A Double-Layer VLC System With Low-Complexity ML Detection and Binary Constellation Designs

作者：Zhu Huan Yu^*; Zhu Yi Jun; Zhang Jian Kang; Zhang Yan Yu

来源：IEEE Communications Letters, 2015, 19(4): 561-564.

DOI：10.1109/LCOMM.2015.2406696

• Binary constellation design
• imaging communication
• maximum likelihood detection
• multiple-input multiple-output (MIMO)
• visible light communication

We consider a double-layer visible light communication system where transmitted data is split into two layers with different priorities and variant transmission rates. High-priority data is assigned to the upper layer with low transmission rate, while low-priority data is assigned to the lower layer with higher transmission rate. For this scenario, we develop a low-complexity maximum likelihood detection algorithm. In addition, several binary constellation designs corresponding to different priority orders are presented. Computer simulations show that maximum likelihood detection detection significantly improves the error-rate performance, compared to sum detection, without compromising the computational complexity of the receiver.

• 出版日期2015-4
• 单位中国科学技术信息研究所