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EXIT-chart aided near-capacity quantum turbo code design

Babar, Zunaira, Ng, Soon Xin and Hanzo, Lajos (2014) EXIT-chart aided near-capacity quantum turbo code design IEEE Transactions on Vehicular Technology, pp. 1-11.

Record type: Article


High detection complexity is the main impediment in future Gigabit-wireless systems. However, a quantum-based detector is capable of simultaneously detecting hundreds of user signals by virtue of its inherent parallel nature. This in turn requires near-capacity quantum error correction codes for protecting the constituent qubits of the quantum detector against the undesirable environmental decoherence. In this quest, we appropriately adapt the conventional non-binary EXtrinsic Information Transfer (EXIT) charts for quantum turbo codes by exploiting the intrinsic quantum-to-classical isomorphism. The EXIT chart analysis not only allows us to dispense with the time-consuming Monte-Carlo simulations, but also facilitates the design of near-capacity codes without resorting to the analysis of their distance spectra. We have demonstrated that our EXIT chart predictions are in line with the Monte-Carlo simulations results. We have also optimized the entanglement-assisted QTC using EXIT charts, which outperforms the existing distance spectra based QTCs. More explicitly, the performance of our optimized QTC is as close as 0.3 dB to the corresponding hashing bound.

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Published date: 6 June 2014
Organisations: Southampton Wireless Group


Local EPrints ID: 352606
ISSN: 0018-9545
PURE UUID: b32ec2f7-d884-4097-9110-34095f948489
ORCID for Zunaira Babar: ORCID iD
ORCID for Soon Xin Ng: ORCID iD
ORCID for Lajos Hanzo: ORCID iD

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Date deposited: 15 May 2013 17:01
Last modified: 20 Oct 2017 08:58

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Author: Zunaira Babar ORCID iD
Author: Soon Xin Ng ORCID iD
Author: Lajos Hanzo ORCID iD

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