Pilot overhead reduction in turbo coded OFDM systems employing an iterative channel estimation under low signal-to-noise ratio environments.
K. ChoiPublished in: IET Commun. (2010)
Keyphrases
- ofdm system
- channel estimation
- low signal to noise ratio
- frequency selective
- estimation algorithm
- recursive least squares
- multipath
- wireless communication
- bit error rate
- random noise
- fading channels
- communication systems
- orthogonal frequency division multiplexing
- computer simulation
- complex valued
- maximum likelihood
- computer systems