Particle filter with ant colony optimization for frequency offset estimation in OFDM systems with unknown noise distribution.
Yihua YuXuanyuan ZhengPublished in: Signal Process. (2011)
Keyphrases
- ant colony optimization
- particle filter
- carrier frequency offset
- ofdm system
- estimation algorithm
- metaheuristic
- state estimation
- visual tracking
- object tracking
- particle filtering
- aco algorithm
- low frequency
- kalman filter
- particle swarm optimization
- appearance model
- motion model
- aco algorithms
- state space
- signal to noise ratio
- mean shift
- artificial ants
- genetic algorithm
- wireless communication
- high frequency
- optimization problems
- parameter estimation
- multipath
- density function
- noise level
- fading channels
- simulated annealing
- machine learning