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A novel approximation of NDA ML estimation for UWB channels
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Chen, Yunfei and Beaulieu, Norman C. (2010) A novel approximation of NDA ML estimation for UWB channels. IEEE Transactions on Communications, Vol.58 (No.10). pp. 2795-2798. doi:10.1109/TCOMM.2010.082710.080097 ISSN 0090-6778.
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Official URL: http://dx.doi.org/10.1109/TCOMM.2010.082710.080097
Abstract
Novel non-data-aided near-maximum-likelihood estimators for the delays and the attenuations in an ultra-wide bandwidth channel are proposed by using an approximation to the maximum likelihood equation. Numerical results show that these new estimators outperform previous approximate non-data-aided maximum likelihood channel estimators reported in the literature. Moreover, in some cases, the performances of the new non-data-aided estimators approach those of the data-aided estimators, enabling a reduction in the overhead expense of pilot symbols.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Journal or Publication Title: | IEEE Transactions on Communications | ||||
| Publisher: | IEEE | ||||
| ISSN: | 0090-6778 | ||||
| Official Date: | October 2010 | ||||
| Dates: |
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| Volume: | Vol.58 | ||||
| Number: | No.10 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | pp. 2795-2798 | ||||
| DOI: | 10.1109/TCOMM.2010.082710.080097 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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