--- res: bibo_abstract: - The tracking of the time-varying channel is crucial for MIMO-OFDM wireless communication systems. Aiming at doubly-selective fading MIMO channels, we present a novel pilot pattern and the corresponding adaptive channel tracking algorithm. Compared with the traditional pilot patterns, the new pattern has higher frequency efficiency and is more suitable for large transmit arrays. The computational complexity, frequency efficiency and BER performance of the system assisted by the proposed channel tracking scheme are analyzed. Simulation results demonstrate that the proposed scheme can track the timevarying channel effectively.@eng bibo_authorlist: - foaf_Person: foaf_givenName: Jun foaf_name: Tong, Jun foaf_surname: Tong - foaf_Person: foaf_givenName: Yaohuan foaf_name: Gong, Yaohuan foaf_surname: Gong - foaf_Person: foaf_givenName: Shengxian foaf_name: Sun, Shengxian foaf_surname: Sun bibo_doi: 10.1109/ICCCAS.2004.1346098 bibo_volume: 1 dct_date: 2004^xs_gYear dct_title: An adaptive channel tracking method for MIMO-OFDM systems@ ...