EC2050 MOBILE ADHOC NETWORKS NOTES PDF

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Anna University, Chennai Department of Electronics and Communication Engineering Eighth Semester EC Mobile Adhoc Networks. ADHOC NETWORKS PPT – Free download as Powerpoint Presentation .ppt /. pptx), PDF File .pdf), Text File Introduction ` History ` Mobile Ad-hoc Networks ` Infrastructure based Networks and Infrastructureless Networks. . Adhoc Question Bank EC VTU 8TH SEM CSE ADHOC NETWORKS NOTES 10CS EC / EC Mobile Adhoc Networks May / June Question Paper ECE 8th Semester Regulation | BE Electronics and Communication.

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It employs radio frequency technology for communication. This protocol invoke a route determination procedure only on demand. State any four reasons that lead to the quick power drain of nodes in mobile Ad hoc network. What is Byzantine attack? Scheduling of packet loss and rate of transmission 5. Mobile Ad Hoc Networks. What is free space propagation model?

Nodes do not require global time synchronization: Why are ad hoc networks needed? The distance covered is much smaller. The two types of protocol that are used to handle multiple access issues are i Contention based protocols ii Conflict free collision free protocols. The factors that involves in routing of a MANET are a Modeling of the topology b selection of routers c initiation of a route request Specific underlying characteristics that could serve as heuristics in finding the path efficiently.

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Job Search Job Search. Protocols with directional antennas For secure routing, all the nodes along the path must be secure nodes else ahoc is compromised. What are the challenging issues in ad hoc network maintenance? On-demand routing protocols – No periodic exchange of routing information. Differentiate proactive and reactive routing protocols.

Hybrid routing protocols – Uses both table driven routing and on-demand routing protocols. Remember me on this computer. Distinguish between shadowing and reflection of signal mobjle.

Anna University ECE 8th Semester Notes

Selection aadhoc optimal transmission power Prepared by A. Table driven routing protocols – Periodic exchange of routing information. Maximum Delay variance Jitter 4. Reservation request phase 2.

Objectives and methods of Control. In Adhoc networks, the routers are power constrained just as the nodes.

Improved channel reuse 4. This protocol attempt notfs evaluate continuously the routes within the network, so that when a packet needs to be forwarded, the router is already known and can be immediately used.

The presence of dynamic and adaptive routing protocols enables quick formation netaorks ad hoc networks and is suitable for emergency situations like natural disasters, spontaneous meetings or military conflicts.

Directional antenna MMAC is superior over MACAW, since a node transmits packets only through directional antennas, the interference caused to nodes in its direct transmitting range is reduced considerably. It offers point – to – multipoint communication. Mention any four qualities of service metrics that are used to evaluate the performance of the network. The time out period depends on RTT round trip time.

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This is called scattering. State the use of embedded protocol boosters in cross-layer optimization. Click here to sign up. In ad hoc wireless networks, nodes act both as regular terminals source or destination and also as routers for other nodes.

Interference Prepared by A. How contention based protocols are classified? The protocol optimizer interacts with the existing stack through the tuning layers. The power management is needed for 1. It represents signal attenuation as a positive quantity measured in db.

Anna University ECE 8th Semester Notes – Site Title

Successive reservation slots need not align with each other: List the transmission impediments of wireless channel. What are the factors influencing small nottes fading?

Ad-hoc network versus Mobile Ad-hoc network: The different types of fading are 1.