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Recent Patents on Signal Processing
ISSN (Print): 2210-6863
ISSN (Online): 1877-6124
Epub Full Text Article
DOI: 10.2174/22106863113039990001      Price:  $140









Cyclic Interleaving for Multiple Vertical Parities in Distributed Turbo Product Codes

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Author(s): Esam A. Obiedat and Lei Cao
Abstract:
In this paper, we design distributed Turbo Product Codes (TPC) for cooperative communications. Specifically, to improve performance by using multiple relays, we propose Cyclic Interleaver (CI), a novel method for TPC to obtain independent Multiple Vertical Parities (MVP) for different relays. With this method, codewords in different relays are all in the same coding space of the product codes and hence can be jointly decoded. At the receiver, we further modify the existing turbo product decoder to iteratively decode the source information from data received from both the source node and the relay nodes. The system performance is demonstrated via simulations.
Keywords:
Cyclic interleaving, distributed turbo product codes, cooperative coding, multiple relays