Precise, Low-Cost, and Large-Scale Indoor Positioning System Based on Audio Dual-Chirp Signals.
Zuoya LiuRuizhi ChenFeng YeLixiong HuangGuangyi GuoShihao XuDanni ChenLiang ChenPublished in: IEEE Trans. Veh. Technol. (2023)
Keyphrases
- low cost
- signal processing
- fractional fourier transform
- fourier transform
- audio signals
- indoor positioning
- instantaneous frequency
- wifi
- frequency domain
- acoustic signals
- cepstral features
- small scale
- audio signal
- ultra wide band
- multimedia
- independent component analysis
- audio visual
- log polar
- indoor environments
- real world
- visual data
- highly efficient
- low power
- visual information
- image sequences
- single chip
- speaker identification
- audio video
- image processing