Advanced

Channel estimation with superimposed pilot sequence

Hoeher, Peter and Tufvesson, Fredrik LU (1999) Global Telecommunications Conference. GLOBECOM '99 In Proc. IEEE GLOBECOM '99, Rio de Janeiro, Brazil, December 1999 4. p.2162-2166
Abstract
For the purpose of various synchronization tasks (including carrier phase, time, frequency, and frame synchronization), one may add a known pilot sequence, typically a pseudo-noise sequence, to the unknown data sequence. This approach is known as a spread-spectrum pilot technique or as a superimposed pilot sequence technique. In this paper, we apply the superimposed pilot sequence technique for the purpose of channel estimation (CE). We propose and verify a truly coherent receiver based on the Viterbi algorithm, which is optimal in the sense of per-survivor processing. We also suggest a generic low-cost receiver structure based on reduced-state sequence estimation. Among the distinct advantages compared to conventional... (More)
For the purpose of various synchronization tasks (including carrier phase, time, frequency, and frame synchronization), one may add a known pilot sequence, typically a pseudo-noise sequence, to the unknown data sequence. This approach is known as a spread-spectrum pilot technique or as a superimposed pilot sequence technique. In this paper, we apply the superimposed pilot sequence technique for the purpose of channel estimation (CE). We propose and verify a truly coherent receiver based on the Viterbi algorithm, which is optimal in the sense of per-survivor processing. We also suggest a generic low-cost receiver structure based on reduced-state sequence estimation. Among the distinct advantages compared to conventional pilot-symbol-assisted CE are (i) a lack of bandwidth expansion and (ii) a significantly improved performance in fast fading environments. The proposed Viterbi receiver may also be used as an alternative receiver for pilot-symbol-assisted CE (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
Rayleigh channels, estimation theory, pseudonoise codes, receivers, spread spectrum communication, synchronisation
in
Proc. IEEE GLOBECOM '99, Rio de Janeiro, Brazil, December 1999
volume
4
pages
2162 - 2166
publisher
IEEE--Institute of Electrical and Electronics Engineers Inc.
conference name
Global Telecommunications Conference. GLOBECOM '99
external identifiers
  • Scopus:0033294506
ISBN
0-7803-5796-5
DOI
10.1109/GLOCOM.1999.827587
language
English
LU publication?
yes
id
c9fdb11d-547b-4199-9825-49151ce1e479 (old id 1032989)
date added to LUP
2008-02-20 10:55:13
date last changed
2016-11-06 04:32:31
@misc{c9fdb11d-547b-4199-9825-49151ce1e479,
  abstract     = {For the purpose of various synchronization tasks (including carrier phase, time, frequency, and frame synchronization), one may add a known pilot sequence, typically a pseudo-noise sequence, to the unknown data sequence. This approach is known as a spread-spectrum pilot technique or as a superimposed pilot sequence technique. In this paper, we apply the superimposed pilot sequence technique for the purpose of channel estimation (CE). We propose and verify a truly coherent receiver based on the Viterbi algorithm, which is optimal in the sense of per-survivor processing. We also suggest a generic low-cost receiver structure based on reduced-state sequence estimation. Among the distinct advantages compared to conventional pilot-symbol-assisted CE are (i) a lack of bandwidth expansion and (ii) a significantly improved performance in fast fading environments. The proposed Viterbi receiver may also be used as an alternative receiver for pilot-symbol-assisted CE},
  author       = {Hoeher, Peter and Tufvesson, Fredrik},
  isbn         = {0-7803-5796-5},
  keyword      = {Rayleigh channels,estimation theory,pseudonoise codes,receivers,spread spectrum communication,synchronisation},
  language     = {eng},
  pages        = {2162--2166},
  publisher    = {ARRAY(0xa749108)},
  series       = {Proc. IEEE GLOBECOM '99, Rio de Janeiro, Brazil, December 1999},
  title        = {Channel estimation with superimposed pilot sequence},
  url          = {http://dx.doi.org/10.1109/GLOCOM.1999.827587},
  volume       = {4},
  year         = {1999},
}