An efficient joint algorithm based on one training sequence for OFDM system
An efficient joint algorithm based on one training sequence for OFDM system
- Author(s): Hong Wu ; Yingxin Zhao ; Lijun Ge ; WeiYi Tan ; S.T. Song ; H.Y. Liu
- DOI: 10.1049/cp:20080772
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- Author(s): Hong Wu ; Yingxin Zhao ; Lijun Ge ; WeiYi Tan ; S.T. Song ; H.Y. Liu Source: China-Ireland International Conference on Information and Communications Technologies (CIICT 2008), 2008 p. 113 – 116
- Conference: China-Ireland International Conference on Information and Communications Technologies (CIICT 2008)
- DOI: 10.1049/cp:20080772
- ISBN: 978 0 86341 921 8
- Location: Beijing, China
- Conference date: 26-28 Sept. 2008
- Format: PDF
Based on the key technology of wireless communication systems-Orthogonal Frequency Division Multiplexing (OFDM), an efficient joint algorithm is proposed. We exploit a training sequence to estimate the integer frequency offset and channel parameters, and lower the peak-to-average power ratio by using the data of the training sequence as the coefficients of partial transmit sequence (PTS) algorithm. Results of simulations indicate that this method can simultaneously realize frequency synchronization, channel estimation and the low peak-to-average power ratio by using one training sequence. The OFDM system with the proposed algorithm has better BER performance and can be implemented with improved validity and reduced redundancy information.
Inspec keywords: wireless channels; OFDM modulation; telecommunication computing; channel estimation; error statistics; learning (artificial intelligence); frequency estimation; sequences
Subjects: Modulation and coding methods; Other topics in statistics; Other topics in statistics; Radio links and equipment; Communications computing; Knowledge engineering techniques; Communication channel equalisation and identification
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