Symbol time offset estimation in coherent OFDM systems
(1999) International Conference on Communications- Abstract
- This paper presents a symbol time offset estimator for coherent OFDM systems. This estimator exploits both the redundancy in the cyclic prefix and the pilot symbols used for channel estimation. The estimator is robust against frequency offsets and is suitable for use in dispersive channels. We base the estimator on the ML estimator for the AWGN channel. Simulations of an example system indicate a system performance as close as 0.3 dB to a perfectly synchronized system. Compared to an estimator not using pilots, our estimator's performance could allow a shorter cyclic prefix and thus a more spectrally efficient system
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/1056979
- author
- Landström, Daniel LU ; Wilson, S.K. ; van de Beek, J.J. ; Ödling, Per LU and Börjesson, Per Ola LU
- organization
- publishing date
- 1999
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- host publication
- [Host publication title missing]
- conference name
- International Conference on Communications
- conference location
- Vancouver, Canada
- conference dates
- 1999-06-06 - 1999-06-10
- external identifiers
-
- scopus:54249146222
- DOI
- 10.1109/ICC.1999.767990
- language
- English
- LU publication?
- yes
- id
- b754033b-afb8-4291-b424-9c2b46c5cbb8 (old id 1056979)
- date added to LUP
- 2016-04-04 13:54:44
- date last changed
- 2022-01-30 01:07:20
@inproceedings{b754033b-afb8-4291-b424-9c2b46c5cbb8, abstract = {{This paper presents a symbol time offset estimator for coherent OFDM systems. This estimator exploits both the redundancy in the cyclic prefix and the pilot symbols used for channel estimation. The estimator is robust against frequency offsets and is suitable for use in dispersive channels. We base the estimator on the ML estimator for the AWGN channel. Simulations of an example system indicate a system performance as close as 0.3 dB to a perfectly synchronized system. Compared to an estimator not using pilots, our estimator's performance could allow a shorter cyclic prefix and thus a more spectrally efficient system}}, author = {{Landström, Daniel and Wilson, S.K. and van de Beek, J.J. and Ödling, Per and Börjesson, Per Ola}}, booktitle = {{[Host publication title missing]}}, language = {{eng}}, title = {{Symbol time offset estimation in coherent OFDM systems}}, url = {{https://lup.lub.lu.se/search/files/6234783/1057027.pdf}}, doi = {{10.1109/ICC.1999.767990}}, year = {{1999}}, }