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- W2543460896 abstract "Geometric methods for construction of codes in the Grassmann manifolds are presented. The methods follow the geometric approach to space-time coding for the non-coherent MIMO channel where the code design is interpreted as a packing problem on Grassmann manifolds. The differential structure of the Grassmann manifold provides parametrization with the tangent space at the identity element. Grassmann codes for the non-coherent channel are constructed by mapping suitable subsets of lattices from the tangent space to the Grassmann manifold via the exponential map. As examples, constructions from the rotated Gosset, Barnes-Wall and Leech lattice are presented. Due to the specifics of the mapping, some of the structure is preserved after the mapping to the manifold. The method is further improved by modifying the mapping from the tangent space to the manifold. Ideas for other constructions of Grassmann codes are also presented and discussed." @default.
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- W2543460896 date "2008-09-01" @default.
- W2543460896 modified "2023-09-23" @default.
- W2543460896 title "Some geometric methods for construction of space-time codes in Grassmann manifolds" @default.
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- W2543460896 doi "https://doi.org/10.1109/allerton.2008.4797543" @default.
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