Skip to main content
Log in

Decision Feedback Channel and Symbol Estimation Methods for CDMA Systems in Indoor Wireless Communications

  • Published:
Wireless Personal Communications Aims and scope Submit manuscript

Abstract

A dispersive finite impulse response (FIR) channel model is often considered for indoor wireless channels. For the FIR channel model in this paper, we consider the joint estimation of channel parameters and data symbols in indoor code division multiple access (CDMA) systems. The least squares formulation is constructed for the joint estimation incorporating the decision feedback technique. This formulation is suitable for indoor CDMA systems that usually have a small processing gain. The formulation is further modified to provide a recursive approach to estimate the channel vector.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. M. Abdulrahman, A.U.H. Sheikh and D.D. Falconer, “Decision Feedback Equalization for CDMA in Indoor Wireless Communications”, IEEE Jour. Selec. Areas in Comm., Vol. SAC-12, pp. 698–706, 1994.

    Google Scholar 

  2. L. Dossi, G. Tartara and F. Tallone, “Statistical Analysis of Measured Impulse Response Functions of 2.0 GHz Indoor Radio Channels”, IEEE Jour. Selec. Areas in Comm., Vol. SAC-14, pp. 405–410, 1996.

    Google Scholar 

  3. V.K. Garg and J.E. Wilkes, Wireless and Personal Communications Systems, Prentice Hall, Inc.: Upper Saddle River, NJ, Prentice Hall, 1996.

    Google Scholar 

  4. R.D. Gitlin, J.F. Hayes and S.B. Weinstein, Data Communications Principles, Plenum Press: New York, NY, 1992.

    Google Scholar 

  5. S. Haykin, Adaptive Filtering Theory 2/e, Prentice Hall, Inc.: Englewood Cliffs, NJ, 1991.

    Google Scholar 

  6. U. Madhow and M.L. Honig, “MMSE Interference Suppression for Direct-Sequence Spread-Spectrum CDMA”, IEEE Tr. Comm., Vol. COM-42, pp. 3178–3188, 1994.

    Google Scholar 

  7. F. Ling, “Pilot Assisted Coherent DS-CDMA Reverse-Link Communications with Optimal Robust Channel Estimation”, in Proc. ICASSP'97, Munich, Germany, April 1997, pp. 263–266.

  8. H. Liu and G. Xu, “Blind Equalization for CDMA Systems with Aperiodic Spreading Sequences”, in Proc. IEEE ICASSP-96, Atlanta, Georgia, May 1996, pp. 2658–2661.

  9. G.J.R. Povey, P.M. Grant and R.D. Pringle, “A Decision-Directed Spread-Spectrum RAKE Receiver for Fast-Fading Mobile Channels”, IEEE Vehic. Tech., Vol. VT-45, pp. 491–502, 1996.

    Google Scholar 

  10. J.G. Proakis, Digital Communications 3/e, McGraw-Hill, Inc.: New York, NY, 1995.

    Google Scholar 

  11. A.A.M. Saleh and R.A. Valenzuelam, “A Statistical Model for Indoor Multipath Propagation”, IEEE Jour. Selec. Areas in Comm., Vol. SAC-5, pp. 128–137, 1987.

    Google Scholar 

  12. J.S. DaSilva and B.E. Fernandes, “The European Research Program for Advanced Mobile Systems”, IEEE Personal Comm., Vol. 2, pp. 14–19, 1995.

    Google Scholar 

  13. J.R. Treichler, I. Fijalkow and C.R. Johnson, “Fractionally Spaced Equalizers: How Long Should They Really Be?”, IEEE Signal Proc. Mag., Vol. 13, pp. 65–81, 1996.

    Google Scholar 

  14. A.J. Viterbi, A.M. Viterbi and E. Zehavi, “Performance of Power-Controlled Wideband Terrestrial Digital Communication”, IEEE Tr. Comm., Vol. COM-41, pp. 559–569, 1993.

    Google Scholar 

  15. A. Viterbi, CDMA, Addison-Wesley Pub.: Reading, MA, 1995.

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

Choi, J. Decision Feedback Channel and Symbol Estimation Methods for CDMA Systems in Indoor Wireless Communications. Wireless Personal Communications 12, 187–208 (2000). https://doi.org/10.1023/A:1008846415057

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1023/A:1008846415057

Navigation