Space-Time-Frequency Turbo Code over Time-Varying and Frequency-Selective Fading Channel

In this paper, we propose and investigate space-time-frequency turbo coded OFDM transmissions through time-varying and frequency-selective fading channel. The proposed turbo code is a serial concatenated convolutional code which consists of space-frequency and time-frequency domain codes. The aim of the proposed turbo code is to obtain both diversity and coding gains over space-time-frequency domain. Using computer simulations and EXtrinsic Information Transfer (EXIT) charts, we investigate the optimum structure of inner and outer codes. Simulations demonstrate that the proposed system leads to significantly enhanced performance. Moreover, we analyze the computational complexity.

[1]  Georgios B. Giannakis,et al.  Joint coding-precoding with low-complexity turbo-decoding , 2004, IEEE Transactions on Wireless Communications.

[2]  A. Robert Calderbank,et al.  Space-Time Codes for High Data Rate Wireless Communications : Performance criterion and Code Construction , 1998, IEEE Trans. Inf. Theory.

[3]  G.B. Giannakis,et al.  Space-time coding with maximum diversity gains over frequency-selective fading channels , 2001, IEEE Signal Processing Letters.

[4]  Stephan ten Brink,et al.  Convergence behavior of iteratively decoded parallel concatenated codes , 2001, IEEE Trans. Commun..

[5]  Sergio Benedetto,et al.  Iterative decoding of serially concatenated convolutional codes , 1996 .

[6]  Fred Daneshgaran,et al.  Interleaver design for serially concatenated convolutional codes: theory and application , 2004, IEEE Transactions on Information Theory.

[7]  Petre Stoica,et al.  Generalized linear precoder and decoder design for MIMO channels using the weighted MMSE criterion , 2001, IEEE Trans. Commun..

[8]  Toshihiko Nishimura,et al.  High data-rate transmission with eigenbeam-space division multiplexing (E-SDM) in a MIMO channel , 2002, Proceedings IEEE 56th Vehicular Technology Conference.

[9]  Stephan ten Brink,et al.  Design of Serially Concatenated Codes based on Iterative Decoding Convergence , 2000 .

[10]  Takaya Yamazato,et al.  Joint Optimization of Transmitter/Receiver with Multiple Transmit/Receive Antennas in Band-Limited Channels , 2000 .

[11]  Djordje Tujkovic,et al.  Recursive space-time trellis codes for turbo coded modulation , 2000, Globecom '00 - IEEE. Global Telecommunications Conference. Conference Record (Cat. No.00CH37137).

[12]  Georgios B. Giannakis,et al.  Space-time-frequency coded OFDM over frequency-selective fading channels , 2002, IEEE Trans. Signal Process..

[13]  Gerard J. Foschini,et al.  Layered space-time architecture for wireless communication in a fading environment when using multi-element antennas , 1996, Bell Labs Technical Journal.

[14]  Dariush Divsalar,et al.  Serial Concatenation of Interleaved Codes: Performance Analysis, Design, and Iterative Decoding , 1997, IEEE Trans. Inf. Theory.

[15]  John Cocke,et al.  Optimal decoding of linear codes for minimizing symbol error rate (Corresp.) , 1974, IEEE Trans. Inf. Theory.

[16]  Helmut Bölcskei,et al.  Space-frequency coded broadband OFDM systems , 2000, 2000 IEEE Wireless Communications and Networking Conference. Conference Record (Cat. No.00TH8540).