Quaternion orthogonal designs from complex companion designs

RIS ID

23044

Publication Details

Adams, S. S., Seberry, J. R., Karst, N., Pollack, J. & Wysocki, T. A. (2008). Quaternion orthogonal designs from complex companion designs. Linear Algebra and Its Applications, 428 (4), 1056-1071.

Abstract

The success of applying generalized complex orthogonal designs as space–time block codes recently motivated the definition of quaternion orthogonal designs as potential building blocks for space–time-polarization block codes. This paper offers techniques for constructing quaternion orthogonal designs via combinations of specially chosen complex orthogonal designs. One technique is used to build quaternion orthogonal designs on complex variables for any even number of columns. A second related technique is applied to maximum rate complex orthogonal designs to generate an infinite family of quaternion orthogonal designs on complex variables such that the resulting designs have no zero entries. This second technique is also used to generate an infinite family of quaternion orthogonal designs defined over quaternion variables that display a regular redundancy. The proposed constructions are theoretically important because they provide the first known direct techniques for building infinite families of orthogonal designs over quaternion variables for any number of columns.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.laa.2007.09.013