Training-embedded, single-symbol ML-decodable, distributed STBCs for relay networks

Harshan, J. ; Rajan, B. S. ; Hjorungnes, A. (2010) Training-embedded, single-symbol ML-decodable, distributed STBCs for relay networks In: 2010 IEEE International Conference on Communications, 23-27 May 2010, Cape Town, South Africa.

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Official URL: http://ieeexplore.ieee.org/document/5502094/

Related URL: http://dx.doi.org/10.1109/ICC.2010.5502094

Abstract

Recently, a special class of complex designs called Training-Embedded Complex Orthogonal Designs (TE-CODs) has been introduced to construct single-symbol Maximum Likelihood decodable (SSD) distributed space-time block codes (DSTBCs) for two-hop wireless relay networks using the amplify and forward protocol. However, to implement DSTBCs from square TE-CODs, the overhead due to the transmission of training symbols becomes prohibitively large as the number of relays increase. In this paper, we propose TE-Coordinate Interleaved Orthogonal Designs (TE-CIODs) to construct SSD DSTBCs. Exploiting the block diagonal structure of TE-CIODs, we show that the overhead due to the transmission of training symbols to implement DSTBCs from TE-CIODs is smaller than that for TE-CODs. We also show that DSTBCs from TE-CIODs offer higher rate than those from TE-CODs for identical number of relays while maintaining the SSD and full-diversity properties.

Item Type:Conference or Workshop Item (Paper)
Source:Copyright of this article belongs to Institute of Electrical and Electronics Engineers.
ID Code:110745
Deposited On:08 Dec 2017 10:23
Last Modified:08 Dec 2017 10:23

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