Performance Evaluation of Antenna Diversity with Iterative Decoding in OFDM-IDMA Systems

被引：0
|
作者：
Tajima, Akane [1 ]
Yoshizawa, Shingo [1 ]
Tanimoto, Hiroshi [1 ]
机构：
[1] Kitami Inst Technol, Grad Sch Engn, Kitami, Hokkaido, Japan
来源：
2015 IEEE INTERNATIONAL CONFERENCE ON DIGITAL SIGNAL PROCESSING (DSP) | 2015年
关键词：
DIVISION MULTIPLE-ACCESS; COMMUNICATION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Simultaneous communication in large number of users is requested to meet the growing demand for machine to machine (M2M) communication. Interleave-division multiple-access (IDMA) that allocates users to specific interleave patterns has been investigated recently. We present performance evaluation of antenna diversity with iterative decoding in OFDM-IDMA systems. The iterative decoding that combines diversity branches and corrects signs of log likelihood ratios (LLRs) in the inside of interference canceller is effective to cope with performance degradation caused by multi path fading. In the simulation results, the iterative decoding has improved about 12 dB in E-b/N-0 for BER=10(-4) compared with the baseline.
引用
收藏
页码：1067 / 1070
页数：4
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