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|Title:||Diagonal lattice space-time codes from number fields and asymptotic bounds|
|Source:||Xing, C. (2007-11). Diagonal lattice space-time codes from number fields and asymptotic bounds. IEEE Transactions on Information Theory 53 (11) : 3921-3926. ScholarBank@NUS Repository. https://doi.org/10.1109/TIT.2007.907473|
|Abstract:||In this paper, we reformulate some constructions of real and complex diagonal lattice space-time codes from number fields which have been given explicitly or implicitly by other researchers. These constructions establish a connection between good diagonal lattice space-time codes and number fields with small absolute values of discriminants. We present two tables for diversity products of some lattice space-time codes from these constructions. The maximal rank of diagonal lattice space-time codes with positive diversity product is determined. We also discuss the asymptotic problem of lattice space-time codes. By using an infinite tower of Hilbert class field and a tamely ramified class field tower, we obtain asymptotically good sequences of lattice space-time codes. Some asymptotic upper bounds are given in the paper as well. © 2007 IEEE.|
|Source Title:||IEEE Transactions on Information Theory|
|Appears in Collections:||Staff Publications|
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