Sensor Node Architecture

What are the main components of a wireless sensor node architecture?

• The main components of a wireless sensor node architecture are sensor, processor, transceiver, and power supply.

• Camera, microphone, speaker, and GPS

• Keyboard, mouse, monitor, and printer

• Fan, light bulb, switch, and socket

Explain the role of the sensor node in a wireless sensor node architecture.

• Collecting data and transmitting it to the base station

• Providing power to the entire network

• Acting as a relay for other sensor nodes

• Charging the base station

Discuss the communication protocols used in wireless sensor node architecture.

• NFC, RFID, GPS, 3G

• Infrared, Ultrasonic, RFID, GPS

• Ethernet, USB, HDMI, VGA

• Zigbee, Bluetooth, Wi-Fi, LoRa

What are the different types of sensors used in wireless sensor node architecture?

• Pressure, sound, vibration, and color sensors

• Size, shape, texture, and taste sensors

• Temperature, humidity, light, motion, and gas sensors

• Speed, weight, taste, and smell sensors

Explain the power management techniques used in wireless sensor node architecture.

• Duty cycling, low-power listening, and transmission power control

• High-power listening, data transmission, and duty cycling

• Continuous data transmission, high-power listening, and low-power duty cycling

• Frequency modulation, low-power transmission, and high-power listening

Discuss the data processing and storage in wireless sensor node architecture.

• Collecting data from sensors, processing it locally, and storing it in memory or transmitting it to a central server.

• Using wired connections for data transmission

• Storing data in a physical server located at the sensor node

• Sending data directly to the cloud without processing

What are the challenges faced in designing a wireless sensor node architecture?

• Interference, limited power supply, data security, and network scalability

• Limited power supply, no interference, and network scalability

• No interference, unlimited power supply, and data security

• Unlimited power supply, data security, and network scalability

Explain the role of the base station in wireless sensor node architecture.

• It acts as a storage unit for the data collected by the sensor nodes

• It is responsible for processing the data collected by the sensor nodes

• It provides power to the sensor nodes

• It acts as a central hub for collecting and transmitting data from sensor nodes.

Discuss the security considerations in wireless sensor node architecture.

• Using unsecured communication channels

• Security considerations in wireless sensor node architecture include encryption, authentication, secure communication, and secure data storage.

• Not implementing any form of authentication

• Storing data in plain text format

What are the potential applications of wireless sensor node architecture?

• Fashion design

• Monitoring environmental conditions, industrial automation, healthcare, smart agriculture, and smart cities.

• Cooking recipes

• Space exploration