A Simple Product Code for Constant-Amplitude Biorthogonal Multicode Modulation

Hyun-Seo OH
Bub-Joo KANG

IEICE TRANSACTIONS on Communications   Vol.E92-B    No.4    pp.1346-1348
Publication Date: 2009/04/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E92.B.1346
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Transmission Systems and Transmission Equipment for Communications
CABM,  product code,  bit error rate,  redundant bit,  

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In this letter, a simple product code is proposed for constant-amplitude biorthogonal multicode (CABM) modulation. In CABM modulation, vertical redundant bits are used for constant amplitude coding. The proposed product code can be constructed by using additional horizontal redundant bits. The hardware complexity of the encoder and decoder pair is very low. Simulation results show that the bit error rate performance of the system with the proposed coding scheme is improved as compared with conventional CABM demodulation.