EC2050 MOBILE ADHOC NETWORKS NOTES PDF

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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What are hybrid protocols? Some of the commonly used outdoor propagation models are: Minimize Energy Consumption per Packet 2.

EC Mobile Adhoc Network April May Important Questions

Reservation acknowledge phase 5. What are the classifications of MAC protocol?

List the notws and disadvantages of DSDV routing protocols. It occurs when the wavelength of medium is small when compared to wavelength of travelled wave. How contention based protocols are classified?

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They are Prepared by A. The standard covers only MAC and the physical layers. List the major goals when selecting a routing protocol. The different types of fading are 1.

Portability, weight, size of the hand held devices 4. Long —distance path loss model ii. Considering the MSS of 1KB, calculate the size axhoc the congestion window for which the next three transmissions will be successful. Successive reservation slots need not align with each other: 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.

Ad Hoc Network Introduction. Maximum Delay variance Jitter 4. Hence in order to provide secure communication, secure routing protocols are needed. Nodes are mobile most of the time 3. Define security routing Security routing is defined as routing the data packets from the source to the destination in a secured manner. Temporal stability is determined based on number of beacon signal that node receives from its neighbors.

How is secure routing done on wireless channels? Emergency search and rescue operations d. AMRIS may not exhibit high packet delivery ratio even when all nodes restrict their nwtworks to a small region. Increase in overall capacity of the channel Improved channel reuse 4. This is called scattering.

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Minimize Variance in Node Power Levels 4. Selection of optimal transmission power Prepared by A. The routers are free to move randomly and organize themselves arbitrarily; thus, the network’s wireless topology may change rapidly and unpredictably. Fading refers to the fluctuations in signal strength, when received at the receiver. 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.

Protocols with directional antennas Ericession multiple break point model iii. Wireless sensor and mesh networks Contention based protocols with reservation mechanisms 3. The five phases of FPRP are 1.