Reduced-complexity partial-interference-cancellation group decoder for STBCs

Rajashekar, Rakshith and Hari, KVS and Hanzo, L (2013) Reduced-complexity partial-interference-cancellation group decoder for STBCs. In: IEEE Signal Processing Letters, 20 (10). pp. 929-932.

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Abstract

In this letter, we propose a reduced-complexity implementation of partial interference cancellation group decoder with successive interference cancellation (PIC-GD-SIC) by employing the theory of displacement structures. The proposed algorithm exploits the block-Toeplitz structure of the effective matrix and chooses an ordering of the groups such that the zero-forcing matrices associated with the various groups are obtained through Schur recursions without any approximations. We show using an example that the proposed implementation offers a significantly reduced computational complexity compared to the direct approach without any loss in performance.

Item Type:	Journal Article
Publication:	IEEE Signal Processing Letters
Publisher:	IEEE-Institute of Electrical and Electronics Engineers, Inc
Additional Information:	Copyright of this article belongs to IEEE-Institute of Electrical and Electronics Engineers, Inc.
Keywords:	Displacement Structure; Diversity and Decoding Complexity; Partial Interference Cancellation Group Decoding; STBC
Department/Centre:	Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited:	19 Sep 2013 16:47
Last Modified:	19 Sep 2013 16:47
URI:	http://eprints.iisc.ac.in/id/eprint/47200

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