Block noncoherent detection of hexagonal QAM

McKilliam, Robby G., Ryan, Daniel J., Clarkson, I. Vaughan L. and Collings, Iain B. (2010). Block noncoherent detection of hexagonal QAM. In: 2010 Australian Communications Theory Workshop (AusCTW). 11th Australian Communications Theory Workshop, Canberra, A.C.T., Australia, (65-70). 2-5 February 2010. doi:10.1109/AUSCTW.2010.5426763

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Author McKilliam, Robby G.
Ryan, Daniel J.
Clarkson, I. Vaughan L.
Collings, Iain B.
Title of paper Block noncoherent detection of hexagonal QAM
Conference name 11th Australian Communications Theory Workshop
Conference location Canberra, A.C.T., Australia
Conference dates 2-5 February 2010
Proceedings title 2010 Australian Communications Theory Workshop (AusCTW)
Journal name 2010 Australian Communications Theory Workshop
Place of Publication Piscataway, N.J., U.S.A.
Publisher IEEE
Publication Year 2010
Sub-type Fully published paper
DOI 10.1109/AUSCTW.2010.5426763
ISBN 9781424454327
Start page 65
End page 70
Total pages 6
Collection year 2011
Language eng
Abstract/Summary We consider block noncoherent detection of hexagonal quadrature amplitude modulation (QAM). We focus on hexagonal constellations generated from a Voronoi code. We find that these constellations are particularly well suited to noncoherent detection because they avoid most of the identifiability problems that occur with more traditional constellations. We describe a fast, approximate, noncoherent detection algorithm with statistical performance that is almost indistinguishable from an optimal, brute force approach, but with significantly smaller computational requirements. The performance is close to that of coherent detection when the block length is sufficiently large.
Keyword Noncoherent detection
Hexagonal QAM
Voronoi code
Lattice theory
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

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Created: Sun, 26 Sep 2010, 00:09:37 EST