@article{SisLab1709,
          volume = {3},
          number = {6},
          author = {Xuan Thang Vu and Anh Vu Trinh and Tony QS Quek},
           title = {Successive pilot contamination elimination in multiantenna multicell networks},
       publisher = {IEEE},
         journal = {IEEE Wireless Communications Letters},
           pages = {617--620},
            year = {2014},
             url = {https://eprints.uet.vnu.edu.vn/eprints/id/eprint/1709/},
        abstract = {This paper addresses the problem of channel estimation in time-division duplex (TDD) multicell cellular systems, where the performance of such systems is usually bounded by a bottleneck due to pilot contamination. We propose two channel estimation schemes that completely remove pilot contamination. The exact closed-form expression for average mean square error (MSE) of the proposed estimators is derived. More importantly, our proposed estimators do not need to know the second-order statistics of either desired user channels or interfering user channels. Finally, simulated results confirm gains over existing channel estimation schemes.}
}