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Designing optimum mother constellation and codebooks for SCMA

Publikation: Bidrag til bog/antologi/rapport/proceeding › Konferencebidrag i proceedings › Forskning › peer review

DOI

Sparse code multiple access (SCMA) is a nonorthogonal codebook based multiple access scheme, proposed to cope with the heterogeneous and challenging performance requirements for mission critical communication and massive machine-type communication in the fifth generation wireless system. In SCMA the codebooks are the main sources of performance improvement, which are generated based on the mother constellation. In this paper, a systematic sub-optimal approach of designing the mother constellation is proposed and a unified metric is derived to obtain the optimum codebooks using a specific mother constellation. It is demonstrated that the new mother constellation outperforms the existing mother constellations in terms of bit error rate (BER) performance. Moreover, it is shown that the optimum codebook obtained based on the unified metric can guarantee the optimum BER performance of the system.

OriginalsprogEngelsk
Titel2017 IEEE International Conference on Communications, ICC 2017 : ICC
RedaktørerDavid Gesbert, Merouane Debbah, Abdelhamid Mellouk
Antal sider6
ForlagIEEE
Udgivelsesår2017
Artikelnummer7996539
ISBN (Elektronisk)978-1-4673-8999-0
DOI
StatusUdgivet - 2017
BegivenhedIEEE International Conference on Communications 2017 - Palais des Congrès - Porte Maillot, Paris, Frankrig
Varighed: 21 maj 2017 → 25 maj 2017
http://icc2017.ieee-icc.org/

Konference

KonferenceIEEE International Conference on Communications 2017
LokationPalais des Congrès - Porte Maillot
LandFrankrig
ByParis
Periode21/05/2017 → 25/05/2017
Internetadresse
SerietitelIEEE International Conference on Communications
ISSN1938-1883

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