Please use this identifier to cite or link to this item: https://doi.org/10.1109/TCOMM.2010.02.080431
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dc.titleOptimal training sequences for channel estimation in bi-directional relay networks with multiple antennas
dc.contributor.authorPham, T.-H.
dc.contributor.authorLiang, Y.-C.
dc.contributor.authorNallanathan, A.
dc.contributor.authorGarg, H.K.
dc.date.accessioned2014-10-07T04:34:09Z
dc.date.available2014-10-07T04:34:09Z
dc.date.issued2010-02
dc.identifier.citationPham, T.-H., Liang, Y.-C., Nallanathan, A., Garg, H.K. (2010-02). Optimal training sequences for channel estimation in bi-directional relay networks with multiple antennas. IEEE Transactions on Communications 58 (2) : 474-479. ScholarBank@NUS Repository. https://doi.org/10.1109/TCOMM.2010.02.080431
dc.identifier.issn00906778
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/82842
dc.description.abstractIn this letter, we consider a bi-directional relay network in which two users, U1 and U2, exchange their information via a relay station, RS. Multiple antennas are deployed at both users and at RS. Single carrier cyclic prefix (SCCP) is used to combat intersymbol interference (ISI) in frequency-selective fading channels. The transmission process is divided into two time slots. At the first time slot, both users send their information to RS concurrently. RS then amplifies and broadcasts its received signals at the second time slot. We propose an algorithm to estimate the channel information at end users based on the leastsquare (LS) principle. To further minimize the mean square error (MSE) of the estimate, a method to design the optimal training sequences is also proposed. Simulation results show that the performance achieved by our optimal design is close to that with perfect channel information. © 2006 IEEE.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/TCOMM.2010.02.080431
dc.sourceScopus
dc.subjectBi-directional relay networks
dc.subjectChannel estimation
dc.subjectTraining signal design
dc.subjectZadoff-Chu sequences
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1109/TCOMM.2010.02.080431
dc.description.sourcetitleIEEE Transactions on Communications
dc.description.volume58
dc.description.issue2
dc.description.page474-479
dc.description.codenIECMB
dc.identifier.isiut000276330800018
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