Smart device localization

Which of the following is NOT a technique used for smart device localization?

• GPS
  
  

• Wi-Fi Positioning System
  
  

• Edge Computing

• Bluetooth Low Energy (BLE)
  
  

What is the primary drawback of GPS for indoor localization?

• High accuracy

• High power consumption

• Works well in all environments
  
  

• Low deployment cost

Which localization technique uses signal strength variations to determine location?

• Time of Arrival (ToA)

• Received Signal Strength Indicator (RSSI)

• Angle of Arrival (AoA)

• Fingerprinting
  
  

In trilateration-based localization, the device’s position is determined by measuring the:

• Angle of incoming signals

• Distance from multiple reference points
  
  

• Time taken for signals to reflect

• Number of neighboring devices

Which of the following is commonly used for localization in smart homes?

• GPS

• Infrared sensors
  
  

• RFID
  
  

• Cellular network triangulation

What is the primary advantage of using Wi-Fi for localization?

• Works only outdoors

• Requires special hardware

• Uses existing infrastructure

• Is not affected by interference

What does UWB (Ultra-Wideband) offer for smart device localization?

• High latency

• High accuracy

• Requires satellite connectivity

• Works only in urban areas

Which method is used for localization based on mapping radio signals in a known area?

• Fingerprinting
  
  

• Trilateration

• Multilateration

• Dead Reckoning

Which sensor is commonly used in Dead Reckoning-based localization?

• Accelerometer
  
  

• GPS
  
  

• Bluetooth
  
  

• Wi-Fi
  
  

Which of the following is a challenge in smart device localization?

• Signal interference

• Infinite battery life

• Standardized accuracy in all environments

• Low device mobility