AD-HOC & SENSOR NETWORKS (Professional Elective - IV) IV Year B.Tech. CSE I -Sem JNTUH R-18

1. Compare and contrast the key characteristics of Mobile Ad-hoc Networks (MANETs) with traditional wired networks.

2. Discuss real-world applications of MANETs in various domains like disaster response, military communications, and vehicular networks.

3. Analyze the major challenges faced by MANETs, including limited bandwidth, node mobility, and hidden terminal problems.

4. Differentiate between different categories of MANET routing algorithms based on their proactive, reactive, or hybrid approaches.

5. Explain the principles behind popular proactive routing protocols like DSDV and reactive protocols like DSR and AODV.

Unit 2: Data Transmission:

1. Describe the "Broadcast Storm" problem in MANETs and explain different rebroadcasting schemes to mitigate it.

2. Compare and contrast simple flooding, probability-based, and area-based methods for rebroadcasting data packets in MANETs.

3. Explain the concept of multicasting in ad-hoc networks and discuss different tree-based and mesh-based multicasting protocols.

4. Analyze the challenges of implementing TCP in MANETs and discuss potential solutions like congestion control mechanisms and mobility adaptation.

5. Explain the role of Multipoint Relaying and Alternative Hybrid Backoff Protocol (AHBP) in efficient data transmission within MANETs.

Unit 3: Geocasting:

1. Differentiate between data-transmission oriented and route creation oriented approaches for geocasting in sensor networks.

2. Describe the GeoTORA and MGR protocols for geocasting and explain their working principles.

3. Discuss the importance of location services in MANETs and analyze the role of protocols like DREAM and Quorum-based solutions for localization.

Unit 4: Basics of Wireless Sensors and Lower Layer Issues:

1. Explore the diverse applications of Wireless Sensor Networks (WSNs) in environmental monitoring, healthcare, and industrial automation.

2. Classify sensor networks based on their deployment, network topology, and communication range.

3. Analyze the architecture of a typical WSN sensor node, including physical layer, MAC layer, link layer, and routing layer.

4. Discuss the challenges and design considerations for each layer of the WSN protocol stack.

5. Explain the role of Medium Access Control (MAC) protocols in WSNs and compare different techniques like Carrier Sense Multiple Access (CSMA) and Time Division Multiple Access (TDMA).

Unit 5: Upper Layer Issues of WSNs:

1. Analyze the unique challenges faced by the transport layer in WSNs due to limited resources and unreliable communication.

2. Discuss the role of high-level application layer support in sensor networks for data aggregation, event detection, and tasking.

3. Explain how sensor networks can adapt to their inherently dynamic nature through techniques like data fusion, energy-efficient routing, and dynamic clustering.

4. Explore the integration of sensor networks with mobile robots and explain the potential benefits for collaborative data collection and task execution.

5. Analyze the security vulnerabilities in WSNs and discuss potential countermeasures for preventing eavesdropping, data tampering, and denial-of-service attacks.