Publication
A Pilot-Data Based Channel Estimation Method for OFDM Relay-Assisted Systems
| dc.contributor.author | Neves, D. | |
| dc.contributor.author | Ribeiro, C. | |
| dc.contributor.author | Silva, A. | |
| dc.contributor.author | Gameiro, A. | |
| dc.date.accessioned | 2025-11-03T11:33:41Z | |
| dc.date.available | 2025-11-03T11:33:41Z | |
| dc.date.issued | 2011-09 | |
| dc.description.abstract | In this work we propose and evaluate a pilot and data-based channel estimation scheme for SFBC OFDM-based cooperative scenario. We consider that both the base station and the relay node are equipped with double antenna arrays whereas the user terminal is a single antenna device. The relay protocol considered is equalise-andforward. In this paper we propose a channel estimation method that iteratively uses the information carried by the pilots and data to improve the estimate of the equivalent channels for the path Base Station – Relay Node – User Terminal. The MMSE criterion is used in the design of the estimator for both the pilot-based and data-aided iterations. The proposed method is evaluated in terms of the channel estimation MSE and the results show that the proposed scheme allows, with a single data iteration, a reduction of the number of pilots by a factor of approximately two when compared with non-data-aided schemes. | eng |
| dc.description.sponsorship | The authors wish to acknowledge the support of the European project CODIV - FP7/ICT/2007/215477, the Portuguese projects CROWN - PTDC/EEA-TEL/115828/2009 and CADWIN - PTDC/EEA-TEL/099241/2008, and the Portuguese Foundation for Science and Technology (FCT) grant for the first author. | |
| dc.identifier.citation | D. Neves, C. Ribeiro, A. Silva and A. Gameiro, "A Pilot-Data Based Channel Estimation Method for OFDM Relay-Assisted Systems," 2011 IEEE Vehicular Technology Conference (VTC Fall), San Francisco, CA, USA, 2011, pp. 1-5, doi: 10.1109/VETECF.2011.6093154. | |
| dc.identifier.doi | 10.1109/vetecf.2011.6093154 | |
| dc.identifier.issn | 1090-3038 | |
| dc.identifier.uri | http://hdl.handle.net/10400.8/14459 | |
| dc.language.iso | eng | |
| dc.peerreviewed | yes | |
| dc.publisher | IEEE | |
| dc.relation.hasversion | https://ieeexplore.ieee.org/document/6093154 | |
| dc.relation.ispartof | 2011 IEEE Vehicular Technology Conference (VTC Fall) | |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
| dc.subject | Pilot-data based estimator | |
| dc.subject | OFDM systems | |
| dc.subject | cooperative schemes and equalise-and-forward protocol. | |
| dc.title | A Pilot-Data Based Channel Estimation Method for OFDM Relay-Assisted Systems | eng |
| dc.type | conference paper | |
| dspace.entity.type | Publication | |
| oaire.citation.conferenceDate | 2011 | |
| oaire.citation.conferencePlace | San Francisco | |
| oaire.citation.title | 2011 IEEE Vehicular Technology Conference (VTC Fall) | |
| oaire.version | http://purl.org/coar/version/c_970fb48d4fbd8a85 |