On Analyzing LDPC Codes over Multiantenna MC-CDMA System

S. Suresh Kumar and M. Rajaram

Mathematical Problems in Engineering, 2014, vol. 2014, 1-6

Abstract:

Multiantenna multicarrier code-division multiple access (MC-CDMA) technique has been attracting much attention for designing future broadband wireless systems. In addition, low-density parity-check (LDPC) code, a promising near-optimal error correction code, is also being widely considered in next generation communication systems. In this paper, we propose a simple method to construct a regular quasicyclic low-density parity-check (QC-LDPC) code to improve the transmission performance over the precoded MC-CDMA system with limited feedback. Simulation results show that the coding gain of the proposed QC-LDPC codes is larger than that of the Reed-Solomon codes, and the performance of the multiantenna MC-CDMA system can be greatly improved by these QC-LDPC codes when the data rate is high.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:652527

DOI: 10.1155/2014/652527

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