On Analyzing LDPC Codes over Multiantenna MC-CDMA System | Zendy

S. Suresh Kumar | Zendy; M. Rajaram | Zendy

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On Analyzing LDPC Codes over Multiantenna MC-CDMA System

Author(s) -

S. Suresh Kumar,

M. Rajaram

Publication year - 2014

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2014/652527

Subject(s) - low density parity check code , code division multiple access , computer science , forward error correction , coding (social sciences) , turbo code , code (set theory) , algorithm , electronic engineering , decoding methods , mathematics , telecommunications , engineering , statistics , set (abstract data type) , programming language

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

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