A Multiple-Input and Multiple-Output Long-Term Evolution Precoding Based on Fast Diagonal-Weighted Jacket Matrices

作者：Lee, Moon Ho^*; Khan, M. Hashem Ali; Sarker, M. A. Latif; Guo, Ying; Kim, Kyeong Jin

来源：Fiber and Integrated Optics, 2012, 31(2): 111-132.

DOI：10.1080/01468030.2012.663063

• element-wise inverse diagonal weighted Jacket matrices
• block-wise inverse weighted Jacket matrices
• conventional standard for long-term evolution system based on cyclic delay diversity and Jacket matrix
• proposed diagonal weighted Jacket matrices for closed loop multiple-input and multiple-output long-term evolution precoding

In this article, a fast diagonal-weighted Jacket matrix is proposed to have orthogonal architecture. The successive diagonal-weighted Jacket matrix is developed to reduce the computational load while factorizing the large-order diagonal-weighted Jacket matrices into the low-order sparse matrices with fast algorithms. The proposed diagonal-weighted Jacket matrix is then applied to the precoding multiple-input and multiple-output wireless communications because of its diagonal-weighted framework with element-wise inverse characteristics. Based on the properties of the diagonal-weighted Jacket matrix, the proposed diagonal-weighted Jacket matrix can be used as alternative open-loop cyclic delay diversity precoding, which has recently become part of the cellular communications systems. Performance of the diagonal-weighted Jacket matrix-based precoding system is verified for orthogonal space-time block code multiple-input and multiple-output long-term evolution systems.

• 出版日期2012
• 单位中南大学