Space-Time-Frequency (STF) MIMO Communication Systems With Blind Receiver Based on a Generalized PARATUCK2 Model

被引:43
作者
de Almeida, Andre L. F. [1 ]
Favier, Gerard [2 ]
Ximenes, Leandro R. [2 ]
机构
[1] Univ Fed Ceara, Wireless Telecom Res Grp, Dept Teleinformat Engn, BR-60455760 Fortaleza, Ceara, Brazil
[2] Univ Nice Sophia Antipolis UNS, CNRS, Lab I3S, F-06903 Sophia Antipolis, France
关键词
Blind receiver; MIMO systems; PARATUCK2; space-time-frequency processing; tensor models; HIGHER-ORDER TENSOR; DECOMPOSITIONS; UNIQUENESS; DIVERSITY; OFDM; CANDECOMP/PARAFAC; ARRAYS; TERMS; CODES; RANK;
D O I
10.1109/TSP.2013.2238534
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, we first propose a generalized fourth-order PARATUCK2 tensor model for multiple-input multiple-output (MIMO) communication systems with space-time-frequency (STF) spreading-multiplexing. The core of the proposed PARATUCK2 model is composed of two third-order interaction tensors that define a joint time and frequency allocation of the data streams to the transmit antennas, thus allowing to adjust the multiplexing degree and spreading redundancy in three domains: space (transmit antennas), time (blocks) and frequency (subcarriers). Then, we investigate the identifiability of the PARATUCK2-STF MIMO system by deriving sufficient conditions which are translated into design recommendations for the STF allocation structure. In particular, essential uniqueness is discussed by interpreting the generalized fourth-order PARATUCK2 model as an equivalent third-order constrained factor (CONFAC) model with two fixed constraint matrices and one variable constraint matrix that depends on the stream-to-antenna allocation structure. We also present a blind receiver using the Levenberg-Marquardt (LM) algorithm based on the generalized fourth-order PARATUCK2 model. Numerical results are provided for a bit-error-rate performance evaluation and a comparison with some competing algorithms.
引用
收藏
页码:1895 / 1909
页数:15
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