Shift-orthogonal space-time block codes

Authors:
Tian Peng Ren;Yong Liang Guan;Erry Gunawan;Er Yang Zhang
Affiliations:
College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China;School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore;School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore;College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China
Venue:
IEEE Transactions on Communications
Year:
2010

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Abstract

In this paper, we present a new class of spacetime block code, called shift-orthogonal space-time block codes (SOSTBC), which can maintain orthogonality (hence symbolwise linear decoding) in asynchronous wireless relay networks, under both amplify-and-forward (AF) and decode-and-forward (DF) relaying schemes. The definitions, systematic constructions and properties of SOSTBC are presented. We also present some simulation results to illustrate its effectiveness in achieving full asynchronous cooperative diversity.