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GMP‐based channel estimation for single‐carrier transmissions over doubly selective channels

Journal Article


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Abstract


  • We present a graph-based channel estimation approach

    for SC-IFDE (single-carrier transmissions with iterative

    frequency domain equalization) without CP (cyclic prefix) over

    doubly selective channels using the recently developed Gaussian

    message passing (GMP) technique. A direct application of the

    GMP updating rules in the FFG (Forney-style factor graph) of

    the SC-IFDE system model incurs high complexity. Approximate

    updating rules are therefore developed to overcome this problem.

    The proposed GMP-based channel estimation approach has

    similar complexity as the low-complexity Kalman-filtering based

    frequency domain channel estimation approach in the literature,

    but significantly outperforms the latter due to its enhanced capability

    in capturing the time correlation information of doubly

    selective channels through bidirectional processing.

UOW Authors


  •   Guo, Qinghua
  •   Huang, Defeng (David) (external author)

Publication Date


  • 2010

Citation


  • Q. Guo & D. Huang, "GMP‐based channel estimation for single‐carrier transmissions over doubly selective channels," IEEE Signal Processing Letters, vol. 17, (1) pp. 8-11, 2010.

Scopus Eid


  • 2-s2.0-77955031827

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=2004&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/995

Has Global Citation Frequency


Number Of Pages


  • 3

Start Page


  • 8

End Page


  • 11

Volume


  • 17

Issue


  • 1

Place Of Publication


  • United States

Abstract


  • We present a graph-based channel estimation approach

    for SC-IFDE (single-carrier transmissions with iterative

    frequency domain equalization) without CP (cyclic prefix) over

    doubly selective channels using the recently developed Gaussian

    message passing (GMP) technique. A direct application of the

    GMP updating rules in the FFG (Forney-style factor graph) of

    the SC-IFDE system model incurs high complexity. Approximate

    updating rules are therefore developed to overcome this problem.

    The proposed GMP-based channel estimation approach has

    similar complexity as the low-complexity Kalman-filtering based

    frequency domain channel estimation approach in the literature,

    but significantly outperforms the latter due to its enhanced capability

    in capturing the time correlation information of doubly

    selective channels through bidirectional processing.

UOW Authors


  •   Guo, Qinghua
  •   Huang, Defeng (David) (external author)

Publication Date


  • 2010

Citation


  • Q. Guo & D. Huang, "GMP‐based channel estimation for single‐carrier transmissions over doubly selective channels," IEEE Signal Processing Letters, vol. 17, (1) pp. 8-11, 2010.

Scopus Eid


  • 2-s2.0-77955031827

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=2004&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/995

Has Global Citation Frequency


Number Of Pages


  • 3

Start Page


  • 8

End Page


  • 11

Volume


  • 17

Issue


  • 1

Place Of Publication


  • United States