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

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

2. Discuss the diverse applications of MANETs in various domains, such as disaster relief, military communications, and vehicular networks.

3. Analyze the unique challenges faced by MANETs due to dynamic topology, limited resources, and energy constraints.

4. Explain the different criteria used for classifying MANET routing algorithms, and provide examples of each category.

5. Compare and contrast the functionalities and limitations of proactive, reactive, and hybrid routing protocols in MANETs.

Unit - II: Data Transmission

1. Explain the "Broadcast Storm Problem" in MANETs and discuss various rebroadcasting schemes to mitigate it.

2. Analyze the effectiveness of probability-based, area-based, and neighbor knowledge-based methods for preventing broadcast storms.

3. Compare and contrast tree-based and mesh-based approaches for multicasting in MANETs, highlighting their advantages and disadvantages.

4. Discuss the challenges of adapting conventional TCP protocols to the dynamic nature of MANETs, and explain proposed solutions.

5. Analyze the role of multipoint relaying and anchor-based hop-by-hop protocols in efficient data transmission over MANETs.

Unit - III: Geocasting

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

2. Explain the functionalities of the GeoTORA and MGR protocols and their suitability for different geocasting scenarios.

3. Discuss the importance of location services in ad-hoc networks and analyze the role of protocols like DREAM and Quorum-based algorithms.

4. Evaluate the effectiveness of forwarding strategies like greedy packet flooding and restricted directional flooding in minimizing data dissemination latency.

5. Analyze the trade-offs between accuracy, energy consumption, and complexity when choosing a geocasting protocol for specific applications.

Unit - IV: Basics of Wireless Sensors and Lower Layer Issues

1. Describe the diverse applications of wireless sensor networks (WSNs) in environmental monitoring, healthcare, and industrial automation.

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

3. Explain the layered architecture of sensor networks and the specific functionalities of each layer (physical, MAC, link, routing).

4. Analyze the challenges and design considerations for the physical layer, MAC layer, and link layer in WSNs due to resource constraints and harsh operating environments.

5. Discuss the role of energy efficiency in sensor networks and explain how it can be achieved at different layers of the protocol stack.

Unit - V: Upper Layer Issues of WSNs

1. Explain the unique challenges faced by the transport layer in WSNs due to limited bandwidth and unreliable links.

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

3. Analyze the importance of adapting routing protocols and data management techniques to the dynamic nature of WSNs with mobile elements.

4. Explain the potential role of sensor networks in collaborative robotics and discuss the challenges of integrating mobile robots with stationary sensor nodes.

5. Describe real-world examples of applications that combine mobile robots and sensor networks to achieve complex tasks in various domains.