Channel estimation for space-time orthogonal block codes

Space-time coding is an efficient technique to exploit transmitting and receiving diversities for wireless channels. One of the key components in the design of receivers for space-time codes is channel estimation. For the block codes based on orthogonal design proposed by Alamouti and Tarokh (see IEEE Trans. on Information Theory, vol45, no.5, p.1456-67, 1999), a new class of pilot assisted channel estimation schemes are presented where pilot symbols are superimposed on the data symbols. Placement strategies are examined for their efficiency in channel estimation and data transmission.

[1]  Luc Vandendorpe,et al.  Performance analysis of joint EM/SAGE estimation and multistage detection in UTRA-WCDMA uplink , 2000, 2000 IEEE International Conference on Communications. ICC 2000. Global Convergence Through Communications. Conference Record.

[2]  Georgios B. Giannakis,et al.  Optimal training and redundant precoding for block transmissions with application to wireless OFDM , 2002, IEEE Trans. Commun..

[3]  A.L. Swindlehurst.  Simultaneous channel estimation and decoding for diagonal space-time codes , 2000, Proceedings of the 2000 IEEE Sensor Array and Multichannel Signal Processing Workshop. SAM 2000 (Cat. No.00EX410).

[4]  Thomas L. Marzetta,et al.  BLAST training : Estimating Channel Characteristics for High-Capacity Space-Time Wireless , 1999 .

[5]  S. Kay.  Fundamentals of statistical signal processing: estimation theory , 1993 .

[6]  Georgios B. Giannakis,et al.  Superimposed training on redundant precoding for low-complexity recovery of block transmissions , 2001, ICC 2001. IEEE International Conference on Communications. Conference Record (Cat. No.01CH37240).

[7]  D. Slock,et al.  Cramer-Rao bounds for semi-blind, blind and training sequence based channel estimation , 1997, First IEEE Signal Processing Workshop on Signal Processing Advances in Wireless Communications.

[8]  Anna Scaglione,et al.  Transmit antennae space-time block coding for generalized OFDM in the presence of unknown multipath , 2001, IEEE J. Sel. Areas Commun..

[9]  Lang Tong,et al.  Detection with embedded known symbols: optimal symbol placement and equalization , 2000, 2000 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings (Cat. No.00CH37100).

[10]  Emre Telatar,et al.  Capacity of Multi-antenna Gaussian Channels , 1999, Eur. Trans. Telecommun..

[11]  Iven M. Y. Mareels,et al.  Affine precoders for reliable communications , 2000, 2000 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings (Cat. No.00CH37100).

[12]  Lang Tong,et al.  Optimal design and placement of pilot symbols for channel estimation , 2001, 2001 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings (Cat. No.01CH37221).

[13]  Lang Tong,et al.  Optimal Embedding of Known Symbols , 2000 .

[14]  Fredrik Tufvesson,et al.  Channel estimation with superimposed pilot sequence , 1999, Seamless Interconnection for Universal Services. Global Telecommunications Conference. GLOBECOM'99. (Cat. No.99CH37042).

[15]  A. Robert Calderbank,et al.  Space-Time block codes from orthogonal designs , 1999, IEEE Trans. Inf. Theory.

[16]  K. Feher,et al.  A spread-spectrum based synchronization technique for digital broadcast systems , 1990 .

[17]  Thomas L. Marzetta,et al.  Capacity of a Mobile Multiple-Antenna Communication Link in Rayleigh Flat Fading , 1999, IEEE Trans. Inf. Theory.

[18]  Costas N. Georghiades,et al.  Complementary sequences for ISI channel estimation , 2001, IEEE Trans. Inf. Theory.

[19]  G.B. Giannakis,et al.  Subspace-based estimation of frequency-selective channels for space-time block precoded transmissions , 2000, Conference Record of the Thirty-Fourth Asilomar Conference on Signals, Systems and Computers (Cat. No.00CH37154).

[20]  K. Feher,et al.  A spread spectrum based system technique for synchronization of digital mobile communication systems , 1989, IEEE 39th Vehicular Technology Conference.

[21]  Babak Hassibi,et al.  How much training is needed in multiple-antenna wireless links? , 2003, IEEE Trans. Inf. Theory.

[22]  A. Robert Calderbank,et al.  A space-time coding modem for high-data-rate wireless communications , 1998, IEEE J. Sel. Areas Commun..

[23]  Lang Tong,et al.  Optimal Placement of Known Symbols for Nonergodic Broadcast Channels , 2002 .