Title :
A novel blind T/sub RMS/ estimation method for wireless OFDM systems
Author :
Doukas, Athanasios ; Kalivas, Grigorios
Author_Institution :
Dept. of Electr. & Comput. Eng., Patras Univ.
Abstract :
In this paper we propose a novel blind TRMS estimator for wireless orthogonal frequency division multiplexed (OFDM) systems, that can be used for channel estimation. The estimator is based on the frequency correlation between subcarriers of one OFDM symbol and an expression between frequency correlation and TRMS is derived assuming an exponentially decaying power delay profile (PDP). The estimation performance, examined in environments with different PDPs, introducing transceiver mobility and channel sparsity, is high from low SNR values with small variance
Keywords :
OFDM modulation; channel estimation; mobile radio; transceivers; blind TRMS estimator; channel estimation; channel sparsity; frequency correlation; orthogonal frequency division multiplexing; power delay profile; transceiver mobility; wireless OFDM systems; Baseband; Bit rate; Delay estimation; Frequency conversion; Frequency estimation; Frequency response; OFDM; Rayleigh channels; Transceivers; Transmission line measurements; OFDM; Rayleigh channel; T; blind estimator;
Conference_Titel :
Advanced Communication Technology, 2006. ICACT 2006. The 8th International Conference
Conference_Location :
Phoenix Park
Print_ISBN :
89-5519-129-4
DOI :
10.1109/ICACT.2006.205990
