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Analysis and Design of Punctured Rate-1/2 Turbo Codes Exhibiting Low Error Floors

Chatzigeorgiou, Ioannis and Rodrigues, Miguel R. D. and Wassell, Ian J. and Carrasco, Rolando A. (2009) Analysis and Design of Punctured Rate-1/2 Turbo Codes Exhibiting Low Error Floors. IEEE Journal on Selected Areas in Communications, 27 (6). pp. 944-953. ISSN 0733-8716

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The objective of this paper is two-fold. Initially, we present an analytic technique to rapidly evaluate an approximation to the union bound on the bit error probability of turbo codes. This technique exploits the most significant terms of the union bound, which can be calculated straightforwardly by considering the properties of the constituent convolutional encoders. Subsequently, we use the bound approximation to demonstrate that specific punctured rate-1/2 turbo codes can achieve a lower error floor than that of their rate-1/3 parent codes. In particular, we propose pseudo-random puncturing as a means of improving the bandwidth efficiency of a turbo code and simultaneously lowering its error floor.

Item Type: Journal Article
Journal or Publication Title: IEEE Journal on Selected Areas in Communications
Uncontrolled Keywords: Turbo codes ; Puncturing ; Transfer function ; Performance evaluation ; Error floor ; CONVOLUTIONAL-CODES ; SEQUENCES ; CHANNELS
Subjects: ?? qa75 ??
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 49522
Deposited By: ep_importer_pure
Deposited On: 23 Aug 2011 16:14
Refereed?: Yes
Published?: Published
Last Modified: 11 Jul 2018 03:24
Identification Number:

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