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Conference Paper: Signal detection with time delay estimation for quasi-synchronous MIMO systems on multipath channels

TitleSignal detection with time delay estimation for quasi-synchronous MIMO systems on multipath channels
Authors
Issue Date2005
PublisherIEEE.
Citation
IEEE Global Telecommunications Conference (GLOBECOM '05), St. Louis, MO, 28 November - 2 December 2005 How to Cite?
AbstractIn this paper, signal detection with time delay estimation for quasi-synchronous MIMO systems on multipath channels is considered. The paper first formulates the problem by shifting each user's signals so that previous results on synchronized system for ISI cancellation based on second-order statistics of the received signals can be applied. The first step effectively reduces the quasi-synchronous system on the multipath channels to the quasi-synchronous system on single-path channels. In the second step, an equivalent model is constructed with the delay information embedded in the reduced channel model. A simultaneous time delay estimation and multiuser detection algorithm is then proposed. The proposed technique can easily be implemented in practical situations as perfect synchronization and knowledge of the channel length and the time delays are not required. Simulation results show that the proposed technique can achieve good performance and is not sensitive to overestimation of the maximum channel length and the maximum time delay.
Persistent Identifierhttp://hdl.handle.net/10722/99454

 

DC FieldValueLanguage
dc.contributor.authorMa, Sen_HK
dc.contributor.authorZeng, Yen_HK
dc.contributor.authorNg, TSen_HK
dc.date.accessioned2010-09-25T18:30:56Z-
dc.date.available2010-09-25T18:30:56Z-
dc.date.issued2005en_HK
dc.identifier.citationIEEE Global Telecommunications Conference (GLOBECOM '05), St. Louis, MO, 28 November - 2 December 2005-
dc.identifier.urihttp://hdl.handle.net/10722/99454-
dc.description.abstractIn this paper, signal detection with time delay estimation for quasi-synchronous MIMO systems on multipath channels is considered. The paper first formulates the problem by shifting each user's signals so that previous results on synchronized system for ISI cancellation based on second-order statistics of the received signals can be applied. The first step effectively reduces the quasi-synchronous system on the multipath channels to the quasi-synchronous system on single-path channels. In the second step, an equivalent model is constructed with the delay information embedded in the reduced channel model. A simultaneous time delay estimation and multiuser detection algorithm is then proposed. The proposed technique can easily be implemented in practical situations as perfect synchronization and knowledge of the channel length and the time delays are not required. Simulation results show that the proposed technique can achieve good performance and is not sensitive to overestimation of the maximum channel length and the maximum time delay.-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofIEEE GlobeCom'2005en_HK
dc.titleSignal detection with time delay estimation for quasi-synchronous MIMO systems on multipath channelsen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailMa, S: sdma@eee.hku.hken_HK
dc.identifier.emailNg, TS: tsng@eee.hku.hken_HK
dc.identifier.authorityMa, S=rp00153en_HK
dc.identifier.authorityNg, TS=rp00159en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/GLOCOM.2005.1578078-
dc.identifier.hkuros159131en_HK

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