins, Ed., chapter 4, pp 75–138, Addison-Wesley, Reading,...

Ngày tải lên: 23/06/2014, 00:20

... 2-1: QoS Mechanisms Review customer QoS requirements Completely read the customer requirements provided Identify QoS service class requirements With the aid of your partner, identify the service ... the administrative QoS policy based on customer requirements Identify network locations where QoS classification and marking should be applied Identify locations in the network where the QoS ... Problem Spreadsheet © 2006 Cisco Systems, Inc All rights reserved QoS v2.2—4 Visual Objective for Lab 2-1: QoS Lab Setup and Initialization © 2006 Cisco Systems, Inc All rights reserved QoS v2.2—5...

Ngày tải lên: 04/07/2014, 01:20

... should be evenly spread in the network 2.3.2.1 Creating a dominating set In [26], a dominating set is created to handle the discovery of services A dominating set is defined as a set that nodes ... head The ring heads can then create level rings, and so on Each ring head caches the summary of the services hosted in its ring A query for a service then travels up and down in the hierarchy of ... PROTOCOLS IN AD HOC NETWORKS SEBASTIEN HEUGUET (B E., Supelec, France) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING NATIONAL UNIVERSITY OF...

Ngày tải lên: 05/10/2015, 21:22

... 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 ... 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 ... 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...

Ngày tải lên: 25/03/2014, 12:07

... 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 ... 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, ... 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

... MAI includes both intracell and intercell interference resulting from mobiles within and outside the reference cell SINR is a function of the received powers, spreading gains and number of active ... Scientist, since 1996 He is also an adjunct Associate Professor in the Department of Electrical and Computer Engineering, National University of Singapore His research interests are in technologies ... at the Department of Electrical and Computer Engineering, University of North Carolina, Charlotte, NC, USA His research interests include medium access control, quality- of- service, cross-layer...

Ngày tải lên: 22/06/2014, 22:20

... 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 ... in IP Networks o IETF groups are working on proposals to provide better QOS control in IP networks, i.e., going beyond best effort to provide some assurance for QOS o Work in Progress includes ... 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...

Ngày tải lên: 06/04/2013, 11:05