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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The time out period depends on RTT round trip time. They are Prepared by A. It offers point – to – multipoint communication. Why does TCP not work well in ad hoc network?

This leads to increased delay and increased probability of packet losses even when all nodes restrict their mobility to a small region. What is meant dc2050 path loss?

Difficulties in replacing batteries 5. Lower to upper layers: Military applications and battlefields b. Associativity-based routing ABR protocol selects route based on the stability of the moble link. Contention based protocols with scheduling mechanisms 4. List the features of wireless LAN.

EC Mobile Adhoc Network April May Important Questions

Ad hoc networks are widely used in a. Hybrid Protocols attempt to take advantage of best reactive and proactive schemes. What is Byzantine attack? The major goals when selecting a routing protocol are a Provide the maximum possible reliability by selecting alternative routes if a node connectivity fails.

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Selection of optimal transmission power Prepared by A. Foliage, lamp post, sharp edges.

It makes use of frequency modulation to generate radio waves in the ISM band. Increase in system throughput 3.

Network layer solution for QoS is used for 1. Hidden terminals are nodes that are hidden or not reachable from the sender of a data transmission session, but are reachable to the receiver of the session. What is the typical value of time out period in traditional TCP? The difference between the effective transmitted power and the received power is called path loss.

Mobile Ad Hoc Networks A “mobile ad hoc network” MANET is an autonomous system of mobile routers and associated hosts connected by wireless links –the union of which form an arbitrary graph.

Increase of mobile applications, Changes to the network topology, Need of extreme network flexibility. Disadvantages a Updates due to broken links lead to heavy control overhead during mobility.

List the hybrid protocols. Secure routing is done on wireless channels by having secure routing protocols which support 1. Nodes do not require global time synchronization: Fundamentals of Data Structure. How does energy aware routing work?

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The presence of dynamic and adaptive routing protocols enables quick formation of netqorks hoc networks and is suitable for emergency situations like natural disasters, spontaneous meetings or military conflicts. Small scale fading is used to describe the rapid fluctuation of the amplitude, phase or multipath delays of a radio signal over a short period of time or travel distance.

Anna University ECE 8th Semester Notes

Minimize Variance in Node Power Levels 4. MANET is defined as an autonomous system of nodes or Mobile Stations also serving as routers connected by wireless links, the union that forms a communication networks, modeled in the form of an arbitrarily communication graph. The services provided by IEEE Propagation model which is used to predict received signal strength, when the line-of-sight path is unobstructed between transmitter and receiver is called free space propagation model.

What are not supported by the traditional TCP for handling Adhoc network?