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- W2095743061 abstract "A new class of spherical codes is constructed by selecting a finite subset of flat tori that foliate the unit sphere S <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2L-1</sup> sub R <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2L</sup> and constructing a structured codebook on each torus in the finite subset. The codebook on each torus is the image of a lattice restricted to a specific hyperbox in R <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>L</sup> . Group structure and homogeneity, useful for efficient decoding, are inherited from the underlying lattice codebook. Upper and lower bounds on performance are derived and a systematic search algorithm is presented for constructing optimal codebooks. The torus layer spherical codes presented here exhibit good performance when compared to the well known apple-peeling, wrapped and laminated codes." @default.
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- W2095743061 date "2009-06-01" @default.
- W2095743061 modified "2023-10-03" @default.
- W2095743061 title "Spherical codes on torus layers" @default.
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- W2095743061 doi "https://doi.org/10.1109/isit.2009.5205529" @default.
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