multicast routing protocols for mobile adhoc networks ppt

Ngày tải lên: 21/06/2014, 22:20

... IEEE SENSOR AND ACTUATOR NETWORKS Event-Based Motion Control for Mobile- Sensor Networks I n many sensor networks, considerably more units are available than necessary for simple coverage of the ... distributed algorithms for mobile- sensor networks to physically react to changes or events in their environment or in the network itself (see the “Related Work” sidebar for other approaches to ... 2003 PERVASIVE computing 35 P revious work in sensor networks has inspired this work. We’ve built on our own work on routing in ad hoc networks 1 and reac- tive sensor networks. 2 We’ve also built on important...

Ngày tải lên: 30/03/2014, 16:20

Ngày tải lên: 22/06/2014, 22:20

Ngày tải lên: 02/06/2015, 16:33

... Models for the Physical Layer and for User Traffic Generation 221 5.1 How to Account for the Physical Layer? 221 5.1.1 What to Account For and How? 221 5.1.2 Using Approximations for Error Performance ... Multiple Access Protocols for Mobile Communications GPRS, UMTS and Beyond Alex Brand Swisscom Mobile, Switzerland Hamid Aghvami King’s College London, UK SYMBOLS A[t] Slots available for contention ... Control MAHO Mobile Assisted Handover MA Mobile Allocation (of radio frequency channels) in GSM MAI Multiple Access Interference MAIO Mobile Allocation Index Offset (for frequency hopping in GSM) MBS Mobile...

Ngày tải lên: 02/03/2013, 16:59

... as the platform of the routing protocols, and the history of the Internet that forms the context within which the routing policies operate. 2 Part One become, with Synoptics, Bay Networks) . ... well as in formal mathematical notation. One final note is needed regarding the scope of the chapters on the routing protocols and the example networks used to illustrate the main routing proto- col ... Lists 540 Prefix Lists 541 Access Lists 542 A Few Routing Policy Examples 543 Juniper Networks Routing Policy 545 Structure of a Juniper Networks Routing Policy 549 Match Conditions 551 Actions...

Ngày tải lên: 06/11/2013, 00:15

... available only in lengths “safe” for Ethernet systems. All TrueNet cords are 100% performance tested and factory terminated to the proper lengths to ensure optimum performance. The next important ... shape of the square wave. Ethernet Signal Preservation In Factory-Terminated Patch Cords for Local Area Networks. OONNEE KRONE: 800-775-KRONE www.kroneamericas.com www.truenet-system.com. No part ... TrueNet system is to eliminate the root causes of poor throughput in structured cabling systems. Fortunately, the benefits of patch cords that do not have error-causing lengths is demonstrable...

Ngày tải lên: 19/01/2014, 05:20

... available only in lengths “safe” for Ethernet systems. All TrueNet cords are 100% performance tested and factory terminated to the proper lengths to ensure optimum performance. ... form of excessive return loss on the resonance producing lengths. Consequently, the decision was made with the launch of the TrueNet patch cord line to only include lengths which are “safe” for ... generation under normal use. All TrueNet cords are 100% performance tested and factory terminated to the proper lengths to ensure optimum performance. KRONE: 800-775-KRONE www.kroneamericas.com www.truenet-system.com. No...

Ngày tải lên: 25/01/2014, 06:24

... program was written in FORTH and was never altered; should anything ever go wrong with the floppy, it will take a computer historian to recover the code Part I Sensors for Mobile Robot Positioning ... developed methods for reducing odometry errors (or the feasibility of doing so) for some of these vehicle designs. 1.3.1 Differential Drive Figure 1.6 shows a typical differential drive mobile robot, ... suitable for mobile robot applications. In this section we introduce two such systems. 2.3.6.1 The Andrew “Autogyro" Andrew Corp. [ANDREW] offers the low-cost Autogyro, shown in Figure 2.11, for...

Ngày tải lên: 13/02/2014, 09:20

... change in the topology.  Only the information regarding the affected link.  Unlike some distance vector routing protocols (RIP), link-state routing protocols do not send periodic updates. OSPF ... in CCNP. Link-State Routing  Link-State Routing Protocols  Introduction to the SPF Algorithm  Link-State Routing Process  Step 1: Learning About Directly Connected Networks  Step 2: Sending ... directly connected networks. Interface configured with an IP address/subnet mask. Directly connected networks are now part of the routing table Regardless of the routing protocols used. ...

Ngày tải lên: 23/02/2014, 09:20

... Examining the Routing Table 44 Verifying OSPF R1# show ip protocols Routing Protocol is “ospf 1” Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces ... Maximum path: 4 Routing for Networks: 172.16.1.16 0.0.0.15 area 0 192.168.10.0 0.0.0.3 area 0 192.168.10.4 0.0.0.3 area 0 Reference bandwidth unit is 100 mbps Routing Information Sources: ... troubleshooting.  Routers must first form an adjacency before link-state information can be exchanged.  Then routes will be added to the routing table  Note: On multiaccess networks such as Ethernet,...

Ngày tải lên: 09/03/2014, 13:20

... receivesreceives 33 Routing Table Maintenance  Routing protocols must maintain the routing tables so that they have the most current routing information.  How?  Depends on:  Type of routing protocol ... Exchange of Routing Information  Routing Table Maintenance  Periodic Updates  Bounded Updates  Triggered Updates  Random Jitter  Routing Loops  Defining a Routing Loop  Implications of Routing ... change; therefore, the routing information remains the same.  Receives an update from R3 about network 10.4.0.0 on Serial 0/0/1. There is no change; therefore, the routing information remains...

Ngày tải lên: 09/03/2014, 13:20

... Table R1’s Routing Table R3’s Routing Table 23 Classful Routing Protocols  Classful routing protocols do not send subnet mask information in routing updates.  The first routing protocols, ... converged; therefore, most networks require short convergence times. R2’s Routing Table R1’s Routing Table R3’s Routing Table Dynamic Routing Protocols and Convergence 35  All the routing protocols ... router shares routing messages and routing information with other routers that are using the same routing protocol. 3. Routers exchange routing information to learn about remote networks. 4....

Ngày tải lên: 18/03/2014, 14:20

... algorithm for wireless sensor networks, ” International Journal of Wireless & Mobile Networks (IJWMN), vol.2, no.3, August 2010. International Journal of Wireless & Mobile Networks (IJWMN) ... algorithm for highly uniform cluster formation,” in European Workshop on Wireless SensorNetworks (EWSN 2004), Jan. 2004. [30] S. Soro and W. B. Heinzelman, “Cluster head election techniques for coverage ... & Mobile Networks (IJWMN) Vol. 3, No. 6, December 2011 40 events. The results show thatFED performs better in all the sensing ranges. For instance, FED detects 57% of composite events for...

Ngày tải lên: 30/03/2014, 16:20

... Agrawal, A multi-rate based router placement scheme for wireless mesh networks, in Proceedings of the IEEE International Conference on Mobile Adhoc and Sensor Systems, 100–109 (2009) 18. J Yuan, ... framework for multihop multicast in wireless mesh networks. IEEE J Sel Areas Commun. 24(11), 2092–2103 (2006) 19. S Kim, X Wang, M Madihian, Cross-layer design of wireless multihop backhaul networks ... tree-based minimal cost routing scheme and weight-based link assignment for user coverage, we are able to plan the design of WMNs efficiently. Extensive simulations have been performed to examine the performance...

Ngày tải lên: 20/06/2014, 22:20

... 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 protocols has ... M Sidi, Multiple Access Protocols: Performance and Analysis, (Springer- Verlag, 1990) 20. L Hanzo-II, R Tafazolli, A Survey of QoS Routing Solutions for Mobile Ad Hoc Networks. IEEE Communications ... Access Control (MAC) protocols in ad hoc networks by considering these measures in this paper. For this, we derive aver age access delays and throughputs in closed- form for different multi-channel...

Ngày tải lên: 20/06/2014, 22:20

... of on-demand routing protocol is most suitable for WSNHA because, unlike proactive routing protocols, it does not maintain a real-time routing table for all nodes. On-demand routing protocols have ... delivery. 2.2. Comparisons of Routing Protocols for WSNs. In general, WSN routing protocols can be classified as flat-based rout- ing, hierarchical-based routing, or location-based routing, depending on ... cluster formation algorithm. Location-based routing protocols are less complicated and easier to implement than cluster-based routing protocols and more energy efficient than flat-based routing protocols due...

Ngày tải lên: 21/06/2014, 05:20

... adaptive routing for delay-tolerant mobile networks, ” IEEE Transac- tions on Mobile Computing, vol. 8, no. 2, pp. 246–260, 2009. [12] P. Hui, J. Crowcroft, and E. Yoneki, “BUBBLE rap: social- based forwarding ... cost. The performance of our routing scheme, sociable rout- ing, is compared against that of other known protocols. (i) Epidemic routing. This naive strategy [8]belongstoa category of routing protocols ... the destination but, most of the time, its cost is unbearable for real networks. We use epidemic routing for a lower bound delay performance. (ii) MobySpace routing. This scheme, introduced in [10], considers...

Ngày tải lên: 21/06/2014, 11:20

Ngày tải lên: 21/06/2014, 17:20

Ngày tải lên: 21/06/2014, 17:20